Changes to support running on smaller memory LPC device LPC1764
Fork of mbed-dev by
Diff: targets/hal/TARGET_STM/TARGET_STM32F3/pinmap.c
- Revision:
- 144:ef7eb2e8f9f7
- Parent:
- 0:9b334a45a8ff
- Child:
- 147:30b64687e01f
--- a/targets/hal/TARGET_STM/TARGET_STM32F3/pinmap.c Tue Aug 02 14:07:36 2016 +0000 +++ b/targets/hal/TARGET_STM/TARGET_STM32F3/pinmap.c Fri Sep 02 15:07:44 2016 +0100 @@ -1,145 +1,145 @@ -/* 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 -// Warning: the elements order must be the same as the one defined in PinNames.h -static const uint32_t gpio_mode[13] = { - GPIO_MODE_INPUT, // 0 = STM_MODE_INPUT - GPIO_MODE_OUTPUT_PP, // 1 = STM_MODE_OUTPUT_PP - GPIO_MODE_OUTPUT_OD, // 2 = STM_MODE_OUTPUT_OD - GPIO_MODE_AF_PP, // 3 = STM_MODE_AF_PP - GPIO_MODE_AF_OD, // 4 = STM_MODE_AF_OD - GPIO_MODE_ANALOG, // 5 = STM_MODE_ANALOG - GPIO_MODE_IT_RISING, // 6 = STM_MODE_IT_RISING - GPIO_MODE_IT_FALLING, // 7 = STM_MODE_IT_FALLING - GPIO_MODE_IT_RISING_FALLING, // 8 = STM_MODE_IT_RISING_FALLING - GPIO_MODE_EVT_RISING, // 9 = STM_MODE_EVT_RISING - GPIO_MODE_EVT_FALLING, // 10 = STM_MODE_EVT_FALLING - GPIO_MODE_EVT_RISING_FALLING, // 11 = STM_MODE_EVT_RISING_FALLING - 0x10000000 // 12 = STM_MODE_IT_EVT_RESET (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; -#if defined(GPIOE_BASE) - case PortE: - gpio_add = GPIOE_BASE; - __GPIOE_CLK_ENABLE(); - break; -#endif - 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 JTAG-DP + SW-DP signals. - // Warning: Need to reconnect under reset - //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)); -} +/* 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 +// Warning: the elements order must be the same as the one defined in PinNames.h +static const uint32_t gpio_mode[13] = { + GPIO_MODE_INPUT, // 0 = STM_MODE_INPUT + GPIO_MODE_OUTPUT_PP, // 1 = STM_MODE_OUTPUT_PP + GPIO_MODE_OUTPUT_OD, // 2 = STM_MODE_OUTPUT_OD + GPIO_MODE_AF_PP, // 3 = STM_MODE_AF_PP + GPIO_MODE_AF_OD, // 4 = STM_MODE_AF_OD + GPIO_MODE_ANALOG, // 5 = STM_MODE_ANALOG + GPIO_MODE_IT_RISING, // 6 = STM_MODE_IT_RISING + GPIO_MODE_IT_FALLING, // 7 = STM_MODE_IT_FALLING + GPIO_MODE_IT_RISING_FALLING, // 8 = STM_MODE_IT_RISING_FALLING + GPIO_MODE_EVT_RISING, // 9 = STM_MODE_EVT_RISING + GPIO_MODE_EVT_FALLING, // 10 = STM_MODE_EVT_FALLING + GPIO_MODE_EVT_RISING_FALLING, // 11 = STM_MODE_EVT_RISING_FALLING + 0x10000000 // 12 = STM_MODE_IT_EVT_RESET (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; +#if defined(GPIOE_BASE) + case PortE: + gpio_add = GPIOE_BASE; + __GPIOE_CLK_ENABLE(); + break; +#endif + 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 JTAG-DP + SW-DP signals. + // Warning: Need to reconnect under reset + //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)); +}