diff options
Diffstat (limited to 'simonnnnn/Core/Src/usart.c')
| -rw-r--r-- | simonnnnn/Core/Src/usart.c | 108 | 
1 files changed, 108 insertions, 0 deletions
diff --git a/simonnnnn/Core/Src/usart.c b/simonnnnn/Core/Src/usart.c new file mode 100644 index 0000000..e6948fb --- /dev/null +++ b/simonnnnn/Core/Src/usart.c @@ -0,0 +1,108 @@ +/**
 +  ******************************************************************************
 +  * @file    usart.c
 +  * @brief   This file provides code for the configuration
 +  *          of the USART instances.
 +  ******************************************************************************
 +  * @attention
 +  *
 +  * <h2><center>© Copyright (c) 2021 STMicroelectronics.
 +  * All rights reserved.</center></h2>
 +  *
 +  * This software component is licensed by ST under BSD 3-Clause license,
 +  * the "License"; You may not use this file except in compliance with the
 +  * License. You may obtain a copy of the License at:
 +  *                        opensource.org/licenses/BSD-3-Clause
 +  *
 +  ******************************************************************************
 +  */
 +
 +/* Includes ------------------------------------------------------------------*/
 +#include "usart.h"
 +
 +/* USER CODE BEGIN 0 */
 +
 +/* USER CODE END 0 */
 +
 +UART_HandleTypeDef huart2;
 +
 +/* USART2 init function */
 +
 +void MX_USART2_UART_Init(void)
 +{
 +
 +  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();
 +  }
 +
 +}
 +
 +void HAL_UART_MspInit(UART_HandleTypeDef* uartHandle)
 +{
 +
 +  GPIO_InitTypeDef GPIO_InitStruct = {0};
 +  if(uartHandle->Instance==USART2)
 +  {
 +  /* USER CODE BEGIN USART2_MspInit 0 */
 +
 +  /* USER CODE END USART2_MspInit 0 */
 +    /* 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 = USART_TX_Pin|USART_RX_Pin;
 +    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
 +    GPIO_InitStruct.Pull = GPIO_NOPULL;
 +    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
 +    GPIO_InitStruct.Alternate = GPIO_AF4_USART2;
 +    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
 +
 +  /* 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, USART_TX_Pin|USART_RX_Pin);
 +
 +  /* USER CODE BEGIN USART2_MspDeInit 1 */
 +
 +  /* USER CODE END USART2_MspDeInit 1 */
 +  }
 +}
 +
 +/* USER CODE BEGIN 1 */
 +
 +/* USER CODE END 1 */
 +
 +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
  | 
