264 lines
8.9 KiB
C
264 lines
8.9 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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/* UART5 init function */
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void MX_UART5_Init(void)
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{
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/* USER CODE BEGIN UART5_Init 0 */
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/* USER CODE END UART5_Init 0 */
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LL_USART_InitTypeDef UART_InitStruct = {0};
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LL_GPIO_InitTypeDef GPIO_InitStruct = {0};
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LL_RCC_SetUARTClockSource(LL_RCC_UART5_CLKSOURCE_PCLK1);
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/* Peripheral clock enable */
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LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_UART5);
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LL_AHB2_GRP1_EnableClock(LL_AHB2_GRP1_PERIPH_GPIOC);
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LL_AHB2_GRP1_EnableClock(LL_AHB2_GRP1_PERIPH_GPIOD);
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/**UART5 GPIO Configuration
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PC12 ------> UART5_TX
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PD2 ------> UART5_RX
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*/
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GPIO_InitStruct.Pin = BLE_TX_Pin;
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GPIO_InitStruct.Mode = LL_GPIO_MODE_ALTERNATE;
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GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_VERY_HIGH;
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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_8;
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LL_GPIO_Init(BLE_TX_GPIO_Port, &GPIO_InitStruct);
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GPIO_InitStruct.Pin = BLE_RX_Pin;
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GPIO_InitStruct.Mode = LL_GPIO_MODE_ALTERNATE;
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GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_VERY_HIGH;
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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_8;
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LL_GPIO_Init(BLE_RX_GPIO_Port, &GPIO_InitStruct);
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/* UART5 DMA Init */
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/* UART5_RX Init */
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LL_DMA_SetPeriphRequest(DMA2, LL_DMA_CHANNEL_2, LL_DMA_REQUEST_2);
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LL_DMA_SetDataTransferDirection(DMA2, LL_DMA_CHANNEL_2, LL_DMA_DIRECTION_PERIPH_TO_MEMORY);
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LL_DMA_SetChannelPriorityLevel(DMA2, LL_DMA_CHANNEL_2, LL_DMA_PRIORITY_LOW);
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LL_DMA_SetMode(DMA2, LL_DMA_CHANNEL_2, LL_DMA_MODE_NORMAL);
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LL_DMA_SetPeriphIncMode(DMA2, LL_DMA_CHANNEL_2, LL_DMA_PERIPH_NOINCREMENT);
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LL_DMA_SetMemoryIncMode(DMA2, LL_DMA_CHANNEL_2, LL_DMA_MEMORY_INCREMENT);
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LL_DMA_SetPeriphSize(DMA2, LL_DMA_CHANNEL_2, LL_DMA_PDATAALIGN_BYTE);
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LL_DMA_SetMemorySize(DMA2, LL_DMA_CHANNEL_2, LL_DMA_MDATAALIGN_BYTE);
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/* UART5_TX Init */
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LL_DMA_SetPeriphRequest(DMA2, LL_DMA_CHANNEL_1, LL_DMA_REQUEST_2);
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LL_DMA_SetDataTransferDirection(DMA2, LL_DMA_CHANNEL_1, LL_DMA_DIRECTION_MEMORY_TO_PERIPH);
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LL_DMA_SetChannelPriorityLevel(DMA2, LL_DMA_CHANNEL_1, LL_DMA_PRIORITY_LOW);
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LL_DMA_SetMode(DMA2, LL_DMA_CHANNEL_1, LL_DMA_MODE_NORMAL);
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LL_DMA_SetPeriphIncMode(DMA2, LL_DMA_CHANNEL_1, LL_DMA_PERIPH_NOINCREMENT);
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LL_DMA_SetMemoryIncMode(DMA2, LL_DMA_CHANNEL_1, LL_DMA_MEMORY_INCREMENT);
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LL_DMA_SetPeriphSize(DMA2, LL_DMA_CHANNEL_1, LL_DMA_PDATAALIGN_BYTE);
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LL_DMA_SetMemorySize(DMA2, LL_DMA_CHANNEL_1, LL_DMA_MDATAALIGN_BYTE);
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/* UART5 interrupt Init */
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NVIC_SetPriority(UART5_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),3, 0));
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NVIC_EnableIRQ(UART5_IRQn);
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/* USER CODE BEGIN UART5_Init 1 */
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/* USER CODE END UART5_Init 1 */
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UART_InitStruct.BaudRate = 115200;
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UART_InitStruct.DataWidth = LL_USART_DATAWIDTH_8B;
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UART_InitStruct.StopBits = LL_USART_STOPBITS_1;
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UART_InitStruct.Parity = LL_USART_PARITY_NONE;
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UART_InitStruct.TransferDirection = LL_USART_DIRECTION_TX_RX;
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UART_InitStruct.HardwareFlowControl = LL_USART_HWCONTROL_NONE;
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UART_InitStruct.OverSampling = LL_USART_OVERSAMPLING_16;
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LL_USART_Init(UART5, &UART_InitStruct);
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LL_USART_ConfigAsyncMode(UART5);
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LL_USART_Enable(UART5);
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/* USER CODE BEGIN UART5_Init 2 */
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/* USER CODE END UART5_Init 2 */
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}
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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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LL_RCC_SetUSARTClockSource(LL_RCC_USART1_CLKSOURCE_PCLK2);
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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 = HART_TX_Pin|HART_RX_Pin;
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GPIO_InitStruct.Mode = LL_GPIO_MODE_ALTERNATE;
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GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_VERY_HIGH;
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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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/* USART1 DMA Init */
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/* USART1_RX Init */
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LL_DMA_SetPeriphRequest(DMA2, LL_DMA_CHANNEL_7, LL_DMA_REQUEST_2);
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LL_DMA_SetDataTransferDirection(DMA2, LL_DMA_CHANNEL_7, LL_DMA_DIRECTION_PERIPH_TO_MEMORY);
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LL_DMA_SetChannelPriorityLevel(DMA2, LL_DMA_CHANNEL_7, LL_DMA_PRIORITY_LOW);
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LL_DMA_SetMode(DMA2, LL_DMA_CHANNEL_7, LL_DMA_MODE_NORMAL);
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LL_DMA_SetPeriphIncMode(DMA2, LL_DMA_CHANNEL_7, LL_DMA_PERIPH_NOINCREMENT);
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LL_DMA_SetMemoryIncMode(DMA2, LL_DMA_CHANNEL_7, LL_DMA_MEMORY_INCREMENT);
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LL_DMA_SetPeriphSize(DMA2, LL_DMA_CHANNEL_7, LL_DMA_PDATAALIGN_BYTE);
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LL_DMA_SetMemorySize(DMA2, LL_DMA_CHANNEL_7, LL_DMA_MDATAALIGN_BYTE);
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/* USART1_TX Init */
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LL_DMA_SetPeriphRequest(DMA2, LL_DMA_CHANNEL_6, LL_DMA_REQUEST_2);
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LL_DMA_SetDataTransferDirection(DMA2, LL_DMA_CHANNEL_6, LL_DMA_DIRECTION_MEMORY_TO_PERIPH);
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LL_DMA_SetChannelPriorityLevel(DMA2, LL_DMA_CHANNEL_6, LL_DMA_PRIORITY_LOW);
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LL_DMA_SetMode(DMA2, LL_DMA_CHANNEL_6, LL_DMA_MODE_NORMAL);
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LL_DMA_SetPeriphIncMode(DMA2, LL_DMA_CHANNEL_6, LL_DMA_PERIPH_NOINCREMENT);
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LL_DMA_SetMemoryIncMode(DMA2, LL_DMA_CHANNEL_6, LL_DMA_MEMORY_INCREMENT);
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LL_DMA_SetPeriphSize(DMA2, LL_DMA_CHANNEL_6, LL_DMA_PDATAALIGN_BYTE);
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LL_DMA_SetMemorySize(DMA2, LL_DMA_CHANNEL_6, LL_DMA_MDATAALIGN_BYTE);
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/* USART1 interrupt Init */
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NVIC_SetPriority(USART1_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),0, 0));
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NVIC_EnableIRQ(USART1_IRQn);
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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.BaudRate = 1200;
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USART_InitStruct.DataWidth = LL_USART_DATAWIDTH_9B;
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USART_InitStruct.StopBits = LL_USART_STOPBITS_1;
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USART_InitStruct.Parity = LL_USART_PARITY_ODD;
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USART_InitStruct.TransferDirection = LL_USART_DIRECTION_TX_RX;
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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_ConfigAsyncMode(USART1);
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LL_USART_Enable(USART1);
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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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void MX_USART1_UART_DInit(void)
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{
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LL_USART_Disable(USART1);
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LL_USART_DeInit(USART1);
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LL_DMA_DisableChannel(DMA2, LL_DMA_CHANNEL_6);
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LL_DMA_DeInit(DMA2, LL_DMA_CHANNEL_6);
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LL_DMA_DisableChannel(DMA2, LL_DMA_CHANNEL_7);
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LL_DMA_DeInit(DMA2, LL_DMA_CHANNEL_7);
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LL_GPIO_InitTypeDef GPIO_InitStruct = {0};
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GPIO_InitStruct.Pin = HART_TX_Pin | HART_RX_Pin;
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GPIO_InitStruct.Mode = LL_GPIO_MODE_INPUT;
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GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_LOW; // 通常对于输入,不需要非常高的<E9AB98>?<3F>度
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// GPIO_InitStruct.OutputType 不需要设置，因为它与输入模式无关
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GPIO_InitStruct.Pull = LL_GPIO_PULL_UP; // 考虑使用上拉或下拉电阻来稳定输入
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GPIO_InitStruct.Alternate = LL_GPIO_AF_0; // 设置为非UART的备用功能或LL_GPIO_AF_NONE（如果支持）
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LL_GPIO_Init(GPIOB, &GPIO_InitStruct);
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LL_APB2_GRP1_DisableClock(LL_APB2_GRP1_PERIPH_USART1);
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LL_AHB2_GRP1_DisableClock(LL_AHB2_GRP1_PERIPH_GPIOB);
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}
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void MX_USART5_UART_DInit(void)
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{
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LL_USART_Disable(UART5);
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LL_USART_DeInit(UART5);
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LL_DMA_DisableChannel(DMA2, LL_DMA_CHANNEL_1);
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LL_DMA_DeInit(DMA2, LL_DMA_CHANNEL_1);
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LL_DMA_DisableChannel(DMA2, LL_DMA_CHANNEL_2);
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LL_DMA_DeInit(DMA2, LL_DMA_CHANNEL_2);
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LL_GPIO_InitTypeDef GPIO_InitStruct = {0};
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GPIO_InitStruct.Pin = BLE_TX_Pin | BLE_RX_Pin;
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GPIO_InitStruct.Mode = LL_GPIO_MODE_INPUT;
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GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_LOW; // 通常对于输入,不需要非常高的<E9AB98>?<3F>度
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// GPIO_InitStruct.OutputType 不需要设置，因为它与输入模式无关
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GPIO_InitStruct.Pull = LL_GPIO_PULL_UP; // 考虑使用上拉或下拉电阻来稳定输入
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GPIO_InitStruct.Alternate = LL_GPIO_AF_0; // 设置为非UART的备用功能或LL_GPIO_AF_NONE（如果支持）
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LL_GPIO_Init(GPIOC, &GPIO_InitStruct);
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LL_GPIO_Init(GPIOD, &GPIO_InitStruct);
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LL_APB1_GRP1_DisableClock(LL_APB1_GRP1_PERIPH_UART5);
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LL_AHB2_GRP1_DisableClock(LL_AHB2_GRP1_PERIPH_GPIOC);
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}
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/* USER CODE END 1 */
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