/** ****************************************************************************** * @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 BSD 3-Clause license, * the "License"; You may not use this file except in compliance with the * License. You may obtain a copy of the License at: * opensource.org/licenses/BSD-3-Clause * ****************************************************************************** */ /* Includes ------------------------------------------------------------------*/ #include "usart.h" /* USER CODE BEGIN 0 */ /* USER CODE END 0 */ UART_HandleTypeDef hlpuart1; /* LPUART1 init function */ void MX_LPUART1_UART_Init(void) { /* USER CODE BEGIN LPUART1_Init 0 */ /* USER CODE END LPUART1_Init 0 */ /* USER CODE BEGIN LPUART1_Init 1 */ /* USER CODE END LPUART1_Init 1 */ hlpuart1.Instance = LPUART1; hlpuart1.Init.BaudRate = 115200; hlpuart1.Init.WordLength = UART_WORDLENGTH_8B; hlpuart1.Init.StopBits = UART_STOPBITS_1; hlpuart1.Init.Parity = UART_PARITY_NONE; hlpuart1.Init.Mode = UART_MODE_TX_RX; hlpuart1.Init.HwFlowCtl = UART_HWCONTROL_NONE; hlpuart1.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE; hlpuart1.Init.ClockPrescaler = UART_PRESCALER_DIV1; hlpuart1.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT; if (HAL_UART_Init(&hlpuart1) != HAL_OK) { Error_Handler(); } if (HAL_UARTEx_SetTxFifoThreshold(&hlpuart1, UART_TXFIFO_THRESHOLD_1_8) != HAL_OK) { Error_Handler(); } if (HAL_UARTEx_SetRxFifoThreshold(&hlpuart1, UART_RXFIFO_THRESHOLD_1_8) != HAL_OK) { Error_Handler(); } if (HAL_UARTEx_DisableFifoMode(&hlpuart1) != HAL_OK) { Error_Handler(); } /* USER CODE BEGIN LPUART1_Init 2 */ /* USER CODE END LPUART1_Init 2 */ } void HAL_UART_MspInit(UART_HandleTypeDef* uartHandle) { GPIO_InitTypeDef GPIO_InitStruct = {0}; if(uartHandle->Instance==LPUART1) { /* USER CODE BEGIN LPUART1_MspInit 0 */ /* USER CODE END LPUART1_MspInit 0 */ /* LPUART1 clock enable */ __HAL_RCC_LPUART1_CLK_ENABLE(); __HAL_RCC_GPIOA_CLK_ENABLE(); /**LPUART1 GPIO Configuration PA2 ------> LPUART1_TX PA3 ------> LPUART1_RX */ GPIO_InitStruct.Pin = LPUART1_TX_Pin|LPUART1_RX_Pin; GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; GPIO_InitStruct.Alternate = GPIO_AF12_LPUART1; HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); /* USER CODE BEGIN LPUART1_MspInit 1 */ /* USER CODE END LPUART1_MspInit 1 */ } } void HAL_UART_MspDeInit(UART_HandleTypeDef* uartHandle) { if(uartHandle->Instance==LPUART1) { /* USER CODE BEGIN LPUART1_MspDeInit 0 */ /* USER CODE END LPUART1_MspDeInit 0 */ /* Peripheral clock disable */ __HAL_RCC_LPUART1_CLK_DISABLE(); /**LPUART1 GPIO Configuration PA2 ------> LPUART1_TX PA3 ------> LPUART1_RX */ HAL_GPIO_DeInit(GPIOA, LPUART1_TX_Pin|LPUART1_RX_Pin); /* USER CODE BEGIN LPUART1_MspDeInit 1 */ /* USER CODE END LPUART1_MspDeInit 1 */ } } /* USER CODE BEGIN 1 */ /* USER CODE END 1 */ /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/