generated from Embedded_Projects/YZL_WLE5CB_Template
141 lines
3.8 KiB
C
141 lines
3.8 KiB
C
/* USER CODE BEGIN Header */
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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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* Copyright (c) 2023 STMicroelectronics.
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* All rights reserved.
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*
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* This software is licensed under terms that can be found in the LICENSE file
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* in the root directory of this software component.
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* If no LICENSE file comes with this software, it is provided AS-IS.
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*
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******************************************************************************
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*/
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/* USER CODE END Header */
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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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/* USER CODE BEGIN LPUART1_Init 0 */
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/* USER CODE END LPUART1_Init 0 */
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/* USER CODE BEGIN LPUART1_Init 1 */
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/* USER CODE END LPUART1_Init 1 */
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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.Init.ClockPrescaler = UART_PRESCALER_DIV8;
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hlpuart1.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT;
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hlpuart1.FifoMode = UART_FIFOMODE_ENABLE;
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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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if (HAL_UARTEx_SetTxFifoThreshold(&hlpuart1, UART_TXFIFO_THRESHOLD_1_2) != HAL_OK)
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{
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Error_Handler();
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}
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if (HAL_UARTEx_SetRxFifoThreshold(&hlpuart1, UART_RXFIFO_THRESHOLD_1_2) != HAL_OK)
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{
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Error_Handler();
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}
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if (HAL_UARTEx_EnableFifoMode(&hlpuart1) != HAL_OK)
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{
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Error_Handler();
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}
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/* USER CODE BEGIN LPUART1_Init 2 */
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/* USER CODE END LPUART1_Init 2 */
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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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RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {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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/** Initializes the peripherals clocks
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*/
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PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_LPUART1;
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PeriphClkInitStruct.Lpuart1ClockSelection = RCC_LPUART1CLKSOURCE_PCLK1;
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if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK)
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{
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Error_Handler();
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}
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/* LPUART1 clock enable */
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__HAL_RCC_LPUART1_CLK_ENABLE();
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__HAL_RCC_GPIOA_CLK_ENABLE();
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/**LPUART1 GPIO Configuration
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PA2 ------> LPUART1_TX
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PA3 ------> LPUART1_RX
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*/
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GPIO_InitStruct.Pin = GPIO_PIN_2|GPIO_PIN_3;
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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_LOW;
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GPIO_InitStruct.Alternate = GPIO_AF8_LPUART1;
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HAL_GPIO_Init(GPIOA, &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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PA2 ------> LPUART1_TX
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PA3 ------> LPUART1_RX
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*/
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HAL_GPIO_DeInit(GPIOA, GPIO_PIN_2|GPIO_PIN_3);
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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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