/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file    usart.c
  * @brief   This file provides code for the configuration
  *          of the USART instances.
  ******************************************************************************
  * @attention
  *
  * Copyright (c) 2024 STMicroelectronics.
  * All rights reserved.
  *
  * This software is licensed under terms that can be found in the LICENSE file
  * in the root directory of this software component.
  * If no LICENSE file comes with this software, it is provided AS-IS.
  *
  ******************************************************************************
  */
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "usart.h"

/* USER CODE BEGIN 0 */

/* USER CODE END 0 */

UART_HandleTypeDef hlpuart1;
DMA_HandleTypeDef hdma_lpuart1_rx;
DMA_HandleTypeDef hdma_lpuart1_tx;

/* 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 = 1000000;
  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;
  hlpuart1.FifoMode = UART_FIFOMODE_DISABLE;
  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 */

}
/* USART1 init function */

void MX_USART1_UART_Init(void)
{

  /* USER CODE BEGIN USART1_Init 0 */

  /* USER CODE END USART1_Init 0 */

  LL_USART_InitTypeDef USART_InitStruct = {0};

  LL_GPIO_InitTypeDef GPIO_InitStruct = {0};
  RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {0};

  /** Initializes the peripherals clock
  */
  PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_USART1;
  PeriphClkInitStruct.Usart16ClockSelection = RCC_USART16910CLKSOURCE_D2PCLK2;
  if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK)
  {
    Error_Handler();
  }

  /* Peripheral clock enable */
  LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_USART1);

  LL_AHB4_GRP1_EnableClock(LL_AHB4_GRP1_PERIPH_GPIOB);
  /**USART1 GPIO Configuration
  PB14   ------> USART1_TX
  PB15   ------> USART1_RX
  */
  GPIO_InitStruct.Pin = LL_GPIO_PIN_14|LL_GPIO_PIN_15;
  GPIO_InitStruct.Mode = LL_GPIO_MODE_ALTERNATE;
  GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_VERY_HIGH;
  GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL;
  GPIO_InitStruct.Pull = LL_GPIO_PULL_NO;
  GPIO_InitStruct.Alternate = LL_GPIO_AF_4;
  LL_GPIO_Init(GPIOB, &GPIO_InitStruct);

  /* USART1 DMA Init */

  /* USART1_RX Init */
  LL_DMA_SetPeriphRequest(DMA1, LL_DMA_STREAM_0, LL_DMAMUX1_REQ_USART1_RX);

  LL_DMA_SetDataTransferDirection(DMA1, LL_DMA_STREAM_0, LL_DMA_DIRECTION_PERIPH_TO_MEMORY);

  LL_DMA_SetStreamPriorityLevel(DMA1, LL_DMA_STREAM_0, LL_DMA_PRIORITY_MEDIUM);

  LL_DMA_SetMode(DMA1, LL_DMA_STREAM_0, LL_DMA_MODE_CIRCULAR);

  LL_DMA_SetPeriphIncMode(DMA1, LL_DMA_STREAM_0, LL_DMA_PERIPH_NOINCREMENT);

  LL_DMA_SetMemoryIncMode(DMA1, LL_DMA_STREAM_0, LL_DMA_MEMORY_INCREMENT);

  LL_DMA_SetPeriphSize(DMA1, LL_DMA_STREAM_0, LL_DMA_PDATAALIGN_BYTE);

  LL_DMA_SetMemorySize(DMA1, LL_DMA_STREAM_0, LL_DMA_MDATAALIGN_BYTE);

  LL_DMA_DisableFifoMode(DMA1, LL_DMA_STREAM_0);

  /* USART1_TX Init */
  LL_DMA_SetPeriphRequest(DMA1, LL_DMA_STREAM_1, LL_DMAMUX1_REQ_USART1_TX);

  LL_DMA_SetDataTransferDirection(DMA1, LL_DMA_STREAM_1, LL_DMA_DIRECTION_MEMORY_TO_PERIPH);

  LL_DMA_SetStreamPriorityLevel(DMA1, LL_DMA_STREAM_1, LL_DMA_PRIORITY_MEDIUM);

  LL_DMA_SetMode(DMA1, LL_DMA_STREAM_1, LL_DMA_MODE_NORMAL);

  LL_DMA_SetPeriphIncMode(DMA1, LL_DMA_STREAM_1, LL_DMA_PERIPH_NOINCREMENT);

  LL_DMA_SetMemoryIncMode(DMA1, LL_DMA_STREAM_1, LL_DMA_MEMORY_INCREMENT);

  LL_DMA_SetPeriphSize(DMA1, LL_DMA_STREAM_1, LL_DMA_PDATAALIGN_BYTE);

  LL_DMA_SetMemorySize(DMA1, LL_DMA_STREAM_1, LL_DMA_MDATAALIGN_BYTE);

  LL_DMA_DisableFifoMode(DMA1, LL_DMA_STREAM_1);

  /* USART1 interrupt Init */
  NVIC_SetPriority(USART1_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),5, 0));
  NVIC_EnableIRQ(USART1_IRQn);

  /* USER CODE BEGIN USART1_Init 1 */

  /* USER CODE END USART1_Init 1 */
  USART_InitStruct.PrescalerValue = LL_USART_PRESCALER_DIV1;
  USART_InitStruct.BaudRate = 2000000;
  USART_InitStruct.DataWidth = LL_USART_DATAWIDTH_8B;
  USART_InitStruct.StopBits = LL_USART_STOPBITS_1;
  USART_InitStruct.Parity = LL_USART_PARITY_NONE;
  USART_InitStruct.TransferDirection = LL_USART_DIRECTION_TX_RX;
  USART_InitStruct.HardwareFlowControl = LL_USART_HWCONTROL_NONE;
  USART_InitStruct.OverSampling = LL_USART_OVERSAMPLING_16;
  LL_USART_Init(USART1, &USART_InitStruct);
  LL_USART_SetTXFIFOThreshold(USART1, LL_USART_FIFOTHRESHOLD_7_8);
  LL_USART_SetRXFIFOThreshold(USART1, LL_USART_FIFOTHRESHOLD_7_8);
  LL_USART_EnableFIFO(USART1);
  LL_USART_ConfigAsyncMode(USART1);

  /* USER CODE BEGIN WKUPType USART1 */

  /* USER CODE END WKUPType USART1 */

  LL_USART_Enable(USART1);

  /* Polling USART1 initialisation */
  while((!(LL_USART_IsActiveFlag_TEACK(USART1))) || (!(LL_USART_IsActiveFlag_REACK(USART1))))
  {
  }
  /* USER CODE BEGIN USART1_Init 2 */

  /* USER CODE END USART1_Init 2 */

}
/* USART3 init function */

void MX_USART3_UART_Init(void)
{

  /* USER CODE BEGIN USART3_Init 0 */

  /* USER CODE END USART3_Init 0 */

  LL_USART_InitTypeDef USART_InitStruct = {0};

  LL_GPIO_InitTypeDef GPIO_InitStruct = {0};
  RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {0};

  /** Initializes the peripherals clock
  */
  PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_USART3;
  PeriphClkInitStruct.Usart234578ClockSelection = RCC_USART234578CLKSOURCE_D2PCLK1;
  if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK)
  {
    Error_Handler();
  }

  /* Peripheral clock enable */
  LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_USART3);

  LL_AHB4_GRP1_EnableClock(LL_AHB4_GRP1_PERIPH_GPIOD);
  /**USART3 GPIO Configuration
  PD8   ------> USART3_TX
  PD9   ------> USART3_RX
  PD12   ------> USART3_DE
  */
  GPIO_InitStruct.Pin = LL_GPIO_PIN_8|LL_GPIO_PIN_9|LL_GPIO_PIN_12;
  GPIO_InitStruct.Mode = LL_GPIO_MODE_ALTERNATE;
  GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_VERY_HIGH;
  GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL;
  GPIO_InitStruct.Pull = LL_GPIO_PULL_NO;
  GPIO_InitStruct.Alternate = LL_GPIO_AF_7;
  LL_GPIO_Init(GPIOD, &GPIO_InitStruct);

  /* USART3 DMA Init */

  /* USART3_RX Init */
  LL_DMA_SetPeriphRequest(DMA1, LL_DMA_STREAM_2, LL_DMAMUX1_REQ_USART3_RX);

  LL_DMA_SetDataTransferDirection(DMA1, LL_DMA_STREAM_2, LL_DMA_DIRECTION_PERIPH_TO_MEMORY);

  LL_DMA_SetStreamPriorityLevel(DMA1, LL_DMA_STREAM_2, LL_DMA_PRIORITY_MEDIUM);

  LL_DMA_SetMode(DMA1, LL_DMA_STREAM_2, LL_DMA_MODE_CIRCULAR);

  LL_DMA_SetPeriphIncMode(DMA1, LL_DMA_STREAM_2, LL_DMA_PERIPH_NOINCREMENT);

  LL_DMA_SetMemoryIncMode(DMA1, LL_DMA_STREAM_2, LL_DMA_MEMORY_INCREMENT);

  LL_DMA_SetPeriphSize(DMA1, LL_DMA_STREAM_2, LL_DMA_PDATAALIGN_BYTE);

  LL_DMA_SetMemorySize(DMA1, LL_DMA_STREAM_2, LL_DMA_MDATAALIGN_BYTE);

  LL_DMA_DisableFifoMode(DMA1, LL_DMA_STREAM_2);

  /* USART3_TX Init */
  LL_DMA_SetPeriphRequest(DMA1, LL_DMA_STREAM_3, LL_DMAMUX1_REQ_USART3_TX);

  LL_DMA_SetDataTransferDirection(DMA1, LL_DMA_STREAM_3, LL_DMA_DIRECTION_MEMORY_TO_PERIPH);

  LL_DMA_SetStreamPriorityLevel(DMA1, LL_DMA_STREAM_3, LL_DMA_PRIORITY_MEDIUM);

  LL_DMA_SetMode(DMA1, LL_DMA_STREAM_3, LL_DMA_MODE_NORMAL);

  LL_DMA_SetPeriphIncMode(DMA1, LL_DMA_STREAM_3, LL_DMA_PERIPH_NOINCREMENT);

  LL_DMA_SetMemoryIncMode(DMA1, LL_DMA_STREAM_3, LL_DMA_MEMORY_INCREMENT);

  LL_DMA_SetPeriphSize(DMA1, LL_DMA_STREAM_3, LL_DMA_PDATAALIGN_BYTE);

  LL_DMA_SetMemorySize(DMA1, LL_DMA_STREAM_3, LL_DMA_MDATAALIGN_BYTE);

  LL_DMA_DisableFifoMode(DMA1, LL_DMA_STREAM_3);

  /* USART3 interrupt Init */
  NVIC_SetPriority(USART3_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),5, 0));
  NVIC_EnableIRQ(USART3_IRQn);

  /* USER CODE BEGIN USART3_Init 1 */

  /* USER CODE END USART3_Init 1 */
  USART_InitStruct.PrescalerValue = LL_USART_PRESCALER_DIV1;
  USART_InitStruct.BaudRate = 2000000;
  USART_InitStruct.DataWidth = LL_USART_DATAWIDTH_8B;
  USART_InitStruct.StopBits = LL_USART_STOPBITS_1;
  USART_InitStruct.Parity = LL_USART_PARITY_NONE;
  USART_InitStruct.TransferDirection = LL_USART_DIRECTION_TX_RX;
  USART_InitStruct.HardwareFlowControl = LL_USART_HWCONTROL_NONE;
  USART_InitStruct.OverSampling = LL_USART_OVERSAMPLING_16;
  LL_USART_Init(USART3, &USART_InitStruct);
  LL_USART_SetTXFIFOThreshold(USART3, LL_USART_FIFOTHRESHOLD_7_8);
  LL_USART_SetRXFIFOThreshold(USART3, LL_USART_FIFOTHRESHOLD_7_8);
  LL_USART_EnableDEMode(USART3);
  LL_USART_SetDESignalPolarity(USART3, LL_USART_DE_POLARITY_HIGH);
  LL_USART_SetDEAssertionTime(USART3, 0);
  LL_USART_SetDEDeassertionTime(USART3, 0);
  LL_USART_EnableFIFO(USART3);
  LL_USART_SetTXRXSwap(USART3, LL_USART_TXRX_SWAPPED);
  LL_USART_ConfigAsyncMode(USART3);

  /* USER CODE BEGIN WKUPType USART3 */

  /* USER CODE END WKUPType USART3 */

  LL_USART_Enable(USART3);

  /* Polling USART3 initialisation */
  while((!(LL_USART_IsActiveFlag_TEACK(USART3))) || (!(LL_USART_IsActiveFlag_REACK(USART3))))
  {
  }
  /* USER CODE BEGIN USART3_Init 2 */

  /* USER CODE END USART3_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();
    __HAL_RCC_GPIOB_CLK_ENABLE();
    /**LPUART1 GPIO Configuration
    PA10     ------> LPUART1_RX
    PB6     ------> LPUART1_TX
    */
    GPIO_InitStruct.Pin = GPIO_PIN_10;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
    GPIO_InitStruct.Alternate = GPIO_AF3_LPUART;
    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

    GPIO_InitStruct.Pin = GPIO_PIN_6;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
    GPIO_InitStruct.Alternate = GPIO_AF8_LPUART;
    HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);

    /* LPUART1 DMA Init */
    /* LPUART1_RX Init */
    hdma_lpuart1_rx.Instance = BDMA_Channel0;
    hdma_lpuart1_rx.Init.Request = BDMA_REQUEST_LPUART1_RX;
    hdma_lpuart1_rx.Init.Direction = DMA_PERIPH_TO_MEMORY;
    hdma_lpuart1_rx.Init.PeriphInc = DMA_PINC_DISABLE;
    hdma_lpuart1_rx.Init.MemInc = DMA_MINC_ENABLE;
    hdma_lpuart1_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
    hdma_lpuart1_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
    hdma_lpuart1_rx.Init.Mode = DMA_NORMAL;
    hdma_lpuart1_rx.Init.Priority = DMA_PRIORITY_LOW;
    if (HAL_DMA_Init(&hdma_lpuart1_rx) != HAL_OK)
    {
      Error_Handler();
    }

    __HAL_LINKDMA(uartHandle,hdmarx,hdma_lpuart1_rx);

    /* LPUART1_TX Init */
    hdma_lpuart1_tx.Instance = BDMA_Channel1;
    hdma_lpuart1_tx.Init.Request = BDMA_REQUEST_LPUART1_TX;
    hdma_lpuart1_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
    hdma_lpuart1_tx.Init.PeriphInc = DMA_PINC_DISABLE;
    hdma_lpuart1_tx.Init.MemInc = DMA_MINC_ENABLE;
    hdma_lpuart1_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
    hdma_lpuart1_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
    hdma_lpuart1_tx.Init.Mode = DMA_NORMAL;
    hdma_lpuart1_tx.Init.Priority = DMA_PRIORITY_LOW;
    if (HAL_DMA_Init(&hdma_lpuart1_tx) != HAL_OK)
    {
      Error_Handler();
    }

    __HAL_LINKDMA(uartHandle,hdmatx,hdma_lpuart1_tx);

  /* 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
    PA10     ------> LPUART1_RX
    PB6     ------> LPUART1_TX
    */
    HAL_GPIO_DeInit(GPIOA, GPIO_PIN_10);

    HAL_GPIO_DeInit(GPIOB, GPIO_PIN_6);

    /* LPUART1 DMA DeInit */
    HAL_DMA_DeInit(uartHandle->hdmarx);
    HAL_DMA_DeInit(uartHandle->hdmatx);
  /* USER CODE BEGIN LPUART1_MspDeInit 1 */

  /* USER CODE END LPUART1_MspDeInit 1 */
  }
}

/* USER CODE BEGIN 1 */

/* USER CODE END 1 */