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/**
******************************************************************************
* File Name : stm32f4xx_hal_msp.c
* Date : 08/07/2015 17:46:00
* Description : This file provides code for the MSP Initialization
* and de-Initialization codes.
******************************************************************************
*
* COPYRIGHT(c) 2015 STMicroelectronics
*
* 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.
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "stm32f4xx_hal.h"
#include "stm_init.h"
void HAL_UART_MspInit(UART_HandleTypeDef* huart)
{
GPIO_InitTypeDef GPIO_InitStruct;
int i;
if (huart->Instance == USART2) {
/* Peripheral clock enable */
__USART2_CLK_ENABLE();
__GPIOA_CLK_ENABLE();
/**USART2 GPIO Configuration
PA2 ------> USART2_TX
PA3 ------> USART2_RX
*/
GPIO_InitStruct.Pin = GPIO_PIN_2 | GPIO_PIN_3;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_LOW;
GPIO_InitStruct.Alternate = GPIO_AF7_USART2;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
for (i = 0; i < 10; i++) {
HAL_GPIO_TogglePin(LED_PORT, LED_RED);
HAL_Delay(50);
}
}
}
void HAL_UART_MspDeInit(UART_HandleTypeDef* huart)
{
if (huart->Instance == USART2) {
/* Peripheral clock disable */
__USART2_CLK_DISABLE();
/**USART2 GPIO Configuration
PA2 ------> USART2_TX
PA3 ------> USART2_RX
*/
HAL_GPIO_DeInit(GPIOA, GPIO_PIN_2 | GPIO_PIN_3);
}
}
void HAL_I2C_MspInit(I2C_HandleTypeDef* hi2c)
{
GPIO_InitTypeDef GPIO_InitStruct;
if (hi2c->Instance == I2C2) {
/**I2C2 GPIO Configuration
//PF0 ------> I2C2_SDA
//PF1 ------> I2C2_SCL
PH5 ------> I2C2_SDA
PH4 ------> I2C2_SCL
*/
__GPIOH_CLK_ENABLE();
GPIO_InitStruct.Pin = GPIO_PIN_4 | GPIO_PIN_5;
GPIO_InitStruct.Mode = GPIO_MODE_AF_OD;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF4_I2C2;
HAL_GPIO_Init(GPIOH, &GPIO_InitStruct);
/* Peripheral clock enable */
__I2C2_CLK_ENABLE();
}
}
void HAL_I2C_MspDeInit(I2C_HandleTypeDef* hi2c)
{
if(hi2c->Instance==I2C2) {
/* Peripheral clock disable */
__I2C2_CLK_DISABLE();
/**I2C2 GPIO Configuration
PF0 ------> I2C2_SDA
PF1 ------> I2C2_SCL
*/
HAL_GPIO_DeInit(GPIOF, GPIO_PIN_0|GPIO_PIN_1);
}
}
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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