/** ****************************************************************************** * File Name : USART.c * Description : This file provides code for the configuration * of the USART instances. ****************************************************************************** * @attention * *

© Copyright (c) 2020 STMicroelectronics. * All rights reserved.

* * This software component is licensed by ST under Ultimate Liberty license * SLA0044, the "License"; You may not use this file except in compliance with * the License. You may obtain a copy of the License at: * www.st.com/SLA0044 * ****************************************************************************** */ /* Includes ------------------------------------------------------------------*/ #include "usart.h" /* USER CODE BEGIN 0 */ /* USER CODE END 0 */ UART_HandleTypeDef huart4; /* UART4 init function */ void MX_UART4_Init(void) { huart4.Instance = UART4; huart4.Init.BaudRate = 115200; huart4.Init.WordLength = UART_WORDLENGTH_8B; huart4.Init.StopBits = UART_STOPBITS_1; huart4.Init.Parity = UART_PARITY_NONE; huart4.Init.Mode = UART_MODE_TX_RX; huart4.Init.HwFlowCtl = UART_HWCONTROL_NONE; huart4.Init.OverSampling = UART_OVERSAMPLING_16; if (HAL_UART_Init(&huart4) != HAL_OK) { Error_Handler(); } } void HAL_UART_MspInit(UART_HandleTypeDef* uartHandle) { GPIO_InitTypeDef GPIO_InitStruct = {0}; if(uartHandle->Instance==UART4) { /* USER CODE BEGIN UART4_MspInit 0 */ /* USER CODE END UART4_MspInit 0 */ /* UART4 clock enable */ __HAL_RCC_UART4_CLK_ENABLE(); __HAL_RCC_GPIOC_CLK_ENABLE(); /**UART4 GPIO Configuration PC10 ------> UART4_TX PC11 ------> UART4_RX */ GPIO_InitStruct.Pin = GPIO_PIN_10; GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH; HAL_GPIO_Init(GPIOC, &GPIO_InitStruct); GPIO_InitStruct.Pin = GPIO_PIN_11; GPIO_InitStruct.Mode = GPIO_MODE_INPUT; GPIO_InitStruct.Pull = GPIO_NOPULL; HAL_GPIO_Init(GPIOC, &GPIO_InitStruct); /* UART4 interrupt Init */ HAL_NVIC_SetPriority(UART4_IRQn, 5, 0); HAL_NVIC_EnableIRQ(UART4_IRQn); /* USER CODE BEGIN UART4_MspInit 1 */ /* USER CODE END UART4_MspInit 1 */ } } void HAL_UART_MspDeInit(UART_HandleTypeDef* uartHandle) { if(uartHandle->Instance==UART4) { /* USER CODE BEGIN UART4_MspDeInit 0 */ /* USER CODE END UART4_MspDeInit 0 */ /* Peripheral clock disable */ __HAL_RCC_UART4_CLK_DISABLE(); /**UART4 GPIO Configuration PC10 ------> UART4_TX PC11 ------> UART4_RX */ HAL_GPIO_DeInit(GPIOC, GPIO_PIN_10|GPIO_PIN_11); /* UART4 interrupt Deinit */ HAL_NVIC_DisableIRQ(UART4_IRQn); /* USER CODE BEGIN UART4_MspDeInit 1 */ /* USER CODE END UART4_MspDeInit 1 */ } } /* USER CODE BEGIN 1 */ /* USER CODE END 1 */ /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/