aboutsummaryrefslogblamecommitdiff
path: root/src/uart-test/stm32f4xx_hal_msp.c
blob: 2b1da7e982693aa5f34083eb9834e317dc5f7bcb (plain) (tree)









































                                                      
/*
 * Init/de-init USART1.
 *
 * Pins used:
 *
 *   PA9:  USART1_TX
 *   PA10: USART1_RX
 */

#include "stm32f4xx_hal.h"


void HAL_UART_MspInit(UART_HandleTypeDef* huart)
{
  GPIO_InitTypeDef GPIO_InitStruct;

  if (huart->Instance == USART1) {
    /* Peripheral clock enable */
    __USART1_CLK_ENABLE();
    GPIO_InitStruct.Pin = GPIO_PIN_9 | GPIO_PIN_10;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Pull = GPIO_PULLUP;
    GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
    GPIO_InitStruct.Alternate = GPIO_AF7_USART1;
    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

    /* NVIC for interrupt mode */
    HAL_NVIC_SetPriority(USART1_IRQn, 0, 1);
    HAL_NVIC_EnableIRQ(USART1_IRQn);
  }

}

void HAL_UART_MspDeInit(UART_HandleTypeDef* huart)
{

  if (huart->Instance == USART1) {
    __USART1_CLK_DISABLE();
    HAL_GPIO_DeInit(GPIOA, GPIO_PIN_9 | GPIO_PIN_10);
  }

}