2021-10-17 22:54:19 +00:00
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/**
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******************************************************************************
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* @file usart.c
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* @brief 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) 2021 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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/* USART1 init function */
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void MX_USART1_UART_Init(void)
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{
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/* USER CODE BEGIN USART1_Init 0 */
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/* USER CODE END USART1_Init 0 */
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LL_USART_InitTypeDef USART_InitStruct = {0};
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LL_GPIO_InitTypeDef GPIO_InitStruct = {0};
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/* Peripheral clock enable */
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LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_USART1);
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LL_AHB2_GRP1_EnableClock(LL_AHB2_GRP1_PERIPH_GPIOB);
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/**USART1 GPIO Configuration
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PB6 ------> USART1_TX
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PB7 ------> USART1_RX
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*/
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GPIO_InitStruct.Pin = LL_GPIO_PIN_6|LL_GPIO_PIN_7;
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GPIO_InitStruct.Mode = LL_GPIO_MODE_ALTERNATE;
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GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_LOW;
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GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL;
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GPIO_InitStruct.Pull = LL_GPIO_PULL_NO;
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GPIO_InitStruct.Alternate = LL_GPIO_AF_7;
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LL_GPIO_Init(GPIOB, &GPIO_InitStruct);
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/* USER CODE BEGIN USART1_Init 1 */
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/* USER CODE END USART1_Init 1 */
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USART_InitStruct.PrescalerValue = LL_USART_PRESCALER_DIV1;
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USART_InitStruct.BaudRate = 115200;
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USART_InitStruct.DataWidth = LL_USART_DATAWIDTH_8B;
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USART_InitStruct.StopBits = LL_USART_STOPBITS_1;
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USART_InitStruct.Parity = LL_USART_PARITY_NONE;
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USART_InitStruct.TransferDirection = LL_USART_DIRECTION_TX;
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USART_InitStruct.HardwareFlowControl = LL_USART_HWCONTROL_NONE;
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USART_InitStruct.OverSampling = LL_USART_OVERSAMPLING_16;
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LL_USART_Init(USART1, &USART_InitStruct);
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LL_USART_SetTXFIFOThreshold(USART1, LL_USART_FIFOTHRESHOLD_1_8);
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LL_USART_SetRXFIFOThreshold(USART1, LL_USART_FIFOTHRESHOLD_1_8);
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LL_USART_DisableFIFO(USART1);
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LL_USART_EnableAutoBaudRate(USART1);
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LL_USART_SetAutoBaudRateMode(USART1, LL_USART_AUTOBAUD_DETECT_ON_STARTBIT);
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LL_USART_ConfigAsyncMode(USART1);
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/* USER CODE BEGIN WKUPType USART1 */
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/* USER CODE END WKUPType USART1 */
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LL_USART_Enable(USART1);
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/* Polling USART1 initialisation */
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while(!(LL_USART_IsActiveFlag_TEACK(USART1)))
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{
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}
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/* USER CODE BEGIN USART1_Init 2 */
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/* USER CODE END USART1_Init 2 */
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}
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/* USER CODE BEGIN 1 */
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/* USER CODE END 1 */
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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