You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
137 lines
3.6 KiB
137 lines
3.6 KiB
/* USER CODE BEGIN Header */
|
|
/**
|
|
******************************************************************************
|
|
* @file usart.c
|
|
* @brief This file provides code for the configuration
|
|
* of the USART instances.
|
|
******************************************************************************
|
|
* @attention
|
|
*
|
|
* Copyright (c) 2023 STMicroelectronics.
|
|
* All rights reserved.
|
|
*
|
|
* This software is licensed under terms that can be found in the LICENSE file
|
|
* in the root directory of this software component.
|
|
* If no LICENSE file comes with this software, it is provided AS-IS.
|
|
*
|
|
******************************************************************************
|
|
*/
|
|
/* USER CODE END Header */
|
|
/* Includes ------------------------------------------------------------------*/
|
|
#include "usart.h"
|
|
#include "stdio.h"
|
|
|
|
/* USER CODE BEGIN 0 */
|
|
|
|
/* USER CODE END 0 */
|
|
|
|
UART_HandleTypeDef huart2;
|
|
|
|
/* USART2 init function */
|
|
|
|
void MX_USART2_UART_Init(void)
|
|
{
|
|
|
|
/* USER CODE BEGIN USART2_Init 0 */
|
|
|
|
/* USER CODE END USART2_Init 0 */
|
|
|
|
/* USER CODE BEGIN USART2_Init 1 */
|
|
|
|
/* USER CODE END USART2_Init 1 */
|
|
huart2.Instance = USART2;
|
|
huart2.Init.BaudRate = 115200;
|
|
huart2.Init.WordLength = UART_WORDLENGTH_8B;
|
|
huart2.Init.StopBits = UART_STOPBITS_1;
|
|
huart2.Init.Parity = UART_PARITY_NONE;
|
|
huart2.Init.Mode = UART_MODE_TX_RX;
|
|
huart2.Init.HwFlowCtl = UART_HWCONTROL_NONE;
|
|
huart2.Init.OverSampling = UART_OVERSAMPLING_16;
|
|
huart2.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE;
|
|
huart2.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT;
|
|
if (HAL_UART_Init(&huart2) != HAL_OK)
|
|
{
|
|
Error_Handler();
|
|
}
|
|
/* USER CODE BEGIN USART2_Init 2 */
|
|
|
|
/* USER CODE END USART2_Init 2 */
|
|
|
|
}
|
|
|
|
void HAL_UART_MspInit(UART_HandleTypeDef* uartHandle)
|
|
{
|
|
|
|
GPIO_InitTypeDef GPIO_InitStruct = {0};
|
|
RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};
|
|
if(uartHandle->Instance==USART2)
|
|
{
|
|
/* USER CODE BEGIN USART2_MspInit 0 */
|
|
|
|
/* USER CODE END USART2_MspInit 0 */
|
|
|
|
/** Initializes the peripherals clock
|
|
*/
|
|
PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USART2;
|
|
PeriphClkInit.Usart2ClockSelection = RCC_USART2CLKSOURCE_PCLK1;
|
|
if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
|
|
{
|
|
Error_Handler();
|
|
}
|
|
|
|
/* USART2 clock enable */
|
|
__HAL_RCC_USART2_CLK_ENABLE();
|
|
|
|
__HAL_RCC_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_NOPULL;
|
|
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
|
|
GPIO_InitStruct.Alternate = GPIO_AF7_USART2;
|
|
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
|
|
|
|
/* USART2 interrupt Init */
|
|
HAL_NVIC_SetPriority(USART2_IRQn, 0, 0);
|
|
HAL_NVIC_EnableIRQ(USART2_IRQn);
|
|
/* USER CODE BEGIN USART2_MspInit 1 */
|
|
|
|
/* USER CODE END USART2_MspInit 1 */
|
|
}
|
|
}
|
|
|
|
void HAL_UART_MspDeInit(UART_HandleTypeDef* uartHandle)
|
|
{
|
|
|
|
if(uartHandle->Instance==USART2)
|
|
{
|
|
/* USER CODE BEGIN USART2_MspDeInit 0 */
|
|
|
|
/* USER CODE END USART2_MspDeInit 0 */
|
|
/* Peripheral clock disable */
|
|
__HAL_RCC_USART2_CLK_DISABLE();
|
|
|
|
/**USART2 GPIO Configuration
|
|
PA2 ------> USART2_TX
|
|
PA3 ------> USART2_RX
|
|
*/
|
|
HAL_GPIO_DeInit(GPIOA, GPIO_PIN_2|GPIO_PIN_3);
|
|
|
|
/* USART2 interrupt Deinit */
|
|
HAL_NVIC_DisableIRQ(USART2_IRQn);
|
|
/* USER CODE BEGIN USART2_MspDeInit 1 */
|
|
|
|
/* USER CODE END USART2_MspDeInit 1 */
|
|
}
|
|
}
|
|
|
|
/* USER CODE BEGIN 1 */
|
|
int fputc(int ch,FILE *f){
|
|
HAL_UART_Transmit(&huart2,(uint8_t *)&ch,1,0xffff);
|
|
return ch;
|
|
}
|
|
/* USER CODE END 1 */
|