mbed library sources for small microcontrollers such as STM32F050F6P6 (with 4 kB RAM)
Dependents: STM32F031_blink_LED_1
Fork of mbed-src by
Revision 469:fc4922e0c183, committed 2015-02-09
- Comitter:
- mbed_official
- Date:
- Mon Feb 09 09:30:07 2015 +0000
- Parent:
- 468:3f6bf90246bd
- Child:
- 470:07f8455214b5
- Commit message:
- Synchronized with git revision 06e2b3c8802cb4f78e9958ba9923755bd458e8b7
Full URL: https://github.com/mbedmicro/mbed/commit/06e2b3c8802cb4f78e9958ba9923755bd458e8b7/
Changed in this revision
--- a/targets/hal/TARGET_STM/TARGET_DISCO_F051R8/PeripheralNames.h Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,79 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#ifndef MBED_PERIPHERALNAMES_H -#define MBED_PERIPHERALNAMES_H - -#include "cmsis.h" - -#ifdef __cplusplus -extern "C" { -#endif - -typedef enum { - ADC_1 = (int)ADC1_BASE, - ADC_2 = (int)ADC_BASE -} ADCName; - -typedef enum { - DAC_1 = (int)DAC_BASE -} DACName; - -typedef enum { - UART_1 = (int)USART1_BASE, - UART_2 = (int)USART2_BASE -} UARTName; - -#define STDIO_UART_TX PA_2 -#define STDIO_UART_RX PA_3 -#define STDIO_UART UART_2 - -typedef enum { - SPI_1 = (int)SPI1_BASE, - SPI_2 = (int)SPI2_BASE -} SPIName; - -typedef enum { - I2C_1 = (int)I2C1_BASE, - I2C_2 = (int)I2C2_BASE -} I2CName; - -typedef enum { - PWM_3 = (int)TIM3_BASE, - PWM_14 = (int)TIM14_BASE, - PWM_15 = (int)TIM15_BASE, - PWM_16 = (int)TIM16_BASE, - PWM_17 = (int)TIM17_BASE -} PWMName; - -#ifdef __cplusplus -} -#endif - -#endif
--- a/targets/hal/TARGET_STM/TARGET_DISCO_F051R8/PeripheralPins.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,151 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ - -#include "PeripheralPins.h" - -// ===== -// Note: Commented lines are alternative possibilities which are not used per default. -// If you change them, you will have also to modify the corresponding xxx_api.c file -// for pwmout, analogin, analogout, ... -// ===== - -//*** ADC *** - -const PinMap PinMap_ADC[] = { - {PA_0, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN0 - {PA_1, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN1 - {PA_2, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN2 - {PA_3, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN3 - {PA_4, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN4 - {PA_5, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN5 - {PA_6, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN6 - {PA_7, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN7 - {PB_0, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN8 - {PB_1, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN9 - {PC_0, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN10 - {PC_1, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN11 - {PC_2, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN12 - {PC_3, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN13 - {PC_4, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN14 - {PC_5, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN15 - {NC, NC, 0} -}; - -//*** I2C *** - -const PinMap PinMap_I2C_SDA[] = { - {PB_7, I2C_1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C1)}, - {PB_9, I2C_1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C1)}, - {PB_11, I2C_2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C2)}, - {NC, NC, 0} -}; - -const PinMap PinMap_I2C_SCL[] = { - {PB_6, I2C_1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C1)}, - {PB_8, I2C_1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C1)}, - {PB_10, I2C_2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C2)}, - {NC, NC, 0} -}; - -//*** PWM *** - -// TIM1 cannot be used because already used by the us_ticker -const PinMap PinMap_PWM[] = { - {PA_4, PWM_14, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF4_TIM14)}, // TIM14_CH1 - {PA_6, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF1_TIM3)}, // TIM3_CH1 -// {PA_6, PWM_16, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF5_TIM16)}, // TIM16_CH1 - {PA_7, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF1_TIM3)}, // TIM3_CH2 -// {PA_7, PWM_14, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF4_TIM14)}, // TIM14_CH1 -// {PA_7, PWM_17, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF5_TIM17)}, // TIM17_CH1 - {PB_0, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF1_TIM3)}, // TIM3_CH3 - {PB_1, PWM_14, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF0_TIM14)}, // TIM14_CH1 -// {PB_1, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF1_TIM3)}, // TIM3_CH4 - {PB_4, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF1_TIM3)}, // TIM3_CH1 - {PB_5, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF1_TIM3)}, // TIM3_CH2 - {PB_6, PWM_16, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF2_TIM16)}, // TIM16_CH1N - {PB_7, PWM_17, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF2_TIM17)}, // TIM17_CH1N - {PB_8, PWM_16, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF2_TIM16)}, // TIM16_CH1 - {PB_9, PWM_17, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF2_TIM17)}, // TIM17_CH1 - {PB_14, PWM_15, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF1_TIM15)}, // TIM15_CH1 - {PB_15, PWM_15, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF1_TIM15)}, // TIM15_CH2 -// {PB_15, PWM_15, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF3_TIM15)}, // TIM15_CH1N - {PC_6, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF1_TIM3)}, // TIM3_CH1 - {PC_7, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF1_TIM3)}, // TIM3_CH2 - {PC_8, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF1_TIM3)}, // TIM3_CH3 - {PC_9, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF1_TIM3)}, // TIM3_CH4 - {NC, NC, 0} -}; - -//*** SERIAL *** - -const PinMap PinMap_UART_TX[] = { - {PA_2, UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART2)}, - {PA_9, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART1)}, - {PB_6, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_USART1)}, - {NC, NC, 0} -}; - -const PinMap PinMap_UART_RX[] = { - {PA_3, UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART2)}, - {PA_10, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART1)}, - {PA_15, UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART2)}, - {PB_7, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_USART1)}, - {NC, NC, 0} -}; - -//*** SPI *** - -const PinMap PinMap_SPI_MOSI[] = { - {PA_7, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF0_SPI1)}, - {PB_5, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF0_SPI1)}, - {PB_15, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF0_SPI2)}, - {NC, NC, 0} -}; - -const PinMap PinMap_SPI_MISO[] = { - {PA_6, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF0_SPI1)}, - {PB_4, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF0_SPI1)}, - {PB_14, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF0_SPI2)}, - {NC, NC, 0} -}; - -const PinMap PinMap_SPI_SCLK[] = { - {PA_5, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF0_SPI1)}, - {PB_3, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF0_SPI1)}, - {PB_13, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLDOWN, GPIO_AF0_SPI2)}, - {NC, NC, 0} -}; - -const PinMap PinMap_SPI_SSEL[] = { - {PA_4, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF0_SPI1)}, - {PA_15, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF0_SPI1)}, - {PB_12, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF0_SPI2)}, - {NC, NC, 0} -};
--- a/targets/hal/TARGET_STM/TARGET_DISCO_F051R8/PeripheralPins.h Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,62 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ - -#ifndef MBED_PERIPHERALPINS_H -#define MBED_PERIPHERALPINS_H - -#include "pinmap.h" -#include "PeripheralNames.h" - -//*** ADC *** - -extern const PinMap PinMap_ADC[]; - -//*** I2C *** - -extern const PinMap PinMap_I2C_SDA[]; -extern const PinMap PinMap_I2C_SCL[]; - -//*** PWM *** - -extern const PinMap PinMap_PWM[]; - -//*** SERIAL *** - -extern const PinMap PinMap_UART_TX[]; -extern const PinMap PinMap_UART_RX[]; - -//*** SPI *** - -extern const PinMap PinMap_SPI_MOSI[]; -extern const PinMap PinMap_SPI_MISO[]; -extern const PinMap PinMap_SPI_SCLK[]; -extern const PinMap PinMap_SPI_SSEL[]; - -#endif
--- a/targets/hal/TARGET_STM/TARGET_DISCO_F051R8/PinNames.h Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,241 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#ifndef MBED_PINNAMES_H -#define MBED_PINNAMES_H - -#include "cmsis.h" - -#ifdef __cplusplus -extern "C" { -#endif - -// See stm32f0xx_hal_gpio.h and stm32f0xx_hal_gpio_ex.h for values of MODE, PUPD and AFNUM -#define STM_PIN_DATA(MODE, PUPD, AFNUM) ((int)(((AFNUM) << 7) | ((PUPD) << 4) | ((MODE) << 0))) -#define STM_PIN_MODE(X) (((X) >> 0) & 0x0F) -#define STM_PIN_PUPD(X) (((X) >> 4) & 0x07) -#define STM_PIN_AFNUM(X) (((X) >> 7) & 0x0F) -#define STM_MODE_INPUT (0) -#define STM_MODE_OUTPUT_PP (1) -#define STM_MODE_OUTPUT_OD (2) -#define STM_MODE_AF_PP (3) -#define STM_MODE_AF_OD (4) -#define STM_MODE_ANALOG (5) -#define STM_MODE_IT_RISING (6) -#define STM_MODE_IT_FALLING (7) -#define STM_MODE_IT_RISING_FALLING (8) -#define STM_MODE_EVT_RISING (9) -#define STM_MODE_EVT_FALLING (10) -#define STM_MODE_EVT_RISING_FALLING (11) -#define STM_MODE_IT_EVT_RESET (12) - -// High nibble = port number (0=A, 1=B, 2=C, 3=D, 4=E, 5=F, 6=G, 7=H) -// Low nibble = pin number -#define STM_PORT(X) (((uint32_t)(X) >> 4) & 0xF) -#define STM_PIN(X) ((uint32_t)(X) & 0xF) - -typedef enum { - PIN_INPUT, - PIN_OUTPUT -} PinDirection; - -typedef enum { - PA_0 = 0x00, - PA_1 = 0x01, - PA_2 = 0x02, - PA_3 = 0x03, - PA_4 = 0x04, - PA_5 = 0x05, - PA_6 = 0x06, - PA_7 = 0x07, - PA_8 = 0x08, - PA_9 = 0x09, - PA_10 = 0x0A, - PA_11 = 0x0B, - PA_12 = 0x0C, - PA_13 = 0x0D, - PA_14 = 0x0E, - PA_15 = 0x0F, - - PB_0 = 0x10, - PB_1 = 0x11, - PB_2 = 0x12, - PB_3 = 0x13, - PB_4 = 0x14, - PB_5 = 0x15, - PB_6 = 0x16, - PB_7 = 0x17, - PB_8 = 0x18, - PB_9 = 0x19, - PB_10 = 0x1A, - PB_11 = 0x1B, - PB_12 = 0x1C, - PB_13 = 0x1D, - PB_14 = 0x1E, - PB_15 = 0x1F, - - PC_0 = 0x20, - PC_1 = 0x21, - PC_2 = 0x22, - PC_3 = 0x23, - PC_4 = 0x24, - PC_5 = 0x25, - PC_6 = 0x26, - PC_7 = 0x27, - PC_8 = 0x28, - PC_9 = 0x29, - PC_10 = 0x2A, - PC_11 = 0x2B, - PC_12 = 0x2C, - PC_13 = 0x2D, - PC_14 = 0x2E, - PC_15 = 0x2F, - - PD_2 = 0x32, - - PF_0 = 0x50, - PF_1 = 0x51, - PF_4 = 0x54, - PF_5 = 0x55, - PF_6 = 0x56, - PF_7 = 0x57, - - - // Arduino connector namings - A0 = PC_0, - A1 = PC_1, - A2 = PC_2, - A3 = PC_3, - A4 = PC_4, - A5 = PC_5, - D0 = PA_3, - D1 = PA_2, - D2 = PB_12, - D3 = PB_11, - D4 = PA_7, - D5 = PB_9, - D6 = PB_8, - D7 = PA_6, - D8 = PA_5, - D9 = PA_4, - D10 = PA_11, - D11 = PB_5, - D12 = PB_4, - D13 = PB_3, -// D14 = PB_9, -// D15 = PB_8, - - // STM32F0-Discovery(STM32F051R8) connector namings - PA0 = PA_0, - PA1 = PA_1, - PA2 = PA_2, - PA3 = PA_3, - PA4 = PA_4, - PA5 = PA_5, - PA6 = PA_6, - PA7 = PA_7, - PA8 = PA_8, - PA9 = PA_9, - PA10 = PA_10, - PA11 = PA_11, - PA12 = PA_12, - PA13 = PA_13, - PA14 = PA_14, - PA15 = PA_15, - - PC0 = PC_0, - PC1 = PC_1, - PC2 = PC_2, - PC3 = PC_3, - PC4 = PC_4, - PC5 = PC_5, - PC6 = PC_6, - PC7 = PC_7, - PC8 = PC_8, - PC9 = PC_9, - PC10 = PC_10, - PC11 = PC_13, - PC12 = PC_12, - PC13 = PC_13, - PC14 = PC_14, - PC15 = PC_15, - - PD2 = PD_2, - - PB0 = PB_0, - PB1 = PB_1, - PB2 = PB_2, - PB3 = PB_3, - PB4 = PB_4, - PB5 = PB_5, - PB6 = PB_6, - PB7 = PB_7, - PB8 = PB_8, - PB9 = PB_9, - PB10 = PB_10, - PB11 = PB_11, - PB12 = PB_12, - PB13 = PB_13, - PB14 = PB_14, - PB15 = PB_15, - // Generic signals namings - LED1 = PC_9, - LED2 = PC_8, - LED3 = PC_9, - LED4 = PC_8, - USER_BUTTON = PA_0, - SERIAL_TX = PA_2, - SERIAL_RX = PA_3, - USBTX = PA_2, - USBRX = PA_3, - I2C_SCL = PB_8, - I2C_SDA = PB_9, - SPI_MOSI = PA_7, - SPI_MISO = PA_6, - SPI_SCK = PA_5, - SPI_CS = PB_6, - PWM_OUT = PB_3, - - // Not connected - NC = (int)0xFFFFFFFF -} PinName; - -typedef enum { - PullNone = 0, - PullUp = 1, - PullDown = 2, - OpenDrain = 3, - PullDefault = PullNone -} PinMode; - -#ifdef __cplusplus -} -#endif - -#endif
--- a/targets/hal/TARGET_STM/TARGET_DISCO_F051R8/PortNames.h Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,48 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#ifndef MBED_PORTNAMES_H -#define MBED_PORTNAMES_H - -#ifdef __cplusplus -extern "C" { -#endif - -typedef enum { - PortA = 0, - PortB = 1, - PortC = 2, - PortD = 3, - PortF = 5 -} PortName; - -#ifdef __cplusplus -} -#endif -#endif
--- a/targets/hal/TARGET_STM/TARGET_DISCO_F051R8/analogin_api.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,175 +0,0 @@ -/* mbed Microcontroller Library - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ -#include "mbed_assert.h" -#include "analogin_api.h" - -#if DEVICE_ANALOGIN - -#include "wait_api.h" -#include "cmsis.h" -#include "pinmap.h" -#include "PeripheralPins.h" - -ADC_HandleTypeDef AdcHandle; - -int adc_inited = 0; - -void analogin_init(analogin_t *obj, PinName pin) -{ - // Get the peripheral name from the pin and assign it to the object - obj->adc = (ADCName)pinmap_peripheral(pin, PinMap_ADC); - MBED_ASSERT(obj->adc != (ADCName)NC); - - // Configure GPIO - pinmap_pinout(pin, PinMap_ADC); - - // Save pin number for the read function - obj->pin = pin; - - // The ADC initialization is done once - if (adc_inited == 0) { - adc_inited = 1; - - // Enable ADC clock - __ADC1_CLK_ENABLE(); - - // Configure ADC - AdcHandle.Instance = (ADC_TypeDef *)(obj->adc); - AdcHandle.Init.ClockPrescaler = ADC_CLOCK_SYNC_PCLK_DIV4; - AdcHandle.Init.Resolution = ADC_RESOLUTION12b; - AdcHandle.Init.DataAlign = ADC_DATAALIGN_RIGHT; - AdcHandle.Init.ScanConvMode = DISABLE; - AdcHandle.Init.EOCSelection = EOC_SINGLE_CONV; - AdcHandle.Init.LowPowerAutoWait = DISABLE; - AdcHandle.Init.LowPowerAutoPowerOff = DISABLE; - AdcHandle.Init.ContinuousConvMode = DISABLE; - AdcHandle.Init.DiscontinuousConvMode = DISABLE; - AdcHandle.Init.ExternalTrigConv = ADC_SOFTWARE_START; - AdcHandle.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_NONE; - AdcHandle.Init.DMAContinuousRequests = DISABLE; - AdcHandle.Init.Overrun = OVR_DATA_OVERWRITTEN; - HAL_ADC_Init(&AdcHandle); - - // Run the ADC calibration - HAL_ADCEx_Calibration_Start(&AdcHandle); - } -} - -static inline uint16_t adc_read(analogin_t *obj) -{ - ADC_ChannelConfTypeDef sConfig; - - AdcHandle.Instance = (ADC_TypeDef *)(obj->adc); - - // Configure ADC channel - sConfig.Rank = ADC_RANK_CHANNEL_NUMBER; - sConfig.SamplingTime = ADC_SAMPLETIME_7CYCLES_5; - - switch (obj->pin) { - case PA_0: - sConfig.Channel = ADC_CHANNEL_0; - break; - case PA_1: - sConfig.Channel = ADC_CHANNEL_1; - break; - case PA_2: - sConfig.Channel = ADC_CHANNEL_2; - break; - case PA_3: - sConfig.Channel = ADC_CHANNEL_3; - break; - case PA_4: - sConfig.Channel = ADC_CHANNEL_4; - break; - case PA_5: - sConfig.Channel = ADC_CHANNEL_5; - break; - case PA_6: - sConfig.Channel = ADC_CHANNEL_6; - break; - case PA_7: - sConfig.Channel = ADC_CHANNEL_7; - break; - case PB_0: - sConfig.Channel = ADC_CHANNEL_8; - break; - case PB_1: - sConfig.Channel = ADC_CHANNEL_9; - break; - case PC_0: - sConfig.Channel = ADC_CHANNEL_10; - break; - case PC_1: - sConfig.Channel = ADC_CHANNEL_11; - break; - case PC_2: - sConfig.Channel = ADC_CHANNEL_12; - break; - case PC_3: - sConfig.Channel = ADC_CHANNEL_13; - break; - case PC_4: - sConfig.Channel = ADC_CHANNEL_14; - break; - case PC_5: - sConfig.Channel = ADC_CHANNEL_15; - break; - default: - return 0; - } - - // Clear all channels as it is not done in HAL_ADC_ConfigChannel() - AdcHandle.Instance->CHSELR = 0; - - HAL_ADC_ConfigChannel(&AdcHandle, &sConfig); - - HAL_ADC_Start(&AdcHandle); // Start conversion - - // Wait end of conversion and get value - if (HAL_ADC_PollForConversion(&AdcHandle, 10) == HAL_OK) { - return (HAL_ADC_GetValue(&AdcHandle)); - } else { - return 0; - } -} - -uint16_t analogin_read_u16(analogin_t *obj) -{ - uint16_t value = adc_read(obj); - // 12-bit to 16-bit conversion - value = ((value << 4) & (uint16_t)0xFFF0) | ((value >> 8) & (uint16_t)0x000F); - return value; -} - -float analogin_read(analogin_t *obj) -{ - uint16_t value = adc_read(obj); - return (float)value * (1.0f / (float)0xFFF); // 12 bits range -} - -#endif
--- a/targets/hal/TARGET_STM/TARGET_DISCO_F051R8/device.h Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,70 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#ifndef MBED_DEVICE_H -#define MBED_DEVICE_H - -#define DEVICE_PORTIN 1 -#define DEVICE_PORTOUT 1 -#define DEVICE_PORTINOUT 1 - -#define DEVICE_INTERRUPTIN 1 - -#define DEVICE_ANALOGIN 1 -#define DEVICE_ANALOGOUT 0 // Not present on this device - -#define DEVICE_SERIAL 1 - -#define DEVICE_I2C 1 -#define DEVICE_I2CSLAVE 1 - -#define DEVICE_SPI 1 -#define DEVICE_SPISLAVE 1 - -#define DEVICE_RTC 1 - -#define DEVICE_PWMOUT 1 - -#define DEVICE_SLEEP 1 - -//======================================= - -#define DEVICE_SEMIHOST 0 -#define DEVICE_LOCALFILESYSTEM 0 -#define DEVICE_ID_LENGTH 24 - -#define DEVICE_DEBUG_AWARENESS 0 - -#define DEVICE_STDIO_MESSAGES 1 - -//#define DEVICE_ERROR_RED 0 - -#include "objects.h" - -#endif
--- a/targets/hal/TARGET_STM/TARGET_DISCO_F051R8/gpio_api.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,79 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#include "mbed_assert.h" -#include "gpio_api.h" -#include "pinmap.h" -#include "mbed_error.h" - -extern uint32_t Set_GPIO_Clock(uint32_t port_idx); - -uint32_t gpio_set(PinName pin) -{ - MBED_ASSERT(pin != (PinName)NC); - - pin_function(pin, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); - - return (uint32_t)(1 << ((uint32_t)pin & 0xF)); // Return the pin mask -} - -void gpio_init(gpio_t *obj, PinName pin) -{ - obj->pin = pin; - if (pin == (PinName)NC) { - return; - } - - uint32_t port_index = STM_PORT(pin); - - // Enable GPIO clock - uint32_t gpio_add = Set_GPIO_Clock(port_index); - GPIO_TypeDef *gpio = (GPIO_TypeDef *)gpio_add; - - // Fill GPIO object structure for future use - obj->mask = gpio_set(pin); - obj->reg_in = &gpio->IDR; - obj->reg_set = &gpio->BSRR; - obj->reg_clr = &gpio->BRR; -} - -void gpio_mode(gpio_t *obj, PinMode mode) -{ - pin_mode(obj->pin, mode); -} - -void gpio_dir(gpio_t *obj, PinDirection direction) -{ - MBED_ASSERT(obj->pin != (PinName)NC); - if (direction == PIN_OUTPUT) { - pin_function(obj->pin, STM_PIN_DATA(STM_MODE_OUTPUT_PP, GPIO_NOPULL, 0)); - } else { // PIN_INPUT - pin_function(obj->pin, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); - } -}
--- a/targets/hal/TARGET_STM/TARGET_DISCO_F051R8/gpio_irq_api.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,268 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#include <stddef.h> -#include "cmsis.h" - -#include "gpio_irq_api.h" -#include "pinmap.h" -#include "mbed_error.h" - -#define EDGE_NONE (0) -#define EDGE_RISE (1) -#define EDGE_FALL (2) -#define EDGE_BOTH (3) - -// Number of EXTI irq vectors (EXTI0_1, EXTI2_3, EXTI4_15) -#define CHANNEL_NUM (3) - -// Max pins for one line (max with EXTI4_15) -#define MAX_PIN_LINE (12) - -typedef struct gpio_channel { - uint32_t pin_mask; // bitmask representing which pins are configured for receiving interrupts - uint32_t channel_ids[MAX_PIN_LINE]; // mbed "gpio_irq_t gpio_irq" field of instance - uint32_t channel_gpio[MAX_PIN_LINE]; // base address of gpio port group - uint32_t channel_pin[MAX_PIN_LINE]; // pin number in port group -} gpio_channel_t; - -static gpio_channel_t channels[CHANNEL_NUM] = { - {.pin_mask = 0}, - {.pin_mask = 0}, - {.pin_mask = 0} -}; - -// Used to return the index for channels array. -static uint32_t pin_base_nr[16] = { - // EXTI0_1 - 0, // pin 0 - 1, // pin 1 - // EXTI2_3 - 0, // pin 2 - 1, // pin 3 - // EXTI4_15 - 0, // pin 4 - 1, // pin 5 - 2, // pin 6 - 3, // pin 7 - 4, // pin 8 - 5, // pin 9 - 6, // pin 10 - 7, // pin 11 - 8, // pin 12 - 9, // pin 13 - 10, // pin 14 - 11 // pin 15 -}; - -static gpio_irq_handler irq_handler; - -static void handle_interrupt_in(uint32_t irq_index, uint32_t max_num_pin_line) -{ - gpio_channel_t *gpio_channel = &channels[irq_index]; - uint32_t gpio_idx; - - for (gpio_idx = 0; gpio_idx < max_num_pin_line; gpio_idx++) { - uint32_t current_mask = (1 << gpio_idx); - - if (gpio_channel->pin_mask & current_mask) { - // Retrieve the gpio and pin that generate the irq - GPIO_TypeDef *gpio = (GPIO_TypeDef *)(gpio_channel->channel_gpio[gpio_idx]); - uint32_t pin = (uint32_t)(1 << (gpio_channel->channel_pin[gpio_idx])); - - // Clear interrupt flag - if (__HAL_GPIO_EXTI_GET_FLAG(pin) != RESET) { - __HAL_GPIO_EXTI_CLEAR_FLAG(pin); - - if (gpio_channel->channel_ids[gpio_idx] == 0) continue; - - // Check which edge has generated the irq - if ((gpio->IDR & pin) == 0) { - irq_handler(gpio_channel->channel_ids[gpio_idx], IRQ_FALL); - } else { - irq_handler(gpio_channel->channel_ids[gpio_idx], IRQ_RISE); - } - } - } - } -} - -// EXTI lines 0 to 1 -static void gpio_irq0(void) -{ - handle_interrupt_in(0, 2); -} - -// EXTI lines 2 to 3 -static void gpio_irq1(void) -{ - handle_interrupt_in(1, 2); -} - -// EXTI lines 4 to 15 -static void gpio_irq2(void) -{ - handle_interrupt_in(2, 12); -} - -extern uint32_t Set_GPIO_Clock(uint32_t port_idx); - -int gpio_irq_init(gpio_irq_t *obj, PinName pin, gpio_irq_handler handler, uint32_t id) -{ - IRQn_Type irq_n = (IRQn_Type)0; - uint32_t vector = 0; - uint32_t irq_index; - gpio_channel_t *gpio_channel; - uint32_t gpio_idx; - - if (pin == NC) return -1; - - uint32_t port_index = STM_PORT(pin); - uint32_t pin_index = STM_PIN(pin); - - // Select irq number and interrupt routine - if ((pin_index == 0) || (pin_index == 1)) { - irq_n = EXTI0_1_IRQn; - vector = (uint32_t)&gpio_irq0; - irq_index = 0; - } else if ((pin_index == 2) || (pin_index == 3)) { - irq_n = EXTI2_3_IRQn; - vector = (uint32_t)&gpio_irq1; - irq_index = 1; - } else if ((pin_index > 3) && (pin_index < 16)) { - irq_n = EXTI4_15_IRQn; - vector = (uint32_t)&gpio_irq2; - irq_index = 2; - } else { - error("InterruptIn error: pin not supported.\n"); - return -1; - } - - // Enable GPIO clock - uint32_t gpio_add = Set_GPIO_Clock(port_index); - - // Configure GPIO - pin_function(pin, STM_PIN_DATA(STM_MODE_IT_FALLING, GPIO_NOPULL, 0)); - - // Enable EXTI interrupt - NVIC_SetVector(irq_n, vector); - NVIC_EnableIRQ(irq_n); - - // Save informations for future use - obj->irq_n = irq_n; - obj->irq_index = irq_index; - obj->event = EDGE_NONE; - obj->pin = pin; - - gpio_channel = &channels[irq_index]; - gpio_idx = pin_base_nr[pin_index]; - gpio_channel->pin_mask |= (1 << gpio_idx); - gpio_channel->channel_ids[gpio_idx] = id; - gpio_channel->channel_gpio[gpio_idx] = gpio_add; - gpio_channel->channel_pin[gpio_idx] = pin_index; - - irq_handler = handler; - - return 0; -} - -void gpio_irq_free(gpio_irq_t *obj) -{ - gpio_channel_t *gpio_channel = &channels[obj->irq_index]; - uint32_t pin_index = STM_PIN(obj->pin); - uint32_t gpio_idx = pin_base_nr[pin_index]; - - gpio_channel->pin_mask &= ~(1 << gpio_idx); - gpio_channel->channel_ids[gpio_idx] = 0; - gpio_channel->channel_gpio[gpio_idx] = 0; - gpio_channel->channel_pin[gpio_idx] = 0; - - // Disable EXTI line - pin_function(obj->pin, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); - obj->event = EDGE_NONE; -} - -void gpio_irq_set(gpio_irq_t *obj, gpio_irq_event event, uint32_t enable) -{ - uint32_t mode = STM_MODE_IT_EVT_RESET; - uint32_t pull = GPIO_NOPULL; - - if (enable) { - if (event == IRQ_RISE) { - if ((obj->event == EDGE_FALL) || (obj->event == EDGE_BOTH)) { - mode = STM_MODE_IT_RISING_FALLING; - obj->event = EDGE_BOTH; - } else { // NONE or RISE - mode = STM_MODE_IT_RISING; - obj->event = EDGE_RISE; - } - } - if (event == IRQ_FALL) { - if ((obj->event == EDGE_RISE) || (obj->event == EDGE_BOTH)) { - mode = STM_MODE_IT_RISING_FALLING; - obj->event = EDGE_BOTH; - } else { // NONE or FALL - mode = STM_MODE_IT_FALLING; - obj->event = EDGE_FALL; - } - } - } else { // Disable - if (event == IRQ_RISE) { - if ((obj->event == EDGE_FALL) || (obj->event == EDGE_BOTH)) { - mode = STM_MODE_IT_FALLING; - obj->event = EDGE_FALL; - } else { // NONE or RISE - mode = STM_MODE_IT_EVT_RESET; - obj->event = EDGE_NONE; - } - } - if (event == IRQ_FALL) { - if ((obj->event == EDGE_RISE) || (obj->event == EDGE_BOTH)) { - mode = STM_MODE_IT_RISING; - obj->event = EDGE_RISE; - } else { // NONE or FALL - mode = STM_MODE_IT_EVT_RESET; - obj->event = EDGE_NONE; - } - } - } - - pin_function(obj->pin, STM_PIN_DATA(mode, pull, 0)); -} - -void gpio_irq_enable(gpio_irq_t *obj) -{ - NVIC_EnableIRQ(obj->irq_n); -} - -void gpio_irq_disable(gpio_irq_t *obj) -{ - NVIC_DisableIRQ(obj->irq_n); - obj->event = EDGE_NONE; -}
--- a/targets/hal/TARGET_STM/TARGET_DISCO_F051R8/gpio_object.h Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,75 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#ifndef MBED_GPIO_OBJECT_H -#define MBED_GPIO_OBJECT_H - -#include "mbed_assert.h" -#include "cmsis.h" -#include "PortNames.h" -#include "PeripheralNames.h" -#include "PinNames.h" - -#ifdef __cplusplus -extern "C" { -#endif - -typedef struct { - PinName pin; - uint32_t mask; - __IO uint32_t *reg_in; - __IO uint32_t *reg_set; - __IO uint32_t *reg_clr; -} gpio_t; - -static inline void gpio_write(gpio_t *obj, int value) -{ - MBED_ASSERT(obj->pin != (PinName)NC); - if (value) { - *obj->reg_set = obj->mask; - } else { - *obj->reg_clr = obj->mask; - } -} - -static inline int gpio_read(gpio_t *obj) -{ - MBED_ASSERT(obj->pin != (PinName)NC); - return ((*obj->reg_in & obj->mask) ? 1 : 0); -} - -static inline int gpio_is_connected(const gpio_t *obj) { - return obj->pin != (PinName)NC; -} - -#ifdef __cplusplus -} -#endif - -#endif
--- a/targets/hal/TARGET_STM/TARGET_DISCO_F051R8/i2c_api.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,390 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#include "mbed_assert.h" -#include "i2c_api.h" - -#if DEVICE_I2C - -#include "cmsis.h" -#include "pinmap.h" -#include "PeripheralPins.h" - -/* Timeout values for flags and events waiting loops. These timeouts are - not based on accurate values, they just guarantee that the application will - not remain stuck if the I2C communication is corrupted. */ -#define FLAG_TIMEOUT ((int)0x1000) -#define LONG_TIMEOUT ((int)0x8000) - -I2C_HandleTypeDef I2cHandle; - -int i2c1_inited = 0; -int i2c2_inited = 0; - -void i2c_init(i2c_t *obj, PinName sda, PinName scl) -{ - // Determine the I2C to use - I2CName i2c_sda = (I2CName)pinmap_peripheral(sda, PinMap_I2C_SDA); - I2CName i2c_scl = (I2CName)pinmap_peripheral(scl, PinMap_I2C_SCL); - - obj->i2c = (I2CName)pinmap_merge(i2c_sda, i2c_scl); - MBED_ASSERT(obj->i2c != (I2CName)NC); - - // Enable I2C1 clock and pinout if not done - if ((obj->i2c == I2C_1) && !i2c1_inited) { - i2c1_inited = 1; - __HAL_RCC_I2C1_CONFIG(RCC_I2C1CLKSOURCE_SYSCLK); - __I2C1_CLK_ENABLE(); - // Configure I2C pins - pinmap_pinout(sda, PinMap_I2C_SDA); - pinmap_pinout(scl, PinMap_I2C_SCL); - pin_mode(sda, OpenDrain); - pin_mode(scl, OpenDrain); - } - - // Enable I2C2 clock and pinout if not done - if ((obj->i2c == I2C_2) && !i2c2_inited) { - i2c2_inited = 1; - __I2C2_CLK_ENABLE(); - // Configure I2C pins - pinmap_pinout(sda, PinMap_I2C_SDA); - pinmap_pinout(scl, PinMap_I2C_SCL); - pin_mode(sda, OpenDrain); - pin_mode(scl, OpenDrain); - } - - // Reset to clear pending flags if any - i2c_reset(obj); - - // I2C configuration - i2c_frequency(obj, 100000); // 100 kHz per default -} - -void i2c_frequency(i2c_t *obj, int hz) -{ - MBED_ASSERT((hz == 100000) || (hz == 400000) || (hz == 1000000)); - I2cHandle.Instance = (I2C_TypeDef *)(obj->i2c); - int timeout; - - // wait before init - timeout = LONG_TIMEOUT; - while ((__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_BUSY)) && (timeout-- != 0)); - - // Common settings: I2C clock = 48 MHz, Analog filter = ON, Digital filter coefficient = 0 - switch (hz) { - case 100000: - I2cHandle.Init.Timing = 0x10805E89; // Standard mode with Rise Time = 400ns and Fall Time = 100ns - break; - case 400000: - I2cHandle.Init.Timing = 0x00901850; // Fast mode with Rise Time = 250ns and Fall Time = 100ns - break; - case 1000000: - I2cHandle.Init.Timing = 0x00700818; // Fast mode Plus with Rise Time = 60ns and Fall Time = 100ns - break; - default: - break; - } - - // I2C configuration - I2cHandle.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT; - I2cHandle.Init.DualAddressMode = I2C_DUALADDRESS_DISABLED; - I2cHandle.Init.GeneralCallMode = I2C_GENERALCALL_DISABLED; - I2cHandle.Init.NoStretchMode = I2C_NOSTRETCH_DISABLED; - I2cHandle.Init.OwnAddress1 = 0; - I2cHandle.Init.OwnAddress2 = 0; - I2cHandle.Init.OwnAddress2Masks = I2C_OA2_NOMASK; - HAL_I2C_Init(&I2cHandle); -} - -inline int i2c_start(i2c_t *obj) -{ - I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c); - int timeout; - - I2cHandle.Instance = (I2C_TypeDef *)(obj->i2c); - - // Clear Acknowledge failure flag - __HAL_I2C_CLEAR_FLAG(&I2cHandle, I2C_FLAG_AF); - - // Generate the START condition - i2c->CR2 |= I2C_CR2_START; - - // Wait the START condition has been correctly sent - timeout = FLAG_TIMEOUT; - while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_BUSY) == RESET) { - if ((timeout--) == 0) { - return 1; - } - } - - return 0; -} - -inline int i2c_stop(i2c_t *obj) -{ - I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c); - - // Generate the STOP condition - i2c->CR2 |= I2C_CR2_STOP; - - return 0; -} - -int i2c_read(i2c_t *obj, int address, char *data, int length, int stop) -{ - I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c); - I2cHandle.Instance = (I2C_TypeDef *)(obj->i2c); - int timeout; - int count; - int value; - - // Update CR2 register - i2c->CR2 = (i2c->CR2 & (uint32_t)~((uint32_t)(I2C_CR2_SADD | I2C_CR2_NBYTES | I2C_CR2_RELOAD | I2C_CR2_AUTOEND | I2C_CR2_RD_WRN | I2C_CR2_START | I2C_CR2_STOP))) - | (uint32_t)(((uint32_t)address & I2C_CR2_SADD) | (((uint32_t)length << 16) & I2C_CR2_NBYTES) | (uint32_t)I2C_SOFTEND_MODE | (uint32_t)I2C_GENERATE_START_READ); - - // Read all bytes - for (count = 0; count < length; count++) { - value = i2c_byte_read(obj, 0); - data[count] = (char)value; - } - - // Wait transfer complete - timeout = FLAG_TIMEOUT; - while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_TC) == RESET) { - timeout--; - if (timeout == 0) { - return -1; - } - } - __HAL_I2C_CLEAR_FLAG(&I2cHandle, I2C_FLAG_TC); - - // If not repeated start, send stop. - if (stop) { - i2c_stop(obj); - // Wait until STOPF flag is set - timeout = FLAG_TIMEOUT; - while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_STOPF) == RESET) { - timeout--; - if (timeout == 0) { - return -1; - } - } - // Clear STOP Flag - __HAL_I2C_CLEAR_FLAG(&I2cHandle, I2C_FLAG_STOPF); - } - - return length; -} - -int i2c_write(i2c_t *obj, int address, const char *data, int length, int stop) -{ - I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c); - I2cHandle.Instance = (I2C_TypeDef *)(obj->i2c); - int timeout; - int count; - - // Update CR2 register - i2c->CR2 = (i2c->CR2 & (uint32_t)~((uint32_t)(I2C_CR2_SADD | I2C_CR2_NBYTES | I2C_CR2_RELOAD | I2C_CR2_AUTOEND | I2C_CR2_RD_WRN | I2C_CR2_START | I2C_CR2_STOP))) - | (uint32_t)(((uint32_t)address & I2C_CR2_SADD) | (((uint32_t)length << 16) & I2C_CR2_NBYTES) | (uint32_t)I2C_SOFTEND_MODE | (uint32_t)I2C_GENERATE_START_WRITE); - - for (count = 0; count < length; count++) { - i2c_byte_write(obj, data[count]); - } - - // Wait transfer complete - timeout = FLAG_TIMEOUT; - while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_TC) == RESET) { - timeout--; - if (timeout == 0) { - return -1; - } - } - __HAL_I2C_CLEAR_FLAG(&I2cHandle, I2C_FLAG_TC); - - // If not repeated start, send stop - if (stop) { - i2c_stop(obj); - // Wait until STOPF flag is set - timeout = FLAG_TIMEOUT; - while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_STOPF) == RESET) { - timeout--; - if (timeout == 0) { - return -1; - } - } - // Clear STOP Flag - __HAL_I2C_CLEAR_FLAG(&I2cHandle, I2C_FLAG_STOPF); - } - - return count; -} - -int i2c_byte_read(i2c_t *obj, int last) -{ - I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c); - int timeout; - - // Wait until the byte is received - timeout = FLAG_TIMEOUT; - while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_RXNE) == RESET) { - if ((timeout--) == 0) { - return -1; - } - } - - return (int)i2c->RXDR; -} - -int i2c_byte_write(i2c_t *obj, int data) -{ - I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c); - int timeout; - - // Wait until the previous byte is transmitted - timeout = FLAG_TIMEOUT; - while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_TXIS) == RESET) { - if ((timeout--) == 0) { - return 0; - } - } - - i2c->TXDR = (uint8_t)data; - - return 1; -} - -void i2c_reset(i2c_t *obj) -{ - int timeout; - - // Wait before reset - timeout = LONG_TIMEOUT; - while ((__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_BUSY)) && (timeout-- != 0)); - - if (obj->i2c == I2C_1) { - __I2C1_FORCE_RESET(); - __I2C1_RELEASE_RESET(); - } - if (obj->i2c == I2C_2) { - __I2C2_FORCE_RESET(); - __I2C2_RELEASE_RESET(); - } -} - -#if DEVICE_I2CSLAVE - -void i2c_slave_address(i2c_t *obj, int idx, uint32_t address, uint32_t mask) -{ - I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c); - uint16_t tmpreg = 0; - - // disable - i2c->OAR1 &= (uint32_t)(~I2C_OAR1_OA1EN); - // Get the old register value - tmpreg = i2c->OAR1; - // Reset address bits - tmpreg &= 0xFC00; - // Set new address - tmpreg |= (uint16_t)((uint16_t)address & (uint16_t)0x00FE); // 7-bits - // Store the new register value - i2c->OAR1 = tmpreg; - // enable - i2c->OAR1 |= I2C_OAR1_OA1EN; -} - -void i2c_slave_mode(i2c_t *obj, int enable_slave) -{ - I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c); - uint16_t tmpreg; - - // Get the old register value - tmpreg = i2c->OAR1; - - // Enable / disable slave - if (enable_slave == 1) { - tmpreg |= I2C_OAR1_OA1EN; - } else { - tmpreg &= (uint32_t)(~I2C_OAR1_OA1EN); - } - - // Set new mode - i2c->OAR1 = tmpreg; -} - -// See I2CSlave.h -#define NoData 0 // the slave has not been addressed -#define ReadAddressed 1 // the master has requested a read from this slave (slave = transmitter) -#define WriteGeneral 2 // the master is writing to all slave -#define WriteAddressed 3 // the master is writing to this slave (slave = receiver) - -int i2c_slave_receive(i2c_t *obj) -{ - I2cHandle.Instance = (I2C_TypeDef *)(obj->i2c); - int retValue = NoData; - - if (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_BUSY) == 1) { - if (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_ADDR) == 1) { - if (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_DIR) == 1) - retValue = ReadAddressed; - else - retValue = WriteAddressed; - - __HAL_I2C_CLEAR_FLAG(&I2cHandle, I2C_FLAG_ADDR); - } - } - - return (retValue); -} - -int i2c_slave_read(i2c_t *obj, char *data, int length) -{ - int size = 0; - - while (size < length) data[size++] = (char)i2c_byte_read(obj, 0); - - return size; -} - -int i2c_slave_write(i2c_t *obj, const char *data, int length) -{ - int size = 0; - I2cHandle.Instance = (I2C_TypeDef *)(obj->i2c); - - do { - i2c_byte_write(obj, data[size]); - size++; - } while (size < length); - - return size; -} - - -#endif // DEVICE_I2CSLAVE - -#endif // DEVICE_I2C
--- a/targets/hal/TARGET_STM/TARGET_DISCO_F051R8/mbed_overrides.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,35 +0,0 @@ -/* mbed Microcontroller Library - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ -#include "cmsis.h" - -// This function is called after RAM initialization and before main. -void mbed_sdk_init() -{ - // Update the SystemCoreClock variable. - SystemCoreClockUpdate(); -}
--- a/targets/hal/TARGET_STM/TARGET_DISCO_F051R8/objects.h Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,109 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#ifndef MBED_OBJECTS_H -#define MBED_OBJECTS_H - -#include "cmsis.h" -#include "PortNames.h" -#include "PeripheralNames.h" -#include "PinNames.h" - -#ifdef __cplusplus -extern "C" { -#endif - -struct gpio_irq_s { - IRQn_Type irq_n; - uint32_t irq_index; - uint32_t event; - PinName pin; -}; - -struct port_s { - PortName port; - uint32_t mask; - PinDirection direction; - __IO uint32_t *reg_in; - __IO uint32_t *reg_out; -}; - -struct analogin_s { - ADCName adc; - PinName pin; -}; - -struct dac_s { - DACName dac; - PinName channel; -}; - -struct serial_s { - UARTName uart; - int index; // Used by irq - uint32_t baudrate; - uint32_t databits; - uint32_t stopbits; - uint32_t parity; - PinName pin_tx; - PinName pin_rx; -}; - -struct spi_s { - SPIName spi; - uint32_t bits; - uint32_t cpol; - uint32_t cpha; - uint32_t mode; - uint32_t nss; - uint32_t br_presc; - PinName pin_miso; - PinName pin_mosi; - PinName pin_sclk; - PinName pin_ssel; -}; - -struct i2c_s { - I2CName i2c; -}; - -struct pwmout_s { - PWMName pwm; - PinName pin; - uint32_t period; - uint32_t pulse; -}; - -#include "gpio_object.h" - -#ifdef __cplusplus -} -#endif - -#endif
--- a/targets/hal/TARGET_STM/TARGET_DISCO_F051R8/pinmap.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,137 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#include "mbed_assert.h" -#include "pinmap.h" -#include "PortNames.h" -#include "mbed_error.h" - -// GPIO mode look-up table -static const uint32_t gpio_mode[13] = { - 0x00000000, // 0 = GPIO_MODE_INPUT - 0x00000001, // 1 = GPIO_MODE_OUTPUT_PP - 0x00000011, // 2 = GPIO_MODE_OUTPUT_OD - 0x00000002, // 3 = GPIO_MODE_AF_PP - 0x00000012, // 4 = GPIO_MODE_AF_OD - 0x00000003, // 5 = GPIO_MODE_ANALOG - 0x10110000, // 6 = GPIO_MODE_IT_RISING - 0x10210000, // 7 = GPIO_MODE_IT_FALLING - 0x10310000, // 8 = GPIO_MODE_IT_RISING_FALLING - 0x10120000, // 9 = GPIO_MODE_EVT_RISING - 0x10220000, // 10 = GPIO_MODE_EVT_FALLING - 0x10320000, // 11 = GPIO_MODE_EVT_RISING_FALLING - 0x10000000 // 12 = Reset IT and EVT (not in STM32Cube HAL) -}; - -// Enable GPIO clock and return GPIO base address -uint32_t Set_GPIO_Clock(uint32_t port_idx) -{ - uint32_t gpio_add = 0; - switch (port_idx) { - case PortA: - gpio_add = GPIOA_BASE; - __GPIOA_CLK_ENABLE(); - break; - case PortB: - gpio_add = GPIOB_BASE; - __GPIOB_CLK_ENABLE(); - break; - case PortC: - gpio_add = GPIOC_BASE; - __GPIOC_CLK_ENABLE(); - break; - case PortD: - gpio_add = GPIOD_BASE; - __GPIOD_CLK_ENABLE(); - break; - case PortF: - gpio_add = GPIOF_BASE; - __GPIOF_CLK_ENABLE(); - break; - default: - error("Pinmap error: wrong port number."); - break; - } - return gpio_add; -} - -/** - * Configure pin (mode, speed, output type and pull-up/pull-down) - */ -void pin_function(PinName pin, int data) -{ - MBED_ASSERT(pin != (PinName)NC); - // Get the pin informations - uint32_t mode = STM_PIN_MODE(data); - uint32_t pupd = STM_PIN_PUPD(data); - uint32_t afnum = STM_PIN_AFNUM(data); - - uint32_t port_index = STM_PORT(pin); - uint32_t pin_index = STM_PIN(pin); - - // Enable GPIO clock - uint32_t gpio_add = Set_GPIO_Clock(port_index); - GPIO_TypeDef *gpio = (GPIO_TypeDef *)gpio_add; - - // Configure GPIO - GPIO_InitTypeDef GPIO_InitStructure; - GPIO_InitStructure.Pin = (uint32_t)(1 << pin_index); - GPIO_InitStructure.Mode = gpio_mode[mode]; - GPIO_InitStructure.Pull = pupd; - GPIO_InitStructure.Speed = GPIO_SPEED_HIGH; - GPIO_InitStructure.Alternate = afnum; - HAL_GPIO_Init(gpio, &GPIO_InitStructure); - - // [TODO] Disconnect SWDIO and SWCLK signals ? - // Warning: For debugging it is necessary to reconnect under reset if this is done. - //if ((pin == PA_13) || (pin == PA_14)) { - // - //} -} - -/** - * Configure pin pull-up/pull-down - */ -void pin_mode(PinName pin, PinMode mode) -{ - MBED_ASSERT(pin != (PinName)NC); - uint32_t port_index = STM_PORT(pin); - uint32_t pin_index = STM_PIN(pin); - - // Enable GPIO clock - uint32_t gpio_add = Set_GPIO_Clock(port_index); - GPIO_TypeDef *gpio = (GPIO_TypeDef *)gpio_add; - - // Configure pull-up/pull-down resistors - uint32_t pupd = (uint32_t)mode; - if (pupd > 2) pupd = 0; // Open-drain = No pull-up/No pull-down - gpio->PUPDR &= (uint32_t)(~(GPIO_PUPDR_PUPDR0 << (pin_index * 2))); - gpio->PUPDR |= (uint32_t)(pupd << (pin_index * 2)); - -}
--- a/targets/hal/TARGET_STM/TARGET_DISCO_F051R8/port_api.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,103 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#include "port_api.h" -#include "pinmap.h" -#include "gpio_api.h" -#include "mbed_error.h" - -#if DEVICE_PORTIN || DEVICE_PORTOUT - -extern uint32_t Set_GPIO_Clock(uint32_t port_idx); - -// high nibble = port number (0=A, 1=B, 2=C, 3=D, 4=E, 5=F, ...) -// low nibble = pin number -PinName port_pin(PortName port, int pin_n) -{ - return (PinName)(pin_n + (port << 4)); -} - -void port_init(port_t *obj, PortName port, int mask, PinDirection dir) -{ - uint32_t port_index = (uint32_t)port; - - // Enable GPIO clock - uint32_t gpio_add = Set_GPIO_Clock(port_index); - GPIO_TypeDef *gpio = (GPIO_TypeDef *)gpio_add; - - // Fill PORT object structure for future use - obj->port = port; - obj->mask = mask; - obj->direction = dir; - obj->reg_in = &gpio->IDR; - obj->reg_out = &gpio->ODR; - - port_dir(obj, dir); -} - -void port_dir(port_t *obj, PinDirection dir) -{ - uint32_t i; - obj->direction = dir; - for (i = 0; i < 16; i++) { // Process all pins - if (obj->mask & (1 << i)) { // If the pin is used - if (dir == PIN_OUTPUT) { - pin_function(port_pin(obj->port, i), STM_PIN_DATA(STM_MODE_OUTPUT_PP, GPIO_NOPULL, 0)); - } else { // PIN_INPUT - pin_function(port_pin(obj->port, i), STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); - } - } - } -} - -void port_mode(port_t *obj, PinMode mode) -{ - uint32_t i; - for (i = 0; i < 16; i++) { // Process all pins - if (obj->mask & (1 << i)) { // If the pin is used - pin_mode(port_pin(obj->port, i), mode); - } - } -} - -void port_write(port_t *obj, int value) -{ - *obj->reg_out = (*obj->reg_out & ~obj->mask) | (value & obj->mask); -} - -int port_read(port_t *obj) -{ - if (obj->direction == PIN_OUTPUT) { - return (*obj->reg_out & obj->mask); - } else { // PIN_INPUT - return (*obj->reg_in & obj->mask); - } -} - -#endif
--- a/targets/hal/TARGET_STM/TARGET_DISCO_F051R8/pwmout_api.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,206 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#include "pwmout_api.h" - -#if DEVICE_PWMOUT - -#include "cmsis.h" -#include "pinmap.h" -#include "mbed_error.h" -#include "PeripheralPins.h" - -static TIM_HandleTypeDef TimHandle; - -void pwmout_init(pwmout_t* obj, PinName pin) -{ - // Get the peripheral name from the pin and assign it to the object - obj->pwm = (PWMName)pinmap_peripheral(pin, PinMap_PWM); - - if (obj->pwm == (PWMName)NC) { - error("PWM error: pinout mapping failed."); - } - - // Enable TIM clock - if (obj->pwm == PWM_3) __TIM3_CLK_ENABLE(); - if (obj->pwm == PWM_14) __TIM14_CLK_ENABLE(); - if (obj->pwm == PWM_15) __TIM15_CLK_ENABLE(); - if (obj->pwm == PWM_16) __TIM16_CLK_ENABLE(); - if (obj->pwm == PWM_17) __TIM17_CLK_ENABLE(); - - // Configure GPIO - pinmap_pinout(pin, PinMap_PWM); - - obj->pin = pin; - obj->period = 0; - obj->pulse = 0; - - pwmout_period_us(obj, 20000); // 20 ms per default -} - -void pwmout_free(pwmout_t* obj) -{ - // Configure GPIO - pin_function(obj->pin, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); -} - -void pwmout_write(pwmout_t* obj, float value) -{ - TIM_OC_InitTypeDef sConfig; - int channel = 0; - int complementary_channel = 0; - - TimHandle.Instance = (TIM_TypeDef *)(obj->pwm); - - if (value < (float)0.0) { - value = 0.0; - } else if (value > (float)1.0) { - value = 1.0; - } - - obj->pulse = (uint32_t)((float)obj->period * value); - - // Configure channels - sConfig.OCMode = TIM_OCMODE_PWM1; - sConfig.Pulse = obj->pulse; - sConfig.OCPolarity = TIM_OCPOLARITY_HIGH; - sConfig.OCNPolarity = TIM_OCNPOLARITY_HIGH; - sConfig.OCFastMode = TIM_OCFAST_DISABLE; - sConfig.OCIdleState = TIM_OCIDLESTATE_RESET; - sConfig.OCNIdleState = TIM_OCNIDLESTATE_RESET; - - switch (obj->pin) { - // Channels 1 - case PA_4: - case PA_6: - case PB_1: - case PB_4: - case PB_8: - case PB_9: - case PB_14: - case PC_6: - channel = TIM_CHANNEL_1; - break; - // Channels 1N - case PB_6: - case PB_7: - channel = TIM_CHANNEL_1; - complementary_channel = 1; - break; - // Channels 2 - case PA_7: - case PB_5: - case PB_15: - case PC_7: - channel = TIM_CHANNEL_2; - break; - // Channels 3 - case PB_0: - case PC_8: - channel = TIM_CHANNEL_3; - break; - // Channels 4 - case PC_9: - channel = TIM_CHANNEL_4; - break; - default: - return; - } - - HAL_TIM_PWM_ConfigChannel(&TimHandle, &sConfig, channel); - - if (complementary_channel) { - HAL_TIMEx_PWMN_Start(&TimHandle, channel); - } else { - HAL_TIM_PWM_Start(&TimHandle, channel); - } -} - -float pwmout_read(pwmout_t* obj) -{ - float value = 0; - if (obj->period > 0) { - value = (float)(obj->pulse) / (float)(obj->period); - } - return ((value > (float)1.0) ? (float)(1.0) : (value)); -} - -void pwmout_period(pwmout_t* obj, float seconds) -{ - pwmout_period_us(obj, seconds * 1000000.0f); -} - -void pwmout_period_ms(pwmout_t* obj, int ms) -{ - pwmout_period_us(obj, ms * 1000); -} - -void pwmout_period_us(pwmout_t* obj, int us) -{ - TimHandle.Instance = (TIM_TypeDef *)(obj->pwm); - - float dc = pwmout_read(obj); - - __HAL_TIM_DISABLE(&TimHandle); - - // Update the SystemCoreClock variable - SystemCoreClockUpdate(); - - TimHandle.Init.Period = us - 1; - TimHandle.Init.Prescaler = (uint16_t)(SystemCoreClock / 1000000) - 1; // 1 µs tick - TimHandle.Init.ClockDivision = 0; - TimHandle.Init.CounterMode = TIM_COUNTERMODE_UP; - HAL_TIM_PWM_Init(&TimHandle); - - // Set duty cycle again - pwmout_write(obj, dc); - - // Save for future use - obj->period = us; - - __HAL_TIM_ENABLE(&TimHandle); -} - -void pwmout_pulsewidth(pwmout_t* obj, float seconds) -{ - pwmout_pulsewidth_us(obj, seconds * 1000000.0f); -} - -void pwmout_pulsewidth_ms(pwmout_t* obj, int ms) -{ - pwmout_pulsewidth_us(obj, ms * 1000); -} - -void pwmout_pulsewidth_us(pwmout_t* obj, int us) -{ - float value = (float)us / (float)obj->period; - pwmout_write(obj, value); -} - -#endif
--- a/targets/hal/TARGET_STM/TARGET_DISCO_F051R8/rtc_api.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,201 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#include "rtc_api.h" - -#if DEVICE_RTC - -#include "mbed_error.h" - -static int rtc_inited = 0; - -static RTC_HandleTypeDef RtcHandle; - -void rtc_init(void) -{ - RCC_OscInitTypeDef RCC_OscInitStruct; - uint32_t rtc_freq = 0; - - if (rtc_inited) return; - rtc_inited = 1; - - RtcHandle.Instance = RTC; - - // Enable Power clock - __PWR_CLK_ENABLE(); - - // Enable access to Backup domain - HAL_PWR_EnableBkUpAccess(); - - // Reset Backup domain - __HAL_RCC_BACKUPRESET_FORCE(); - __HAL_RCC_BACKUPRESET_RELEASE(); - - // Enable LSE Oscillator - RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSE; - RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE; // Mandatory, otherwise the PLL is reconfigured! - RCC_OscInitStruct.LSEState = RCC_LSE_ON; // External 32.768 kHz clock on OSC_IN/OSC_OUT - if (HAL_RCC_OscConfig(&RCC_OscInitStruct) == HAL_OK) { - // Connect LSE to RTC - __HAL_RCC_RTC_CONFIG(RCC_RTCCLKSOURCE_LSE); - rtc_freq = LSE_VALUE; - } else { - // Enable LSI clock - RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI | RCC_OSCILLATORTYPE_LSE; - RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE; // Mandatory, otherwise the PLL is reconfigured! - RCC_OscInitStruct.LSEState = RCC_LSE_OFF; - RCC_OscInitStruct.LSIState = RCC_LSI_ON; - if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) { - error("RTC error: LSI clock initialization failed."); - } - // Connect LSI to RTC - __HAL_RCC_RTC_CONFIG(RCC_RTCCLKSOURCE_LSI); - // This value is LSI typical value. To be measured precisely using a timer input capture for example. - rtc_freq = LSI_VALUE; - } - - // Enable RTC - __HAL_RCC_RTC_ENABLE(); - - RtcHandle.Init.HourFormat = RTC_HOURFORMAT_24; - RtcHandle.Init.AsynchPrediv = 127; - RtcHandle.Init.SynchPrediv = (rtc_freq / 128) - 1; - RtcHandle.Init.OutPut = RTC_OUTPUT_DISABLE; - RtcHandle.Init.OutPutPolarity = RTC_OUTPUT_POLARITY_HIGH; - RtcHandle.Init.OutPutType = RTC_OUTPUT_TYPE_OPENDRAIN; - - if (HAL_RTC_Init(&RtcHandle) != HAL_OK) { - error("RTC error: RTC initialization failed."); - } -} - -void rtc_free(void) -{ - // Enable Power clock - __PWR_CLK_ENABLE(); - - // Enable access to Backup domain - HAL_PWR_EnableBkUpAccess(); - - // Reset Backup domain - __HAL_RCC_BACKUPRESET_FORCE(); - __HAL_RCC_BACKUPRESET_RELEASE(); - - // Disable access to Backup domain - HAL_PWR_DisableBkUpAccess(); - - // Disable LSI and LSE clocks - RCC_OscInitTypeDef RCC_OscInitStruct; - RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI | RCC_OSCILLATORTYPE_LSE; - RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE; - RCC_OscInitStruct.LSIState = RCC_LSI_OFF; - RCC_OscInitStruct.LSEState = RCC_LSE_OFF; - HAL_RCC_OscConfig(&RCC_OscInitStruct); - - rtc_inited = 0; -} - -int rtc_isenabled(void) -{ - return rtc_inited; -} - -/* - RTC Registers - RTC_WeekDay 1=monday, 2=tuesday, ..., 7=sunday - RTC_Month 1=january, 2=february, ..., 12=december - RTC_Date day of the month 1-31 - RTC_Year year 0-99 - struct tm - tm_sec seconds after the minute 0-61 - tm_min minutes after the hour 0-59 - tm_hour hours since midnight 0-23 - tm_mday day of the month 1-31 - tm_mon months since January 0-11 - tm_year years since 1900 - tm_wday days since Sunday 0-6 - tm_yday days since January 1 0-365 - tm_isdst Daylight Saving Time flag -*/ -time_t rtc_read(void) -{ - RTC_DateTypeDef dateStruct; - RTC_TimeTypeDef timeStruct; - struct tm timeinfo; - - RtcHandle.Instance = RTC; - - // Read actual date and time - // Warning: the time must be read first! - HAL_RTC_GetTime(&RtcHandle, &timeStruct, FORMAT_BIN); - HAL_RTC_GetDate(&RtcHandle, &dateStruct, FORMAT_BIN); - - // Setup a tm structure based on the RTC - timeinfo.tm_wday = dateStruct.WeekDay; - timeinfo.tm_mon = dateStruct.Month - 1; - timeinfo.tm_mday = dateStruct.Date; - timeinfo.tm_year = dateStruct.Year + 100; - timeinfo.tm_hour = timeStruct.Hours; - timeinfo.tm_min = timeStruct.Minutes; - timeinfo.tm_sec = timeStruct.Seconds; - - // Convert to timestamp - time_t t = mktime(&timeinfo); - - return t; -} - -void rtc_write(time_t t) -{ - RTC_DateTypeDef dateStruct; - RTC_TimeTypeDef timeStruct; - - RtcHandle.Instance = RTC; - - // Convert the time into a tm - struct tm *timeinfo = localtime(&t); - - // Fill RTC structures - dateStruct.WeekDay = timeinfo->tm_wday; - dateStruct.Month = timeinfo->tm_mon + 1; - dateStruct.Date = timeinfo->tm_mday; - dateStruct.Year = timeinfo->tm_year - 100; - timeStruct.Hours = timeinfo->tm_hour; - timeStruct.Minutes = timeinfo->tm_min; - timeStruct.Seconds = timeinfo->tm_sec; - timeStruct.TimeFormat = RTC_HOURFORMAT12_PM; - timeStruct.DayLightSaving = RTC_DAYLIGHTSAVING_NONE; - timeStruct.StoreOperation = RTC_STOREOPERATION_RESET; - - // Change the RTC current date/time - HAL_RTC_SetDate(&RtcHandle, &dateStruct, FORMAT_BIN); - HAL_RTC_SetTime(&RtcHandle, &timeStruct, FORMAT_BIN); -} - -#endif
--- a/targets/hal/TARGET_STM/TARGET_DISCO_F051R8/serial_api.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,322 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#include "mbed_assert.h" -#include "serial_api.h" - -#if DEVICE_SERIAL - -#include "cmsis.h" -#include "pinmap.h" -#include <string.h> -#include "PeripheralPins.h" - -#define UART_NUM (2) - -static uint32_t serial_irq_ids[UART_NUM] = {0, 0}; - -static uart_irq_handler irq_handler; - -UART_HandleTypeDef UartHandle; - -int stdio_uart_inited = 0; -serial_t stdio_uart; - -static void init_uart(serial_t *obj) -{ - UartHandle.Instance = (USART_TypeDef *)(obj->uart); - - UartHandle.Init.BaudRate = obj->baudrate; - UartHandle.Init.WordLength = obj->databits; - UartHandle.Init.StopBits = obj->stopbits; - UartHandle.Init.Parity = obj->parity; - UartHandle.Init.HwFlowCtl = UART_HWCONTROL_NONE; - - if (obj->pin_rx == NC) { - UartHandle.Init.Mode = UART_MODE_TX; - } else if (obj->pin_tx == NC) { - UartHandle.Init.Mode = UART_MODE_RX; - } else { - UartHandle.Init.Mode = UART_MODE_TX_RX; - } - - // Disable the reception overrun detection - UartHandle.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_RXOVERRUNDISABLE_INIT; - UartHandle.AdvancedInit.OverrunDisable = UART_ADVFEATURE_OVERRUN_DISABLE; - - HAL_UART_Init(&UartHandle); -} - -void serial_init(serial_t *obj, PinName tx, PinName rx) -{ - // Determine the UART to use (UART_1, UART_2, ...) - UARTName uart_tx = (UARTName)pinmap_peripheral(tx, PinMap_UART_TX); - UARTName uart_rx = (UARTName)pinmap_peripheral(rx, PinMap_UART_RX); - - // Get the peripheral name (UART_1, UART_2, ...) from the pin and assign it to the object - obj->uart = (UARTName)pinmap_merge(uart_tx, uart_rx); - MBED_ASSERT(obj->uart != (UARTName)NC); - - // Enable USART clock - if (obj->uart == UART_1) { - __USART1_CLK_ENABLE(); - obj->index = 0; - } - if (obj->uart == UART_2) { - __USART2_CLK_ENABLE(); - obj->index = 1; - } - - // Configure the UART pins - pinmap_pinout(tx, PinMap_UART_TX); - pinmap_pinout(rx, PinMap_UART_RX); - if (tx != NC) { - pin_mode(tx, PullUp); - } - if (rx != NC) { - pin_mode(rx, PullUp); - } - - // Configure UART - obj->baudrate = 9600; - obj->databits = UART_WORDLENGTH_8B; - obj->stopbits = UART_STOPBITS_1; - obj->parity = UART_PARITY_NONE; - - obj->pin_tx = tx; - obj->pin_rx = rx; - - init_uart(obj); - - // For stdio management - if (obj->uart == STDIO_UART) { - stdio_uart_inited = 1; - memcpy(&stdio_uart, obj, sizeof(serial_t)); - } -} - -void serial_free(serial_t *obj) -{ - // Reset UART and disable clock - if (obj->uart == UART_1) { - __USART1_FORCE_RESET(); - __USART1_RELEASE_RESET(); - __USART1_CLK_DISABLE(); - } - if (obj->uart == UART_2) { - __USART2_FORCE_RESET(); - __USART2_RELEASE_RESET(); - __USART2_CLK_DISABLE(); - } - - // Configure GPIOs - pin_function(obj->pin_tx, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); - pin_function(obj->pin_rx, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); - - serial_irq_ids[obj->index] = 0; -} - -void serial_baud(serial_t *obj, int baudrate) -{ - obj->baudrate = baudrate; - init_uart(obj); -} - -void serial_format(serial_t *obj, int data_bits, SerialParity parity, int stop_bits) -{ - if (data_bits == 9) { - obj->databits = UART_WORDLENGTH_9B; - } else { - obj->databits = UART_WORDLENGTH_8B; - } - - switch (parity) { - case ParityOdd: - case ParityForced0: - obj->parity = UART_PARITY_ODD; - break; - case ParityEven: - case ParityForced1: - obj->parity = UART_PARITY_EVEN; - break; - default: // ParityNone - obj->parity = UART_PARITY_NONE; - break; - } - - if (stop_bits == 2) { - obj->stopbits = UART_STOPBITS_2; - } else { - obj->stopbits = UART_STOPBITS_1; - } - - init_uart(obj); -} - -/****************************************************************************** - * INTERRUPTS HANDLING - ******************************************************************************/ - -static void uart_irq(UARTName name, int id) -{ - UartHandle.Instance = (USART_TypeDef *)name; - if (serial_irq_ids[id] != 0) { - if (__HAL_UART_GET_FLAG(&UartHandle, UART_FLAG_TC) != RESET) { - irq_handler(serial_irq_ids[id], TxIrq); - __HAL_UART_CLEAR_IT(&UartHandle, UART_FLAG_TC); - } - if (__HAL_UART_GET_FLAG(&UartHandle, UART_FLAG_RXNE) != RESET) { - irq_handler(serial_irq_ids[id], RxIrq); - volatile uint32_t tmpval = UartHandle.Instance->RDR; // Clear RXNE bit - } - } -} - -static void uart1_irq(void) -{ - uart_irq(UART_1, 0); -} - -static void uart2_irq(void) -{ - uart_irq(UART_2, 1); -} - -void serial_irq_handler(serial_t *obj, uart_irq_handler handler, uint32_t id) -{ - irq_handler = handler; - serial_irq_ids[obj->index] = id; -} - -void serial_irq_set(serial_t *obj, SerialIrq irq, uint32_t enable) -{ - IRQn_Type irq_n = (IRQn_Type)0; - uint32_t vector = 0; - - UartHandle.Instance = (USART_TypeDef *)(obj->uart); - - if (obj->uart == UART_1) { - irq_n = USART1_IRQn; - vector = (uint32_t)&uart1_irq; - } - - if (obj->uart == UART_2) { - irq_n = USART2_IRQn; - vector = (uint32_t)&uart2_irq; - } - - if (enable) { - - if (irq == RxIrq) { - __HAL_UART_ENABLE_IT(&UartHandle, UART_IT_RXNE); - } else { // TxIrq - __HAL_UART_ENABLE_IT(&UartHandle, UART_IT_TC); - } - - NVIC_SetVector(irq_n, vector); - NVIC_EnableIRQ(irq_n); - - } else { // disable - - int all_disabled = 0; - - if (irq == RxIrq) { - __HAL_UART_DISABLE_IT(&UartHandle, UART_IT_RXNE); - // Check if TxIrq is disabled too - if ((UartHandle.Instance->CR1 & USART_CR1_TCIE) == 0) all_disabled = 1; - } else { // TxIrq - __HAL_UART_DISABLE_IT(&UartHandle, UART_IT_TC); - // Check if RxIrq is disabled too - if ((UartHandle.Instance->CR1 & USART_CR1_RXNEIE) == 0) all_disabled = 1; - } - - if (all_disabled) NVIC_DisableIRQ(irq_n); - - } -} - -/****************************************************************************** - * READ/WRITE - ******************************************************************************/ - -int serial_getc(serial_t *obj) -{ - USART_TypeDef *uart = (USART_TypeDef *)(obj->uart); - while (!serial_readable(obj)); - return (int)(uart->RDR & (uint16_t)0xFF); -} - -void serial_putc(serial_t *obj, int c) -{ - USART_TypeDef *uart = (USART_TypeDef *)(obj->uart); - while (!serial_writable(obj)); - uart->TDR = (uint32_t)(c & (uint16_t)0xFF); -} - -int serial_readable(serial_t *obj) -{ - int status; - UartHandle.Instance = (USART_TypeDef *)(obj->uart); - // Check if data is received - status = ((__HAL_UART_GET_FLAG(&UartHandle, UART_FLAG_RXNE) != RESET) ? 1 : 0); - return status; -} - -int serial_writable(serial_t *obj) -{ - int status; - UartHandle.Instance = (USART_TypeDef *)(obj->uart); - // Check if data is transmitted - status = ((__HAL_UART_GET_FLAG(&UartHandle, UART_FLAG_TXE) != RESET) ? 1 : 0); - return status; -} - -void serial_clear(serial_t *obj) -{ - UartHandle.Instance = (USART_TypeDef *)(obj->uart); - __HAL_UART_CLEAR_IT(&UartHandle, UART_FLAG_TC); - __HAL_UART_SEND_REQ(&UartHandle, UART_RXDATA_FLUSH_REQUEST); -} - -void serial_pinout_tx(PinName tx) -{ - pinmap_pinout(tx, PinMap_UART_TX); -} - -void serial_break_set(serial_t *obj) -{ - // [TODO] -} - -void serial_break_clear(serial_t *obj) -{ - // [TODO] -} - -#endif
--- a/targets/hal/TARGET_STM/TARGET_DISCO_F051R8/sleep.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,59 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#include "sleep_api.h" - -#if DEVICE_SLEEP - -#include "cmsis.h" - -void sleep(void) -{ - // Stop HAL systick - HAL_SuspendTick(); - // Request to enter SLEEP mode - HAL_PWR_EnterSLEEPMode(PWR_MAINREGULATOR_ON, PWR_SLEEPENTRY_WFI); - // Restart HAL systick - HAL_ResumeTick(); -} - -void deepsleep(void) -{ - // Request to enter STOP mode with regulator in low power mode - HAL_PWR_EnterSTOPMode(PWR_LOWPOWERREGULATOR_ON, PWR_STOPENTRY_WFI); - - HAL_InitTick(TICK_INT_PRIORITY); - - // After wake-up from STOP reconfigure the PLL - SetSysClock(); - - HAL_InitTick(TICK_INT_PRIORITY); -} - -#endif
--- a/targets/hal/TARGET_STM/TARGET_DISCO_F051R8/spi_api.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,297 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#include "mbed_assert.h" -#include "spi_api.h" - -#if DEVICE_SPI - -#include <math.h> -#include "cmsis.h" -#include "pinmap.h" -#include "PeripheralPins.h" - -static SPI_HandleTypeDef SpiHandle; - -static void init_spi(spi_t *obj) -{ - SpiHandle.Instance = (SPI_TypeDef *)(obj->spi); - - __HAL_SPI_DISABLE(&SpiHandle); - - SpiHandle.Init.Mode = obj->mode; - SpiHandle.Init.BaudRatePrescaler = obj->br_presc; - SpiHandle.Init.Direction = SPI_DIRECTION_2LINES; - SpiHandle.Init.CLKPhase = obj->cpha; - SpiHandle.Init.CLKPolarity = obj->cpol; - SpiHandle.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLED; - SpiHandle.Init.CRCPolynomial = 7; - SpiHandle.Init.DataSize = obj->bits; - SpiHandle.Init.FirstBit = SPI_FIRSTBIT_MSB; - SpiHandle.Init.NSS = obj->nss; - SpiHandle.Init.TIMode = SPI_TIMODE_DISABLED; - - HAL_SPI_Init(&SpiHandle); - - __HAL_SPI_ENABLE(&SpiHandle); -} - -void spi_init(spi_t *obj, PinName mosi, PinName miso, PinName sclk, PinName ssel) -{ - // Determine the SPI to use - SPIName spi_mosi = (SPIName)pinmap_peripheral(mosi, PinMap_SPI_MOSI); - SPIName spi_miso = (SPIName)pinmap_peripheral(miso, PinMap_SPI_MISO); - SPIName spi_sclk = (SPIName)pinmap_peripheral(sclk, PinMap_SPI_SCLK); - SPIName spi_ssel = (SPIName)pinmap_peripheral(ssel, PinMap_SPI_SSEL); - - SPIName spi_data = (SPIName)pinmap_merge(spi_mosi, spi_miso); - SPIName spi_cntl = (SPIName)pinmap_merge(spi_sclk, spi_ssel); - - obj->spi = (SPIName)pinmap_merge(spi_data, spi_cntl); - MBED_ASSERT(obj->spi != (SPIName)NC); - - // Enable SPI clock - if (obj->spi == SPI_1) { - __SPI1_CLK_ENABLE(); - } - if (obj->spi == SPI_2) { - __SPI2_CLK_ENABLE(); - } - - // Configure the SPI pins - pinmap_pinout(mosi, PinMap_SPI_MOSI); - pinmap_pinout(miso, PinMap_SPI_MISO); - pinmap_pinout(sclk, PinMap_SPI_SCLK); - - // Save new values - obj->bits = SPI_DATASIZE_8BIT; - obj->cpol = SPI_POLARITY_LOW; - obj->cpha = SPI_PHASE_1EDGE; - obj->br_presc = SPI_BAUDRATEPRESCALER_256; - - obj->pin_miso = miso; - obj->pin_mosi = mosi; - obj->pin_sclk = sclk; - obj->pin_ssel = ssel; - - if (ssel == NC) { // SW NSS Master mode - obj->mode = SPI_MODE_MASTER; - obj->nss = SPI_NSS_SOFT; - } else { // Slave - pinmap_pinout(ssel, PinMap_SPI_SSEL); - obj->mode = SPI_MODE_SLAVE; - obj->nss = SPI_NSS_HARD_INPUT; - } - - init_spi(obj); -} - -void spi_free(spi_t *obj) -{ - // Reset SPI and disable clock - if (obj->spi == SPI_1) { - __SPI1_FORCE_RESET(); - __SPI1_RELEASE_RESET(); - __SPI1_CLK_DISABLE(); - } - - if (obj->spi == SPI_2) { - __SPI2_FORCE_RESET(); - __SPI2_RELEASE_RESET(); - __SPI2_CLK_DISABLE(); - } - - // Configure GPIOs - pin_function(obj->pin_miso, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); - pin_function(obj->pin_mosi, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); - pin_function(obj->pin_sclk, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); - pin_function(obj->pin_ssel, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); -} - -void spi_format(spi_t *obj, int bits, int mode, int slave) -{ - // Save new values - if (bits == 16) { - obj->bits = SPI_DATASIZE_16BIT; - } else { - obj->bits = SPI_DATASIZE_8BIT; - } - - switch (mode) { - case 0: - obj->cpol = SPI_POLARITY_LOW; - obj->cpha = SPI_PHASE_1EDGE; - break; - case 1: - obj->cpol = SPI_POLARITY_LOW; - obj->cpha = SPI_PHASE_2EDGE; - break; - case 2: - obj->cpol = SPI_POLARITY_HIGH; - obj->cpha = SPI_PHASE_1EDGE; - break; - default: - obj->cpol = SPI_POLARITY_HIGH; - obj->cpha = SPI_PHASE_2EDGE; - break; - } - - if (slave == 0) { - obj->mode = SPI_MODE_MASTER; - obj->nss = SPI_NSS_SOFT; - } else { - obj->mode = SPI_MODE_SLAVE; - obj->nss = SPI_NSS_HARD_INPUT; - } - - init_spi(obj); -} - -void spi_frequency(spi_t *obj, int hz) -{ - // Note: The frequencies are obtained with SPI clock = 48 MHz (APB clock) - if (hz < 375000) { - obj->br_presc = SPI_BAUDRATEPRESCALER_256; // 188 kHz - } else if ((hz >= 375000) && (hz < 750000)) { - obj->br_presc = SPI_BAUDRATEPRESCALER_128; // 375 kHz - } else if ((hz >= 750000) && (hz < 1000000)) { - obj->br_presc = SPI_BAUDRATEPRESCALER_64; // 750 kHz - } else if ((hz >= 1000000) && (hz < 3000000)) { - obj->br_presc = SPI_BAUDRATEPRESCALER_32; // 1.5 MHz - } else if ((hz >= 3000000) && (hz < 6000000)) { - obj->br_presc = SPI_BAUDRATEPRESCALER_16; // 3 MHz - } else if ((hz >= 6000000) && (hz < 12000000)) { - obj->br_presc = SPI_BAUDRATEPRESCALER_8; // 6 MHz - } else if ((hz >= 12000000) && (hz < 24000000)) { - obj->br_presc = SPI_BAUDRATEPRESCALER_4; // 12 MHz - } else { // >= 24000000 - obj->br_presc = SPI_BAUDRATEPRESCALER_2; // 24 MHz - } - init_spi(obj); -} - -static inline int ssp_readable(spi_t *obj) -{ - int status; - SpiHandle.Instance = (SPI_TypeDef *)(obj->spi); - // Check if data is received - status = ((__HAL_SPI_GET_FLAG(&SpiHandle, SPI_FLAG_RXNE) != RESET) ? 1 : 0); - return status; -} - -static inline int ssp_writeable(spi_t *obj) -{ - int status; - SpiHandle.Instance = (SPI_TypeDef *)(obj->spi); - // Check if data is transmitted - status = ((__HAL_SPI_GET_FLAG(&SpiHandle, SPI_FLAG_TXE) != RESET) ? 1 : 0); - return status; -} - -static inline void ssp_write(spi_t *obj, int value) -{ - SPI_TypeDef *spi = (SPI_TypeDef *)(obj->spi); - while (!ssp_writeable(obj)); - if (obj->bits == SPI_DATASIZE_8BIT) { - // Force 8-bit access to the data register - uint8_t *p_spi_dr = 0; - p_spi_dr = (uint8_t *) & (spi->DR); - *p_spi_dr = (uint8_t)value; - } else { // SPI_DATASIZE_16BIT - spi->DR = (uint16_t)value; - } -} - -static inline int ssp_read(spi_t *obj) -{ - SPI_TypeDef *spi = (SPI_TypeDef *)(obj->spi); - while (!ssp_readable(obj)); - if (obj->bits == SPI_DATASIZE_8BIT) { - // Force 8-bit access to the data register - uint8_t *p_spi_dr = 0; - p_spi_dr = (uint8_t *) & (spi->DR); - return (int)(*p_spi_dr); - } else { - return (int)spi->DR; - } -} - -static inline int ssp_busy(spi_t *obj) -{ - int status; - SpiHandle.Instance = (SPI_TypeDef *)(obj->spi); - status = ((__HAL_SPI_GET_FLAG(&SpiHandle, SPI_FLAG_BSY) != RESET) ? 1 : 0); - return status; -} - -int spi_master_write(spi_t *obj, int value) -{ - ssp_write(obj, value); - return ssp_read(obj); -} - -int spi_slave_receive(spi_t *obj) -{ - return ((ssp_readable(obj) && !ssp_busy(obj)) ? 1 : 0); -}; - -int spi_slave_read(spi_t *obj) -{ - SPI_TypeDef *spi = (SPI_TypeDef *)(obj->spi); - while (!ssp_readable(obj)); - if (obj->bits == SPI_DATASIZE_8BIT) { - // Force 8-bit access to the data register - uint8_t *p_spi_dr = 0; - p_spi_dr = (uint8_t *) & (spi->DR); - return (int)(*p_spi_dr); - } else { - return (int)spi->DR; - } -} - -void spi_slave_write(spi_t *obj, int value) -{ - SPI_TypeDef *spi = (SPI_TypeDef *)(obj->spi); - while (!ssp_writeable(obj)); - if (obj->bits == SPI_DATASIZE_8BIT) { - // Force 8-bit access to the data register - uint8_t *p_spi_dr = 0; - p_spi_dr = (uint8_t *) & (spi->DR); - *p_spi_dr = (uint8_t)value; - } else { // SPI_DATASIZE_16BIT - spi->DR = (uint16_t)value; - } -} - -int spi_busy(spi_t *obj) -{ - return ssp_busy(obj); -} - -#endif
--- a/targets/hal/TARGET_STM/TARGET_DISCO_F051R8/us_ticker.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,179 +0,0 @@ -/* mbed Microcontroller Library - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ -#include <stddef.h> -#include "us_ticker_api.h" -#include "PeripheralNames.h" - -// Timer selection: -#define TIM_MST TIM1 -#define TIM_MST_UP_IRQ TIM1_BRK_UP_TRG_COM_IRQn -#define TIM_MST_OC_IRQ TIM1_CC_IRQn -#define TIM_MST_RCC __TIM1_CLK_ENABLE() - -static TIM_HandleTypeDef TimMasterHandle; - - -static int us_ticker_inited = 0; -static volatile uint32_t SlaveCounter = 0; -static volatile uint32_t oc_int_part = 0; -static volatile uint16_t oc_rem_part = 0; - -void set_compare(uint16_t count) -{ - TimMasterHandle.Instance = TIM_MST; - - // Set new output compare value - __HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_1, count); - // Enable IT - __HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC1); -} - -// Used to increment the slave counter -static void tim_update_irq_handler(void) -{ - TimMasterHandle.Instance = TIM_MST; - - // Clear Update interrupt flag - if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_UPDATE) == SET) { - __HAL_TIM_CLEAR_FLAG(&TimMasterHandle, TIM_FLAG_UPDATE); - SlaveCounter++; - } -} - -// Used by interrupt system -static void tim_oc_irq_handler(void) -{ - uint16_t cval = TIM_MST->CNT; - TimMasterHandle.Instance = TIM_MST; - - // Clear CC1 interrupt flag - if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC1) == SET) { - __HAL_TIM_CLEAR_FLAG(&TimMasterHandle, TIM_FLAG_CC1); - } - - if (oc_rem_part > 0) { - set_compare(oc_rem_part); // Finish the remaining time left - oc_rem_part = 0; - } else { - if (oc_int_part > 0) { - set_compare(0xFFFF); - oc_rem_part = cval; // To finish the counter loop the next time - oc_int_part--; - } else { - us_ticker_irq_handler(); - } - } -} - -void us_ticker_init(void) -{ - - if (us_ticker_inited) return; - us_ticker_inited = 1; - - // Enable timer clock - TIM_MST_RCC; - - // Configure time base - TimMasterHandle.Instance = TIM_MST; - TimMasterHandle.Init.Period = 0xFFFF; - TimMasterHandle.Init.Prescaler = (uint32_t)(SystemCoreClock / 1000000) - 1; // 1 �s tick - TimMasterHandle.Init.ClockDivision = 0; - TimMasterHandle.Init.CounterMode = TIM_COUNTERMODE_UP; - HAL_TIM_Base_Init(&TimMasterHandle); - - // Configure interrupts - __HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_UPDATE); - - // Update interrupt used for 32-bit counter - NVIC_SetVector(TIM_MST_UP_IRQ, (uint32_t)tim_update_irq_handler); - NVIC_EnableIRQ(TIM_MST_UP_IRQ); - - // Output compare interrupt used for timeout feature - NVIC_SetVector(TIM_MST_OC_IRQ, (uint32_t)tim_oc_irq_handler); - NVIC_EnableIRQ(TIM_MST_OC_IRQ); - - // Enable timer - HAL_TIM_Base_Start(&TimMasterHandle); -} - -uint32_t us_ticker_read() -{ - uint32_t counter, counter2; - if (!us_ticker_inited) us_ticker_init(); - // A situation might appear when Master overflows right after Slave is read and before the - // new (overflowed) value of Master is read. Which would make the code below consider the - // previous (incorrect) value of Slave and the new value of Master, which would return a - // value in the past. Avoid this by computing consecutive values of the timer until they - // are properly ordered. - counter = (uint32_t)(SlaveCounter << 16); - counter += TIM_MST->CNT; - while (1) { - counter2 = (uint32_t)(SlaveCounter << 16); - counter2 += TIM_MST->CNT; - if (counter2 > counter) { - break; - } - counter = counter2; - } - return counter2; -} - -void us_ticker_set_interrupt(timestamp_t timestamp) -{ - int delta = (int)((uint32_t)timestamp - us_ticker_read()); - uint16_t cval = TIM_MST->CNT; - - if (delta <= 0) { // This event was in the past - us_ticker_irq_handler(); - } else { - oc_int_part = (uint32_t)(delta >> 16); - oc_rem_part = (uint16_t)(delta & 0xFFFF); - if (oc_rem_part <= (0xFFFF - cval)) { - set_compare(cval + oc_rem_part); - oc_rem_part = 0; - } else { - set_compare(0xFFFF); - oc_rem_part = oc_rem_part - (0xFFFF - cval); - } - } -} - -void us_ticker_disable_interrupt(void) -{ - TimMasterHandle.Instance = TIM_MST; - __HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC1); -} - -void us_ticker_clear_interrupt(void) -{ - TimMasterHandle.Instance = TIM_MST; - if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC1) == SET) { - __HAL_TIM_CLEAR_FLAG(&TimMasterHandle, TIM_FLAG_CC1); - } -}
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F030R8/PeripheralNames.h Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,75 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#ifndef MBED_PERIPHERALNAMES_H -#define MBED_PERIPHERALNAMES_H - -#include "cmsis.h" - -#ifdef __cplusplus -extern "C" { -#endif - -typedef enum { - ADC_1 = (int)ADC1_BASE, - ADC_2 = (int)ADC_BASE -} ADCName; - -typedef enum { - UART_1 = (int)USART1_BASE, - UART_2 = (int)USART2_BASE -} UARTName; - -#define STDIO_UART_TX PA_2 -#define STDIO_UART_RX PA_3 -#define STDIO_UART UART_2 - -typedef enum { - SPI_1 = (int)SPI1_BASE, - SPI_2 = (int)SPI2_BASE -} SPIName; - -typedef enum { - I2C_1 = (int)I2C1_BASE, - I2C_2 = (int)I2C2_BASE -} I2CName; - -typedef enum { - PWM_3 = (int)TIM3_BASE, - PWM_14 = (int)TIM14_BASE, - PWM_15 = (int)TIM15_BASE, - PWM_16 = (int)TIM16_BASE, - PWM_17 = (int)TIM17_BASE -} PWMName; - -#ifdef __cplusplus -} -#endif - -#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F030R8/PeripheralPins.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,151 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ - -#include "PeripheralPins.h" - -// ===== -// Note: Commented lines are alternative possibilities which are not used per default. -// If you change them, you will have also to modify the corresponding xxx_api.c file -// for pwmout, analogin, analogout, ... -// ===== - -//*** ADC *** - -const PinMap PinMap_ADC[] = { - {PA_0, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN0 - {PA_1, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN1 - {PA_2, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN2 - {PA_3, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN3 - {PA_4, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN4 - {PA_5, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN5 - {PA_6, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN6 - {PA_7, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN7 - {PB_0, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN8 - {PB_1, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN9 - {PC_0, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN10 - {PC_1, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN11 - {PC_2, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN12 - {PC_3, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN13 - {PC_4, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN14 - {PC_5, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN15 - {NC, NC, 0} -}; - -//*** I2C *** - -const PinMap PinMap_I2C_SDA[] = { - {PB_7, I2C_1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C1)}, - {PB_9, I2C_1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C1)}, - {PB_11, I2C_2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C2)}, - {NC, NC, 0} -}; - -const PinMap PinMap_I2C_SCL[] = { - {PB_6, I2C_1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C1)}, - {PB_8, I2C_1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C1)}, - {PB_10, I2C_2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C2)}, - {NC, NC, 0} -}; - -//*** PWM *** - -// TIM1 cannot be used because already used by the us_ticker -const PinMap PinMap_PWM[] = { - {PA_4, PWM_14, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF4_TIM14)}, // TIM14_CH1 - {PA_6, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF1_TIM3)}, // TIM3_CH1 -// {PA_6, PWM_16, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF5_TIM16)}, // TIM16_CH1 - {PA_7, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF1_TIM3)}, // TIM3_CH2 -// {PA_7, PWM_14, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF4_TIM14)}, // TIM14_CH1 -// {PA_7, PWM_17, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF5_TIM17)}, // TIM17_CH1 - {PB_0, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF1_TIM3)}, // TIM3_CH3 - {PB_1, PWM_14, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF0_TIM14)}, // TIM14_CH1 -// {PB_1, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF1_TIM3)}, // TIM3_CH4 - {PB_4, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF1_TIM3)}, // TIM3_CH1 - {PB_5, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF1_TIM3)}, // TIM3_CH2 - {PB_6, PWM_16, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF2_TIM16)}, // TIM16_CH1N - {PB_7, PWM_17, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF2_TIM17)}, // TIM17_CH1N - {PB_8, PWM_16, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF2_TIM16)}, // TIM16_CH1 - {PB_9, PWM_17, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF2_TIM17)}, // TIM17_CH1 - {PB_14, PWM_15, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF1_TIM15)}, // TIM15_CH1 - {PB_15, PWM_15, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF1_TIM15)}, // TIM15_CH2 -// {PB_15, PWM_15, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF3_TIM15)}, // TIM15_CH1N - {PC_6, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF1_TIM3)}, // TIM3_CH1 - {PC_7, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF1_TIM3)}, // TIM3_CH2 - {PC_8, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF1_TIM3)}, // TIM3_CH3 - {PC_9, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF1_TIM3)}, // TIM3_CH4 - {NC, NC, 0} -}; - -//*** SERIAL *** - -const PinMap PinMap_UART_TX[] = { - {PA_2, UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART2)}, - {PA_9, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART1)}, - {PB_6, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_USART1)}, - {NC, NC, 0} -}; - -const PinMap PinMap_UART_RX[] = { - {PA_3, UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART2)}, - {PA_10, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART1)}, - {PA_15, UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART2)}, - {PB_7, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_USART1)}, - {NC, NC, 0} -}; - -//*** SPI *** - -const PinMap PinMap_SPI_MOSI[] = { - {PA_7, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF0_SPI1)}, - {PB_5, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF0_SPI1)}, - {PB_15, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF0_SPI2)}, - {NC, NC, 0} -}; - -const PinMap PinMap_SPI_MISO[] = { - {PA_6, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF0_SPI1)}, - {PB_4, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF0_SPI1)}, - {PB_14, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF0_SPI2)}, - {NC, NC, 0} -}; - -const PinMap PinMap_SPI_SCLK[] = { - {PA_5, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF0_SPI1)}, - {PB_3, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF0_SPI1)}, - {PB_13, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLDOWN, GPIO_AF0_SPI2)}, - {NC, NC, 0} -}; - -const PinMap PinMap_SPI_SSEL[] = { - {PA_4, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF0_SPI1)}, - {PA_15, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF0_SPI1)}, - {PB_12, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF0_SPI2)}, - {NC, NC, 0} -};
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F030R8/PeripheralPins.h Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,62 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ - -#ifndef MBED_PERIPHERALPINS_H -#define MBED_PERIPHERALPINS_H - -#include "pinmap.h" -#include "PeripheralNames.h" - -//*** ADC *** - -extern const PinMap PinMap_ADC[]; - -//*** I2C *** - -extern const PinMap PinMap_I2C_SDA[]; -extern const PinMap PinMap_I2C_SCL[]; - -//*** PWM *** - -extern const PinMap PinMap_PWM[]; - -//*** SERIAL *** - -extern const PinMap PinMap_UART_TX[]; -extern const PinMap PinMap_UART_RX[]; - -//*** SPI *** - -extern const PinMap PinMap_SPI_MOSI[]; -extern const PinMap PinMap_SPI_MISO[]; -extern const PinMap PinMap_SPI_SCLK[]; -extern const PinMap PinMap_SPI_SSEL[]; - -#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F030R8/PinNames.h Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,188 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#ifndef MBED_PINNAMES_H -#define MBED_PINNAMES_H - -#include "cmsis.h" - -#ifdef __cplusplus -extern "C" { -#endif - -// See stm32f0xx_hal_gpio.h and stm32f0xx_hal_gpio_ex.h for values of MODE, PUPD and AFNUM -#define STM_PIN_DATA(MODE, PUPD, AFNUM) ((int)(((AFNUM) << 7) | ((PUPD) << 4) | ((MODE) << 0))) -#define STM_PIN_MODE(X) (((X) >> 0) & 0x0F) -#define STM_PIN_PUPD(X) (((X) >> 4) & 0x07) -#define STM_PIN_AFNUM(X) (((X) >> 7) & 0x0F) -#define STM_MODE_INPUT (0) -#define STM_MODE_OUTPUT_PP (1) -#define STM_MODE_OUTPUT_OD (2) -#define STM_MODE_AF_PP (3) -#define STM_MODE_AF_OD (4) -#define STM_MODE_ANALOG (5) -#define STM_MODE_IT_RISING (6) -#define STM_MODE_IT_FALLING (7) -#define STM_MODE_IT_RISING_FALLING (8) -#define STM_MODE_EVT_RISING (9) -#define STM_MODE_EVT_FALLING (10) -#define STM_MODE_EVT_RISING_FALLING (11) -#define STM_MODE_IT_EVT_RESET (12) - -// High nibble = port number (0=A, 1=B, 2=C, 3=D, 4=E, 5=F, 6=G, 7=H) -// Low nibble = pin number -#define STM_PORT(X) (((uint32_t)(X) >> 4) & 0xF) -#define STM_PIN(X) ((uint32_t)(X) & 0xF) - -typedef enum { - PIN_INPUT, - PIN_OUTPUT -} PinDirection; - -typedef enum { - PA_0 = 0x00, - PA_1 = 0x01, - PA_2 = 0x02, - PA_3 = 0x03, - PA_4 = 0x04, - PA_5 = 0x05, - PA_6 = 0x06, - PA_7 = 0x07, - PA_8 = 0x08, - PA_9 = 0x09, - PA_10 = 0x0A, - PA_11 = 0x0B, - PA_12 = 0x0C, - PA_13 = 0x0D, - PA_14 = 0x0E, - PA_15 = 0x0F, - - PB_0 = 0x10, - PB_1 = 0x11, - PB_2 = 0x12, - PB_3 = 0x13, - PB_4 = 0x14, - PB_5 = 0x15, - PB_6 = 0x16, - PB_7 = 0x17, - PB_8 = 0x18, - PB_9 = 0x19, - PB_10 = 0x1A, - PB_11 = 0x1B, - PB_12 = 0x1C, - PB_13 = 0x1D, - PB_14 = 0x1E, - PB_15 = 0x1F, - - PC_0 = 0x20, - PC_1 = 0x21, - PC_2 = 0x22, - PC_3 = 0x23, - PC_4 = 0x24, - PC_5 = 0x25, - PC_6 = 0x26, - PC_7 = 0x27, - PC_8 = 0x28, - PC_9 = 0x29, - PC_10 = 0x2A, - PC_11 = 0x2B, - PC_12 = 0x2C, - PC_13 = 0x2D, - PC_14 = 0x2E, - PC_15 = 0x2F, - - PD_2 = 0x32, - - PF_0 = 0x50, - PF_1 = 0x51, - PF_4 = 0x54, - PF_5 = 0x55, - PF_6 = 0x56, - PF_7 = 0x57, - - - // Arduino connector namings - A0 = PA_0, - A1 = PA_1, - A2 = PA_4, - A3 = PB_0, - A4 = PC_1, - A5 = PC_0, - D0 = PA_3, - D1 = PA_2, - D2 = PA_10, - D3 = PB_3, - D4 = PB_5, - D5 = PB_4, - D6 = PB_10, - D7 = PA_8, - D8 = PA_9, - D9 = PC_7, - D10 = PB_6, - D11 = PA_7, - D12 = PA_6, - D13 = PA_5, - D14 = PB_9, - D15 = PB_8, - - // Generic signals namings - LED1 = PA_5, - LED2 = PA_5, - LED3 = PA_5, - LED4 = PA_5, - USER_BUTTON = PC_13, - SERIAL_TX = PA_2, - SERIAL_RX = PA_3, - USBTX = PA_2, - USBRX = PA_3, - I2C_SCL = PB_8, - I2C_SDA = PB_9, - SPI_MOSI = PA_7, - SPI_MISO = PA_6, - SPI_SCK = PA_5, - SPI_CS = PB_6, - PWM_OUT = PC_7, - - // Not connected - NC = (int)0xFFFFFFFF -} PinName; - -typedef enum { - PullNone = 0, - PullUp = 1, - PullDown = 2, - OpenDrain = 3, - PullDefault = PullNone -} PinMode; - -#ifdef __cplusplus -} -#endif - -#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F030R8/PortNames.h Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,48 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#ifndef MBED_PORTNAMES_H -#define MBED_PORTNAMES_H - -#ifdef __cplusplus -extern "C" { -#endif - -typedef enum { - PortA = 0, - PortB = 1, - PortC = 2, - PortD = 3, - PortF = 5 -} PortName; - -#ifdef __cplusplus -} -#endif -#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F030R8/analogin_api.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,175 +0,0 @@ -/* mbed Microcontroller Library - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ -#include "mbed_assert.h" -#include "analogin_api.h" - -#if DEVICE_ANALOGIN - -#include "wait_api.h" -#include "cmsis.h" -#include "pinmap.h" -#include "PeripheralPins.h" - -ADC_HandleTypeDef AdcHandle; - -int adc_inited = 0; - -void analogin_init(analogin_t *obj, PinName pin) -{ - // Get the peripheral name from the pin and assign it to the object - obj->adc = (ADCName)pinmap_peripheral(pin, PinMap_ADC); - MBED_ASSERT(obj->adc != (ADCName)NC); - - // Configure GPIO - pinmap_pinout(pin, PinMap_ADC); - - // Save pin number for the read function - obj->pin = pin; - - // The ADC initialization is done once - if (adc_inited == 0) { - adc_inited = 1; - - // Enable ADC clock - __ADC1_CLK_ENABLE(); - - // Configure ADC - AdcHandle.Instance = (ADC_TypeDef *)(obj->adc); - AdcHandle.Init.ClockPrescaler = ADC_CLOCK_SYNC_PCLK_DIV4; - AdcHandle.Init.Resolution = ADC_RESOLUTION12b; - AdcHandle.Init.DataAlign = ADC_DATAALIGN_RIGHT; - AdcHandle.Init.ScanConvMode = DISABLE; - AdcHandle.Init.EOCSelection = EOC_SINGLE_CONV; - AdcHandle.Init.LowPowerAutoWait = DISABLE; - AdcHandle.Init.LowPowerAutoPowerOff = DISABLE; - AdcHandle.Init.ContinuousConvMode = DISABLE; - AdcHandle.Init.DiscontinuousConvMode = DISABLE; - AdcHandle.Init.ExternalTrigConv = ADC_SOFTWARE_START; - AdcHandle.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_NONE; - AdcHandle.Init.DMAContinuousRequests = DISABLE; - AdcHandle.Init.Overrun = OVR_DATA_OVERWRITTEN; - HAL_ADC_Init(&AdcHandle); - - // Run the ADC calibration - HAL_ADCEx_Calibration_Start(&AdcHandle); - } -} - -static inline uint16_t adc_read(analogin_t *obj) -{ - ADC_ChannelConfTypeDef sConfig; - - AdcHandle.Instance = (ADC_TypeDef *)(obj->adc); - - // Configure ADC channel - sConfig.Rank = ADC_RANK_CHANNEL_NUMBER; - sConfig.SamplingTime = ADC_SAMPLETIME_7CYCLES_5; - - switch (obj->pin) { - case PA_0: - sConfig.Channel = ADC_CHANNEL_0; - break; - case PA_1: - sConfig.Channel = ADC_CHANNEL_1; - break; - case PA_2: - sConfig.Channel = ADC_CHANNEL_2; - break; - case PA_3: - sConfig.Channel = ADC_CHANNEL_3; - break; - case PA_4: - sConfig.Channel = ADC_CHANNEL_4; - break; - case PA_5: - sConfig.Channel = ADC_CHANNEL_5; - break; - case PA_6: - sConfig.Channel = ADC_CHANNEL_6; - break; - case PA_7: - sConfig.Channel = ADC_CHANNEL_7; - break; - case PB_0: - sConfig.Channel = ADC_CHANNEL_8; - break; - case PB_1: - sConfig.Channel = ADC_CHANNEL_9; - break; - case PC_0: - sConfig.Channel = ADC_CHANNEL_10; - break; - case PC_1: - sConfig.Channel = ADC_CHANNEL_11; - break; - case PC_2: - sConfig.Channel = ADC_CHANNEL_12; - break; - case PC_3: - sConfig.Channel = ADC_CHANNEL_13; - break; - case PC_4: - sConfig.Channel = ADC_CHANNEL_14; - break; - case PC_5: - sConfig.Channel = ADC_CHANNEL_15; - break; - default: - return 0; - } - - // Clear all channels as it is not done in HAL_ADC_ConfigChannel() - AdcHandle.Instance->CHSELR = 0; - - HAL_ADC_ConfigChannel(&AdcHandle, &sConfig); - - HAL_ADC_Start(&AdcHandle); // Start conversion - - // Wait end of conversion and get value - if (HAL_ADC_PollForConversion(&AdcHandle, 10) == HAL_OK) { - return (HAL_ADC_GetValue(&AdcHandle)); - } else { - return 0; - } -} - -uint16_t analogin_read_u16(analogin_t *obj) -{ - uint16_t value = adc_read(obj); - // 12-bit to 16-bit conversion - value = ((value << 4) & (uint16_t)0xFFF0) | ((value >> 8) & (uint16_t)0x000F); - return value; -} - -float analogin_read(analogin_t *obj) -{ - uint16_t value = adc_read(obj); - return (float)value * (1.0f / (float)0xFFF); // 12 bits range -} - -#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F030R8/device.h Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,70 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#ifndef MBED_DEVICE_H -#define MBED_DEVICE_H - -#define DEVICE_PORTIN 1 -#define DEVICE_PORTOUT 1 -#define DEVICE_PORTINOUT 1 - -#define DEVICE_INTERRUPTIN 1 - -#define DEVICE_ANALOGIN 1 -#define DEVICE_ANALOGOUT 0 // Not present on this device - -#define DEVICE_SERIAL 1 - -#define DEVICE_I2C 1 -#define DEVICE_I2CSLAVE 1 - -#define DEVICE_SPI 1 -#define DEVICE_SPISLAVE 1 - -#define DEVICE_RTC 1 - -#define DEVICE_PWMOUT 1 - -#define DEVICE_SLEEP 1 - -//======================================= - -#define DEVICE_SEMIHOST 0 -#define DEVICE_LOCALFILESYSTEM 0 -#define DEVICE_ID_LENGTH 24 - -#define DEVICE_DEBUG_AWARENESS 0 - -#define DEVICE_STDIO_MESSAGES 1 - -#define DEVICE_ERROR_RED 0 - -#include "objects.h" - -#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F030R8/gpio_api.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,79 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#include "mbed_assert.h" -#include "gpio_api.h" -#include "pinmap.h" -#include "mbed_error.h" - -extern uint32_t Set_GPIO_Clock(uint32_t port_idx); - -uint32_t gpio_set(PinName pin) -{ - MBED_ASSERT(pin != (PinName)NC); - - pin_function(pin, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); - - return (uint32_t)(1 << ((uint32_t)pin & 0xF)); // Return the pin mask -} - -void gpio_init(gpio_t *obj, PinName pin) -{ - obj->pin = pin; - if (pin == (PinName)NC) { - return; - } - - uint32_t port_index = STM_PORT(pin); - - // Enable GPIO clock - uint32_t gpio_add = Set_GPIO_Clock(port_index); - GPIO_TypeDef *gpio = (GPIO_TypeDef *)gpio_add; - - // Fill GPIO object structure for future use - obj->mask = gpio_set(pin); - obj->reg_in = &gpio->IDR; - obj->reg_set = &gpio->BSRR; - obj->reg_clr = &gpio->BRR; -} - -void gpio_mode(gpio_t *obj, PinMode mode) -{ - pin_mode(obj->pin, mode); -} - -void gpio_dir(gpio_t *obj, PinDirection direction) -{ - MBED_ASSERT(obj->pin != (PinName)NC); - if (direction == PIN_OUTPUT) { - pin_function(obj->pin, STM_PIN_DATA(STM_MODE_OUTPUT_PP, GPIO_NOPULL, 0)); - } else { // PIN_INPUT - pin_function(obj->pin, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); - } -}
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F030R8/gpio_irq_api.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,267 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#include <stddef.h> -#include "cmsis.h" -#include "gpio_irq_api.h" -#include "pinmap.h" -#include "mbed_error.h" - -#define EDGE_NONE (0) -#define EDGE_RISE (1) -#define EDGE_FALL (2) -#define EDGE_BOTH (3) - -// Number of EXTI irq vectors (EXTI0_1, EXTI2_3, EXTI4_15) -#define CHANNEL_NUM (3) - -// Max pins for one line (max with EXTI4_15) -#define MAX_PIN_LINE (12) - -typedef struct gpio_channel { - uint32_t pin_mask; // bitmask representing which pins are configured for receiving interrupts - uint32_t channel_ids[MAX_PIN_LINE]; // mbed "gpio_irq_t gpio_irq" field of instance - uint32_t channel_gpio[MAX_PIN_LINE]; // base address of gpio port group - uint32_t channel_pin[MAX_PIN_LINE]; // pin number in port group -} gpio_channel_t; - -static gpio_channel_t channels[CHANNEL_NUM] = { - {.pin_mask = 0}, - {.pin_mask = 0}, - {.pin_mask = 0} -}; - -// Used to return the index for channels array. -static uint32_t pin_base_nr[16] = { - // EXTI0_1 - 0, // pin 0 - 1, // pin 1 - // EXTI2_3 - 0, // pin 2 - 1, // pin 3 - // EXTI4_15 - 0, // pin 4 - 1, // pin 5 - 2, // pin 6 - 3, // pin 7 - 4, // pin 8 - 5, // pin 9 - 6, // pin 10 - 7, // pin 11 - 8, // pin 12 - 9, // pin 13 - 10, // pin 14 - 11 // pin 15 -}; - -static gpio_irq_handler irq_handler; - -static void handle_interrupt_in(uint32_t irq_index, uint32_t max_num_pin_line) -{ - gpio_channel_t *gpio_channel = &channels[irq_index]; - uint32_t gpio_idx; - - for (gpio_idx = 0; gpio_idx < max_num_pin_line; gpio_idx++) { - uint32_t current_mask = (1 << gpio_idx); - - if (gpio_channel->pin_mask & current_mask) { - // Retrieve the gpio and pin that generate the irq - GPIO_TypeDef *gpio = (GPIO_TypeDef *)(gpio_channel->channel_gpio[gpio_idx]); - uint32_t pin = (uint32_t)(1 << (gpio_channel->channel_pin[gpio_idx])); - - // Clear interrupt flag - if (__HAL_GPIO_EXTI_GET_FLAG(pin) != RESET) { - __HAL_GPIO_EXTI_CLEAR_FLAG(pin); - - if (gpio_channel->channel_ids[gpio_idx] == 0) continue; - - // Check which edge has generated the irq - if ((gpio->IDR & pin) == 0) { - irq_handler(gpio_channel->channel_ids[gpio_idx], IRQ_FALL); - } else { - irq_handler(gpio_channel->channel_ids[gpio_idx], IRQ_RISE); - } - } - } - } -} - -// EXTI lines 0 to 1 -static void gpio_irq0(void) -{ - handle_interrupt_in(0, 2); -} - -// EXTI lines 2 to 3 -static void gpio_irq1(void) -{ - handle_interrupt_in(1, 2); -} - -// EXTI lines 4 to 15 -static void gpio_irq2(void) -{ - handle_interrupt_in(2, 12); -} - -extern uint32_t Set_GPIO_Clock(uint32_t port_idx); - -int gpio_irq_init(gpio_irq_t *obj, PinName pin, gpio_irq_handler handler, uint32_t id) -{ - IRQn_Type irq_n = (IRQn_Type)0; - uint32_t vector = 0; - uint32_t irq_index; - gpio_channel_t *gpio_channel; - uint32_t gpio_idx; - - if (pin == NC) return -1; - - uint32_t port_index = STM_PORT(pin); - uint32_t pin_index = STM_PIN(pin); - - // Select irq number and interrupt routine - if ((pin_index == 0) || (pin_index == 1)) { - irq_n = EXTI0_1_IRQn; - vector = (uint32_t)&gpio_irq0; - irq_index = 0; - } else if ((pin_index == 2) || (pin_index == 3)) { - irq_n = EXTI2_3_IRQn; - vector = (uint32_t)&gpio_irq1; - irq_index = 1; - } else if ((pin_index > 3) && (pin_index < 16)) { - irq_n = EXTI4_15_IRQn; - vector = (uint32_t)&gpio_irq2; - irq_index = 2; - } else { - error("InterruptIn error: pin not supported.\n"); - return -1; - } - - // Enable GPIO clock - uint32_t gpio_add = Set_GPIO_Clock(port_index); - - // Configure GPIO - pin_function(pin, STM_PIN_DATA(STM_MODE_IT_FALLING, GPIO_NOPULL, 0)); - - // Enable EXTI interrupt - NVIC_SetVector(irq_n, vector); - NVIC_EnableIRQ(irq_n); - - // Save informations for future use - obj->irq_n = irq_n; - obj->irq_index = irq_index; - obj->event = EDGE_NONE; - obj->pin = pin; - - gpio_channel = &channels[irq_index]; - gpio_idx = pin_base_nr[pin_index]; - gpio_channel->pin_mask |= (1 << gpio_idx); - gpio_channel->channel_ids[gpio_idx] = id; - gpio_channel->channel_gpio[gpio_idx] = gpio_add; - gpio_channel->channel_pin[gpio_idx] = pin_index; - - irq_handler = handler; - - return 0; -} - -void gpio_irq_free(gpio_irq_t *obj) -{ - gpio_channel_t *gpio_channel = &channels[obj->irq_index]; - uint32_t pin_index = STM_PIN(obj->pin); - uint32_t gpio_idx = pin_base_nr[pin_index]; - - gpio_channel->pin_mask &= ~(1 << gpio_idx); - gpio_channel->channel_ids[gpio_idx] = 0; - gpio_channel->channel_gpio[gpio_idx] = 0; - gpio_channel->channel_pin[gpio_idx] = 0; - - // Disable EXTI line - pin_function(obj->pin, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); - obj->event = EDGE_NONE; -} - -void gpio_irq_set(gpio_irq_t *obj, gpio_irq_event event, uint32_t enable) -{ - uint32_t mode = STM_MODE_IT_EVT_RESET; - uint32_t pull = GPIO_NOPULL; - - if (enable) { - if (event == IRQ_RISE) { - if ((obj->event == EDGE_FALL) || (obj->event == EDGE_BOTH)) { - mode = STM_MODE_IT_RISING_FALLING; - obj->event = EDGE_BOTH; - } else { // NONE or RISE - mode = STM_MODE_IT_RISING; - obj->event = EDGE_RISE; - } - } - if (event == IRQ_FALL) { - if ((obj->event == EDGE_RISE) || (obj->event == EDGE_BOTH)) { - mode = STM_MODE_IT_RISING_FALLING; - obj->event = EDGE_BOTH; - } else { // NONE or FALL - mode = STM_MODE_IT_FALLING; - obj->event = EDGE_FALL; - } - } - } else { // Disable - if (event == IRQ_RISE) { - if ((obj->event == EDGE_FALL) || (obj->event == EDGE_BOTH)) { - mode = STM_MODE_IT_FALLING; - obj->event = EDGE_FALL; - } else { // NONE or RISE - mode = STM_MODE_IT_EVT_RESET; - obj->event = EDGE_NONE; - } - } - if (event == IRQ_FALL) { - if ((obj->event == EDGE_RISE) || (obj->event == EDGE_BOTH)) { - mode = STM_MODE_IT_RISING; - obj->event = EDGE_RISE; - } else { // NONE or FALL - mode = STM_MODE_IT_EVT_RESET; - obj->event = EDGE_NONE; - } - } - } - - pin_function(obj->pin, STM_PIN_DATA(mode, pull, 0)); -} - -void gpio_irq_enable(gpio_irq_t *obj) -{ - NVIC_EnableIRQ(obj->irq_n); -} - -void gpio_irq_disable(gpio_irq_t *obj) -{ - NVIC_DisableIRQ(obj->irq_n); - obj->event = EDGE_NONE; -}
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F030R8/gpio_object.h Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,75 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#ifndef MBED_GPIO_OBJECT_H -#define MBED_GPIO_OBJECT_H - -#include "mbed_assert.h" -#include "cmsis.h" -#include "PortNames.h" -#include "PeripheralNames.h" -#include "PinNames.h" - -#ifdef __cplusplus -extern "C" { -#endif - -typedef struct { - PinName pin; - uint32_t mask; - __IO uint32_t *reg_in; - __IO uint32_t *reg_set; - __IO uint32_t *reg_clr; -} gpio_t; - -static inline void gpio_write(gpio_t *obj, int value) -{ - MBED_ASSERT(obj->pin != (PinName)NC); - if (value) { - *obj->reg_set = obj->mask; - } else { - *obj->reg_clr = obj->mask; - } -} - -static inline int gpio_read(gpio_t *obj) -{ - MBED_ASSERT(obj->pin != (PinName)NC); - return ((*obj->reg_in & obj->mask) ? 1 : 0); -} - -static inline int gpio_is_connected(const gpio_t *obj) { - return obj->pin != (PinName)NC; -} - -#ifdef __cplusplus -} -#endif - -#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F030R8/i2c_api.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,390 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#include "mbed_assert.h" -#include "i2c_api.h" - -#if DEVICE_I2C - -#include "cmsis.h" -#include "pinmap.h" -#include "PeripheralPins.h" - -/* Timeout values for flags and events waiting loops. These timeouts are - not based on accurate values, they just guarantee that the application will - not remain stuck if the I2C communication is corrupted. */ -#define FLAG_TIMEOUT ((int)0x1000) -#define LONG_TIMEOUT ((int)0x8000) - -I2C_HandleTypeDef I2cHandle; - -int i2c1_inited = 0; -int i2c2_inited = 0; - -void i2c_init(i2c_t *obj, PinName sda, PinName scl) -{ - // Determine the I2C to use - I2CName i2c_sda = (I2CName)pinmap_peripheral(sda, PinMap_I2C_SDA); - I2CName i2c_scl = (I2CName)pinmap_peripheral(scl, PinMap_I2C_SCL); - - obj->i2c = (I2CName)pinmap_merge(i2c_sda, i2c_scl); - MBED_ASSERT(obj->i2c != (I2CName)NC); - - // Enable I2C1 clock and pinout if not done - if ((obj->i2c == I2C_1) && !i2c1_inited) { - i2c1_inited = 1; - __HAL_RCC_I2C1_CONFIG(RCC_I2C1CLKSOURCE_SYSCLK); - __I2C1_CLK_ENABLE(); - // Configure I2C pins - pinmap_pinout(sda, PinMap_I2C_SDA); - pinmap_pinout(scl, PinMap_I2C_SCL); - pin_mode(sda, OpenDrain); - pin_mode(scl, OpenDrain); - } - - // Enable I2C2 clock and pinout if not done - if ((obj->i2c == I2C_2) && !i2c2_inited) { - i2c2_inited = 1; - __I2C2_CLK_ENABLE(); - // Configure I2C pins - pinmap_pinout(sda, PinMap_I2C_SDA); - pinmap_pinout(scl, PinMap_I2C_SCL); - pin_mode(sda, OpenDrain); - pin_mode(scl, OpenDrain); - } - - // Reset to clear pending flags if any - i2c_reset(obj); - - // I2C configuration - i2c_frequency(obj, 100000); // 100 kHz per default -} - -void i2c_frequency(i2c_t *obj, int hz) -{ - MBED_ASSERT((hz == 100000) || (hz == 400000) || (hz == 1000000)); - I2cHandle.Instance = (I2C_TypeDef *)(obj->i2c); - int timeout; - - // wait before init - timeout = LONG_TIMEOUT; - while ((__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_BUSY)) && (timeout-- != 0)); - - // Common settings: I2C clock = 48 MHz, Analog filter = ON, Digital filter coefficient = 0 - switch (hz) { - case 100000: - I2cHandle.Init.Timing = 0x10805E89; // Standard mode with Rise Time = 400ns and Fall Time = 100ns - break; - case 400000: - I2cHandle.Init.Timing = 0x00901850; // Fast mode with Rise Time = 250ns and Fall Time = 100ns - break; - case 1000000: - I2cHandle.Init.Timing = 0x00700818; // Fast mode Plus with Rise Time = 60ns and Fall Time = 100ns - break; - default: - break; - } - - // I2C configuration - I2cHandle.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT; - I2cHandle.Init.DualAddressMode = I2C_DUALADDRESS_DISABLED; - I2cHandle.Init.GeneralCallMode = I2C_GENERALCALL_DISABLED; - I2cHandle.Init.NoStretchMode = I2C_NOSTRETCH_DISABLED; - I2cHandle.Init.OwnAddress1 = 0; - I2cHandle.Init.OwnAddress2 = 0; - I2cHandle.Init.OwnAddress2Masks = I2C_OA2_NOMASK; - HAL_I2C_Init(&I2cHandle); -} - -inline int i2c_start(i2c_t *obj) -{ - I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c); - int timeout; - - I2cHandle.Instance = (I2C_TypeDef *)(obj->i2c); - - // Clear Acknowledge failure flag - __HAL_I2C_CLEAR_FLAG(&I2cHandle, I2C_FLAG_AF); - - // Generate the START condition - i2c->CR2 |= I2C_CR2_START; - - // Wait the START condition has been correctly sent - timeout = FLAG_TIMEOUT; - while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_BUSY) == RESET) { - if ((timeout--) == 0) { - return 1; - } - } - - return 0; -} - -inline int i2c_stop(i2c_t *obj) -{ - I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c); - - // Generate the STOP condition - i2c->CR2 |= I2C_CR2_STOP; - - return 0; -} - -int i2c_read(i2c_t *obj, int address, char *data, int length, int stop) -{ - I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c); - I2cHandle.Instance = (I2C_TypeDef *)(obj->i2c); - int timeout; - int count; - int value; - - // Update CR2 register - i2c->CR2 = (i2c->CR2 & (uint32_t)~((uint32_t)(I2C_CR2_SADD | I2C_CR2_NBYTES | I2C_CR2_RELOAD | I2C_CR2_AUTOEND | I2C_CR2_RD_WRN | I2C_CR2_START | I2C_CR2_STOP))) - | (uint32_t)(((uint32_t)address & I2C_CR2_SADD) | (((uint32_t)length << 16) & I2C_CR2_NBYTES) | (uint32_t)I2C_SOFTEND_MODE | (uint32_t)I2C_GENERATE_START_READ); - - // Read all bytes - for (count = 0; count < length; count++) { - value = i2c_byte_read(obj, 0); - data[count] = (char)value; - } - - // Wait transfer complete - timeout = FLAG_TIMEOUT; - while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_TC) == RESET) { - timeout--; - if (timeout == 0) { - return -1; - } - } - __HAL_I2C_CLEAR_FLAG(&I2cHandle, I2C_FLAG_TC); - - // If not repeated start, send stop. - if (stop) { - i2c_stop(obj); - // Wait until STOPF flag is set - timeout = FLAG_TIMEOUT; - while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_STOPF) == RESET) { - timeout--; - if (timeout == 0) { - return -1; - } - } - // Clear STOP Flag - __HAL_I2C_CLEAR_FLAG(&I2cHandle, I2C_FLAG_STOPF); - } - - return length; -} - -int i2c_write(i2c_t *obj, int address, const char *data, int length, int stop) -{ - I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c); - I2cHandle.Instance = (I2C_TypeDef *)(obj->i2c); - int timeout; - int count; - - // Update CR2 register - i2c->CR2 = (i2c->CR2 & (uint32_t)~((uint32_t)(I2C_CR2_SADD | I2C_CR2_NBYTES | I2C_CR2_RELOAD | I2C_CR2_AUTOEND | I2C_CR2_RD_WRN | I2C_CR2_START | I2C_CR2_STOP))) - | (uint32_t)(((uint32_t)address & I2C_CR2_SADD) | (((uint32_t)length << 16) & I2C_CR2_NBYTES) | (uint32_t)I2C_SOFTEND_MODE | (uint32_t)I2C_GENERATE_START_WRITE); - - for (count = 0; count < length; count++) { - i2c_byte_write(obj, data[count]); - } - - // Wait transfer complete - timeout = FLAG_TIMEOUT; - while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_TC) == RESET) { - timeout--; - if (timeout == 0) { - return -1; - } - } - __HAL_I2C_CLEAR_FLAG(&I2cHandle, I2C_FLAG_TC); - - // If not repeated start, send stop - if (stop) { - i2c_stop(obj); - // Wait until STOPF flag is set - timeout = FLAG_TIMEOUT; - while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_STOPF) == RESET) { - timeout--; - if (timeout == 0) { - return -1; - } - } - // Clear STOP Flag - __HAL_I2C_CLEAR_FLAG(&I2cHandle, I2C_FLAG_STOPF); - } - - return count; -} - -int i2c_byte_read(i2c_t *obj, int last) -{ - I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c); - int timeout; - - // Wait until the byte is received - timeout = FLAG_TIMEOUT; - while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_RXNE) == RESET) { - if ((timeout--) == 0) { - return -1; - } - } - - return (int)i2c->RXDR; -} - -int i2c_byte_write(i2c_t *obj, int data) -{ - I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c); - int timeout; - - // Wait until the previous byte is transmitted - timeout = FLAG_TIMEOUT; - while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_TXIS) == RESET) { - if ((timeout--) == 0) { - return 0; - } - } - - i2c->TXDR = (uint8_t)data; - - return 1; -} - -void i2c_reset(i2c_t *obj) -{ - int timeout; - - // Wait before reset - timeout = LONG_TIMEOUT; - while ((__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_BUSY)) && (timeout-- != 0)); - - if (obj->i2c == I2C_1) { - __I2C1_FORCE_RESET(); - __I2C1_RELEASE_RESET(); - } - if (obj->i2c == I2C_2) { - __I2C2_FORCE_RESET(); - __I2C2_RELEASE_RESET(); - } -} - -#if DEVICE_I2CSLAVE - -void i2c_slave_address(i2c_t *obj, int idx, uint32_t address, uint32_t mask) -{ - I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c); - uint16_t tmpreg = 0; - - // disable - i2c->OAR1 &= (uint32_t)(~I2C_OAR1_OA1EN); - // Get the old register value - tmpreg = i2c->OAR1; - // Reset address bits - tmpreg &= 0xFC00; - // Set new address - tmpreg |= (uint16_t)((uint16_t)address & (uint16_t)0x00FE); // 7-bits - // Store the new register value - i2c->OAR1 = tmpreg; - // enable - i2c->OAR1 |= I2C_OAR1_OA1EN; -} - -void i2c_slave_mode(i2c_t *obj, int enable_slave) -{ - I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c); - uint16_t tmpreg; - - // Get the old register value - tmpreg = i2c->OAR1; - - // Enable / disable slave - if (enable_slave == 1) { - tmpreg |= I2C_OAR1_OA1EN; - } else { - tmpreg &= (uint32_t)(~I2C_OAR1_OA1EN); - } - - // Set new mode - i2c->OAR1 = tmpreg; -} - -// See I2CSlave.h -#define NoData 0 // the slave has not been addressed -#define ReadAddressed 1 // the master has requested a read from this slave (slave = transmitter) -#define WriteGeneral 2 // the master is writing to all slave -#define WriteAddressed 3 // the master is writing to this slave (slave = receiver) - -int i2c_slave_receive(i2c_t *obj) -{ - I2cHandle.Instance = (I2C_TypeDef *)(obj->i2c); - int retValue = NoData; - - if (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_BUSY) == 1) { - if (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_ADDR) == 1) { - if (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_DIR) == 1) - retValue = ReadAddressed; - else - retValue = WriteAddressed; - - __HAL_I2C_CLEAR_FLAG(&I2cHandle, I2C_FLAG_ADDR); - } - } - - return (retValue); -} - -int i2c_slave_read(i2c_t *obj, char *data, int length) -{ - char size = 0; - - while (size < length) data[size++] = (char)i2c_byte_read(obj, 0); - - return size; -} - -int i2c_slave_write(i2c_t *obj, const char *data, int length) -{ - char size = 0; - I2cHandle.Instance = (I2C_TypeDef *)(obj->i2c); - - do { - i2c_byte_write(obj, data[size]); - size++; - } while (size < length); - - return size; -} - - -#endif // DEVICE_I2CSLAVE - -#endif // DEVICE_I2C
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F030R8/mbed_overrides.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,35 +0,0 @@ -/* mbed Microcontroller Library - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ -#include "cmsis.h" - -// This function is called after RAM initialization and before main. -void mbed_sdk_init() -{ - // Update the SystemCoreClock variable. - SystemCoreClockUpdate(); -}
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F030R8/objects.h Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,104 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#ifndef MBED_OBJECTS_H -#define MBED_OBJECTS_H - -#include "cmsis.h" -#include "PortNames.h" -#include "PeripheralNames.h" -#include "PinNames.h" - -#ifdef __cplusplus -extern "C" { -#endif - -struct gpio_irq_s { - IRQn_Type irq_n; - uint32_t irq_index; - uint32_t event; - PinName pin; -}; - -struct port_s { - PortName port; - uint32_t mask; - PinDirection direction; - __IO uint32_t *reg_in; - __IO uint32_t *reg_out; -}; - -struct analogin_s { - ADCName adc; - PinName pin; -}; - -struct serial_s { - UARTName uart; - int index; // Used by irq - uint32_t baudrate; - uint32_t databits; - uint32_t stopbits; - uint32_t parity; - PinName pin_tx; - PinName pin_rx; -}; - -struct spi_s { - SPIName spi; - uint32_t bits; - uint32_t cpol; - uint32_t cpha; - uint32_t mode; - uint32_t nss; - uint32_t br_presc; - PinName pin_miso; - PinName pin_mosi; - PinName pin_sclk; - PinName pin_ssel; -}; - -struct i2c_s { - I2CName i2c; -}; - -struct pwmout_s { - PWMName pwm; - PinName pin; - uint32_t period; - uint32_t pulse; -}; - -#include "gpio_object.h" - -#ifdef __cplusplus -} -#endif - -#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F030R8/pinmap.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,139 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#include "mbed_assert.h" -#include "pinmap.h" -#include "PortNames.h" -#include "mbed_error.h" - -// GPIO mode look-up table -static const uint32_t gpio_mode[13] = { - 0x00000000, // 0 = GPIO_MODE_INPUT - 0x00000001, // 1 = GPIO_MODE_OUTPUT_PP - 0x00000011, // 2 = GPIO_MODE_OUTPUT_OD - 0x00000002, // 3 = GPIO_MODE_AF_PP - 0x00000012, // 4 = GPIO_MODE_AF_OD - 0x00000003, // 5 = GPIO_MODE_ANALOG - 0x10110000, // 6 = GPIO_MODE_IT_RISING - 0x10210000, // 7 = GPIO_MODE_IT_FALLING - 0x10310000, // 8 = GPIO_MODE_IT_RISING_FALLING - 0x10120000, // 9 = GPIO_MODE_EVT_RISING - 0x10220000, // 10 = GPIO_MODE_EVT_FALLING - 0x10320000, // 11 = GPIO_MODE_EVT_RISING_FALLING - 0x10000000 // 12 = Reset IT and EVT (not in STM32Cube HAL) -}; - -// Enable GPIO clock and return GPIO base address -uint32_t Set_GPIO_Clock(uint32_t port_idx) -{ - uint32_t gpio_add = 0; - switch (port_idx) { - case PortA: - gpio_add = GPIOA_BASE; - __GPIOA_CLK_ENABLE(); - break; - case PortB: - gpio_add = GPIOB_BASE; - __GPIOB_CLK_ENABLE(); - break; - case PortC: - gpio_add = GPIOC_BASE; - __GPIOC_CLK_ENABLE(); - break; - case PortD: - gpio_add = GPIOD_BASE; - __GPIOD_CLK_ENABLE(); - break; - case PortF: - gpio_add = GPIOF_BASE; - __GPIOF_CLK_ENABLE(); - break; - default: - error("Pinmap error: wrong port number."); - break; - } - return gpio_add; -} - -/** - * Configure pin (mode, speed, output type and pull-up/pull-down) - */ -void pin_function(PinName pin, int data) -{ - MBED_ASSERT(pin != (PinName)NC); - - // Get the pin informations - uint32_t mode = STM_PIN_MODE(data); - uint32_t pupd = STM_PIN_PUPD(data); - uint32_t afnum = STM_PIN_AFNUM(data); - - uint32_t port_index = STM_PORT(pin); - uint32_t pin_index = STM_PIN(pin); - - // Enable GPIO clock - uint32_t gpio_add = Set_GPIO_Clock(port_index); - GPIO_TypeDef *gpio = (GPIO_TypeDef *)gpio_add; - - // Configure GPIO - GPIO_InitTypeDef GPIO_InitStructure; - GPIO_InitStructure.Pin = (uint32_t)(1 << pin_index); - GPIO_InitStructure.Mode = gpio_mode[mode]; - GPIO_InitStructure.Pull = pupd; - GPIO_InitStructure.Speed = GPIO_SPEED_HIGH; - GPIO_InitStructure.Alternate = afnum; - HAL_GPIO_Init(gpio, &GPIO_InitStructure); - - // [TODO] Disconnect SWDIO and SWCLK signals ? - // Warning: For debugging it is necessary to reconnect under reset if this is done. - //if ((pin == PA_13) || (pin == PA_14)) { - // - //} -} - -/** - * Configure pin pull-up/pull-down - */ -void pin_mode(PinName pin, PinMode mode) -{ - MBED_ASSERT(pin != (PinName)NC); - - uint32_t port_index = STM_PORT(pin); - uint32_t pin_index = STM_PIN(pin); - - // Enable GPIO clock - uint32_t gpio_add = Set_GPIO_Clock(port_index); - GPIO_TypeDef *gpio = (GPIO_TypeDef *)gpio_add; - - // Configure pull-up/pull-down resistors - uint32_t pupd = (uint32_t)mode; - if (pupd > 2) pupd = 0; // Open-drain = No pull-up/No pull-down - gpio->PUPDR &= (uint32_t)(~(GPIO_PUPDR_PUPDR0 << (pin_index * 2))); - gpio->PUPDR |= (uint32_t)(pupd << (pin_index * 2)); - -}
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F030R8/port_api.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,103 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#include "port_api.h" -#include "pinmap.h" -#include "gpio_api.h" -#include "mbed_error.h" - -#if DEVICE_PORTIN || DEVICE_PORTOUT - -extern uint32_t Set_GPIO_Clock(uint32_t port_idx); - -// high nibble = port number (0=A, 1=B, 2=C, 3=D, 4=E, 5=F, ...) -// low nibble = pin number -PinName port_pin(PortName port, int pin_n) -{ - return (PinName)(pin_n + (port << 4)); -} - -void port_init(port_t *obj, PortName port, int mask, PinDirection dir) -{ - uint32_t port_index = (uint32_t)port; - - // Enable GPIO clock - uint32_t gpio_add = Set_GPIO_Clock(port_index); - GPIO_TypeDef *gpio = (GPIO_TypeDef *)gpio_add; - - // Fill PORT object structure for future use - obj->port = port; - obj->mask = mask; - obj->direction = dir; - obj->reg_in = &gpio->IDR; - obj->reg_out = &gpio->ODR; - - port_dir(obj, dir); -} - -void port_dir(port_t *obj, PinDirection dir) -{ - uint32_t i; - obj->direction = dir; - for (i = 0; i < 16; i++) { // Process all pins - if (obj->mask & (1 << i)) { // If the pin is used - if (dir == PIN_OUTPUT) { - pin_function(port_pin(obj->port, i), STM_PIN_DATA(STM_MODE_OUTPUT_PP, GPIO_NOPULL, 0)); - } else { // PIN_INPUT - pin_function(port_pin(obj->port, i), STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); - } - } - } -} - -void port_mode(port_t *obj, PinMode mode) -{ - uint32_t i; - for (i = 0; i < 16; i++) { // Process all pins - if (obj->mask & (1 << i)) { // If the pin is used - pin_mode(port_pin(obj->port, i), mode); - } - } -} - -void port_write(port_t *obj, int value) -{ - *obj->reg_out = (*obj->reg_out & ~obj->mask) | (value & obj->mask); -} - -int port_read(port_t *obj) -{ - if (obj->direction == PIN_OUTPUT) { - return (*obj->reg_out & obj->mask); - } else { // PIN_INPUT - return (*obj->reg_in & obj->mask); - } -} - -#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F030R8/pwmout_api.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,206 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#include "pwmout_api.h" - -#if DEVICE_PWMOUT - -#include "cmsis.h" -#include "pinmap.h" -#include "mbed_error.h" -#include "PeripheralPins.h" - -static TIM_HandleTypeDef TimHandle; - -void pwmout_init(pwmout_t* obj, PinName pin) -{ - // Get the peripheral name from the pin and assign it to the object - obj->pwm = (PWMName)pinmap_peripheral(pin, PinMap_PWM); - - if (obj->pwm == (PWMName)NC) { - error("PWM error: pinout mapping failed."); - } - - // Enable TIM clock - if (obj->pwm == PWM_3) __TIM3_CLK_ENABLE(); - if (obj->pwm == PWM_14) __TIM14_CLK_ENABLE(); - if (obj->pwm == PWM_15) __TIM15_CLK_ENABLE(); - if (obj->pwm == PWM_16) __TIM16_CLK_ENABLE(); - if (obj->pwm == PWM_17) __TIM17_CLK_ENABLE(); - - // Configure GPIO - pinmap_pinout(pin, PinMap_PWM); - - obj->pin = pin; - obj->period = 0; - obj->pulse = 0; - - pwmout_period_us(obj, 20000); // 20 ms per default -} - -void pwmout_free(pwmout_t* obj) -{ - // Configure GPIO - pin_function(obj->pin, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); -} - -void pwmout_write(pwmout_t* obj, float value) -{ - TIM_OC_InitTypeDef sConfig; - int channel = 0; - int complementary_channel = 0; - - TimHandle.Instance = (TIM_TypeDef *)(obj->pwm); - - if (value < (float)0.0) { - value = 0.0; - } else if (value > (float)1.0) { - value = 1.0; - } - - obj->pulse = (uint32_t)((float)obj->period * value); - - // Configure channels - sConfig.OCMode = TIM_OCMODE_PWM1; - sConfig.Pulse = obj->pulse; - sConfig.OCPolarity = TIM_OCPOLARITY_HIGH; - sConfig.OCNPolarity = TIM_OCNPOLARITY_HIGH; - sConfig.OCFastMode = TIM_OCFAST_DISABLE; - sConfig.OCIdleState = TIM_OCIDLESTATE_RESET; - sConfig.OCNIdleState = TIM_OCNIDLESTATE_RESET; - - switch (obj->pin) { - // Channels 1 - case PA_4: - case PA_6: - case PB_1: - case PB_4: - case PB_8: - case PB_9: - case PB_14: - case PC_6: - channel = TIM_CHANNEL_1; - break; - // Channels 1N - case PB_6: - case PB_7: - channel = TIM_CHANNEL_1; - complementary_channel = 1; - break; - // Channels 2 - case PA_7: - case PB_5: - case PB_15: - case PC_7: - channel = TIM_CHANNEL_2; - break; - // Channels 3 - case PB_0: - case PC_8: - channel = TIM_CHANNEL_3; - break; - // Channels 4 - case PC_9: - channel = TIM_CHANNEL_4; - break; - default: - return; - } - - HAL_TIM_PWM_ConfigChannel(&TimHandle, &sConfig, channel); - - if (complementary_channel) { - HAL_TIMEx_PWMN_Start(&TimHandle, channel); - } else { - HAL_TIM_PWM_Start(&TimHandle, channel); - } -} - -float pwmout_read(pwmout_t* obj) -{ - float value = 0; - if (obj->period > 0) { - value = (float)(obj->pulse) / (float)(obj->period); - } - return ((value > (float)1.0) ? (float)(1.0) : (value)); -} - -void pwmout_period(pwmout_t* obj, float seconds) -{ - pwmout_period_us(obj, seconds * 1000000.0f); -} - -void pwmout_period_ms(pwmout_t* obj, int ms) -{ - pwmout_period_us(obj, ms * 1000); -} - -void pwmout_period_us(pwmout_t* obj, int us) -{ - TimHandle.Instance = (TIM_TypeDef *)(obj->pwm); - - float dc = pwmout_read(obj); - - __HAL_TIM_DISABLE(&TimHandle); - - // Update the SystemCoreClock variable - SystemCoreClockUpdate(); - - TimHandle.Init.Period = us - 1; - TimHandle.Init.Prescaler = (uint16_t)(SystemCoreClock / 1000000) - 1; // 1 µs tick - TimHandle.Init.ClockDivision = 0; - TimHandle.Init.CounterMode = TIM_COUNTERMODE_UP; - HAL_TIM_PWM_Init(&TimHandle); - - // Set duty cycle again - pwmout_write(obj, dc); - - // Save for future use - obj->period = us; - - __HAL_TIM_ENABLE(&TimHandle); -} - -void pwmout_pulsewidth(pwmout_t* obj, float seconds) -{ - pwmout_pulsewidth_us(obj, seconds * 1000000.0f); -} - -void pwmout_pulsewidth_ms(pwmout_t* obj, int ms) -{ - pwmout_pulsewidth_us(obj, ms * 1000); -} - -void pwmout_pulsewidth_us(pwmout_t* obj, int us) -{ - float value = (float)us / (float)obj->period; - pwmout_write(obj, value); -} - -#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F030R8/rtc_api.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,201 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#include "rtc_api.h" - -#if DEVICE_RTC - -#include "mbed_error.h" - -static int rtc_inited = 0; - -static RTC_HandleTypeDef RtcHandle; - -void rtc_init(void) -{ - RCC_OscInitTypeDef RCC_OscInitStruct; - uint32_t rtc_freq = 0; - - if (rtc_inited) return; - rtc_inited = 1; - - RtcHandle.Instance = RTC; - - // Enable Power clock - __PWR_CLK_ENABLE(); - - // Enable access to Backup domain - HAL_PWR_EnableBkUpAccess(); - - // Reset Backup domain - __HAL_RCC_BACKUPRESET_FORCE(); - __HAL_RCC_BACKUPRESET_RELEASE(); - - // Enable LSE Oscillator - RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSE; - RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE; // Mandatory, otherwise the PLL is reconfigured! - RCC_OscInitStruct.LSEState = RCC_LSE_ON; // External 32.768 kHz clock on OSC_IN/OSC_OUT - if (HAL_RCC_OscConfig(&RCC_OscInitStruct) == HAL_OK) { - // Connect LSE to RTC - __HAL_RCC_RTC_CONFIG(RCC_RTCCLKSOURCE_LSE); - rtc_freq = LSE_VALUE; - } else { - // Enable LSI clock - RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI | RCC_OSCILLATORTYPE_LSE; - RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE; // Mandatory, otherwise the PLL is reconfigured! - RCC_OscInitStruct.LSEState = RCC_LSE_OFF; - RCC_OscInitStruct.LSIState = RCC_LSI_ON; - if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) { - error("RTC error: LSI clock initialization failed."); - } - // Connect LSI to RTC - __HAL_RCC_RTC_CONFIG(RCC_RTCCLKSOURCE_LSI); - // This value is LSI typical value. To be measured precisely using a timer input capture for example. - rtc_freq = LSI_VALUE; - } - - // Enable RTC - __HAL_RCC_RTC_ENABLE(); - - RtcHandle.Init.HourFormat = RTC_HOURFORMAT_24; - RtcHandle.Init.AsynchPrediv = 127; - RtcHandle.Init.SynchPrediv = (rtc_freq / 128) - 1; - RtcHandle.Init.OutPut = RTC_OUTPUT_DISABLE; - RtcHandle.Init.OutPutPolarity = RTC_OUTPUT_POLARITY_HIGH; - RtcHandle.Init.OutPutType = RTC_OUTPUT_TYPE_OPENDRAIN; - - if (HAL_RTC_Init(&RtcHandle) != HAL_OK) { - error("RTC error: RTC initialization failed."); - } -} - -void rtc_free(void) -{ - // Enable Power clock - __PWR_CLK_ENABLE(); - - // Enable access to Backup domain - HAL_PWR_EnableBkUpAccess(); - - // Reset Backup domain - __HAL_RCC_BACKUPRESET_FORCE(); - __HAL_RCC_BACKUPRESET_RELEASE(); - - // Disable access to Backup domain - HAL_PWR_DisableBkUpAccess(); - - // Disable LSI and LSE clocks - RCC_OscInitTypeDef RCC_OscInitStruct; - RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI | RCC_OSCILLATORTYPE_LSE; - RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE; - RCC_OscInitStruct.LSIState = RCC_LSI_OFF; - RCC_OscInitStruct.LSEState = RCC_LSE_OFF; - HAL_RCC_OscConfig(&RCC_OscInitStruct); - - rtc_inited = 0; -} - -int rtc_isenabled(void) -{ - return rtc_inited; -} - -/* - RTC Registers - RTC_WeekDay 1=monday, 2=tuesday, ..., 7=sunday - RTC_Month 1=january, 2=february, ..., 12=december - RTC_Date day of the month 1-31 - RTC_Year year 0-99 - struct tm - tm_sec seconds after the minute 0-61 - tm_min minutes after the hour 0-59 - tm_hour hours since midnight 0-23 - tm_mday day of the month 1-31 - tm_mon months since January 0-11 - tm_year years since 1900 - tm_wday days since Sunday 0-6 - tm_yday days since January 1 0-365 - tm_isdst Daylight Saving Time flag -*/ -time_t rtc_read(void) -{ - RTC_DateTypeDef dateStruct; - RTC_TimeTypeDef timeStruct; - struct tm timeinfo; - - RtcHandle.Instance = RTC; - - // Read actual date and time - // Warning: the time must be read first! - HAL_RTC_GetTime(&RtcHandle, &timeStruct, FORMAT_BIN); - HAL_RTC_GetDate(&RtcHandle, &dateStruct, FORMAT_BIN); - - // Setup a tm structure based on the RTC - timeinfo.tm_wday = dateStruct.WeekDay; - timeinfo.tm_mon = dateStruct.Month - 1; - timeinfo.tm_mday = dateStruct.Date; - timeinfo.tm_year = dateStruct.Year + 100; - timeinfo.tm_hour = timeStruct.Hours; - timeinfo.tm_min = timeStruct.Minutes; - timeinfo.tm_sec = timeStruct.Seconds; - - // Convert to timestamp - time_t t = mktime(&timeinfo); - - return t; -} - -void rtc_write(time_t t) -{ - RTC_DateTypeDef dateStruct; - RTC_TimeTypeDef timeStruct; - - RtcHandle.Instance = RTC; - - // Convert the time into a tm - struct tm *timeinfo = localtime(&t); - - // Fill RTC structures - dateStruct.WeekDay = timeinfo->tm_wday; - dateStruct.Month = timeinfo->tm_mon + 1; - dateStruct.Date = timeinfo->tm_mday; - dateStruct.Year = timeinfo->tm_year - 100; - timeStruct.Hours = timeinfo->tm_hour; - timeStruct.Minutes = timeinfo->tm_min; - timeStruct.Seconds = timeinfo->tm_sec; - timeStruct.TimeFormat = RTC_HOURFORMAT12_PM; - timeStruct.DayLightSaving = RTC_DAYLIGHTSAVING_NONE; - timeStruct.StoreOperation = RTC_STOREOPERATION_RESET; - - // Change the RTC current date/time - HAL_RTC_SetDate(&RtcHandle, &dateStruct, FORMAT_BIN); - HAL_RTC_SetTime(&RtcHandle, &timeStruct, FORMAT_BIN); -} - -#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F030R8/serial_api.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,324 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#include "mbed_assert.h" -#include "serial_api.h" - -#if DEVICE_SERIAL - -#include "cmsis.h" -#include "pinmap.h" -#include <string.h> -#include "PeripheralPins.h" - -#define UART_NUM (2) - -static uint32_t serial_irq_ids[UART_NUM] = {0, 0}; - -static uart_irq_handler irq_handler; - -UART_HandleTypeDef UartHandle; - -int stdio_uart_inited = 0; -serial_t stdio_uart; - -static void init_uart(serial_t *obj) -{ - UartHandle.Instance = (USART_TypeDef *)(obj->uart); - - UartHandle.Init.BaudRate = obj->baudrate; - UartHandle.Init.WordLength = obj->databits; - UartHandle.Init.StopBits = obj->stopbits; - UartHandle.Init.Parity = obj->parity; - UartHandle.Init.HwFlowCtl = UART_HWCONTROL_NONE; - - if (obj->pin_rx == NC) { - UartHandle.Init.Mode = UART_MODE_TX; - } else if (obj->pin_tx == NC) { - UartHandle.Init.Mode = UART_MODE_RX; - } else { - UartHandle.Init.Mode = UART_MODE_TX_RX; - } - - // Disable the reception overrun detection - UartHandle.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_RXOVERRUNDISABLE_INIT; - UartHandle.AdvancedInit.OverrunDisable = UART_ADVFEATURE_OVERRUN_DISABLE; - - HAL_UART_Init(&UartHandle); -} - -void serial_init(serial_t *obj, PinName tx, PinName rx) -{ - // Determine the UART to use (UART_1, UART_2, ...) - UARTName uart_tx = (UARTName)pinmap_peripheral(tx, PinMap_UART_TX); - UARTName uart_rx = (UARTName)pinmap_peripheral(rx, PinMap_UART_RX); - - // Get the peripheral name (UART_1, UART_2, ...) from the pin and assign it to the object - obj->uart = (UARTName)pinmap_merge(uart_tx, uart_rx); - MBED_ASSERT(obj->uart != (UARTName)NC); - - // Enable USART clock - if (obj->uart == UART_1) { - __USART1_CLK_ENABLE(); - obj->index = 0; - } - - if (obj->uart == UART_2) { - __USART2_CLK_ENABLE(); - obj->index = 1; - } - - // Configure the UART pins - pinmap_pinout(tx, PinMap_UART_TX); - pinmap_pinout(rx, PinMap_UART_RX); - if (tx != NC) { - pin_mode(tx, PullUp); - } - if (rx != NC) { - pin_mode(rx, PullUp); - } - - // Configure UART - obj->baudrate = 9600; - obj->databits = UART_WORDLENGTH_8B; - obj->stopbits = UART_STOPBITS_1; - obj->parity = UART_PARITY_NONE; - - obj->pin_tx = tx; - obj->pin_rx = rx; - - init_uart(obj); - - // For stdio management - if (obj->uart == STDIO_UART) { - stdio_uart_inited = 1; - memcpy(&stdio_uart, obj, sizeof(serial_t)); - } -} - -void serial_free(serial_t *obj) -{ - // Reset UART and disable clock - if (obj->uart == UART_1) { - __USART1_FORCE_RESET(); - __USART1_RELEASE_RESET(); - __USART1_CLK_DISABLE(); - } - - if (obj->uart == UART_2) { - __USART2_FORCE_RESET(); - __USART2_RELEASE_RESET(); - __USART2_CLK_DISABLE(); - } - - // Configure GPIOs - pin_function(obj->pin_tx, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); - pin_function(obj->pin_rx, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); - - serial_irq_ids[obj->index] = 0; -} - -void serial_baud(serial_t *obj, int baudrate) -{ - obj->baudrate = baudrate; - init_uart(obj); -} - -void serial_format(serial_t *obj, int data_bits, SerialParity parity, int stop_bits) -{ - if (data_bits == 9) { - obj->databits = UART_WORDLENGTH_9B; - } else { - obj->databits = UART_WORDLENGTH_8B; - } - - switch (parity) { - case ParityOdd: - case ParityForced0: - obj->parity = UART_PARITY_ODD; - break; - case ParityEven: - case ParityForced1: - obj->parity = UART_PARITY_EVEN; - break; - default: // ParityNone - obj->parity = UART_PARITY_NONE; - break; - } - - if (stop_bits == 2) { - obj->stopbits = UART_STOPBITS_2; - } else { - obj->stopbits = UART_STOPBITS_1; - } - - init_uart(obj); -} - -/****************************************************************************** - * INTERRUPTS HANDLING - ******************************************************************************/ - -static void uart_irq(UARTName name, int id) -{ - UartHandle.Instance = (USART_TypeDef *)name; - if (serial_irq_ids[id] != 0) { - if (__HAL_UART_GET_FLAG(&UartHandle, UART_FLAG_TC) != RESET) { - irq_handler(serial_irq_ids[id], TxIrq); - __HAL_UART_CLEAR_IT(&UartHandle, UART_FLAG_TC); - } - if (__HAL_UART_GET_FLAG(&UartHandle, UART_FLAG_RXNE) != RESET) { - irq_handler(serial_irq_ids[id], RxIrq); - volatile uint32_t tmpval = UartHandle.Instance->RDR; // Clear RXNE bit - } - } -} - -static void uart1_irq(void) -{ - uart_irq(UART_1, 0); -} - -static void uart2_irq(void) -{ - uart_irq(UART_2, 1); -} - -void serial_irq_handler(serial_t *obj, uart_irq_handler handler, uint32_t id) -{ - irq_handler = handler; - serial_irq_ids[obj->index] = id; -} - -void serial_irq_set(serial_t *obj, SerialIrq irq, uint32_t enable) -{ - IRQn_Type irq_n = (IRQn_Type)0; - uint32_t vector = 0; - - UartHandle.Instance = (USART_TypeDef *)(obj->uart); - - if (obj->uart == UART_1) { - irq_n = USART1_IRQn; - vector = (uint32_t)&uart1_irq; - } - - if (obj->uart == UART_2) { - irq_n = USART2_IRQn; - vector = (uint32_t)&uart2_irq; - } - - if (enable) { - - if (irq == RxIrq) { - __HAL_UART_ENABLE_IT(&UartHandle, UART_IT_RXNE); - } else { // TxIrq - __HAL_UART_ENABLE_IT(&UartHandle, UART_IT_TC); - } - - NVIC_SetVector(irq_n, vector); - NVIC_EnableIRQ(irq_n); - - } else { // disable - - int all_disabled = 0; - - if (irq == RxIrq) { - __HAL_UART_DISABLE_IT(&UartHandle, UART_IT_RXNE); - // Check if TxIrq is disabled too - if ((UartHandle.Instance->CR1 & USART_CR1_TCIE) == 0) all_disabled = 1; - } else { // TxIrq - __HAL_UART_DISABLE_IT(&UartHandle, UART_IT_TC); - // Check if RxIrq is disabled too - if ((UartHandle.Instance->CR1 & USART_CR1_RXNEIE) == 0) all_disabled = 1; - } - - if (all_disabled) NVIC_DisableIRQ(irq_n); - - } -} - -/****************************************************************************** - * READ/WRITE - ******************************************************************************/ - -int serial_getc(serial_t *obj) -{ - USART_TypeDef *uart = (USART_TypeDef *)(obj->uart); - while (!serial_readable(obj)); - return (int)(uart->RDR & (uint16_t)0xFF); -} - -void serial_putc(serial_t *obj, int c) -{ - USART_TypeDef *uart = (USART_TypeDef *)(obj->uart); - while (!serial_writable(obj)); - uart->TDR = (uint32_t)(c & (uint16_t)0xFF); -} - -int serial_readable(serial_t *obj) -{ - int status; - UartHandle.Instance = (USART_TypeDef *)(obj->uart); - // Check if data is received - status = ((__HAL_UART_GET_FLAG(&UartHandle, UART_FLAG_RXNE) != RESET) ? 1 : 0); - return status; -} - -int serial_writable(serial_t *obj) -{ - int status; - UartHandle.Instance = (USART_TypeDef *)(obj->uart); - // Check if data is transmitted - status = ((__HAL_UART_GET_FLAG(&UartHandle, UART_FLAG_TXE) != RESET) ? 1 : 0); - return status; -} - -void serial_clear(serial_t *obj) -{ - UartHandle.Instance = (USART_TypeDef *)(obj->uart); - __HAL_UART_CLEAR_IT(&UartHandle, UART_FLAG_TC); - __HAL_UART_SEND_REQ(&UartHandle, UART_RXDATA_FLUSH_REQUEST); -} - -void serial_pinout_tx(PinName tx) -{ - pinmap_pinout(tx, PinMap_UART_TX); -} - -void serial_break_set(serial_t *obj) -{ - // [TODO] -} - -void serial_break_clear(serial_t *obj) -{ - // [TODO] -} - -#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F030R8/sleep.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,59 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#include "sleep_api.h" - -#if DEVICE_SLEEP - -#include "cmsis.h" - -void sleep(void) -{ - // Stop HAL systick - HAL_SuspendTick(); - // Request to enter SLEEP mode - HAL_PWR_EnterSLEEPMode(PWR_MAINREGULATOR_ON, PWR_SLEEPENTRY_WFI); - // Restart HAL systick - HAL_ResumeTick(); -} - -void deepsleep(void) -{ - // Request to enter STOP mode with regulator in low power mode - HAL_PWR_EnterSTOPMode(PWR_LOWPOWERREGULATOR_ON, PWR_STOPENTRY_WFI); - - HAL_InitTick(TICK_INT_PRIORITY); - - // After wake-up from STOP reconfigure the PLL - SetSysClock(); - - HAL_InitTick(TICK_INT_PRIORITY); -} - -#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F030R8/spi_api.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,298 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#include "mbed_assert.h" -#include "spi_api.h" - -#if DEVICE_SPI - -#include <math.h> -#include "cmsis.h" -#include "pinmap.h" -#include "PeripheralPins.h" - -static SPI_HandleTypeDef SpiHandle; - -static void init_spi(spi_t *obj) -{ - SpiHandle.Instance = (SPI_TypeDef *)(obj->spi); - - __HAL_SPI_DISABLE(&SpiHandle); - - SpiHandle.Init.Mode = obj->mode; - SpiHandle.Init.BaudRatePrescaler = obj->br_presc; - SpiHandle.Init.Direction = SPI_DIRECTION_2LINES; - SpiHandle.Init.CLKPhase = obj->cpha; - SpiHandle.Init.CLKPolarity = obj->cpol; - SpiHandle.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLED; - SpiHandle.Init.CRCPolynomial = 7; - SpiHandle.Init.DataSize = obj->bits; - SpiHandle.Init.FirstBit = SPI_FIRSTBIT_MSB; - SpiHandle.Init.NSS = obj->nss; - SpiHandle.Init.TIMode = SPI_TIMODE_DISABLED; - - HAL_SPI_Init(&SpiHandle); - - __HAL_SPI_ENABLE(&SpiHandle); -} - -void spi_init(spi_t *obj, PinName mosi, PinName miso, PinName sclk, PinName ssel) -{ - // Determine the SPI to use - SPIName spi_mosi = (SPIName)pinmap_peripheral(mosi, PinMap_SPI_MOSI); - SPIName spi_miso = (SPIName)pinmap_peripheral(miso, PinMap_SPI_MISO); - SPIName spi_sclk = (SPIName)pinmap_peripheral(sclk, PinMap_SPI_SCLK); - SPIName spi_ssel = (SPIName)pinmap_peripheral(ssel, PinMap_SPI_SSEL); - - SPIName spi_data = (SPIName)pinmap_merge(spi_mosi, spi_miso); - SPIName spi_cntl = (SPIName)pinmap_merge(spi_sclk, spi_ssel); - - obj->spi = (SPIName)pinmap_merge(spi_data, spi_cntl); - MBED_ASSERT(obj->spi != (SPIName)NC); - - // Enable SPI clock - if (obj->spi == SPI_1) { - __SPI1_CLK_ENABLE(); - } - if (obj->spi == SPI_2) { - __SPI2_CLK_ENABLE(); - } - - // Configure the SPI pins - pinmap_pinout(mosi, PinMap_SPI_MOSI); - pinmap_pinout(miso, PinMap_SPI_MISO); - pinmap_pinout(sclk, PinMap_SPI_SCLK); - - // Save new values - obj->bits = SPI_DATASIZE_8BIT; - obj->cpol = SPI_POLARITY_LOW; - obj->cpha = SPI_PHASE_1EDGE; - obj->br_presc = SPI_BAUDRATEPRESCALER_256; - - obj->pin_miso = miso; - obj->pin_mosi = mosi; - obj->pin_sclk = sclk; - obj->pin_ssel = ssel; - - if (ssel == NC) { // SW NSS Master mode - obj->mode = SPI_MODE_MASTER; - obj->nss = SPI_NSS_SOFT; - } else { // Slave - pinmap_pinout(ssel, PinMap_SPI_SSEL); - obj->mode = SPI_MODE_SLAVE; - obj->nss = SPI_NSS_HARD_INPUT; - } - - init_spi(obj); -} - -void spi_free(spi_t *obj) -{ - // Reset SPI and disable clock - if (obj->spi == SPI_1) { - __SPI1_FORCE_RESET(); - __SPI1_RELEASE_RESET(); - __SPI1_CLK_DISABLE(); - } - - if (obj->spi == SPI_2) { - __SPI2_FORCE_RESET(); - __SPI2_RELEASE_RESET(); - __SPI2_CLK_DISABLE(); - } - - // Configure GPIOs - pin_function(obj->pin_miso, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); - pin_function(obj->pin_mosi, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); - pin_function(obj->pin_sclk, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); - pin_function(obj->pin_ssel, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); -} - -void spi_format(spi_t *obj, int bits, int mode, int slave) -{ - // Save new values - if (bits == 16) { - obj->bits = SPI_DATASIZE_16BIT; - } else { - obj->bits = SPI_DATASIZE_8BIT; - } - - switch (mode) { - case 0: - obj->cpol = SPI_POLARITY_LOW; - obj->cpha = SPI_PHASE_1EDGE; - break; - case 1: - obj->cpol = SPI_POLARITY_LOW; - obj->cpha = SPI_PHASE_2EDGE; - break; - case 2: - obj->cpol = SPI_POLARITY_HIGH; - obj->cpha = SPI_PHASE_1EDGE; - break; - default: - obj->cpol = SPI_POLARITY_HIGH; - obj->cpha = SPI_PHASE_2EDGE; - break; - } - - if (slave == 0) { - obj->mode = SPI_MODE_MASTER; - obj->nss = SPI_NSS_SOFT; - } else { - obj->mode = SPI_MODE_SLAVE; - obj->nss = SPI_NSS_HARD_INPUT; - } - - init_spi(obj); -} - -void spi_frequency(spi_t *obj, int hz) -{ - // Note: The frequencies are obtained with SPI clock = 48 MHz (APB clock) - if (hz < 375000) { - obj->br_presc = SPI_BAUDRATEPRESCALER_256; // 188 kHz - } else if ((hz >= 375000) && (hz < 750000)) { - obj->br_presc = SPI_BAUDRATEPRESCALER_128; // 375 kHz - } else if ((hz >= 750000) && (hz < 1000000)) { - obj->br_presc = SPI_BAUDRATEPRESCALER_64; // 750 kHz - } else if ((hz >= 1000000) && (hz < 3000000)) { - obj->br_presc = SPI_BAUDRATEPRESCALER_32; // 1.5 MHz - } else if ((hz >= 3000000) && (hz < 6000000)) { - obj->br_presc = SPI_BAUDRATEPRESCALER_16; // 3 MHz - } else if ((hz >= 6000000) && (hz < 12000000)) { - obj->br_presc = SPI_BAUDRATEPRESCALER_8; // 6 MHz - } else if ((hz >= 12000000) && (hz < 24000000)) { - obj->br_presc = SPI_BAUDRATEPRESCALER_4; // 12 MHz - } else { // >= 24000000 - obj->br_presc = SPI_BAUDRATEPRESCALER_2; // 24 MHz - } - - init_spi(obj); -} - -static inline int ssp_readable(spi_t *obj) -{ - int status; - SpiHandle.Instance = (SPI_TypeDef *)(obj->spi); - // Check if data is received - status = ((__HAL_SPI_GET_FLAG(&SpiHandle, SPI_FLAG_RXNE) != RESET) ? 1 : 0); - return status; -} - -static inline int ssp_writeable(spi_t *obj) -{ - int status; - SpiHandle.Instance = (SPI_TypeDef *)(obj->spi); - // Check if data is transmitted - status = ((__HAL_SPI_GET_FLAG(&SpiHandle, SPI_FLAG_TXE) != RESET) ? 1 : 0); - return status; -} - -static inline void ssp_write(spi_t *obj, int value) -{ - SPI_TypeDef *spi = (SPI_TypeDef *)(obj->spi); - while (!ssp_writeable(obj)); - if (obj->bits == SPI_DATASIZE_8BIT) { - // Force 8-bit access to the data register - uint8_t *p_spi_dr = 0; - p_spi_dr = (uint8_t *) & (spi->DR); - *p_spi_dr = (uint8_t)value; - } else { // SPI_DATASIZE_16BIT - spi->DR = (uint16_t)value; - } -} - -static inline int ssp_read(spi_t *obj) -{ - SPI_TypeDef *spi = (SPI_TypeDef *)(obj->spi); - while (!ssp_readable(obj)); - if (obj->bits == SPI_DATASIZE_8BIT) { - // Force 8-bit access to the data register - uint8_t *p_spi_dr = 0; - p_spi_dr = (uint8_t *) & (spi->DR); - return (int)(*p_spi_dr); - } else { - return (int)spi->DR; - } -} - -static inline int ssp_busy(spi_t *obj) -{ - int status; - SpiHandle.Instance = (SPI_TypeDef *)(obj->spi); - status = ((__HAL_SPI_GET_FLAG(&SpiHandle, SPI_FLAG_BSY) != RESET) ? 1 : 0); - return status; -} - -int spi_master_write(spi_t *obj, int value) -{ - ssp_write(obj, value); - return ssp_read(obj); -} - -int spi_slave_receive(spi_t *obj) -{ - return ((ssp_readable(obj) && !ssp_busy(obj)) ? 1 : 0); -}; - -int spi_slave_read(spi_t *obj) -{ - SPI_TypeDef *spi = (SPI_TypeDef *)(obj->spi); - while (!ssp_readable(obj)); - if (obj->bits == SPI_DATASIZE_8BIT) { - // Force 8-bit access to the data register - uint8_t *p_spi_dr = 0; - p_spi_dr = (uint8_t *) & (spi->DR); - return (int)(*p_spi_dr); - } else { - return (int)spi->DR; - } -} - -void spi_slave_write(spi_t *obj, int value) -{ - SPI_TypeDef *spi = (SPI_TypeDef *)(obj->spi); - while (!ssp_writeable(obj)); - if (obj->bits == SPI_DATASIZE_8BIT) { - // Force 8-bit access to the data register - uint8_t *p_spi_dr = 0; - p_spi_dr = (uint8_t *) & (spi->DR); - *p_spi_dr = (uint8_t)value; - } else { // SPI_DATASIZE_16BIT - spi->DR = (uint16_t)value; - } -} - -int spi_busy(spi_t *obj) -{ - return ssp_busy(obj); -} - -#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F030R8/us_ticker.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,179 +0,0 @@ -/* mbed Microcontroller Library - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ -#include <stddef.h> -#include "us_ticker_api.h" -#include "PeripheralNames.h" - -// Timer selection: -#define TIM_MST TIM1 -#define TIM_MST_UP_IRQ TIM1_BRK_UP_TRG_COM_IRQn -#define TIM_MST_OC_IRQ TIM1_CC_IRQn -#define TIM_MST_RCC __TIM1_CLK_ENABLE() - -static TIM_HandleTypeDef TimMasterHandle; - - -static int us_ticker_inited = 0; -static volatile uint32_t SlaveCounter = 0; -static volatile uint32_t oc_int_part = 0; -static volatile uint16_t oc_rem_part = 0; - -void set_compare(uint16_t count) -{ - TimMasterHandle.Instance = TIM_MST; - - // Set new output compare value - __HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_1, count); - // Enable IT - __HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC1); -} - -// Used to increment the slave counter -static void tim_update_irq_handler(void) -{ - TimMasterHandle.Instance = TIM_MST; - - // Clear Update interrupt flag - if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_UPDATE) == SET) { - __HAL_TIM_CLEAR_FLAG(&TimMasterHandle, TIM_FLAG_UPDATE); - SlaveCounter++; - } -} - -// Used by interrupt system -static void tim_oc_irq_handler(void) -{ - uint16_t cval = TIM_MST->CNT; - TimMasterHandle.Instance = TIM_MST; - - // Clear CC1 interrupt flag - if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC1) == SET) { - __HAL_TIM_CLEAR_FLAG(&TimMasterHandle, TIM_FLAG_CC1); - } - if (oc_rem_part > 0) { - set_compare(oc_rem_part); // Finish the remaining time left - oc_rem_part = 0; - } else { - if (oc_int_part > 0) { - set_compare(0xFFFF); - oc_rem_part = cval; // To finish the counter loop the next time - oc_int_part--; - } else { - us_ticker_irq_handler(); - } - } - -} - -void us_ticker_init(void) -{ - - if (us_ticker_inited) return; - us_ticker_inited = 1; - - // Enable timer clock - TIM_MST_RCC; - - // Configure time base - TimMasterHandle.Instance = TIM_MST; - TimMasterHandle.Init.Period = 0xFFFF; - TimMasterHandle.Init.Prescaler = (uint32_t)(SystemCoreClock / 1000000) - 1; // 1 �s tick - TimMasterHandle.Init.ClockDivision = 0; - TimMasterHandle.Init.CounterMode = TIM_COUNTERMODE_UP; - HAL_TIM_Base_Init(&TimMasterHandle); - - // Configure interrupts - __HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_UPDATE); - - // Update interrupt used for 32-bit counter - NVIC_SetVector(TIM_MST_UP_IRQ, (uint32_t)tim_update_irq_handler); - NVIC_EnableIRQ(TIM_MST_UP_IRQ); - - // Output compare interrupt used for timeout feature - NVIC_SetVector(TIM_MST_OC_IRQ, (uint32_t)tim_oc_irq_handler); - NVIC_EnableIRQ(TIM_MST_OC_IRQ); - - // Enable timer - HAL_TIM_Base_Start(&TimMasterHandle); -} - -uint32_t us_ticker_read() -{ - uint32_t counter, counter2; - if (!us_ticker_inited) us_ticker_init(); - // A situation might appear when Master overflows right after Slave is read and before the - // new (overflowed) value of Master is read. Which would make the code below consider the - // previous (incorrect) value of Slave and the new value of Master, which would return a - // value in the past. Avoid this by computing consecutive values of the timer until they - // are properly ordered. - counter = (uint32_t)(SlaveCounter << 16); - counter += TIM_MST->CNT; - while (1) { - counter2 = (uint32_t)(SlaveCounter << 16); - counter2 += TIM_MST->CNT; - if (counter2 > counter) { - break; - } - counter = counter2; - } - return counter2; -} - -void us_ticker_set_interrupt(timestamp_t timestamp) -{ - int delta = (int)((uint32_t)timestamp - us_ticker_read()); - uint16_t cval = TIM_MST->CNT; - - if (delta <= 0) { // This event was in the past - us_ticker_irq_handler(); - } else { - oc_int_part = (uint32_t)(delta >> 16); - oc_rem_part = (uint16_t)(delta & 0xFFFF); - if (oc_rem_part <= (0xFFFF - cval)) { - set_compare(cval + oc_rem_part); - oc_rem_part = 0; - } else { - set_compare(0xFFFF); - oc_rem_part = oc_rem_part - (0xFFFF - cval); - } - } -} - -void us_ticker_disable_interrupt(void) -{ - TimMasterHandle.Instance = TIM_MST; - __HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC1); -} - -void us_ticker_clear_interrupt(void) -{ - TimMasterHandle.Instance = TIM_MST; - if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC1) == SET) { - __HAL_TIM_CLEAR_FLAG(&TimMasterHandle, TIM_FLAG_CC1); - } -}
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F070RB/PeripheralNames.h Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,77 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#ifndef MBED_PERIPHERALNAMES_H -#define MBED_PERIPHERALNAMES_H - -#include "cmsis.h" - -#ifdef __cplusplus -extern "C" { -#endif - -typedef enum { - ADC_1 = (int)ADC1_BASE -} ADCName; - -typedef enum { - UART_1 = (int)USART1_BASE, - UART_2 = (int)USART2_BASE, - UART_3 = (int)USART3_BASE, - UART_4 = (int)USART4_BASE -} UARTName; - -#define STDIO_UART_TX PA_2 -#define STDIO_UART_RX PA_3 -#define STDIO_UART UART_2 - -typedef enum { - SPI_1 = (int)SPI1_BASE, - SPI_2 = (int)SPI2_BASE -} SPIName; - -typedef enum { - I2C_1 = (int)I2C1_BASE, - I2C_2 = (int)I2C2_BASE -} I2CName; - -typedef enum { - PWM_1 = (int)TIM1_BASE, - PWM_3 = (int)TIM3_BASE, - PWM_14 = (int)TIM14_BASE, - PWM_15 = (int)TIM15_BASE, - PWM_16 = (int)TIM16_BASE, - PWM_17 = (int)TIM17_BASE -} PWMName; - -#ifdef __cplusplus -} -#endif - -#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F070RB/PeripheralPins.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,184 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ - -#include "PeripheralPins.h" - -// ===== -// Note: Commented lines are alternative possibilities which are not used per default. -// If you change them, you will have also to modify the corresponding xxx_api.c file -// for pwmout, analogin, analogout, ... -// ===== - -//*** ADC *** - -const PinMap PinMap_ADC[] = { - {PA_0, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN0 - {PA_1, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN1 - {PA_2, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN2 - {PA_3, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN3 - {PA_4, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN4 - {PA_5, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN5 - {PA_6, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN6 - {PA_7, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN7 - {PB_0, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN8 - {PB_1, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN9 - {PC_0, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN10 - {PC_1, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN11 - {PC_2, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN12 - {PC_3, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN13 - {PC_4, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN14 - {PC_5, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN15 - {NC, NC, 0} -}; - -//*** I2C *** - -const PinMap PinMap_I2C_SDA[] = { - {PB_7, I2C_1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C1)}, - {PB_9, I2C_1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C1)}, - {PB_11, I2C_2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C2)}, - {PB_14, I2C_2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF5_I2C2)}, - {NC, NC, 0} -}; - -const PinMap PinMap_I2C_SCL[] = { - {PB_6, I2C_1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C1)}, - {PB_8, I2C_1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C1)}, - {PB_10, I2C_2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C2)}, - {PB_13, I2C_2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF5_I2C2)}, - {NC, NC, 0} -}; - -//*** PWM *** - -// TIM1 cannot be used because already used by the us_ticker -const PinMap PinMap_PWM[] = { - {PA_1, PWM_15, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_TIM15)}, // TIM15_CH1N - {PA_2, PWM_15, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_TIM15)}, // TIM15_CH1 - {PA_3, PWM_15, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_TIM15)}, // TIM15_CH2 - {PA_4, PWM_14, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_TIM14)}, // TIM14_CH1 -// {PA_6, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM3)}, // TIM3_CH1 - {PA_6, PWM_16, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_TIM16)}, // TIM16_CH1 -// {PA_7, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM3)}, // TIM3_CH2 -// {PA_7, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1)}, // TIM1_CH1N -// {PA_7, PWM_14, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_TIM14)}, // TIM14_CH1 - {PA_7, PWM_17, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_TIM17)}, // TIM17_CH1 -// {PA_8, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1)}, // TIM1_CH1 -// {PA_9, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1)}, // TIM1_CH2 -// {PA_10, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1)}, // TIM1_CH3 -// {PA_11, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1)}, // TIM1_CH4 - - {PB_0, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM3)}, // TIM3_CH3 -// {PB_0, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1)}, // TIM1_CH2N - {PB_1, PWM_14, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_TIM14)}, // TIM14_CH1 -// {PB_1, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM3)}, // TIM3_CH4 -// {PB_1, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1)}, // TIM1_CH3N - {PB_4, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM3)}, // TIM3_CH1 - {PB_5, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM3)}, // TIM3_CH2 - {PB_6, PWM_16, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM16)}, // TIM16_CH1N - {PB_7, PWM_17, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM17)}, // TIM17_CH1N - {PB_8, PWM_16, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM16)}, // TIM16_CH1 - {PB_9, PWM_17, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM17)}, // TIM17_CH1 -// {PB_13, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1)}, // TIM1_CH1N - {PB_14, PWM_15, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM15)}, // TIM15_CH1 -// {PB_14, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1)}, // TIM1_CH2N - {PB_15, PWM_15, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM15)}, // TIM15_CH2 -// {PB_15, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1)}, // TIM1_CH3N -// {PB_15, PWM_15, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF3_TIM15)}, // TIM15_CH1N - - {PC_6, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_TIM3)}, // TIM3_CH1 - {PC_7, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_TIM3)}, // TIM3_CH2 - {PC_8, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_TIM3)}, // TIM3_CH3 - {PC_9, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_TIM3)}, // TIM3_CH4 - - {NC, NC, 0} -}; - -//*** SERIAL *** - -const PinMap PinMap_UART_TX[] = { - {PA_0, UART_4, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART4)}, - {PA_2, UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART2)}, - {PA_9, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART1)}, - {PA_14, UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART2)}, // Warning: SWCLK is also on this pin - {PB_6, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_USART1)}, - {PB_10, UART_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART3)}, - {PC_4, UART_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART3)}, -// {PC_10, UART_4, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_USART4)}, - {PC_10, UART_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART3)}, - {NC, NC, 0} -}; - -const PinMap PinMap_UART_RX[] = { - {PA_1, UART_4, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART4)}, - {PA_3, UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART2)}, - {PA_10, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART1)}, - {PA_15, UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART2)}, - {PB_7, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_USART1)}, - {PB_11, UART_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART3)}, - {PC_5, UART_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART3)}, -// {PC_11, UART_4, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_USART4)}, - {PC_11, UART_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART3)}, - {NC, NC, 0} -}; - -//*** SPI *** - -const PinMap PinMap_SPI_MOSI[] = { - {PA_7, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)}, - {PB_5, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)}, - {PB_15, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI2)}, - {PC_3, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_SPI2)}, - {NC, NC, 0} -}; - -const PinMap PinMap_SPI_MISO[] = { - {PA_6, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)}, - {PB_4, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)}, - {PB_14, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI2)}, - {PC_2, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_SPI2)}, - {NC, NC, 0} -}; - -const PinMap PinMap_SPI_SCLK[] = { - {PA_5, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)}, - {PB_3, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)}, - {PB_10, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI2)}, - {PB_13, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI2)}, - {NC, NC, 0} -}; - -const PinMap PinMap_SPI_SSEL[] = { - {PA_4, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)}, - {PA_15, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)}, - {PB_9, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI2)}, - {PB_12, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI2)}, - {NC, NC, 0} -};
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F070RB/PeripheralPins.h Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,62 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ - -#ifndef MBED_PERIPHERALPINS_H -#define MBED_PERIPHERALPINS_H - -#include "pinmap.h" -#include "PeripheralNames.h" - -//*** ADC *** - -extern const PinMap PinMap_ADC[]; - -//*** I2C *** - -extern const PinMap PinMap_I2C_SDA[]; -extern const PinMap PinMap_I2C_SCL[]; - -//*** PWM *** - -extern const PinMap PinMap_PWM[]; - -//*** SERIAL *** - -extern const PinMap PinMap_UART_TX[]; -extern const PinMap PinMap_UART_RX[]; - -//*** SPI *** - -extern const PinMap PinMap_SPI_MOSI[]; -extern const PinMap PinMap_SPI_MISO[]; -extern const PinMap PinMap_SPI_SCLK[]; -extern const PinMap PinMap_SPI_SSEL[]; - -#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F070RB/PinNames.h Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,183 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#ifndef MBED_PINNAMES_H -#define MBED_PINNAMES_H - -#include "cmsis.h" - -#ifdef __cplusplus -extern "C" { -#endif - -// See stm32f0xx_hal_gpio.h and stm32f0xx_hal_gpio_ex.h for values of MODE, PUPD and AFNUM -#define STM_PIN_DATA(MODE, PUPD, AFNUM) ((int)(((AFNUM) << 7) | ((PUPD) << 4) | ((MODE) << 0))) -#define STM_PIN_MODE(X) (((X) >> 0) & 0x0F) -#define STM_PIN_PUPD(X) (((X) >> 4) & 0x07) -#define STM_PIN_AFNUM(X) (((X) >> 7) & 0x0F) -#define STM_MODE_INPUT (0) -#define STM_MODE_OUTPUT_PP (1) -#define STM_MODE_OUTPUT_OD (2) -#define STM_MODE_AF_PP (3) -#define STM_MODE_AF_OD (4) -#define STM_MODE_ANALOG (5) -#define STM_MODE_IT_RISING (6) -#define STM_MODE_IT_FALLING (7) -#define STM_MODE_IT_RISING_FALLING (8) -#define STM_MODE_EVT_RISING (9) -#define STM_MODE_EVT_FALLING (10) -#define STM_MODE_EVT_RISING_FALLING (11) -#define STM_MODE_IT_EVT_RESET (12) - -// High nibble = port number (0=A, 1=B, 2=C, 3=D, 4=E, 5=F, 6=G, 7=H) -// Low nibble = pin number -#define STM_PORT(X) (((uint32_t)(X) >> 4) & 0xF) -#define STM_PIN(X) ((uint32_t)(X) & 0xF) - -typedef enum { - PIN_INPUT, - PIN_OUTPUT -} PinDirection; - -typedef enum { - PA_0 = 0x00, - PA_1 = 0x01, - PA_2 = 0x02, - PA_3 = 0x03, - PA_4 = 0x04, - PA_5 = 0x05, - PA_6 = 0x06, - PA_7 = 0x07, - PA_8 = 0x08, - PA_9 = 0x09, - PA_10 = 0x0A, - PA_11 = 0x0B, - PA_12 = 0x0C, - PA_13 = 0x0D, - PA_14 = 0x0E, - PA_15 = 0x0F, - - PB_0 = 0x10, - PB_1 = 0x11, - PB_2 = 0x12, - PB_3 = 0x13, - PB_4 = 0x14, - PB_5 = 0x15, - PB_6 = 0x16, - PB_7 = 0x17, - PB_8 = 0x18, - PB_9 = 0x19, - PB_10 = 0x1A, - PB_11 = 0x1B, - PB_12 = 0x1C, - PB_13 = 0x1D, - PB_14 = 0x1E, - PB_15 = 0x1F, - - PC_0 = 0x20, - PC_1 = 0x21, - PC_2 = 0x22, - PC_3 = 0x23, - PC_4 = 0x24, - PC_5 = 0x25, - PC_6 = 0x26, - PC_7 = 0x27, - PC_8 = 0x28, - PC_9 = 0x29, - PC_10 = 0x2A, - PC_11 = 0x2B, - PC_12 = 0x2C, - PC_13 = 0x2D, - PC_14 = 0x2E, - PC_15 = 0x2F, - - PD_2 = 0x32, - - PF_0 = 0x50, - PF_1 = 0x51, - - // Arduino connector namings - A0 = PA_0, - A1 = PA_1, - A2 = PA_4, - A3 = PB_0, - A4 = PC_1, - A5 = PC_0, - D0 = PA_3, - D1 = PA_2, - D2 = PA_10, - D3 = PB_3, - D4 = PB_5, - D5 = PB_4, - D6 = PB_10, - D7 = PA_8, - D8 = PA_9, - D9 = PC_7, - D10 = PB_6, - D11 = PA_7, - D12 = PA_6, - D13 = PA_5, - D14 = PB_9, - D15 = PB_8, - - // Generic signals namings - LED1 = PA_5, - LED2 = PA_5, - LED3 = PA_5, - LED4 = PA_5, - USER_BUTTON = PC_13, - SERIAL_TX = PA_2, - SERIAL_RX = PA_3, - USBTX = PA_2, - USBRX = PA_3, - I2C_SCL = PB_8, - I2C_SDA = PB_9, - SPI_MOSI = PA_7, - SPI_MISO = PA_6, - SPI_SCK = PA_5, - SPI_CS = PB_6, - PWM_OUT = PB_3, - - // Not connected - NC = (int)0xFFFFFFFF -} PinName; - -typedef enum { - PullNone = 0, - PullUp = 1, - PullDown = 2, - OpenDrain = 3, - PullDefault = PullNone -} PinMode; - -#ifdef __cplusplus -} -#endif - -#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F070RB/PortNames.h Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,48 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#ifndef MBED_PORTNAMES_H -#define MBED_PORTNAMES_H - -#ifdef __cplusplus -extern "C" { -#endif - -typedef enum { - PortA = 0, - PortB = 1, - PortC = 2, - PortD = 3, - PortF = 5 -} PortName; - -#ifdef __cplusplus -} -#endif -#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F070RB/analogin_api.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,175 +0,0 @@ -/* mbed Microcontroller Library - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ -#include "mbed_assert.h" -#include "analogin_api.h" - -#if DEVICE_ANALOGIN - -#include "wait_api.h" -#include "cmsis.h" -#include "pinmap.h" -#include "PeripheralPins.h" - -ADC_HandleTypeDef AdcHandle; - -int adc_inited = 0; - -void analogin_init(analogin_t *obj, PinName pin) -{ - // Get the peripheral name from the pin and assign it to the object - obj->adc = (ADCName)pinmap_peripheral(pin, PinMap_ADC); - MBED_ASSERT(obj->adc != (ADCName)NC); - - // Configure GPIO - pinmap_pinout(pin, PinMap_ADC); - - // Save pin number for the read function - obj->pin = pin; - - // The ADC initialization is done once - if (adc_inited == 0) { - adc_inited = 1; - - // Enable ADC clock - __ADC1_CLK_ENABLE(); - - // Configure ADC - AdcHandle.Instance = (ADC_TypeDef *)(obj->adc); - AdcHandle.Init.ClockPrescaler = ADC_CLOCK_SYNC_PCLK_DIV4; - AdcHandle.Init.Resolution = ADC_RESOLUTION12b; - AdcHandle.Init.DataAlign = ADC_DATAALIGN_RIGHT; - AdcHandle.Init.ScanConvMode = DISABLE; - AdcHandle.Init.EOCSelection = EOC_SINGLE_CONV; - AdcHandle.Init.LowPowerAutoWait = DISABLE; - AdcHandle.Init.LowPowerAutoPowerOff = DISABLE; - AdcHandle.Init.ContinuousConvMode = DISABLE; - AdcHandle.Init.DiscontinuousConvMode = DISABLE; - AdcHandle.Init.ExternalTrigConv = ADC_SOFTWARE_START; - AdcHandle.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_NONE; - AdcHandle.Init.DMAContinuousRequests = DISABLE; - AdcHandle.Init.Overrun = OVR_DATA_OVERWRITTEN; - HAL_ADC_Init(&AdcHandle); - - // Run the ADC calibration - HAL_ADCEx_Calibration_Start(&AdcHandle); - } -} - -static inline uint16_t adc_read(analogin_t *obj) -{ - ADC_ChannelConfTypeDef sConfig; - - AdcHandle.Instance = (ADC_TypeDef *)(obj->adc); - - // Configure ADC channel - sConfig.Rank = ADC_RANK_CHANNEL_NUMBER; - sConfig.SamplingTime = ADC_SAMPLETIME_7CYCLES_5; - - switch (obj->pin) { - case PA_0: - sConfig.Channel = ADC_CHANNEL_0; - break; - case PA_1: - sConfig.Channel = ADC_CHANNEL_1; - break; - case PA_2: - sConfig.Channel = ADC_CHANNEL_2; - break; - case PA_3: - sConfig.Channel = ADC_CHANNEL_3; - break; - case PA_4: - sConfig.Channel = ADC_CHANNEL_4; - break; - case PA_5: - sConfig.Channel = ADC_CHANNEL_5; - break; - case PA_6: - sConfig.Channel = ADC_CHANNEL_6; - break; - case PA_7: - sConfig.Channel = ADC_CHANNEL_7; - break; - case PB_0: - sConfig.Channel = ADC_CHANNEL_8; - break; - case PB_1: - sConfig.Channel = ADC_CHANNEL_9; - break; - case PC_0: - sConfig.Channel = ADC_CHANNEL_10; - break; - case PC_1: - sConfig.Channel = ADC_CHANNEL_11; - break; - case PC_2: - sConfig.Channel = ADC_CHANNEL_12; - break; - case PC_3: - sConfig.Channel = ADC_CHANNEL_13; - break; - case PC_4: - sConfig.Channel = ADC_CHANNEL_14; - break; - case PC_5: - sConfig.Channel = ADC_CHANNEL_15; - break; - default: - return 0; - } - - // Clear all channels as it is not done in HAL_ADC_ConfigChannel() - AdcHandle.Instance->CHSELR = 0; - - HAL_ADC_ConfigChannel(&AdcHandle, &sConfig); - - HAL_ADC_Start(&AdcHandle); // Start conversion - - // Wait end of conversion and get value - if (HAL_ADC_PollForConversion(&AdcHandle, 10) == HAL_OK) { - return (HAL_ADC_GetValue(&AdcHandle)); - } else { - return 0; - } -} - -uint16_t analogin_read_u16(analogin_t *obj) -{ - uint16_t value = adc_read(obj); - // 12-bit to 16-bit conversion - value = ((value << 4) & (uint16_t)0xFFF0) | ((value >> 8) & (uint16_t)0x000F); - return value; -} - -float analogin_read(analogin_t *obj) -{ - uint16_t value = adc_read(obj); - return (float)value * (1.0f / (float)0xFFF); // 12 bits range -} - -#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F070RB/device.h Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,70 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#ifndef MBED_DEVICE_H -#define MBED_DEVICE_H - -#define DEVICE_PORTIN 1 -#define DEVICE_PORTOUT 1 -#define DEVICE_PORTINOUT 1 - -#define DEVICE_INTERRUPTIN 1 - -#define DEVICE_ANALOGIN 1 -#define DEVICE_ANALOGOUT 0 // Not present on this device - -#define DEVICE_SERIAL 1 - -#define DEVICE_I2C 1 -#define DEVICE_I2CSLAVE 1 - -#define DEVICE_SPI 1 -#define DEVICE_SPISLAVE 1 - -#define DEVICE_RTC 1 - -#define DEVICE_PWMOUT 1 - -#define DEVICE_SLEEP 1 - -//======================================= - -#define DEVICE_SEMIHOST 0 -#define DEVICE_LOCALFILESYSTEM 0 -#define DEVICE_ID_LENGTH 24 - -#define DEVICE_DEBUG_AWARENESS 0 - -#define DEVICE_STDIO_MESSAGES 1 - -#define DEVICE_ERROR_RED 0 - -#include "objects.h" - -#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F070RB/gpio_api.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,79 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#include "mbed_assert.h" -#include "gpio_api.h" -#include "pinmap.h" -#include "mbed_error.h" - -extern uint32_t Set_GPIO_Clock(uint32_t port_idx); - -uint32_t gpio_set(PinName pin) -{ - MBED_ASSERT(pin != (PinName)NC); - - pin_function(pin, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); - - return (uint32_t)(1 << ((uint32_t)pin & 0xF)); // Return the pin mask -} - -void gpio_init(gpio_t *obj, PinName pin) -{ - obj->pin = pin; - if (pin == (PinName)NC) { - return; - } - - uint32_t port_index = STM_PORT(pin); - - // Enable GPIO clock - uint32_t gpio_add = Set_GPIO_Clock(port_index); - GPIO_TypeDef *gpio = (GPIO_TypeDef *)gpio_add; - - // Fill GPIO object structure for future use - obj->mask = gpio_set(pin); - obj->reg_in = &gpio->IDR; - obj->reg_set = &gpio->BSRR; - obj->reg_clr = &gpio->BRR; -} - -void gpio_mode(gpio_t *obj, PinMode mode) -{ - pin_mode(obj->pin, mode); -} - -void gpio_dir(gpio_t *obj, PinDirection direction) -{ - MBED_ASSERT(obj->pin != (PinName)NC); - if (direction == PIN_OUTPUT) { - pin_function(obj->pin, STM_PIN_DATA(STM_MODE_OUTPUT_PP, GPIO_NOPULL, 0)); - } else { // PIN_INPUT - pin_function(obj->pin, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); - } -}
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F070RB/gpio_irq_api.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,267 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#include <stddef.h> -#include "cmsis.h" -#include "gpio_irq_api.h" -#include "pinmap.h" -#include "mbed_error.h" - -#define EDGE_NONE (0) -#define EDGE_RISE (1) -#define EDGE_FALL (2) -#define EDGE_BOTH (3) - -// Number of EXTI irq vectors (EXTI0_1, EXTI2_3, EXTI4_15) -#define CHANNEL_NUM (3) - -// Max pins for one line (max with EXTI4_15) -#define MAX_PIN_LINE (12) - -typedef struct gpio_channel { - uint32_t pin_mask; // bitmask representing which pins are configured for receiving interrupts - uint32_t channel_ids[MAX_PIN_LINE]; // mbed "gpio_irq_t gpio_irq" field of instance - uint32_t channel_gpio[MAX_PIN_LINE]; // base address of gpio port group - uint32_t channel_pin[MAX_PIN_LINE]; // pin number in port group -} gpio_channel_t; - -static gpio_channel_t channels[CHANNEL_NUM] = { - {.pin_mask = 0}, - {.pin_mask = 0}, - {.pin_mask = 0} -}; - -// Used to return the index for channels array. -static uint32_t pin_base_nr[16] = { - // EXTI0_1 - 0, // pin 0 - 1, // pin 1 - // EXTI2_3 - 0, // pin 2 - 1, // pin 3 - // EXTI4_15 - 0, // pin 4 - 1, // pin 5 - 2, // pin 6 - 3, // pin 7 - 4, // pin 8 - 5, // pin 9 - 6, // pin 10 - 7, // pin 11 - 8, // pin 12 - 9, // pin 13 - 10, // pin 14 - 11 // pin 15 -}; - -static gpio_irq_handler irq_handler; - -static void handle_interrupt_in(uint32_t irq_index, uint32_t max_num_pin_line) -{ - gpio_channel_t *gpio_channel = &channels[irq_index]; - uint32_t gpio_idx; - - for (gpio_idx = 0; gpio_idx < max_num_pin_line; gpio_idx++) { - uint32_t current_mask = (1 << gpio_idx); - - if (gpio_channel->pin_mask & current_mask) { - // Retrieve the gpio and pin that generate the irq - GPIO_TypeDef *gpio = (GPIO_TypeDef *)(gpio_channel->channel_gpio[gpio_idx]); - uint32_t pin = (uint32_t)(1 << (gpio_channel->channel_pin[gpio_idx])); - - // Clear interrupt flag - if (__HAL_GPIO_EXTI_GET_FLAG(pin) != RESET) { - __HAL_GPIO_EXTI_CLEAR_FLAG(pin); - - if (gpio_channel->channel_ids[gpio_idx] == 0) continue; - - // Check which edge has generated the irq - if ((gpio->IDR & pin) == 0) { - irq_handler(gpio_channel->channel_ids[gpio_idx], IRQ_FALL); - } else { - irq_handler(gpio_channel->channel_ids[gpio_idx], IRQ_RISE); - } - } - } - } -} - -// EXTI lines 0 to 1 -static void gpio_irq0(void) -{ - handle_interrupt_in(0, 2); -} - -// EXTI lines 2 to 3 -static void gpio_irq1(void) -{ - handle_interrupt_in(1, 2); -} - -// EXTI lines 4 to 15 -static void gpio_irq2(void) -{ - handle_interrupt_in(2, 12); -} - -extern uint32_t Set_GPIO_Clock(uint32_t port_idx); - -int gpio_irq_init(gpio_irq_t *obj, PinName pin, gpio_irq_handler handler, uint32_t id) -{ - IRQn_Type irq_n = (IRQn_Type)0; - uint32_t vector = 0; - uint32_t irq_index; - gpio_channel_t *gpio_channel; - uint32_t gpio_idx; - - if (pin == NC) return -1; - - uint32_t port_index = STM_PORT(pin); - uint32_t pin_index = STM_PIN(pin); - - // Select irq number and interrupt routine - if ((pin_index == 0) || (pin_index == 1)) { - irq_n = EXTI0_1_IRQn; - vector = (uint32_t)&gpio_irq0; - irq_index = 0; - } else if ((pin_index == 2) || (pin_index == 3)) { - irq_n = EXTI2_3_IRQn; - vector = (uint32_t)&gpio_irq1; - irq_index = 1; - } else if ((pin_index > 3) && (pin_index < 16)) { - irq_n = EXTI4_15_IRQn; - vector = (uint32_t)&gpio_irq2; - irq_index = 2; - } else { - error("InterruptIn error: pin not supported.\n"); - return -1; - } - - // Enable GPIO clock - uint32_t gpio_add = Set_GPIO_Clock(port_index); - - // Configure GPIO - pin_function(pin, STM_PIN_DATA(STM_MODE_IT_FALLING, GPIO_NOPULL, 0)); - - // Enable EXTI interrupt - NVIC_SetVector(irq_n, vector); - NVIC_EnableIRQ(irq_n); - - // Save informations for future use - obj->irq_n = irq_n; - obj->irq_index = irq_index; - obj->event = EDGE_NONE; - obj->pin = pin; - - gpio_channel = &channels[irq_index]; - gpio_idx = pin_base_nr[pin_index]; - gpio_channel->pin_mask |= (1 << gpio_idx); - gpio_channel->channel_ids[gpio_idx] = id; - gpio_channel->channel_gpio[gpio_idx] = gpio_add; - gpio_channel->channel_pin[gpio_idx] = pin_index; - - irq_handler = handler; - - return 0; -} - -void gpio_irq_free(gpio_irq_t *obj) -{ - gpio_channel_t *gpio_channel = &channels[obj->irq_index]; - uint32_t pin_index = STM_PIN(obj->pin); - uint32_t gpio_idx = pin_base_nr[pin_index]; - - gpio_channel->pin_mask &= ~(1 << gpio_idx); - gpio_channel->channel_ids[gpio_idx] = 0; - gpio_channel->channel_gpio[gpio_idx] = 0; - gpio_channel->channel_pin[gpio_idx] = 0; - - // Disable EXTI line - pin_function(obj->pin, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); - obj->event = EDGE_NONE; -} - -void gpio_irq_set(gpio_irq_t *obj, gpio_irq_event event, uint32_t enable) -{ - uint32_t mode = STM_MODE_IT_EVT_RESET; - uint32_t pull = GPIO_NOPULL; - - if (enable) { - if (event == IRQ_RISE) { - if ((obj->event == EDGE_FALL) || (obj->event == EDGE_BOTH)) { - mode = STM_MODE_IT_RISING_FALLING; - obj->event = EDGE_BOTH; - } else { // NONE or RISE - mode = STM_MODE_IT_RISING; - obj->event = EDGE_RISE; - } - } - if (event == IRQ_FALL) { - if ((obj->event == EDGE_RISE) || (obj->event == EDGE_BOTH)) { - mode = STM_MODE_IT_RISING_FALLING; - obj->event = EDGE_BOTH; - } else { // NONE or FALL - mode = STM_MODE_IT_FALLING; - obj->event = EDGE_FALL; - } - } - } else { // Disable - if (event == IRQ_RISE) { - if ((obj->event == EDGE_FALL) || (obj->event == EDGE_BOTH)) { - mode = STM_MODE_IT_FALLING; - obj->event = EDGE_FALL; - } else { // NONE or RISE - mode = STM_MODE_IT_EVT_RESET; - obj->event = EDGE_NONE; - } - } - if (event == IRQ_FALL) { - if ((obj->event == EDGE_RISE) || (obj->event == EDGE_BOTH)) { - mode = STM_MODE_IT_RISING; - obj->event = EDGE_RISE; - } else { // NONE or FALL - mode = STM_MODE_IT_EVT_RESET; - obj->event = EDGE_NONE; - } - } - } - - pin_function(obj->pin, STM_PIN_DATA(mode, pull, 0)); -} - -void gpio_irq_enable(gpio_irq_t *obj) -{ - NVIC_EnableIRQ(obj->irq_n); -} - -void gpio_irq_disable(gpio_irq_t *obj) -{ - NVIC_DisableIRQ(obj->irq_n); - obj->event = EDGE_NONE; -}
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F070RB/gpio_object.h Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,75 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#ifndef MBED_GPIO_OBJECT_H -#define MBED_GPIO_OBJECT_H - -#include "mbed_assert.h" -#include "cmsis.h" -#include "PortNames.h" -#include "PeripheralNames.h" -#include "PinNames.h" - -#ifdef __cplusplus -extern "C" { -#endif - -typedef struct { - PinName pin; - uint32_t mask; - __IO uint32_t *reg_in; - __IO uint32_t *reg_set; - __IO uint32_t *reg_clr; -} gpio_t; - -static inline void gpio_write(gpio_t *obj, int value) -{ - MBED_ASSERT(obj->pin != (PinName)NC); - if (value) { - *obj->reg_set = obj->mask; - } else { - *obj->reg_clr = obj->mask; - } -} - -static inline int gpio_read(gpio_t *obj) -{ - MBED_ASSERT(obj->pin != (PinName)NC); - return ((*obj->reg_in & obj->mask) ? 1 : 0); -} - -static inline int gpio_is_connected(const gpio_t *obj) { - return obj->pin != (PinName)NC; -} - -#ifdef __cplusplus -} -#endif - -#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F070RB/i2c_api.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,390 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#include "mbed_assert.h" -#include "i2c_api.h" - -#if DEVICE_I2C - -#include "cmsis.h" -#include "pinmap.h" -#include "PeripheralPins.h" - -/* Timeout values for flags and events waiting loops. These timeouts are - not based on accurate values, they just guarantee that the application will - not remain stuck if the I2C communication is corrupted. */ -#define FLAG_TIMEOUT ((int)0x1000) -#define LONG_TIMEOUT ((int)0x8000) - -I2C_HandleTypeDef I2cHandle; - -int i2c1_inited = 0; -int i2c2_inited = 0; - -void i2c_init(i2c_t *obj, PinName sda, PinName scl) -{ - // Determine the I2C to use - I2CName i2c_sda = (I2CName)pinmap_peripheral(sda, PinMap_I2C_SDA); - I2CName i2c_scl = (I2CName)pinmap_peripheral(scl, PinMap_I2C_SCL); - - obj->i2c = (I2CName)pinmap_merge(i2c_sda, i2c_scl); - MBED_ASSERT(obj->i2c != (I2CName)NC); - - // Enable I2C1 clock and pinout if not done - if ((obj->i2c == I2C_1) && !i2c1_inited) { - i2c1_inited = 1; - __HAL_RCC_I2C1_CONFIG(RCC_I2C1CLKSOURCE_SYSCLK); - __I2C1_CLK_ENABLE(); - // Configure I2C pins - pinmap_pinout(sda, PinMap_I2C_SDA); - pinmap_pinout(scl, PinMap_I2C_SCL); - pin_mode(sda, OpenDrain); - pin_mode(scl, OpenDrain); - } - - // Enable I2C2 clock and pinout if not done - if ((obj->i2c == I2C_2) && !i2c2_inited) { - i2c2_inited = 1; - __I2C2_CLK_ENABLE(); - // Configure I2C pins - pinmap_pinout(sda, PinMap_I2C_SDA); - pinmap_pinout(scl, PinMap_I2C_SCL); - pin_mode(sda, OpenDrain); - pin_mode(scl, OpenDrain); - } - - // Reset to clear pending flags if any - i2c_reset(obj); - - // I2C configuration - i2c_frequency(obj, 100000); // 100 kHz per default -} - -void i2c_frequency(i2c_t *obj, int hz) -{ - MBED_ASSERT((hz == 100000) || (hz == 400000) || (hz == 1000000)); - I2cHandle.Instance = (I2C_TypeDef *)(obj->i2c); - int timeout; - - // wait before init - timeout = LONG_TIMEOUT; - while ((__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_BUSY)) && (timeout-- != 0)); - - // Common settings: I2C clock = 48 MHz, Analog filter = ON, Digital filter coefficient = 0 - switch (hz) { - case 100000: - I2cHandle.Init.Timing = 0x10805E89; // Standard mode with Rise Time = 400ns and Fall Time = 100ns - break; - case 400000: - I2cHandle.Init.Timing = 0x00901850; // Fast mode with Rise Time = 250ns and Fall Time = 100ns - break; - case 1000000: - I2cHandle.Init.Timing = 0x00700818; // Fast mode Plus with Rise Time = 60ns and Fall Time = 100ns - break; - default: - break; - } - - // I2C configuration - I2cHandle.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT; - I2cHandle.Init.DualAddressMode = I2C_DUALADDRESS_DISABLED; - I2cHandle.Init.GeneralCallMode = I2C_GENERALCALL_DISABLED; - I2cHandle.Init.NoStretchMode = I2C_NOSTRETCH_DISABLED; - I2cHandle.Init.OwnAddress1 = 0; - I2cHandle.Init.OwnAddress2 = 0; - I2cHandle.Init.OwnAddress2Masks = I2C_OA2_NOMASK; - HAL_I2C_Init(&I2cHandle); -} - -inline int i2c_start(i2c_t *obj) -{ - I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c); - int timeout; - - I2cHandle.Instance = (I2C_TypeDef *)(obj->i2c); - - // Clear Acknowledge failure flag - __HAL_I2C_CLEAR_FLAG(&I2cHandle, I2C_FLAG_AF); - - // Generate the START condition - i2c->CR2 |= I2C_CR2_START; - - // Wait the START condition has been correctly sent - timeout = FLAG_TIMEOUT; - while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_BUSY) == RESET) { - if ((timeout--) == 0) { - return 1; - } - } - - return 0; -} - -inline int i2c_stop(i2c_t *obj) -{ - I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c); - - // Generate the STOP condition - i2c->CR2 |= I2C_CR2_STOP; - - return 0; -} - -int i2c_read(i2c_t *obj, int address, char *data, int length, int stop) -{ - I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c); - I2cHandle.Instance = (I2C_TypeDef *)(obj->i2c); - int timeout; - int count; - int value; - - // Update CR2 register - i2c->CR2 = (i2c->CR2 & (uint32_t)~((uint32_t)(I2C_CR2_SADD | I2C_CR2_NBYTES | I2C_CR2_RELOAD | I2C_CR2_AUTOEND | I2C_CR2_RD_WRN | I2C_CR2_START | I2C_CR2_STOP))) - | (uint32_t)(((uint32_t)address & I2C_CR2_SADD) | (((uint32_t)length << 16) & I2C_CR2_NBYTES) | (uint32_t)I2C_SOFTEND_MODE | (uint32_t)I2C_GENERATE_START_READ); - - // Read all bytes - for (count = 0; count < length; count++) { - value = i2c_byte_read(obj, 0); - data[count] = (char)value; - } - - // Wait transfer complete - timeout = FLAG_TIMEOUT; - while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_TC) == RESET) { - timeout--; - if (timeout == 0) { - return -1; - } - } - __HAL_I2C_CLEAR_FLAG(&I2cHandle, I2C_FLAG_TC); - - // If not repeated start, send stop. - if (stop) { - i2c_stop(obj); - // Wait until STOPF flag is set - timeout = FLAG_TIMEOUT; - while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_STOPF) == RESET) { - timeout--; - if (timeout == 0) { - return -1; - } - } - // Clear STOP Flag - __HAL_I2C_CLEAR_FLAG(&I2cHandle, I2C_FLAG_STOPF); - } - - return length; -} - -int i2c_write(i2c_t *obj, int address, const char *data, int length, int stop) -{ - I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c); - I2cHandle.Instance = (I2C_TypeDef *)(obj->i2c); - int timeout; - int count; - - // Update CR2 register - i2c->CR2 = (i2c->CR2 & (uint32_t)~((uint32_t)(I2C_CR2_SADD | I2C_CR2_NBYTES | I2C_CR2_RELOAD | I2C_CR2_AUTOEND | I2C_CR2_RD_WRN | I2C_CR2_START | I2C_CR2_STOP))) - | (uint32_t)(((uint32_t)address & I2C_CR2_SADD) | (((uint32_t)length << 16) & I2C_CR2_NBYTES) | (uint32_t)I2C_SOFTEND_MODE | (uint32_t)I2C_GENERATE_START_WRITE); - - for (count = 0; count < length; count++) { - i2c_byte_write(obj, data[count]); - } - - // Wait transfer complete - timeout = FLAG_TIMEOUT; - while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_TC) == RESET) { - timeout--; - if (timeout == 0) { - return -1; - } - } - __HAL_I2C_CLEAR_FLAG(&I2cHandle, I2C_FLAG_TC); - - // If not repeated start, send stop - if (stop) { - i2c_stop(obj); - // Wait until STOPF flag is set - timeout = FLAG_TIMEOUT; - while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_STOPF) == RESET) { - timeout--; - if (timeout == 0) { - return -1; - } - } - // Clear STOP Flag - __HAL_I2C_CLEAR_FLAG(&I2cHandle, I2C_FLAG_STOPF); - } - - return count; -} - -int i2c_byte_read(i2c_t *obj, int last) -{ - I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c); - int timeout; - - // Wait until the byte is received - timeout = FLAG_TIMEOUT; - while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_RXNE) == RESET) { - if ((timeout--) == 0) { - return -1; - } - } - - return (int)i2c->RXDR; -} - -int i2c_byte_write(i2c_t *obj, int data) -{ - I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c); - int timeout; - - // Wait until the previous byte is transmitted - timeout = FLAG_TIMEOUT; - while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_TXIS) == RESET) { - if ((timeout--) == 0) { - return 0; - } - } - - i2c->TXDR = (uint8_t)data; - - return 1; -} - -void i2c_reset(i2c_t *obj) -{ - int timeout; - - // Wait before reset - timeout = LONG_TIMEOUT; - while ((__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_BUSY)) && (timeout-- != 0)); - - if (obj->i2c == I2C_1) { - __I2C1_FORCE_RESET(); - __I2C1_RELEASE_RESET(); - } - if (obj->i2c == I2C_2) { - __I2C2_FORCE_RESET(); - __I2C2_RELEASE_RESET(); - } -} - -#if DEVICE_I2CSLAVE - -void i2c_slave_address(i2c_t *obj, int idx, uint32_t address, uint32_t mask) -{ - I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c); - uint16_t tmpreg = 0; - - // disable - i2c->OAR1 &= (uint32_t)(~I2C_OAR1_OA1EN); - // Get the old register value - tmpreg = i2c->OAR1; - // Reset address bits - tmpreg &= 0xFC00; - // Set new address - tmpreg |= (uint16_t)((uint16_t)address & (uint16_t)0x00FE); // 7-bits - // Store the new register value - i2c->OAR1 = tmpreg; - // enable - i2c->OAR1 |= I2C_OAR1_OA1EN; -} - -void i2c_slave_mode(i2c_t *obj, int enable_slave) -{ - I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c); - uint16_t tmpreg; - - // Get the old register value - tmpreg = i2c->OAR1; - - // Enable / disable slave - if (enable_slave == 1) { - tmpreg |= I2C_OAR1_OA1EN; - } else { - tmpreg &= (uint32_t)(~I2C_OAR1_OA1EN); - } - - // Set new mode - i2c->OAR1 = tmpreg; -} - -// See I2CSlave.h -#define NoData 0 // the slave has not been addressed -#define ReadAddressed 1 // the master has requested a read from this slave (slave = transmitter) -#define WriteGeneral 2 // the master is writing to all slave -#define WriteAddressed 3 // the master is writing to this slave (slave = receiver) - -int i2c_slave_receive(i2c_t *obj) -{ - I2cHandle.Instance = (I2C_TypeDef *)(obj->i2c); - int retValue = NoData; - - if (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_BUSY) == 1) { - if (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_ADDR) == 1) { - if (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_DIR) == 1) - retValue = ReadAddressed; - else - retValue = WriteAddressed; - - __HAL_I2C_CLEAR_FLAG(&I2cHandle, I2C_FLAG_ADDR); - } - } - - return (retValue); -} - -int i2c_slave_read(i2c_t *obj, char *data, int length) -{ - char size = 0; - - while (size < length) data[size++] = (char)i2c_byte_read(obj, 0); - - return size; -} - -int i2c_slave_write(i2c_t *obj, const char *data, int length) -{ - char size = 0; - I2cHandle.Instance = (I2C_TypeDef *)(obj->i2c); - - do { - i2c_byte_write(obj, data[size]); - size++; - } while (size < length); - - return size; -} - - -#endif // DEVICE_I2CSLAVE - -#endif // DEVICE_I2C
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F070RB/mbed_overrides.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,37 +0,0 @@ -/* mbed Microcontroller Library - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ -#include "cmsis.h" - -// This function is called after RAM initialization and before main. -void mbed_sdk_init() -{ - // Update the SystemCoreClock variable. - SystemCoreClockUpdate(); - // Need to restart HAL driver after the RAM is initialized - HAL_Init(); -}
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F070RB/objects.h Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,104 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#ifndef MBED_OBJECTS_H -#define MBED_OBJECTS_H - -#include "cmsis.h" -#include "PortNames.h" -#include "PeripheralNames.h" -#include "PinNames.h" - -#ifdef __cplusplus -extern "C" { -#endif - -struct gpio_irq_s { - IRQn_Type irq_n; - uint32_t irq_index; - uint32_t event; - PinName pin; -}; - -struct port_s { - PortName port; - uint32_t mask; - PinDirection direction; - __IO uint32_t *reg_in; - __IO uint32_t *reg_out; -}; - -struct analogin_s { - ADCName adc; - PinName pin; -}; - -struct serial_s { - UARTName uart; - int index; // Used by irq - uint32_t baudrate; - uint32_t databits; - uint32_t stopbits; - uint32_t parity; - PinName pin_tx; - PinName pin_rx; -}; - -struct spi_s { - SPIName spi; - uint32_t bits; - uint32_t cpol; - uint32_t cpha; - uint32_t mode; - uint32_t nss; - uint32_t br_presc; - PinName pin_miso; - PinName pin_mosi; - PinName pin_sclk; - PinName pin_ssel; -}; - -struct i2c_s { - I2CName i2c; -}; - -struct pwmout_s { - PWMName pwm; - PinName pin; - uint32_t period; - uint32_t pulse; -}; - -#include "gpio_object.h" - -#ifdef __cplusplus -} -#endif - -#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F070RB/pinmap.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,139 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#include "mbed_assert.h" -#include "pinmap.h" -#include "PortNames.h" -#include "mbed_error.h" - -// GPIO mode look-up table -static const uint32_t gpio_mode[13] = { - 0x00000000, // 0 = GPIO_MODE_INPUT - 0x00000001, // 1 = GPIO_MODE_OUTPUT_PP - 0x00000011, // 2 = GPIO_MODE_OUTPUT_OD - 0x00000002, // 3 = GPIO_MODE_AF_PP - 0x00000012, // 4 = GPIO_MODE_AF_OD - 0x00000003, // 5 = GPIO_MODE_ANALOG - 0x10110000, // 6 = GPIO_MODE_IT_RISING - 0x10210000, // 7 = GPIO_MODE_IT_FALLING - 0x10310000, // 8 = GPIO_MODE_IT_RISING_FALLING - 0x10120000, // 9 = GPIO_MODE_EVT_RISING - 0x10220000, // 10 = GPIO_MODE_EVT_FALLING - 0x10320000, // 11 = GPIO_MODE_EVT_RISING_FALLING - 0x10000000 // 12 = Reset IT and EVT (not in STM32Cube HAL) -}; - -// Enable GPIO clock and return GPIO base address -uint32_t Set_GPIO_Clock(uint32_t port_idx) -{ - uint32_t gpio_add = 0; - switch (port_idx) { - case PortA: - gpio_add = GPIOA_BASE; - __GPIOA_CLK_ENABLE(); - break; - case PortB: - gpio_add = GPIOB_BASE; - __GPIOB_CLK_ENABLE(); - break; - case PortC: - gpio_add = GPIOC_BASE; - __GPIOC_CLK_ENABLE(); - break; - case PortD: - gpio_add = GPIOD_BASE; - __GPIOD_CLK_ENABLE(); - break; - case PortF: - gpio_add = GPIOF_BASE; - __GPIOF_CLK_ENABLE(); - break; - default: - error("Pinmap error: wrong port number."); - break; - } - return gpio_add; -} - -/** - * Configure pin (mode, speed, output type and pull-up/pull-down) - */ -void pin_function(PinName pin, int data) -{ - MBED_ASSERT(pin != (PinName)NC); - - // Get the pin informations - uint32_t mode = STM_PIN_MODE(data); - uint32_t pupd = STM_PIN_PUPD(data); - uint32_t afnum = STM_PIN_AFNUM(data); - - uint32_t port_index = STM_PORT(pin); - uint32_t pin_index = STM_PIN(pin); - - // Enable GPIO clock - uint32_t gpio_add = Set_GPIO_Clock(port_index); - GPIO_TypeDef *gpio = (GPIO_TypeDef *)gpio_add; - - // Configure GPIO - GPIO_InitTypeDef GPIO_InitStructure; - GPIO_InitStructure.Pin = (uint32_t)(1 << pin_index); - GPIO_InitStructure.Mode = gpio_mode[mode]; - GPIO_InitStructure.Pull = pupd; - GPIO_InitStructure.Speed = GPIO_SPEED_HIGH; - GPIO_InitStructure.Alternate = afnum; - HAL_GPIO_Init(gpio, &GPIO_InitStructure); - - // [TODO] Disconnect SWDIO and SWCLK signals ? - // Warning: For debugging it is necessary to reconnect under reset if this is done. - //if ((pin == PA_13) || (pin == PA_14)) { - // - //} -} - -/** - * Configure pin pull-up/pull-down - */ -void pin_mode(PinName pin, PinMode mode) -{ - MBED_ASSERT(pin != (PinName)NC); - - uint32_t port_index = STM_PORT(pin); - uint32_t pin_index = STM_PIN(pin); - - // Enable GPIO clock - uint32_t gpio_add = Set_GPIO_Clock(port_index); - GPIO_TypeDef *gpio = (GPIO_TypeDef *)gpio_add; - - // Configure pull-up/pull-down resistors - uint32_t pupd = (uint32_t)mode; - if (pupd > 2) pupd = 0; // Open-drain = No pull-up/No pull-down - gpio->PUPDR &= (uint32_t)(~(GPIO_PUPDR_PUPDR0 << (pin_index * 2))); - gpio->PUPDR |= (uint32_t)(pupd << (pin_index * 2)); - -}
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F070RB/port_api.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,103 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#include "port_api.h" -#include "pinmap.h" -#include "gpio_api.h" -#include "mbed_error.h" - -#if DEVICE_PORTIN || DEVICE_PORTOUT - -extern uint32_t Set_GPIO_Clock(uint32_t port_idx); - -// high nibble = port number (0=A, 1=B, 2=C, 3=D, 4=E, 5=F, ...) -// low nibble = pin number -PinName port_pin(PortName port, int pin_n) -{ - return (PinName)(pin_n + (port << 4)); -} - -void port_init(port_t *obj, PortName port, int mask, PinDirection dir) -{ - uint32_t port_index = (uint32_t)port; - - // Enable GPIO clock - uint32_t gpio_add = Set_GPIO_Clock(port_index); - GPIO_TypeDef *gpio = (GPIO_TypeDef *)gpio_add; - - // Fill PORT object structure for future use - obj->port = port; - obj->mask = mask; - obj->direction = dir; - obj->reg_in = &gpio->IDR; - obj->reg_out = &gpio->ODR; - - port_dir(obj, dir); -} - -void port_dir(port_t *obj, PinDirection dir) -{ - uint32_t i; - obj->direction = dir; - for (i = 0; i < 16; i++) { // Process all pins - if (obj->mask & (1 << i)) { // If the pin is used - if (dir == PIN_OUTPUT) { - pin_function(port_pin(obj->port, i), STM_PIN_DATA(STM_MODE_OUTPUT_PP, GPIO_NOPULL, 0)); - } else { // PIN_INPUT - pin_function(port_pin(obj->port, i), STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); - } - } - } -} - -void port_mode(port_t *obj, PinMode mode) -{ - uint32_t i; - for (i = 0; i < 16; i++) { // Process all pins - if (obj->mask & (1 << i)) { // If the pin is used - pin_mode(port_pin(obj->port, i), mode); - } - } -} - -void port_write(port_t *obj, int value) -{ - *obj->reg_out = (*obj->reg_out & ~obj->mask) | (value & obj->mask); -} - -int port_read(port_t *obj) -{ - if (obj->direction == PIN_OUTPUT) { - return (*obj->reg_out & obj->mask); - } else { // PIN_INPUT - return (*obj->reg_in & obj->mask); - } -} - -#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F070RB/pwmout_api.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,211 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#include "pwmout_api.h" - -#if DEVICE_PWMOUT - -#include "cmsis.h" -#include "pinmap.h" -#include "mbed_error.h" -#include "PeripheralPins.h" - -static TIM_HandleTypeDef TimHandle; - -void pwmout_init(pwmout_t* obj, PinName pin) -{ - // Get the peripheral name from the pin and assign it to the object - obj->pwm = (PWMName)pinmap_peripheral(pin, PinMap_PWM); - - if (obj->pwm == (PWMName)NC) { - error("PWM error: pinout mapping failed."); - } - - // Enable TIM clock - if (obj->pwm == PWM_1) __TIM1_CLK_ENABLE(); - if (obj->pwm == PWM_3) __TIM3_CLK_ENABLE(); - if (obj->pwm == PWM_14) __TIM14_CLK_ENABLE(); - if (obj->pwm == PWM_15) __TIM15_CLK_ENABLE(); - if (obj->pwm == PWM_16) __TIM16_CLK_ENABLE(); - if (obj->pwm == PWM_17) __TIM17_CLK_ENABLE(); - - // Configure GPIO - pinmap_pinout(pin, PinMap_PWM); - - obj->pin = pin; - obj->period = 0; - obj->pulse = 0; - - pwmout_period_us(obj, 20000); // 20 ms per default -} - -void pwmout_free(pwmout_t* obj) -{ - // Configure GPIO - pin_function(obj->pin, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); -} - -void pwmout_write(pwmout_t* obj, float value) -{ - TIM_OC_InitTypeDef sConfig; - int channel = 0; - int complementary_channel = 0; - - TimHandle.Instance = (TIM_TypeDef *)(obj->pwm); - - if (value < (float)0.0) { - value = 0.0; - } else if (value > (float)1.0) { - value = 1.0; - } - - obj->pulse = (uint32_t)((float)obj->period * value); - - // Configure channels - sConfig.OCMode = TIM_OCMODE_PWM1; - sConfig.Pulse = obj->pulse; - sConfig.OCPolarity = TIM_OCPOLARITY_HIGH; - sConfig.OCNPolarity = TIM_OCNPOLARITY_HIGH; - sConfig.OCFastMode = TIM_OCFAST_DISABLE; - sConfig.OCIdleState = TIM_OCIDLESTATE_RESET; - sConfig.OCNIdleState = TIM_OCNIDLESTATE_RESET; - - switch (obj->pin) { - // Channels 1 - case PA_2: - case PA_4: - case PA_6: - case PA_7: - case PB_1: - case PB_4: - case PB_8: - case PB_9: - case PB_14: - case PC_6: - channel = TIM_CHANNEL_1; - break; - // Channels 1N - case PA_1: - case PB_6: - case PB_7: - case PB_13: - channel = TIM_CHANNEL_1; - complementary_channel = 1; - break; - // Channels 2 - case PA_3: - case PB_5: - case PB_15: - case PC_7: - channel = TIM_CHANNEL_2; - break; - // Channels 3 - case PB_0: - case PC_8: - channel = TIM_CHANNEL_3; - break; - // Channels 4 - case PC_9: - channel = TIM_CHANNEL_4; - break; - default: - return; - } - - HAL_TIM_PWM_ConfigChannel(&TimHandle, &sConfig, channel); - - if (complementary_channel) { - HAL_TIMEx_PWMN_Start(&TimHandle, channel); - } else { - HAL_TIM_PWM_Start(&TimHandle, channel); - } -} - -float pwmout_read(pwmout_t* obj) -{ - float value = 0; - if (obj->period > 0) { - value = (float)(obj->pulse) / (float)(obj->period); - } - return ((value > (float)1.0) ? (float)(1.0) : (value)); -} - -void pwmout_period(pwmout_t* obj, float seconds) -{ - pwmout_period_us(obj, seconds * 1000000.0f); -} - -void pwmout_period_ms(pwmout_t* obj, int ms) -{ - pwmout_period_us(obj, ms * 1000); -} - -void pwmout_period_us(pwmout_t* obj, int us) -{ - TimHandle.Instance = (TIM_TypeDef *)(obj->pwm); - - float dc = pwmout_read(obj); - - __HAL_TIM_DISABLE(&TimHandle); - - // Update the SystemCoreClock variable - SystemCoreClockUpdate(); - - TimHandle.Init.Period = us - 1; - TimHandle.Init.Prescaler = (uint16_t)(SystemCoreClock / 1000000) - 1; // 1 µs tick - TimHandle.Init.ClockDivision = 0; - TimHandle.Init.CounterMode = TIM_COUNTERMODE_UP; - HAL_TIM_PWM_Init(&TimHandle); - - // Set duty cycle again - pwmout_write(obj, dc); - - // Save for future use - obj->period = us; - - __HAL_TIM_ENABLE(&TimHandle); -} - -void pwmout_pulsewidth(pwmout_t* obj, float seconds) -{ - pwmout_pulsewidth_us(obj, seconds * 1000000.0f); -} - -void pwmout_pulsewidth_ms(pwmout_t* obj, int ms) -{ - pwmout_pulsewidth_us(obj, ms * 1000); -} - -void pwmout_pulsewidth_us(pwmout_t* obj, int us) -{ - float value = (float)us / (float)obj->period; - pwmout_write(obj, value); -} - -#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F070RB/rtc_api.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,201 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#include "rtc_api.h" - -#if DEVICE_RTC - -#include "mbed_error.h" - -static int rtc_inited = 0; - -static RTC_HandleTypeDef RtcHandle; - -void rtc_init(void) -{ - RCC_OscInitTypeDef RCC_OscInitStruct; - uint32_t rtc_freq = 0; - - if (rtc_inited) return; - rtc_inited = 1; - - RtcHandle.Instance = RTC; - - // Enable Power clock - __PWR_CLK_ENABLE(); - - // Enable access to Backup domain - HAL_PWR_EnableBkUpAccess(); - - // Reset Backup domain - __HAL_RCC_BACKUPRESET_FORCE(); - __HAL_RCC_BACKUPRESET_RELEASE(); - - // Enable LSE Oscillator - RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSE; - RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE; // Mandatory, otherwise the PLL is reconfigured! - RCC_OscInitStruct.LSEState = RCC_LSE_ON; // External 32.768 kHz clock on OSC_IN/OSC_OUT - if (HAL_RCC_OscConfig(&RCC_OscInitStruct) == HAL_OK) { - // Connect LSE to RTC - __HAL_RCC_RTC_CONFIG(RCC_RTCCLKSOURCE_LSE); - rtc_freq = LSE_VALUE; - } else { - // Enable LSI clock - RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI | RCC_OSCILLATORTYPE_LSE; - RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE; // Mandatory, otherwise the PLL is reconfigured! - RCC_OscInitStruct.LSEState = RCC_LSE_OFF; - RCC_OscInitStruct.LSIState = RCC_LSI_ON; - if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) { - error("RTC error: LSI clock initialization failed."); - } - // Connect LSI to RTC - __HAL_RCC_RTC_CONFIG(RCC_RTCCLKSOURCE_LSI); - // This value is LSI typical value. To be measured precisely using a timer input capture for example. - rtc_freq = LSI_VALUE; - } - - // Enable RTC - __HAL_RCC_RTC_ENABLE(); - - RtcHandle.Init.HourFormat = RTC_HOURFORMAT_24; - RtcHandle.Init.AsynchPrediv = 127; - RtcHandle.Init.SynchPrediv = (rtc_freq / 128) - 1; - RtcHandle.Init.OutPut = RTC_OUTPUT_DISABLE; - RtcHandle.Init.OutPutPolarity = RTC_OUTPUT_POLARITY_HIGH; - RtcHandle.Init.OutPutType = RTC_OUTPUT_TYPE_OPENDRAIN; - - if (HAL_RTC_Init(&RtcHandle) != HAL_OK) { - error("RTC error: RTC initialization failed."); - } -} - -void rtc_free(void) -{ - // Enable Power clock - __PWR_CLK_ENABLE(); - - // Enable access to Backup domain - HAL_PWR_EnableBkUpAccess(); - - // Reset Backup domain - __HAL_RCC_BACKUPRESET_FORCE(); - __HAL_RCC_BACKUPRESET_RELEASE(); - - // Disable access to Backup domain - HAL_PWR_DisableBkUpAccess(); - - // Disable LSI and LSE clocks - RCC_OscInitTypeDef RCC_OscInitStruct; - RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI | RCC_OSCILLATORTYPE_LSE; - RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE; - RCC_OscInitStruct.LSIState = RCC_LSI_OFF; - RCC_OscInitStruct.LSEState = RCC_LSE_OFF; - HAL_RCC_OscConfig(&RCC_OscInitStruct); - - rtc_inited = 0; -} - -int rtc_isenabled(void) -{ - return rtc_inited; -} - -/* - RTC Registers - RTC_WeekDay 1=monday, 2=tuesday, ..., 7=sunday - RTC_Month 1=january, 2=february, ..., 12=december - RTC_Date day of the month 1-31 - RTC_Year year 0-99 - struct tm - tm_sec seconds after the minute 0-61 - tm_min minutes after the hour 0-59 - tm_hour hours since midnight 0-23 - tm_mday day of the month 1-31 - tm_mon months since January 0-11 - tm_year years since 1900 - tm_wday days since Sunday 0-6 - tm_yday days since January 1 0-365 - tm_isdst Daylight Saving Time flag -*/ -time_t rtc_read(void) -{ - RTC_DateTypeDef dateStruct; - RTC_TimeTypeDef timeStruct; - struct tm timeinfo; - - RtcHandle.Instance = RTC; - - // Read actual date and time - // Warning: the time must be read first! - HAL_RTC_GetTime(&RtcHandle, &timeStruct, FORMAT_BIN); - HAL_RTC_GetDate(&RtcHandle, &dateStruct, FORMAT_BIN); - - // Setup a tm structure based on the RTC - timeinfo.tm_wday = dateStruct.WeekDay; - timeinfo.tm_mon = dateStruct.Month - 1; - timeinfo.tm_mday = dateStruct.Date; - timeinfo.tm_year = dateStruct.Year + 100; - timeinfo.tm_hour = timeStruct.Hours; - timeinfo.tm_min = timeStruct.Minutes; - timeinfo.tm_sec = timeStruct.Seconds; - - // Convert to timestamp - time_t t = mktime(&timeinfo); - - return t; -} - -void rtc_write(time_t t) -{ - RTC_DateTypeDef dateStruct; - RTC_TimeTypeDef timeStruct; - - RtcHandle.Instance = RTC; - - // Convert the time into a tm - struct tm *timeinfo = localtime(&t); - - // Fill RTC structures - dateStruct.WeekDay = timeinfo->tm_wday; - dateStruct.Month = timeinfo->tm_mon + 1; - dateStruct.Date = timeinfo->tm_mday; - dateStruct.Year = timeinfo->tm_year - 100; - timeStruct.Hours = timeinfo->tm_hour; - timeStruct.Minutes = timeinfo->tm_min; - timeStruct.Seconds = timeinfo->tm_sec; - timeStruct.TimeFormat = RTC_HOURFORMAT12_PM; - timeStruct.DayLightSaving = RTC_DAYLIGHTSAVING_NONE; - timeStruct.StoreOperation = RTC_STOREOPERATION_RESET; - - // Change the RTC current date/time - HAL_RTC_SetDate(&RtcHandle, &dateStruct, FORMAT_BIN); - HAL_RTC_SetTime(&RtcHandle, &timeStruct, FORMAT_BIN); -} - -#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F070RB/serial_api.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,366 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#include "mbed_assert.h" -#include "serial_api.h" - -#if DEVICE_SERIAL - -#include "cmsis.h" -#include "pinmap.h" -#include <string.h> -#include "PeripheralPins.h" - -#define UART_NUM (4) - -static uint32_t serial_irq_ids[UART_NUM] = {0, 0, 0, 0}; - -static uart_irq_handler irq_handler; - -UART_HandleTypeDef UartHandle; - -int stdio_uart_inited = 0; -serial_t stdio_uart; - -static void init_uart(serial_t *obj) -{ - UartHandle.Instance = (USART_TypeDef *)(obj->uart); - - UartHandle.Init.BaudRate = obj->baudrate; - UartHandle.Init.WordLength = obj->databits; - UartHandle.Init.StopBits = obj->stopbits; - UartHandle.Init.Parity = obj->parity; - UartHandle.Init.HwFlowCtl = UART_HWCONTROL_NONE; - - if (obj->pin_rx == NC) { - UartHandle.Init.Mode = UART_MODE_TX; - } else if (obj->pin_tx == NC) { - UartHandle.Init.Mode = UART_MODE_RX; - } else { - UartHandle.Init.Mode = UART_MODE_TX_RX; - } - - // Disable the reception overrun detection - UartHandle.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_RXOVERRUNDISABLE_INIT; - UartHandle.AdvancedInit.OverrunDisable = UART_ADVFEATURE_OVERRUN_DISABLE; - - HAL_UART_Init(&UartHandle); -} - -void serial_init(serial_t *obj, PinName tx, PinName rx) -{ - // Determine the UART to use (UART_1, UART_2, ...) - UARTName uart_tx = (UARTName)pinmap_peripheral(tx, PinMap_UART_TX); - UARTName uart_rx = (UARTName)pinmap_peripheral(rx, PinMap_UART_RX); - - // Get the peripheral name (UART_1, UART_2, ...) from the pin and assign it to the object - obj->uart = (UARTName)pinmap_merge(uart_tx, uart_rx); - MBED_ASSERT(obj->uart != (UARTName)NC); - - // Enable USART clock - if (obj->uart == UART_1) { - __USART1_CLK_ENABLE(); - obj->index = 0; - } - - if (obj->uart == UART_2) { - __USART2_CLK_ENABLE(); - obj->index = 1; - } - - if (obj->uart == UART_3) { - __USART3_CLK_ENABLE(); - obj->index = 2; - } - - if (obj->uart == UART_4) { - __USART4_CLK_ENABLE(); - obj->index = 3; - } - - // Configure the UART pins - pinmap_pinout(tx, PinMap_UART_TX); - pinmap_pinout(rx, PinMap_UART_RX); - if (tx != NC) { - pin_mode(tx, PullUp); - } - if (rx != NC) { - pin_mode(rx, PullUp); - } - - // Configure UART - obj->baudrate = 9600; - obj->databits = UART_WORDLENGTH_8B; - obj->stopbits = UART_STOPBITS_1; - obj->parity = UART_PARITY_NONE; - - obj->pin_tx = tx; - obj->pin_rx = rx; - - init_uart(obj); - - // For stdio management - if (obj->uart == STDIO_UART) { - stdio_uart_inited = 1; - memcpy(&stdio_uart, obj, sizeof(serial_t)); - } -} - -void serial_free(serial_t *obj) -{ - // Reset UART and disable clock - if (obj->uart == UART_1) { - __USART1_FORCE_RESET(); - __USART1_RELEASE_RESET(); - __USART1_CLK_DISABLE(); - } - - if (obj->uart == UART_2) { - __USART2_FORCE_RESET(); - __USART2_RELEASE_RESET(); - __USART2_CLK_DISABLE(); - } - - if (obj->uart == UART_3) { - __USART3_FORCE_RESET(); - __USART3_RELEASE_RESET(); - __USART3_CLK_DISABLE(); - } - - if (obj->uart == UART_4) { - __USART4_FORCE_RESET(); - __USART4_RELEASE_RESET(); - __USART4_CLK_DISABLE(); - } - - // Configure GPIOs - pin_function(obj->pin_tx, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); - pin_function(obj->pin_rx, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); - - serial_irq_ids[obj->index] = 0; -} - -void serial_baud(serial_t *obj, int baudrate) -{ - obj->baudrate = baudrate; - init_uart(obj); -} - -void serial_format(serial_t *obj, int data_bits, SerialParity parity, int stop_bits) -{ - if (data_bits == 9) { - obj->databits = UART_WORDLENGTH_9B; - } else { - obj->databits = UART_WORDLENGTH_8B; - } - - switch (parity) { - case ParityOdd: - case ParityForced0: - obj->parity = UART_PARITY_ODD; - break; - case ParityEven: - case ParityForced1: - obj->parity = UART_PARITY_EVEN; - break; - default: // ParityNone - obj->parity = UART_PARITY_NONE; - break; - } - - if (stop_bits == 2) { - obj->stopbits = UART_STOPBITS_2; - } else { - obj->stopbits = UART_STOPBITS_1; - } - - init_uart(obj); -} - -/****************************************************************************** - * INTERRUPTS HANDLING - ******************************************************************************/ - -static void uart_irq(UARTName name, int id) -{ - UartHandle.Instance = (USART_TypeDef *)name; - if (serial_irq_ids[id] != 0) { - if (__HAL_UART_GET_FLAG(&UartHandle, UART_FLAG_TC) != RESET) { - irq_handler(serial_irq_ids[id], TxIrq); - __HAL_UART_CLEAR_IT(&UartHandle, UART_FLAG_TC); - } - if (__HAL_UART_GET_FLAG(&UartHandle, UART_FLAG_RXNE) != RESET) { - irq_handler(serial_irq_ids[id], RxIrq); - volatile uint32_t tmpval = UartHandle.Instance->RDR; // Clear RXNE bit - } - } -} - -static void uart1_irq(void) -{ - uart_irq(UART_1, 0); -} - -static void uart2_irq(void) -{ - uart_irq(UART_2, 1); -} - -static void uart3_irq(void) -{ - uart_irq(UART_3, 2); -} - -static void uart4_irq(void) -{ - uart_irq(UART_4, 3); -} - -void serial_irq_handler(serial_t *obj, uart_irq_handler handler, uint32_t id) -{ - irq_handler = handler; - serial_irq_ids[obj->index] = id; -} - -void serial_irq_set(serial_t *obj, SerialIrq irq, uint32_t enable) -{ - IRQn_Type irq_n = (IRQn_Type)0; - uint32_t vector = 0; - - UartHandle.Instance = (USART_TypeDef *)(obj->uart); - - if (obj->uart == UART_1) { - irq_n = USART1_IRQn; - vector = (uint32_t)&uart1_irq; - } - - if (obj->uart == UART_2) { - irq_n = USART2_IRQn; - vector = (uint32_t)&uart2_irq; - } - - if (obj->uart == UART_3) { - irq_n = USART3_4_IRQn; - vector = (uint32_t)&uart3_irq; - } - - if (obj->uart == UART_4) { - irq_n = USART3_4_IRQn; - vector = (uint32_t)&uart4_irq; - } - - if (enable) { - - if (irq == RxIrq) { - __HAL_UART_ENABLE_IT(&UartHandle, UART_IT_RXNE); - } else { // TxIrq - __HAL_UART_ENABLE_IT(&UartHandle, UART_IT_TC); - } - - NVIC_SetVector(irq_n, vector); - NVIC_EnableIRQ(irq_n); - - } else { // disable - - int all_disabled = 0; - - if (irq == RxIrq) { - __HAL_UART_DISABLE_IT(&UartHandle, UART_IT_RXNE); - // Check if TxIrq is disabled too - if ((UartHandle.Instance->CR1 & USART_CR1_TCIE) == 0) all_disabled = 1; - } else { // TxIrq - __HAL_UART_DISABLE_IT(&UartHandle, UART_IT_TC); - // Check if RxIrq is disabled too - if ((UartHandle.Instance->CR1 & USART_CR1_RXNEIE) == 0) all_disabled = 1; - } - - if (all_disabled) NVIC_DisableIRQ(irq_n); - - } -} - -/****************************************************************************** - * READ/WRITE - ******************************************************************************/ - -int serial_getc(serial_t *obj) -{ - USART_TypeDef *uart = (USART_TypeDef *)(obj->uart); - while (!serial_readable(obj)); - return (int)(uart->RDR & (uint16_t)0xFF); -} - -void serial_putc(serial_t *obj, int c) -{ - USART_TypeDef *uart = (USART_TypeDef *)(obj->uart); - while (!serial_writable(obj)); - uart->TDR = (uint32_t)(c & (uint16_t)0xFF); -} - -int serial_readable(serial_t *obj) -{ - int status; - UartHandle.Instance = (USART_TypeDef *)(obj->uart); - // Check if data is received - status = ((__HAL_UART_GET_FLAG(&UartHandle, UART_FLAG_RXNE) != RESET) ? 1 : 0); - return status; -} - -int serial_writable(serial_t *obj) -{ - int status; - UartHandle.Instance = (USART_TypeDef *)(obj->uart); - // Check if data is transmitted - status = ((__HAL_UART_GET_FLAG(&UartHandle, UART_FLAG_TXE) != RESET) ? 1 : 0); - return status; -} - -void serial_clear(serial_t *obj) -{ - UartHandle.Instance = (USART_TypeDef *)(obj->uart); - __HAL_UART_CLEAR_IT(&UartHandle, UART_FLAG_TC); - __HAL_UART_SEND_REQ(&UartHandle, UART_RXDATA_FLUSH_REQUEST); -} - -void serial_pinout_tx(PinName tx) -{ - pinmap_pinout(tx, PinMap_UART_TX); -} - -void serial_break_set(serial_t *obj) -{ - // [TODO] -} - -void serial_break_clear(serial_t *obj) -{ - // [TODO] -} - -#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F070RB/sleep.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,61 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#include "sleep_api.h" - -#if DEVICE_SLEEP - -#include "cmsis.h" - -void sleep(void) -{ - TIM_HandleTypeDef TimMasterHandle; - - TimMasterHandle.Instance = TIM1; - - // Disable HAL tick and us_ticker update interrupts - __HAL_TIM_DISABLE_IT(&TimMasterHandle, (TIM_IT_CC2 | TIM_IT_UPDATE)); - - // Request to enter SLEEP mode - HAL_PWR_EnterSLEEPMode(PWR_MAINREGULATOR_ON, PWR_SLEEPENTRY_WFI); - - // Enable HAL tick and us_ticker update interrupts - __HAL_TIM_ENABLE_IT(&TimMasterHandle, (TIM_IT_CC2 | TIM_IT_UPDATE)); -} - -void deepsleep(void) -{ - // Request to enter STOP mode with regulator in low power mode - HAL_PWR_EnterSTOPMode(PWR_LOWPOWERREGULATOR_ON, PWR_STOPENTRY_WFI); - - // After wake-up from STOP reconfigure the PLL - SetSysClock(); -} - -#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F070RB/spi_api.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,298 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#include "mbed_assert.h" -#include "spi_api.h" - -#if DEVICE_SPI - -#include <math.h> -#include "cmsis.h" -#include "pinmap.h" -#include "PeripheralPins.h" - -static SPI_HandleTypeDef SpiHandle; - -static void init_spi(spi_t *obj) -{ - SpiHandle.Instance = (SPI_TypeDef *)(obj->spi); - - __HAL_SPI_DISABLE(&SpiHandle); - - SpiHandle.Init.Mode = obj->mode; - SpiHandle.Init.BaudRatePrescaler = obj->br_presc; - SpiHandle.Init.Direction = SPI_DIRECTION_2LINES; - SpiHandle.Init.CLKPhase = obj->cpha; - SpiHandle.Init.CLKPolarity = obj->cpol; - SpiHandle.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLED; - SpiHandle.Init.CRCPolynomial = 7; - SpiHandle.Init.DataSize = obj->bits; - SpiHandle.Init.FirstBit = SPI_FIRSTBIT_MSB; - SpiHandle.Init.NSS = obj->nss; - SpiHandle.Init.TIMode = SPI_TIMODE_DISABLED; - - HAL_SPI_Init(&SpiHandle); - - __HAL_SPI_ENABLE(&SpiHandle); -} - -void spi_init(spi_t *obj, PinName mosi, PinName miso, PinName sclk, PinName ssel) -{ - // Determine the SPI to use - SPIName spi_mosi = (SPIName)pinmap_peripheral(mosi, PinMap_SPI_MOSI); - SPIName spi_miso = (SPIName)pinmap_peripheral(miso, PinMap_SPI_MISO); - SPIName spi_sclk = (SPIName)pinmap_peripheral(sclk, PinMap_SPI_SCLK); - SPIName spi_ssel = (SPIName)pinmap_peripheral(ssel, PinMap_SPI_SSEL); - - SPIName spi_data = (SPIName)pinmap_merge(spi_mosi, spi_miso); - SPIName spi_cntl = (SPIName)pinmap_merge(spi_sclk, spi_ssel); - - obj->spi = (SPIName)pinmap_merge(spi_data, spi_cntl); - MBED_ASSERT(obj->spi != (SPIName)NC); - - // Enable SPI clock - if (obj->spi == SPI_1) { - __SPI1_CLK_ENABLE(); - } - if (obj->spi == SPI_2) { - __SPI2_CLK_ENABLE(); - } - - // Configure the SPI pins - pinmap_pinout(mosi, PinMap_SPI_MOSI); - pinmap_pinout(miso, PinMap_SPI_MISO); - pinmap_pinout(sclk, PinMap_SPI_SCLK); - - // Save new values - obj->bits = SPI_DATASIZE_8BIT; - obj->cpol = SPI_POLARITY_LOW; - obj->cpha = SPI_PHASE_1EDGE; - obj->br_presc = SPI_BAUDRATEPRESCALER_256; - - obj->pin_miso = miso; - obj->pin_mosi = mosi; - obj->pin_sclk = sclk; - obj->pin_ssel = ssel; - - if (ssel == NC) { // SW NSS Master mode - obj->mode = SPI_MODE_MASTER; - obj->nss = SPI_NSS_SOFT; - } else { // Slave - pinmap_pinout(ssel, PinMap_SPI_SSEL); - obj->mode = SPI_MODE_SLAVE; - obj->nss = SPI_NSS_HARD_INPUT; - } - - init_spi(obj); -} - -void spi_free(spi_t *obj) -{ - // Reset SPI and disable clock - if (obj->spi == SPI_1) { - __SPI1_FORCE_RESET(); - __SPI1_RELEASE_RESET(); - __SPI1_CLK_DISABLE(); - } - - if (obj->spi == SPI_2) { - __SPI2_FORCE_RESET(); - __SPI2_RELEASE_RESET(); - __SPI2_CLK_DISABLE(); - } - - // Configure GPIOs - pin_function(obj->pin_miso, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); - pin_function(obj->pin_mosi, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); - pin_function(obj->pin_sclk, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); - pin_function(obj->pin_ssel, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); -} - -void spi_format(spi_t *obj, int bits, int mode, int slave) -{ - // Save new values - if (bits == 16) { - obj->bits = SPI_DATASIZE_16BIT; - } else { - obj->bits = SPI_DATASIZE_8BIT; - } - - switch (mode) { - case 0: - obj->cpol = SPI_POLARITY_LOW; - obj->cpha = SPI_PHASE_1EDGE; - break; - case 1: - obj->cpol = SPI_POLARITY_LOW; - obj->cpha = SPI_PHASE_2EDGE; - break; - case 2: - obj->cpol = SPI_POLARITY_HIGH; - obj->cpha = SPI_PHASE_1EDGE; - break; - default: - obj->cpol = SPI_POLARITY_HIGH; - obj->cpha = SPI_PHASE_2EDGE; - break; - } - - if (slave == 0) { - obj->mode = SPI_MODE_MASTER; - obj->nss = SPI_NSS_SOFT; - } else { - obj->mode = SPI_MODE_SLAVE; - obj->nss = SPI_NSS_HARD_INPUT; - } - - init_spi(obj); -} - -void spi_frequency(spi_t *obj, int hz) -{ - // Note: The frequencies are obtained with SPI clock = 48 MHz (APB clock) - if (hz < 375000) { - obj->br_presc = SPI_BAUDRATEPRESCALER_256; // 188 kHz - } else if ((hz >= 375000) && (hz < 750000)) { - obj->br_presc = SPI_BAUDRATEPRESCALER_128; // 375 kHz - } else if ((hz >= 750000) && (hz < 1000000)) { - obj->br_presc = SPI_BAUDRATEPRESCALER_64; // 750 kHz - } else if ((hz >= 1000000) && (hz < 3000000)) { - obj->br_presc = SPI_BAUDRATEPRESCALER_32; // 1.5 MHz - } else if ((hz >= 3000000) && (hz < 6000000)) { - obj->br_presc = SPI_BAUDRATEPRESCALER_16; // 3 MHz - } else if ((hz >= 6000000) && (hz < 12000000)) { - obj->br_presc = SPI_BAUDRATEPRESCALER_8; // 6 MHz - } else if ((hz >= 12000000) && (hz < 24000000)) { - obj->br_presc = SPI_BAUDRATEPRESCALER_4; // 12 MHz - } else { // >= 24000000 - obj->br_presc = SPI_BAUDRATEPRESCALER_2; // 24 MHz - } - - init_spi(obj); -} - -static inline int ssp_readable(spi_t *obj) -{ - int status; - SpiHandle.Instance = (SPI_TypeDef *)(obj->spi); - // Check if data is received - status = ((__HAL_SPI_GET_FLAG(&SpiHandle, SPI_FLAG_RXNE) != RESET) ? 1 : 0); - return status; -} - -static inline int ssp_writeable(spi_t *obj) -{ - int status; - SpiHandle.Instance = (SPI_TypeDef *)(obj->spi); - // Check if data is transmitted - status = ((__HAL_SPI_GET_FLAG(&SpiHandle, SPI_FLAG_TXE) != RESET) ? 1 : 0); - return status; -} - -static inline void ssp_write(spi_t *obj, int value) -{ - SPI_TypeDef *spi = (SPI_TypeDef *)(obj->spi); - while (!ssp_writeable(obj)); - if (obj->bits == SPI_DATASIZE_8BIT) { - // Force 8-bit access to the data register - uint8_t *p_spi_dr = 0; - p_spi_dr = (uint8_t *) & (spi->DR); - *p_spi_dr = (uint8_t)value; - } else { // SPI_DATASIZE_16BIT - spi->DR = (uint16_t)value; - } -} - -static inline int ssp_read(spi_t *obj) -{ - SPI_TypeDef *spi = (SPI_TypeDef *)(obj->spi); - while (!ssp_readable(obj)); - if (obj->bits == SPI_DATASIZE_8BIT) { - // Force 8-bit access to the data register - uint8_t *p_spi_dr = 0; - p_spi_dr = (uint8_t *) & (spi->DR); - return (int)(*p_spi_dr); - } else { - return (int)spi->DR; - } -} - -static inline int ssp_busy(spi_t *obj) -{ - int status; - SpiHandle.Instance = (SPI_TypeDef *)(obj->spi); - status = ((__HAL_SPI_GET_FLAG(&SpiHandle, SPI_FLAG_BSY) != RESET) ? 1 : 0); - return status; -} - -int spi_master_write(spi_t *obj, int value) -{ - ssp_write(obj, value); - return ssp_read(obj); -} - -int spi_slave_receive(spi_t *obj) -{ - return ((ssp_readable(obj) && !ssp_busy(obj)) ? 1 : 0); -}; - -int spi_slave_read(spi_t *obj) -{ - SPI_TypeDef *spi = (SPI_TypeDef *)(obj->spi); - while (!ssp_readable(obj)); - if (obj->bits == SPI_DATASIZE_8BIT) { - // Force 8-bit access to the data register - uint8_t *p_spi_dr = 0; - p_spi_dr = (uint8_t *) & (spi->DR); - return (int)(*p_spi_dr); - } else { - return (int)spi->DR; - } -} - -void spi_slave_write(spi_t *obj, int value) -{ - SPI_TypeDef *spi = (SPI_TypeDef *)(obj->spi); - while (!ssp_writeable(obj)); - if (obj->bits == SPI_DATASIZE_8BIT) { - // Force 8-bit access to the data register - uint8_t *p_spi_dr = 0; - p_spi_dr = (uint8_t *) & (spi->DR); - *p_spi_dr = (uint8_t)value; - } else { // SPI_DATASIZE_16BIT - spi->DR = (uint16_t)value; - } -} - -int spi_busy(spi_t *obj) -{ - return ssp_busy(obj); -} - -#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F070RB/us_ticker.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,113 +0,0 @@ -/* mbed Microcontroller Library - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ -#include <stddef.h> -#include "us_ticker_api.h" -#include "PeripheralNames.h" - -// Timer selection -#define TIM_MST TIM1 - -static TIM_HandleTypeDef TimMasterHandle; -static int us_ticker_inited = 0; - -volatile uint32_t SlaveCounter = 0; -volatile uint32_t oc_int_part = 0; -volatile uint16_t oc_rem_part = 0; - -void set_compare(uint16_t count) -{ - TimMasterHandle.Instance = TIM_MST; - // Set new output compare value - __HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_1, count); - // Enable IT - __HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC1); -} - -void us_ticker_init(void) -{ - if (us_ticker_inited) return; - us_ticker_inited = 1; - - HAL_InitTick(0); // The passed value is not used -} - -uint32_t us_ticker_read() -{ - uint32_t counter, counter2; - if (!us_ticker_inited) us_ticker_init(); - // A situation might appear when Master overflows right after Slave is read and before the - // new (overflowed) value of Master is read. Which would make the code below consider the - // previous (incorrect) value of Slave and the new value of Master, which would return a - // value in the past. Avoid this by computing consecutive values of the timer until they - // are properly ordered. - counter = (uint32_t)(SlaveCounter << 16); - counter += TIM_MST->CNT; - while (1) { - counter2 = (uint32_t)(SlaveCounter << 16); - counter2 += TIM_MST->CNT; - if (counter2 > counter) { - break; - } - counter = counter2; - } - return counter2; -} - -void us_ticker_set_interrupt(timestamp_t timestamp) -{ - int delta = (int)((uint32_t)timestamp - us_ticker_read()); - uint16_t cval = TIM_MST->CNT; - - if (delta <= 0) { // This event was in the past - us_ticker_irq_handler(); - } else { - oc_int_part = (uint32_t)(delta >> 16); - oc_rem_part = (uint16_t)(delta & 0xFFFF); - if (oc_rem_part <= (0xFFFF - cval)) { - set_compare(cval + oc_rem_part); - oc_rem_part = 0; - } else { - set_compare(0xFFFF); - oc_rem_part = oc_rem_part - (0xFFFF - cval); - } - } -} - -void us_ticker_disable_interrupt(void) -{ - TimMasterHandle.Instance = TIM_MST; - __HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC1); -} - -void us_ticker_clear_interrupt(void) -{ - TimMasterHandle.Instance = TIM_MST; - if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC1) == SET) { - __HAL_TIM_CLEAR_FLAG(&TimMasterHandle, TIM_FLAG_CC1); - } -}
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F072RB/PeripheralNames.h Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,82 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#ifndef MBED_PERIPHERALNAMES_H -#define MBED_PERIPHERALNAMES_H - -#include "cmsis.h" - -#ifdef __cplusplus -extern "C" { -#endif - -typedef enum { - ADC_1 = (int)ADC1_BASE -} ADCName; - -typedef enum { - DAC_1 = (int)DAC_BASE -} DACName; - -typedef enum { - UART_1 = (int)USART1_BASE, - UART_2 = (int)USART2_BASE, - UART_3 = (int)USART3_BASE, - UART_4 = (int)USART4_BASE -} UARTName; - -#define STDIO_UART_TX PA_2 -#define STDIO_UART_RX PA_3 -#define STDIO_UART UART_2 - -typedef enum { - SPI_1 = (int)SPI1_BASE, - SPI_2 = (int)SPI2_BASE -} SPIName; - -typedef enum { - I2C_1 = (int)I2C1_BASE, - I2C_2 = (int)I2C2_BASE -} I2CName; - -typedef enum { - PWM_1 = (int)TIM1_BASE, - PWM_2 = (int)TIM2_BASE, - PWM_3 = (int)TIM3_BASE, - PWM_14 = (int)TIM14_BASE, - PWM_15 = (int)TIM15_BASE, - PWM_16 = (int)TIM16_BASE, - PWM_17 = (int)TIM17_BASE -} PWMName; - -#ifdef __cplusplus -} -#endif - -#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F072RB/PeripheralPins.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,198 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ - -#include "PeripheralPins.h" - -// ===== -// Note: Commented lines are alternative possibilities which are not used per default. -// If you change them, you will have also to modify the corresponding xxx_api.c file -// for pwmout, analogin, analogout, ... -// ===== - -//*** ADC *** - -const PinMap PinMap_ADC[] = { - {PA_0, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN0 - {PA_1, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN1 - {PA_2, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN2 - {PA_3, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN3 - {PA_4, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN4 - {PA_5, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN5 - {PA_6, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN6 - {PA_7, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN7 - {PB_0, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN8 - {PB_1, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN9 - {PC_0, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN10 - {PC_1, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN11 - {PC_2, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN12 - {PC_3, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN13 - {PC_4, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN14 - {PC_5, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN15 - {NC, NC, 0} -}; - -//*** DAC *** - -const PinMap PinMap_DAC[] = { - {PA_4, DAC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // DAC_OUT1 - {PA_5, DAC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // DAC_OUT2 (Warning: LED1 is also on this pin) - {NC, NC, 0} -}; - -//*** I2C *** - -const PinMap PinMap_I2C_SDA[] = { - {PB_7, I2C_1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C1)}, - {PB_9, I2C_1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C1)}, - {PB_11, I2C_2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C2)}, - {PB_14, I2C_2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF5_I2C2)}, - {NC, NC, 0} -}; - -const PinMap PinMap_I2C_SCL[] = { - {PB_6, I2C_1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C1)}, - {PB_8, I2C_1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C1)}, - {PB_10, I2C_2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C2)}, - {PB_13, I2C_2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF5_I2C2)}, - {NC, NC, 0} -}; - -//*** PWM *** - -// TIM2 cannot be used because already used by the us_ticker -const PinMap PinMap_PWM[] = { -// {PA_1, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2)}, // TIM2_CH2 - {PA_1, PWM_15, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_TIM15)}, // TIM15_CH1N - {PA_2, PWM_15, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_TIM15)}, // TIM15_CH1 -// {PA_2, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2)}, // TIM2_CH3 - {PA_3, PWM_15, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_TIM15)}, // TIM15_CH2 -// {PA_3, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2)}, // TIM2_CH4 - {PA_4, PWM_14, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_TIM14)}, // TIM14_CH1 -// {PA_6, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM3)}, // TIM3_CH1 - {PA_6, PWM_16, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_TIM16)}, // TIM16_CH1 -// {PA_7, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM3)}, // TIM3_CH2 -// {PA_7, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1)}, // TIM1_CH1N -// {PA_7, PWM_14, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_TIM14)}, // TIM14_CH1 - {PA_7, PWM_17, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_TIM17)}, // TIM17_CH1 - {PA_8, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1)}, // TIM1_CH1 - {PA_9, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1)}, // TIM1_CH2 - {PA_10, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1)}, // TIM1_CH3 - {PA_11, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1)}, // TIM1_CH4 - - {PB_0, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM3)}, // TIM3_CH3 -// {PB_0, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1)}, // TIM1_CH2N - {PB_1, PWM_14, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_TIM14)}, // TIM14_CH1 -// {PB_1, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM3)}, // TIM3_CH4 -// {PB_1, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1)}, // TIM1_CH3N -// {PB_3, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2)}, // TIM2_CH2 - {PB_4, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM3)}, // TIM3_CH1 - {PB_5, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM3)}, // TIM3_CH2 - {PB_6, PWM_16, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM16)}, // TIM16_CH1N - {PB_7, PWM_17, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM17)}, // TIM17_CH1N - {PB_8, PWM_16, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM16)}, // TIM16_CH1 - {PB_9, PWM_17, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM17)}, // TIM17_CH1 -// {PB_10, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2)}, // TIM2_CH3 -// {PB_11, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2)}, // TIM2_CH4 - {PB_13, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1)}, // TIM1_CH1N - {PB_14, PWM_15, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM15)}, // TIM15_CH1 -// {PB_14, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1)}, // TIM1_CH2N - {PB_15, PWM_15, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM15)}, // TIM15_CH2 -// {PB_15, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1)}, // TIM1_CH3N -// {PB_15, PWM_15, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF3_TIM15)}, // TIM15_CH1N - - {PC_6, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_TIM3)}, // TIM3_CH1 - {PC_7, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_TIM3)}, // TIM3_CH2 - {PC_8, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_TIM3)}, // TIM3_CH3 - {PC_9, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_TIM3)}, // TIM3_CH4 - - {NC, NC, 0} -}; - -//*** SERIAL *** - -const PinMap PinMap_UART_TX[] = { - {PA_0, UART_4, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART4)}, - {PA_2, UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART2)}, - {PA_9, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART1)}, - {PA_14, UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART2)}, // Warning: SWCLK is also on this pin - {PB_6, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_USART1)}, - {PB_10, UART_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART3)}, - {PC_4, UART_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART3)}, - {PC_10, UART_4, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_USART4)}, -// {PC_10, UART_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART3)}, - {NC, NC, 0} -}; - -const PinMap PinMap_UART_RX[] = { - {PA_1, UART_4, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART4)}, - {PA_3, UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART2)}, - {PA_10, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART1)}, - {PA_15, UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART2)}, - {PB_7, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_USART1)}, - {PB_11, UART_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART3)}, - {PC_5, UART_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART3)}, - {PC_11, UART_4, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_USART4)}, -// {PC_11, UART_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART3)}, - {NC, NC, 0} -}; - -//*** SPI *** - -const PinMap PinMap_SPI_MOSI[] = { - {PA_7, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)}, - {PB_5, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)}, - {PB_15, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI2)}, - {PC_3, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_SPI2)}, - {NC, NC, 0} -}; - -const PinMap PinMap_SPI_MISO[] = { - {PA_6, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)}, - {PB_4, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)}, - {PB_14, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI2)}, - {PC_2, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_SPI2)}, - {NC, NC, 0} -}; - -const PinMap PinMap_SPI_SCLK[] = { - {PA_5, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)}, - {PB_3, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)}, - {PB_10, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI2)}, - {PB_13, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI2)}, - {NC, NC, 0} -}; - -const PinMap PinMap_SPI_SSEL[] = { - {PA_4, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)}, - {PA_15, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)}, - {PB_9, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI2)}, - {PB_12, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI2)}, - {NC, NC, 0} -};
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F072RB/PeripheralPins.h Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,66 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ - -#ifndef MBED_PERIPHERALPINS_H -#define MBED_PERIPHERALPINS_H - -#include "pinmap.h" -#include "PeripheralNames.h" - -//*** ADC *** - -extern const PinMap PinMap_ADC[]; - -//*** DAC *** - -extern const PinMap PinMap_DAC[]; - -//*** I2C *** - -extern const PinMap PinMap_I2C_SDA[]; -extern const PinMap PinMap_I2C_SCL[]; - -//*** PWM *** - -extern const PinMap PinMap_PWM[]; - -//*** SERIAL *** - -extern const PinMap PinMap_UART_TX[]; -extern const PinMap PinMap_UART_RX[]; - -//*** SPI *** - -extern const PinMap PinMap_SPI_MOSI[]; -extern const PinMap PinMap_SPI_MISO[]; -extern const PinMap PinMap_SPI_SCLK[]; -extern const PinMap PinMap_SPI_SSEL[]; - -#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F072RB/PinNames.h Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,183 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#ifndef MBED_PINNAMES_H -#define MBED_PINNAMES_H - -#include "cmsis.h" - -#ifdef __cplusplus -extern "C" { -#endif - -// See stm32f0xx_hal_gpio.h and stm32f0xx_hal_gpio_ex.h for values of MODE, PUPD and AFNUM -#define STM_PIN_DATA(MODE, PUPD, AFNUM) ((int)(((AFNUM) << 7) | ((PUPD) << 4) | ((MODE) << 0))) -#define STM_PIN_MODE(X) (((X) >> 0) & 0x0F) -#define STM_PIN_PUPD(X) (((X) >> 4) & 0x07) -#define STM_PIN_AFNUM(X) (((X) >> 7) & 0x0F) -#define STM_MODE_INPUT (0) -#define STM_MODE_OUTPUT_PP (1) -#define STM_MODE_OUTPUT_OD (2) -#define STM_MODE_AF_PP (3) -#define STM_MODE_AF_OD (4) -#define STM_MODE_ANALOG (5) -#define STM_MODE_IT_RISING (6) -#define STM_MODE_IT_FALLING (7) -#define STM_MODE_IT_RISING_FALLING (8) -#define STM_MODE_EVT_RISING (9) -#define STM_MODE_EVT_FALLING (10) -#define STM_MODE_EVT_RISING_FALLING (11) -#define STM_MODE_IT_EVT_RESET (12) - -// High nibble = port number (0=A, 1=B, 2=C, 3=D, 4=E, 5=F, 6=G, 7=H) -// Low nibble = pin number -#define STM_PORT(X) (((uint32_t)(X) >> 4) & 0xF) -#define STM_PIN(X) ((uint32_t)(X) & 0xF) - -typedef enum { - PIN_INPUT, - PIN_OUTPUT -} PinDirection; - -typedef enum { - PA_0 = 0x00, - PA_1 = 0x01, - PA_2 = 0x02, - PA_3 = 0x03, - PA_4 = 0x04, - PA_5 = 0x05, - PA_6 = 0x06, - PA_7 = 0x07, - PA_8 = 0x08, - PA_9 = 0x09, - PA_10 = 0x0A, - PA_11 = 0x0B, - PA_12 = 0x0C, - PA_13 = 0x0D, - PA_14 = 0x0E, - PA_15 = 0x0F, - - PB_0 = 0x10, - PB_1 = 0x11, - PB_2 = 0x12, - PB_3 = 0x13, - PB_4 = 0x14, - PB_5 = 0x15, - PB_6 = 0x16, - PB_7 = 0x17, - PB_8 = 0x18, - PB_9 = 0x19, - PB_10 = 0x1A, - PB_11 = 0x1B, - PB_12 = 0x1C, - PB_13 = 0x1D, - PB_14 = 0x1E, - PB_15 = 0x1F, - - PC_0 = 0x20, - PC_1 = 0x21, - PC_2 = 0x22, - PC_3 = 0x23, - PC_4 = 0x24, - PC_5 = 0x25, - PC_6 = 0x26, - PC_7 = 0x27, - PC_8 = 0x28, - PC_9 = 0x29, - PC_10 = 0x2A, - PC_11 = 0x2B, - PC_12 = 0x2C, - PC_13 = 0x2D, - PC_14 = 0x2E, - PC_15 = 0x2F, - - PD_2 = 0x32, - - PF_0 = 0x50, - PF_1 = 0x51, - - // Arduino connector namings - A0 = PA_0, - A1 = PA_1, - A2 = PA_4, - A3 = PB_0, - A4 = PC_1, - A5 = PC_0, - D0 = PA_3, - D1 = PA_2, - D2 = PA_10, - D3 = PB_3, - D4 = PB_5, - D5 = PB_4, - D6 = PB_10, - D7 = PA_8, - D8 = PA_9, - D9 = PC_7, - D10 = PB_6, - D11 = PA_7, - D12 = PA_6, - D13 = PA_5, - D14 = PB_9, - D15 = PB_8, - - // Generic signals namings - LED1 = PA_5, - LED2 = PA_5, - LED3 = PA_5, - LED4 = PA_5, - USER_BUTTON = PC_13, - SERIAL_TX = PA_2, - SERIAL_RX = PA_3, - USBTX = PA_2, - USBRX = PA_3, - I2C_SCL = PB_8, - I2C_SDA = PB_9, - SPI_MOSI = PA_7, - SPI_MISO = PA_6, - SPI_SCK = PA_5, - SPI_CS = PB_6, - PWM_OUT = PB_3, - - // Not connected - NC = (int)0xFFFFFFFF -} PinName; - -typedef enum { - PullNone = 0, - PullUp = 1, - PullDown = 2, - OpenDrain = 3, - PullDefault = PullNone -} PinMode; - -#ifdef __cplusplus -} -#endif - -#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F072RB/PortNames.h Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,48 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#ifndef MBED_PORTNAMES_H -#define MBED_PORTNAMES_H - -#ifdef __cplusplus -extern "C" { -#endif - -typedef enum { - PortA = 0, - PortB = 1, - PortC = 2, - PortD = 3, - PortF = 5 -} PortName; - -#ifdef __cplusplus -} -#endif -#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F072RB/analogin_api.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,175 +0,0 @@ -/* mbed Microcontroller Library - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ -#include "mbed_assert.h" -#include "analogin_api.h" - -#if DEVICE_ANALOGIN - -#include "wait_api.h" -#include "cmsis.h" -#include "pinmap.h" -#include "PeripheralPins.h" - -ADC_HandleTypeDef AdcHandle; - -int adc_inited = 0; - -void analogin_init(analogin_t *obj, PinName pin) -{ - // Get the peripheral name from the pin and assign it to the object - obj->adc = (ADCName)pinmap_peripheral(pin, PinMap_ADC); - MBED_ASSERT(obj->adc != (ADCName)NC); - - // Configure GPIO - pinmap_pinout(pin, PinMap_ADC); - - // Save pin number for the read function - obj->pin = pin; - - // The ADC initialization is done once - if (adc_inited == 0) { - adc_inited = 1; - - // Enable ADC clock - __ADC1_CLK_ENABLE(); - - // Configure ADC - AdcHandle.Instance = (ADC_TypeDef *)(obj->adc); - AdcHandle.Init.ClockPrescaler = ADC_CLOCK_SYNC_PCLK_DIV4; - AdcHandle.Init.Resolution = ADC_RESOLUTION12b; - AdcHandle.Init.DataAlign = ADC_DATAALIGN_RIGHT; - AdcHandle.Init.ScanConvMode = DISABLE; - AdcHandle.Init.EOCSelection = EOC_SINGLE_CONV; - AdcHandle.Init.LowPowerAutoWait = DISABLE; - AdcHandle.Init.LowPowerAutoPowerOff = DISABLE; - AdcHandle.Init.ContinuousConvMode = DISABLE; - AdcHandle.Init.DiscontinuousConvMode = DISABLE; - AdcHandle.Init.ExternalTrigConv = ADC_SOFTWARE_START; - AdcHandle.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_NONE; - AdcHandle.Init.DMAContinuousRequests = DISABLE; - AdcHandle.Init.Overrun = OVR_DATA_OVERWRITTEN; - HAL_ADC_Init(&AdcHandle); - - // Run the ADC calibration - HAL_ADCEx_Calibration_Start(&AdcHandle); - } -} - -static inline uint16_t adc_read(analogin_t *obj) -{ - ADC_ChannelConfTypeDef sConfig; - - AdcHandle.Instance = (ADC_TypeDef *)(obj->adc); - - // Configure ADC channel - sConfig.Rank = ADC_RANK_CHANNEL_NUMBER; - sConfig.SamplingTime = ADC_SAMPLETIME_7CYCLES_5; - - switch (obj->pin) { - case PA_0: - sConfig.Channel = ADC_CHANNEL_0; - break; - case PA_1: - sConfig.Channel = ADC_CHANNEL_1; - break; - case PA_2: - sConfig.Channel = ADC_CHANNEL_2; - break; - case PA_3: - sConfig.Channel = ADC_CHANNEL_3; - break; - case PA_4: - sConfig.Channel = ADC_CHANNEL_4; - break; - case PA_5: - sConfig.Channel = ADC_CHANNEL_5; - break; - case PA_6: - sConfig.Channel = ADC_CHANNEL_6; - break; - case PA_7: - sConfig.Channel = ADC_CHANNEL_7; - break; - case PB_0: - sConfig.Channel = ADC_CHANNEL_8; - break; - case PB_1: - sConfig.Channel = ADC_CHANNEL_9; - break; - case PC_0: - sConfig.Channel = ADC_CHANNEL_10; - break; - case PC_1: - sConfig.Channel = ADC_CHANNEL_11; - break; - case PC_2: - sConfig.Channel = ADC_CHANNEL_12; - break; - case PC_3: - sConfig.Channel = ADC_CHANNEL_13; - break; - case PC_4: - sConfig.Channel = ADC_CHANNEL_14; - break; - case PC_5: - sConfig.Channel = ADC_CHANNEL_15; - break; - default: - return 0; - } - - // Clear all channels as it is not done in HAL_ADC_ConfigChannel() - AdcHandle.Instance->CHSELR = 0; - - HAL_ADC_ConfigChannel(&AdcHandle, &sConfig); - - HAL_ADC_Start(&AdcHandle); // Start conversion - - // Wait end of conversion and get value - if (HAL_ADC_PollForConversion(&AdcHandle, 10) == HAL_OK) { - return (HAL_ADC_GetValue(&AdcHandle)); - } else { - return 0; - } -} - -uint16_t analogin_read_u16(analogin_t *obj) -{ - uint16_t value = adc_read(obj); - // 12-bit to 16-bit conversion - value = ((value << 4) & (uint16_t)0xFFF0) | ((value >> 8) & (uint16_t)0x000F); - return value; -} - -float analogin_read(analogin_t *obj) -{ - uint16_t value = adc_read(obj); - return (float)value * (1.0f / (float)0xFFF); // 12 bits range -} - -#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F072RB/analogout_api.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,136 +0,0 @@ -/* mbed Microcontroller Library - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ -#include "mbed_assert.h" -#include "analogout_api.h" - -#if DEVICE_ANALOGOUT - -#include "cmsis.h" -#include "pinmap.h" -#include "mbed_error.h" -#include "PeripheralPins.h" - -#define DAC_RANGE (0xFFF) // 12 bits - -static DAC_HandleTypeDef DacHandle; - -void analogout_init(dac_t *obj, PinName pin) -{ - DAC_ChannelConfTypeDef sConfig; - - DacHandle.Instance = DAC; - - // Get the peripheral name (DAC_1, ...) from the pin and assign it to the object - obj->dac = (DACName)pinmap_peripheral(pin, PinMap_DAC); - MBED_ASSERT(obj->dac != (DACName)NC); - - // Configure GPIO - pinmap_pinout(pin, PinMap_DAC); - - // Save the channel for future use - obj->pin = pin; - - // Enable DAC clock - __DAC1_CLK_ENABLE(); - - // Configure DAC - sConfig.DAC_Trigger = DAC_TRIGGER_NONE; - sConfig.DAC_OutputBuffer = DAC_OUTPUTBUFFER_DISABLE; - - if (pin == PA_4) { - HAL_DAC_ConfigChannel(&DacHandle, &sConfig, DAC_CHANNEL_1); - } else { // PA_5 - HAL_DAC_ConfigChannel(&DacHandle, &sConfig, DAC_CHANNEL_2); - } - - analogout_write_u16(obj, 0); -} - -void analogout_free(dac_t *obj) -{ - // Reset DAC and disable clock - __DAC1_FORCE_RESET(); - __DAC1_RELEASE_RESET(); - __DAC1_CLK_DISABLE(); - - // Configure GPIO - pin_function(obj->pin, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); -} - -static inline void dac_write(dac_t *obj, uint16_t value) -{ - if (obj->pin == PA_4) { - HAL_DAC_SetValue(&DacHandle, DAC_CHANNEL_1, DAC_ALIGN_12B_R, value); - HAL_DAC_Start(&DacHandle, DAC_CHANNEL_1); - } else { // PA_5 - HAL_DAC_SetValue(&DacHandle, DAC_CHANNEL_2, DAC_ALIGN_12B_R, value); - HAL_DAC_Start(&DacHandle, DAC_CHANNEL_2); - } -} - -static inline int dac_read(dac_t *obj) -{ - if (obj->pin == PA_4) { - return (int)HAL_DAC_GetValue(&DacHandle, DAC_CHANNEL_1); - } else { // PA_5 - return (int)HAL_DAC_GetValue(&DacHandle, DAC_CHANNEL_2); - } -} - -void analogout_write(dac_t *obj, float value) -{ - if (value < 0.0f) { - dac_write(obj, 0); // Min value - } else if (value > 1.0f) { - dac_write(obj, (uint16_t)DAC_RANGE); // Max value - } else { - dac_write(obj, (uint16_t)(value * (float)DAC_RANGE)); - } -} - -void analogout_write_u16(dac_t *obj, uint16_t value) -{ - if (value > (uint16_t)DAC_RANGE) { - dac_write(obj, (uint16_t)DAC_RANGE); // Max value - } else { - dac_write(obj, value); - } -} - -float analogout_read(dac_t *obj) -{ - uint32_t value = dac_read(obj); - return (float)((float)value * (1.0f / (float)DAC_RANGE)); -} - -uint16_t analogout_read_u16(dac_t *obj) -{ - return (uint16_t)dac_read(obj); -} - -#endif // DEVICE_ANALOGOUT
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F072RB/device.h Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,70 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#ifndef MBED_DEVICE_H -#define MBED_DEVICE_H - -#define DEVICE_PORTIN 1 -#define DEVICE_PORTOUT 1 -#define DEVICE_PORTINOUT 1 - -#define DEVICE_INTERRUPTIN 1 - -#define DEVICE_ANALOGIN 1 -#define DEVICE_ANALOGOUT 1 - -#define DEVICE_SERIAL 1 - -#define DEVICE_I2C 1 -#define DEVICE_I2CSLAVE 1 - -#define DEVICE_SPI 1 -#define DEVICE_SPISLAVE 1 - -#define DEVICE_RTC 1 - -#define DEVICE_PWMOUT 1 - -#define DEVICE_SLEEP 1 - -//======================================= - -#define DEVICE_SEMIHOST 0 -#define DEVICE_LOCALFILESYSTEM 0 -#define DEVICE_ID_LENGTH 24 - -#define DEVICE_DEBUG_AWARENESS 0 - -#define DEVICE_STDIO_MESSAGES 1 - -#define DEVICE_ERROR_RED 0 - -#include "objects.h" - -#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F072RB/gpio_api.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,79 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#include "mbed_assert.h" -#include "gpio_api.h" -#include "pinmap.h" -#include "mbed_error.h" - -extern uint32_t Set_GPIO_Clock(uint32_t port_idx); - -uint32_t gpio_set(PinName pin) -{ - MBED_ASSERT(pin != (PinName)NC); - - pin_function(pin, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); - - return (uint32_t)(1 << ((uint32_t)pin & 0xF)); // Return the pin mask -} - -void gpio_init(gpio_t *obj, PinName pin) -{ - obj->pin = pin; - if (pin == (PinName)NC) { - return; - } - - uint32_t port_index = STM_PORT(pin); - - // Enable GPIO clock - uint32_t gpio_add = Set_GPIO_Clock(port_index); - GPIO_TypeDef *gpio = (GPIO_TypeDef *)gpio_add; - - // Fill GPIO object structure for future use - obj->mask = gpio_set(pin); - obj->reg_in = &gpio->IDR; - obj->reg_set = &gpio->BSRR; - obj->reg_clr = &gpio->BRR; -} - -void gpio_mode(gpio_t *obj, PinMode mode) -{ - pin_mode(obj->pin, mode); -} - -void gpio_dir(gpio_t *obj, PinDirection direction) -{ - MBED_ASSERT(obj->pin != (PinName)NC); - if (direction == PIN_OUTPUT) { - pin_function(obj->pin, STM_PIN_DATA(STM_MODE_OUTPUT_PP, GPIO_NOPULL, 0)); - } else { // PIN_INPUT - pin_function(obj->pin, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); - } -}
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F072RB/gpio_irq_api.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,267 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#include <stddef.h> -#include "cmsis.h" -#include "gpio_irq_api.h" -#include "pinmap.h" -#include "mbed_error.h" - -#define EDGE_NONE (0) -#define EDGE_RISE (1) -#define EDGE_FALL (2) -#define EDGE_BOTH (3) - -// Number of EXTI irq vectors (EXTI0_1, EXTI2_3, EXTI4_15) -#define CHANNEL_NUM (3) - -// Max pins for one line (max with EXTI4_15) -#define MAX_PIN_LINE (12) - -typedef struct gpio_channel { - uint32_t pin_mask; // bitmask representing which pins are configured for receiving interrupts - uint32_t channel_ids[MAX_PIN_LINE]; // mbed "gpio_irq_t gpio_irq" field of instance - uint32_t channel_gpio[MAX_PIN_LINE]; // base address of gpio port group - uint32_t channel_pin[MAX_PIN_LINE]; // pin number in port group -} gpio_channel_t; - -static gpio_channel_t channels[CHANNEL_NUM] = { - {.pin_mask = 0}, - {.pin_mask = 0}, - {.pin_mask = 0} -}; - -// Used to return the index for channels array. -static uint32_t pin_base_nr[16] = { - // EXTI0_1 - 0, // pin 0 - 1, // pin 1 - // EXTI2_3 - 0, // pin 2 - 1, // pin 3 - // EXTI4_15 - 0, // pin 4 - 1, // pin 5 - 2, // pin 6 - 3, // pin 7 - 4, // pin 8 - 5, // pin 9 - 6, // pin 10 - 7, // pin 11 - 8, // pin 12 - 9, // pin 13 - 10, // pin 14 - 11 // pin 15 -}; - -static gpio_irq_handler irq_handler; - -static void handle_interrupt_in(uint32_t irq_index, uint32_t max_num_pin_line) -{ - gpio_channel_t *gpio_channel = &channels[irq_index]; - uint32_t gpio_idx; - - for (gpio_idx = 0; gpio_idx < max_num_pin_line; gpio_idx++) { - uint32_t current_mask = (1 << gpio_idx); - - if (gpio_channel->pin_mask & current_mask) { - // Retrieve the gpio and pin that generate the irq - GPIO_TypeDef *gpio = (GPIO_TypeDef *)(gpio_channel->channel_gpio[gpio_idx]); - uint32_t pin = (uint32_t)(1 << (gpio_channel->channel_pin[gpio_idx])); - - // Clear interrupt flag - if (__HAL_GPIO_EXTI_GET_FLAG(pin) != RESET) { - __HAL_GPIO_EXTI_CLEAR_FLAG(pin); - - if (gpio_channel->channel_ids[gpio_idx] == 0) continue; - - // Check which edge has generated the irq - if ((gpio->IDR & pin) == 0) { - irq_handler(gpio_channel->channel_ids[gpio_idx], IRQ_FALL); - } else { - irq_handler(gpio_channel->channel_ids[gpio_idx], IRQ_RISE); - } - } - } - } -} - -// EXTI lines 0 to 1 -static void gpio_irq0(void) -{ - handle_interrupt_in(0, 2); -} - -// EXTI lines 2 to 3 -static void gpio_irq1(void) -{ - handle_interrupt_in(1, 2); -} - -// EXTI lines 4 to 15 -static void gpio_irq2(void) -{ - handle_interrupt_in(2, 12); -} - -extern uint32_t Set_GPIO_Clock(uint32_t port_idx); - -int gpio_irq_init(gpio_irq_t *obj, PinName pin, gpio_irq_handler handler, uint32_t id) -{ - IRQn_Type irq_n = (IRQn_Type)0; - uint32_t vector = 0; - uint32_t irq_index; - gpio_channel_t *gpio_channel; - uint32_t gpio_idx; - - if (pin == NC) return -1; - - uint32_t port_index = STM_PORT(pin); - uint32_t pin_index = STM_PIN(pin); - - // Select irq number and interrupt routine - if ((pin_index == 0) || (pin_index == 1)) { - irq_n = EXTI0_1_IRQn; - vector = (uint32_t)&gpio_irq0; - irq_index = 0; - } else if ((pin_index == 2) || (pin_index == 3)) { - irq_n = EXTI2_3_IRQn; - vector = (uint32_t)&gpio_irq1; - irq_index = 1; - } else if ((pin_index > 3) && (pin_index < 16)) { - irq_n = EXTI4_15_IRQn; - vector = (uint32_t)&gpio_irq2; - irq_index = 2; - } else { - error("InterruptIn error: pin not supported.\n"); - return -1; - } - - // Enable GPIO clock - uint32_t gpio_add = Set_GPIO_Clock(port_index); - - // Configure GPIO - pin_function(pin, STM_PIN_DATA(STM_MODE_IT_FALLING, GPIO_NOPULL, 0)); - - // Enable EXTI interrupt - NVIC_SetVector(irq_n, vector); - NVIC_EnableIRQ(irq_n); - - // Save informations for future use - obj->irq_n = irq_n; - obj->irq_index = irq_index; - obj->event = EDGE_NONE; - obj->pin = pin; - - gpio_channel = &channels[irq_index]; - gpio_idx = pin_base_nr[pin_index]; - gpio_channel->pin_mask |= (1 << gpio_idx); - gpio_channel->channel_ids[gpio_idx] = id; - gpio_channel->channel_gpio[gpio_idx] = gpio_add; - gpio_channel->channel_pin[gpio_idx] = pin_index; - - irq_handler = handler; - - return 0; -} - -void gpio_irq_free(gpio_irq_t *obj) -{ - gpio_channel_t *gpio_channel = &channels[obj->irq_index]; - uint32_t pin_index = STM_PIN(obj->pin); - uint32_t gpio_idx = pin_base_nr[pin_index]; - - gpio_channel->pin_mask &= ~(1 << gpio_idx); - gpio_channel->channel_ids[gpio_idx] = 0; - gpio_channel->channel_gpio[gpio_idx] = 0; - gpio_channel->channel_pin[gpio_idx] = 0; - - // Disable EXTI line - pin_function(obj->pin, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); - obj->event = EDGE_NONE; -} - -void gpio_irq_set(gpio_irq_t *obj, gpio_irq_event event, uint32_t enable) -{ - uint32_t mode = STM_MODE_IT_EVT_RESET; - uint32_t pull = GPIO_NOPULL; - - if (enable) { - if (event == IRQ_RISE) { - if ((obj->event == EDGE_FALL) || (obj->event == EDGE_BOTH)) { - mode = STM_MODE_IT_RISING_FALLING; - obj->event = EDGE_BOTH; - } else { // NONE or RISE - mode = STM_MODE_IT_RISING; - obj->event = EDGE_RISE; - } - } - if (event == IRQ_FALL) { - if ((obj->event == EDGE_RISE) || (obj->event == EDGE_BOTH)) { - mode = STM_MODE_IT_RISING_FALLING; - obj->event = EDGE_BOTH; - } else { // NONE or FALL - mode = STM_MODE_IT_FALLING; - obj->event = EDGE_FALL; - } - } - } else { // Disable - if (event == IRQ_RISE) { - if ((obj->event == EDGE_FALL) || (obj->event == EDGE_BOTH)) { - mode = STM_MODE_IT_FALLING; - obj->event = EDGE_FALL; - } else { // NONE or RISE - mode = STM_MODE_IT_EVT_RESET; - obj->event = EDGE_NONE; - } - } - if (event == IRQ_FALL) { - if ((obj->event == EDGE_RISE) || (obj->event == EDGE_BOTH)) { - mode = STM_MODE_IT_RISING; - obj->event = EDGE_RISE; - } else { // NONE or FALL - mode = STM_MODE_IT_EVT_RESET; - obj->event = EDGE_NONE; - } - } - } - - pin_function(obj->pin, STM_PIN_DATA(mode, pull, 0)); -} - -void gpio_irq_enable(gpio_irq_t *obj) -{ - NVIC_EnableIRQ(obj->irq_n); -} - -void gpio_irq_disable(gpio_irq_t *obj) -{ - NVIC_DisableIRQ(obj->irq_n); - obj->event = EDGE_NONE; -}
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F072RB/gpio_object.h Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,75 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#ifndef MBED_GPIO_OBJECT_H -#define MBED_GPIO_OBJECT_H - -#include "mbed_assert.h" -#include "cmsis.h" -#include "PortNames.h" -#include "PeripheralNames.h" -#include "PinNames.h" - -#ifdef __cplusplus -extern "C" { -#endif - -typedef struct { - PinName pin; - uint32_t mask; - __IO uint32_t *reg_in; - __IO uint32_t *reg_set; - __IO uint32_t *reg_clr; -} gpio_t; - -static inline void gpio_write(gpio_t *obj, int value) -{ - MBED_ASSERT(obj->pin != (PinName)NC); - if (value) { - *obj->reg_set = obj->mask; - } else { - *obj->reg_clr = obj->mask; - } -} - -static inline int gpio_read(gpio_t *obj) -{ - MBED_ASSERT(obj->pin != (PinName)NC); - return ((*obj->reg_in & obj->mask) ? 1 : 0); -} - -static inline int gpio_is_connected(const gpio_t *obj) { - return obj->pin != (PinName)NC; -} - -#ifdef __cplusplus -} -#endif - -#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F072RB/i2c_api.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,390 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#include "mbed_assert.h" -#include "i2c_api.h" - -#if DEVICE_I2C - -#include "cmsis.h" -#include "pinmap.h" -#include "PeripheralPins.h" - -/* Timeout values for flags and events waiting loops. These timeouts are - not based on accurate values, they just guarantee that the application will - not remain stuck if the I2C communication is corrupted. */ -#define FLAG_TIMEOUT ((int)0x1000) -#define LONG_TIMEOUT ((int)0x8000) - -I2C_HandleTypeDef I2cHandle; - -int i2c1_inited = 0; -int i2c2_inited = 0; - -void i2c_init(i2c_t *obj, PinName sda, PinName scl) -{ - // Determine the I2C to use - I2CName i2c_sda = (I2CName)pinmap_peripheral(sda, PinMap_I2C_SDA); - I2CName i2c_scl = (I2CName)pinmap_peripheral(scl, PinMap_I2C_SCL); - - obj->i2c = (I2CName)pinmap_merge(i2c_sda, i2c_scl); - MBED_ASSERT(obj->i2c != (I2CName)NC); - - // Enable I2C1 clock and pinout if not done - if ((obj->i2c == I2C_1) && !i2c1_inited) { - i2c1_inited = 1; - __HAL_RCC_I2C1_CONFIG(RCC_I2C1CLKSOURCE_SYSCLK); - __I2C1_CLK_ENABLE(); - // Configure I2C pins - pinmap_pinout(sda, PinMap_I2C_SDA); - pinmap_pinout(scl, PinMap_I2C_SCL); - pin_mode(sda, OpenDrain); - pin_mode(scl, OpenDrain); - } - - // Enable I2C2 clock and pinout if not done - if ((obj->i2c == I2C_2) && !i2c2_inited) { - i2c2_inited = 1; - __I2C2_CLK_ENABLE(); - // Configure I2C pins - pinmap_pinout(sda, PinMap_I2C_SDA); - pinmap_pinout(scl, PinMap_I2C_SCL); - pin_mode(sda, OpenDrain); - pin_mode(scl, OpenDrain); - } - - // Reset to clear pending flags if any - i2c_reset(obj); - - // I2C configuration - i2c_frequency(obj, 100000); // 100 kHz per default -} - -void i2c_frequency(i2c_t *obj, int hz) -{ - MBED_ASSERT((hz == 100000) || (hz == 400000) || (hz == 1000000)); - I2cHandle.Instance = (I2C_TypeDef *)(obj->i2c); - int timeout; - - // wait before init - timeout = LONG_TIMEOUT; - while ((__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_BUSY)) && (timeout-- != 0)); - - // Common settings: I2C clock = 48 MHz, Analog filter = ON, Digital filter coefficient = 0 - switch (hz) { - case 100000: - I2cHandle.Init.Timing = 0x10805E89; // Standard mode with Rise Time = 400ns and Fall Time = 100ns - break; - case 400000: - I2cHandle.Init.Timing = 0x00901850; // Fast mode with Rise Time = 250ns and Fall Time = 100ns - break; - case 1000000: - I2cHandle.Init.Timing = 0x00700818; // Fast mode Plus with Rise Time = 60ns and Fall Time = 100ns - break; - default: - break; - } - - // I2C configuration - I2cHandle.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT; - I2cHandle.Init.DualAddressMode = I2C_DUALADDRESS_DISABLED; - I2cHandle.Init.GeneralCallMode = I2C_GENERALCALL_DISABLED; - I2cHandle.Init.NoStretchMode = I2C_NOSTRETCH_DISABLED; - I2cHandle.Init.OwnAddress1 = 0; - I2cHandle.Init.OwnAddress2 = 0; - I2cHandle.Init.OwnAddress2Masks = I2C_OA2_NOMASK; - HAL_I2C_Init(&I2cHandle); -} - -inline int i2c_start(i2c_t *obj) -{ - I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c); - int timeout; - - I2cHandle.Instance = (I2C_TypeDef *)(obj->i2c); - - // Clear Acknowledge failure flag - __HAL_I2C_CLEAR_FLAG(&I2cHandle, I2C_FLAG_AF); - - // Generate the START condition - i2c->CR2 |= I2C_CR2_START; - - // Wait the START condition has been correctly sent - timeout = FLAG_TIMEOUT; - while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_BUSY) == RESET) { - if ((timeout--) == 0) { - return 1; - } - } - - return 0; -} - -inline int i2c_stop(i2c_t *obj) -{ - I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c); - - // Generate the STOP condition - i2c->CR2 |= I2C_CR2_STOP; - - return 0; -} - -int i2c_read(i2c_t *obj, int address, char *data, int length, int stop) -{ - I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c); - I2cHandle.Instance = (I2C_TypeDef *)(obj->i2c); - int timeout; - int count; - int value; - - // Update CR2 register - i2c->CR2 = (i2c->CR2 & (uint32_t)~((uint32_t)(I2C_CR2_SADD | I2C_CR2_NBYTES | I2C_CR2_RELOAD | I2C_CR2_AUTOEND | I2C_CR2_RD_WRN | I2C_CR2_START | I2C_CR2_STOP))) - | (uint32_t)(((uint32_t)address & I2C_CR2_SADD) | (((uint32_t)length << 16) & I2C_CR2_NBYTES) | (uint32_t)I2C_SOFTEND_MODE | (uint32_t)I2C_GENERATE_START_READ); - - // Read all bytes - for (count = 0; count < length; count++) { - value = i2c_byte_read(obj, 0); - data[count] = (char)value; - } - - // Wait transfer complete - timeout = FLAG_TIMEOUT; - while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_TC) == RESET) { - timeout--; - if (timeout == 0) { - return -1; - } - } - __HAL_I2C_CLEAR_FLAG(&I2cHandle, I2C_FLAG_TC); - - // If not repeated start, send stop. - if (stop) { - i2c_stop(obj); - // Wait until STOPF flag is set - timeout = FLAG_TIMEOUT; - while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_STOPF) == RESET) { - timeout--; - if (timeout == 0) { - return -1; - } - } - // Clear STOP Flag - __HAL_I2C_CLEAR_FLAG(&I2cHandle, I2C_FLAG_STOPF); - } - - return length; -} - -int i2c_write(i2c_t *obj, int address, const char *data, int length, int stop) -{ - I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c); - I2cHandle.Instance = (I2C_TypeDef *)(obj->i2c); - int timeout; - int count; - - // Update CR2 register - i2c->CR2 = (i2c->CR2 & (uint32_t)~((uint32_t)(I2C_CR2_SADD | I2C_CR2_NBYTES | I2C_CR2_RELOAD | I2C_CR2_AUTOEND | I2C_CR2_RD_WRN | I2C_CR2_START | I2C_CR2_STOP))) - | (uint32_t)(((uint32_t)address & I2C_CR2_SADD) | (((uint32_t)length << 16) & I2C_CR2_NBYTES) | (uint32_t)I2C_SOFTEND_MODE | (uint32_t)I2C_GENERATE_START_WRITE); - - for (count = 0; count < length; count++) { - i2c_byte_write(obj, data[count]); - } - - // Wait transfer complete - timeout = FLAG_TIMEOUT; - while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_TC) == RESET) { - timeout--; - if (timeout == 0) { - return -1; - } - } - __HAL_I2C_CLEAR_FLAG(&I2cHandle, I2C_FLAG_TC); - - // If not repeated start, send stop - if (stop) { - i2c_stop(obj); - // Wait until STOPF flag is set - timeout = FLAG_TIMEOUT; - while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_STOPF) == RESET) { - timeout--; - if (timeout == 0) { - return -1; - } - } - // Clear STOP Flag - __HAL_I2C_CLEAR_FLAG(&I2cHandle, I2C_FLAG_STOPF); - } - - return count; -} - -int i2c_byte_read(i2c_t *obj, int last) -{ - I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c); - int timeout; - - // Wait until the byte is received - timeout = FLAG_TIMEOUT; - while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_RXNE) == RESET) { - if ((timeout--) == 0) { - return -1; - } - } - - return (int)i2c->RXDR; -} - -int i2c_byte_write(i2c_t *obj, int data) -{ - I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c); - int timeout; - - // Wait until the previous byte is transmitted - timeout = FLAG_TIMEOUT; - while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_TXIS) == RESET) { - if ((timeout--) == 0) { - return 0; - } - } - - i2c->TXDR = (uint8_t)data; - - return 1; -} - -void i2c_reset(i2c_t *obj) -{ - int timeout; - - // Wait before reset - timeout = LONG_TIMEOUT; - while ((__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_BUSY)) && (timeout-- != 0)); - - if (obj->i2c == I2C_1) { - __I2C1_FORCE_RESET(); - __I2C1_RELEASE_RESET(); - } - if (obj->i2c == I2C_2) { - __I2C2_FORCE_RESET(); - __I2C2_RELEASE_RESET(); - } -} - -#if DEVICE_I2CSLAVE - -void i2c_slave_address(i2c_t *obj, int idx, uint32_t address, uint32_t mask) -{ - I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c); - uint16_t tmpreg = 0; - - // disable - i2c->OAR1 &= (uint32_t)(~I2C_OAR1_OA1EN); - // Get the old register value - tmpreg = i2c->OAR1; - // Reset address bits - tmpreg &= 0xFC00; - // Set new address - tmpreg |= (uint16_t)((uint16_t)address & (uint16_t)0x00FE); // 7-bits - // Store the new register value - i2c->OAR1 = tmpreg; - // enable - i2c->OAR1 |= I2C_OAR1_OA1EN; -} - -void i2c_slave_mode(i2c_t *obj, int enable_slave) -{ - I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c); - uint16_t tmpreg; - - // Get the old register value - tmpreg = i2c->OAR1; - - // Enable / disable slave - if (enable_slave == 1) { - tmpreg |= I2C_OAR1_OA1EN; - } else { - tmpreg &= (uint32_t)(~I2C_OAR1_OA1EN); - } - - // Set new mode - i2c->OAR1 = tmpreg; -} - -// See I2CSlave.h -#define NoData 0 // the slave has not been addressed -#define ReadAddressed 1 // the master has requested a read from this slave (slave = transmitter) -#define WriteGeneral 2 // the master is writing to all slave -#define WriteAddressed 3 // the master is writing to this slave (slave = receiver) - -int i2c_slave_receive(i2c_t *obj) -{ - I2cHandle.Instance = (I2C_TypeDef *)(obj->i2c); - int retValue = NoData; - - if (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_BUSY) == 1) { - if (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_ADDR) == 1) { - if (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_DIR) == 1) - retValue = ReadAddressed; - else - retValue = WriteAddressed; - - __HAL_I2C_CLEAR_FLAG(&I2cHandle, I2C_FLAG_ADDR); - } - } - - return (retValue); -} - -int i2c_slave_read(i2c_t *obj, char *data, int length) -{ - char size = 0; - - while (size < length) data[size++] = (char)i2c_byte_read(obj, 0); - - return size; -} - -int i2c_slave_write(i2c_t *obj, const char *data, int length) -{ - char size = 0; - I2cHandle.Instance = (I2C_TypeDef *)(obj->i2c); - - do { - i2c_byte_write(obj, data[size]); - size++; - } while (size < length); - - return size; -} - - -#endif // DEVICE_I2CSLAVE - -#endif // DEVICE_I2C
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F072RB/mbed_overrides.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,37 +0,0 @@ -/* mbed Microcontroller Library - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ -#include "cmsis.h" - -// This function is called after RAM initialization and before main. -void mbed_sdk_init() -{ - // Update the SystemCoreClock variable. - SystemCoreClockUpdate(); - // Need to restart HAL driver after the RAM is initialized - HAL_Init(); -}
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F072RB/objects.h Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,109 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#ifndef MBED_OBJECTS_H -#define MBED_OBJECTS_H - -#include "cmsis.h" -#include "PortNames.h" -#include "PeripheralNames.h" -#include "PinNames.h" - -#ifdef __cplusplus -extern "C" { -#endif - -struct gpio_irq_s { - IRQn_Type irq_n; - uint32_t irq_index; - uint32_t event; - PinName pin; -}; - -struct port_s { - PortName port; - uint32_t mask; - PinDirection direction; - __IO uint32_t *reg_in; - __IO uint32_t *reg_out; -}; - -struct analogin_s { - ADCName adc; - PinName pin; -}; - -struct dac_s { - DACName dac; - PinName pin; -}; - -struct serial_s { - UARTName uart; - int index; // Used by irq - uint32_t baudrate; - uint32_t databits; - uint32_t stopbits; - uint32_t parity; - PinName pin_tx; - PinName pin_rx; -}; - -struct spi_s { - SPIName spi; - uint32_t bits; - uint32_t cpol; - uint32_t cpha; - uint32_t mode; - uint32_t nss; - uint32_t br_presc; - PinName pin_miso; - PinName pin_mosi; - PinName pin_sclk; - PinName pin_ssel; -}; - -struct i2c_s { - I2CName i2c; -}; - -struct pwmout_s { - PWMName pwm; - PinName pin; - uint32_t period; - uint32_t pulse; -}; - -#include "gpio_object.h" - -#ifdef __cplusplus -} -#endif - -#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F072RB/pinmap.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,139 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#include "mbed_assert.h" -#include "pinmap.h" -#include "PortNames.h" -#include "mbed_error.h" - -// GPIO mode look-up table -static const uint32_t gpio_mode[13] = { - 0x00000000, // 0 = GPIO_MODE_INPUT - 0x00000001, // 1 = GPIO_MODE_OUTPUT_PP - 0x00000011, // 2 = GPIO_MODE_OUTPUT_OD - 0x00000002, // 3 = GPIO_MODE_AF_PP - 0x00000012, // 4 = GPIO_MODE_AF_OD - 0x00000003, // 5 = GPIO_MODE_ANALOG - 0x10110000, // 6 = GPIO_MODE_IT_RISING - 0x10210000, // 7 = GPIO_MODE_IT_FALLING - 0x10310000, // 8 = GPIO_MODE_IT_RISING_FALLING - 0x10120000, // 9 = GPIO_MODE_EVT_RISING - 0x10220000, // 10 = GPIO_MODE_EVT_FALLING - 0x10320000, // 11 = GPIO_MODE_EVT_RISING_FALLING - 0x10000000 // 12 = Reset IT and EVT (not in STM32Cube HAL) -}; - -// Enable GPIO clock and return GPIO base address -uint32_t Set_GPIO_Clock(uint32_t port_idx) -{ - uint32_t gpio_add = 0; - switch (port_idx) { - case PortA: - gpio_add = GPIOA_BASE; - __GPIOA_CLK_ENABLE(); - break; - case PortB: - gpio_add = GPIOB_BASE; - __GPIOB_CLK_ENABLE(); - break; - case PortC: - gpio_add = GPIOC_BASE; - __GPIOC_CLK_ENABLE(); - break; - case PortD: - gpio_add = GPIOD_BASE; - __GPIOD_CLK_ENABLE(); - break; - case PortF: - gpio_add = GPIOF_BASE; - __GPIOF_CLK_ENABLE(); - break; - default: - error("Pinmap error: wrong port number."); - break; - } - return gpio_add; -} - -/** - * Configure pin (mode, speed, output type and pull-up/pull-down) - */ -void pin_function(PinName pin, int data) -{ - MBED_ASSERT(pin != (PinName)NC); - - // Get the pin informations - uint32_t mode = STM_PIN_MODE(data); - uint32_t pupd = STM_PIN_PUPD(data); - uint32_t afnum = STM_PIN_AFNUM(data); - - uint32_t port_index = STM_PORT(pin); - uint32_t pin_index = STM_PIN(pin); - - // Enable GPIO clock - uint32_t gpio_add = Set_GPIO_Clock(port_index); - GPIO_TypeDef *gpio = (GPIO_TypeDef *)gpio_add; - - // Configure GPIO - GPIO_InitTypeDef GPIO_InitStructure; - GPIO_InitStructure.Pin = (uint32_t)(1 << pin_index); - GPIO_InitStructure.Mode = gpio_mode[mode]; - GPIO_InitStructure.Pull = pupd; - GPIO_InitStructure.Speed = GPIO_SPEED_HIGH; - GPIO_InitStructure.Alternate = afnum; - HAL_GPIO_Init(gpio, &GPIO_InitStructure); - - // [TODO] Disconnect SWDIO and SWCLK signals ? - // Warning: For debugging it is necessary to reconnect under reset if this is done. - //if ((pin == PA_13) || (pin == PA_14)) { - // - //} -} - -/** - * Configure pin pull-up/pull-down - */ -void pin_mode(PinName pin, PinMode mode) -{ - MBED_ASSERT(pin != (PinName)NC); - - uint32_t port_index = STM_PORT(pin); - uint32_t pin_index = STM_PIN(pin); - - // Enable GPIO clock - uint32_t gpio_add = Set_GPIO_Clock(port_index); - GPIO_TypeDef *gpio = (GPIO_TypeDef *)gpio_add; - - // Configure pull-up/pull-down resistors - uint32_t pupd = (uint32_t)mode; - if (pupd > 2) pupd = 0; // Open-drain = No pull-up/No pull-down - gpio->PUPDR &= (uint32_t)(~(GPIO_PUPDR_PUPDR0 << (pin_index * 2))); - gpio->PUPDR |= (uint32_t)(pupd << (pin_index * 2)); - -}
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F072RB/port_api.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,103 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#include "port_api.h" -#include "pinmap.h" -#include "gpio_api.h" -#include "mbed_error.h" - -#if DEVICE_PORTIN || DEVICE_PORTOUT - -extern uint32_t Set_GPIO_Clock(uint32_t port_idx); - -// high nibble = port number (0=A, 1=B, 2=C, 3=D, 4=E, 5=F, ...) -// low nibble = pin number -PinName port_pin(PortName port, int pin_n) -{ - return (PinName)(pin_n + (port << 4)); -} - -void port_init(port_t *obj, PortName port, int mask, PinDirection dir) -{ - uint32_t port_index = (uint32_t)port; - - // Enable GPIO clock - uint32_t gpio_add = Set_GPIO_Clock(port_index); - GPIO_TypeDef *gpio = (GPIO_TypeDef *)gpio_add; - - // Fill PORT object structure for future use - obj->port = port; - obj->mask = mask; - obj->direction = dir; - obj->reg_in = &gpio->IDR; - obj->reg_out = &gpio->ODR; - - port_dir(obj, dir); -} - -void port_dir(port_t *obj, PinDirection dir) -{ - uint32_t i; - obj->direction = dir; - for (i = 0; i < 16; i++) { // Process all pins - if (obj->mask & (1 << i)) { // If the pin is used - if (dir == PIN_OUTPUT) { - pin_function(port_pin(obj->port, i), STM_PIN_DATA(STM_MODE_OUTPUT_PP, GPIO_NOPULL, 0)); - } else { // PIN_INPUT - pin_function(port_pin(obj->port, i), STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); - } - } - } -} - -void port_mode(port_t *obj, PinMode mode) -{ - uint32_t i; - for (i = 0; i < 16; i++) { // Process all pins - if (obj->mask & (1 << i)) { // If the pin is used - pin_mode(port_pin(obj->port, i), mode); - } - } -} - -void port_write(port_t *obj, int value) -{ - *obj->reg_out = (*obj->reg_out & ~obj->mask) | (value & obj->mask); -} - -int port_read(port_t *obj) -{ - if (obj->direction == PIN_OUTPUT) { - return (*obj->reg_out & obj->mask); - } else { // PIN_INPUT - return (*obj->reg_in & obj->mask); - } -} - -#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F072RB/pwmout_api.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,216 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#include "pwmout_api.h" - -#if DEVICE_PWMOUT - -#include "cmsis.h" -#include "pinmap.h" -#include "mbed_error.h" -#include "PeripheralPins.h" - -static TIM_HandleTypeDef TimHandle; - -void pwmout_init(pwmout_t* obj, PinName pin) -{ - // Get the peripheral name from the pin and assign it to the object - obj->pwm = (PWMName)pinmap_peripheral(pin, PinMap_PWM); - - if (obj->pwm == (PWMName)NC) { - error("PWM error: pinout mapping failed."); - } - - // Enable TIM clock - if (obj->pwm == PWM_1) __TIM1_CLK_ENABLE(); - if (obj->pwm == PWM_2) __TIM2_CLK_ENABLE(); - if (obj->pwm == PWM_3) __TIM3_CLK_ENABLE(); - if (obj->pwm == PWM_14) __TIM14_CLK_ENABLE(); - if (obj->pwm == PWM_15) __TIM15_CLK_ENABLE(); - if (obj->pwm == PWM_16) __TIM16_CLK_ENABLE(); - if (obj->pwm == PWM_17) __TIM17_CLK_ENABLE(); - - // Configure GPIO - pinmap_pinout(pin, PinMap_PWM); - - obj->pin = pin; - obj->period = 0; - obj->pulse = 0; - - pwmout_period_us(obj, 20000); // 20 ms per default -} - -void pwmout_free(pwmout_t* obj) -{ - // Configure GPIO - pin_function(obj->pin, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); -} - -void pwmout_write(pwmout_t* obj, float value) -{ - TIM_OC_InitTypeDef sConfig; - int channel = 0; - int complementary_channel = 0; - - TimHandle.Instance = (TIM_TypeDef *)(obj->pwm); - - if (value < (float)0.0) { - value = 0.0; - } else if (value > (float)1.0) { - value = 1.0; - } - - obj->pulse = (uint32_t)((float)obj->period * value); - - // Configure channels - sConfig.OCMode = TIM_OCMODE_PWM1; - sConfig.Pulse = obj->pulse; - sConfig.OCPolarity = TIM_OCPOLARITY_HIGH; - sConfig.OCNPolarity = TIM_OCNPOLARITY_HIGH; - sConfig.OCFastMode = TIM_OCFAST_DISABLE; - sConfig.OCIdleState = TIM_OCIDLESTATE_RESET; - sConfig.OCNIdleState = TIM_OCNIDLESTATE_RESET; - - switch (obj->pin) { - // Channels 1 - case PA_2: - case PA_4: - case PA_6: - case PA_7: - case PA_8: - case PB_1: - case PB_4: - case PB_8: - case PB_9: - case PB_14: - case PC_6: - channel = TIM_CHANNEL_1; - break; - // Channels 1N - case PA_1: - case PB_6: - case PB_7: - case PB_13: - channel = TIM_CHANNEL_1; - complementary_channel = 1; - break; - // Channels 2 - case PA_3: - case PA_9: - case PB_5: - case PB_15: - case PC_7: - channel = TIM_CHANNEL_2; - break; - // Channels 3 - case PA_10: - case PB_0: - case PC_8: - channel = TIM_CHANNEL_3; - break; - // Channels 4 - case PA_11: - case PC_9: - channel = TIM_CHANNEL_4; - break; - default: - return; - } - - HAL_TIM_PWM_ConfigChannel(&TimHandle, &sConfig, channel); - - if (complementary_channel) { - HAL_TIMEx_PWMN_Start(&TimHandle, channel); - } else { - HAL_TIM_PWM_Start(&TimHandle, channel); - } -} - -float pwmout_read(pwmout_t* obj) -{ - float value = 0; - if (obj->period > 0) { - value = (float)(obj->pulse) / (float)(obj->period); - } - return ((value > (float)1.0) ? (float)(1.0) : (value)); -} - -void pwmout_period(pwmout_t* obj, float seconds) -{ - pwmout_period_us(obj, seconds * 1000000.0f); -} - -void pwmout_period_ms(pwmout_t* obj, int ms) -{ - pwmout_period_us(obj, ms * 1000); -} - -void pwmout_period_us(pwmout_t* obj, int us) -{ - TimHandle.Instance = (TIM_TypeDef *)(obj->pwm); - - float dc = pwmout_read(obj); - - __HAL_TIM_DISABLE(&TimHandle); - - // Update the SystemCoreClock variable - SystemCoreClockUpdate(); - - TimHandle.Init.Period = us - 1; - TimHandle.Init.Prescaler = (uint16_t)(SystemCoreClock / 1000000) - 1; // 1 µs tick - TimHandle.Init.ClockDivision = 0; - TimHandle.Init.CounterMode = TIM_COUNTERMODE_UP; - HAL_TIM_PWM_Init(&TimHandle); - - // Set duty cycle again - pwmout_write(obj, dc); - - // Save for future use - obj->period = us; - - __HAL_TIM_ENABLE(&TimHandle); -} - -void pwmout_pulsewidth(pwmout_t* obj, float seconds) -{ - pwmout_pulsewidth_us(obj, seconds * 1000000.0f); -} - -void pwmout_pulsewidth_ms(pwmout_t* obj, int ms) -{ - pwmout_pulsewidth_us(obj, ms * 1000); -} - -void pwmout_pulsewidth_us(pwmout_t* obj, int us) -{ - float value = (float)us / (float)obj->period; - pwmout_write(obj, value); -} - -#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F072RB/rtc_api.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,201 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#include "rtc_api.h" - -#if DEVICE_RTC - -#include "mbed_error.h" - -static int rtc_inited = 0; - -static RTC_HandleTypeDef RtcHandle; - -void rtc_init(void) -{ - RCC_OscInitTypeDef RCC_OscInitStruct; - uint32_t rtc_freq = 0; - - if (rtc_inited) return; - rtc_inited = 1; - - RtcHandle.Instance = RTC; - - // Enable Power clock - __PWR_CLK_ENABLE(); - - // Enable access to Backup domain - HAL_PWR_EnableBkUpAccess(); - - // Reset Backup domain - __HAL_RCC_BACKUPRESET_FORCE(); - __HAL_RCC_BACKUPRESET_RELEASE(); - - // Enable LSE Oscillator - RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSE; - RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE; // Mandatory, otherwise the PLL is reconfigured! - RCC_OscInitStruct.LSEState = RCC_LSE_ON; // External 32.768 kHz clock on OSC_IN/OSC_OUT - if (HAL_RCC_OscConfig(&RCC_OscInitStruct) == HAL_OK) { - // Connect LSE to RTC - __HAL_RCC_RTC_CONFIG(RCC_RTCCLKSOURCE_LSE); - rtc_freq = LSE_VALUE; - } else { - // Enable LSI clock - RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI | RCC_OSCILLATORTYPE_LSE; - RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE; // Mandatory, otherwise the PLL is reconfigured! - RCC_OscInitStruct.LSEState = RCC_LSE_OFF; - RCC_OscInitStruct.LSIState = RCC_LSI_ON; - if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) { - error("RTC error: LSI clock initialization failed."); - } - // Connect LSI to RTC - __HAL_RCC_RTC_CONFIG(RCC_RTCCLKSOURCE_LSI); - // This value is LSI typical value. To be measured precisely using a timer input capture for example. - rtc_freq = LSI_VALUE; - } - - // Enable RTC - __HAL_RCC_RTC_ENABLE(); - - RtcHandle.Init.HourFormat = RTC_HOURFORMAT_24; - RtcHandle.Init.AsynchPrediv = 127; - RtcHandle.Init.SynchPrediv = (rtc_freq / 128) - 1; - RtcHandle.Init.OutPut = RTC_OUTPUT_DISABLE; - RtcHandle.Init.OutPutPolarity = RTC_OUTPUT_POLARITY_HIGH; - RtcHandle.Init.OutPutType = RTC_OUTPUT_TYPE_OPENDRAIN; - - if (HAL_RTC_Init(&RtcHandle) != HAL_OK) { - error("RTC error: RTC initialization failed."); - } -} - -void rtc_free(void) -{ - // Enable Power clock - __PWR_CLK_ENABLE(); - - // Enable access to Backup domain - HAL_PWR_EnableBkUpAccess(); - - // Reset Backup domain - __HAL_RCC_BACKUPRESET_FORCE(); - __HAL_RCC_BACKUPRESET_RELEASE(); - - // Disable access to Backup domain - HAL_PWR_DisableBkUpAccess(); - - // Disable LSI and LSE clocks - RCC_OscInitTypeDef RCC_OscInitStruct; - RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI | RCC_OSCILLATORTYPE_LSE; - RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE; - RCC_OscInitStruct.LSIState = RCC_LSI_OFF; - RCC_OscInitStruct.LSEState = RCC_LSE_OFF; - HAL_RCC_OscConfig(&RCC_OscInitStruct); - - rtc_inited = 0; -} - -int rtc_isenabled(void) -{ - return rtc_inited; -} - -/* - RTC Registers - RTC_WeekDay 1=monday, 2=tuesday, ..., 7=sunday - RTC_Month 1=january, 2=february, ..., 12=december - RTC_Date day of the month 1-31 - RTC_Year year 0-99 - struct tm - tm_sec seconds after the minute 0-61 - tm_min minutes after the hour 0-59 - tm_hour hours since midnight 0-23 - tm_mday day of the month 1-31 - tm_mon months since January 0-11 - tm_year years since 1900 - tm_wday days since Sunday 0-6 - tm_yday days since January 1 0-365 - tm_isdst Daylight Saving Time flag -*/ -time_t rtc_read(void) -{ - RTC_DateTypeDef dateStruct; - RTC_TimeTypeDef timeStruct; - struct tm timeinfo; - - RtcHandle.Instance = RTC; - - // Read actual date and time - // Warning: the time must be read first! - HAL_RTC_GetTime(&RtcHandle, &timeStruct, FORMAT_BIN); - HAL_RTC_GetDate(&RtcHandle, &dateStruct, FORMAT_BIN); - - // Setup a tm structure based on the RTC - timeinfo.tm_wday = dateStruct.WeekDay; - timeinfo.tm_mon = dateStruct.Month - 1; - timeinfo.tm_mday = dateStruct.Date; - timeinfo.tm_year = dateStruct.Year + 100; - timeinfo.tm_hour = timeStruct.Hours; - timeinfo.tm_min = timeStruct.Minutes; - timeinfo.tm_sec = timeStruct.Seconds; - - // Convert to timestamp - time_t t = mktime(&timeinfo); - - return t; -} - -void rtc_write(time_t t) -{ - RTC_DateTypeDef dateStruct; - RTC_TimeTypeDef timeStruct; - - RtcHandle.Instance = RTC; - - // Convert the time into a tm - struct tm *timeinfo = localtime(&t); - - // Fill RTC structures - dateStruct.WeekDay = timeinfo->tm_wday; - dateStruct.Month = timeinfo->tm_mon + 1; - dateStruct.Date = timeinfo->tm_mday; - dateStruct.Year = timeinfo->tm_year - 100; - timeStruct.Hours = timeinfo->tm_hour; - timeStruct.Minutes = timeinfo->tm_min; - timeStruct.Seconds = timeinfo->tm_sec; - timeStruct.TimeFormat = RTC_HOURFORMAT12_PM; - timeStruct.DayLightSaving = RTC_DAYLIGHTSAVING_NONE; - timeStruct.StoreOperation = RTC_STOREOPERATION_RESET; - - // Change the RTC current date/time - HAL_RTC_SetDate(&RtcHandle, &dateStruct, FORMAT_BIN); - HAL_RTC_SetTime(&RtcHandle, &timeStruct, FORMAT_BIN); -} - -#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F072RB/serial_api.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,366 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#include "mbed_assert.h" -#include "serial_api.h" - -#if DEVICE_SERIAL - -#include "cmsis.h" -#include "pinmap.h" -#include <string.h> -#include "PeripheralPins.h" - -#define UART_NUM (4) - -static uint32_t serial_irq_ids[UART_NUM] = {0, 0, 0, 0}; - -static uart_irq_handler irq_handler; - -UART_HandleTypeDef UartHandle; - -int stdio_uart_inited = 0; -serial_t stdio_uart; - -static void init_uart(serial_t *obj) -{ - UartHandle.Instance = (USART_TypeDef *)(obj->uart); - - UartHandle.Init.BaudRate = obj->baudrate; - UartHandle.Init.WordLength = obj->databits; - UartHandle.Init.StopBits = obj->stopbits; - UartHandle.Init.Parity = obj->parity; - UartHandle.Init.HwFlowCtl = UART_HWCONTROL_NONE; - - if (obj->pin_rx == NC) { - UartHandle.Init.Mode = UART_MODE_TX; - } else if (obj->pin_tx == NC) { - UartHandle.Init.Mode = UART_MODE_RX; - } else { - UartHandle.Init.Mode = UART_MODE_TX_RX; - } - - // Disable the reception overrun detection - UartHandle.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_RXOVERRUNDISABLE_INIT; - UartHandle.AdvancedInit.OverrunDisable = UART_ADVFEATURE_OVERRUN_DISABLE; - - HAL_UART_Init(&UartHandle); -} - -void serial_init(serial_t *obj, PinName tx, PinName rx) -{ - // Determine the UART to use (UART_1, UART_2, ...) - UARTName uart_tx = (UARTName)pinmap_peripheral(tx, PinMap_UART_TX); - UARTName uart_rx = (UARTName)pinmap_peripheral(rx, PinMap_UART_RX); - - // Get the peripheral name (UART_1, UART_2, ...) from the pin and assign it to the object - obj->uart = (UARTName)pinmap_merge(uart_tx, uart_rx); - MBED_ASSERT(obj->uart != (UARTName)NC); - - // Enable USART clock - if (obj->uart == UART_1) { - __USART1_CLK_ENABLE(); - obj->index = 0; - } - - if (obj->uart == UART_2) { - __USART2_CLK_ENABLE(); - obj->index = 1; - } - - if (obj->uart == UART_3) { - __USART3_CLK_ENABLE(); - obj->index = 2; - } - - if (obj->uart == UART_4) { - __USART4_CLK_ENABLE(); - obj->index = 3; - } - - // Configure the UART pins - pinmap_pinout(tx, PinMap_UART_TX); - pinmap_pinout(rx, PinMap_UART_RX); - if (tx != NC) { - pin_mode(tx, PullUp); - } - if (rx != NC) { - pin_mode(rx, PullUp); - } - - // Configure UART - obj->baudrate = 9600; - obj->databits = UART_WORDLENGTH_8B; - obj->stopbits = UART_STOPBITS_1; - obj->parity = UART_PARITY_NONE; - - obj->pin_tx = tx; - obj->pin_rx = rx; - - init_uart(obj); - - // For stdio management - if (obj->uart == STDIO_UART) { - stdio_uart_inited = 1; - memcpy(&stdio_uart, obj, sizeof(serial_t)); - } -} - -void serial_free(serial_t *obj) -{ - // Reset UART and disable clock - if (obj->uart == UART_1) { - __USART1_FORCE_RESET(); - __USART1_RELEASE_RESET(); - __USART1_CLK_DISABLE(); - } - - if (obj->uart == UART_2) { - __USART2_FORCE_RESET(); - __USART2_RELEASE_RESET(); - __USART2_CLK_DISABLE(); - } - - if (obj->uart == UART_3) { - __USART3_FORCE_RESET(); - __USART3_RELEASE_RESET(); - __USART3_CLK_DISABLE(); - } - - if (obj->uart == UART_4) { - __USART4_FORCE_RESET(); - __USART4_RELEASE_RESET(); - __USART4_CLK_DISABLE(); - } - - // Configure GPIOs - pin_function(obj->pin_tx, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); - pin_function(obj->pin_rx, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); - - serial_irq_ids[obj->index] = 0; -} - -void serial_baud(serial_t *obj, int baudrate) -{ - obj->baudrate = baudrate; - init_uart(obj); -} - -void serial_format(serial_t *obj, int data_bits, SerialParity parity, int stop_bits) -{ - if (data_bits == 9) { - obj->databits = UART_WORDLENGTH_9B; - } else { - obj->databits = UART_WORDLENGTH_8B; - } - - switch (parity) { - case ParityOdd: - case ParityForced0: - obj->parity = UART_PARITY_ODD; - break; - case ParityEven: - case ParityForced1: - obj->parity = UART_PARITY_EVEN; - break; - default: // ParityNone - obj->parity = UART_PARITY_NONE; - break; - } - - if (stop_bits == 2) { - obj->stopbits = UART_STOPBITS_2; - } else { - obj->stopbits = UART_STOPBITS_1; - } - - init_uart(obj); -} - -/****************************************************************************** - * INTERRUPTS HANDLING - ******************************************************************************/ - -static void uart_irq(UARTName name, int id) -{ - UartHandle.Instance = (USART_TypeDef *)name; - if (serial_irq_ids[id] != 0) { - if (__HAL_UART_GET_FLAG(&UartHandle, UART_FLAG_TC) != RESET) { - irq_handler(serial_irq_ids[id], TxIrq); - __HAL_UART_CLEAR_IT(&UartHandle, UART_FLAG_TC); - } - if (__HAL_UART_GET_FLAG(&UartHandle, UART_FLAG_RXNE) != RESET) { - irq_handler(serial_irq_ids[id], RxIrq); - volatile uint32_t tmpval = UartHandle.Instance->RDR; // Clear RXNE bit - } - } -} - -static void uart1_irq(void) -{ - uart_irq(UART_1, 0); -} - -static void uart2_irq(void) -{ - uart_irq(UART_2, 1); -} - -static void uart3_irq(void) -{ - uart_irq(UART_3, 2); -} - -static void uart4_irq(void) -{ - uart_irq(UART_4, 3); -} - -void serial_irq_handler(serial_t *obj, uart_irq_handler handler, uint32_t id) -{ - irq_handler = handler; - serial_irq_ids[obj->index] = id; -} - -void serial_irq_set(serial_t *obj, SerialIrq irq, uint32_t enable) -{ - IRQn_Type irq_n = (IRQn_Type)0; - uint32_t vector = 0; - - UartHandle.Instance = (USART_TypeDef *)(obj->uart); - - if (obj->uart == UART_1) { - irq_n = USART1_IRQn; - vector = (uint32_t)&uart1_irq; - } - - if (obj->uart == UART_2) { - irq_n = USART2_IRQn; - vector = (uint32_t)&uart2_irq; - } - - if (obj->uart == UART_3) { - irq_n = USART3_4_IRQn; - vector = (uint32_t)&uart3_irq; - } - - if (obj->uart == UART_4) { - irq_n = USART3_4_IRQn; - vector = (uint32_t)&uart4_irq; - } - - if (enable) { - - if (irq == RxIrq) { - __HAL_UART_ENABLE_IT(&UartHandle, UART_IT_RXNE); - } else { // TxIrq - __HAL_UART_ENABLE_IT(&UartHandle, UART_IT_TC); - } - - NVIC_SetVector(irq_n, vector); - NVIC_EnableIRQ(irq_n); - - } else { // disable - - int all_disabled = 0; - - if (irq == RxIrq) { - __HAL_UART_DISABLE_IT(&UartHandle, UART_IT_RXNE); - // Check if TxIrq is disabled too - if ((UartHandle.Instance->CR1 & USART_CR1_TCIE) == 0) all_disabled = 1; - } else { // TxIrq - __HAL_UART_DISABLE_IT(&UartHandle, UART_IT_TC); - // Check if RxIrq is disabled too - if ((UartHandle.Instance->CR1 & USART_CR1_RXNEIE) == 0) all_disabled = 1; - } - - if (all_disabled) NVIC_DisableIRQ(irq_n); - - } -} - -/****************************************************************************** - * READ/WRITE - ******************************************************************************/ - -int serial_getc(serial_t *obj) -{ - USART_TypeDef *uart = (USART_TypeDef *)(obj->uart); - while (!serial_readable(obj)); - return (int)(uart->RDR & (uint16_t)0xFF); -} - -void serial_putc(serial_t *obj, int c) -{ - USART_TypeDef *uart = (USART_TypeDef *)(obj->uart); - while (!serial_writable(obj)); - uart->TDR = (uint32_t)(c & (uint16_t)0xFF); -} - -int serial_readable(serial_t *obj) -{ - int status; - UartHandle.Instance = (USART_TypeDef *)(obj->uart); - // Check if data is received - status = ((__HAL_UART_GET_FLAG(&UartHandle, UART_FLAG_RXNE) != RESET) ? 1 : 0); - return status; -} - -int serial_writable(serial_t *obj) -{ - int status; - UartHandle.Instance = (USART_TypeDef *)(obj->uart); - // Check if data is transmitted - status = ((__HAL_UART_GET_FLAG(&UartHandle, UART_FLAG_TXE) != RESET) ? 1 : 0); - return status; -} - -void serial_clear(serial_t *obj) -{ - UartHandle.Instance = (USART_TypeDef *)(obj->uart); - __HAL_UART_CLEAR_IT(&UartHandle, UART_FLAG_TC); - __HAL_UART_SEND_REQ(&UartHandle, UART_RXDATA_FLUSH_REQUEST); -} - -void serial_pinout_tx(PinName tx) -{ - pinmap_pinout(tx, PinMap_UART_TX); -} - -void serial_break_set(serial_t *obj) -{ - // [TODO] -} - -void serial_break_clear(serial_t *obj) -{ - // [TODO] -} - -#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F072RB/sleep.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,61 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#include "sleep_api.h" - -#if DEVICE_SLEEP - -#include "cmsis.h" - -static TIM_HandleTypeDef TimMasterHandle; - -void sleep(void) -{ - TimMasterHandle.Instance = TIM2; - - // Disable HAL tick interrupt - __HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC2); - - // Request to enter SLEEP mode - HAL_PWR_EnterSLEEPMode(PWR_MAINREGULATOR_ON, PWR_SLEEPENTRY_WFI); - - // Enable HAL tick interrupt - __HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2); -} - -void deepsleep(void) -{ - // Request to enter STOP mode with regulator in low power mode - HAL_PWR_EnterSTOPMode(PWR_LOWPOWERREGULATOR_ON, PWR_STOPENTRY_WFI); - - // After wake-up from STOP reconfigure the PLL - SetSysClock(); -} - -#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F072RB/spi_api.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,298 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#include "mbed_assert.h" -#include "spi_api.h" - -#if DEVICE_SPI - -#include <math.h> -#include "cmsis.h" -#include "pinmap.h" -#include "PeripheralPins.h" - -static SPI_HandleTypeDef SpiHandle; - -static void init_spi(spi_t *obj) -{ - SpiHandle.Instance = (SPI_TypeDef *)(obj->spi); - - __HAL_SPI_DISABLE(&SpiHandle); - - SpiHandle.Init.Mode = obj->mode; - SpiHandle.Init.BaudRatePrescaler = obj->br_presc; - SpiHandle.Init.Direction = SPI_DIRECTION_2LINES; - SpiHandle.Init.CLKPhase = obj->cpha; - SpiHandle.Init.CLKPolarity = obj->cpol; - SpiHandle.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLED; - SpiHandle.Init.CRCPolynomial = 7; - SpiHandle.Init.DataSize = obj->bits; - SpiHandle.Init.FirstBit = SPI_FIRSTBIT_MSB; - SpiHandle.Init.NSS = obj->nss; - SpiHandle.Init.TIMode = SPI_TIMODE_DISABLED; - - HAL_SPI_Init(&SpiHandle); - - __HAL_SPI_ENABLE(&SpiHandle); -} - -void spi_init(spi_t *obj, PinName mosi, PinName miso, PinName sclk, PinName ssel) -{ - // Determine the SPI to use - SPIName spi_mosi = (SPIName)pinmap_peripheral(mosi, PinMap_SPI_MOSI); - SPIName spi_miso = (SPIName)pinmap_peripheral(miso, PinMap_SPI_MISO); - SPIName spi_sclk = (SPIName)pinmap_peripheral(sclk, PinMap_SPI_SCLK); - SPIName spi_ssel = (SPIName)pinmap_peripheral(ssel, PinMap_SPI_SSEL); - - SPIName spi_data = (SPIName)pinmap_merge(spi_mosi, spi_miso); - SPIName spi_cntl = (SPIName)pinmap_merge(spi_sclk, spi_ssel); - - obj->spi = (SPIName)pinmap_merge(spi_data, spi_cntl); - MBED_ASSERT(obj->spi != (SPIName)NC); - - // Enable SPI clock - if (obj->spi == SPI_1) { - __SPI1_CLK_ENABLE(); - } - if (obj->spi == SPI_2) { - __SPI2_CLK_ENABLE(); - } - - // Configure the SPI pins - pinmap_pinout(mosi, PinMap_SPI_MOSI); - pinmap_pinout(miso, PinMap_SPI_MISO); - pinmap_pinout(sclk, PinMap_SPI_SCLK); - - // Save new values - obj->bits = SPI_DATASIZE_8BIT; - obj->cpol = SPI_POLARITY_LOW; - obj->cpha = SPI_PHASE_1EDGE; - obj->br_presc = SPI_BAUDRATEPRESCALER_256; - - obj->pin_miso = miso; - obj->pin_mosi = mosi; - obj->pin_sclk = sclk; - obj->pin_ssel = ssel; - - if (ssel == NC) { // SW NSS Master mode - obj->mode = SPI_MODE_MASTER; - obj->nss = SPI_NSS_SOFT; - } else { // Slave - pinmap_pinout(ssel, PinMap_SPI_SSEL); - obj->mode = SPI_MODE_SLAVE; - obj->nss = SPI_NSS_HARD_INPUT; - } - - init_spi(obj); -} - -void spi_free(spi_t *obj) -{ - // Reset SPI and disable clock - if (obj->spi == SPI_1) { - __SPI1_FORCE_RESET(); - __SPI1_RELEASE_RESET(); - __SPI1_CLK_DISABLE(); - } - - if (obj->spi == SPI_2) { - __SPI2_FORCE_RESET(); - __SPI2_RELEASE_RESET(); - __SPI2_CLK_DISABLE(); - } - - // Configure GPIOs - pin_function(obj->pin_miso, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); - pin_function(obj->pin_mosi, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); - pin_function(obj->pin_sclk, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); - pin_function(obj->pin_ssel, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); -} - -void spi_format(spi_t *obj, int bits, int mode, int slave) -{ - // Save new values - if (bits == 16) { - obj->bits = SPI_DATASIZE_16BIT; - } else { - obj->bits = SPI_DATASIZE_8BIT; - } - - switch (mode) { - case 0: - obj->cpol = SPI_POLARITY_LOW; - obj->cpha = SPI_PHASE_1EDGE; - break; - case 1: - obj->cpol = SPI_POLARITY_LOW; - obj->cpha = SPI_PHASE_2EDGE; - break; - case 2: - obj->cpol = SPI_POLARITY_HIGH; - obj->cpha = SPI_PHASE_1EDGE; - break; - default: - obj->cpol = SPI_POLARITY_HIGH; - obj->cpha = SPI_PHASE_2EDGE; - break; - } - - if (slave == 0) { - obj->mode = SPI_MODE_MASTER; - obj->nss = SPI_NSS_SOFT; - } else { - obj->mode = SPI_MODE_SLAVE; - obj->nss = SPI_NSS_HARD_INPUT; - } - - init_spi(obj); -} - -void spi_frequency(spi_t *obj, int hz) -{ - // Note: The frequencies are obtained with SPI clock = 48 MHz (APB clock) - if (hz < 375000) { - obj->br_presc = SPI_BAUDRATEPRESCALER_256; // 188 kHz - } else if ((hz >= 375000) && (hz < 750000)) { - obj->br_presc = SPI_BAUDRATEPRESCALER_128; // 375 kHz - } else if ((hz >= 750000) && (hz < 1000000)) { - obj->br_presc = SPI_BAUDRATEPRESCALER_64; // 750 kHz - } else if ((hz >= 1000000) && (hz < 3000000)) { - obj->br_presc = SPI_BAUDRATEPRESCALER_32; // 1.5 MHz - } else if ((hz >= 3000000) && (hz < 6000000)) { - obj->br_presc = SPI_BAUDRATEPRESCALER_16; // 3 MHz - } else if ((hz >= 6000000) && (hz < 12000000)) { - obj->br_presc = SPI_BAUDRATEPRESCALER_8; // 6 MHz - } else if ((hz >= 12000000) && (hz < 24000000)) { - obj->br_presc = SPI_BAUDRATEPRESCALER_4; // 12 MHz - } else { // >= 24000000 - obj->br_presc = SPI_BAUDRATEPRESCALER_2; // 24 MHz - } - - init_spi(obj); -} - -static inline int ssp_readable(spi_t *obj) -{ - int status; - SpiHandle.Instance = (SPI_TypeDef *)(obj->spi); - // Check if data is received - status = ((__HAL_SPI_GET_FLAG(&SpiHandle, SPI_FLAG_RXNE) != RESET) ? 1 : 0); - return status; -} - -static inline int ssp_writeable(spi_t *obj) -{ - int status; - SpiHandle.Instance = (SPI_TypeDef *)(obj->spi); - // Check if data is transmitted - status = ((__HAL_SPI_GET_FLAG(&SpiHandle, SPI_FLAG_TXE) != RESET) ? 1 : 0); - return status; -} - -static inline void ssp_write(spi_t *obj, int value) -{ - SPI_TypeDef *spi = (SPI_TypeDef *)(obj->spi); - while (!ssp_writeable(obj)); - if (obj->bits == SPI_DATASIZE_8BIT) { - // Force 8-bit access to the data register - uint8_t *p_spi_dr = 0; - p_spi_dr = (uint8_t *) & (spi->DR); - *p_spi_dr = (uint8_t)value; - } else { // SPI_DATASIZE_16BIT - spi->DR = (uint16_t)value; - } -} - -static inline int ssp_read(spi_t *obj) -{ - SPI_TypeDef *spi = (SPI_TypeDef *)(obj->spi); - while (!ssp_readable(obj)); - if (obj->bits == SPI_DATASIZE_8BIT) { - // Force 8-bit access to the data register - uint8_t *p_spi_dr = 0; - p_spi_dr = (uint8_t *) & (spi->DR); - return (int)(*p_spi_dr); - } else { - return (int)spi->DR; - } -} - -static inline int ssp_busy(spi_t *obj) -{ - int status; - SpiHandle.Instance = (SPI_TypeDef *)(obj->spi); - status = ((__HAL_SPI_GET_FLAG(&SpiHandle, SPI_FLAG_BSY) != RESET) ? 1 : 0); - return status; -} - -int spi_master_write(spi_t *obj, int value) -{ - ssp_write(obj, value); - return ssp_read(obj); -} - -int spi_slave_receive(spi_t *obj) -{ - return ((ssp_readable(obj) && !ssp_busy(obj)) ? 1 : 0); -}; - -int spi_slave_read(spi_t *obj) -{ - SPI_TypeDef *spi = (SPI_TypeDef *)(obj->spi); - while (!ssp_readable(obj)); - if (obj->bits == SPI_DATASIZE_8BIT) { - // Force 8-bit access to the data register - uint8_t *p_spi_dr = 0; - p_spi_dr = (uint8_t *) & (spi->DR); - return (int)(*p_spi_dr); - } else { - return (int)spi->DR; - } -} - -void spi_slave_write(spi_t *obj, int value) -{ - SPI_TypeDef *spi = (SPI_TypeDef *)(obj->spi); - while (!ssp_writeable(obj)); - if (obj->bits == SPI_DATASIZE_8BIT) { - // Force 8-bit access to the data register - uint8_t *p_spi_dr = 0; - p_spi_dr = (uint8_t *) & (spi->DR); - *p_spi_dr = (uint8_t)value; - } else { // SPI_DATASIZE_16BIT - spi->DR = (uint16_t)value; - } -} - -int spi_busy(spi_t *obj) -{ - return ssp_busy(obj); -} - -#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F072RB/us_ticker.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,70 +0,0 @@ -/* mbed Microcontroller Library - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ -#include <stddef.h> -#include "us_ticker_api.h" -#include "PeripheralNames.h" - -// 32-bit timer selection -#define TIM_MST TIM2 - -static TIM_HandleTypeDef TimMasterHandle; -static int us_ticker_inited = 0; - -void us_ticker_init(void) -{ - if (us_ticker_inited) return; - us_ticker_inited = 1; - - TimMasterHandle.Instance = TIM_MST; - - HAL_InitTick(0); // The passed value is not used -} - -uint32_t us_ticker_read() -{ - if (!us_ticker_inited) us_ticker_init(); - return TIM_MST->CNT; -} - -void us_ticker_set_interrupt(timestamp_t timestamp) -{ - // Set new output compare value - __HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_1, (uint32_t)timestamp); - // Enable IT - __HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC1); -} - -void us_ticker_disable_interrupt(void) -{ - __HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC1); -} - -void us_ticker_clear_interrupt(void) -{ - __HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC1); -}
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F091RC/PeripheralNames.h Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,86 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#ifndef MBED_PERIPHERALNAMES_H -#define MBED_PERIPHERALNAMES_H - -#include "cmsis.h" - -#ifdef __cplusplus -extern "C" { -#endif - -typedef enum { - ADC_1 = (int)ADC1_BASE -} ADCName; - -typedef enum { - DAC_1 = (int)DAC_BASE -} DACName; - -typedef enum { - UART_1 = (int)USART1_BASE, - UART_2 = (int)USART2_BASE, - UART_3 = (int)USART3_BASE, - UART_4 = (int)USART4_BASE, - UART_5 = (int)USART5_BASE, - UART_6 = (int)USART6_BASE, - UART_7 = (int)USART7_BASE, - UART_8 = (int)USART8_BASE -} UARTName; - -#define STDIO_UART_TX PA_2 -#define STDIO_UART_RX PA_3 -#define STDIO_UART UART_2 - -typedef enum { - SPI_1 = (int)SPI1_BASE, - SPI_2 = (int)SPI2_BASE -} SPIName; - -typedef enum { - I2C_1 = (int)I2C1_BASE, - I2C_2 = (int)I2C2_BASE -} I2CName; - -typedef enum { - PWM_1 = (int)TIM1_BASE, - PWM_2 = (int)TIM2_BASE, - PWM_3 = (int)TIM3_BASE, - PWM_14 = (int)TIM14_BASE, - PWM_15 = (int)TIM15_BASE, - PWM_16 = (int)TIM16_BASE, - PWM_17 = (int)TIM17_BASE -} PWMName; - -#ifdef __cplusplus -} -#endif - -#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F091RC/PeripheralPins.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,220 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ - -#include "PeripheralPins.h" - -// ===== -// Note: Commented lines are alternative possibilities which are not used per default. -// If you change them, you will have also to modify the corresponding xxx_api.c file -// for pwmout, analogin, analogout, ... -// ===== - -//*** ADC *** - -const PinMap PinMap_ADC[] = { - {PA_0, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN0 - {PA_1, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN1 - {PA_2, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN2 - {PA_3, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN3 - {PA_4, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN4 - {PA_5, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN5 - {PA_6, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN6 - {PA_7, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN7 - {PB_0, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN8 - {PB_1, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN9 - {PC_0, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN10 - {PC_1, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN11 - {PC_2, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN12 - {PC_3, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN13 - {PC_4, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN14 - {PC_5, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN15 - {NC, NC, 0} -}; - -//*** DAC *** - -const PinMap PinMap_DAC[] = { - {PA_4, DAC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // DAC_OUT1 - {PA_5, DAC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // DAC_OUT2 (Warning: LED1 is also on this pin) - {NC, NC, 0} -}; - -//*** I2C *** - -const PinMap PinMap_I2C_SDA[] = { - {PA_10, I2C_1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF4_I2C1)}, - {PA_12, I2C_2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF5_I2C2)}, - {PB_7, I2C_1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C1)}, - {PB_9, I2C_1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C1)}, - {PB_11, I2C_2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C2)}, - {PB_14, I2C_2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF5_I2C2)}, -// {PF_0, I2C_1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C1)}, // OSC_IN - {NC, NC, 0} -}; - -const PinMap PinMap_I2C_SCL[] = { - {PA_9, I2C_1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF4_I2C1)}, - {PA_11, I2C_2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF5_I2C2)}, - {PB_6, I2C_1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C1)}, - {PB_8, I2C_1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C1)}, - {PB_10, I2C_2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C2)}, - {PB_13, I2C_2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF5_I2C2)}, -// {PF_1, I2C_1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C1)}, // OSC_OUT - {NC, NC, 0} -}; - -//*** PWM *** - -// TIM2 cannot be used because already used by the us_ticker -const PinMap PinMap_PWM[] = { -// {PA_1, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2)}, // TIM2_CH2 - {PA_1, PWM_15, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_TIM15)}, // TIM15_CH1N - {PA_2, PWM_15, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_TIM15)}, // TIM15_CH1 -// {PA_2, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2)}, // TIM2_CH3 - {PA_3, PWM_15, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_TIM15)}, // TIM15_CH2 -// {PA_3, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2)}, // TIM2_CH4 - {PA_4, PWM_14, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_TIM14)}, // TIM14_CH1 -// {PA_6, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM3)}, // TIM3_CH1 - {PA_6, PWM_16, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_TIM16)}, // TIM16_CH1 -// {PA_7, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM3)}, // TIM3_CH2 -// {PA_7, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1)}, // TIM1_CH1N -// {PA_7, PWM_14, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_TIM14)}, // TIM14_CH1 - {PA_7, PWM_17, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_TIM17)}, // TIM17_CH1 - {PA_8, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1)}, // TIM1_CH1 - {PA_9, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1)}, // TIM1_CH2 - {PA_10, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1)}, // TIM1_CH3 - {PA_11, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1)}, // TIM1_CH4 - - {PB_0, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM3)}, // TIM3_CH3 -// {PB_0, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1)}, // TIM1_CH2N - {PB_1, PWM_14, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_TIM14)}, // TIM14_CH1 -// {PB_1, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM3)}, // TIM3_CH4 -// {PB_1, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1)}, // TIM1_CH3N -// {PB_3, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2)}, // TIM2_CH2 - {PB_4, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM3)}, // TIM3_CH1 - {PB_5, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM3)}, // TIM3_CH2 - {PB_6, PWM_16, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM16)}, // TIM16_CH1N - {PB_7, PWM_17, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM17)}, // TIM17_CH1N - {PB_8, PWM_16, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM16)}, // TIM16_CH1 - {PB_9, PWM_17, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM17)}, // TIM17_CH1 -// {PB_10, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2)}, // TIM2_CH3 -// {PB_11, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2)}, // TIM2_CH4 - {PB_13, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1)}, // TIM1_CH1N - {PB_14, PWM_15, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM15)}, // TIM15_CH1 -// {PB_14, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1)}, // TIM1_CH2N - {PB_15, PWM_15, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM15)}, // TIM15_CH2 -// {PB_15, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1)}, // TIM1_CH3N -// {PB_15, PWM_15, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF3_TIM15)}, // TIM15_CH1N - - {PC_6, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_TIM3)}, // TIM3_CH1 - {PC_7, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_TIM3)}, // TIM3_CH2 - {PC_8, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_TIM3)}, // TIM3_CH3 - {PC_9, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_TIM3)}, // TIM3_CH4 - - {NC, NC, 0} -}; - -//*** SERIAL *** - -const PinMap PinMap_UART_TX[] = { - {PA_0, UART_4, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART4)}, - {PA_2, UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART2)}, - {PA_4, UART_6, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_USART6)}, - {PA_9, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART1)}, - {PA_14, UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART2)}, // Warning: SWCLK is also on this pin - {PB_3, UART_5, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART5)}, - {PB_6, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_USART1)}, - {PB_10, UART_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART3)}, -// {PC_0, UART_7, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART7)}, - {PC_0, UART_6, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_USART6)}, - {PC_2, UART_8, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_USART8)}, - {PC_4, UART_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART3)}, - {PC_6, UART_7, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART7)}, - {PC_8, UART_8, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART8)}, - {PC_10, UART_4, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_USART4)}, -// {PC_10, UART_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART3)}, - {PC_12, UART_5, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_USART5)}, - {NC, NC, 0} -}; - -const PinMap PinMap_UART_RX[] = { - {PA_1, UART_4, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART4)}, - {PA_3, UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART2)}, - {PA_5, UART_6, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_USART6)}, - {PA_10, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART1)}, - {PA_15, UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART2)}, - {PB_4, UART_5, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART5)}, - {PB_7, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_USART1)}, - {PB_11, UART_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART3)}, -// {PC_1, UART_7, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART7)}, - {PC_1, UART_6, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_USART6)}, - {PC_3, UART_8, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_USART8)}, - {PC_5, UART_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART3)}, - {PC_7, UART_7, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART7)}, - {PC_9, UART_8, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART8)}, - {PC_11, UART_4, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_USART4)}, -// {PC_11, UART_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART3)}, - {PD_2, UART_5, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_USART5)}, - {NC, NC, 0} -}; - -//*** SPI *** - -const PinMap PinMap_SPI_MOSI[] = { - {PA_7, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)}, - {PB_5, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)}, - {PB_15, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI2)}, - {PC_3, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_SPI2)}, - {NC, NC, 0} -}; - -const PinMap PinMap_SPI_MISO[] = { - {PA_6, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)}, - {PB_4, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)}, - {PB_14, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI2)}, - {PC_2, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_SPI2)}, - {NC, NC, 0} -}; - -const PinMap PinMap_SPI_SCLK[] = { - {PA_5, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)}, - {PB_3, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)}, - {PB_10, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI2)}, - {PB_13, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI2)}, - {NC, NC, 0} -}; - -const PinMap PinMap_SPI_SSEL[] = { - {PA_4, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)}, - {PA_15, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)}, - {PB_9, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI2)}, - {PB_12, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI2)}, - {NC, NC, 0} -};
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F091RC/PeripheralPins.h Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,66 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ - -#ifndef MBED_PERIPHERALPINS_H -#define MBED_PERIPHERALPINS_H - -#include "pinmap.h" -#include "PeripheralNames.h" - -//*** ADC *** - -extern const PinMap PinMap_ADC[]; - -//*** DAC *** - -extern const PinMap PinMap_DAC[]; - -//*** I2C *** - -extern const PinMap PinMap_I2C_SDA[]; -extern const PinMap PinMap_I2C_SCL[]; - -//*** PWM *** - -extern const PinMap PinMap_PWM[]; - -//*** SERIAL *** - -extern const PinMap PinMap_UART_TX[]; -extern const PinMap PinMap_UART_RX[]; - -//*** SPI *** - -extern const PinMap PinMap_SPI_MOSI[]; -extern const PinMap PinMap_SPI_MISO[]; -extern const PinMap PinMap_SPI_SCLK[]; -extern const PinMap PinMap_SPI_SSEL[]; - -#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F091RC/PinNames.h Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,184 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#ifndef MBED_PINNAMES_H -#define MBED_PINNAMES_H - -#include "cmsis.h" - -#ifdef __cplusplus -extern "C" { -#endif - -// See stm32f0xx_hal_gpio.h and stm32f0xx_hal_gpio_ex.h for values of MODE, PUPD and AFNUM -#define STM_PIN_DATA(MODE, PUPD, AFNUM) ((int)(((AFNUM) << 7) | ((PUPD) << 4) | ((MODE) << 0))) -#define STM_PIN_MODE(X) (((X) >> 0) & 0x0F) -#define STM_PIN_PUPD(X) (((X) >> 4) & 0x07) -#define STM_PIN_AFNUM(X) (((X) >> 7) & 0x0F) -#define STM_MODE_INPUT (0) -#define STM_MODE_OUTPUT_PP (1) -#define STM_MODE_OUTPUT_OD (2) -#define STM_MODE_AF_PP (3) -#define STM_MODE_AF_OD (4) -#define STM_MODE_ANALOG (5) -#define STM_MODE_IT_RISING (6) -#define STM_MODE_IT_FALLING (7) -#define STM_MODE_IT_RISING_FALLING (8) -#define STM_MODE_EVT_RISING (9) -#define STM_MODE_EVT_FALLING (10) -#define STM_MODE_EVT_RISING_FALLING (11) -#define STM_MODE_IT_EVT_RESET (12) - -// High nibble = port number (0=A, 1=B, 2=C, 3=D, 4=E, 5=F, 6=G, 7=H) -// Low nibble = pin number -#define STM_PORT(X) (((uint32_t)(X) >> 4) & 0xF) -#define STM_PIN(X) ((uint32_t)(X) & 0xF) - -typedef enum { - PIN_INPUT, - PIN_OUTPUT -} PinDirection; - -typedef enum { - PA_0 = 0x00, - PA_1 = 0x01, - PA_2 = 0x02, - PA_3 = 0x03, - PA_4 = 0x04, - PA_5 = 0x05, - PA_6 = 0x06, - PA_7 = 0x07, - PA_8 = 0x08, - PA_9 = 0x09, - PA_10 = 0x0A, - PA_11 = 0x0B, - PA_12 = 0x0C, - PA_13 = 0x0D, - PA_14 = 0x0E, - PA_15 = 0x0F, - - PB_0 = 0x10, - PB_1 = 0x11, - PB_2 = 0x12, - PB_3 = 0x13, - PB_4 = 0x14, - PB_5 = 0x15, - PB_6 = 0x16, - PB_7 = 0x17, - PB_8 = 0x18, - PB_9 = 0x19, - PB_10 = 0x1A, - PB_11 = 0x1B, - PB_12 = 0x1C, - PB_13 = 0x1D, - PB_14 = 0x1E, - PB_15 = 0x1F, - - PC_0 = 0x20, - PC_1 = 0x21, - PC_2 = 0x22, - PC_3 = 0x23, - PC_4 = 0x24, - PC_5 = 0x25, - PC_6 = 0x26, - PC_7 = 0x27, - PC_8 = 0x28, - PC_9 = 0x29, - PC_10 = 0x2A, - PC_11 = 0x2B, - PC_12 = 0x2C, - PC_13 = 0x2D, - PC_14 = 0x2E, - PC_15 = 0x2F, - - PD_2 = 0x32, - - PF_0 = 0x50, - PF_1 = 0x51, - PF_11 = 0x5B, - - // Arduino connector namings - A0 = PA_0, - A1 = PA_1, - A2 = PA_4, - A3 = PB_0, - A4 = PC_1, - A5 = PC_0, - D0 = PA_3, - D1 = PA_2, - D2 = PA_10, - D3 = PB_3, - D4 = PB_5, - D5 = PB_4, - D6 = PB_10, - D7 = PA_8, - D8 = PA_9, - D9 = PC_7, - D10 = PB_6, - D11 = PA_7, - D12 = PA_6, - D13 = PA_5, - D14 = PB_9, - D15 = PB_8, - - // Generic signals namings - LED1 = PA_5, - LED2 = PA_5, - LED3 = PA_5, - LED4 = PA_5, - USER_BUTTON = PC_13, - SERIAL_TX = PA_2, - SERIAL_RX = PA_3, - USBTX = PA_2, - USBRX = PA_3, - I2C_SCL = PB_8, - I2C_SDA = PB_9, - SPI_MOSI = PA_7, - SPI_MISO = PA_6, - SPI_SCK = PA_5, - SPI_CS = PB_6, - PWM_OUT = PB_4, - - // Not connected - NC = (int)0xFFFFFFFF -} PinName; - -typedef enum { - PullNone = 0, - PullUp = 1, - PullDown = 2, - OpenDrain = 3, - PullDefault = PullNone -} PinMode; - -#ifdef __cplusplus -} -#endif - -#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F091RC/PortNames.h Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,48 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#ifndef MBED_PORTNAMES_H -#define MBED_PORTNAMES_H - -#ifdef __cplusplus -extern "C" { -#endif - -typedef enum { - PortA = 0, - PortB = 1, - PortC = 2, - PortD = 3, - PortF = 5 -} PortName; - -#ifdef __cplusplus -} -#endif -#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F091RC/analogin_api.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,175 +0,0 @@ -/* mbed Microcontroller Library - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ -#include "mbed_assert.h" -#include "analogin_api.h" - -#if DEVICE_ANALOGIN - -#include "wait_api.h" -#include "cmsis.h" -#include "pinmap.h" -#include "PeripheralPins.h" - -ADC_HandleTypeDef AdcHandle; - -int adc_inited = 0; - -void analogin_init(analogin_t *obj, PinName pin) -{ - // Get the peripheral name from the pin and assign it to the object - obj->adc = (ADCName)pinmap_peripheral(pin, PinMap_ADC); - MBED_ASSERT(obj->adc != (ADCName)NC); - - // Configure GPIO - pinmap_pinout(pin, PinMap_ADC); - - // Save pin number for the read function - obj->pin = pin; - - // The ADC initialization is done once - if (adc_inited == 0) { - adc_inited = 1; - - // Enable ADC clock - __ADC1_CLK_ENABLE(); - - // Configure ADC - AdcHandle.Instance = (ADC_TypeDef *)(obj->adc); - AdcHandle.Init.ClockPrescaler = ADC_CLOCK_SYNC_PCLK_DIV4; - AdcHandle.Init.Resolution = ADC_RESOLUTION12b; - AdcHandle.Init.DataAlign = ADC_DATAALIGN_RIGHT; - AdcHandle.Init.ScanConvMode = DISABLE; - AdcHandle.Init.EOCSelection = EOC_SINGLE_CONV; - AdcHandle.Init.LowPowerAutoWait = DISABLE; - AdcHandle.Init.LowPowerAutoPowerOff = DISABLE; - AdcHandle.Init.ContinuousConvMode = DISABLE; - AdcHandle.Init.DiscontinuousConvMode = DISABLE; - AdcHandle.Init.ExternalTrigConv = ADC_SOFTWARE_START; - AdcHandle.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_NONE; - AdcHandle.Init.DMAContinuousRequests = DISABLE; - AdcHandle.Init.Overrun = OVR_DATA_OVERWRITTEN; - HAL_ADC_Init(&AdcHandle); - - // Run the ADC calibration - HAL_ADCEx_Calibration_Start(&AdcHandle); - } -} - -static inline uint16_t adc_read(analogin_t *obj) -{ - ADC_ChannelConfTypeDef sConfig; - - AdcHandle.Instance = (ADC_TypeDef *)(obj->adc); - - // Configure ADC channel - sConfig.Rank = ADC_RANK_CHANNEL_NUMBER; - sConfig.SamplingTime = ADC_SAMPLETIME_13CYCLES_5; - - switch (obj->pin) { - case PA_0: - sConfig.Channel = ADC_CHANNEL_0; - break; - case PA_1: - sConfig.Channel = ADC_CHANNEL_1; - break; - case PA_2: - sConfig.Channel = ADC_CHANNEL_2; - break; - case PA_3: - sConfig.Channel = ADC_CHANNEL_3; - break; - case PA_4: - sConfig.Channel = ADC_CHANNEL_4; - break; - case PA_5: - sConfig.Channel = ADC_CHANNEL_5; - break; - case PA_6: - sConfig.Channel = ADC_CHANNEL_6; - break; - case PA_7: - sConfig.Channel = ADC_CHANNEL_7; - break; - case PB_0: - sConfig.Channel = ADC_CHANNEL_8; - break; - case PB_1: - sConfig.Channel = ADC_CHANNEL_9; - break; - case PC_0: - sConfig.Channel = ADC_CHANNEL_10; - break; - case PC_1: - sConfig.Channel = ADC_CHANNEL_11; - break; - case PC_2: - sConfig.Channel = ADC_CHANNEL_12; - break; - case PC_3: - sConfig.Channel = ADC_CHANNEL_13; - break; - case PC_4: - sConfig.Channel = ADC_CHANNEL_14; - break; - case PC_5: - sConfig.Channel = ADC_CHANNEL_15; - break; - default: - return 0; - } - - // Clear all channels as it is not done in HAL_ADC_ConfigChannel() - AdcHandle.Instance->CHSELR = 0; - - HAL_ADC_ConfigChannel(&AdcHandle, &sConfig); - - HAL_ADC_Start(&AdcHandle); // Start conversion - - // Wait end of conversion and get value - if (HAL_ADC_PollForConversion(&AdcHandle, 10) == HAL_OK) { - return (HAL_ADC_GetValue(&AdcHandle)); - } else { - return 0; - } -} - -uint16_t analogin_read_u16(analogin_t *obj) -{ - uint16_t value = adc_read(obj); - // 12-bit to 16-bit conversion - value = ((value << 4) & (uint16_t)0xFFF0) | ((value >> 8) & (uint16_t)0x000F); - return value; -} - -float analogin_read(analogin_t *obj) -{ - uint16_t value = adc_read(obj); - return (float)value * (1.0f / (float)0xFFF); // 12 bits range -} - -#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F091RC/analogout_api.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,136 +0,0 @@ -/* mbed Microcontroller Library - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ -#include "mbed_assert.h" -#include "analogout_api.h" - -#if DEVICE_ANALOGOUT - -#include "cmsis.h" -#include "pinmap.h" -#include "mbed_error.h" -#include "PeripheralPins.h" - -#define DAC_RANGE (0xFFF) // 12 bits - -static DAC_HandleTypeDef DacHandle; - -void analogout_init(dac_t *obj, PinName pin) -{ - DAC_ChannelConfTypeDef sConfig; - - DacHandle.Instance = DAC; - - // Get the peripheral name (DAC_1, ...) from the pin and assign it to the object - obj->dac = (DACName)pinmap_peripheral(pin, PinMap_DAC); - MBED_ASSERT(obj->dac != (DACName)NC); - - // Configure GPIO - pinmap_pinout(pin, PinMap_DAC); - - // Save the channel for future use - obj->pin = pin; - - // Enable DAC clock - __DAC1_CLK_ENABLE(); - - // Configure DAC - sConfig.DAC_Trigger = DAC_TRIGGER_NONE; - sConfig.DAC_OutputBuffer = DAC_OUTPUTBUFFER_DISABLE; - - if (pin == PA_4) { - HAL_DAC_ConfigChannel(&DacHandle, &sConfig, DAC_CHANNEL_1); - } else { // PA_5 - HAL_DAC_ConfigChannel(&DacHandle, &sConfig, DAC_CHANNEL_2); - } - - analogout_write_u16(obj, 0); -} - -void analogout_free(dac_t *obj) -{ - // Reset DAC and disable clock - __DAC1_FORCE_RESET(); - __DAC1_RELEASE_RESET(); - __DAC1_CLK_DISABLE(); - - // Configure GPIO - pin_function(obj->pin, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); -} - -static inline void dac_write(dac_t *obj, uint16_t value) -{ - if (obj->pin == PA_4) { - HAL_DAC_SetValue(&DacHandle, DAC_CHANNEL_1, DAC_ALIGN_12B_R, value); - HAL_DAC_Start(&DacHandle, DAC_CHANNEL_1); - } else { // PA_5 - HAL_DAC_SetValue(&DacHandle, DAC_CHANNEL_2, DAC_ALIGN_12B_R, value); - HAL_DAC_Start(&DacHandle, DAC_CHANNEL_2); - } -} - -static inline int dac_read(dac_t *obj) -{ - if (obj->pin == PA_4) { - return (int)HAL_DAC_GetValue(&DacHandle, DAC_CHANNEL_1); - } else { // PA_5 - return (int)HAL_DAC_GetValue(&DacHandle, DAC_CHANNEL_2); - } -} - -void analogout_write(dac_t *obj, float value) -{ - if (value < 0.0f) { - dac_write(obj, 0); // Min value - } else if (value > 1.0f) { - dac_write(obj, (uint16_t)DAC_RANGE); // Max value - } else { - dac_write(obj, (uint16_t)(value * (float)DAC_RANGE)); - } -} - -void analogout_write_u16(dac_t *obj, uint16_t value) -{ - if (value > (uint16_t)DAC_RANGE) { - dac_write(obj, (uint16_t)DAC_RANGE); // Max value - } else { - dac_write(obj, value); - } -} - -float analogout_read(dac_t *obj) -{ - uint32_t value = dac_read(obj); - return (float)((float)value * (1.0f / (float)DAC_RANGE)); -} - -uint16_t analogout_read_u16(dac_t *obj) -{ - return (uint16_t)dac_read(obj); -} - -#endif // DEVICE_ANALOGOUT
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F091RC/device.h Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,70 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#ifndef MBED_DEVICE_H -#define MBED_DEVICE_H - -#define DEVICE_PORTIN 1 -#define DEVICE_PORTOUT 1 -#define DEVICE_PORTINOUT 1 - -#define DEVICE_INTERRUPTIN 1 - -#define DEVICE_ANALOGIN 1 -#define DEVICE_ANALOGOUT 1 - -#define DEVICE_SERIAL 1 - -#define DEVICE_I2C 1 -#define DEVICE_I2CSLAVE 1 - -#define DEVICE_SPI 1 -#define DEVICE_SPISLAVE 1 - -#define DEVICE_RTC 1 - -#define DEVICE_PWMOUT 1 - -#define DEVICE_SLEEP 1 - -//======================================= - -#define DEVICE_SEMIHOST 0 -#define DEVICE_LOCALFILESYSTEM 0 -#define DEVICE_ID_LENGTH 24 - -#define DEVICE_DEBUG_AWARENESS 0 - -#define DEVICE_STDIO_MESSAGES 1 - -#define DEVICE_ERROR_RED 0 - -#include "objects.h" - -#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F091RC/gpio_api.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,79 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#include "mbed_assert.h" -#include "gpio_api.h" -#include "pinmap.h" -#include "mbed_error.h" - -extern uint32_t Set_GPIO_Clock(uint32_t port_idx); - -uint32_t gpio_set(PinName pin) -{ - MBED_ASSERT(pin != (PinName)NC); - - pin_function(pin, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); - - return (uint32_t)(1 << ((uint32_t)pin & 0xF)); // Return the pin mask -} - -void gpio_init(gpio_t *obj, PinName pin) -{ - obj->pin = pin; - if (pin == (PinName)NC) { - return; - } - - uint32_t port_index = STM_PORT(pin); - - // Enable GPIO clock - uint32_t gpio_add = Set_GPIO_Clock(port_index); - GPIO_TypeDef *gpio = (GPIO_TypeDef *)gpio_add; - - // Fill GPIO object structure for future use - obj->mask = gpio_set(pin); - obj->reg_in = &gpio->IDR; - obj->reg_set = &gpio->BSRR; - obj->reg_clr = &gpio->BRR; -} - -void gpio_mode(gpio_t *obj, PinMode mode) -{ - pin_mode(obj->pin, mode); -} - -void gpio_dir(gpio_t *obj, PinDirection direction) -{ - MBED_ASSERT(obj->pin != (PinName)NC); - if (direction == PIN_OUTPUT) { - pin_function(obj->pin, STM_PIN_DATA(STM_MODE_OUTPUT_PP, GPIO_NOPULL, 0)); - } else { // PIN_INPUT - pin_function(obj->pin, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); - } -}
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F091RC/gpio_irq_api.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,267 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#include <stddef.h> -#include "cmsis.h" -#include "gpio_irq_api.h" -#include "pinmap.h" -#include "mbed_error.h" - -#define EDGE_NONE (0) -#define EDGE_RISE (1) -#define EDGE_FALL (2) -#define EDGE_BOTH (3) - -// Number of EXTI irq vectors (EXTI0_1, EXTI2_3, EXTI4_15) -#define CHANNEL_NUM (3) - -// Max pins for one line (max with EXTI4_15) -#define MAX_PIN_LINE (12) - -typedef struct gpio_channel { - uint32_t pin_mask; // bitmask representing which pins are configured for receiving interrupts - uint32_t channel_ids[MAX_PIN_LINE]; // mbed "gpio_irq_t gpio_irq" field of instance - uint32_t channel_gpio[MAX_PIN_LINE]; // base address of gpio port group - uint32_t channel_pin[MAX_PIN_LINE]; // pin number in port group -} gpio_channel_t; - -static gpio_channel_t channels[CHANNEL_NUM] = { - {.pin_mask = 0}, - {.pin_mask = 0}, - {.pin_mask = 0} -}; - -// Used to return the index for channels array. -static uint32_t pin_base_nr[16] = { - // EXTI0_1 - 0, // pin 0 - 1, // pin 1 - // EXTI2_3 - 0, // pin 2 - 1, // pin 3 - // EXTI4_15 - 0, // pin 4 - 1, // pin 5 - 2, // pin 6 - 3, // pin 7 - 4, // pin 8 - 5, // pin 9 - 6, // pin 10 - 7, // pin 11 - 8, // pin 12 - 9, // pin 13 - 10, // pin 14 - 11 // pin 15 -}; - -static gpio_irq_handler irq_handler; - -static void handle_interrupt_in(uint32_t irq_index, uint32_t max_num_pin_line) -{ - gpio_channel_t *gpio_channel = &channels[irq_index]; - uint32_t gpio_idx; - - for (gpio_idx = 0; gpio_idx < max_num_pin_line; gpio_idx++) { - uint32_t current_mask = (1 << gpio_idx); - - if (gpio_channel->pin_mask & current_mask) { - // Retrieve the gpio and pin that generate the irq - GPIO_TypeDef *gpio = (GPIO_TypeDef *)(gpio_channel->channel_gpio[gpio_idx]); - uint32_t pin = (uint32_t)(1 << (gpio_channel->channel_pin[gpio_idx])); - - // Clear interrupt flag - if (__HAL_GPIO_EXTI_GET_FLAG(pin) != RESET) { - __HAL_GPIO_EXTI_CLEAR_FLAG(pin); - - if (gpio_channel->channel_ids[gpio_idx] == 0) continue; - - // Check which edge has generated the irq - if ((gpio->IDR & pin) == 0) { - irq_handler(gpio_channel->channel_ids[gpio_idx], IRQ_FALL); - } else { - irq_handler(gpio_channel->channel_ids[gpio_idx], IRQ_RISE); - } - } - } - } -} - -// EXTI lines 0 to 1 -static void gpio_irq0(void) -{ - handle_interrupt_in(0, 2); -} - -// EXTI lines 2 to 3 -static void gpio_irq1(void) -{ - handle_interrupt_in(1, 2); -} - -// EXTI lines 4 to 15 -static void gpio_irq2(void) -{ - handle_interrupt_in(2, 12); -} - -extern uint32_t Set_GPIO_Clock(uint32_t port_idx); - -int gpio_irq_init(gpio_irq_t *obj, PinName pin, gpio_irq_handler handler, uint32_t id) -{ - IRQn_Type irq_n = (IRQn_Type)0; - uint32_t vector = 0; - uint32_t irq_index; - gpio_channel_t *gpio_channel; - uint32_t gpio_idx; - - if (pin == NC) return -1; - - uint32_t port_index = STM_PORT(pin); - uint32_t pin_index = STM_PIN(pin); - - // Select irq number and interrupt routine - if ((pin_index == 0) || (pin_index == 1)) { - irq_n = EXTI0_1_IRQn; - vector = (uint32_t)&gpio_irq0; - irq_index = 0; - } else if ((pin_index == 2) || (pin_index == 3)) { - irq_n = EXTI2_3_IRQn; - vector = (uint32_t)&gpio_irq1; - irq_index = 1; - } else if ((pin_index > 3) && (pin_index < 16)) { - irq_n = EXTI4_15_IRQn; - vector = (uint32_t)&gpio_irq2; - irq_index = 2; - } else { - error("InterruptIn error: pin not supported.\n"); - return -1; - } - - // Enable GPIO clock - uint32_t gpio_add = Set_GPIO_Clock(port_index); - - // Configure GPIO - pin_function(pin, STM_PIN_DATA(STM_MODE_IT_FALLING, GPIO_NOPULL, 0)); - - // Enable EXTI interrupt - NVIC_SetVector(irq_n, vector); - NVIC_EnableIRQ(irq_n); - - // Save informations for future use - obj->irq_n = irq_n; - obj->irq_index = irq_index; - obj->event = EDGE_NONE; - obj->pin = pin; - - gpio_channel = &channels[irq_index]; - gpio_idx = pin_base_nr[pin_index]; - gpio_channel->pin_mask |= (1 << gpio_idx); - gpio_channel->channel_ids[gpio_idx] = id; - gpio_channel->channel_gpio[gpio_idx] = gpio_add; - gpio_channel->channel_pin[gpio_idx] = pin_index; - - irq_handler = handler; - - return 0; -} - -void gpio_irq_free(gpio_irq_t *obj) -{ - gpio_channel_t *gpio_channel = &channels[obj->irq_index]; - uint32_t pin_index = STM_PIN(obj->pin); - uint32_t gpio_idx = pin_base_nr[pin_index]; - - gpio_channel->pin_mask &= ~(1 << gpio_idx); - gpio_channel->channel_ids[gpio_idx] = 0; - gpio_channel->channel_gpio[gpio_idx] = 0; - gpio_channel->channel_pin[gpio_idx] = 0; - - // Disable EXTI line - pin_function(obj->pin, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); - obj->event = EDGE_NONE; -} - -void gpio_irq_set(gpio_irq_t *obj, gpio_irq_event event, uint32_t enable) -{ - uint32_t mode = STM_MODE_IT_EVT_RESET; - uint32_t pull = GPIO_NOPULL; - - if (enable) { - if (event == IRQ_RISE) { - if ((obj->event == EDGE_FALL) || (obj->event == EDGE_BOTH)) { - mode = STM_MODE_IT_RISING_FALLING; - obj->event = EDGE_BOTH; - } else { // NONE or RISE - mode = STM_MODE_IT_RISING; - obj->event = EDGE_RISE; - } - } - if (event == IRQ_FALL) { - if ((obj->event == EDGE_RISE) || (obj->event == EDGE_BOTH)) { - mode = STM_MODE_IT_RISING_FALLING; - obj->event = EDGE_BOTH; - } else { // NONE or FALL - mode = STM_MODE_IT_FALLING; - obj->event = EDGE_FALL; - } - } - } else { // Disable - if (event == IRQ_RISE) { - if ((obj->event == EDGE_FALL) || (obj->event == EDGE_BOTH)) { - mode = STM_MODE_IT_FALLING; - obj->event = EDGE_FALL; - } else { // NONE or RISE - mode = STM_MODE_IT_EVT_RESET; - obj->event = EDGE_NONE; - } - } - if (event == IRQ_FALL) { - if ((obj->event == EDGE_RISE) || (obj->event == EDGE_BOTH)) { - mode = STM_MODE_IT_RISING; - obj->event = EDGE_RISE; - } else { // NONE or FALL - mode = STM_MODE_IT_EVT_RESET; - obj->event = EDGE_NONE; - } - } - } - - pin_function(obj->pin, STM_PIN_DATA(mode, pull, 0)); -} - -void gpio_irq_enable(gpio_irq_t *obj) -{ - NVIC_EnableIRQ(obj->irq_n); -} - -void gpio_irq_disable(gpio_irq_t *obj) -{ - NVIC_DisableIRQ(obj->irq_n); - obj->event = EDGE_NONE; -}
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F091RC/gpio_object.h Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,75 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#ifndef MBED_GPIO_OBJECT_H -#define MBED_GPIO_OBJECT_H - -#include "mbed_assert.h" -#include "cmsis.h" -#include "PortNames.h" -#include "PeripheralNames.h" -#include "PinNames.h" - -#ifdef __cplusplus -extern "C" { -#endif - -typedef struct { - PinName pin; - uint32_t mask; - __IO uint32_t *reg_in; - __IO uint32_t *reg_set; - __IO uint32_t *reg_clr; -} gpio_t; - -static inline void gpio_write(gpio_t *obj, int value) -{ - MBED_ASSERT(obj->pin != (PinName)NC); - if (value) { - *obj->reg_set = obj->mask; - } else { - *obj->reg_clr = obj->mask; - } -} - -static inline int gpio_read(gpio_t *obj) -{ - MBED_ASSERT(obj->pin != (PinName)NC); - return ((*obj->reg_in & obj->mask) ? 1 : 0); -} - -static inline int gpio_is_connected(const gpio_t *obj) { - return obj->pin != (PinName)NC; -} - -#ifdef __cplusplus -} -#endif - -#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F091RC/i2c_api.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,390 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#include "mbed_assert.h" -#include "i2c_api.h" - -#if DEVICE_I2C - -#include "cmsis.h" -#include "pinmap.h" -#include "PeripheralPins.h" - -/* Timeout values for flags and events waiting loops. These timeouts are - not based on accurate values, they just guarantee that the application will - not remain stuck if the I2C communication is corrupted. */ -#define FLAG_TIMEOUT ((int)0x1000) -#define LONG_TIMEOUT ((int)0x8000) - -I2C_HandleTypeDef I2cHandle; - -int i2c1_inited = 0; -int i2c2_inited = 0; - -void i2c_init(i2c_t *obj, PinName sda, PinName scl) -{ - // Determine the I2C to use - I2CName i2c_sda = (I2CName)pinmap_peripheral(sda, PinMap_I2C_SDA); - I2CName i2c_scl = (I2CName)pinmap_peripheral(scl, PinMap_I2C_SCL); - - obj->i2c = (I2CName)pinmap_merge(i2c_sda, i2c_scl); - MBED_ASSERT(obj->i2c != (I2CName)NC); - - // Enable I2C1 clock and pinout if not done - if ((obj->i2c == I2C_1) && !i2c1_inited) { - i2c1_inited = 1; - __HAL_RCC_I2C1_CONFIG(RCC_I2C1CLKSOURCE_SYSCLK); - __I2C1_CLK_ENABLE(); - // Configure I2C pins - pinmap_pinout(sda, PinMap_I2C_SDA); - pinmap_pinout(scl, PinMap_I2C_SCL); - pin_mode(sda, OpenDrain); - pin_mode(scl, OpenDrain); - } - - // Enable I2C2 clock and pinout if not done - if ((obj->i2c == I2C_2) && !i2c2_inited) { - i2c2_inited = 1; - __I2C2_CLK_ENABLE(); - // Configure I2C pins - pinmap_pinout(sda, PinMap_I2C_SDA); - pinmap_pinout(scl, PinMap_I2C_SCL); - pin_mode(sda, OpenDrain); - pin_mode(scl, OpenDrain); - } - - // Reset to clear pending flags if any - i2c_reset(obj); - - // I2C configuration - i2c_frequency(obj, 100000); // 100 kHz per default -} - -void i2c_frequency(i2c_t *obj, int hz) -{ - MBED_ASSERT((hz == 100000) || (hz == 400000) || (hz == 1000000)); - I2cHandle.Instance = (I2C_TypeDef *)(obj->i2c); - int timeout; - - // wait before init - timeout = LONG_TIMEOUT; - while ((__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_BUSY)) && (timeout-- != 0)); - - // Common settings: I2C clock = 48 MHz, Analog filter = ON, Digital filter coefficient = 0 - switch (hz) { - case 100000: - I2cHandle.Init.Timing = 0x10805E89; // Standard mode with Rise Time = 400ns and Fall Time = 100ns - break; - case 400000: - I2cHandle.Init.Timing = 0x00901850; // Fast mode with Rise Time = 250ns and Fall Time = 100ns - break; - case 1000000: - I2cHandle.Init.Timing = 0x00700818; // Fast mode Plus with Rise Time = 60ns and Fall Time = 100ns - break; - default: - break; - } - - // I2C configuration - I2cHandle.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT; - I2cHandle.Init.DualAddressMode = I2C_DUALADDRESS_DISABLED; - I2cHandle.Init.GeneralCallMode = I2C_GENERALCALL_DISABLED; - I2cHandle.Init.NoStretchMode = I2C_NOSTRETCH_DISABLED; - I2cHandle.Init.OwnAddress1 = 0; - I2cHandle.Init.OwnAddress2 = 0; - I2cHandle.Init.OwnAddress2Masks = I2C_OA2_NOMASK; - HAL_I2C_Init(&I2cHandle); -} - -inline int i2c_start(i2c_t *obj) -{ - I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c); - int timeout; - - I2cHandle.Instance = (I2C_TypeDef *)(obj->i2c); - - // Clear Acknowledge failure flag - __HAL_I2C_CLEAR_FLAG(&I2cHandle, I2C_FLAG_AF); - - // Generate the START condition - i2c->CR2 |= I2C_CR2_START; - - // Wait the START condition has been correctly sent - timeout = FLAG_TIMEOUT; - while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_BUSY) == RESET) { - if ((timeout--) == 0) { - return 1; - } - } - - return 0; -} - -inline int i2c_stop(i2c_t *obj) -{ - I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c); - - // Generate the STOP condition - i2c->CR2 |= I2C_CR2_STOP; - - return 0; -} - -int i2c_read(i2c_t *obj, int address, char *data, int length, int stop) -{ - I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c); - I2cHandle.Instance = (I2C_TypeDef *)(obj->i2c); - int timeout; - int count; - int value; - - // Update CR2 register - i2c->CR2 = (i2c->CR2 & (uint32_t)~((uint32_t)(I2C_CR2_SADD | I2C_CR2_NBYTES | I2C_CR2_RELOAD | I2C_CR2_AUTOEND | I2C_CR2_RD_WRN | I2C_CR2_START | I2C_CR2_STOP))) - | (uint32_t)(((uint32_t)address & I2C_CR2_SADD) | (((uint32_t)length << 16) & I2C_CR2_NBYTES) | (uint32_t)I2C_SOFTEND_MODE | (uint32_t)I2C_GENERATE_START_READ); - - // Read all bytes - for (count = 0; count < length; count++) { - value = i2c_byte_read(obj, 0); - data[count] = (char)value; - } - - // Wait transfer complete - timeout = FLAG_TIMEOUT; - while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_TC) == RESET) { - timeout--; - if (timeout == 0) { - return -1; - } - } - __HAL_I2C_CLEAR_FLAG(&I2cHandle, I2C_FLAG_TC); - - // If not repeated start, send stop. - if (stop) { - i2c_stop(obj); - // Wait until STOPF flag is set - timeout = FLAG_TIMEOUT; - while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_STOPF) == RESET) { - timeout--; - if (timeout == 0) { - return -1; - } - } - // Clear STOP Flag - __HAL_I2C_CLEAR_FLAG(&I2cHandle, I2C_FLAG_STOPF); - } - - return length; -} - -int i2c_write(i2c_t *obj, int address, const char *data, int length, int stop) -{ - I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c); - I2cHandle.Instance = (I2C_TypeDef *)(obj->i2c); - int timeout; - int count; - - // Update CR2 register - i2c->CR2 = (i2c->CR2 & (uint32_t)~((uint32_t)(I2C_CR2_SADD | I2C_CR2_NBYTES | I2C_CR2_RELOAD | I2C_CR2_AUTOEND | I2C_CR2_RD_WRN | I2C_CR2_START | I2C_CR2_STOP))) - | (uint32_t)(((uint32_t)address & I2C_CR2_SADD) | (((uint32_t)length << 16) & I2C_CR2_NBYTES) | (uint32_t)I2C_SOFTEND_MODE | (uint32_t)I2C_GENERATE_START_WRITE); - - for (count = 0; count < length; count++) { - i2c_byte_write(obj, data[count]); - } - - // Wait transfer complete - timeout = FLAG_TIMEOUT; - while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_TC) == RESET) { - timeout--; - if (timeout == 0) { - return -1; - } - } - __HAL_I2C_CLEAR_FLAG(&I2cHandle, I2C_FLAG_TC); - - // If not repeated start, send stop - if (stop) { - i2c_stop(obj); - // Wait until STOPF flag is set - timeout = FLAG_TIMEOUT; - while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_STOPF) == RESET) { - timeout--; - if (timeout == 0) { - return -1; - } - } - // Clear STOP Flag - __HAL_I2C_CLEAR_FLAG(&I2cHandle, I2C_FLAG_STOPF); - } - - return count; -} - -int i2c_byte_read(i2c_t *obj, int last) -{ - I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c); - int timeout; - - // Wait until the byte is received - timeout = FLAG_TIMEOUT; - while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_RXNE) == RESET) { - if ((timeout--) == 0) { - return -1; - } - } - - return (int)i2c->RXDR; -} - -int i2c_byte_write(i2c_t *obj, int data) -{ - I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c); - int timeout; - - // Wait until the previous byte is transmitted - timeout = FLAG_TIMEOUT; - while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_TXIS) == RESET) { - if ((timeout--) == 0) { - return 0; - } - } - - i2c->TXDR = (uint8_t)data; - - return 1; -} - -void i2c_reset(i2c_t *obj) -{ - int timeout; - - // Wait before reset - timeout = LONG_TIMEOUT; - while ((__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_BUSY)) && (timeout-- != 0)); - - if (obj->i2c == I2C_1) { - __I2C1_FORCE_RESET(); - __I2C1_RELEASE_RESET(); - } - if (obj->i2c == I2C_2) { - __I2C2_FORCE_RESET(); - __I2C2_RELEASE_RESET(); - } -} - -#if DEVICE_I2CSLAVE - -void i2c_slave_address(i2c_t *obj, int idx, uint32_t address, uint32_t mask) -{ - I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c); - uint16_t tmpreg = 0; - - // disable - i2c->OAR1 &= (uint32_t)(~I2C_OAR1_OA1EN); - // Get the old register value - tmpreg = i2c->OAR1; - // Reset address bits - tmpreg &= 0xFC00; - // Set new address - tmpreg |= (uint16_t)((uint16_t)address & (uint16_t)0x00FE); // 7-bits - // Store the new register value - i2c->OAR1 = tmpreg; - // enable - i2c->OAR1 |= I2C_OAR1_OA1EN; -} - -void i2c_slave_mode(i2c_t *obj, int enable_slave) -{ - I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c); - uint16_t tmpreg; - - // Get the old register value - tmpreg = i2c->OAR1; - - // Enable / disable slave - if (enable_slave == 1) { - tmpreg |= I2C_OAR1_OA1EN; - } else { - tmpreg &= (uint32_t)(~I2C_OAR1_OA1EN); - } - - // Set new mode - i2c->OAR1 = tmpreg; -} - -// See I2CSlave.h -#define NoData 0 // the slave has not been addressed -#define ReadAddressed 1 // the master has requested a read from this slave (slave = transmitter) -#define WriteGeneral 2 // the master is writing to all slave -#define WriteAddressed 3 // the master is writing to this slave (slave = receiver) - -int i2c_slave_receive(i2c_t *obj) -{ - I2cHandle.Instance = (I2C_TypeDef *)(obj->i2c); - int retValue = NoData; - - if (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_BUSY) == 1) { - if (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_ADDR) == 1) { - if (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_DIR) == 1) - retValue = ReadAddressed; - else - retValue = WriteAddressed; - - __HAL_I2C_CLEAR_FLAG(&I2cHandle, I2C_FLAG_ADDR); - } - } - - return (retValue); -} - -int i2c_slave_read(i2c_t *obj, char *data, int length) -{ - char size = 0; - - while (size < length) data[size++] = (char)i2c_byte_read(obj, 0); - - return size; -} - -int i2c_slave_write(i2c_t *obj, const char *data, int length) -{ - char size = 0; - I2cHandle.Instance = (I2C_TypeDef *)(obj->i2c); - - do { - i2c_byte_write(obj, data[size]); - size++; - } while (size < length); - - return size; -} - - -#endif // DEVICE_I2CSLAVE - -#endif // DEVICE_I2C
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F091RC/mbed_overrides.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,37 +0,0 @@ -/* mbed Microcontroller Library - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ -#include "cmsis.h" - -// This function is called after RAM initialization and before main. -void mbed_sdk_init() -{ - // Update the SystemCoreClock variable. - SystemCoreClockUpdate(); - // Need to restart HAL driver after the RAM is initialized - HAL_Init(); -}
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F091RC/objects.h Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,109 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#ifndef MBED_OBJECTS_H -#define MBED_OBJECTS_H - -#include "cmsis.h" -#include "PortNames.h" -#include "PeripheralNames.h" -#include "PinNames.h" - -#ifdef __cplusplus -extern "C" { -#endif - -struct gpio_irq_s { - IRQn_Type irq_n; - uint32_t irq_index; - uint32_t event; - PinName pin; -}; - -struct port_s { - PortName port; - uint32_t mask; - PinDirection direction; - __IO uint32_t *reg_in; - __IO uint32_t *reg_out; -}; - -struct analogin_s { - ADCName adc; - PinName pin; -}; - -struct dac_s { - DACName dac; - PinName pin; -}; - -struct serial_s { - UARTName uart; - int index; // Used by irq - uint32_t baudrate; - uint32_t databits; - uint32_t stopbits; - uint32_t parity; - PinName pin_tx; - PinName pin_rx; -}; - -struct spi_s { - SPIName spi; - uint32_t bits; - uint32_t cpol; - uint32_t cpha; - uint32_t mode; - uint32_t nss; - uint32_t br_presc; - PinName pin_miso; - PinName pin_mosi; - PinName pin_sclk; - PinName pin_ssel; -}; - -struct i2c_s { - I2CName i2c; -}; - -struct pwmout_s { - PWMName pwm; - PinName pin; - uint32_t period; - uint32_t pulse; -}; - -#include "gpio_object.h" - -#ifdef __cplusplus -} -#endif - -#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F091RC/pinmap.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,139 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#include "mbed_assert.h" -#include "pinmap.h" -#include "PortNames.h" -#include "mbed_error.h" - -// GPIO mode look-up table -static const uint32_t gpio_mode[13] = { - 0x00000000, // 0 = GPIO_MODE_INPUT - 0x00000001, // 1 = GPIO_MODE_OUTPUT_PP - 0x00000011, // 2 = GPIO_MODE_OUTPUT_OD - 0x00000002, // 3 = GPIO_MODE_AF_PP - 0x00000012, // 4 = GPIO_MODE_AF_OD - 0x00000003, // 5 = GPIO_MODE_ANALOG - 0x10110000, // 6 = GPIO_MODE_IT_RISING - 0x10210000, // 7 = GPIO_MODE_IT_FALLING - 0x10310000, // 8 = GPIO_MODE_IT_RISING_FALLING - 0x10120000, // 9 = GPIO_MODE_EVT_RISING - 0x10220000, // 10 = GPIO_MODE_EVT_FALLING - 0x10320000, // 11 = GPIO_MODE_EVT_RISING_FALLING - 0x10000000 // 12 = Reset IT and EVT (not in STM32Cube HAL) -}; - -// Enable GPIO clock and return GPIO base address -uint32_t Set_GPIO_Clock(uint32_t port_idx) -{ - uint32_t gpio_add = 0; - switch (port_idx) { - case PortA: - gpio_add = GPIOA_BASE; - __GPIOA_CLK_ENABLE(); - break; - case PortB: - gpio_add = GPIOB_BASE; - __GPIOB_CLK_ENABLE(); - break; - case PortC: - gpio_add = GPIOC_BASE; - __GPIOC_CLK_ENABLE(); - break; - case PortD: - gpio_add = GPIOD_BASE; - __GPIOD_CLK_ENABLE(); - break; - case PortF: - gpio_add = GPIOF_BASE; - __GPIOF_CLK_ENABLE(); - break; - default: - error("Pinmap error: wrong port number."); - break; - } - return gpio_add; -} - -/** - * Configure pin (mode, speed, output type and pull-up/pull-down) - */ -void pin_function(PinName pin, int data) -{ - MBED_ASSERT(pin != (PinName)NC); - - // Get the pin informations - uint32_t mode = STM_PIN_MODE(data); - uint32_t pupd = STM_PIN_PUPD(data); - uint32_t afnum = STM_PIN_AFNUM(data); - - uint32_t port_index = STM_PORT(pin); - uint32_t pin_index = STM_PIN(pin); - - // Enable GPIO clock - uint32_t gpio_add = Set_GPIO_Clock(port_index); - GPIO_TypeDef *gpio = (GPIO_TypeDef *)gpio_add; - - // Configure GPIO - GPIO_InitTypeDef GPIO_InitStructure; - GPIO_InitStructure.Pin = (uint32_t)(1 << pin_index); - GPIO_InitStructure.Mode = gpio_mode[mode]; - GPIO_InitStructure.Pull = pupd; - GPIO_InitStructure.Speed = GPIO_SPEED_HIGH; - GPIO_InitStructure.Alternate = afnum; - HAL_GPIO_Init(gpio, &GPIO_InitStructure); - - // [TODO] Disconnect SWDIO and SWCLK signals ? - // Warning: For debugging it is necessary to reconnect under reset if this is done. - //if ((pin == PA_13) || (pin == PA_14)) { - // - //} -} - -/** - * Configure pin pull-up/pull-down - */ -void pin_mode(PinName pin, PinMode mode) -{ - MBED_ASSERT(pin != (PinName)NC); - - uint32_t port_index = STM_PORT(pin); - uint32_t pin_index = STM_PIN(pin); - - // Enable GPIO clock - uint32_t gpio_add = Set_GPIO_Clock(port_index); - GPIO_TypeDef *gpio = (GPIO_TypeDef *)gpio_add; - - // Configure pull-up/pull-down resistors - uint32_t pupd = (uint32_t)mode; - if (pupd > 2) pupd = 0; // Open-drain = No pull-up/No pull-down - gpio->PUPDR &= (uint32_t)(~(GPIO_PUPDR_PUPDR0 << (pin_index * 2))); - gpio->PUPDR |= (uint32_t)(pupd << (pin_index * 2)); - -}
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F091RC/port_api.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,103 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#include "port_api.h" -#include "pinmap.h" -#include "gpio_api.h" -#include "mbed_error.h" - -#if DEVICE_PORTIN || DEVICE_PORTOUT - -extern uint32_t Set_GPIO_Clock(uint32_t port_idx); - -// high nibble = port number (0=A, 1=B, 2=C, 3=D, 4=E, 5=F, ...) -// low nibble = pin number -PinName port_pin(PortName port, int pin_n) -{ - return (PinName)(pin_n + (port << 4)); -} - -void port_init(port_t *obj, PortName port, int mask, PinDirection dir) -{ - uint32_t port_index = (uint32_t)port; - - // Enable GPIO clock - uint32_t gpio_add = Set_GPIO_Clock(port_index); - GPIO_TypeDef *gpio = (GPIO_TypeDef *)gpio_add; - - // Fill PORT object structure for future use - obj->port = port; - obj->mask = mask; - obj->direction = dir; - obj->reg_in = &gpio->IDR; - obj->reg_out = &gpio->ODR; - - port_dir(obj, dir); -} - -void port_dir(port_t *obj, PinDirection dir) -{ - uint32_t i; - obj->direction = dir; - for (i = 0; i < 16; i++) { // Process all pins - if (obj->mask & (1 << i)) { // If the pin is used - if (dir == PIN_OUTPUT) { - pin_function(port_pin(obj->port, i), STM_PIN_DATA(STM_MODE_OUTPUT_PP, GPIO_NOPULL, 0)); - } else { // PIN_INPUT - pin_function(port_pin(obj->port, i), STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); - } - } - } -} - -void port_mode(port_t *obj, PinMode mode) -{ - uint32_t i; - for (i = 0; i < 16; i++) { // Process all pins - if (obj->mask & (1 << i)) { // If the pin is used - pin_mode(port_pin(obj->port, i), mode); - } - } -} - -void port_write(port_t *obj, int value) -{ - *obj->reg_out = (*obj->reg_out & ~obj->mask) | (value & obj->mask); -} - -int port_read(port_t *obj) -{ - if (obj->direction == PIN_OUTPUT) { - return (*obj->reg_out & obj->mask); - } else { // PIN_INPUT - return (*obj->reg_in & obj->mask); - } -} - -#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F091RC/pwmout_api.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,216 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#include "pwmout_api.h" - -#if DEVICE_PWMOUT - -#include "cmsis.h" -#include "pinmap.h" -#include "mbed_error.h" -#include "PeripheralPins.h" - -static TIM_HandleTypeDef TimHandle; - -void pwmout_init(pwmout_t* obj, PinName pin) -{ - // Get the peripheral name from the pin and assign it to the object - obj->pwm = (PWMName)pinmap_peripheral(pin, PinMap_PWM); - - if (obj->pwm == (PWMName)NC) { - error("PWM error: pinout mapping failed."); - } - - // Enable TIM clock - if (obj->pwm == PWM_1) __TIM1_CLK_ENABLE(); - if (obj->pwm == PWM_2) __TIM2_CLK_ENABLE(); - if (obj->pwm == PWM_3) __TIM3_CLK_ENABLE(); - if (obj->pwm == PWM_14) __TIM14_CLK_ENABLE(); - if (obj->pwm == PWM_15) __TIM15_CLK_ENABLE(); - if (obj->pwm == PWM_16) __TIM16_CLK_ENABLE(); - if (obj->pwm == PWM_17) __TIM17_CLK_ENABLE(); - - // Configure GPIO - pinmap_pinout(pin, PinMap_PWM); - - obj->pin = pin; - obj->period = 0; - obj->pulse = 0; - - pwmout_period_us(obj, 20000); // 20 ms per default -} - -void pwmout_free(pwmout_t* obj) -{ - // Configure GPIO - pin_function(obj->pin, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); -} - -void pwmout_write(pwmout_t* obj, float value) -{ - TIM_OC_InitTypeDef sConfig; - int channel = 0; - int complementary_channel = 0; - - TimHandle.Instance = (TIM_TypeDef *)(obj->pwm); - - if (value < (float)0.0) { - value = 0.0; - } else if (value > (float)1.0) { - value = 1.0; - } - - obj->pulse = (uint32_t)((float)obj->period * value); - - // Configure channels - sConfig.OCMode = TIM_OCMODE_PWM1; - sConfig.Pulse = obj->pulse; - sConfig.OCPolarity = TIM_OCPOLARITY_HIGH; - sConfig.OCNPolarity = TIM_OCNPOLARITY_HIGH; - sConfig.OCFastMode = TIM_OCFAST_DISABLE; - sConfig.OCIdleState = TIM_OCIDLESTATE_RESET; - sConfig.OCNIdleState = TIM_OCNIDLESTATE_RESET; - - switch (obj->pin) { - // Channels 1 - case PA_2: - case PA_4: - case PA_6: - case PA_7: - case PA_8: - case PB_1: - case PB_4: - case PB_8: - case PB_9: - case PB_14: - case PC_6: - channel = TIM_CHANNEL_1; - break; - // Channels 1N - case PA_1: - case PB_6: - case PB_7: - case PB_13: - channel = TIM_CHANNEL_1; - complementary_channel = 1; - break; - // Channels 2 - case PA_3: - case PA_9: - case PB_5: - case PB_15: - case PC_7: - channel = TIM_CHANNEL_2; - break; - // Channels 3 - case PA_10: - case PB_0: - case PC_8: - channel = TIM_CHANNEL_3; - break; - // Channels 4 - case PA_11: - case PC_9: - channel = TIM_CHANNEL_4; - break; - default: - return; - } - - HAL_TIM_PWM_ConfigChannel(&TimHandle, &sConfig, channel); - - if (complementary_channel) { - HAL_TIMEx_PWMN_Start(&TimHandle, channel); - } else { - HAL_TIM_PWM_Start(&TimHandle, channel); - } -} - -float pwmout_read(pwmout_t* obj) -{ - float value = 0; - if (obj->period > 0) { - value = (float)(obj->pulse) / (float)(obj->period); - } - return ((value > (float)1.0) ? (float)(1.0) : (value)); -} - -void pwmout_period(pwmout_t* obj, float seconds) -{ - pwmout_period_us(obj, seconds * 1000000.0f); -} - -void pwmout_period_ms(pwmout_t* obj, int ms) -{ - pwmout_period_us(obj, ms * 1000); -} - -void pwmout_period_us(pwmout_t* obj, int us) -{ - TimHandle.Instance = (TIM_TypeDef *)(obj->pwm); - - float dc = pwmout_read(obj); - - __HAL_TIM_DISABLE(&TimHandle); - - // Update the SystemCoreClock variable - SystemCoreClockUpdate(); - - TimHandle.Init.Period = us - 1; - TimHandle.Init.Prescaler = (uint16_t)(SystemCoreClock / 1000000) - 1; // 1 µs tick - TimHandle.Init.ClockDivision = 0; - TimHandle.Init.CounterMode = TIM_COUNTERMODE_UP; - HAL_TIM_PWM_Init(&TimHandle); - - // Set duty cycle again - pwmout_write(obj, dc); - - // Save for future use - obj->period = us; - - __HAL_TIM_ENABLE(&TimHandle); -} - -void pwmout_pulsewidth(pwmout_t* obj, float seconds) -{ - pwmout_pulsewidth_us(obj, seconds * 1000000.0f); -} - -void pwmout_pulsewidth_ms(pwmout_t* obj, int ms) -{ - pwmout_pulsewidth_us(obj, ms * 1000); -} - -void pwmout_pulsewidth_us(pwmout_t* obj, int us) -{ - float value = (float)us / (float)obj->period; - pwmout_write(obj, value); -} - -#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F091RC/rtc_api.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,201 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#include "rtc_api.h" - -#if DEVICE_RTC - -#include "mbed_error.h" - -static int rtc_inited = 0; - -static RTC_HandleTypeDef RtcHandle; - -void rtc_init(void) -{ - RCC_OscInitTypeDef RCC_OscInitStruct; - uint32_t rtc_freq = 0; - - if (rtc_inited) return; - rtc_inited = 1; - - RtcHandle.Instance = RTC; - - // Enable Power clock - __PWR_CLK_ENABLE(); - - // Enable access to Backup domain - HAL_PWR_EnableBkUpAccess(); - - // Reset Backup domain - __HAL_RCC_BACKUPRESET_FORCE(); - __HAL_RCC_BACKUPRESET_RELEASE(); - - // Enable LSE Oscillator - RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSE; - RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE; // Mandatory, otherwise the PLL is reconfigured! - RCC_OscInitStruct.LSEState = RCC_LSE_ON; // External 32.768 kHz clock on OSC_IN/OSC_OUT - if (HAL_RCC_OscConfig(&RCC_OscInitStruct) == HAL_OK) { - // Connect LSE to RTC - __HAL_RCC_RTC_CONFIG(RCC_RTCCLKSOURCE_LSE); - rtc_freq = LSE_VALUE; - } else { - // Enable LSI clock - RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI | RCC_OSCILLATORTYPE_LSE; - RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE; // Mandatory, otherwise the PLL is reconfigured! - RCC_OscInitStruct.LSEState = RCC_LSE_OFF; - RCC_OscInitStruct.LSIState = RCC_LSI_ON; - if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) { - error("RTC error: LSI clock initialization failed."); - } - // Connect LSI to RTC - __HAL_RCC_RTC_CONFIG(RCC_RTCCLKSOURCE_LSI); - // This value is LSI typical value. To be measured precisely using a timer input capture for example. - rtc_freq = LSI_VALUE; - } - - // Enable RTC - __HAL_RCC_RTC_ENABLE(); - - RtcHandle.Init.HourFormat = RTC_HOURFORMAT_24; - RtcHandle.Init.AsynchPrediv = 127; - RtcHandle.Init.SynchPrediv = (rtc_freq / 128) - 1; - RtcHandle.Init.OutPut = RTC_OUTPUT_DISABLE; - RtcHandle.Init.OutPutPolarity = RTC_OUTPUT_POLARITY_HIGH; - RtcHandle.Init.OutPutType = RTC_OUTPUT_TYPE_OPENDRAIN; - - if (HAL_RTC_Init(&RtcHandle) != HAL_OK) { - error("RTC error: RTC initialization failed."); - } -} - -void rtc_free(void) -{ - // Enable Power clock - __PWR_CLK_ENABLE(); - - // Enable access to Backup domain - HAL_PWR_EnableBkUpAccess(); - - // Reset Backup domain - __HAL_RCC_BACKUPRESET_FORCE(); - __HAL_RCC_BACKUPRESET_RELEASE(); - - // Disable access to Backup domain - HAL_PWR_DisableBkUpAccess(); - - // Disable LSI and LSE clocks - RCC_OscInitTypeDef RCC_OscInitStruct; - RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI | RCC_OSCILLATORTYPE_LSE; - RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE; - RCC_OscInitStruct.LSIState = RCC_LSI_OFF; - RCC_OscInitStruct.LSEState = RCC_LSE_OFF; - HAL_RCC_OscConfig(&RCC_OscInitStruct); - - rtc_inited = 0; -} - -int rtc_isenabled(void) -{ - return rtc_inited; -} - -/* - RTC Registers - RTC_WeekDay 1=monday, 2=tuesday, ..., 7=sunday - RTC_Month 1=january, 2=february, ..., 12=december - RTC_Date day of the month 1-31 - RTC_Year year 0-99 - struct tm - tm_sec seconds after the minute 0-61 - tm_min minutes after the hour 0-59 - tm_hour hours since midnight 0-23 - tm_mday day of the month 1-31 - tm_mon months since January 0-11 - tm_year years since 1900 - tm_wday days since Sunday 0-6 - tm_yday days since January 1 0-365 - tm_isdst Daylight Saving Time flag -*/ -time_t rtc_read(void) -{ - RTC_DateTypeDef dateStruct; - RTC_TimeTypeDef timeStruct; - struct tm timeinfo; - - RtcHandle.Instance = RTC; - - // Read actual date and time - // Warning: the time must be read first! - HAL_RTC_GetTime(&RtcHandle, &timeStruct, FORMAT_BIN); - HAL_RTC_GetDate(&RtcHandle, &dateStruct, FORMAT_BIN); - - // Setup a tm structure based on the RTC - timeinfo.tm_wday = dateStruct.WeekDay; - timeinfo.tm_mon = dateStruct.Month - 1; - timeinfo.tm_mday = dateStruct.Date; - timeinfo.tm_year = dateStruct.Year + 100; - timeinfo.tm_hour = timeStruct.Hours; - timeinfo.tm_min = timeStruct.Minutes; - timeinfo.tm_sec = timeStruct.Seconds; - - // Convert to timestamp - time_t t = mktime(&timeinfo); - - return t; -} - -void rtc_write(time_t t) -{ - RTC_DateTypeDef dateStruct; - RTC_TimeTypeDef timeStruct; - - RtcHandle.Instance = RTC; - - // Convert the time into a tm - struct tm *timeinfo = localtime(&t); - - // Fill RTC structures - dateStruct.WeekDay = timeinfo->tm_wday; - dateStruct.Month = timeinfo->tm_mon + 1; - dateStruct.Date = timeinfo->tm_mday; - dateStruct.Year = timeinfo->tm_year - 100; - timeStruct.Hours = timeinfo->tm_hour; - timeStruct.Minutes = timeinfo->tm_min; - timeStruct.Seconds = timeinfo->tm_sec; - timeStruct.TimeFormat = RTC_HOURFORMAT12_PM; - timeStruct.DayLightSaving = RTC_DAYLIGHTSAVING_NONE; - timeStruct.StoreOperation = RTC_STOREOPERATION_RESET; - - // Change the RTC current date/time - HAL_RTC_SetDate(&RtcHandle, &dateStruct, FORMAT_BIN); - HAL_RTC_SetTime(&RtcHandle, &timeStruct, FORMAT_BIN); -} - -#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F091RC/serial_api.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,450 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#include "mbed_assert.h" -#include "serial_api.h" - -#if DEVICE_SERIAL - -#include "cmsis.h" -#include "pinmap.h" -#include <string.h> -#include "PeripheralPins.h" - -#define UART_NUM (8) - -static uint32_t serial_irq_ids[UART_NUM] = {0, 0, 0, 0, 0, 0, 0, 0}; - -static uart_irq_handler irq_handler; - -UART_HandleTypeDef UartHandle; - -int stdio_uart_inited = 0; -serial_t stdio_uart; - -static void init_uart(serial_t *obj) -{ - UartHandle.Instance = (USART_TypeDef *)(obj->uart); - - UartHandle.Init.BaudRate = obj->baudrate; - UartHandle.Init.WordLength = obj->databits; - UartHandle.Init.StopBits = obj->stopbits; - UartHandle.Init.Parity = obj->parity; - UartHandle.Init.HwFlowCtl = UART_HWCONTROL_NONE; - - if (obj->pin_rx == NC) { - UartHandle.Init.Mode = UART_MODE_TX; - } else if (obj->pin_tx == NC) { - UartHandle.Init.Mode = UART_MODE_RX; - } else { - UartHandle.Init.Mode = UART_MODE_TX_RX; - } - - // Disable the reception overrun detection - UartHandle.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_RXOVERRUNDISABLE_INIT; - UartHandle.AdvancedInit.OverrunDisable = UART_ADVFEATURE_OVERRUN_DISABLE; - - HAL_UART_Init(&UartHandle); -} - -void serial_init(serial_t *obj, PinName tx, PinName rx) -{ - // Determine the UART to use (UART_1, UART_2, ...) - UARTName uart_tx = (UARTName)pinmap_peripheral(tx, PinMap_UART_TX); - UARTName uart_rx = (UARTName)pinmap_peripheral(rx, PinMap_UART_RX); - - // Get the peripheral name (UART_1, UART_2, ...) from the pin and assign it to the object - obj->uart = (UARTName)pinmap_merge(uart_tx, uart_rx); - MBED_ASSERT(obj->uart != (UARTName)NC); - - // Enable USART clock - if (obj->uart == UART_1) { - __USART1_CLK_ENABLE(); - obj->index = 0; - } - - if (obj->uart == UART_2) { - __USART2_CLK_ENABLE(); - obj->index = 1; - } - - if (obj->uart == UART_3) { - __USART3_CLK_ENABLE(); - obj->index = 2; - } - - if (obj->uart == UART_4) { - __USART4_CLK_ENABLE(); - obj->index = 3; - } - - if (obj->uart == UART_5) { - __USART5_CLK_ENABLE(); - obj->index = 4; - } - - if (obj->uart == UART_6) { - __USART6_CLK_ENABLE(); - obj->index = 5; - } - - if (obj->uart == UART_7) { - __USART7_CLK_ENABLE(); - obj->index = 6; - } - - if (obj->uart == UART_8) { - __USART8_CLK_ENABLE(); - obj->index = 7; - } - - // Configure the UART pins - pinmap_pinout(tx, PinMap_UART_TX); - pinmap_pinout(rx, PinMap_UART_RX); - if (tx != NC) { - pin_mode(tx, PullUp); - } - if (rx != NC) { - pin_mode(rx, PullUp); - } - - // Configure UART - obj->baudrate = 9600; - obj->databits = UART_WORDLENGTH_8B; - obj->stopbits = UART_STOPBITS_1; - obj->parity = UART_PARITY_NONE; - - obj->pin_tx = tx; - obj->pin_rx = rx; - - init_uart(obj); - - // For stdio management - if (obj->uart == STDIO_UART) { - stdio_uart_inited = 1; - memcpy(&stdio_uart, obj, sizeof(serial_t)); - } -} - -void serial_free(serial_t *obj) -{ - // Reset UART and disable clock - if (obj->uart == UART_1) { - __USART1_FORCE_RESET(); - __USART1_RELEASE_RESET(); - __USART1_CLK_DISABLE(); - } - - if (obj->uart == UART_2) { - __USART2_FORCE_RESET(); - __USART2_RELEASE_RESET(); - __USART2_CLK_DISABLE(); - } - - if (obj->uart == UART_3) { - __USART3_FORCE_RESET(); - __USART3_RELEASE_RESET(); - __USART3_CLK_DISABLE(); - } - - if (obj->uart == UART_4) { - __USART4_FORCE_RESET(); - __USART4_RELEASE_RESET(); - __USART4_CLK_DISABLE(); - } - - if (obj->uart == UART_5) { - __USART5_FORCE_RESET(); - __USART5_RELEASE_RESET(); - __USART5_CLK_DISABLE(); - } - - if (obj->uart == UART_6) { - __USART6_FORCE_RESET(); - __USART6_RELEASE_RESET(); - __USART6_CLK_DISABLE(); - } - - if (obj->uart == UART_7) { - __USART7_FORCE_RESET(); - __USART7_RELEASE_RESET(); - __USART7_CLK_DISABLE(); - } - - if (obj->uart == UART_8) { - __USART8_FORCE_RESET(); - __USART8_RELEASE_RESET(); - __USART8_CLK_DISABLE(); - } - - // Configure GPIOs - pin_function(obj->pin_tx, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); - pin_function(obj->pin_rx, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); - - serial_irq_ids[obj->index] = 0; -} - -void serial_baud(serial_t *obj, int baudrate) -{ - obj->baudrate = baudrate; - init_uart(obj); -} - -void serial_format(serial_t *obj, int data_bits, SerialParity parity, int stop_bits) -{ - if (data_bits == 9) { - obj->databits = UART_WORDLENGTH_9B; - } else { - obj->databits = UART_WORDLENGTH_8B; - } - - switch (parity) { - case ParityOdd: - case ParityForced0: - obj->parity = UART_PARITY_ODD; - break; - case ParityEven: - case ParityForced1: - obj->parity = UART_PARITY_EVEN; - break; - default: // ParityNone - obj->parity = UART_PARITY_NONE; - break; - } - - if (stop_bits == 2) { - obj->stopbits = UART_STOPBITS_2; - } else { - obj->stopbits = UART_STOPBITS_1; - } - - init_uart(obj); -} - -/****************************************************************************** - * INTERRUPTS HANDLING - ******************************************************************************/ - -static void uart_irq(UARTName name, int id) -{ - UartHandle.Instance = (USART_TypeDef *)name; - if (serial_irq_ids[id] != 0) { - if (__HAL_UART_GET_FLAG(&UartHandle, UART_FLAG_TC) != RESET) { - irq_handler(serial_irq_ids[id], TxIrq); - __HAL_UART_CLEAR_IT(&UartHandle, UART_FLAG_TC); - } - if (__HAL_UART_GET_FLAG(&UartHandle, UART_FLAG_RXNE) != RESET) { - irq_handler(serial_irq_ids[id], RxIrq); - volatile uint32_t tmpval = UartHandle.Instance->RDR; // Clear RXNE bit - } - } -} - -static void uart1_irq(void) -{ - uart_irq(UART_1, 0); -} - -static void uart2_irq(void) -{ - uart_irq(UART_2, 1); -} - -static void uart3_irq(void) -{ - uart_irq(UART_3, 2); -} - -static void uart4_irq(void) -{ - uart_irq(UART_4, 3); -} - -static void uart5_irq(void) -{ - uart_irq(UART_5, 4); -} - -static void uart6_irq(void) -{ - uart_irq(UART_6, 5); -} - -static void uart7_irq(void) -{ - uart_irq(UART_7, 6); -} - -static void uart8_irq(void) -{ - uart_irq(UART_8, 7); -} - -void serial_irq_handler(serial_t *obj, uart_irq_handler handler, uint32_t id) -{ - irq_handler = handler; - serial_irq_ids[obj->index] = id; -} - -void serial_irq_set(serial_t *obj, SerialIrq irq, uint32_t enable) -{ - IRQn_Type irq_n = (IRQn_Type)0; - uint32_t vector = 0; - - UartHandle.Instance = (USART_TypeDef *)(obj->uart); - - if (obj->uart == UART_1) { - irq_n = USART1_IRQn; - vector = (uint32_t)&uart1_irq; - } - - if (obj->uart == UART_2) { - irq_n = USART2_IRQn; - vector = (uint32_t)&uart2_irq; - } - - if (obj->uart == UART_3) { - irq_n = USART3_8_IRQn; - vector = (uint32_t)&uart3_irq; - } - - if (obj->uart == UART_4) { - irq_n = USART3_8_IRQn; - vector = (uint32_t)&uart4_irq; - } - - if (obj->uart == UART_5) { - irq_n = USART3_8_IRQn; - vector = (uint32_t)&uart5_irq; - } - - if (obj->uart == UART_6) { - irq_n = USART3_8_IRQn; - vector = (uint32_t)&uart6_irq; - } - - if (obj->uart == UART_7) { - irq_n = USART3_8_IRQn; - vector = (uint32_t)&uart7_irq; - } - - if (obj->uart == UART_8) { - irq_n = USART3_8_IRQn; - vector = (uint32_t)&uart8_irq; - } - - if (enable) { - - if (irq == RxIrq) { - __HAL_UART_ENABLE_IT(&UartHandle, UART_IT_RXNE); - } else { // TxIrq - __HAL_UART_ENABLE_IT(&UartHandle, UART_IT_TC); - } - - NVIC_SetVector(irq_n, vector); - NVIC_EnableIRQ(irq_n); - - } else { // disable - - int all_disabled = 0; - - if (irq == RxIrq) { - __HAL_UART_DISABLE_IT(&UartHandle, UART_IT_RXNE); - // Check if TxIrq is disabled too - if ((UartHandle.Instance->CR1 & USART_CR1_TCIE) == 0) all_disabled = 1; - } else { // TxIrq - __HAL_UART_DISABLE_IT(&UartHandle, UART_IT_TC); - // Check if RxIrq is disabled too - if ((UartHandle.Instance->CR1 & USART_CR1_RXNEIE) == 0) all_disabled = 1; - } - - if (all_disabled) NVIC_DisableIRQ(irq_n); - - } -} - -/****************************************************************************** - * READ/WRITE - ******************************************************************************/ - -int serial_getc(serial_t *obj) -{ - USART_TypeDef *uart = (USART_TypeDef *)(obj->uart); - while (!serial_readable(obj)); - return (int)(uart->RDR & (uint16_t)0xFF); -} - -void serial_putc(serial_t *obj, int c) -{ - USART_TypeDef *uart = (USART_TypeDef *)(obj->uart); - while (!serial_writable(obj)); - uart->TDR = (uint32_t)(c & (uint16_t)0xFF); -} - -int serial_readable(serial_t *obj) -{ - int status; - UartHandle.Instance = (USART_TypeDef *)(obj->uart); - // Check if data is received - status = ((__HAL_UART_GET_FLAG(&UartHandle, UART_FLAG_RXNE) != RESET) ? 1 : 0); - return status; -} - -int serial_writable(serial_t *obj) -{ - int status; - UartHandle.Instance = (USART_TypeDef *)(obj->uart); - // Check if data is transmitted - status = ((__HAL_UART_GET_FLAG(&UartHandle, UART_FLAG_TXE) != RESET) ? 1 : 0); - return status; -} - -void serial_clear(serial_t *obj) -{ - UartHandle.Instance = (USART_TypeDef *)(obj->uart); - __HAL_UART_CLEAR_IT(&UartHandle, UART_FLAG_TC); - __HAL_UART_SEND_REQ(&UartHandle, UART_RXDATA_FLUSH_REQUEST); -} - -void serial_pinout_tx(PinName tx) -{ - pinmap_pinout(tx, PinMap_UART_TX); -} - -void serial_break_set(serial_t *obj) -{ - // [TODO] -} - -void serial_break_clear(serial_t *obj) -{ - // [TODO] -} - -#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F091RC/sleep.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,61 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#include "sleep_api.h" - -#if DEVICE_SLEEP - -#include "cmsis.h" - -static TIM_HandleTypeDef TimMasterHandle; - -void sleep(void) -{ - TimMasterHandle.Instance = TIM2; - - // Disable HAL tick interrupt - __HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC2); - - // Request to enter SLEEP mode - HAL_PWR_EnterSLEEPMode(PWR_MAINREGULATOR_ON, PWR_SLEEPENTRY_WFI); - - // Enable HAL tick interrupt - __HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2); -} - -void deepsleep(void) -{ - // Request to enter STOP mode with regulator in low power mode - HAL_PWR_EnterSTOPMode(PWR_LOWPOWERREGULATOR_ON, PWR_STOPENTRY_WFI); - - // After wake-up from STOP reconfigure the PLL - SetSysClock(); -} - -#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F091RC/spi_api.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,298 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#include "mbed_assert.h" -#include "spi_api.h" - -#if DEVICE_SPI - -#include <math.h> -#include "cmsis.h" -#include "pinmap.h" -#include "PeripheralPins.h" - -static SPI_HandleTypeDef SpiHandle; - -static void init_spi(spi_t *obj) -{ - SpiHandle.Instance = (SPI_TypeDef *)(obj->spi); - - __HAL_SPI_DISABLE(&SpiHandle); - - SpiHandle.Init.Mode = obj->mode; - SpiHandle.Init.BaudRatePrescaler = obj->br_presc; - SpiHandle.Init.Direction = SPI_DIRECTION_2LINES; - SpiHandle.Init.CLKPhase = obj->cpha; - SpiHandle.Init.CLKPolarity = obj->cpol; - SpiHandle.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLED; - SpiHandle.Init.CRCPolynomial = 7; - SpiHandle.Init.DataSize = obj->bits; - SpiHandle.Init.FirstBit = SPI_FIRSTBIT_MSB; - SpiHandle.Init.NSS = obj->nss; - SpiHandle.Init.TIMode = SPI_TIMODE_DISABLED; - - HAL_SPI_Init(&SpiHandle); - - __HAL_SPI_ENABLE(&SpiHandle); -} - -void spi_init(spi_t *obj, PinName mosi, PinName miso, PinName sclk, PinName ssel) -{ - // Determine the SPI to use - SPIName spi_mosi = (SPIName)pinmap_peripheral(mosi, PinMap_SPI_MOSI); - SPIName spi_miso = (SPIName)pinmap_peripheral(miso, PinMap_SPI_MISO); - SPIName spi_sclk = (SPIName)pinmap_peripheral(sclk, PinMap_SPI_SCLK); - SPIName spi_ssel = (SPIName)pinmap_peripheral(ssel, PinMap_SPI_SSEL); - - SPIName spi_data = (SPIName)pinmap_merge(spi_mosi, spi_miso); - SPIName spi_cntl = (SPIName)pinmap_merge(spi_sclk, spi_ssel); - - obj->spi = (SPIName)pinmap_merge(spi_data, spi_cntl); - MBED_ASSERT(obj->spi != (SPIName)NC); - - // Enable SPI clock - if (obj->spi == SPI_1) { - __SPI1_CLK_ENABLE(); - } - if (obj->spi == SPI_2) { - __SPI2_CLK_ENABLE(); - } - - // Configure the SPI pins - pinmap_pinout(mosi, PinMap_SPI_MOSI); - pinmap_pinout(miso, PinMap_SPI_MISO); - pinmap_pinout(sclk, PinMap_SPI_SCLK); - - // Save new values - obj->bits = SPI_DATASIZE_8BIT; - obj->cpol = SPI_POLARITY_LOW; - obj->cpha = SPI_PHASE_1EDGE; - obj->br_presc = SPI_BAUDRATEPRESCALER_256; - - obj->pin_miso = miso; - obj->pin_mosi = mosi; - obj->pin_sclk = sclk; - obj->pin_ssel = ssel; - - if (ssel == NC) { // SW NSS Master mode - obj->mode = SPI_MODE_MASTER; - obj->nss = SPI_NSS_SOFT; - } else { // Slave - pinmap_pinout(ssel, PinMap_SPI_SSEL); - obj->mode = SPI_MODE_SLAVE; - obj->nss = SPI_NSS_HARD_INPUT; - } - - init_spi(obj); -} - -void spi_free(spi_t *obj) -{ - // Reset SPI and disable clock - if (obj->spi == SPI_1) { - __SPI1_FORCE_RESET(); - __SPI1_RELEASE_RESET(); - __SPI1_CLK_DISABLE(); - } - - if (obj->spi == SPI_2) { - __SPI2_FORCE_RESET(); - __SPI2_RELEASE_RESET(); - __SPI2_CLK_DISABLE(); - } - - // Configure GPIOs - pin_function(obj->pin_miso, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); - pin_function(obj->pin_mosi, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); - pin_function(obj->pin_sclk, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); - pin_function(obj->pin_ssel, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); -} - -void spi_format(spi_t *obj, int bits, int mode, int slave) -{ - // Save new values - if (bits == 16) { - obj->bits = SPI_DATASIZE_16BIT; - } else { - obj->bits = SPI_DATASIZE_8BIT; - } - - switch (mode) { - case 0: - obj->cpol = SPI_POLARITY_LOW; - obj->cpha = SPI_PHASE_1EDGE; - break; - case 1: - obj->cpol = SPI_POLARITY_LOW; - obj->cpha = SPI_PHASE_2EDGE; - break; - case 2: - obj->cpol = SPI_POLARITY_HIGH; - obj->cpha = SPI_PHASE_1EDGE; - break; - default: - obj->cpol = SPI_POLARITY_HIGH; - obj->cpha = SPI_PHASE_2EDGE; - break; - } - - if (slave == 0) { - obj->mode = SPI_MODE_MASTER; - obj->nss = SPI_NSS_SOFT; - } else { - obj->mode = SPI_MODE_SLAVE; - obj->nss = SPI_NSS_HARD_INPUT; - } - - init_spi(obj); -} - -void spi_frequency(spi_t *obj, int hz) -{ - // Note: The frequencies are obtained with SPI clock = 48 MHz (APB clock) - if (hz < 375000) { - obj->br_presc = SPI_BAUDRATEPRESCALER_256; // 188 kHz - } else if ((hz >= 375000) && (hz < 750000)) { - obj->br_presc = SPI_BAUDRATEPRESCALER_128; // 375 kHz - } else if ((hz >= 750000) && (hz < 1000000)) { - obj->br_presc = SPI_BAUDRATEPRESCALER_64; // 750 kHz - } else if ((hz >= 1000000) && (hz < 3000000)) { - obj->br_presc = SPI_BAUDRATEPRESCALER_32; // 1.5 MHz - } else if ((hz >= 3000000) && (hz < 6000000)) { - obj->br_presc = SPI_BAUDRATEPRESCALER_16; // 3 MHz - } else if ((hz >= 6000000) && (hz < 12000000)) { - obj->br_presc = SPI_BAUDRATEPRESCALER_8; // 6 MHz - } else if ((hz >= 12000000) && (hz < 24000000)) { - obj->br_presc = SPI_BAUDRATEPRESCALER_4; // 12 MHz - } else { // >= 24000000 - obj->br_presc = SPI_BAUDRATEPRESCALER_2; // 24 MHz - } - - init_spi(obj); -} - -static inline int ssp_readable(spi_t *obj) -{ - int status; - SpiHandle.Instance = (SPI_TypeDef *)(obj->spi); - // Check if data is received - status = ((__HAL_SPI_GET_FLAG(&SpiHandle, SPI_FLAG_RXNE) != RESET) ? 1 : 0); - return status; -} - -static inline int ssp_writeable(spi_t *obj) -{ - int status; - SpiHandle.Instance = (SPI_TypeDef *)(obj->spi); - // Check if data is transmitted - status = ((__HAL_SPI_GET_FLAG(&SpiHandle, SPI_FLAG_TXE) != RESET) ? 1 : 0); - return status; -} - -static inline void ssp_write(spi_t *obj, int value) -{ - SPI_TypeDef *spi = (SPI_TypeDef *)(obj->spi); - while (!ssp_writeable(obj)); - if (obj->bits == SPI_DATASIZE_8BIT) { - // Force 8-bit access to the data register - uint8_t *p_spi_dr = 0; - p_spi_dr = (uint8_t *) & (spi->DR); - *p_spi_dr = (uint8_t)value; - } else { // SPI_DATASIZE_16BIT - spi->DR = (uint16_t)value; - } -} - -static inline int ssp_read(spi_t *obj) -{ - SPI_TypeDef *spi = (SPI_TypeDef *)(obj->spi); - while (!ssp_readable(obj)); - if (obj->bits == SPI_DATASIZE_8BIT) { - // Force 8-bit access to the data register - uint8_t *p_spi_dr = 0; - p_spi_dr = (uint8_t *) & (spi->DR); - return (int)(*p_spi_dr); - } else { - return (int)spi->DR; - } -} - -static inline int ssp_busy(spi_t *obj) -{ - int status; - SpiHandle.Instance = (SPI_TypeDef *)(obj->spi); - status = ((__HAL_SPI_GET_FLAG(&SpiHandle, SPI_FLAG_BSY) != RESET) ? 1 : 0); - return status; -} - -int spi_master_write(spi_t *obj, int value) -{ - ssp_write(obj, value); - return ssp_read(obj); -} - -int spi_slave_receive(spi_t *obj) -{ - return ((ssp_readable(obj) && !ssp_busy(obj)) ? 1 : 0); -}; - -int spi_slave_read(spi_t *obj) -{ - SPI_TypeDef *spi = (SPI_TypeDef *)(obj->spi); - while (!ssp_readable(obj)); - if (obj->bits == SPI_DATASIZE_8BIT) { - // Force 8-bit access to the data register - uint8_t *p_spi_dr = 0; - p_spi_dr = (uint8_t *) & (spi->DR); - return (int)(*p_spi_dr); - } else { - return (int)spi->DR; - } -} - -void spi_slave_write(spi_t *obj, int value) -{ - SPI_TypeDef *spi = (SPI_TypeDef *)(obj->spi); - while (!ssp_writeable(obj)); - if (obj->bits == SPI_DATASIZE_8BIT) { - // Force 8-bit access to the data register - uint8_t *p_spi_dr = 0; - p_spi_dr = (uint8_t *) & (spi->DR); - *p_spi_dr = (uint8_t)value; - } else { // SPI_DATASIZE_16BIT - spi->DR = (uint16_t)value; - } -} - -int spi_busy(spi_t *obj) -{ - return ssp_busy(obj); -} - -#endif
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F091RC/us_ticker.c Mon Feb 09 09:00:07 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,70 +0,0 @@ -/* mbed Microcontroller Library - * Copyright (c) 2014, STMicroelectronics - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ -#include <stddef.h> -#include "us_ticker_api.h" -#include "PeripheralNames.h" - -// 32-bit timer selection -#define TIM_MST TIM2 - -static TIM_HandleTypeDef TimMasterHandle; -static int us_ticker_inited = 0; - -void us_ticker_init(void) -{ - if (us_ticker_inited) return; - us_ticker_inited = 1; - - TimMasterHandle.Instance = TIM_MST; - - HAL_InitTick(0); // The passed value is not used -} - -uint32_t us_ticker_read() -{ - if (!us_ticker_inited) us_ticker_init(); - return TIM_MST->CNT; -} - -void us_ticker_set_interrupt(timestamp_t timestamp) -{ - // Set new output compare value - __HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_1, (uint32_t)timestamp); - // Enable IT - __HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC1); -} - -void us_ticker_disable_interrupt(void) -{ - __HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC1); -} - -void us_ticker_clear_interrupt(void) -{ - __HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC1); -}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/hal/TARGET_STM/TARGET_STM32F0/PeripheralPins.h Mon Feb 09 09:30:07 2015 +0000 @@ -0,0 +1,66 @@ +/* mbed Microcontroller Library + ******************************************************************************* + * Copyright (c) 2014, STMicroelectronics + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ******************************************************************************* + */ + +#ifndef MBED_PERIPHERALPINS_H +#define MBED_PERIPHERALPINS_H + +#include "pinmap.h" +#include "PeripheralNames.h" + +//*** ADC *** + +extern const PinMap PinMap_ADC[]; + +//*** DAC *** + +extern const PinMap PinMap_DAC[]; + +//*** I2C *** + +extern const PinMap PinMap_I2C_SDA[]; +extern const PinMap PinMap_I2C_SCL[]; + +//*** PWM *** + +extern const PinMap PinMap_PWM[]; + +//*** SERIAL *** + +extern const PinMap PinMap_UART_TX[]; +extern const PinMap PinMap_UART_RX[]; + +//*** SPI *** + +extern const PinMap PinMap_SPI_MOSI[]; +extern const PinMap PinMap_SPI_MISO[]; +extern const PinMap PinMap_SPI_SCLK[]; +extern const PinMap PinMap_SPI_SSEL[]; + +#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/hal/TARGET_STM/TARGET_STM32F0/TARGET_DISCO_F051R8/PeripheralNames.h Mon Feb 09 09:30:07 2015 +0000 @@ -0,0 +1,81 @@ +/* mbed Microcontroller Library + ******************************************************************************* + * Copyright (c) 2014, STMicroelectronics + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ******************************************************************************* + */ +#ifndef MBED_PERIPHERALNAMES_H +#define MBED_PERIPHERALNAMES_H + +#include "cmsis.h" + +#ifdef __cplusplus +extern "C" { +#endif + +typedef enum { + ADC_1 = (int)ADC1_BASE, + ADC_2 = (int)ADC_BASE +} ADCName; + +typedef enum { + DAC_1 = (int)DAC_BASE +} DACName; + +typedef enum { + UART_1 = (int)USART1_BASE, + UART_2 = (int)USART2_BASE +} UARTName; + +#define STDIO_UART_TX PA_2 +#define STDIO_UART_RX PA_3 +#define STDIO_UART UART_2 + +typedef enum { + SPI_1 = (int)SPI1_BASE, + SPI_2 = (int)SPI2_BASE +} SPIName; + +typedef enum { + I2C_1 = (int)I2C1_BASE, + I2C_2 = (int)I2C2_BASE +} I2CName; + +typedef enum { + PWM_1 = (int)TIM1_BASE, + PWM_2 = (int)TIM2_BASE, + PWM_3 = (int)TIM3_BASE, + PWM_14 = (int)TIM14_BASE, + PWM_15 = (int)TIM15_BASE, + PWM_16 = (int)TIM16_BASE, + PWM_17 = (int)TIM17_BASE +} PWMName; + +#ifdef __cplusplus +} +#endif + +#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/hal/TARGET_STM/TARGET_STM32F0/TARGET_DISCO_F051R8/PeripheralPins.c Mon Feb 09 09:30:07 2015 +0000 @@ -0,0 +1,151 @@ +/* mbed Microcontroller Library + ******************************************************************************* + * Copyright (c) 2014, STMicroelectronics + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ******************************************************************************* + */ + +#include "PeripheralPins.h" + +// ===== +// Note: Commented lines are alternative possibilities which are not used per default. +// If you change them, you will have also to modify the corresponding xxx_api.c file +// for pwmout, analogin, analogout, ... +// ===== + +//*** ADC *** + +const PinMap PinMap_ADC[] = { + {PA_0, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN0 + {PA_1, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN1 + {PA_2, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN2 + {PA_3, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN3 + {PA_4, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN4 + {PA_5, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN5 + {PA_6, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN6 + {PA_7, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN7 + {PB_0, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN8 + {PB_1, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN9 + {PC_0, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN10 + {PC_1, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN11 + {PC_2, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN12 + {PC_3, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN13 + {PC_4, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN14 + {PC_5, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN15 + {NC, NC, 0} +}; + +//*** I2C *** + +const PinMap PinMap_I2C_SDA[] = { + {PB_7, I2C_1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C1)}, + {PB_9, I2C_1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C1)}, + {PB_11, I2C_2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C2)}, + {NC, NC, 0} +}; + +const PinMap PinMap_I2C_SCL[] = { + {PB_6, I2C_1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C1)}, + {PB_8, I2C_1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C1)}, + {PB_10, I2C_2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C2)}, + {NC, NC, 0} +}; + +//*** PWM *** + +// TIM1 cannot be used because already used by the us_ticker +const PinMap PinMap_PWM[] = { + {PA_4, PWM_14, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF4_TIM14)}, // TIM14_CH1 + {PA_6, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF1_TIM3)}, // TIM3_CH1 +// {PA_6, PWM_16, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF5_TIM16)}, // TIM16_CH1 + {PA_7, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF1_TIM3)}, // TIM3_CH2 +// {PA_7, PWM_14, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF4_TIM14)}, // TIM14_CH1 +// {PA_7, PWM_17, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF5_TIM17)}, // TIM17_CH1 + {PB_0, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF1_TIM3)}, // TIM3_CH3 + {PB_1, PWM_14, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF0_TIM14)}, // TIM14_CH1 +// {PB_1, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF1_TIM3)}, // TIM3_CH4 + {PB_4, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF1_TIM3)}, // TIM3_CH1 + {PB_5, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF1_TIM3)}, // TIM3_CH2 + {PB_6, PWM_16, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF2_TIM16)}, // TIM16_CH1N + {PB_7, PWM_17, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF2_TIM17)}, // TIM17_CH1N + {PB_8, PWM_16, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF2_TIM16)}, // TIM16_CH1 + {PB_9, PWM_17, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF2_TIM17)}, // TIM17_CH1 + {PB_14, PWM_15, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF1_TIM15)}, // TIM15_CH1 + {PB_15, PWM_15, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF1_TIM15)}, // TIM15_CH2 +// {PB_15, PWM_15, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF3_TIM15)}, // TIM15_CH1N + {PC_6, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF1_TIM3)}, // TIM3_CH1 + {PC_7, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF1_TIM3)}, // TIM3_CH2 + {PC_8, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF1_TIM3)}, // TIM3_CH3 + {PC_9, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF1_TIM3)}, // TIM3_CH4 + {NC, NC, 0} +}; + +//*** SERIAL *** + +const PinMap PinMap_UART_TX[] = { + {PA_2, UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART2)}, + {PA_9, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART1)}, + {PB_6, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_USART1)}, + {NC, NC, 0} +}; + +const PinMap PinMap_UART_RX[] = { + {PA_3, UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART2)}, + {PA_10, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART1)}, + {PA_15, UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART2)}, + {PB_7, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_USART1)}, + {NC, NC, 0} +}; + +//*** SPI *** + +const PinMap PinMap_SPI_MOSI[] = { + {PA_7, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF0_SPI1)}, + {PB_5, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF0_SPI1)}, + {PB_15, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF0_SPI2)}, + {NC, NC, 0} +}; + +const PinMap PinMap_SPI_MISO[] = { + {PA_6, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF0_SPI1)}, + {PB_4, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF0_SPI1)}, + {PB_14, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF0_SPI2)}, + {NC, NC, 0} +}; + +const PinMap PinMap_SPI_SCLK[] = { + {PA_5, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF0_SPI1)}, + {PB_3, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF0_SPI1)}, + {PB_13, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLDOWN, GPIO_AF0_SPI2)}, + {NC, NC, 0} +}; + +const PinMap PinMap_SPI_SSEL[] = { + {PA_4, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF0_SPI1)}, + {PA_15, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF0_SPI1)}, + {PB_12, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF0_SPI2)}, + {NC, NC, 0} +};
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/hal/TARGET_STM/TARGET_STM32F0/TARGET_DISCO_F051R8/PinNames.h Mon Feb 09 09:30:07 2015 +0000 @@ -0,0 +1,241 @@ +/* mbed Microcontroller Library + ******************************************************************************* + * Copyright (c) 2014, STMicroelectronics + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ******************************************************************************* + */ +#ifndef MBED_PINNAMES_H +#define MBED_PINNAMES_H + +#include "cmsis.h" + +#ifdef __cplusplus +extern "C" { +#endif + +// See stm32f0xx_hal_gpio.h and stm32f0xx_hal_gpio_ex.h for values of MODE, PUPD and AFNUM +#define STM_PIN_DATA(MODE, PUPD, AFNUM) ((int)(((AFNUM) << 7) | ((PUPD) << 4) | ((MODE) << 0))) +#define STM_PIN_MODE(X) (((X) >> 0) & 0x0F) +#define STM_PIN_PUPD(X) (((X) >> 4) & 0x07) +#define STM_PIN_AFNUM(X) (((X) >> 7) & 0x0F) +#define STM_MODE_INPUT (0) +#define STM_MODE_OUTPUT_PP (1) +#define STM_MODE_OUTPUT_OD (2) +#define STM_MODE_AF_PP (3) +#define STM_MODE_AF_OD (4) +#define STM_MODE_ANALOG (5) +#define STM_MODE_IT_RISING (6) +#define STM_MODE_IT_FALLING (7) +#define STM_MODE_IT_RISING_FALLING (8) +#define STM_MODE_EVT_RISING (9) +#define STM_MODE_EVT_FALLING (10) +#define STM_MODE_EVT_RISING_FALLING (11) +#define STM_MODE_IT_EVT_RESET (12) + +// High nibble = port number (0=A, 1=B, 2=C, 3=D, 4=E, 5=F, 6=G, 7=H) +// Low nibble = pin number +#define STM_PORT(X) (((uint32_t)(X) >> 4) & 0xF) +#define STM_PIN(X) ((uint32_t)(X) & 0xF) + +typedef enum { + PIN_INPUT, + PIN_OUTPUT +} PinDirection; + +typedef enum { + PA_0 = 0x00, + PA_1 = 0x01, + PA_2 = 0x02, + PA_3 = 0x03, + PA_4 = 0x04, + PA_5 = 0x05, + PA_6 = 0x06, + PA_7 = 0x07, + PA_8 = 0x08, + PA_9 = 0x09, + PA_10 = 0x0A, + PA_11 = 0x0B, + PA_12 = 0x0C, + PA_13 = 0x0D, + PA_14 = 0x0E, + PA_15 = 0x0F, + + PB_0 = 0x10, + PB_1 = 0x11, + PB_2 = 0x12, + PB_3 = 0x13, + PB_4 = 0x14, + PB_5 = 0x15, + PB_6 = 0x16, + PB_7 = 0x17, + PB_8 = 0x18, + PB_9 = 0x19, + PB_10 = 0x1A, + PB_11 = 0x1B, + PB_12 = 0x1C, + PB_13 = 0x1D, + PB_14 = 0x1E, + PB_15 = 0x1F, + + PC_0 = 0x20, + PC_1 = 0x21, + PC_2 = 0x22, + PC_3 = 0x23, + PC_4 = 0x24, + PC_5 = 0x25, + PC_6 = 0x26, + PC_7 = 0x27, + PC_8 = 0x28, + PC_9 = 0x29, + PC_10 = 0x2A, + PC_11 = 0x2B, + PC_12 = 0x2C, + PC_13 = 0x2D, + PC_14 = 0x2E, + PC_15 = 0x2F, + + PD_2 = 0x32, + + PF_0 = 0x50, + PF_1 = 0x51, + PF_4 = 0x54, + PF_5 = 0x55, + PF_6 = 0x56, + PF_7 = 0x57, + + + // Arduino connector namings + A0 = PC_0, + A1 = PC_1, + A2 = PC_2, + A3 = PC_3, + A4 = PC_4, + A5 = PC_5, + D0 = PA_3, + D1 = PA_2, + D2 = PB_12, + D3 = PB_11, + D4 = PA_7, + D5 = PB_9, + D6 = PB_8, + D7 = PA_6, + D8 = PA_5, + D9 = PA_4, + D10 = PA_11, + D11 = PB_5, + D12 = PB_4, + D13 = PB_3, +// D14 = PB_9, +// D15 = PB_8, + + // STM32F0-Discovery(STM32F051R8) connector namings + PA0 = PA_0, + PA1 = PA_1, + PA2 = PA_2, + PA3 = PA_3, + PA4 = PA_4, + PA5 = PA_5, + PA6 = PA_6, + PA7 = PA_7, + PA8 = PA_8, + PA9 = PA_9, + PA10 = PA_10, + PA11 = PA_11, + PA12 = PA_12, + PA13 = PA_13, + PA14 = PA_14, + PA15 = PA_15, + + PC0 = PC_0, + PC1 = PC_1, + PC2 = PC_2, + PC3 = PC_3, + PC4 = PC_4, + PC5 = PC_5, + PC6 = PC_6, + PC7 = PC_7, + PC8 = PC_8, + PC9 = PC_9, + PC10 = PC_10, + PC11 = PC_13, + PC12 = PC_12, + PC13 = PC_13, + PC14 = PC_14, + PC15 = PC_15, + + PD2 = PD_2, + + PB0 = PB_0, + PB1 = PB_1, + PB2 = PB_2, + PB3 = PB_3, + PB4 = PB_4, + PB5 = PB_5, + PB6 = PB_6, + PB7 = PB_7, + PB8 = PB_8, + PB9 = PB_9, + PB10 = PB_10, + PB11 = PB_11, + PB12 = PB_12, + PB13 = PB_13, + PB14 = PB_14, + PB15 = PB_15, + // Generic signals namings + LED1 = PC_9, + LED2 = PC_8, + LED3 = PC_9, + LED4 = PC_8, + USER_BUTTON = PA_0, + SERIAL_TX = PA_2, + SERIAL_RX = PA_3, + USBTX = PA_2, + USBRX = PA_3, + I2C_SCL = PB_8, + I2C_SDA = PB_9, + SPI_MOSI = PA_7, + SPI_MISO = PA_6, + SPI_SCK = PA_5, + SPI_CS = PB_6, + PWM_OUT = PB_3, + + // Not connected + NC = (int)0xFFFFFFFF +} PinName; + +typedef enum { + PullNone = 0, + PullUp = 1, + PullDown = 2, + OpenDrain = 3, + PullDefault = PullNone +} PinMode; + +#ifdef __cplusplus +} +#endif + +#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/hal/TARGET_STM/TARGET_STM32F0/TARGET_DISCO_F051R8/PortNames.h Mon Feb 09 09:30:07 2015 +0000 @@ -0,0 +1,48 @@ +/* mbed Microcontroller Library + ******************************************************************************* + * Copyright (c) 2014, STMicroelectronics + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ******************************************************************************* + */ +#ifndef MBED_PORTNAMES_H +#define MBED_PORTNAMES_H + +#ifdef __cplusplus +extern "C" { +#endif + +typedef enum { + PortA = 0, + PortB = 1, + PortC = 2, + PortD = 3, + PortF = 5 +} PortName; + +#ifdef __cplusplus +} +#endif +#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/hal/TARGET_STM/TARGET_STM32F0/TARGET_DISCO_F051R8/device.h Mon Feb 09 09:30:07 2015 +0000 @@ -0,0 +1,70 @@ +/* mbed Microcontroller Library + ******************************************************************************* + * Copyright (c) 2014, STMicroelectronics + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ******************************************************************************* + */ +#ifndef MBED_DEVICE_H +#define MBED_DEVICE_H + +#define DEVICE_PORTIN 1 +#define DEVICE_PORTOUT 1 +#define DEVICE_PORTINOUT 1 + +#define DEVICE_INTERRUPTIN 1 + +#define DEVICE_ANALOGIN 1 +#define DEVICE_ANALOGOUT 0 // Not present on this device + +#define DEVICE_SERIAL 1 + +#define DEVICE_I2C 1 +#define DEVICE_I2CSLAVE 1 + +#define DEVICE_SPI 1 +#define DEVICE_SPISLAVE 1 + +#define DEVICE_RTC 1 + +#define DEVICE_PWMOUT 1 + +#define DEVICE_SLEEP 1 + +//======================================= + +#define DEVICE_SEMIHOST 0 +#define DEVICE_LOCALFILESYSTEM 0 +#define DEVICE_ID_LENGTH 24 + +#define DEVICE_DEBUG_AWARENESS 0 + +#define DEVICE_STDIO_MESSAGES 1 + +//#define DEVICE_ERROR_RED 0 + +#include "objects.h" + +#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/hal/TARGET_STM/TARGET_STM32F0/TARGET_DISCO_F051R8/objects.h Mon Feb 09 09:30:07 2015 +0000 @@ -0,0 +1,109 @@ +/* mbed Microcontroller Library + ******************************************************************************* + * Copyright (c) 2014, STMicroelectronics + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ******************************************************************************* + */ +#ifndef MBED_OBJECTS_H +#define MBED_OBJECTS_H + +#include "cmsis.h" +#include "PortNames.h" +#include "PeripheralNames.h" +#include "PinNames.h" + +#ifdef __cplusplus +extern "C" { +#endif + +struct gpio_irq_s { + IRQn_Type irq_n; + uint32_t irq_index; + uint32_t event; + PinName pin; +}; + +struct port_s { + PortName port; + uint32_t mask; + PinDirection direction; + __IO uint32_t *reg_in; + __IO uint32_t *reg_out; +}; + +struct analogin_s { + ADCName adc; + PinName pin; +}; + +struct dac_s { + DACName dac; + PinName channel; +}; + +struct serial_s { + UARTName uart; + int index; // Used by irq + uint32_t baudrate; + uint32_t databits; + uint32_t stopbits; + uint32_t parity; + PinName pin_tx; + PinName pin_rx; +}; + +struct spi_s { + SPIName spi; + uint32_t bits; + uint32_t cpol; + uint32_t cpha; + uint32_t mode; + uint32_t nss; + uint32_t br_presc; + PinName pin_miso; + PinName pin_mosi; + PinName pin_sclk; + PinName pin_ssel; +}; + +struct i2c_s { + I2CName i2c; +}; + +struct pwmout_s { + PWMName pwm; + PinName pin; + uint32_t period; + uint32_t pulse; +}; + +#include "gpio_object.h" + +#ifdef __cplusplus +} +#endif + +#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/hal/TARGET_STM/TARGET_STM32F0/TARGET_NUCLEO_F030R8/PeripheralNames.h Mon Feb 09 09:30:07 2015 +0000 @@ -0,0 +1,76 @@ +/* mbed Microcontroller Library + ******************************************************************************* + * Copyright (c) 2014, STMicroelectronics + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ******************************************************************************* + */ +#ifndef MBED_PERIPHERALNAMES_H +#define MBED_PERIPHERALNAMES_H + +#include "cmsis.h" + +#ifdef __cplusplus +extern "C" { +#endif + +typedef enum { + ADC_1 = (int)ADC1_BASE, + ADC_2 = (int)ADC_BASE +} ADCName; + +typedef enum { + UART_1 = (int)USART1_BASE, + UART_2 = (int)USART2_BASE +} UARTName; + +#define STDIO_UART_TX PA_2 +#define STDIO_UART_RX PA_3 +#define STDIO_UART UART_2 + +typedef enum { + SPI_1 = (int)SPI1_BASE, + SPI_2 = (int)SPI2_BASE +} SPIName; + +typedef enum { + I2C_1 = (int)I2C1_BASE, + I2C_2 = (int)I2C2_BASE +} I2CName; + +typedef enum { + PWM_1 = (int)TIM1_BASE, + PWM_3 = (int)TIM3_BASE, + PWM_14 = (int)TIM14_BASE, + PWM_15 = (int)TIM15_BASE, + PWM_16 = (int)TIM16_BASE, + PWM_17 = (int)TIM17_BASE +} PWMName; + +#ifdef __cplusplus +} +#endif + +#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/hal/TARGET_STM/TARGET_STM32F0/TARGET_NUCLEO_F030R8/PeripheralPins.c Mon Feb 09 09:30:07 2015 +0000 @@ -0,0 +1,151 @@ +/* mbed Microcontroller Library + ******************************************************************************* + * Copyright (c) 2014, STMicroelectronics + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ******************************************************************************* + */ + +#include "PeripheralPins.h" + +// ===== +// Note: Commented lines are alternative possibilities which are not used per default. +// If you change them, you will have also to modify the corresponding xxx_api.c file +// for pwmout, analogin, analogout, ... +// ===== + +//*** ADC *** + +const PinMap PinMap_ADC[] = { + {PA_0, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN0 + {PA_1, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN1 + {PA_2, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN2 + {PA_3, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN3 + {PA_4, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN4 + {PA_5, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN5 + {PA_6, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN6 + {PA_7, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN7 + {PB_0, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN8 + {PB_1, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN9 + {PC_0, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN10 + {PC_1, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN11 + {PC_2, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN12 + {PC_3, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN13 + {PC_4, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN14 + {PC_5, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN15 + {NC, NC, 0} +}; + +//*** I2C *** + +const PinMap PinMap_I2C_SDA[] = { + {PB_7, I2C_1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C1)}, + {PB_9, I2C_1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C1)}, + {PB_11, I2C_2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C2)}, + {NC, NC, 0} +}; + +const PinMap PinMap_I2C_SCL[] = { + {PB_6, I2C_1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C1)}, + {PB_8, I2C_1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C1)}, + {PB_10, I2C_2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C2)}, + {NC, NC, 0} +}; + +//*** PWM *** + +// TIM1 cannot be used because already used by the us_ticker +const PinMap PinMap_PWM[] = { + {PA_4, PWM_14, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF4_TIM14)}, // TIM14_CH1 + {PA_6, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF1_TIM3)}, // TIM3_CH1 +// {PA_6, PWM_16, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF5_TIM16)}, // TIM16_CH1 + {PA_7, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF1_TIM3)}, // TIM3_CH2 +// {PA_7, PWM_14, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF4_TIM14)}, // TIM14_CH1 +// {PA_7, PWM_17, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF5_TIM17)}, // TIM17_CH1 + {PB_0, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF1_TIM3)}, // TIM3_CH3 + {PB_1, PWM_14, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF0_TIM14)}, // TIM14_CH1 +// {PB_1, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF1_TIM3)}, // TIM3_CH4 + {PB_4, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF1_TIM3)}, // TIM3_CH1 + {PB_5, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF1_TIM3)}, // TIM3_CH2 + {PB_6, PWM_16, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF2_TIM16)}, // TIM16_CH1N + {PB_7, PWM_17, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF2_TIM17)}, // TIM17_CH1N + {PB_8, PWM_16, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF2_TIM16)}, // TIM16_CH1 + {PB_9, PWM_17, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF2_TIM17)}, // TIM17_CH1 + {PB_14, PWM_15, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF1_TIM15)}, // TIM15_CH1 + {PB_15, PWM_15, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF1_TIM15)}, // TIM15_CH2 +// {PB_15, PWM_15, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF3_TIM15)}, // TIM15_CH1N + {PC_6, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF1_TIM3)}, // TIM3_CH1 + {PC_7, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF1_TIM3)}, // TIM3_CH2 + {PC_8, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF1_TIM3)}, // TIM3_CH3 + {PC_9, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF1_TIM3)}, // TIM3_CH4 + {NC, NC, 0} +}; + +//*** SERIAL *** + +const PinMap PinMap_UART_TX[] = { + {PA_2, UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART2)}, + {PA_9, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART1)}, + {PB_6, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_USART1)}, + {NC, NC, 0} +}; + +const PinMap PinMap_UART_RX[] = { + {PA_3, UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART2)}, + {PA_10, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART1)}, + {PA_15, UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART2)}, + {PB_7, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_USART1)}, + {NC, NC, 0} +}; + +//*** SPI *** + +const PinMap PinMap_SPI_MOSI[] = { + {PA_7, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF0_SPI1)}, + {PB_5, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF0_SPI1)}, + {PB_15, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF0_SPI2)}, + {NC, NC, 0} +}; + +const PinMap PinMap_SPI_MISO[] = { + {PA_6, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF0_SPI1)}, + {PB_4, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF0_SPI1)}, + {PB_14, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF0_SPI2)}, + {NC, NC, 0} +}; + +const PinMap PinMap_SPI_SCLK[] = { + {PA_5, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF0_SPI1)}, + {PB_3, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF0_SPI1)}, + {PB_13, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLDOWN, GPIO_AF0_SPI2)}, + {NC, NC, 0} +}; + +const PinMap PinMap_SPI_SSEL[] = { + {PA_4, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF0_SPI1)}, + {PA_15, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF0_SPI1)}, + {PB_12, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF0_SPI2)}, + {NC, NC, 0} +};
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/hal/TARGET_STM/TARGET_STM32F0/TARGET_NUCLEO_F030R8/PinNames.h Mon Feb 09 09:30:07 2015 +0000 @@ -0,0 +1,188 @@ +/* mbed Microcontroller Library + ******************************************************************************* + * Copyright (c) 2014, STMicroelectronics + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ******************************************************************************* + */ +#ifndef MBED_PINNAMES_H +#define MBED_PINNAMES_H + +#include "cmsis.h" + +#ifdef __cplusplus +extern "C" { +#endif + +// See stm32f0xx_hal_gpio.h and stm32f0xx_hal_gpio_ex.h for values of MODE, PUPD and AFNUM +#define STM_PIN_DATA(MODE, PUPD, AFNUM) ((int)(((AFNUM) << 7) | ((PUPD) << 4) | ((MODE) << 0))) +#define STM_PIN_MODE(X) (((X) >> 0) & 0x0F) +#define STM_PIN_PUPD(X) (((X) >> 4) & 0x07) +#define STM_PIN_AFNUM(X) (((X) >> 7) & 0x0F) +#define STM_MODE_INPUT (0) +#define STM_MODE_OUTPUT_PP (1) +#define STM_MODE_OUTPUT_OD (2) +#define STM_MODE_AF_PP (3) +#define STM_MODE_AF_OD (4) +#define STM_MODE_ANALOG (5) +#define STM_MODE_IT_RISING (6) +#define STM_MODE_IT_FALLING (7) +#define STM_MODE_IT_RISING_FALLING (8) +#define STM_MODE_EVT_RISING (9) +#define STM_MODE_EVT_FALLING (10) +#define STM_MODE_EVT_RISING_FALLING (11) +#define STM_MODE_IT_EVT_RESET (12) + +// High nibble = port number (0=A, 1=B, 2=C, 3=D, 4=E, 5=F, 6=G, 7=H) +// Low nibble = pin number +#define STM_PORT(X) (((uint32_t)(X) >> 4) & 0xF) +#define STM_PIN(X) ((uint32_t)(X) & 0xF) + +typedef enum { + PIN_INPUT, + PIN_OUTPUT +} PinDirection; + +typedef enum { + PA_0 = 0x00, + PA_1 = 0x01, + PA_2 = 0x02, + PA_3 = 0x03, + PA_4 = 0x04, + PA_5 = 0x05, + PA_6 = 0x06, + PA_7 = 0x07, + PA_8 = 0x08, + PA_9 = 0x09, + PA_10 = 0x0A, + PA_11 = 0x0B, + PA_12 = 0x0C, + PA_13 = 0x0D, + PA_14 = 0x0E, + PA_15 = 0x0F, + + PB_0 = 0x10, + PB_1 = 0x11, + PB_2 = 0x12, + PB_3 = 0x13, + PB_4 = 0x14, + PB_5 = 0x15, + PB_6 = 0x16, + PB_7 = 0x17, + PB_8 = 0x18, + PB_9 = 0x19, + PB_10 = 0x1A, + PB_11 = 0x1B, + PB_12 = 0x1C, + PB_13 = 0x1D, + PB_14 = 0x1E, + PB_15 = 0x1F, + + PC_0 = 0x20, + PC_1 = 0x21, + PC_2 = 0x22, + PC_3 = 0x23, + PC_4 = 0x24, + PC_5 = 0x25, + PC_6 = 0x26, + PC_7 = 0x27, + PC_8 = 0x28, + PC_9 = 0x29, + PC_10 = 0x2A, + PC_11 = 0x2B, + PC_12 = 0x2C, + PC_13 = 0x2D, + PC_14 = 0x2E, + PC_15 = 0x2F, + + PD_2 = 0x32, + + PF_0 = 0x50, + PF_1 = 0x51, + PF_4 = 0x54, + PF_5 = 0x55, + PF_6 = 0x56, + PF_7 = 0x57, + + + // Arduino connector namings + A0 = PA_0, + A1 = PA_1, + A2 = PA_4, + A3 = PB_0, + A4 = PC_1, + A5 = PC_0, + D0 = PA_3, + D1 = PA_2, + D2 = PA_10, + D3 = PB_3, + D4 = PB_5, + D5 = PB_4, + D6 = PB_10, + D7 = PA_8, + D8 = PA_9, + D9 = PC_7, + D10 = PB_6, + D11 = PA_7, + D12 = PA_6, + D13 = PA_5, + D14 = PB_9, + D15 = PB_8, + + // Generic signals namings + LED1 = PA_5, + LED2 = PA_5, + LED3 = PA_5, + LED4 = PA_5, + USER_BUTTON = PC_13, + SERIAL_TX = PA_2, + SERIAL_RX = PA_3, + USBTX = PA_2, + USBRX = PA_3, + I2C_SCL = PB_8, + I2C_SDA = PB_9, + SPI_MOSI = PA_7, + SPI_MISO = PA_6, + SPI_SCK = PA_5, + SPI_CS = PB_6, + PWM_OUT = PC_7, + + // Not connected + NC = (int)0xFFFFFFFF +} PinName; + +typedef enum { + PullNone = 0, + PullUp = 1, + PullDown = 2, + OpenDrain = 3, + PullDefault = PullNone +} PinMode; + +#ifdef __cplusplus +} +#endif + +#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/hal/TARGET_STM/TARGET_STM32F0/TARGET_NUCLEO_F030R8/PortNames.h Mon Feb 09 09:30:07 2015 +0000 @@ -0,0 +1,48 @@ +/* mbed Microcontroller Library + ******************************************************************************* + * Copyright (c) 2014, STMicroelectronics + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ******************************************************************************* + */ +#ifndef MBED_PORTNAMES_H +#define MBED_PORTNAMES_H + +#ifdef __cplusplus +extern "C" { +#endif + +typedef enum { + PortA = 0, + PortB = 1, + PortC = 2, + PortD = 3, + PortF = 5 +} PortName; + +#ifdef __cplusplus +} +#endif +#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/hal/TARGET_STM/TARGET_STM32F0/TARGET_NUCLEO_F030R8/device.h Mon Feb 09 09:30:07 2015 +0000 @@ -0,0 +1,70 @@ +/* mbed Microcontroller Library + ******************************************************************************* + * Copyright (c) 2014, STMicroelectronics + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ******************************************************************************* + */ +#ifndef MBED_DEVICE_H +#define MBED_DEVICE_H + +#define DEVICE_PORTIN 1 +#define DEVICE_PORTOUT 1 +#define DEVICE_PORTINOUT 1 + +#define DEVICE_INTERRUPTIN 1 + +#define DEVICE_ANALOGIN 1 +#define DEVICE_ANALOGOUT 0 // Not present on this device + +#define DEVICE_SERIAL 1 + +#define DEVICE_I2C 1 +#define DEVICE_I2CSLAVE 1 + +#define DEVICE_SPI 1 +#define DEVICE_SPISLAVE 1 + +#define DEVICE_RTC 1 + +#define DEVICE_PWMOUT 1 + +#define DEVICE_SLEEP 1 + +//======================================= + +#define DEVICE_SEMIHOST 0 +#define DEVICE_LOCALFILESYSTEM 0 +#define DEVICE_ID_LENGTH 24 + +#define DEVICE_DEBUG_AWARENESS 0 + +#define DEVICE_STDIO_MESSAGES 1 + +#define DEVICE_ERROR_RED 0 + +#include "objects.h" + +#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/hal/TARGET_STM/TARGET_STM32F0/TARGET_NUCLEO_F030R8/objects.h Mon Feb 09 09:30:07 2015 +0000 @@ -0,0 +1,104 @@ +/* mbed Microcontroller Library + ******************************************************************************* + * Copyright (c) 2014, STMicroelectronics + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ******************************************************************************* + */ +#ifndef MBED_OBJECTS_H +#define MBED_OBJECTS_H + +#include "cmsis.h" +#include "PortNames.h" +#include "PeripheralNames.h" +#include "PinNames.h" + +#ifdef __cplusplus +extern "C" { +#endif + +struct gpio_irq_s { + IRQn_Type irq_n; + uint32_t irq_index; + uint32_t event; + PinName pin; +}; + +struct port_s { + PortName port; + uint32_t mask; + PinDirection direction; + __IO uint32_t *reg_in; + __IO uint32_t *reg_out; +}; + +struct analogin_s { + ADCName adc; + PinName pin; +}; + +struct serial_s { + UARTName uart; + int index; // Used by irq + uint32_t baudrate; + uint32_t databits; + uint32_t stopbits; + uint32_t parity; + PinName pin_tx; + PinName pin_rx; +}; + +struct spi_s { + SPIName spi; + uint32_t bits; + uint32_t cpol; + uint32_t cpha; + uint32_t mode; + uint32_t nss; + uint32_t br_presc; + PinName pin_miso; + PinName pin_mosi; + PinName pin_sclk; + PinName pin_ssel; +}; + +struct i2c_s { + I2CName i2c; +}; + +struct pwmout_s { + PWMName pwm; + PinName pin; + uint32_t period; + uint32_t pulse; +}; + +#include "gpio_object.h" + +#ifdef __cplusplus +} +#endif + +#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/hal/TARGET_STM/TARGET_STM32F0/TARGET_NUCLEO_F070RB/PeripheralNames.h Mon Feb 09 09:30:07 2015 +0000 @@ -0,0 +1,77 @@ +/* mbed Microcontroller Library + ******************************************************************************* + * Copyright (c) 2014, STMicroelectronics + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ******************************************************************************* + */ +#ifndef MBED_PERIPHERALNAMES_H +#define MBED_PERIPHERALNAMES_H + +#include "cmsis.h" + +#ifdef __cplusplus +extern "C" { +#endif + +typedef enum { + ADC_1 = (int)ADC1_BASE +} ADCName; + +typedef enum { + UART_1 = (int)USART1_BASE, + UART_2 = (int)USART2_BASE, + UART_3 = (int)USART3_BASE, + UART_4 = (int)USART4_BASE +} UARTName; + +#define STDIO_UART_TX PA_2 +#define STDIO_UART_RX PA_3 +#define STDIO_UART UART_2 + +typedef enum { + SPI_1 = (int)SPI1_BASE, + SPI_2 = (int)SPI2_BASE +} SPIName; + +typedef enum { + I2C_1 = (int)I2C1_BASE, + I2C_2 = (int)I2C2_BASE +} I2CName; + +typedef enum { + PWM_1 = (int)TIM1_BASE, + PWM_3 = (int)TIM3_BASE, + PWM_14 = (int)TIM14_BASE, + PWM_15 = (int)TIM15_BASE, + PWM_16 = (int)TIM16_BASE, + PWM_17 = (int)TIM17_BASE +} PWMName; + +#ifdef __cplusplus +} +#endif + +#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/hal/TARGET_STM/TARGET_STM32F0/TARGET_NUCLEO_F070RB/PeripheralPins.c Mon Feb 09 09:30:07 2015 +0000 @@ -0,0 +1,184 @@ +/* mbed Microcontroller Library + ******************************************************************************* + * Copyright (c) 2014, STMicroelectronics + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ******************************************************************************* + */ + +#include "PeripheralPins.h" + +// ===== +// Note: Commented lines are alternative possibilities which are not used per default. +// If you change them, you will have also to modify the corresponding xxx_api.c file +// for pwmout, analogin, analogout, ... +// ===== + +//*** ADC *** + +const PinMap PinMap_ADC[] = { + {PA_0, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN0 + {PA_1, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN1 + {PA_2, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN2 + {PA_3, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN3 + {PA_4, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN4 + {PA_5, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN5 + {PA_6, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN6 + {PA_7, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN7 + {PB_0, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN8 + {PB_1, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN9 + {PC_0, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN10 + {PC_1, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN11 + {PC_2, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN12 + {PC_3, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN13 + {PC_4, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN14 + {PC_5, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN15 + {NC, NC, 0} +}; + +//*** I2C *** + +const PinMap PinMap_I2C_SDA[] = { + {PB_7, I2C_1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C1)}, + {PB_9, I2C_1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C1)}, + {PB_11, I2C_2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C2)}, + {PB_14, I2C_2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF5_I2C2)}, + {NC, NC, 0} +}; + +const PinMap PinMap_I2C_SCL[] = { + {PB_6, I2C_1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C1)}, + {PB_8, I2C_1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C1)}, + {PB_10, I2C_2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C2)}, + {PB_13, I2C_2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF5_I2C2)}, + {NC, NC, 0} +}; + +//*** PWM *** + +// TIM1 cannot be used because already used by the us_ticker +const PinMap PinMap_PWM[] = { + {PA_1, PWM_15, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_TIM15)}, // TIM15_CH1N + {PA_2, PWM_15, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_TIM15)}, // TIM15_CH1 + {PA_3, PWM_15, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_TIM15)}, // TIM15_CH2 + {PA_4, PWM_14, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_TIM14)}, // TIM14_CH1 +// {PA_6, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM3)}, // TIM3_CH1 + {PA_6, PWM_16, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_TIM16)}, // TIM16_CH1 +// {PA_7, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM3)}, // TIM3_CH2 +// {PA_7, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1)}, // TIM1_CH1N +// {PA_7, PWM_14, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_TIM14)}, // TIM14_CH1 + {PA_7, PWM_17, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_TIM17)}, // TIM17_CH1 +// {PA_8, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1)}, // TIM1_CH1 +// {PA_9, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1)}, // TIM1_CH2 +// {PA_10, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1)}, // TIM1_CH3 +// {PA_11, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1)}, // TIM1_CH4 + + {PB_0, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM3)}, // TIM3_CH3 +// {PB_0, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1)}, // TIM1_CH2N + {PB_1, PWM_14, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_TIM14)}, // TIM14_CH1 +// {PB_1, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM3)}, // TIM3_CH4 +// {PB_1, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1)}, // TIM1_CH3N + {PB_4, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM3)}, // TIM3_CH1 + {PB_5, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM3)}, // TIM3_CH2 + {PB_6, PWM_16, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM16)}, // TIM16_CH1N + {PB_7, PWM_17, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM17)}, // TIM17_CH1N + {PB_8, PWM_16, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM16)}, // TIM16_CH1 + {PB_9, PWM_17, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM17)}, // TIM17_CH1 +// {PB_13, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1)}, // TIM1_CH1N + {PB_14, PWM_15, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM15)}, // TIM15_CH1 +// {PB_14, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1)}, // TIM1_CH2N + {PB_15, PWM_15, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM15)}, // TIM15_CH2 +// {PB_15, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1)}, // TIM1_CH3N +// {PB_15, PWM_15, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF3_TIM15)}, // TIM15_CH1N + + {PC_6, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_TIM3)}, // TIM3_CH1 + {PC_7, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_TIM3)}, // TIM3_CH2 + {PC_8, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_TIM3)}, // TIM3_CH3 + {PC_9, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_TIM3)}, // TIM3_CH4 + + {NC, NC, 0} +}; + +//*** SERIAL *** + +const PinMap PinMap_UART_TX[] = { + {PA_0, UART_4, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART4)}, + {PA_2, UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART2)}, + {PA_9, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART1)}, + {PA_14, UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART2)}, // Warning: SWCLK is also on this pin + {PB_6, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_USART1)}, + {PB_10, UART_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART3)}, + {PC_4, UART_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART3)}, +// {PC_10, UART_4, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_USART4)}, + {PC_10, UART_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART3)}, + {NC, NC, 0} +}; + +const PinMap PinMap_UART_RX[] = { + {PA_1, UART_4, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART4)}, + {PA_3, UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART2)}, + {PA_10, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART1)}, + {PA_15, UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART2)}, + {PB_7, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_USART1)}, + {PB_11, UART_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART3)}, + {PC_5, UART_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART3)}, +// {PC_11, UART_4, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_USART4)}, + {PC_11, UART_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART3)}, + {NC, NC, 0} +}; + +//*** SPI *** + +const PinMap PinMap_SPI_MOSI[] = { + {PA_7, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)}, + {PB_5, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)}, + {PB_15, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI2)}, + {PC_3, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_SPI2)}, + {NC, NC, 0} +}; + +const PinMap PinMap_SPI_MISO[] = { + {PA_6, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)}, + {PB_4, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)}, + {PB_14, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI2)}, + {PC_2, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_SPI2)}, + {NC, NC, 0} +}; + +const PinMap PinMap_SPI_SCLK[] = { + {PA_5, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)}, + {PB_3, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)}, + {PB_10, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI2)}, + {PB_13, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI2)}, + {NC, NC, 0} +}; + +const PinMap PinMap_SPI_SSEL[] = { + {PA_4, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)}, + {PA_15, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)}, + {PB_9, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI2)}, + {PB_12, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI2)}, + {NC, NC, 0} +};
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/hal/TARGET_STM/TARGET_STM32F0/TARGET_NUCLEO_F070RB/PinNames.h Mon Feb 09 09:30:07 2015 +0000 @@ -0,0 +1,183 @@ +/* mbed Microcontroller Library + ******************************************************************************* + * Copyright (c) 2014, STMicroelectronics + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ******************************************************************************* + */ +#ifndef MBED_PINNAMES_H +#define MBED_PINNAMES_H + +#include "cmsis.h" + +#ifdef __cplusplus +extern "C" { +#endif + +// See stm32f0xx_hal_gpio.h and stm32f0xx_hal_gpio_ex.h for values of MODE, PUPD and AFNUM +#define STM_PIN_DATA(MODE, PUPD, AFNUM) ((int)(((AFNUM) << 7) | ((PUPD) << 4) | ((MODE) << 0))) +#define STM_PIN_MODE(X) (((X) >> 0) & 0x0F) +#define STM_PIN_PUPD(X) (((X) >> 4) & 0x07) +#define STM_PIN_AFNUM(X) (((X) >> 7) & 0x0F) +#define STM_MODE_INPUT (0) +#define STM_MODE_OUTPUT_PP (1) +#define STM_MODE_OUTPUT_OD (2) +#define STM_MODE_AF_PP (3) +#define STM_MODE_AF_OD (4) +#define STM_MODE_ANALOG (5) +#define STM_MODE_IT_RISING (6) +#define STM_MODE_IT_FALLING (7) +#define STM_MODE_IT_RISING_FALLING (8) +#define STM_MODE_EVT_RISING (9) +#define STM_MODE_EVT_FALLING (10) +#define STM_MODE_EVT_RISING_FALLING (11) +#define STM_MODE_IT_EVT_RESET (12) + +// High nibble = port number (0=A, 1=B, 2=C, 3=D, 4=E, 5=F, 6=G, 7=H) +// Low nibble = pin number +#define STM_PORT(X) (((uint32_t)(X) >> 4) & 0xF) +#define STM_PIN(X) ((uint32_t)(X) & 0xF) + +typedef enum { + PIN_INPUT, + PIN_OUTPUT +} PinDirection; + +typedef enum { + PA_0 = 0x00, + PA_1 = 0x01, + PA_2 = 0x02, + PA_3 = 0x03, + PA_4 = 0x04, + PA_5 = 0x05, + PA_6 = 0x06, + PA_7 = 0x07, + PA_8 = 0x08, + PA_9 = 0x09, + PA_10 = 0x0A, + PA_11 = 0x0B, + PA_12 = 0x0C, + PA_13 = 0x0D, + PA_14 = 0x0E, + PA_15 = 0x0F, + + PB_0 = 0x10, + PB_1 = 0x11, + PB_2 = 0x12, + PB_3 = 0x13, + PB_4 = 0x14, + PB_5 = 0x15, + PB_6 = 0x16, + PB_7 = 0x17, + PB_8 = 0x18, + PB_9 = 0x19, + PB_10 = 0x1A, + PB_11 = 0x1B, + PB_12 = 0x1C, + PB_13 = 0x1D, + PB_14 = 0x1E, + PB_15 = 0x1F, + + PC_0 = 0x20, + PC_1 = 0x21, + PC_2 = 0x22, + PC_3 = 0x23, + PC_4 = 0x24, + PC_5 = 0x25, + PC_6 = 0x26, + PC_7 = 0x27, + PC_8 = 0x28, + PC_9 = 0x29, + PC_10 = 0x2A, + PC_11 = 0x2B, + PC_12 = 0x2C, + PC_13 = 0x2D, + PC_14 = 0x2E, + PC_15 = 0x2F, + + PD_2 = 0x32, + + PF_0 = 0x50, + PF_1 = 0x51, + + // Arduino connector namings + A0 = PA_0, + A1 = PA_1, + A2 = PA_4, + A3 = PB_0, + A4 = PC_1, + A5 = PC_0, + D0 = PA_3, + D1 = PA_2, + D2 = PA_10, + D3 = PB_3, + D4 = PB_5, + D5 = PB_4, + D6 = PB_10, + D7 = PA_8, + D8 = PA_9, + D9 = PC_7, + D10 = PB_6, + D11 = PA_7, + D12 = PA_6, + D13 = PA_5, + D14 = PB_9, + D15 = PB_8, + + // Generic signals namings + LED1 = PA_5, + LED2 = PA_5, + LED3 = PA_5, + LED4 = PA_5, + USER_BUTTON = PC_13, + SERIAL_TX = PA_2, + SERIAL_RX = PA_3, + USBTX = PA_2, + USBRX = PA_3, + I2C_SCL = PB_8, + I2C_SDA = PB_9, + SPI_MOSI = PA_7, + SPI_MISO = PA_6, + SPI_SCK = PA_5, + SPI_CS = PB_6, + PWM_OUT = PB_3, + + // Not connected + NC = (int)0xFFFFFFFF +} PinName; + +typedef enum { + PullNone = 0, + PullUp = 1, + PullDown = 2, + OpenDrain = 3, + PullDefault = PullNone +} PinMode; + +#ifdef __cplusplus +} +#endif + +#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/hal/TARGET_STM/TARGET_STM32F0/TARGET_NUCLEO_F070RB/PortNames.h Mon Feb 09 09:30:07 2015 +0000 @@ -0,0 +1,48 @@ +/* mbed Microcontroller Library + ******************************************************************************* + * Copyright (c) 2014, STMicroelectronics + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ******************************************************************************* + */ +#ifndef MBED_PORTNAMES_H +#define MBED_PORTNAMES_H + +#ifdef __cplusplus +extern "C" { +#endif + +typedef enum { + PortA = 0, + PortB = 1, + PortC = 2, + PortD = 3, + PortF = 5 +} PortName; + +#ifdef __cplusplus +} +#endif +#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/hal/TARGET_STM/TARGET_STM32F0/TARGET_NUCLEO_F070RB/device.h Mon Feb 09 09:30:07 2015 +0000 @@ -0,0 +1,70 @@ +/* mbed Microcontroller Library + ******************************************************************************* + * Copyright (c) 2014, STMicroelectronics + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ******************************************************************************* + */ +#ifndef MBED_DEVICE_H +#define MBED_DEVICE_H + +#define DEVICE_PORTIN 1 +#define DEVICE_PORTOUT 1 +#define DEVICE_PORTINOUT 1 + +#define DEVICE_INTERRUPTIN 1 + +#define DEVICE_ANALOGIN 1 +#define DEVICE_ANALOGOUT 0 // Not present on this device + +#define DEVICE_SERIAL 1 + +#define DEVICE_I2C 1 +#define DEVICE_I2CSLAVE 1 + +#define DEVICE_SPI 1 +#define DEVICE_SPISLAVE 1 + +#define DEVICE_RTC 1 + +#define DEVICE_PWMOUT 1 + +#define DEVICE_SLEEP 1 + +//======================================= + +#define DEVICE_SEMIHOST 0 +#define DEVICE_LOCALFILESYSTEM 0 +#define DEVICE_ID_LENGTH 24 + +#define DEVICE_DEBUG_AWARENESS 0 + +#define DEVICE_STDIO_MESSAGES 1 + +#define DEVICE_ERROR_RED 0 + +#include "objects.h" + +#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/hal/TARGET_STM/TARGET_STM32F0/TARGET_NUCLEO_F070RB/objects.h Mon Feb 09 09:30:07 2015 +0000 @@ -0,0 +1,104 @@ +/* mbed Microcontroller Library + ******************************************************************************* + * Copyright (c) 2014, STMicroelectronics + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ******************************************************************************* + */ +#ifndef MBED_OBJECTS_H +#define MBED_OBJECTS_H + +#include "cmsis.h" +#include "PortNames.h" +#include "PeripheralNames.h" +#include "PinNames.h" + +#ifdef __cplusplus +extern "C" { +#endif + +struct gpio_irq_s { + IRQn_Type irq_n; + uint32_t irq_index; + uint32_t event; + PinName pin; +}; + +struct port_s { + PortName port; + uint32_t mask; + PinDirection direction; + __IO uint32_t *reg_in; + __IO uint32_t *reg_out; +}; + +struct analogin_s { + ADCName adc; + PinName pin; +}; + +struct serial_s { + UARTName uart; + int index; // Used by irq + uint32_t baudrate; + uint32_t databits; + uint32_t stopbits; + uint32_t parity; + PinName pin_tx; + PinName pin_rx; +}; + +struct spi_s { + SPIName spi; + uint32_t bits; + uint32_t cpol; + uint32_t cpha; + uint32_t mode; + uint32_t nss; + uint32_t br_presc; + PinName pin_miso; + PinName pin_mosi; + PinName pin_sclk; + PinName pin_ssel; +}; + +struct i2c_s { + I2CName i2c; +}; + +struct pwmout_s { + PWMName pwm; + PinName pin; + uint32_t period; + uint32_t pulse; +}; + +#include "gpio_object.h" + +#ifdef __cplusplus +} +#endif + +#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/hal/TARGET_STM/TARGET_STM32F0/TARGET_NUCLEO_F072RB/PeripheralNames.h Mon Feb 09 09:30:07 2015 +0000 @@ -0,0 +1,82 @@ +/* mbed Microcontroller Library + ******************************************************************************* + * Copyright (c) 2014, STMicroelectronics + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ******************************************************************************* + */ +#ifndef MBED_PERIPHERALNAMES_H +#define MBED_PERIPHERALNAMES_H + +#include "cmsis.h" + +#ifdef __cplusplus +extern "C" { +#endif + +typedef enum { + ADC_1 = (int)ADC1_BASE +} ADCName; + +typedef enum { + DAC_1 = (int)DAC_BASE +} DACName; + +typedef enum { + UART_1 = (int)USART1_BASE, + UART_2 = (int)USART2_BASE, + UART_3 = (int)USART3_BASE, + UART_4 = (int)USART4_BASE +} UARTName; + +#define STDIO_UART_TX PA_2 +#define STDIO_UART_RX PA_3 +#define STDIO_UART UART_2 + +typedef enum { + SPI_1 = (int)SPI1_BASE, + SPI_2 = (int)SPI2_BASE +} SPIName; + +typedef enum { + I2C_1 = (int)I2C1_BASE, + I2C_2 = (int)I2C2_BASE +} I2CName; + +typedef enum { + PWM_1 = (int)TIM1_BASE, + PWM_2 = (int)TIM2_BASE, + PWM_3 = (int)TIM3_BASE, + PWM_14 = (int)TIM14_BASE, + PWM_15 = (int)TIM15_BASE, + PWM_16 = (int)TIM16_BASE, + PWM_17 = (int)TIM17_BASE +} PWMName; + +#ifdef __cplusplus +} +#endif + +#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/hal/TARGET_STM/TARGET_STM32F0/TARGET_NUCLEO_F072RB/PeripheralPins.c Mon Feb 09 09:30:07 2015 +0000 @@ -0,0 +1,198 @@ +/* mbed Microcontroller Library + ******************************************************************************* + * Copyright (c) 2014, STMicroelectronics + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ******************************************************************************* + */ + +#include "PeripheralPins.h" + +// ===== +// Note: Commented lines are alternative possibilities which are not used per default. +// If you change them, you will have also to modify the corresponding xxx_api.c file +// for pwmout, analogin, analogout, ... +// ===== + +//*** ADC *** + +const PinMap PinMap_ADC[] = { + {PA_0, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN0 + {PA_1, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN1 + {PA_2, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN2 + {PA_3, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN3 + {PA_4, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN4 + {PA_5, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN5 + {PA_6, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN6 + {PA_7, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN7 + {PB_0, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN8 + {PB_1, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN9 + {PC_0, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN10 + {PC_1, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN11 + {PC_2, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN12 + {PC_3, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN13 + {PC_4, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN14 + {PC_5, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN15 + {NC, NC, 0} +}; + +//*** DAC *** + +const PinMap PinMap_DAC[] = { + {PA_4, DAC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // DAC_OUT1 + {PA_5, DAC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // DAC_OUT2 (Warning: LED1 is also on this pin) + {NC, NC, 0} +}; + +//*** I2C *** + +const PinMap PinMap_I2C_SDA[] = { + {PB_7, I2C_1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C1)}, + {PB_9, I2C_1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C1)}, + {PB_11, I2C_2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C2)}, + {PB_14, I2C_2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF5_I2C2)}, + {NC, NC, 0} +}; + +const PinMap PinMap_I2C_SCL[] = { + {PB_6, I2C_1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C1)}, + {PB_8, I2C_1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C1)}, + {PB_10, I2C_2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C2)}, + {PB_13, I2C_2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF5_I2C2)}, + {NC, NC, 0} +}; + +//*** PWM *** + +// TIM2 cannot be used because already used by the us_ticker +const PinMap PinMap_PWM[] = { +// {PA_1, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2)}, // TIM2_CH2 + {PA_1, PWM_15, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_TIM15)}, // TIM15_CH1N + {PA_2, PWM_15, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_TIM15)}, // TIM15_CH1 +// {PA_2, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2)}, // TIM2_CH3 + {PA_3, PWM_15, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_TIM15)}, // TIM15_CH2 +// {PA_3, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2)}, // TIM2_CH4 + {PA_4, PWM_14, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_TIM14)}, // TIM14_CH1 +// {PA_6, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM3)}, // TIM3_CH1 + {PA_6, PWM_16, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_TIM16)}, // TIM16_CH1 +// {PA_7, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM3)}, // TIM3_CH2 +// {PA_7, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1)}, // TIM1_CH1N +// {PA_7, PWM_14, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_TIM14)}, // TIM14_CH1 + {PA_7, PWM_17, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_TIM17)}, // TIM17_CH1 + {PA_8, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1)}, // TIM1_CH1 + {PA_9, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1)}, // TIM1_CH2 + {PA_10, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1)}, // TIM1_CH3 + {PA_11, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1)}, // TIM1_CH4 + + {PB_0, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM3)}, // TIM3_CH3 +// {PB_0, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1)}, // TIM1_CH2N + {PB_1, PWM_14, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_TIM14)}, // TIM14_CH1 +// {PB_1, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM3)}, // TIM3_CH4 +// {PB_1, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1)}, // TIM1_CH3N +// {PB_3, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2)}, // TIM2_CH2 + {PB_4, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM3)}, // TIM3_CH1 + {PB_5, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM3)}, // TIM3_CH2 + {PB_6, PWM_16, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM16)}, // TIM16_CH1N + {PB_7, PWM_17, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM17)}, // TIM17_CH1N + {PB_8, PWM_16, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM16)}, // TIM16_CH1 + {PB_9, PWM_17, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM17)}, // TIM17_CH1 +// {PB_10, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2)}, // TIM2_CH3 +// {PB_11, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2)}, // TIM2_CH4 + {PB_13, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1)}, // TIM1_CH1N + {PB_14, PWM_15, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM15)}, // TIM15_CH1 +// {PB_14, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1)}, // TIM1_CH2N + {PB_15, PWM_15, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM15)}, // TIM15_CH2 +// {PB_15, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1)}, // TIM1_CH3N +// {PB_15, PWM_15, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF3_TIM15)}, // TIM15_CH1N + + {PC_6, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_TIM3)}, // TIM3_CH1 + {PC_7, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_TIM3)}, // TIM3_CH2 + {PC_8, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_TIM3)}, // TIM3_CH3 + {PC_9, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_TIM3)}, // TIM3_CH4 + + {NC, NC, 0} +}; + +//*** SERIAL *** + +const PinMap PinMap_UART_TX[] = { + {PA_0, UART_4, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART4)}, + {PA_2, UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART2)}, + {PA_9, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART1)}, + {PA_14, UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART2)}, // Warning: SWCLK is also on this pin + {PB_6, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_USART1)}, + {PB_10, UART_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART3)}, + {PC_4, UART_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART3)}, + {PC_10, UART_4, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_USART4)}, +// {PC_10, UART_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART3)}, + {NC, NC, 0} +}; + +const PinMap PinMap_UART_RX[] = { + {PA_1, UART_4, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART4)}, + {PA_3, UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART2)}, + {PA_10, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART1)}, + {PA_15, UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART2)}, + {PB_7, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_USART1)}, + {PB_11, UART_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART3)}, + {PC_5, UART_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART3)}, + {PC_11, UART_4, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_USART4)}, +// {PC_11, UART_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART3)}, + {NC, NC, 0} +}; + +//*** SPI *** + +const PinMap PinMap_SPI_MOSI[] = { + {PA_7, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)}, + {PB_5, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)}, + {PB_15, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI2)}, + {PC_3, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_SPI2)}, + {NC, NC, 0} +}; + +const PinMap PinMap_SPI_MISO[] = { + {PA_6, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)}, + {PB_4, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)}, + {PB_14, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI2)}, + {PC_2, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_SPI2)}, + {NC, NC, 0} +}; + +const PinMap PinMap_SPI_SCLK[] = { + {PA_5, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)}, + {PB_3, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)}, + {PB_10, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI2)}, + {PB_13, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI2)}, + {NC, NC, 0} +}; + +const PinMap PinMap_SPI_SSEL[] = { + {PA_4, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)}, + {PA_15, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)}, + {PB_9, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI2)}, + {PB_12, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI2)}, + {NC, NC, 0} +};
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/hal/TARGET_STM/TARGET_STM32F0/TARGET_NUCLEO_F072RB/PinNames.h Mon Feb 09 09:30:07 2015 +0000 @@ -0,0 +1,183 @@ +/* mbed Microcontroller Library + ******************************************************************************* + * Copyright (c) 2014, STMicroelectronics + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ******************************************************************************* + */ +#ifndef MBED_PINNAMES_H +#define MBED_PINNAMES_H + +#include "cmsis.h" + +#ifdef __cplusplus +extern "C" { +#endif + +// See stm32f0xx_hal_gpio.h and stm32f0xx_hal_gpio_ex.h for values of MODE, PUPD and AFNUM +#define STM_PIN_DATA(MODE, PUPD, AFNUM) ((int)(((AFNUM) << 7) | ((PUPD) << 4) | ((MODE) << 0))) +#define STM_PIN_MODE(X) (((X) >> 0) & 0x0F) +#define STM_PIN_PUPD(X) (((X) >> 4) & 0x07) +#define STM_PIN_AFNUM(X) (((X) >> 7) & 0x0F) +#define STM_MODE_INPUT (0) +#define STM_MODE_OUTPUT_PP (1) +#define STM_MODE_OUTPUT_OD (2) +#define STM_MODE_AF_PP (3) +#define STM_MODE_AF_OD (4) +#define STM_MODE_ANALOG (5) +#define STM_MODE_IT_RISING (6) +#define STM_MODE_IT_FALLING (7) +#define STM_MODE_IT_RISING_FALLING (8) +#define STM_MODE_EVT_RISING (9) +#define STM_MODE_EVT_FALLING (10) +#define STM_MODE_EVT_RISING_FALLING (11) +#define STM_MODE_IT_EVT_RESET (12) + +// High nibble = port number (0=A, 1=B, 2=C, 3=D, 4=E, 5=F, 6=G, 7=H) +// Low nibble = pin number +#define STM_PORT(X) (((uint32_t)(X) >> 4) & 0xF) +#define STM_PIN(X) ((uint32_t)(X) & 0xF) + +typedef enum { + PIN_INPUT, + PIN_OUTPUT +} PinDirection; + +typedef enum { + PA_0 = 0x00, + PA_1 = 0x01, + PA_2 = 0x02, + PA_3 = 0x03, + PA_4 = 0x04, + PA_5 = 0x05, + PA_6 = 0x06, + PA_7 = 0x07, + PA_8 = 0x08, + PA_9 = 0x09, + PA_10 = 0x0A, + PA_11 = 0x0B, + PA_12 = 0x0C, + PA_13 = 0x0D, + PA_14 = 0x0E, + PA_15 = 0x0F, + + PB_0 = 0x10, + PB_1 = 0x11, + PB_2 = 0x12, + PB_3 = 0x13, + PB_4 = 0x14, + PB_5 = 0x15, + PB_6 = 0x16, + PB_7 = 0x17, + PB_8 = 0x18, + PB_9 = 0x19, + PB_10 = 0x1A, + PB_11 = 0x1B, + PB_12 = 0x1C, + PB_13 = 0x1D, + PB_14 = 0x1E, + PB_15 = 0x1F, + + PC_0 = 0x20, + PC_1 = 0x21, + PC_2 = 0x22, + PC_3 = 0x23, + PC_4 = 0x24, + PC_5 = 0x25, + PC_6 = 0x26, + PC_7 = 0x27, + PC_8 = 0x28, + PC_9 = 0x29, + PC_10 = 0x2A, + PC_11 = 0x2B, + PC_12 = 0x2C, + PC_13 = 0x2D, + PC_14 = 0x2E, + PC_15 = 0x2F, + + PD_2 = 0x32, + + PF_0 = 0x50, + PF_1 = 0x51, + + // Arduino connector namings + A0 = PA_0, + A1 = PA_1, + A2 = PA_4, + A3 = PB_0, + A4 = PC_1, + A5 = PC_0, + D0 = PA_3, + D1 = PA_2, + D2 = PA_10, + D3 = PB_3, + D4 = PB_5, + D5 = PB_4, + D6 = PB_10, + D7 = PA_8, + D8 = PA_9, + D9 = PC_7, + D10 = PB_6, + D11 = PA_7, + D12 = PA_6, + D13 = PA_5, + D14 = PB_9, + D15 = PB_8, + + // Generic signals namings + LED1 = PA_5, + LED2 = PA_5, + LED3 = PA_5, + LED4 = PA_5, + USER_BUTTON = PC_13, + SERIAL_TX = PA_2, + SERIAL_RX = PA_3, + USBTX = PA_2, + USBRX = PA_3, + I2C_SCL = PB_8, + I2C_SDA = PB_9, + SPI_MOSI = PA_7, + SPI_MISO = PA_6, + SPI_SCK = PA_5, + SPI_CS = PB_6, + PWM_OUT = PB_3, + + // Not connected + NC = (int)0xFFFFFFFF +} PinName; + +typedef enum { + PullNone = 0, + PullUp = 1, + PullDown = 2, + OpenDrain = 3, + PullDefault = PullNone +} PinMode; + +#ifdef __cplusplus +} +#endif + +#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/hal/TARGET_STM/TARGET_STM32F0/TARGET_NUCLEO_F072RB/PortNames.h Mon Feb 09 09:30:07 2015 +0000 @@ -0,0 +1,48 @@ +/* mbed Microcontroller Library + ******************************************************************************* + * Copyright (c) 2014, STMicroelectronics + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ******************************************************************************* + */ +#ifndef MBED_PORTNAMES_H +#define MBED_PORTNAMES_H + +#ifdef __cplusplus +extern "C" { +#endif + +typedef enum { + PortA = 0, + PortB = 1, + PortC = 2, + PortD = 3, + PortF = 5 +} PortName; + +#ifdef __cplusplus +} +#endif +#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/hal/TARGET_STM/TARGET_STM32F0/TARGET_NUCLEO_F072RB/device.h Mon Feb 09 09:30:07 2015 +0000 @@ -0,0 +1,70 @@ +/* mbed Microcontroller Library + ******************************************************************************* + * Copyright (c) 2014, STMicroelectronics + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ******************************************************************************* + */ +#ifndef MBED_DEVICE_H +#define MBED_DEVICE_H + +#define DEVICE_PORTIN 1 +#define DEVICE_PORTOUT 1 +#define DEVICE_PORTINOUT 1 + +#define DEVICE_INTERRUPTIN 1 + +#define DEVICE_ANALOGIN 1 +#define DEVICE_ANALOGOUT 1 + +#define DEVICE_SERIAL 1 + +#define DEVICE_I2C 1 +#define DEVICE_I2CSLAVE 1 + +#define DEVICE_SPI 1 +#define DEVICE_SPISLAVE 1 + +#define DEVICE_RTC 1 + +#define DEVICE_PWMOUT 1 + +#define DEVICE_SLEEP 1 + +//======================================= + +#define DEVICE_SEMIHOST 0 +#define DEVICE_LOCALFILESYSTEM 0 +#define DEVICE_ID_LENGTH 24 + +#define DEVICE_DEBUG_AWARENESS 0 + +#define DEVICE_STDIO_MESSAGES 1 + +#define DEVICE_ERROR_RED 0 + +#include "objects.h" + +#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/hal/TARGET_STM/TARGET_STM32F0/TARGET_NUCLEO_F072RB/objects.h Mon Feb 09 09:30:07 2015 +0000 @@ -0,0 +1,109 @@ +/* mbed Microcontroller Library + ******************************************************************************* + * Copyright (c) 2014, STMicroelectronics + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ******************************************************************************* + */ +#ifndef MBED_OBJECTS_H +#define MBED_OBJECTS_H + +#include "cmsis.h" +#include "PortNames.h" +#include "PeripheralNames.h" +#include "PinNames.h" + +#ifdef __cplusplus +extern "C" { +#endif + +struct gpio_irq_s { + IRQn_Type irq_n; + uint32_t irq_index; + uint32_t event; + PinName pin; +}; + +struct port_s { + PortName port; + uint32_t mask; + PinDirection direction; + __IO uint32_t *reg_in; + __IO uint32_t *reg_out; +}; + +struct analogin_s { + ADCName adc; + PinName pin; +}; + +struct dac_s { + DACName dac; + PinName pin; +}; + +struct serial_s { + UARTName uart; + int index; // Used by irq + uint32_t baudrate; + uint32_t databits; + uint32_t stopbits; + uint32_t parity; + PinName pin_tx; + PinName pin_rx; +}; + +struct spi_s { + SPIName spi; + uint32_t bits; + uint32_t cpol; + uint32_t cpha; + uint32_t mode; + uint32_t nss; + uint32_t br_presc; + PinName pin_miso; + PinName pin_mosi; + PinName pin_sclk; + PinName pin_ssel; +}; + +struct i2c_s { + I2CName i2c; +}; + +struct pwmout_s { + PWMName pwm; + PinName pin; + uint32_t period; + uint32_t pulse; +}; + +#include "gpio_object.h" + +#ifdef __cplusplus +} +#endif + +#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/hal/TARGET_STM/TARGET_STM32F0/TARGET_NUCLEO_F091RC/PeripheralNames.h Mon Feb 09 09:30:07 2015 +0000 @@ -0,0 +1,86 @@ +/* mbed Microcontroller Library + ******************************************************************************* + * Copyright (c) 2014, STMicroelectronics + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ******************************************************************************* + */ +#ifndef MBED_PERIPHERALNAMES_H +#define MBED_PERIPHERALNAMES_H + +#include "cmsis.h" + +#ifdef __cplusplus +extern "C" { +#endif + +typedef enum { + ADC_1 = (int)ADC1_BASE +} ADCName; + +typedef enum { + DAC_1 = (int)DAC_BASE +} DACName; + +typedef enum { + UART_1 = (int)USART1_BASE, + UART_2 = (int)USART2_BASE, + UART_3 = (int)USART3_BASE, + UART_4 = (int)USART4_BASE, + UART_5 = (int)USART5_BASE, + UART_6 = (int)USART6_BASE, + UART_7 = (int)USART7_BASE, + UART_8 = (int)USART8_BASE +} UARTName; + +#define STDIO_UART_TX PA_2 +#define STDIO_UART_RX PA_3 +#define STDIO_UART UART_2 + +typedef enum { + SPI_1 = (int)SPI1_BASE, + SPI_2 = (int)SPI2_BASE +} SPIName; + +typedef enum { + I2C_1 = (int)I2C1_BASE, + I2C_2 = (int)I2C2_BASE +} I2CName; + +typedef enum { + PWM_1 = (int)TIM1_BASE, + PWM_2 = (int)TIM2_BASE, + PWM_3 = (int)TIM3_BASE, + PWM_14 = (int)TIM14_BASE, + PWM_15 = (int)TIM15_BASE, + PWM_16 = (int)TIM16_BASE, + PWM_17 = (int)TIM17_BASE +} PWMName; + +#ifdef __cplusplus +} +#endif + +#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/hal/TARGET_STM/TARGET_STM32F0/TARGET_NUCLEO_F091RC/PeripheralPins.c Mon Feb 09 09:30:07 2015 +0000 @@ -0,0 +1,220 @@ +/* mbed Microcontroller Library + ******************************************************************************* + * Copyright (c) 2014, STMicroelectronics + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ******************************************************************************* + */ + +#include "PeripheralPins.h" + +// ===== +// Note: Commented lines are alternative possibilities which are not used per default. +// If you change them, you will have also to modify the corresponding xxx_api.c file +// for pwmout, analogin, analogout, ... +// ===== + +//*** ADC *** + +const PinMap PinMap_ADC[] = { + {PA_0, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN0 + {PA_1, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN1 + {PA_2, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN2 + {PA_3, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN3 + {PA_4, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN4 + {PA_5, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN5 + {PA_6, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN6 + {PA_7, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN7 + {PB_0, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN8 + {PB_1, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN9 + {PC_0, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN10 + {PC_1, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN11 + {PC_2, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN12 + {PC_3, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN13 + {PC_4, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN14 + {PC_5, ADC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // ADC1_IN15 + {NC, NC, 0} +}; + +//*** DAC *** + +const PinMap PinMap_DAC[] = { + {PA_4, DAC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // DAC_OUT1 + {PA_5, DAC_1, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0)}, // DAC_OUT2 (Warning: LED1 is also on this pin) + {NC, NC, 0} +}; + +//*** I2C *** + +const PinMap PinMap_I2C_SDA[] = { + {PA_10, I2C_1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF4_I2C1)}, + {PA_12, I2C_2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF5_I2C2)}, + {PB_7, I2C_1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C1)}, + {PB_9, I2C_1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C1)}, + {PB_11, I2C_2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C2)}, + {PB_14, I2C_2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF5_I2C2)}, +// {PF_0, I2C_1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C1)}, // OSC_IN + {NC, NC, 0} +}; + +const PinMap PinMap_I2C_SCL[] = { + {PA_9, I2C_1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF4_I2C1)}, + {PA_11, I2C_2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF5_I2C2)}, + {PB_6, I2C_1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C1)}, + {PB_8, I2C_1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C1)}, + {PB_10, I2C_2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C2)}, + {PB_13, I2C_2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF5_I2C2)}, +// {PF_1, I2C_1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C1)}, // OSC_OUT + {NC, NC, 0} +}; + +//*** PWM *** + +// TIM2 cannot be used because already used by the us_ticker +const PinMap PinMap_PWM[] = { +// {PA_1, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2)}, // TIM2_CH2 + {PA_1, PWM_15, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_TIM15)}, // TIM15_CH1N + {PA_2, PWM_15, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_TIM15)}, // TIM15_CH1 +// {PA_2, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2)}, // TIM2_CH3 + {PA_3, PWM_15, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_TIM15)}, // TIM15_CH2 +// {PA_3, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2)}, // TIM2_CH4 + {PA_4, PWM_14, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_TIM14)}, // TIM14_CH1 +// {PA_6, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM3)}, // TIM3_CH1 + {PA_6, PWM_16, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_TIM16)}, // TIM16_CH1 +// {PA_7, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM3)}, // TIM3_CH2 +// {PA_7, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1)}, // TIM1_CH1N +// {PA_7, PWM_14, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_TIM14)}, // TIM14_CH1 + {PA_7, PWM_17, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_TIM17)}, // TIM17_CH1 + {PA_8, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1)}, // TIM1_CH1 + {PA_9, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1)}, // TIM1_CH2 + {PA_10, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1)}, // TIM1_CH3 + {PA_11, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1)}, // TIM1_CH4 + + {PB_0, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM3)}, // TIM3_CH3 +// {PB_0, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1)}, // TIM1_CH2N + {PB_1, PWM_14, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_TIM14)}, // TIM14_CH1 +// {PB_1, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM3)}, // TIM3_CH4 +// {PB_1, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1)}, // TIM1_CH3N +// {PB_3, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2)}, // TIM2_CH2 + {PB_4, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM3)}, // TIM3_CH1 + {PB_5, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM3)}, // TIM3_CH2 + {PB_6, PWM_16, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM16)}, // TIM16_CH1N + {PB_7, PWM_17, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM17)}, // TIM17_CH1N + {PB_8, PWM_16, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM16)}, // TIM16_CH1 + {PB_9, PWM_17, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM17)}, // TIM17_CH1 +// {PB_10, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2)}, // TIM2_CH3 +// {PB_11, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2)}, // TIM2_CH4 + {PB_13, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1)}, // TIM1_CH1N + {PB_14, PWM_15, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM15)}, // TIM15_CH1 +// {PB_14, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1)}, // TIM1_CH2N + {PB_15, PWM_15, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM15)}, // TIM15_CH2 +// {PB_15, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1)}, // TIM1_CH3N +// {PB_15, PWM_15, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF3_TIM15)}, // TIM15_CH1N + + {PC_6, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_TIM3)}, // TIM3_CH1 + {PC_7, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_TIM3)}, // TIM3_CH2 + {PC_8, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_TIM3)}, // TIM3_CH3 + {PC_9, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_TIM3)}, // TIM3_CH4 + + {NC, NC, 0} +}; + +//*** SERIAL *** + +const PinMap PinMap_UART_TX[] = { + {PA_0, UART_4, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART4)}, + {PA_2, UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART2)}, + {PA_4, UART_6, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_USART6)}, + {PA_9, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART1)}, + {PA_14, UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART2)}, // Warning: SWCLK is also on this pin + {PB_3, UART_5, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART5)}, + {PB_6, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_USART1)}, + {PB_10, UART_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART3)}, +// {PC_0, UART_7, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART7)}, + {PC_0, UART_6, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_USART6)}, + {PC_2, UART_8, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_USART8)}, + {PC_4, UART_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART3)}, + {PC_6, UART_7, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART7)}, + {PC_8, UART_8, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART8)}, + {PC_10, UART_4, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_USART4)}, +// {PC_10, UART_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART3)}, + {PC_12, UART_5, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_USART5)}, + {NC, NC, 0} +}; + +const PinMap PinMap_UART_RX[] = { + {PA_1, UART_4, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART4)}, + {PA_3, UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART2)}, + {PA_5, UART_6, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_USART6)}, + {PA_10, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART1)}, + {PA_15, UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART2)}, + {PB_4, UART_5, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART5)}, + {PB_7, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_USART1)}, + {PB_11, UART_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART3)}, +// {PC_1, UART_7, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART7)}, + {PC_1, UART_6, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_USART6)}, + {PC_3, UART_8, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_USART8)}, + {PC_5, UART_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART3)}, + {PC_7, UART_7, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART7)}, + {PC_9, UART_8, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART8)}, + {PC_11, UART_4, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_USART4)}, +// {PC_11, UART_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART3)}, + {PD_2, UART_5, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_USART5)}, + {NC, NC, 0} +}; + +//*** SPI *** + +const PinMap PinMap_SPI_MOSI[] = { + {PA_7, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)}, + {PB_5, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)}, + {PB_15, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI2)}, + {PC_3, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_SPI2)}, + {NC, NC, 0} +}; + +const PinMap PinMap_SPI_MISO[] = { + {PA_6, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)}, + {PB_4, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)}, + {PB_14, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI2)}, + {PC_2, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_SPI2)}, + {NC, NC, 0} +}; + +const PinMap PinMap_SPI_SCLK[] = { + {PA_5, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)}, + {PB_3, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)}, + {PB_10, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI2)}, + {PB_13, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI2)}, + {NC, NC, 0} +}; + +const PinMap PinMap_SPI_SSEL[] = { + {PA_4, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)}, + {PA_15, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)}, + {PB_9, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI2)}, + {PB_12, SPI_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI2)}, + {NC, NC, 0} +};
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/hal/TARGET_STM/TARGET_STM32F0/TARGET_NUCLEO_F091RC/PinNames.h Mon Feb 09 09:30:07 2015 +0000 @@ -0,0 +1,184 @@ +/* mbed Microcontroller Library + ******************************************************************************* + * Copyright (c) 2014, STMicroelectronics + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ******************************************************************************* + */ +#ifndef MBED_PINNAMES_H +#define MBED_PINNAMES_H + +#include "cmsis.h" + +#ifdef __cplusplus +extern "C" { +#endif + +// See stm32f0xx_hal_gpio.h and stm32f0xx_hal_gpio_ex.h for values of MODE, PUPD and AFNUM +#define STM_PIN_DATA(MODE, PUPD, AFNUM) ((int)(((AFNUM) << 7) | ((PUPD) << 4) | ((MODE) << 0))) +#define STM_PIN_MODE(X) (((X) >> 0) & 0x0F) +#define STM_PIN_PUPD(X) (((X) >> 4) & 0x07) +#define STM_PIN_AFNUM(X) (((X) >> 7) & 0x0F) +#define STM_MODE_INPUT (0) +#define STM_MODE_OUTPUT_PP (1) +#define STM_MODE_OUTPUT_OD (2) +#define STM_MODE_AF_PP (3) +#define STM_MODE_AF_OD (4) +#define STM_MODE_ANALOG (5) +#define STM_MODE_IT_RISING (6) +#define STM_MODE_IT_FALLING (7) +#define STM_MODE_IT_RISING_FALLING (8) +#define STM_MODE_EVT_RISING (9) +#define STM_MODE_EVT_FALLING (10) +#define STM_MODE_EVT_RISING_FALLING (11) +#define STM_MODE_IT_EVT_RESET (12) + +// High nibble = port number (0=A, 1=B, 2=C, 3=D, 4=E, 5=F, 6=G, 7=H) +// Low nibble = pin number +#define STM_PORT(X) (((uint32_t)(X) >> 4) & 0xF) +#define STM_PIN(X) ((uint32_t)(X) & 0xF) + +typedef enum { + PIN_INPUT, + PIN_OUTPUT +} PinDirection; + +typedef enum { + PA_0 = 0x00, + PA_1 = 0x01, + PA_2 = 0x02, + PA_3 = 0x03, + PA_4 = 0x04, + PA_5 = 0x05, + PA_6 = 0x06, + PA_7 = 0x07, + PA_8 = 0x08, + PA_9 = 0x09, + PA_10 = 0x0A, + PA_11 = 0x0B, + PA_12 = 0x0C, + PA_13 = 0x0D, + PA_14 = 0x0E, + PA_15 = 0x0F, + + PB_0 = 0x10, + PB_1 = 0x11, + PB_2 = 0x12, + PB_3 = 0x13, + PB_4 = 0x14, + PB_5 = 0x15, + PB_6 = 0x16, + PB_7 = 0x17, + PB_8 = 0x18, + PB_9 = 0x19, + PB_10 = 0x1A, + PB_11 = 0x1B, + PB_12 = 0x1C, + PB_13 = 0x1D, + PB_14 = 0x1E, + PB_15 = 0x1F, + + PC_0 = 0x20, + PC_1 = 0x21, + PC_2 = 0x22, + PC_3 = 0x23, + PC_4 = 0x24, + PC_5 = 0x25, + PC_6 = 0x26, + PC_7 = 0x27, + PC_8 = 0x28, + PC_9 = 0x29, + PC_10 = 0x2A, + PC_11 = 0x2B, + PC_12 = 0x2C, + PC_13 = 0x2D, + PC_14 = 0x2E, + PC_15 = 0x2F, + + PD_2 = 0x32, + + PF_0 = 0x50, + PF_1 = 0x51, + PF_11 = 0x5B, + + // Arduino connector namings + A0 = PA_0, + A1 = PA_1, + A2 = PA_4, + A3 = PB_0, + A4 = PC_1, + A5 = PC_0, + D0 = PA_3, + D1 = PA_2, + D2 = PA_10, + D3 = PB_3, + D4 = PB_5, + D5 = PB_4, + D6 = PB_10, + D7 = PA_8, + D8 = PA_9, + D9 = PC_7, + D10 = PB_6, + D11 = PA_7, + D12 = PA_6, + D13 = PA_5, + D14 = PB_9, + D15 = PB_8, + + // Generic signals namings + LED1 = PA_5, + LED2 = PA_5, + LED3 = PA_5, + LED4 = PA_5, + USER_BUTTON = PC_13, + SERIAL_TX = PA_2, + SERIAL_RX = PA_3, + USBTX = PA_2, + USBRX = PA_3, + I2C_SCL = PB_8, + I2C_SDA = PB_9, + SPI_MOSI = PA_7, + SPI_MISO = PA_6, + SPI_SCK = PA_5, + SPI_CS = PB_6, + PWM_OUT = PB_4, + + // Not connected + NC = (int)0xFFFFFFFF +} PinName; + +typedef enum { + PullNone = 0, + PullUp = 1, + PullDown = 2, + OpenDrain = 3, + PullDefault = PullNone +} PinMode; + +#ifdef __cplusplus +} +#endif + +#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/hal/TARGET_STM/TARGET_STM32F0/TARGET_NUCLEO_F091RC/PortNames.h Mon Feb 09 09:30:07 2015 +0000 @@ -0,0 +1,48 @@ +/* mbed Microcontroller Library + ******************************************************************************* + * Copyright (c) 2014, STMicroelectronics + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ******************************************************************************* + */ +#ifndef MBED_PORTNAMES_H +#define MBED_PORTNAMES_H + +#ifdef __cplusplus +extern "C" { +#endif + +typedef enum { + PortA = 0, + PortB = 1, + PortC = 2, + PortD = 3, + PortF = 5 +} PortName; + +#ifdef __cplusplus +} +#endif +#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/hal/TARGET_STM/TARGET_STM32F0/TARGET_NUCLEO_F091RC/device.h Mon Feb 09 09:30:07 2015 +0000 @@ -0,0 +1,70 @@ +/* mbed Microcontroller Library + ******************************************************************************* + * Copyright (c) 2014, STMicroelectronics + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ******************************************************************************* + */ +#ifndef MBED_DEVICE_H +#define MBED_DEVICE_H + +#define DEVICE_PORTIN 1 +#define DEVICE_PORTOUT 1 +#define DEVICE_PORTINOUT 1 + +#define DEVICE_INTERRUPTIN 1 + +#define DEVICE_ANALOGIN 1 +#define DEVICE_ANALOGOUT 1 + +#define DEVICE_SERIAL 1 + +#define DEVICE_I2C 1 +#define DEVICE_I2CSLAVE 1 + +#define DEVICE_SPI 1 +#define DEVICE_SPISLAVE 1 + +#define DEVICE_RTC 1 + +#define DEVICE_PWMOUT 1 + +#define DEVICE_SLEEP 1 + +//======================================= + +#define DEVICE_SEMIHOST 0 +#define DEVICE_LOCALFILESYSTEM 0 +#define DEVICE_ID_LENGTH 24 + +#define DEVICE_DEBUG_AWARENESS 0 + +#define DEVICE_STDIO_MESSAGES 1 + +#define DEVICE_ERROR_RED 0 + +#include "objects.h" + +#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/hal/TARGET_STM/TARGET_STM32F0/TARGET_NUCLEO_F091RC/objects.h Mon Feb 09 09:30:07 2015 +0000 @@ -0,0 +1,109 @@ +/* mbed Microcontroller Library + ******************************************************************************* + * Copyright (c) 2014, STMicroelectronics + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ******************************************************************************* + */ +#ifndef MBED_OBJECTS_H +#define MBED_OBJECTS_H + +#include "cmsis.h" +#include "PortNames.h" +#include "PeripheralNames.h" +#include "PinNames.h" + +#ifdef __cplusplus +extern "C" { +#endif + +struct gpio_irq_s { + IRQn_Type irq_n; + uint32_t irq_index; + uint32_t event; + PinName pin; +}; + +struct port_s { + PortName port; + uint32_t mask; + PinDirection direction; + __IO uint32_t *reg_in; + __IO uint32_t *reg_out; +}; + +struct analogin_s { + ADCName adc; + PinName pin; +}; + +struct dac_s { + DACName dac; + PinName pin; +}; + +struct serial_s { + UARTName uart; + int index; // Used by irq + uint32_t baudrate; + uint32_t databits; + uint32_t stopbits; + uint32_t parity; + PinName pin_tx; + PinName pin_rx; +}; + +struct spi_s { + SPIName spi; + uint32_t bits; + uint32_t cpol; + uint32_t cpha; + uint32_t mode; + uint32_t nss; + uint32_t br_presc; + PinName pin_miso; + PinName pin_mosi; + PinName pin_sclk; + PinName pin_ssel; +}; + +struct i2c_s { + I2CName i2c; +}; + +struct pwmout_s { + PWMName pwm; + PinName pin; + uint32_t period; + uint32_t pulse; +}; + +#include "gpio_object.h" + +#ifdef __cplusplus +} +#endif + +#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/hal/TARGET_STM/TARGET_STM32F0/analogin_api.c Mon Feb 09 09:30:07 2015 +0000 @@ -0,0 +1,179 @@ +/* mbed Microcontroller Library + * Copyright (c) 2014, STMicroelectronics + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ +#include "mbed_assert.h" +#include "analogin_api.h" + +#if DEVICE_ANALOGIN + +#include "wait_api.h" +#include "cmsis.h" +#include "pinmap.h" +#include "PeripheralPins.h" + +ADC_HandleTypeDef AdcHandle; + +int adc_inited = 0; + +void analogin_init(analogin_t *obj, PinName pin) +{ + // Get the peripheral name from the pin and assign it to the object + obj->adc = (ADCName)pinmap_peripheral(pin, PinMap_ADC); + MBED_ASSERT(obj->adc != (ADCName)NC); + + // Configure GPIO + pinmap_pinout(pin, PinMap_ADC); + + // Save pin number for the read function + obj->pin = pin; + + // The ADC initialization is done once + if (adc_inited == 0) { + adc_inited = 1; + + // Enable ADC clock + __ADC1_CLK_ENABLE(); + + // Configure ADC + AdcHandle.Instance = (ADC_TypeDef *)(obj->adc); + AdcHandle.Init.ClockPrescaler = ADC_CLOCK_SYNC_PCLK_DIV4; + AdcHandle.Init.Resolution = ADC_RESOLUTION12b; + AdcHandle.Init.DataAlign = ADC_DATAALIGN_RIGHT; + AdcHandle.Init.ScanConvMode = DISABLE; + AdcHandle.Init.EOCSelection = EOC_SINGLE_CONV; + AdcHandle.Init.LowPowerAutoWait = DISABLE; + AdcHandle.Init.LowPowerAutoPowerOff = DISABLE; + AdcHandle.Init.ContinuousConvMode = DISABLE; + AdcHandle.Init.DiscontinuousConvMode = DISABLE; + AdcHandle.Init.ExternalTrigConv = ADC_SOFTWARE_START; + AdcHandle.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_NONE; + AdcHandle.Init.DMAContinuousRequests = DISABLE; + AdcHandle.Init.Overrun = OVR_DATA_OVERWRITTEN; + HAL_ADC_Init(&AdcHandle); + + // Run the ADC calibration + HAL_ADCEx_Calibration_Start(&AdcHandle); + } +} + +static inline uint16_t adc_read(analogin_t *obj) +{ + ADC_ChannelConfTypeDef sConfig; + + AdcHandle.Instance = (ADC_TypeDef *)(obj->adc); + + // Configure ADC channel + sConfig.Rank = ADC_RANK_CHANNEL_NUMBER; +#if defined (TARGET_STM32F091RC) + sConfig.SamplingTime = ADC_SAMPLETIME_13CYCLES_5; +#else + sConfig.SamplingTime = ADC_SAMPLETIME_7CYCLES_5; +#endif + + switch (obj->pin) { + case PA_0: + sConfig.Channel = ADC_CHANNEL_0; + break; + case PA_1: + sConfig.Channel = ADC_CHANNEL_1; + break; + case PA_2: + sConfig.Channel = ADC_CHANNEL_2; + break; + case PA_3: + sConfig.Channel = ADC_CHANNEL_3; + break; + case PA_4: + sConfig.Channel = ADC_CHANNEL_4; + break; + case PA_5: + sConfig.Channel = ADC_CHANNEL_5; + break; + case PA_6: + sConfig.Channel = ADC_CHANNEL_6; + break; + case PA_7: + sConfig.Channel = ADC_CHANNEL_7; + break; + case PB_0: + sConfig.Channel = ADC_CHANNEL_8; + break; + case PB_1: + sConfig.Channel = ADC_CHANNEL_9; + break; + case PC_0: + sConfig.Channel = ADC_CHANNEL_10; + break; + case PC_1: + sConfig.Channel = ADC_CHANNEL_11; + break; + case PC_2: + sConfig.Channel = ADC_CHANNEL_12; + break; + case PC_3: + sConfig.Channel = ADC_CHANNEL_13; + break; + case PC_4: + sConfig.Channel = ADC_CHANNEL_14; + break; + case PC_5: + sConfig.Channel = ADC_CHANNEL_15; + break; + default: + return 0; + } + + // Clear all channels as it is not done in HAL_ADC_ConfigChannel() + AdcHandle.Instance->CHSELR = 0; + + HAL_ADC_ConfigChannel(&AdcHandle, &sConfig); + + HAL_ADC_Start(&AdcHandle); // Start conversion + + // Wait end of conversion and get value + if (HAL_ADC_PollForConversion(&AdcHandle, 10) == HAL_OK) { + return (HAL_ADC_GetValue(&AdcHandle)); + } else { + return 0; + } +} + +uint16_t analogin_read_u16(analogin_t *obj) +{ + uint16_t value = adc_read(obj); + // 12-bit to 16-bit conversion + value = ((value << 4) & (uint16_t)0xFFF0) | ((value >> 8) & (uint16_t)0x000F); + return value; +} + +float analogin_read(analogin_t *obj) +{ + uint16_t value = adc_read(obj); + return (float)value * (1.0f / (float)0xFFF); // 12 bits range +} + +#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/hal/TARGET_STM/TARGET_STM32F0/analogout_api.c Mon Feb 09 09:30:07 2015 +0000 @@ -0,0 +1,136 @@ +/* mbed Microcontroller Library + * Copyright (c) 2014, STMicroelectronics + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ +#include "mbed_assert.h" +#include "analogout_api.h" + +#if DEVICE_ANALOGOUT + +#include "cmsis.h" +#include "pinmap.h" +#include "mbed_error.h" +#include "PeripheralPins.h" + +#define DAC_RANGE (0xFFF) // 12 bits + +static DAC_HandleTypeDef DacHandle; + +void analogout_init(dac_t *obj, PinName pin) +{ + DAC_ChannelConfTypeDef sConfig; + + DacHandle.Instance = DAC; + + // Get the peripheral name (DAC_1, ...) from the pin and assign it to the object + obj->dac = (DACName)pinmap_peripheral(pin, PinMap_DAC); + MBED_ASSERT(obj->dac != (DACName)NC); + + // Configure GPIO + pinmap_pinout(pin, PinMap_DAC); + + // Save the channel for future use + obj->pin = pin; + + // Enable DAC clock + __DAC1_CLK_ENABLE(); + + // Configure DAC + sConfig.DAC_Trigger = DAC_TRIGGER_NONE; + sConfig.DAC_OutputBuffer = DAC_OUTPUTBUFFER_DISABLE; + + if (pin == PA_4) { + HAL_DAC_ConfigChannel(&DacHandle, &sConfig, DAC_CHANNEL_1); + } else { // PA_5 + HAL_DAC_ConfigChannel(&DacHandle, &sConfig, DAC_CHANNEL_2); + } + + analogout_write_u16(obj, 0); +} + +void analogout_free(dac_t *obj) +{ + // Reset DAC and disable clock + __DAC1_FORCE_RESET(); + __DAC1_RELEASE_RESET(); + __DAC1_CLK_DISABLE(); + + // Configure GPIO + pin_function(obj->pin, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); +} + +static inline void dac_write(dac_t *obj, uint16_t value) +{ + if (obj->pin == PA_4) { + HAL_DAC_SetValue(&DacHandle, DAC_CHANNEL_1, DAC_ALIGN_12B_R, value); + HAL_DAC_Start(&DacHandle, DAC_CHANNEL_1); + } else { // PA_5 + HAL_DAC_SetValue(&DacHandle, DAC_CHANNEL_2, DAC_ALIGN_12B_R, value); + HAL_DAC_Start(&DacHandle, DAC_CHANNEL_2); + } +} + +static inline int dac_read(dac_t *obj) +{ + if (obj->pin == PA_4) { + return (int)HAL_DAC_GetValue(&DacHandle, DAC_CHANNEL_1); + } else { // PA_5 + return (int)HAL_DAC_GetValue(&DacHandle, DAC_CHANNEL_2); + } +} + +void analogout_write(dac_t *obj, float value) +{ + if (value < 0.0f) { + dac_write(obj, 0); // Min value + } else if (value > 1.0f) { + dac_write(obj, (uint16_t)DAC_RANGE); // Max value + } else { + dac_write(obj, (uint16_t)(value * (float)DAC_RANGE)); + } +} + +void analogout_write_u16(dac_t *obj, uint16_t value) +{ + if (value > (uint16_t)DAC_RANGE) { + dac_write(obj, (uint16_t)DAC_RANGE); // Max value + } else { + dac_write(obj, value); + } +} + +float analogout_read(dac_t *obj) +{ + uint32_t value = dac_read(obj); + return (float)((float)value * (1.0f / (float)DAC_RANGE)); +} + +uint16_t analogout_read_u16(dac_t *obj) +{ + return (uint16_t)dac_read(obj); +} + +#endif // DEVICE_ANALOGOUT
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/hal/TARGET_STM/TARGET_STM32F0/gpio_api.c Mon Feb 09 09:30:07 2015 +0000 @@ -0,0 +1,79 @@ +/* mbed Microcontroller Library + ******************************************************************************* + * Copyright (c) 2014, STMicroelectronics + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ******************************************************************************* + */ +#include "mbed_assert.h" +#include "gpio_api.h" +#include "pinmap.h" +#include "mbed_error.h" + +extern uint32_t Set_GPIO_Clock(uint32_t port_idx); + +uint32_t gpio_set(PinName pin) +{ + MBED_ASSERT(pin != (PinName)NC); + + pin_function(pin, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); + + return (uint32_t)(1 << ((uint32_t)pin & 0xF)); // Return the pin mask +} + +void gpio_init(gpio_t *obj, PinName pin) +{ + obj->pin = pin; + if (pin == (PinName)NC) { + return; + } + + uint32_t port_index = STM_PORT(pin); + + // Enable GPIO clock + uint32_t gpio_add = Set_GPIO_Clock(port_index); + GPIO_TypeDef *gpio = (GPIO_TypeDef *)gpio_add; + + // Fill GPIO object structure for future use + obj->mask = gpio_set(pin); + obj->reg_in = &gpio->IDR; + obj->reg_set = &gpio->BSRR; + obj->reg_clr = &gpio->BRR; +} + +void gpio_mode(gpio_t *obj, PinMode mode) +{ + pin_mode(obj->pin, mode); +} + +void gpio_dir(gpio_t *obj, PinDirection direction) +{ + MBED_ASSERT(obj->pin != (PinName)NC); + if (direction == PIN_OUTPUT) { + pin_function(obj->pin, STM_PIN_DATA(STM_MODE_OUTPUT_PP, GPIO_NOPULL, 0)); + } else { // PIN_INPUT + pin_function(obj->pin, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); + } +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/hal/TARGET_STM/TARGET_STM32F0/gpio_irq_api.c Mon Feb 09 09:30:07 2015 +0000 @@ -0,0 +1,267 @@ +/* mbed Microcontroller Library + ******************************************************************************* + * Copyright (c) 2014, STMicroelectronics + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ******************************************************************************* + */ +#include <stddef.h> +#include "cmsis.h" +#include "gpio_irq_api.h" +#include "pinmap.h" +#include "mbed_error.h" + +#define EDGE_NONE (0) +#define EDGE_RISE (1) +#define EDGE_FALL (2) +#define EDGE_BOTH (3) + +// Number of EXTI irq vectors (EXTI0_1, EXTI2_3, EXTI4_15) +#define CHANNEL_NUM (3) + +// Max pins for one line (max with EXTI4_15) +#define MAX_PIN_LINE (12) + +typedef struct gpio_channel { + uint32_t pin_mask; // bitmask representing which pins are configured for receiving interrupts + uint32_t channel_ids[MAX_PIN_LINE]; // mbed "gpio_irq_t gpio_irq" field of instance + uint32_t channel_gpio[MAX_PIN_LINE]; // base address of gpio port group + uint32_t channel_pin[MAX_PIN_LINE]; // pin number in port group +} gpio_channel_t; + +static gpio_channel_t channels[CHANNEL_NUM] = { + {.pin_mask = 0}, + {.pin_mask = 0}, + {.pin_mask = 0} +}; + +// Used to return the index for channels array. +static uint32_t pin_base_nr[16] = { + // EXTI0_1 + 0, // pin 0 + 1, // pin 1 + // EXTI2_3 + 0, // pin 2 + 1, // pin 3 + // EXTI4_15 + 0, // pin 4 + 1, // pin 5 + 2, // pin 6 + 3, // pin 7 + 4, // pin 8 + 5, // pin 9 + 6, // pin 10 + 7, // pin 11 + 8, // pin 12 + 9, // pin 13 + 10, // pin 14 + 11 // pin 15 +}; + +static gpio_irq_handler irq_handler; + +static void handle_interrupt_in(uint32_t irq_index, uint32_t max_num_pin_line) +{ + gpio_channel_t *gpio_channel = &channels[irq_index]; + uint32_t gpio_idx; + + for (gpio_idx = 0; gpio_idx < max_num_pin_line; gpio_idx++) { + uint32_t current_mask = (1 << gpio_idx); + + if (gpio_channel->pin_mask & current_mask) { + // Retrieve the gpio and pin that generate the irq + GPIO_TypeDef *gpio = (GPIO_TypeDef *)(gpio_channel->channel_gpio[gpio_idx]); + uint32_t pin = (uint32_t)(1 << (gpio_channel->channel_pin[gpio_idx])); + + // Clear interrupt flag + if (__HAL_GPIO_EXTI_GET_FLAG(pin) != RESET) { + __HAL_GPIO_EXTI_CLEAR_FLAG(pin); + + if (gpio_channel->channel_ids[gpio_idx] == 0) continue; + + // Check which edge has generated the irq + if ((gpio->IDR & pin) == 0) { + irq_handler(gpio_channel->channel_ids[gpio_idx], IRQ_FALL); + } else { + irq_handler(gpio_channel->channel_ids[gpio_idx], IRQ_RISE); + } + } + } + } +} + +// EXTI lines 0 to 1 +static void gpio_irq0(void) +{ + handle_interrupt_in(0, 2); +} + +// EXTI lines 2 to 3 +static void gpio_irq1(void) +{ + handle_interrupt_in(1, 2); +} + +// EXTI lines 4 to 15 +static void gpio_irq2(void) +{ + handle_interrupt_in(2, 12); +} + +extern uint32_t Set_GPIO_Clock(uint32_t port_idx); + +int gpio_irq_init(gpio_irq_t *obj, PinName pin, gpio_irq_handler handler, uint32_t id) +{ + IRQn_Type irq_n = (IRQn_Type)0; + uint32_t vector = 0; + uint32_t irq_index; + gpio_channel_t *gpio_channel; + uint32_t gpio_idx; + + if (pin == NC) return -1; + + uint32_t port_index = STM_PORT(pin); + uint32_t pin_index = STM_PIN(pin); + + // Select irq number and interrupt routine + if ((pin_index == 0) || (pin_index == 1)) { + irq_n = EXTI0_1_IRQn; + vector = (uint32_t)&gpio_irq0; + irq_index = 0; + } else if ((pin_index == 2) || (pin_index == 3)) { + irq_n = EXTI2_3_IRQn; + vector = (uint32_t)&gpio_irq1; + irq_index = 1; + } else if ((pin_index > 3) && (pin_index < 16)) { + irq_n = EXTI4_15_IRQn; + vector = (uint32_t)&gpio_irq2; + irq_index = 2; + } else { + error("InterruptIn error: pin not supported.\n"); + return -1; + } + + // Enable GPIO clock + uint32_t gpio_add = Set_GPIO_Clock(port_index); + + // Configure GPIO + pin_function(pin, STM_PIN_DATA(STM_MODE_IT_FALLING, GPIO_NOPULL, 0)); + + // Enable EXTI interrupt + NVIC_SetVector(irq_n, vector); + NVIC_EnableIRQ(irq_n); + + // Save informations for future use + obj->irq_n = irq_n; + obj->irq_index = irq_index; + obj->event = EDGE_NONE; + obj->pin = pin; + + gpio_channel = &channels[irq_index]; + gpio_idx = pin_base_nr[pin_index]; + gpio_channel->pin_mask |= (1 << gpio_idx); + gpio_channel->channel_ids[gpio_idx] = id; + gpio_channel->channel_gpio[gpio_idx] = gpio_add; + gpio_channel->channel_pin[gpio_idx] = pin_index; + + irq_handler = handler; + + return 0; +} + +void gpio_irq_free(gpio_irq_t *obj) +{ + gpio_channel_t *gpio_channel = &channels[obj->irq_index]; + uint32_t pin_index = STM_PIN(obj->pin); + uint32_t gpio_idx = pin_base_nr[pin_index]; + + gpio_channel->pin_mask &= ~(1 << gpio_idx); + gpio_channel->channel_ids[gpio_idx] = 0; + gpio_channel->channel_gpio[gpio_idx] = 0; + gpio_channel->channel_pin[gpio_idx] = 0; + + // Disable EXTI line + pin_function(obj->pin, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); + obj->event = EDGE_NONE; +} + +void gpio_irq_set(gpio_irq_t *obj, gpio_irq_event event, uint32_t enable) +{ + uint32_t mode = STM_MODE_IT_EVT_RESET; + uint32_t pull = GPIO_NOPULL; + + if (enable) { + if (event == IRQ_RISE) { + if ((obj->event == EDGE_FALL) || (obj->event == EDGE_BOTH)) { + mode = STM_MODE_IT_RISING_FALLING; + obj->event = EDGE_BOTH; + } else { // NONE or RISE + mode = STM_MODE_IT_RISING; + obj->event = EDGE_RISE; + } + } + if (event == IRQ_FALL) { + if ((obj->event == EDGE_RISE) || (obj->event == EDGE_BOTH)) { + mode = STM_MODE_IT_RISING_FALLING; + obj->event = EDGE_BOTH; + } else { // NONE or FALL + mode = STM_MODE_IT_FALLING; + obj->event = EDGE_FALL; + } + } + } else { // Disable + if (event == IRQ_RISE) { + if ((obj->event == EDGE_FALL) || (obj->event == EDGE_BOTH)) { + mode = STM_MODE_IT_FALLING; + obj->event = EDGE_FALL; + } else { // NONE or RISE + mode = STM_MODE_IT_EVT_RESET; + obj->event = EDGE_NONE; + } + } + if (event == IRQ_FALL) { + if ((obj->event == EDGE_RISE) || (obj->event == EDGE_BOTH)) { + mode = STM_MODE_IT_RISING; + obj->event = EDGE_RISE; + } else { // NONE or FALL + mode = STM_MODE_IT_EVT_RESET; + obj->event = EDGE_NONE; + } + } + } + + pin_function(obj->pin, STM_PIN_DATA(mode, pull, 0)); +} + +void gpio_irq_enable(gpio_irq_t *obj) +{ + NVIC_EnableIRQ(obj->irq_n); +} + +void gpio_irq_disable(gpio_irq_t *obj) +{ + NVIC_DisableIRQ(obj->irq_n); + obj->event = EDGE_NONE; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/hal/TARGET_STM/TARGET_STM32F0/gpio_object.h Mon Feb 09 09:30:07 2015 +0000 @@ -0,0 +1,75 @@ +/* mbed Microcontroller Library + ******************************************************************************* + * Copyright (c) 2014, STMicroelectronics + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ******************************************************************************* + */ +#ifndef MBED_GPIO_OBJECT_H +#define MBED_GPIO_OBJECT_H + +#include "mbed_assert.h" +#include "cmsis.h" +#include "PortNames.h" +#include "PeripheralNames.h" +#include "PinNames.h" + +#ifdef __cplusplus +extern "C" { +#endif + +typedef struct { + PinName pin; + uint32_t mask; + __IO uint32_t *reg_in; + __IO uint32_t *reg_set; + __IO uint32_t *reg_clr; +} gpio_t; + +static inline void gpio_write(gpio_t *obj, int value) +{ + MBED_ASSERT(obj->pin != (PinName)NC); + if (value) { + *obj->reg_set = obj->mask; + } else { + *obj->reg_clr = obj->mask; + } +} + +static inline int gpio_read(gpio_t *obj) +{ + MBED_ASSERT(obj->pin != (PinName)NC); + return ((*obj->reg_in & obj->mask) ? 1 : 0); +} + +static inline int gpio_is_connected(const gpio_t *obj) { + return obj->pin != (PinName)NC; +} + +#ifdef __cplusplus +} +#endif + +#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/hal/TARGET_STM/TARGET_STM32F0/i2c_api.c Mon Feb 09 09:30:07 2015 +0000 @@ -0,0 +1,390 @@ +/* mbed Microcontroller Library + ******************************************************************************* + * Copyright (c) 2014, STMicroelectronics + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ******************************************************************************* + */ +#include "mbed_assert.h" +#include "i2c_api.h" + +#if DEVICE_I2C + +#include "cmsis.h" +#include "pinmap.h" +#include "PeripheralPins.h" + +/* Timeout values for flags and events waiting loops. These timeouts are + not based on accurate values, they just guarantee that the application will + not remain stuck if the I2C communication is corrupted. */ +#define FLAG_TIMEOUT ((int)0x1000) +#define LONG_TIMEOUT ((int)0x8000) + +I2C_HandleTypeDef I2cHandle; + +int i2c1_inited = 0; +int i2c2_inited = 0; + +void i2c_init(i2c_t *obj, PinName sda, PinName scl) +{ + // Determine the I2C to use + I2CName i2c_sda = (I2CName)pinmap_peripheral(sda, PinMap_I2C_SDA); + I2CName i2c_scl = (I2CName)pinmap_peripheral(scl, PinMap_I2C_SCL); + + obj->i2c = (I2CName)pinmap_merge(i2c_sda, i2c_scl); + MBED_ASSERT(obj->i2c != (I2CName)NC); + + // Enable I2C1 clock and pinout if not done + if ((obj->i2c == I2C_1) && !i2c1_inited) { + i2c1_inited = 1; + __HAL_RCC_I2C1_CONFIG(RCC_I2C1CLKSOURCE_SYSCLK); + __I2C1_CLK_ENABLE(); + // Configure I2C pins + pinmap_pinout(sda, PinMap_I2C_SDA); + pinmap_pinout(scl, PinMap_I2C_SCL); + pin_mode(sda, OpenDrain); + pin_mode(scl, OpenDrain); + } + + // Enable I2C2 clock and pinout if not done + if ((obj->i2c == I2C_2) && !i2c2_inited) { + i2c2_inited = 1; + __I2C2_CLK_ENABLE(); + // Configure I2C pins + pinmap_pinout(sda, PinMap_I2C_SDA); + pinmap_pinout(scl, PinMap_I2C_SCL); + pin_mode(sda, OpenDrain); + pin_mode(scl, OpenDrain); + } + + // Reset to clear pending flags if any + i2c_reset(obj); + + // I2C configuration + i2c_frequency(obj, 100000); // 100 kHz per default +} + +void i2c_frequency(i2c_t *obj, int hz) +{ + MBED_ASSERT((hz == 100000) || (hz == 400000) || (hz == 1000000)); + I2cHandle.Instance = (I2C_TypeDef *)(obj->i2c); + int timeout; + + // wait before init + timeout = LONG_TIMEOUT; + while ((__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_BUSY)) && (timeout-- != 0)); + + // Common settings: I2C clock = 48 MHz, Analog filter = ON, Digital filter coefficient = 0 + switch (hz) { + case 100000: + I2cHandle.Init.Timing = 0x10805E89; // Standard mode with Rise Time = 400ns and Fall Time = 100ns + break; + case 400000: + I2cHandle.Init.Timing = 0x00901850; // Fast mode with Rise Time = 250ns and Fall Time = 100ns + break; + case 1000000: + I2cHandle.Init.Timing = 0x00700818; // Fast mode Plus with Rise Time = 60ns and Fall Time = 100ns + break; + default: + break; + } + + // I2C configuration + I2cHandle.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT; + I2cHandle.Init.DualAddressMode = I2C_DUALADDRESS_DISABLED; + I2cHandle.Init.GeneralCallMode = I2C_GENERALCALL_DISABLED; + I2cHandle.Init.NoStretchMode = I2C_NOSTRETCH_DISABLED; + I2cHandle.Init.OwnAddress1 = 0; + I2cHandle.Init.OwnAddress2 = 0; + I2cHandle.Init.OwnAddress2Masks = I2C_OA2_NOMASK; + HAL_I2C_Init(&I2cHandle); +} + +inline int i2c_start(i2c_t *obj) +{ + I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c); + int timeout; + + I2cHandle.Instance = (I2C_TypeDef *)(obj->i2c); + + // Clear Acknowledge failure flag + __HAL_I2C_CLEAR_FLAG(&I2cHandle, I2C_FLAG_AF); + + // Generate the START condition + i2c->CR2 |= I2C_CR2_START; + + // Wait the START condition has been correctly sent + timeout = FLAG_TIMEOUT; + while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_BUSY) == RESET) { + if ((timeout--) == 0) { + return 1; + } + } + + return 0; +} + +inline int i2c_stop(i2c_t *obj) +{ + I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c); + + // Generate the STOP condition + i2c->CR2 |= I2C_CR2_STOP; + + return 0; +} + +int i2c_read(i2c_t *obj, int address, char *data, int length, int stop) +{ + I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c); + I2cHandle.Instance = (I2C_TypeDef *)(obj->i2c); + int timeout; + int count; + int value; + + // Update CR2 register + i2c->CR2 = (i2c->CR2 & (uint32_t)~((uint32_t)(I2C_CR2_SADD | I2C_CR2_NBYTES | I2C_CR2_RELOAD | I2C_CR2_AUTOEND | I2C_CR2_RD_WRN | I2C_CR2_START | I2C_CR2_STOP))) + | (uint32_t)(((uint32_t)address & I2C_CR2_SADD) | (((uint32_t)length << 16) & I2C_CR2_NBYTES) | (uint32_t)I2C_SOFTEND_MODE | (uint32_t)I2C_GENERATE_START_READ); + + // Read all bytes + for (count = 0; count < length; count++) { + value = i2c_byte_read(obj, 0); + data[count] = (char)value; + } + + // Wait transfer complete + timeout = FLAG_TIMEOUT; + while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_TC) == RESET) { + timeout--; + if (timeout == 0) { + return -1; + } + } + __HAL_I2C_CLEAR_FLAG(&I2cHandle, I2C_FLAG_TC); + + // If not repeated start, send stop. + if (stop) { + i2c_stop(obj); + // Wait until STOPF flag is set + timeout = FLAG_TIMEOUT; + while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_STOPF) == RESET) { + timeout--; + if (timeout == 0) { + return -1; + } + } + // Clear STOP Flag + __HAL_I2C_CLEAR_FLAG(&I2cHandle, I2C_FLAG_STOPF); + } + + return length; +} + +int i2c_write(i2c_t *obj, int address, const char *data, int length, int stop) +{ + I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c); + I2cHandle.Instance = (I2C_TypeDef *)(obj->i2c); + int timeout; + int count; + + // Update CR2 register + i2c->CR2 = (i2c->CR2 & (uint32_t)~((uint32_t)(I2C_CR2_SADD | I2C_CR2_NBYTES | I2C_CR2_RELOAD | I2C_CR2_AUTOEND | I2C_CR2_RD_WRN | I2C_CR2_START | I2C_CR2_STOP))) + | (uint32_t)(((uint32_t)address & I2C_CR2_SADD) | (((uint32_t)length << 16) & I2C_CR2_NBYTES) | (uint32_t)I2C_SOFTEND_MODE | (uint32_t)I2C_GENERATE_START_WRITE); + + for (count = 0; count < length; count++) { + i2c_byte_write(obj, data[count]); + } + + // Wait transfer complete + timeout = FLAG_TIMEOUT; + while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_TC) == RESET) { + timeout--; + if (timeout == 0) { + return -1; + } + } + __HAL_I2C_CLEAR_FLAG(&I2cHandle, I2C_FLAG_TC); + + // If not repeated start, send stop + if (stop) { + i2c_stop(obj); + // Wait until STOPF flag is set + timeout = FLAG_TIMEOUT; + while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_STOPF) == RESET) { + timeout--; + if (timeout == 0) { + return -1; + } + } + // Clear STOP Flag + __HAL_I2C_CLEAR_FLAG(&I2cHandle, I2C_FLAG_STOPF); + } + + return count; +} + +int i2c_byte_read(i2c_t *obj, int last) +{ + I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c); + int timeout; + + // Wait until the byte is received + timeout = FLAG_TIMEOUT; + while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_RXNE) == RESET) { + if ((timeout--) == 0) { + return -1; + } + } + + return (int)i2c->RXDR; +} + +int i2c_byte_write(i2c_t *obj, int data) +{ + I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c); + int timeout; + + // Wait until the previous byte is transmitted + timeout = FLAG_TIMEOUT; + while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_TXIS) == RESET) { + if ((timeout--) == 0) { + return 0; + } + } + + i2c->TXDR = (uint8_t)data; + + return 1; +} + +void i2c_reset(i2c_t *obj) +{ + int timeout; + + // Wait before reset + timeout = LONG_TIMEOUT; + while ((__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_BUSY)) && (timeout-- != 0)); + + if (obj->i2c == I2C_1) { + __I2C1_FORCE_RESET(); + __I2C1_RELEASE_RESET(); + } + if (obj->i2c == I2C_2) { + __I2C2_FORCE_RESET(); + __I2C2_RELEASE_RESET(); + } +} + +#if DEVICE_I2CSLAVE + +void i2c_slave_address(i2c_t *obj, int idx, uint32_t address, uint32_t mask) +{ + I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c); + uint16_t tmpreg = 0; + + // disable + i2c->OAR1 &= (uint32_t)(~I2C_OAR1_OA1EN); + // Get the old register value + tmpreg = i2c->OAR1; + // Reset address bits + tmpreg &= 0xFC00; + // Set new address + tmpreg |= (uint16_t)((uint16_t)address & (uint16_t)0x00FE); // 7-bits + // Store the new register value + i2c->OAR1 = tmpreg; + // enable + i2c->OAR1 |= I2C_OAR1_OA1EN; +} + +void i2c_slave_mode(i2c_t *obj, int enable_slave) +{ + I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c); + uint16_t tmpreg; + + // Get the old register value + tmpreg = i2c->OAR1; + + // Enable / disable slave + if (enable_slave == 1) { + tmpreg |= I2C_OAR1_OA1EN; + } else { + tmpreg &= (uint32_t)(~I2C_OAR1_OA1EN); + } + + // Set new mode + i2c->OAR1 = tmpreg; +} + +// See I2CSlave.h +#define NoData 0 // the slave has not been addressed +#define ReadAddressed 1 // the master has requested a read from this slave (slave = transmitter) +#define WriteGeneral 2 // the master is writing to all slave +#define WriteAddressed 3 // the master is writing to this slave (slave = receiver) + +int i2c_slave_receive(i2c_t *obj) +{ + I2cHandle.Instance = (I2C_TypeDef *)(obj->i2c); + int retValue = NoData; + + if (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_BUSY) == 1) { + if (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_ADDR) == 1) { + if (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_DIR) == 1) + retValue = ReadAddressed; + else + retValue = WriteAddressed; + + __HAL_I2C_CLEAR_FLAG(&I2cHandle, I2C_FLAG_ADDR); + } + } + + return (retValue); +} + +int i2c_slave_read(i2c_t *obj, char *data, int length) +{ + char size = 0; + + while (size < length) data[size++] = (char)i2c_byte_read(obj, 0); + + return size; +} + +int i2c_slave_write(i2c_t *obj, const char *data, int length) +{ + char size = 0; + I2cHandle.Instance = (I2C_TypeDef *)(obj->i2c); + + do { + i2c_byte_write(obj, data[size]); + size++; + } while (size < length); + + return size; +} + + +#endif // DEVICE_I2CSLAVE + +#endif // DEVICE_I2C
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/hal/TARGET_STM/TARGET_STM32F0/mbed_overrides.c Mon Feb 09 09:30:07 2015 +0000 @@ -0,0 +1,40 @@ +/* mbed Microcontroller Library + * Copyright (c) 2014, STMicroelectronics + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ +#include "cmsis.h" + +// This function is called after RAM initialization and before main. +void mbed_sdk_init() +{ + // Update the SystemCoreClock variable. + SystemCoreClockUpdate(); + +#if defined(TARGET_STM32F070RB) || defined(TARGET_STM32F072RB) || defined(TARGET_STM32F091RC) + // Need to restart HAL driver after the RAM is initialized + HAL_Init(); +#endif +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/hal/TARGET_STM/TARGET_STM32F0/pinmap.c Mon Feb 09 09:30:07 2015 +0000 @@ -0,0 +1,139 @@ +/* mbed Microcontroller Library + ******************************************************************************* + * Copyright (c) 2014, STMicroelectronics + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ******************************************************************************* + */ +#include "mbed_assert.h" +#include "pinmap.h" +#include "PortNames.h" +#include "mbed_error.h" + +// GPIO mode look-up table +static const uint32_t gpio_mode[13] = { + 0x00000000, // 0 = GPIO_MODE_INPUT + 0x00000001, // 1 = GPIO_MODE_OUTPUT_PP + 0x00000011, // 2 = GPIO_MODE_OUTPUT_OD + 0x00000002, // 3 = GPIO_MODE_AF_PP + 0x00000012, // 4 = GPIO_MODE_AF_OD + 0x00000003, // 5 = GPIO_MODE_ANALOG + 0x10110000, // 6 = GPIO_MODE_IT_RISING + 0x10210000, // 7 = GPIO_MODE_IT_FALLING + 0x10310000, // 8 = GPIO_MODE_IT_RISING_FALLING + 0x10120000, // 9 = GPIO_MODE_EVT_RISING + 0x10220000, // 10 = GPIO_MODE_EVT_FALLING + 0x10320000, // 11 = GPIO_MODE_EVT_RISING_FALLING + 0x10000000 // 12 = Reset IT and EVT (not in STM32Cube HAL) +}; + +// Enable GPIO clock and return GPIO base address +uint32_t Set_GPIO_Clock(uint32_t port_idx) +{ + uint32_t gpio_add = 0; + switch (port_idx) { + case PortA: + gpio_add = GPIOA_BASE; + __GPIOA_CLK_ENABLE(); + break; + case PortB: + gpio_add = GPIOB_BASE; + __GPIOB_CLK_ENABLE(); + break; + case PortC: + gpio_add = GPIOC_BASE; + __GPIOC_CLK_ENABLE(); + break; + case PortD: + gpio_add = GPIOD_BASE; + __GPIOD_CLK_ENABLE(); + break; + case PortF: + gpio_add = GPIOF_BASE; + __GPIOF_CLK_ENABLE(); + break; + default: + error("Pinmap error: wrong port number."); + break; + } + return gpio_add; +} + +/** + * Configure pin (mode, speed, output type and pull-up/pull-down) + */ +void pin_function(PinName pin, int data) +{ + MBED_ASSERT(pin != (PinName)NC); + + // Get the pin informations + uint32_t mode = STM_PIN_MODE(data); + uint32_t pupd = STM_PIN_PUPD(data); + uint32_t afnum = STM_PIN_AFNUM(data); + + uint32_t port_index = STM_PORT(pin); + uint32_t pin_index = STM_PIN(pin); + + // Enable GPIO clock + uint32_t gpio_add = Set_GPIO_Clock(port_index); + GPIO_TypeDef *gpio = (GPIO_TypeDef *)gpio_add; + + // Configure GPIO + GPIO_InitTypeDef GPIO_InitStructure; + GPIO_InitStructure.Pin = (uint32_t)(1 << pin_index); + GPIO_InitStructure.Mode = gpio_mode[mode]; + GPIO_InitStructure.Pull = pupd; + GPIO_InitStructure.Speed = GPIO_SPEED_HIGH; + GPIO_InitStructure.Alternate = afnum; + HAL_GPIO_Init(gpio, &GPIO_InitStructure); + + // [TODO] Disconnect SWDIO and SWCLK signals ? + // Warning: For debugging it is necessary to reconnect under reset if this is done. + //if ((pin == PA_13) || (pin == PA_14)) { + // + //} +} + +/** + * Configure pin pull-up/pull-down + */ +void pin_mode(PinName pin, PinMode mode) +{ + MBED_ASSERT(pin != (PinName)NC); + + uint32_t port_index = STM_PORT(pin); + uint32_t pin_index = STM_PIN(pin); + + // Enable GPIO clock + uint32_t gpio_add = Set_GPIO_Clock(port_index); + GPIO_TypeDef *gpio = (GPIO_TypeDef *)gpio_add; + + // Configure pull-up/pull-down resistors + uint32_t pupd = (uint32_t)mode; + if (pupd > 2) pupd = 0; // Open-drain = No pull-up/No pull-down + gpio->PUPDR &= (uint32_t)(~(GPIO_PUPDR_PUPDR0 << (pin_index * 2))); + gpio->PUPDR |= (uint32_t)(pupd << (pin_index * 2)); + +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/hal/TARGET_STM/TARGET_STM32F0/port_api.c Mon Feb 09 09:30:07 2015 +0000 @@ -0,0 +1,103 @@ +/* mbed Microcontroller Library + ******************************************************************************* + * Copyright (c) 2014, STMicroelectronics + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ******************************************************************************* + */ +#include "port_api.h" +#include "pinmap.h" +#include "gpio_api.h" +#include "mbed_error.h" + +#if DEVICE_PORTIN || DEVICE_PORTOUT + +extern uint32_t Set_GPIO_Clock(uint32_t port_idx); + +// high nibble = port number (0=A, 1=B, 2=C, 3=D, 4=E, 5=F, ...) +// low nibble = pin number +PinName port_pin(PortName port, int pin_n) +{ + return (PinName)(pin_n + (port << 4)); +} + +void port_init(port_t *obj, PortName port, int mask, PinDirection dir) +{ + uint32_t port_index = (uint32_t)port; + + // Enable GPIO clock + uint32_t gpio_add = Set_GPIO_Clock(port_index); + GPIO_TypeDef *gpio = (GPIO_TypeDef *)gpio_add; + + // Fill PORT object structure for future use + obj->port = port; + obj->mask = mask; + obj->direction = dir; + obj->reg_in = &gpio->IDR; + obj->reg_out = &gpio->ODR; + + port_dir(obj, dir); +} + +void port_dir(port_t *obj, PinDirection dir) +{ + uint32_t i; + obj->direction = dir; + for (i = 0; i < 16; i++) { // Process all pins + if (obj->mask & (1 << i)) { // If the pin is used + if (dir == PIN_OUTPUT) { + pin_function(port_pin(obj->port, i), STM_PIN_DATA(STM_MODE_OUTPUT_PP, GPIO_NOPULL, 0)); + } else { // PIN_INPUT + pin_function(port_pin(obj->port, i), STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); + } + } + } +} + +void port_mode(port_t *obj, PinMode mode) +{ + uint32_t i; + for (i = 0; i < 16; i++) { // Process all pins + if (obj->mask & (1 << i)) { // If the pin is used + pin_mode(port_pin(obj->port, i), mode); + } + } +} + +void port_write(port_t *obj, int value) +{ + *obj->reg_out = (*obj->reg_out & ~obj->mask) | (value & obj->mask); +} + +int port_read(port_t *obj) +{ + if (obj->direction == PIN_OUTPUT) { + return (*obj->reg_out & obj->mask); + } else { // PIN_INPUT + return (*obj->reg_in & obj->mask); + } +} + +#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/hal/TARGET_STM/TARGET_STM32F0/pwmout_api.c Mon Feb 09 09:30:07 2015 +0000 @@ -0,0 +1,262 @@ +/* mbed Microcontroller Library + ******************************************************************************* + * Copyright (c) 2014, STMicroelectronics + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ******************************************************************************* + */ +#include "pwmout_api.h" + +#if DEVICE_PWMOUT + +#include "cmsis.h" +#include "pinmap.h" +#include "mbed_error.h" +#include "PeripheralPins.h" + +static TIM_HandleTypeDef TimHandle; + +void pwmout_init(pwmout_t* obj, PinName pin) +{ + // Get the peripheral name from the pin and assign it to the object + obj->pwm = (PWMName)pinmap_peripheral(pin, PinMap_PWM); + + if (obj->pwm == (PWMName)NC) { + error("PWM error: pinout mapping failed."); + } + + // Enable TIM clock +#if defined(TIM1_BASE) + if (obj->pwm == PWM_1) __TIM1_CLK_ENABLE(); +#endif +#if defined(TIM2_BASE) + if (obj->pwm == PWM_2) __TIM2_CLK_ENABLE(); +#endif + if (obj->pwm == PWM_3) __TIM3_CLK_ENABLE(); + if (obj->pwm == PWM_14) __TIM14_CLK_ENABLE(); + if (obj->pwm == PWM_15) __TIM15_CLK_ENABLE(); + if (obj->pwm == PWM_16) __TIM16_CLK_ENABLE(); + if (obj->pwm == PWM_17) __TIM17_CLK_ENABLE(); + + // Configure GPIO + pinmap_pinout(pin, PinMap_PWM); + + obj->pin = pin; + obj->period = 0; + obj->pulse = 0; + + pwmout_period_us(obj, 20000); // 20 ms per default +} + +void pwmout_free(pwmout_t* obj) +{ + // Configure GPIO + pin_function(obj->pin, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); +} + +void pwmout_write(pwmout_t* obj, float value) +{ + TIM_OC_InitTypeDef sConfig; + int channel = 0; + int complementary_channel = 0; + + TimHandle.Instance = (TIM_TypeDef *)(obj->pwm); + + if (value < (float)0.0) { + value = 0.0; + } else if (value > (float)1.0) { + value = 1.0; + } + + obj->pulse = (uint32_t)((float)obj->period * value); + + // Configure channels + sConfig.OCMode = TIM_OCMODE_PWM1; + sConfig.Pulse = obj->pulse; + sConfig.OCPolarity = TIM_OCPOLARITY_HIGH; + sConfig.OCNPolarity = TIM_OCNPOLARITY_HIGH; + sConfig.OCFastMode = TIM_OCFAST_DISABLE; + sConfig.OCIdleState = TIM_OCIDLESTATE_RESET; + sConfig.OCNIdleState = TIM_OCNIDLESTATE_RESET; + +#if defined (TARGET_STM32F030R8) || defined (TARGET_STM32F051R8) + switch (obj->pin) { + // Channels 1 + case PA_4: + case PA_6: + case PB_1: + case PB_4: + case PB_8: + case PB_9: + case PB_14: + case PC_6: + channel = TIM_CHANNEL_1; + break; + // Channels 1N + case PB_6: + case PB_7: + channel = TIM_CHANNEL_1; + complementary_channel = 1; + break; + // Channels 2 + case PA_7: + case PB_5: + case PB_15: + case PC_7: + channel = TIM_CHANNEL_2; + break; + // Channels 3 + case PB_0: + case PC_8: + channel = TIM_CHANNEL_3; + break; + // Channels 4 + case PC_9: + channel = TIM_CHANNEL_4; + break; + default: + return; + } + +#else + switch (obj->pin) { + // Channels 1 + case PA_2: + case PA_4: + case PA_6: + case PA_7: + case PA_8: + case PB_1: + case PB_4: + case PB_8: + case PB_9: + case PB_14: + case PC_6: + channel = TIM_CHANNEL_1; + break; + // Channels 1N + case PA_1: + case PB_6: + case PB_7: + case PB_13: + channel = TIM_CHANNEL_1; + complementary_channel = 1; + break; + // Channels 2 + case PA_3: + case PA_9: + case PB_5: + case PB_15: + case PC_7: + channel = TIM_CHANNEL_2; + break; + // Channels 3 + case PA_10: + case PB_0: + case PC_8: + channel = TIM_CHANNEL_3; + break; + // Channels 4 + case PA_11: + case PC_9: + channel = TIM_CHANNEL_4; + break; + default: + return; + } + +#endif + + HAL_TIM_PWM_ConfigChannel(&TimHandle, &sConfig, channel); + + if (complementary_channel) { + HAL_TIMEx_PWMN_Start(&TimHandle, channel); + } else { + HAL_TIM_PWM_Start(&TimHandle, channel); + } +} + +float pwmout_read(pwmout_t* obj) +{ + float value = 0; + if (obj->period > 0) { + value = (float)(obj->pulse) / (float)(obj->period); + } + return ((value > (float)1.0) ? (float)(1.0) : (value)); +} + +void pwmout_period(pwmout_t* obj, float seconds) +{ + pwmout_period_us(obj, seconds * 1000000.0f); +} + +void pwmout_period_ms(pwmout_t* obj, int ms) +{ + pwmout_period_us(obj, ms * 1000); +} + +void pwmout_period_us(pwmout_t* obj, int us) +{ + TimHandle.Instance = (TIM_TypeDef *)(obj->pwm); + + float dc = pwmout_read(obj); + + __HAL_TIM_DISABLE(&TimHandle); + + // Update the SystemCoreClock variable + SystemCoreClockUpdate(); + + TimHandle.Init.Period = us - 1; + TimHandle.Init.Prescaler = (uint16_t)(SystemCoreClock / 1000000) - 1; // 1 µs tick + TimHandle.Init.ClockDivision = 0; + TimHandle.Init.CounterMode = TIM_COUNTERMODE_UP; + HAL_TIM_PWM_Init(&TimHandle); + + // Set duty cycle again + pwmout_write(obj, dc); + + // Save for future use + obj->period = us; + + __HAL_TIM_ENABLE(&TimHandle); +} + +void pwmout_pulsewidth(pwmout_t* obj, float seconds) +{ + pwmout_pulsewidth_us(obj, seconds * 1000000.0f); +} + +void pwmout_pulsewidth_ms(pwmout_t* obj, int ms) +{ + pwmout_pulsewidth_us(obj, ms * 1000); +} + +void pwmout_pulsewidth_us(pwmout_t* obj, int us) +{ + float value = (float)us / (float)obj->period; + pwmout_write(obj, value); +} + +#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/hal/TARGET_STM/TARGET_STM32F0/rtc_api.c Mon Feb 09 09:30:07 2015 +0000 @@ -0,0 +1,201 @@ +/* mbed Microcontroller Library + ******************************************************************************* + * Copyright (c) 2014, STMicroelectronics + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ******************************************************************************* + */ +#include "rtc_api.h" + +#if DEVICE_RTC + +#include "mbed_error.h" + +static int rtc_inited = 0; + +static RTC_HandleTypeDef RtcHandle; + +void rtc_init(void) +{ + RCC_OscInitTypeDef RCC_OscInitStruct; + uint32_t rtc_freq = 0; + + if (rtc_inited) return; + rtc_inited = 1; + + RtcHandle.Instance = RTC; + + // Enable Power clock + __PWR_CLK_ENABLE(); + + // Enable access to Backup domain + HAL_PWR_EnableBkUpAccess(); + + // Reset Backup domain + __HAL_RCC_BACKUPRESET_FORCE(); + __HAL_RCC_BACKUPRESET_RELEASE(); + + // Enable LSE Oscillator + RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSE; + RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE; // Mandatory, otherwise the PLL is reconfigured! + RCC_OscInitStruct.LSEState = RCC_LSE_ON; // External 32.768 kHz clock on OSC_IN/OSC_OUT + if (HAL_RCC_OscConfig(&RCC_OscInitStruct) == HAL_OK) { + // Connect LSE to RTC + __HAL_RCC_RTC_CONFIG(RCC_RTCCLKSOURCE_LSE); + rtc_freq = LSE_VALUE; + } else { + // Enable LSI clock + RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI | RCC_OSCILLATORTYPE_LSE; + RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE; // Mandatory, otherwise the PLL is reconfigured! + RCC_OscInitStruct.LSEState = RCC_LSE_OFF; + RCC_OscInitStruct.LSIState = RCC_LSI_ON; + if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) { + error("RTC error: LSI clock initialization failed."); + } + // Connect LSI to RTC + __HAL_RCC_RTC_CONFIG(RCC_RTCCLKSOURCE_LSI); + // This value is LSI typical value. To be measured precisely using a timer input capture for example. + rtc_freq = LSI_VALUE; + } + + // Enable RTC + __HAL_RCC_RTC_ENABLE(); + + RtcHandle.Init.HourFormat = RTC_HOURFORMAT_24; + RtcHandle.Init.AsynchPrediv = 127; + RtcHandle.Init.SynchPrediv = (rtc_freq / 128) - 1; + RtcHandle.Init.OutPut = RTC_OUTPUT_DISABLE; + RtcHandle.Init.OutPutPolarity = RTC_OUTPUT_POLARITY_HIGH; + RtcHandle.Init.OutPutType = RTC_OUTPUT_TYPE_OPENDRAIN; + + if (HAL_RTC_Init(&RtcHandle) != HAL_OK) { + error("RTC error: RTC initialization failed."); + } +} + +void rtc_free(void) +{ + // Enable Power clock + __PWR_CLK_ENABLE(); + + // Enable access to Backup domain + HAL_PWR_EnableBkUpAccess(); + + // Reset Backup domain + __HAL_RCC_BACKUPRESET_FORCE(); + __HAL_RCC_BACKUPRESET_RELEASE(); + + // Disable access to Backup domain + HAL_PWR_DisableBkUpAccess(); + + // Disable LSI and LSE clocks + RCC_OscInitTypeDef RCC_OscInitStruct; + RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI | RCC_OSCILLATORTYPE_LSE; + RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE; + RCC_OscInitStruct.LSIState = RCC_LSI_OFF; + RCC_OscInitStruct.LSEState = RCC_LSE_OFF; + HAL_RCC_OscConfig(&RCC_OscInitStruct); + + rtc_inited = 0; +} + +int rtc_isenabled(void) +{ + return rtc_inited; +} + +/* + RTC Registers + RTC_WeekDay 1=monday, 2=tuesday, ..., 7=sunday + RTC_Month 1=january, 2=february, ..., 12=december + RTC_Date day of the month 1-31 + RTC_Year year 0-99 + struct tm + tm_sec seconds after the minute 0-61 + tm_min minutes after the hour 0-59 + tm_hour hours since midnight 0-23 + tm_mday day of the month 1-31 + tm_mon months since January 0-11 + tm_year years since 1900 + tm_wday days since Sunday 0-6 + tm_yday days since January 1 0-365 + tm_isdst Daylight Saving Time flag +*/ +time_t rtc_read(void) +{ + RTC_DateTypeDef dateStruct; + RTC_TimeTypeDef timeStruct; + struct tm timeinfo; + + RtcHandle.Instance = RTC; + + // Read actual date and time + // Warning: the time must be read first! + HAL_RTC_GetTime(&RtcHandle, &timeStruct, FORMAT_BIN); + HAL_RTC_GetDate(&RtcHandle, &dateStruct, FORMAT_BIN); + + // Setup a tm structure based on the RTC + timeinfo.tm_wday = dateStruct.WeekDay; + timeinfo.tm_mon = dateStruct.Month - 1; + timeinfo.tm_mday = dateStruct.Date; + timeinfo.tm_year = dateStruct.Year + 100; + timeinfo.tm_hour = timeStruct.Hours; + timeinfo.tm_min = timeStruct.Minutes; + timeinfo.tm_sec = timeStruct.Seconds; + + // Convert to timestamp + time_t t = mktime(&timeinfo); + + return t; +} + +void rtc_write(time_t t) +{ + RTC_DateTypeDef dateStruct; + RTC_TimeTypeDef timeStruct; + + RtcHandle.Instance = RTC; + + // Convert the time into a tm + struct tm *timeinfo = localtime(&t); + + // Fill RTC structures + dateStruct.WeekDay = timeinfo->tm_wday; + dateStruct.Month = timeinfo->tm_mon + 1; + dateStruct.Date = timeinfo->tm_mday; + dateStruct.Year = timeinfo->tm_year - 100; + timeStruct.Hours = timeinfo->tm_hour; + timeStruct.Minutes = timeinfo->tm_min; + timeStruct.Seconds = timeinfo->tm_sec; + timeStruct.TimeFormat = RTC_HOURFORMAT12_PM; + timeStruct.DayLightSaving = RTC_DAYLIGHTSAVING_NONE; + timeStruct.StoreOperation = RTC_STOREOPERATION_RESET; + + // Change the RTC current date/time + HAL_RTC_SetDate(&RtcHandle, &dateStruct, FORMAT_BIN); + HAL_RTC_SetTime(&RtcHandle, &timeStruct, FORMAT_BIN); +} + +#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/hal/TARGET_STM/TARGET_STM32F0/serial_api.c Mon Feb 09 09:30:07 2015 +0000 @@ -0,0 +1,515 @@ +/* mbed Microcontroller Library + ******************************************************************************* + * Copyright (c) 2014, STMicroelectronics + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ******************************************************************************* + */ +#include "mbed_assert.h" +#include "serial_api.h" + +#if DEVICE_SERIAL + +#include "cmsis.h" +#include "pinmap.h" +#include <string.h> +#include "PeripheralPins.h" + +#if defined (TARGET_STM32F091RC) +#define UART_NUM (8) + +static uint32_t serial_irq_ids[UART_NUM] = {0, 0, 0, 0, 0, 0, 0, 0}; + +#elif defined (TARGET_STM32F030R8) || defined (TARGET_STM32F051R8) +#define UART_NUM (2) + +static uint32_t serial_irq_ids[UART_NUM] = {0, 0}; + +#else +#define UART_NUM (4) + +static uint32_t serial_irq_ids[UART_NUM] = {0, 0, 0, 0}; + +#endif + +static uart_irq_handler irq_handler; + +UART_HandleTypeDef UartHandle; + +int stdio_uart_inited = 0; +serial_t stdio_uart; + +static void init_uart(serial_t *obj) +{ + UartHandle.Instance = (USART_TypeDef *)(obj->uart); + + UartHandle.Init.BaudRate = obj->baudrate; + UartHandle.Init.WordLength = obj->databits; + UartHandle.Init.StopBits = obj->stopbits; + UartHandle.Init.Parity = obj->parity; + UartHandle.Init.HwFlowCtl = UART_HWCONTROL_NONE; + + if (obj->pin_rx == NC) { + UartHandle.Init.Mode = UART_MODE_TX; + } else if (obj->pin_tx == NC) { + UartHandle.Init.Mode = UART_MODE_RX; + } else { + UartHandle.Init.Mode = UART_MODE_TX_RX; + } + + // Disable the reception overrun detection + UartHandle.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_RXOVERRUNDISABLE_INIT; + UartHandle.AdvancedInit.OverrunDisable = UART_ADVFEATURE_OVERRUN_DISABLE; + + HAL_UART_Init(&UartHandle); +} + +void serial_init(serial_t *obj, PinName tx, PinName rx) +{ + // Determine the UART to use (UART_1, UART_2, ...) + UARTName uart_tx = (UARTName)pinmap_peripheral(tx, PinMap_UART_TX); + UARTName uart_rx = (UARTName)pinmap_peripheral(rx, PinMap_UART_RX); + + // Get the peripheral name (UART_1, UART_2, ...) from the pin and assign it to the object + obj->uart = (UARTName)pinmap_merge(uart_tx, uart_rx); + MBED_ASSERT(obj->uart != (UARTName)NC); + + // Enable USART clock + if (obj->uart == UART_1) { + __USART1_CLK_ENABLE(); + obj->index = 0; + } + + if (obj->uart == UART_2) { + __USART2_CLK_ENABLE(); + obj->index = 1; + } + +#if defined USART3_BASE + if (obj->uart == UART_3) { + __USART3_CLK_ENABLE(); + obj->index = 2; + } +#endif + +#if defined USART4_BASE + if (obj->uart == UART_4) { + __USART4_CLK_ENABLE(); + obj->index = 3; + } +#endif + +#if defined USART5_BASE + if (obj->uart == UART_5) { + __USART5_CLK_ENABLE(); + obj->index = 4; + } +#endif + +#if defined USART6_BASE + if (obj->uart == UART_6) { + __USART6_CLK_ENABLE(); + obj->index = 5; + } +#endif + +#if defined USART7_BASE + if (obj->uart == UART_7) { + __USART7_CLK_ENABLE(); + obj->index = 6; + } +#endif + +#if defined USART8_BASE + if (obj->uart == UART_8) { + __USART8_CLK_ENABLE(); + obj->index = 7; + } +#endif + + // Configure the UART pins + pinmap_pinout(tx, PinMap_UART_TX); + pinmap_pinout(rx, PinMap_UART_RX); + if (tx != NC) { + pin_mode(tx, PullUp); + } + if (rx != NC) { + pin_mode(rx, PullUp); + } + + // Configure UART + obj->baudrate = 9600; + obj->databits = UART_WORDLENGTH_8B; + obj->stopbits = UART_STOPBITS_1; + obj->parity = UART_PARITY_NONE; + + obj->pin_tx = tx; + obj->pin_rx = rx; + + init_uart(obj); + + // For stdio management + if (obj->uart == STDIO_UART) { + stdio_uart_inited = 1; + memcpy(&stdio_uart, obj, sizeof(serial_t)); + } +} + +void serial_free(serial_t *obj) +{ + // Reset UART and disable clock + if (obj->uart == UART_1) { + __USART1_FORCE_RESET(); + __USART1_RELEASE_RESET(); + __USART1_CLK_DISABLE(); + } + + if (obj->uart == UART_2) { + __USART2_FORCE_RESET(); + __USART2_RELEASE_RESET(); + __USART2_CLK_DISABLE(); + } + +#if defined USART3_BASE + if (obj->uart == UART_3) { + __USART3_FORCE_RESET(); + __USART3_RELEASE_RESET(); + __USART3_CLK_DISABLE(); + } +#endif + +#if defined USART4_BASE + if (obj->uart == UART_4) { + __USART4_FORCE_RESET(); + __USART4_RELEASE_RESET(); + __USART4_CLK_DISABLE(); + } +#endif + +#if defined USART5_BASE + if (obj->uart == UART_5) { + __USART5_FORCE_RESET(); + __USART5_RELEASE_RESET(); + __USART5_CLK_DISABLE(); + } +#endif + +#if defined USART6_BASE + if (obj->uart == UART_6) { + __USART6_FORCE_RESET(); + __USART6_RELEASE_RESET(); + __USART6_CLK_DISABLE(); + } +#endif + +#if defined USART7_BASE + if (obj->uart == UART_7) { + __USART7_FORCE_RESET(); + __USART7_RELEASE_RESET(); + __USART7_CLK_DISABLE(); + } +#endif + +#if defined USART8_BASE + if (obj->uart == UART_8) { + __USART8_FORCE_RESET(); + __USART8_RELEASE_RESET(); + __USART8_CLK_DISABLE(); + } +#endif + + + // Configure GPIOs + pin_function(obj->pin_tx, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); + pin_function(obj->pin_rx, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); + + serial_irq_ids[obj->index] = 0; +} + +void serial_baud(serial_t *obj, int baudrate) +{ + obj->baudrate = baudrate; + init_uart(obj); +} + +void serial_format(serial_t *obj, int data_bits, SerialParity parity, int stop_bits) +{ + if (data_bits == 9) { + obj->databits = UART_WORDLENGTH_9B; + } else { + obj->databits = UART_WORDLENGTH_8B; + } + + switch (parity) { + case ParityOdd: + case ParityForced0: + obj->parity = UART_PARITY_ODD; + break; + case ParityEven: + case ParityForced1: + obj->parity = UART_PARITY_EVEN; + break; + default: // ParityNone + obj->parity = UART_PARITY_NONE; + break; + } + + if (stop_bits == 2) { + obj->stopbits = UART_STOPBITS_2; + } else { + obj->stopbits = UART_STOPBITS_1; + } + + init_uart(obj); +} + +/****************************************************************************** + * INTERRUPTS HANDLING + ******************************************************************************/ + +static void uart_irq(UARTName name, int id) +{ + UartHandle.Instance = (USART_TypeDef *)name; + if (serial_irq_ids[id] != 0) { + if (__HAL_UART_GET_FLAG(&UartHandle, UART_FLAG_TC) != RESET) { + irq_handler(serial_irq_ids[id], TxIrq); + __HAL_UART_CLEAR_IT(&UartHandle, UART_FLAG_TC); + } + if (__HAL_UART_GET_FLAG(&UartHandle, UART_FLAG_RXNE) != RESET) { + irq_handler(serial_irq_ids[id], RxIrq); + volatile uint32_t tmpval = UartHandle.Instance->RDR; // Clear RXNE bit + } + } +} + +static void uart1_irq(void) +{ + uart_irq(UART_1, 0); +} + +static void uart2_irq(void) +{ + uart_irq(UART_2, 1); +} + +#if defined USART3_BASE +static void uart3_irq(void) +{ + uart_irq(UART_3, 2); +} +#endif + +#if defined USART4_BASE +static void uart4_irq(void) +{ + uart_irq(UART_4, 3); +} +#endif + +#if defined USART5_BASE +static void uart5_irq(void) +{ + uart_irq(UART_5, 4); +} +#endif + +#if defined USART6_BASE +static void uart6_irq(void) +{ + uart_irq(UART_6, 5); +} +#endif + +#if defined USART7_BASE +static void uart7_irq(void) +{ + uart_irq(UART_7, 6); +} +#endif + +#if defined USART8_BASE +static void uart8_irq(void) +{ + uart_irq(UART_8, 7); +} +#endif + +void serial_irq_handler(serial_t *obj, uart_irq_handler handler, uint32_t id) +{ + irq_handler = handler; + serial_irq_ids[obj->index] = id; +} + +void serial_irq_set(serial_t *obj, SerialIrq irq, uint32_t enable) +{ + IRQn_Type irq_n = (IRQn_Type)0; + uint32_t vector = 0; + + UartHandle.Instance = (USART_TypeDef *)(obj->uart); + + if (obj->uart == UART_1) { + irq_n = USART1_IRQn; + vector = (uint32_t)&uart1_irq; + } + + if (obj->uart == UART_2) { + irq_n = USART2_IRQn; + vector = (uint32_t)&uart2_irq; + } + +#if defined (TARGET_STM32F091RC) + if (obj->uart == UART_3) { + irq_n = USART3_8_IRQn; + vector = (uint32_t)&uart3_irq; + } + + if (obj->uart == UART_4) { + irq_n = USART3_8_IRQn; + vector = (uint32_t)&uart4_irq; + } + + if (obj->uart == UART_5) { + irq_n = USART3_8_IRQn; + vector = (uint32_t)&uart5_irq; + } + + if (obj->uart == UART_6) { + irq_n = USART3_8_IRQn; + vector = (uint32_t)&uart6_irq; + } + + if (obj->uart == UART_7) { + irq_n = USART3_8_IRQn; + vector = (uint32_t)&uart7_irq; + } + + if (obj->uart == UART_8) { + irq_n = USART3_8_IRQn; + vector = (uint32_t)&uart8_irq; + } + +#elif defined (TARGET_STM32F030R8) || defined (TARGET_STM32F051R8) + +#else + if (obj->uart == UART_3) { + irq_n = USART3_4_IRQn; + vector = (uint32_t)&uart3_irq; + } + + if (obj->uart == UART_4) { + irq_n = USART3_4_IRQn; + vector = (uint32_t)&uart4_irq; + } +#endif + + if (enable) { + + if (irq == RxIrq) { + __HAL_UART_ENABLE_IT(&UartHandle, UART_IT_RXNE); + } else { // TxIrq + __HAL_UART_ENABLE_IT(&UartHandle, UART_IT_TC); + } + + NVIC_SetVector(irq_n, vector); + NVIC_EnableIRQ(irq_n); + + } else { // disable + + int all_disabled = 0; + + if (irq == RxIrq) { + __HAL_UART_DISABLE_IT(&UartHandle, UART_IT_RXNE); + // Check if TxIrq is disabled too + if ((UartHandle.Instance->CR1 & USART_CR1_TCIE) == 0) all_disabled = 1; + } else { // TxIrq + __HAL_UART_DISABLE_IT(&UartHandle, UART_IT_TC); + // Check if RxIrq is disabled too + if ((UartHandle.Instance->CR1 & USART_CR1_RXNEIE) == 0) all_disabled = 1; + } + + if (all_disabled) NVIC_DisableIRQ(irq_n); + + } +} + +/****************************************************************************** + * READ/WRITE + ******************************************************************************/ + +int serial_getc(serial_t *obj) +{ + USART_TypeDef *uart = (USART_TypeDef *)(obj->uart); + while (!serial_readable(obj)); + return (int)(uart->RDR & (uint16_t)0xFF); +} + +void serial_putc(serial_t *obj, int c) +{ + USART_TypeDef *uart = (USART_TypeDef *)(obj->uart); + while (!serial_writable(obj)); + uart->TDR = (uint32_t)(c & (uint16_t)0xFF); +} + +int serial_readable(serial_t *obj) +{ + int status; + UartHandle.Instance = (USART_TypeDef *)(obj->uart); + // Check if data is received + status = ((__HAL_UART_GET_FLAG(&UartHandle, UART_FLAG_RXNE) != RESET) ? 1 : 0); + return status; +} + +int serial_writable(serial_t *obj) +{ + int status; + UartHandle.Instance = (USART_TypeDef *)(obj->uart); + // Check if data is transmitted + status = ((__HAL_UART_GET_FLAG(&UartHandle, UART_FLAG_TXE) != RESET) ? 1 : 0); + return status; +} + +void serial_clear(serial_t *obj) +{ + UartHandle.Instance = (USART_TypeDef *)(obj->uart); + __HAL_UART_CLEAR_IT(&UartHandle, UART_FLAG_TC); + __HAL_UART_SEND_REQ(&UartHandle, UART_RXDATA_FLUSH_REQUEST); +} + +void serial_pinout_tx(PinName tx) +{ + pinmap_pinout(tx, PinMap_UART_TX); +} + +void serial_break_set(serial_t *obj) +{ + // [TODO] +} + +void serial_break_clear(serial_t *obj) +{ + // [TODO] +} + +#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/hal/TARGET_STM/TARGET_STM32F0/sleep.c Mon Feb 09 09:30:07 2015 +0000 @@ -0,0 +1,107 @@ +/* mbed Microcontroller Library + ******************************************************************************* + * Copyright (c) 2014, STMicroelectronics + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ******************************************************************************* + */ +#include "sleep_api.h" + +#if DEVICE_SLEEP + +#include "cmsis.h" + +#if defined(TARGET_STM32F070RB) +void sleep(void) +{ + TIM_HandleTypeDef TimMasterHandle; + + TimMasterHandle.Instance = TIM1; + + // Disable HAL tick and us_ticker update interrupts + __HAL_TIM_DISABLE_IT(&TimMasterHandle, (TIM_IT_CC2 | TIM_IT_UPDATE)); + + // Request to enter SLEEP mode + HAL_PWR_EnterSLEEPMode(PWR_MAINREGULATOR_ON, PWR_SLEEPENTRY_WFI); + + // Enable HAL tick and us_ticker update interrupts + __HAL_TIM_ENABLE_IT(&TimMasterHandle, (TIM_IT_CC2 | TIM_IT_UPDATE)); +} + +#elif defined(TARGET_STM32F030R8) || defined (TARGET_STM32F051R8) +void sleep(void) +{ + // Stop HAL systick + HAL_SuspendTick(); + // Request to enter SLEEP mode + HAL_PWR_EnterSLEEPMode(PWR_MAINREGULATOR_ON, PWR_SLEEPENTRY_WFI); + // Restart HAL systick + HAL_ResumeTick(); +} + +#else +static TIM_HandleTypeDef TimMasterHandle; + +void sleep(void) +{ + TimMasterHandle.Instance = TIM2; + + // Disable HAL tick interrupt + __HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC2); + + // Request to enter SLEEP mode + HAL_PWR_EnterSLEEPMode(PWR_MAINREGULATOR_ON, PWR_SLEEPENTRY_WFI); + + // Enable HAL tick interrupt + __HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2); +} +#endif + +#if defined(TARGET_STM32F030R8) || defined (TARGET_STM32F051R8) +void deepsleep(void) +{ + // Request to enter STOP mode with regulator in low power mode + HAL_PWR_EnterSTOPMode(PWR_LOWPOWERREGULATOR_ON, PWR_STOPENTRY_WFI); + + HAL_InitTick(TICK_INT_PRIORITY); + + // After wake-up from STOP reconfigure the PLL + SetSysClock(); + + HAL_InitTick(TICK_INT_PRIORITY); +} + +#else +void deepsleep(void) +{ + // Request to enter STOP mode with regulator in low power mode + HAL_PWR_EnterSTOPMode(PWR_LOWPOWERREGULATOR_ON, PWR_STOPENTRY_WFI); + + // After wake-up from STOP reconfigure the PLL + SetSysClock(); +} +#endif + +#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/hal/TARGET_STM/TARGET_STM32F0/spi_api.c Mon Feb 09 09:30:07 2015 +0000 @@ -0,0 +1,298 @@ +/* mbed Microcontroller Library + ******************************************************************************* + * Copyright (c) 2014, STMicroelectronics + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ******************************************************************************* + */ +#include "mbed_assert.h" +#include "spi_api.h" + +#if DEVICE_SPI + +#include <math.h> +#include "cmsis.h" +#include "pinmap.h" +#include "PeripheralPins.h" + +static SPI_HandleTypeDef SpiHandle; + +static void init_spi(spi_t *obj) +{ + SpiHandle.Instance = (SPI_TypeDef *)(obj->spi); + + __HAL_SPI_DISABLE(&SpiHandle); + + SpiHandle.Init.Mode = obj->mode; + SpiHandle.Init.BaudRatePrescaler = obj->br_presc; + SpiHandle.Init.Direction = SPI_DIRECTION_2LINES; + SpiHandle.Init.CLKPhase = obj->cpha; + SpiHandle.Init.CLKPolarity = obj->cpol; + SpiHandle.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLED; + SpiHandle.Init.CRCPolynomial = 7; + SpiHandle.Init.DataSize = obj->bits; + SpiHandle.Init.FirstBit = SPI_FIRSTBIT_MSB; + SpiHandle.Init.NSS = obj->nss; + SpiHandle.Init.TIMode = SPI_TIMODE_DISABLED; + + HAL_SPI_Init(&SpiHandle); + + __HAL_SPI_ENABLE(&SpiHandle); +} + +void spi_init(spi_t *obj, PinName mosi, PinName miso, PinName sclk, PinName ssel) +{ + // Determine the SPI to use + SPIName spi_mosi = (SPIName)pinmap_peripheral(mosi, PinMap_SPI_MOSI); + SPIName spi_miso = (SPIName)pinmap_peripheral(miso, PinMap_SPI_MISO); + SPIName spi_sclk = (SPIName)pinmap_peripheral(sclk, PinMap_SPI_SCLK); + SPIName spi_ssel = (SPIName)pinmap_peripheral(ssel, PinMap_SPI_SSEL); + + SPIName spi_data = (SPIName)pinmap_merge(spi_mosi, spi_miso); + SPIName spi_cntl = (SPIName)pinmap_merge(spi_sclk, spi_ssel); + + obj->spi = (SPIName)pinmap_merge(spi_data, spi_cntl); + MBED_ASSERT(obj->spi != (SPIName)NC); + + // Enable SPI clock + if (obj->spi == SPI_1) { + __SPI1_CLK_ENABLE(); + } + if (obj->spi == SPI_2) { + __SPI2_CLK_ENABLE(); + } + + // Configure the SPI pins + pinmap_pinout(mosi, PinMap_SPI_MOSI); + pinmap_pinout(miso, PinMap_SPI_MISO); + pinmap_pinout(sclk, PinMap_SPI_SCLK); + + // Save new values + obj->bits = SPI_DATASIZE_8BIT; + obj->cpol = SPI_POLARITY_LOW; + obj->cpha = SPI_PHASE_1EDGE; + obj->br_presc = SPI_BAUDRATEPRESCALER_256; + + obj->pin_miso = miso; + obj->pin_mosi = mosi; + obj->pin_sclk = sclk; + obj->pin_ssel = ssel; + + if (ssel == NC) { // SW NSS Master mode + obj->mode = SPI_MODE_MASTER; + obj->nss = SPI_NSS_SOFT; + } else { // Slave + pinmap_pinout(ssel, PinMap_SPI_SSEL); + obj->mode = SPI_MODE_SLAVE; + obj->nss = SPI_NSS_HARD_INPUT; + } + + init_spi(obj); +} + +void spi_free(spi_t *obj) +{ + // Reset SPI and disable clock + if (obj->spi == SPI_1) { + __SPI1_FORCE_RESET(); + __SPI1_RELEASE_RESET(); + __SPI1_CLK_DISABLE(); + } + + if (obj->spi == SPI_2) { + __SPI2_FORCE_RESET(); + __SPI2_RELEASE_RESET(); + __SPI2_CLK_DISABLE(); + } + + // Configure GPIOs + pin_function(obj->pin_miso, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); + pin_function(obj->pin_mosi, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); + pin_function(obj->pin_sclk, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); + pin_function(obj->pin_ssel, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); +} + +void spi_format(spi_t *obj, int bits, int mode, int slave) +{ + // Save new values + if (bits == 16) { + obj->bits = SPI_DATASIZE_16BIT; + } else { + obj->bits = SPI_DATASIZE_8BIT; + } + + switch (mode) { + case 0: + obj->cpol = SPI_POLARITY_LOW; + obj->cpha = SPI_PHASE_1EDGE; + break; + case 1: + obj->cpol = SPI_POLARITY_LOW; + obj->cpha = SPI_PHASE_2EDGE; + break; + case 2: + obj->cpol = SPI_POLARITY_HIGH; + obj->cpha = SPI_PHASE_1EDGE; + break; + default: + obj->cpol = SPI_POLARITY_HIGH; + obj->cpha = SPI_PHASE_2EDGE; + break; + } + + if (slave == 0) { + obj->mode = SPI_MODE_MASTER; + obj->nss = SPI_NSS_SOFT; + } else { + obj->mode = SPI_MODE_SLAVE; + obj->nss = SPI_NSS_HARD_INPUT; + } + + init_spi(obj); +} + +void spi_frequency(spi_t *obj, int hz) +{ + // Note: The frequencies are obtained with SPI clock = 48 MHz (APB clock) + if (hz < 375000) { + obj->br_presc = SPI_BAUDRATEPRESCALER_256; // 188 kHz + } else if ((hz >= 375000) && (hz < 750000)) { + obj->br_presc = SPI_BAUDRATEPRESCALER_128; // 375 kHz + } else if ((hz >= 750000) && (hz < 1000000)) { + obj->br_presc = SPI_BAUDRATEPRESCALER_64; // 750 kHz + } else if ((hz >= 1000000) && (hz < 3000000)) { + obj->br_presc = SPI_BAUDRATEPRESCALER_32; // 1.5 MHz + } else if ((hz >= 3000000) && (hz < 6000000)) { + obj->br_presc = SPI_BAUDRATEPRESCALER_16; // 3 MHz + } else if ((hz >= 6000000) && (hz < 12000000)) { + obj->br_presc = SPI_BAUDRATEPRESCALER_8; // 6 MHz + } else if ((hz >= 12000000) && (hz < 24000000)) { + obj->br_presc = SPI_BAUDRATEPRESCALER_4; // 12 MHz + } else { // >= 24000000 + obj->br_presc = SPI_BAUDRATEPRESCALER_2; // 24 MHz + } + + init_spi(obj); +} + +static inline int ssp_readable(spi_t *obj) +{ + int status; + SpiHandle.Instance = (SPI_TypeDef *)(obj->spi); + // Check if data is received + status = ((__HAL_SPI_GET_FLAG(&SpiHandle, SPI_FLAG_RXNE) != RESET) ? 1 : 0); + return status; +} + +static inline int ssp_writeable(spi_t *obj) +{ + int status; + SpiHandle.Instance = (SPI_TypeDef *)(obj->spi); + // Check if data is transmitted + status = ((__HAL_SPI_GET_FLAG(&SpiHandle, SPI_FLAG_TXE) != RESET) ? 1 : 0); + return status; +} + +static inline void ssp_write(spi_t *obj, int value) +{ + SPI_TypeDef *spi = (SPI_TypeDef *)(obj->spi); + while (!ssp_writeable(obj)); + if (obj->bits == SPI_DATASIZE_8BIT) { + // Force 8-bit access to the data register + uint8_t *p_spi_dr = 0; + p_spi_dr = (uint8_t *) & (spi->DR); + *p_spi_dr = (uint8_t)value; + } else { // SPI_DATASIZE_16BIT + spi->DR = (uint16_t)value; + } +} + +static inline int ssp_read(spi_t *obj) +{ + SPI_TypeDef *spi = (SPI_TypeDef *)(obj->spi); + while (!ssp_readable(obj)); + if (obj->bits == SPI_DATASIZE_8BIT) { + // Force 8-bit access to the data register + uint8_t *p_spi_dr = 0; + p_spi_dr = (uint8_t *) & (spi->DR); + return (int)(*p_spi_dr); + } else { + return (int)spi->DR; + } +} + +static inline int ssp_busy(spi_t *obj) +{ + int status; + SpiHandle.Instance = (SPI_TypeDef *)(obj->spi); + status = ((__HAL_SPI_GET_FLAG(&SpiHandle, SPI_FLAG_BSY) != RESET) ? 1 : 0); + return status; +} + +int spi_master_write(spi_t *obj, int value) +{ + ssp_write(obj, value); + return ssp_read(obj); +} + +int spi_slave_receive(spi_t *obj) +{ + return ((ssp_readable(obj) && !ssp_busy(obj)) ? 1 : 0); +}; + +int spi_slave_read(spi_t *obj) +{ + SPI_TypeDef *spi = (SPI_TypeDef *)(obj->spi); + while (!ssp_readable(obj)); + if (obj->bits == SPI_DATASIZE_8BIT) { + // Force 8-bit access to the data register + uint8_t *p_spi_dr = 0; + p_spi_dr = (uint8_t *) & (spi->DR); + return (int)(*p_spi_dr); + } else { + return (int)spi->DR; + } +} + +void spi_slave_write(spi_t *obj, int value) +{ + SPI_TypeDef *spi = (SPI_TypeDef *)(obj->spi); + while (!ssp_writeable(obj)); + if (obj->bits == SPI_DATASIZE_8BIT) { + // Force 8-bit access to the data register + uint8_t *p_spi_dr = 0; + p_spi_dr = (uint8_t *) & (spi->DR); + *p_spi_dr = (uint8_t)value; + } else { // SPI_DATASIZE_16BIT + spi->DR = (uint16_t)value; + } +} + +int spi_busy(spi_t *obj) +{ + return ssp_busy(obj); +} + +#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/hal/TARGET_STM/TARGET_STM32F0/us_ticker.c Mon Feb 09 09:30:07 2015 +0000 @@ -0,0 +1,309 @@ +/* mbed Microcontroller Library + * Copyright (c) 2014, STMicroelectronics + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ +#include <stddef.h> +#include "us_ticker_api.h" +#include "PeripheralNames.h" + +#if defined(TARGET_STM32F070RB) + +// Timer selection +#define TIM_MST TIM1 + +static TIM_HandleTypeDef TimMasterHandle; +static int us_ticker_inited = 0; + +volatile uint32_t SlaveCounter = 0; +volatile uint32_t oc_int_part = 0; +volatile uint16_t oc_rem_part = 0; + +void set_compare(uint16_t count) +{ + TimMasterHandle.Instance = TIM_MST; + // Set new output compare value + __HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_1, count); + // Enable IT + __HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC1); +} + +void us_ticker_init(void) +{ + if (us_ticker_inited) return; + us_ticker_inited = 1; + + HAL_InitTick(0); // The passed value is not used +} + +uint32_t us_ticker_read() +{ + uint32_t counter, counter2; + if (!us_ticker_inited) us_ticker_init(); + // A situation might appear when Master overflows right after Slave is read and before the + // new (overflowed) value of Master is read. Which would make the code below consider the + // previous (incorrect) value of Slave and the new value of Master, which would return a + // value in the past. Avoid this by computing consecutive values of the timer until they + // are properly ordered. + counter = (uint32_t)(SlaveCounter << 16); + counter += TIM_MST->CNT; + while (1) { + counter2 = (uint32_t)(SlaveCounter << 16); + counter2 += TIM_MST->CNT; + if (counter2 > counter) { + break; + } + counter = counter2; + } + return counter2; +} + +void us_ticker_set_interrupt(timestamp_t timestamp) +{ + int delta = (int)((uint32_t)timestamp - us_ticker_read()); + uint16_t cval = TIM_MST->CNT; + + if (delta <= 0) { // This event was in the past + us_ticker_irq_handler(); + } else { + oc_int_part = (uint32_t)(delta >> 16); + oc_rem_part = (uint16_t)(delta & 0xFFFF); + if (oc_rem_part <= (0xFFFF - cval)) { + set_compare(cval + oc_rem_part); + oc_rem_part = 0; + } else { + set_compare(0xFFFF); + oc_rem_part = oc_rem_part - (0xFFFF - cval); + } + } +} + +void us_ticker_disable_interrupt(void) +{ + TimMasterHandle.Instance = TIM_MST; + __HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC1); +} + +void us_ticker_clear_interrupt(void) +{ + TimMasterHandle.Instance = TIM_MST; + if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC1) == SET) { + __HAL_TIM_CLEAR_FLAG(&TimMasterHandle, TIM_FLAG_CC1); + } +} + +#elif defined(TARGET_STM32F030R8) || defined (TARGET_STM32F051R8) + +// Timer selection: +#define TIM_MST TIM1 +#define TIM_MST_UP_IRQ TIM1_BRK_UP_TRG_COM_IRQn +#define TIM_MST_OC_IRQ TIM1_CC_IRQn +#define TIM_MST_RCC __TIM1_CLK_ENABLE() + +static TIM_HandleTypeDef TimMasterHandle; + + +static int us_ticker_inited = 0; +static volatile uint32_t SlaveCounter = 0; +static volatile uint32_t oc_int_part = 0; +static volatile uint16_t oc_rem_part = 0; + +void set_compare(uint16_t count) +{ + TimMasterHandle.Instance = TIM_MST; + + // Set new output compare value + __HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_1, count); + // Enable IT + __HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC1); +} + +// Used to increment the slave counter +static void tim_update_irq_handler(void) +{ + TimMasterHandle.Instance = TIM_MST; + + // Clear Update interrupt flag + if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_UPDATE) == SET) { + __HAL_TIM_CLEAR_FLAG(&TimMasterHandle, TIM_FLAG_UPDATE); + SlaveCounter++; + } +} + +// Used by interrupt system +static void tim_oc_irq_handler(void) +{ + uint16_t cval = TIM_MST->CNT; + TimMasterHandle.Instance = TIM_MST; + + // Clear CC1 interrupt flag + if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC1) == SET) { + __HAL_TIM_CLEAR_FLAG(&TimMasterHandle, TIM_FLAG_CC1); + } + if (oc_rem_part > 0) { + set_compare(oc_rem_part); // Finish the remaining time left + oc_rem_part = 0; + } else { + if (oc_int_part > 0) { + set_compare(0xFFFF); + oc_rem_part = cval; // To finish the counter loop the next time + oc_int_part--; + } else { + us_ticker_irq_handler(); + } + } + +} + +void us_ticker_init(void) +{ + + if (us_ticker_inited) return; + us_ticker_inited = 1; + + // Enable timer clock + TIM_MST_RCC; + + // Configure time base + TimMasterHandle.Instance = TIM_MST; + TimMasterHandle.Init.Period = 0xFFFF; + TimMasterHandle.Init.Prescaler = (uint32_t)(SystemCoreClock / 1000000) - 1; // 1 �s tick + TimMasterHandle.Init.ClockDivision = 0; + TimMasterHandle.Init.CounterMode = TIM_COUNTERMODE_UP; + HAL_TIM_Base_Init(&TimMasterHandle); + + // Configure interrupts + __HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_UPDATE); + + // Update interrupt used for 32-bit counter + NVIC_SetVector(TIM_MST_UP_IRQ, (uint32_t)tim_update_irq_handler); + NVIC_EnableIRQ(TIM_MST_UP_IRQ); + + // Output compare interrupt used for timeout feature + NVIC_SetVector(TIM_MST_OC_IRQ, (uint32_t)tim_oc_irq_handler); + NVIC_EnableIRQ(TIM_MST_OC_IRQ); + + // Enable timer + HAL_TIM_Base_Start(&TimMasterHandle); +} + +uint32_t us_ticker_read() +{ + uint32_t counter, counter2; + if (!us_ticker_inited) us_ticker_init(); + // A situation might appear when Master overflows right after Slave is read and before the + // new (overflowed) value of Master is read. Which would make the code below consider the + // previous (incorrect) value of Slave and the new value of Master, which would return a + // value in the past. Avoid this by computing consecutive values of the timer until they + // are properly ordered. + counter = (uint32_t)(SlaveCounter << 16); + counter += TIM_MST->CNT; + while (1) { + counter2 = (uint32_t)(SlaveCounter << 16); + counter2 += TIM_MST->CNT; + if (counter2 > counter) { + break; + } + counter = counter2; + } + return counter2; +} + +void us_ticker_set_interrupt(timestamp_t timestamp) +{ + int delta = (int)((uint32_t)timestamp - us_ticker_read()); + uint16_t cval = TIM_MST->CNT; + + if (delta <= 0) { // This event was in the past + us_ticker_irq_handler(); + } else { + oc_int_part = (uint32_t)(delta >> 16); + oc_rem_part = (uint16_t)(delta & 0xFFFF); + if (oc_rem_part <= (0xFFFF - cval)) { + set_compare(cval + oc_rem_part); + oc_rem_part = 0; + } else { + set_compare(0xFFFF); + oc_rem_part = oc_rem_part - (0xFFFF - cval); + } + } +} + +void us_ticker_disable_interrupt(void) +{ + TimMasterHandle.Instance = TIM_MST; + __HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC1); +} + +void us_ticker_clear_interrupt(void) +{ + TimMasterHandle.Instance = TIM_MST; + if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC1) == SET) { + __HAL_TIM_CLEAR_FLAG(&TimMasterHandle, TIM_FLAG_CC1); + } +} + +#else + +// 32-bit timer selection +#define TIM_MST TIM2 + +static TIM_HandleTypeDef TimMasterHandle; +static int us_ticker_inited = 0; + +void us_ticker_init(void) +{ + if (us_ticker_inited) return; + us_ticker_inited = 1; + + TimMasterHandle.Instance = TIM_MST; + + HAL_InitTick(0); // The passed value is not used +} + +uint32_t us_ticker_read() +{ + if (!us_ticker_inited) us_ticker_init(); + return TIM_MST->CNT; +} + +void us_ticker_set_interrupt(timestamp_t timestamp) +{ + // Set new output compare value + __HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_1, (uint32_t)timestamp); + // Enable IT + __HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC1); +} + +void us_ticker_disable_interrupt(void) +{ + __HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC1); +} + +void us_ticker_clear_interrupt(void) +{ + __HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC1); +} +#endif