mbed library sources 只保留l0和l1系列的库,修改l0的库的晶振为12m
Dependents: SANFAN_read_analog_value nucleo-wdg Nucleo_sleep_copy
Fork of mbed-src by
Diff: targets/hal/TARGET_STM/TARGET_STM32F0/pinmap.c
- Revision:
- 637:43dc64e319ca
- Parent:
- 636:cdb71f051ab2
diff -r cdb71f051ab2 -r 43dc64e319ca targets/hal/TARGET_STM/TARGET_STM32F0/pinmap.c --- a/targets/hal/TARGET_STM/TARGET_STM32F0/pinmap.c Thu Apr 14 06:45:56 2016 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,142 +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; -#if defined(GPIOC_BASE) - case PortC: - gpio_add = GPIOC_BASE; - __GPIOC_CLK_ENABLE(); - break; -#endif -#if defined(GPIOD_BASE) - case PortD: - gpio_add = GPIOD_BASE; - __GPIOD_CLK_ENABLE(); - break; -#endif -#if defined(GPIOF_BASE) - case PortF: - gpio_add = GPIOF_BASE; - __GPIOF_CLK_ENABLE(); - break; -#endif - 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)); - -}