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- /**
- ******************************************************************************
- * @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 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 */
- /* USART1 init function */
- void MX_USART1_UART_Init(void) {
- /* USER CODE BEGIN USART1_Init 0 */
- /* USER CODE END USART1_Init 0 */
- LL_USART_InitTypeDef USART_InitStruct = {0};
- LL_GPIO_InitTypeDef GPIO_InitStruct = {0};
- /* Peripheral clock enable */
- LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_USART1);
- LL_AHB2_GRP1_EnableClock(LL_AHB2_GRP1_PERIPH_GPIOB);
- /**USART1 GPIO Configuration
- PB6 ------> USART1_TX
- PB7 ------> USART1_RX
- */
- GPIO_InitStruct.Pin = LL_GPIO_PIN_6 | LL_GPIO_PIN_7;
- GPIO_InitStruct.Mode = LL_GPIO_MODE_ALTERNATE;
- GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_LOW;
- GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL;
- GPIO_InitStruct.Pull = LL_GPIO_PULL_NO;
- GPIO_InitStruct.Alternate = LL_GPIO_AF_7;
- LL_GPIO_Init(GPIOB, &GPIO_InitStruct);
- /* USER CODE BEGIN USART1_Init 1 */
- /* USER CODE END USART1_Init 1 */
- USART_InitStruct.PrescalerValue = LL_USART_PRESCALER_DIV1;
- USART_InitStruct.BaudRate = 115200;
- USART_InitStruct.DataWidth = LL_USART_DATAWIDTH_8B;
- USART_InitStruct.StopBits = LL_USART_STOPBITS_1;
- USART_InitStruct.Parity = LL_USART_PARITY_NONE;
- USART_InitStruct.TransferDirection = LL_USART_DIRECTION_TX;
- USART_InitStruct.HardwareFlowControl = LL_USART_HWCONTROL_NONE;
- USART_InitStruct.OverSampling = LL_USART_OVERSAMPLING_16;
- LL_USART_Init(USART1, &USART_InitStruct);
- LL_USART_SetTXFIFOThreshold(USART1, LL_USART_FIFOTHRESHOLD_1_8);
- LL_USART_SetRXFIFOThreshold(USART1, LL_USART_FIFOTHRESHOLD_1_8);
- LL_USART_DisableFIFO(USART1);
- LL_USART_EnableAutoBaudRate(USART1);
- LL_USART_SetAutoBaudRateMode(USART1, LL_USART_AUTOBAUD_DETECT_ON_STARTBIT);
- LL_USART_ConfigAsyncMode(USART1);
- /* USER CODE BEGIN WKUPType USART1 */
- /* USER CODE END WKUPType USART1 */
- LL_USART_Enable(USART1);
- /* Polling USART1 initialisation */
- while(!(LL_USART_IsActiveFlag_TEACK(USART1))) {
- }
- /* USER CODE BEGIN USART1_Init 2 */
- /* USER CODE END USART1_Init 2 */
- }
- /* USER CODE BEGIN 1 */
- /* USER CODE END 1 */
- /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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