109 lines
2.9 KiB
C
109 lines
2.9 KiB
C
/**
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******************************************************************************
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* File Name : USART.c
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* Description : 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) 2019 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 BSD 3-Clause license,
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* the "License"; You may not use this file except in compliance with the
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* License. You may obtain a copy of the License at:
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* opensource.org/licenses/BSD-3-Clause
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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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UART_HandleTypeDef hlpuart1;
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/* LPUART1 init function */
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void MX_LPUART1_UART_Init(void)
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{
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hlpuart1.Instance = LPUART1;
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hlpuart1.Init.BaudRate = 115200;
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hlpuart1.Init.WordLength = UART_WORDLENGTH_8B;
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hlpuart1.Init.StopBits = UART_STOPBITS_1;
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hlpuart1.Init.Parity = UART_PARITY_NONE;
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hlpuart1.Init.Mode = UART_MODE_TX_RX;
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hlpuart1.Init.HwFlowCtl = UART_HWCONTROL_NONE;
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hlpuart1.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE;
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hlpuart1.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT;
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if (HAL_UART_Init(&hlpuart1) != HAL_OK)
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{
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Error_Handler();
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}
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}
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void HAL_UART_MspInit(UART_HandleTypeDef* uartHandle)
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{
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GPIO_InitTypeDef GPIO_InitStruct = {0};
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if(uartHandle->Instance==LPUART1)
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{
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/* USER CODE BEGIN LPUART1_MspInit 0 */
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/* USER CODE END LPUART1_MspInit 0 */
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/* LPUART1 clock enable */
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__HAL_RCC_LPUART1_CLK_ENABLE();
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__HAL_RCC_GPIOG_CLK_ENABLE();
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HAL_PWREx_EnableVddIO2();
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/**LPUART1 GPIO Configuration
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PG7 ------> LPUART1_TX
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PG8 ------> LPUART1_RX
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*/
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GPIO_InitStruct.Pin = GPIO_PIN_7|GPIO_PIN_8;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
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GPIO_InitStruct.Alternate = GPIO_AF8_LPUART1;
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HAL_GPIO_Init(GPIOG, &GPIO_InitStruct);
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/* USER CODE BEGIN LPUART1_MspInit 1 */
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/* USER CODE END LPUART1_MspInit 1 */
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}
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}
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void HAL_UART_MspDeInit(UART_HandleTypeDef* uartHandle)
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{
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if(uartHandle->Instance==LPUART1)
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{
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/* USER CODE BEGIN LPUART1_MspDeInit 0 */
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/* USER CODE END LPUART1_MspDeInit 0 */
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/* Peripheral clock disable */
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__HAL_RCC_LPUART1_CLK_DISABLE();
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/**LPUART1 GPIO Configuration
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PG7 ------> LPUART1_TX
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PG8 ------> LPUART1_RX
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*/
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HAL_GPIO_DeInit(GPIOG, GPIO_PIN_7|GPIO_PIN_8);
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/* USER CODE BEGIN LPUART1_MspDeInit 1 */
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/* USER CODE END LPUART1_MspDeInit 1 */
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}
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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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