2020-04-06 21:16:18 +08:00
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/**
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******************************************************************************
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* File Name : USART.c
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* Description : This file provides code for the configuration
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* of the USART instances.
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******************************************************************************
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* @attention
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*
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* <h2><center>© Copyright (c) 2020 STMicroelectronics.
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* All rights reserved.</center></h2>
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*
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* This software component is licensed by ST under Ultimate Liberty license
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* SLA0044, the "License"; You may not use this file except in compliance with
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* the License. You may obtain a copy of the License at:
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* www.st.com/SLA0044
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*
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******************************************************************************
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*/
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/* Includes ------------------------------------------------------------------*/
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#include "usart.h"
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/* USER CODE BEGIN 0 */
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/* USER CODE END 0 */
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UART_HandleTypeDef huart4;
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/* UART4 init function */
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void MX_UART4_Init(void)
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{
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huart4.Instance = UART4;
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huart4.Init.BaudRate = 115200;
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huart4.Init.WordLength = UART_WORDLENGTH_8B;
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huart4.Init.StopBits = UART_STOPBITS_1;
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huart4.Init.Parity = UART_PARITY_NONE;
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huart4.Init.Mode = UART_MODE_TX_RX;
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huart4.Init.HwFlowCtl = UART_HWCONTROL_NONE;
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huart4.Init.OverSampling = UART_OVERSAMPLING_16;
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if (HAL_UART_Init(&huart4) != HAL_OK)
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{
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Error_Handler();
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}
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}
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void HAL_UART_MspInit(UART_HandleTypeDef* uartHandle)
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{
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GPIO_InitTypeDef GPIO_InitStruct = {0};
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if(uartHandle->Instance==UART4)
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{
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/* USER CODE BEGIN UART4_MspInit 0 */
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/* USER CODE END UART4_MspInit 0 */
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/* UART4 clock enable */
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__HAL_RCC_UART4_CLK_ENABLE();
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__HAL_RCC_GPIOC_CLK_ENABLE();
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/**UART4 GPIO Configuration
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PC10 ------> UART4_TX
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PC11 ------> UART4_RX
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*/
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GPIO_InitStruct.Pin = GPIO_PIN_10;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
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HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
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GPIO_InitStruct.Pin = GPIO_PIN_11;
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GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
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2020-04-10 19:05:38 +08:00
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/* UART4 interrupt Init */
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HAL_NVIC_SetPriority(UART4_IRQn, 5, 0);
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HAL_NVIC_EnableIRQ(UART4_IRQn);
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2020-04-06 21:16:18 +08:00
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/* USER CODE BEGIN UART4_MspInit 1 */
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/* USER CODE END UART4_MspInit 1 */
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}
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}
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void HAL_UART_MspDeInit(UART_HandleTypeDef* uartHandle)
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{
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if(uartHandle->Instance==UART4)
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{
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/* USER CODE BEGIN UART4_MspDeInit 0 */
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/* USER CODE END UART4_MspDeInit 0 */
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/* Peripheral clock disable */
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__HAL_RCC_UART4_CLK_DISABLE();
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/**UART4 GPIO Configuration
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PC10 ------> UART4_TX
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PC11 ------> UART4_RX
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*/
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HAL_GPIO_DeInit(GPIOC, GPIO_PIN_10|GPIO_PIN_11);
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2020-04-10 19:05:38 +08:00
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/* UART4 interrupt Deinit */
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HAL_NVIC_DisableIRQ(UART4_IRQn);
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2020-04-06 21:16:18 +08:00
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/* USER CODE BEGIN UART4_MspDeInit 1 */
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/* USER CODE END UART4_MspDeInit 1 */
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}
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}
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/* USER CODE BEGIN 1 */
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2020-04-10 19:05:38 +08:00
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2020-04-06 21:16:18 +08:00
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/* USER CODE END 1 */
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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