/** ****************************************************************************** * @file usart.c * @brief This file provides code for the configuration * of the USART instances. ****************************************************************************** * @attention * *

© Copyright (c) 2021 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 */ /* 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****/