377 lines
11 KiB
C
377 lines
11 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) 2024 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 = 2000000;
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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_DIV1;
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hlpuart1.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT;
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hlpuart1.FifoMode = UART_FIFOMODE_DISABLE;
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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_8) != 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_8) != HAL_OK)
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{
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Error_Handler();
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}
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if (HAL_UARTEx_DisableFifoMode(&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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/* 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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RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {0};
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/** Initializes the peripherals clock
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*/
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PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_USART1;
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PeriphClkInitStruct.Usart16ClockSelection = RCC_USART16910CLKSOURCE_D2PCLK2;
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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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/* Peripheral clock enable */
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LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_USART1);
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LL_AHB4_GRP1_EnableClock(LL_AHB4_GRP1_PERIPH_GPIOB);
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/**USART1 GPIO Configuration
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PB14 ------> USART1_TX
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PB15 ------> USART1_RX
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*/
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GPIO_InitStruct.Pin = LL_GPIO_PIN_14|LL_GPIO_PIN_15;
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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_4;
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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(DMA1, LL_DMA_STREAM_0, LL_DMAMUX1_REQ_USART1_RX);
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LL_DMA_SetDataTransferDirection(DMA1, LL_DMA_STREAM_0, LL_DMA_DIRECTION_PERIPH_TO_MEMORY);
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LL_DMA_SetStreamPriorityLevel(DMA1, LL_DMA_STREAM_0, LL_DMA_PRIORITY_MEDIUM);
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LL_DMA_SetMode(DMA1, LL_DMA_STREAM_0, LL_DMA_MODE_CIRCULAR);
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LL_DMA_SetPeriphIncMode(DMA1, LL_DMA_STREAM_0, LL_DMA_PERIPH_NOINCREMENT);
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LL_DMA_SetMemoryIncMode(DMA1, LL_DMA_STREAM_0, LL_DMA_MEMORY_INCREMENT);
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LL_DMA_SetPeriphSize(DMA1, LL_DMA_STREAM_0, LL_DMA_PDATAALIGN_BYTE);
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LL_DMA_SetMemorySize(DMA1, LL_DMA_STREAM_0, LL_DMA_MDATAALIGN_BYTE);
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LL_DMA_DisableFifoMode(DMA1, LL_DMA_STREAM_0);
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/* USART1_TX Init */
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LL_DMA_SetPeriphRequest(DMA1, LL_DMA_STREAM_1, LL_DMAMUX1_REQ_USART1_TX);
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LL_DMA_SetDataTransferDirection(DMA1, LL_DMA_STREAM_1, LL_DMA_DIRECTION_MEMORY_TO_PERIPH);
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LL_DMA_SetStreamPriorityLevel(DMA1, LL_DMA_STREAM_1, LL_DMA_PRIORITY_MEDIUM);
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LL_DMA_SetMode(DMA1, LL_DMA_STREAM_1, LL_DMA_MODE_NORMAL);
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LL_DMA_SetPeriphIncMode(DMA1, LL_DMA_STREAM_1, LL_DMA_PERIPH_NOINCREMENT);
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LL_DMA_SetMemoryIncMode(DMA1, LL_DMA_STREAM_1, LL_DMA_MEMORY_INCREMENT);
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LL_DMA_SetPeriphSize(DMA1, LL_DMA_STREAM_1, LL_DMA_PDATAALIGN_BYTE);
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LL_DMA_SetMemorySize(DMA1, LL_DMA_STREAM_1, LL_DMA_MDATAALIGN_BYTE);
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LL_DMA_DisableFifoMode(DMA1, LL_DMA_STREAM_1);
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/* USART1 interrupt Init */
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NVIC_SetPriority(USART1_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),5, 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.PrescalerValue = LL_USART_PRESCALER_DIV1;
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USART_InitStruct.BaudRate = 2000000;
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USART_InitStruct.DataWidth = LL_USART_DATAWIDTH_8B;
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USART_InitStruct.StopBits = LL_USART_STOPBITS_1;
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USART_InitStruct.Parity = LL_USART_PARITY_NONE;
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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_SetTXFIFOThreshold(USART1, LL_USART_FIFOTHRESHOLD_7_8);
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LL_USART_SetRXFIFOThreshold(USART1, LL_USART_FIFOTHRESHOLD_7_8);
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LL_USART_EnableFIFO(USART1);
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LL_USART_ConfigAsyncMode(USART1);
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/* USER CODE BEGIN WKUPType USART1 */
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/* USER CODE END WKUPType USART1 */
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LL_USART_Enable(USART1);
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/* Polling USART1 initialisation */
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while((!(LL_USART_IsActiveFlag_TEACK(USART1))) || (!(LL_USART_IsActiveFlag_REACK(USART1))))
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{
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}
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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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/* USART3 init function */
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void MX_USART3_UART_Init(void)
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{
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/* USER CODE BEGIN USART3_Init 0 */
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/* USER CODE END USART3_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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RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {0};
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/** Initializes the peripherals clock
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*/
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PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_USART3;
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PeriphClkInitStruct.Usart234578ClockSelection = RCC_USART234578CLKSOURCE_D2PCLK1;
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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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/* Peripheral clock enable */
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LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_USART3);
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LL_AHB4_GRP1_EnableClock(LL_AHB4_GRP1_PERIPH_GPIOD);
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/**USART3 GPIO Configuration
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PD8 ------> USART3_TX
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PD9 ------> USART3_RX
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PD12 ------> USART3_DE
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*/
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GPIO_InitStruct.Pin = LL_GPIO_PIN_8|LL_GPIO_PIN_9|LL_GPIO_PIN_12;
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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(GPIOD, &GPIO_InitStruct);
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/* USART3 DMA Init */
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/* USART3_RX Init */
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LL_DMA_SetPeriphRequest(DMA1, LL_DMA_STREAM_2, LL_DMAMUX1_REQ_USART3_RX);
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LL_DMA_SetDataTransferDirection(DMA1, LL_DMA_STREAM_2, LL_DMA_DIRECTION_PERIPH_TO_MEMORY);
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LL_DMA_SetStreamPriorityLevel(DMA1, LL_DMA_STREAM_2, LL_DMA_PRIORITY_MEDIUM);
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LL_DMA_SetMode(DMA1, LL_DMA_STREAM_2, LL_DMA_MODE_CIRCULAR);
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LL_DMA_SetPeriphIncMode(DMA1, LL_DMA_STREAM_2, LL_DMA_PERIPH_NOINCREMENT);
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LL_DMA_SetMemoryIncMode(DMA1, LL_DMA_STREAM_2, LL_DMA_MEMORY_INCREMENT);
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LL_DMA_SetPeriphSize(DMA1, LL_DMA_STREAM_2, LL_DMA_PDATAALIGN_BYTE);
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LL_DMA_SetMemorySize(DMA1, LL_DMA_STREAM_2, LL_DMA_MDATAALIGN_BYTE);
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LL_DMA_DisableFifoMode(DMA1, LL_DMA_STREAM_2);
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/* USART3_TX Init */
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LL_DMA_SetPeriphRequest(DMA1, LL_DMA_STREAM_3, LL_DMAMUX1_REQ_USART3_TX);
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LL_DMA_SetDataTransferDirection(DMA1, LL_DMA_STREAM_3, LL_DMA_DIRECTION_MEMORY_TO_PERIPH);
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LL_DMA_SetStreamPriorityLevel(DMA1, LL_DMA_STREAM_3, LL_DMA_PRIORITY_MEDIUM);
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LL_DMA_SetMode(DMA1, LL_DMA_STREAM_3, LL_DMA_MODE_NORMAL);
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LL_DMA_SetPeriphIncMode(DMA1, LL_DMA_STREAM_3, LL_DMA_PERIPH_NOINCREMENT);
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LL_DMA_SetMemoryIncMode(DMA1, LL_DMA_STREAM_3, LL_DMA_MEMORY_INCREMENT);
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LL_DMA_SetPeriphSize(DMA1, LL_DMA_STREAM_3, LL_DMA_PDATAALIGN_BYTE);
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LL_DMA_SetMemorySize(DMA1, LL_DMA_STREAM_3, LL_DMA_MDATAALIGN_BYTE);
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LL_DMA_DisableFifoMode(DMA1, LL_DMA_STREAM_3);
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/* USART3 interrupt Init */
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NVIC_SetPriority(USART3_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),5, 0));
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NVIC_EnableIRQ(USART3_IRQn);
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/* USER CODE BEGIN USART3_Init 1 */
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/* USER CODE END USART3_Init 1 */
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USART_InitStruct.PrescalerValue = LL_USART_PRESCALER_DIV1;
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USART_InitStruct.BaudRate = 2000000;
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USART_InitStruct.DataWidth = LL_USART_DATAWIDTH_8B;
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USART_InitStruct.StopBits = LL_USART_STOPBITS_1;
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USART_InitStruct.Parity = LL_USART_PARITY_NONE;
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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(USART3, &USART_InitStruct);
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LL_USART_SetTXFIFOThreshold(USART3, LL_USART_FIFOTHRESHOLD_7_8);
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LL_USART_SetRXFIFOThreshold(USART3, LL_USART_FIFOTHRESHOLD_7_8);
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LL_USART_EnableDEMode(USART3);
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LL_USART_SetDESignalPolarity(USART3, LL_USART_DE_POLARITY_HIGH);
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LL_USART_SetDEAssertionTime(USART3, 0);
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LL_USART_SetDEDeassertionTime(USART3, 0);
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LL_USART_EnableFIFO(USART3);
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LL_USART_SetTXRXSwap(USART3, LL_USART_TXRX_SWAPPED);
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LL_USART_ConfigAsyncMode(USART3);
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/* USER CODE BEGIN WKUPType USART3 */
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/* USER CODE END WKUPType USART3 */
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LL_USART_Enable(USART3);
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/* Polling USART3 initialisation */
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while((!(LL_USART_IsActiveFlag_TEACK(USART3))) || (!(LL_USART_IsActiveFlag_REACK(USART3))))
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{
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}
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/* USER CODE BEGIN USART3_Init 2 */
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/* USER CODE END USART3_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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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_GPIOA_CLK_ENABLE();
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__HAL_RCC_GPIOB_CLK_ENABLE();
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/**LPUART1 GPIO Configuration
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PA10 ------> LPUART1_RX
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PB6 ------> LPUART1_TX
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*/
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GPIO_InitStruct.Pin = GPIO_PIN_10;
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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_AF3_LPUART;
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HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
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GPIO_InitStruct.Pin = GPIO_PIN_6;
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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_LPUART;
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HAL_GPIO_Init(GPIOB, &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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PA10 ------> LPUART1_RX
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PB6 ------> LPUART1_TX
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*/
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HAL_GPIO_DeInit(GPIOA, GPIO_PIN_10);
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HAL_GPIO_DeInit(GPIOB, GPIO_PIN_6);
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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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