/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file    usart.c
  * @brief   This file provides code for the configuration
  *          of the USART instances.
  ******************************************************************************
  * @attention
  *
  * Copyright (c) 2025 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 */
#include "modbus.h"
/* USER CODE END 0 */

UART_HandleTypeDef huart1;
UART_HandleTypeDef huart3;
UART_HandleTypeDef huart6;
DMA_HandleTypeDef hdma_usart1_tx;
DMA_HandleTypeDef hdma_usart3_tx;
DMA_HandleTypeDef hdma_usart6_tx;

/* USART1 init function */

void MX_USART1_UART_Init(void)
{

  /* USER CODE BEGIN USART1_Init 0 */

  /* USER CODE END USART1_Init 0 */

  /* USER CODE BEGIN USART1_Init 1 */

  /* USER CODE END USART1_Init 1 */
  huart1.Instance = USART1;
  huart1.Init.BaudRate = 115200;
  huart1.Init.WordLength = UART_WORDLENGTH_8B;
  huart1.Init.StopBits = UART_STOPBITS_1;
  huart1.Init.Parity = UART_PARITY_NONE;
  huart1.Init.Mode = UART_MODE_TX_RX;
  huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE;
  huart1.Init.OverSampling = UART_OVERSAMPLING_16;
  if (HAL_UART_Init(&huart1) != HAL_OK)
  {
    Error_Handler();
  }
  /* 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 */

  /* USER CODE BEGIN USART3_Init 1 */

  /* USER CODE END USART3_Init 1 */
  huart3.Instance = USART3;
  huart3.Init.BaudRate = 512000;
  huart3.Init.WordLength = UART_WORDLENGTH_8B;
  huart3.Init.StopBits = UART_STOPBITS_1;
  huart3.Init.Parity = UART_PARITY_NONE;
  huart3.Init.Mode = UART_MODE_TX_RX;
  huart3.Init.HwFlowCtl = UART_HWCONTROL_NONE;
  huart3.Init.OverSampling = UART_OVERSAMPLING_16;
  if (HAL_UART_Init(&huart3) != HAL_OK)
  {
    Error_Handler();
  }
  /* USER CODE BEGIN USART3_Init 2 */

  /* USER CODE END USART3_Init 2 */

}
/* USART6 init function */

void MX_USART6_UART_Init(void)
{

  /* USER CODE BEGIN USART6_Init 0 */

  /* USER CODE END USART6_Init 0 */

  /* USER CODE BEGIN USART6_Init 1 */

  /* USER CODE END USART6_Init 1 */
  huart6.Instance = USART6;
  huart6.Init.BaudRate = 512000;
  huart6.Init.WordLength = UART_WORDLENGTH_8B;
  huart6.Init.StopBits = UART_STOPBITS_1;
  huart6.Init.Parity = UART_PARITY_NONE;
  huart6.Init.Mode = UART_MODE_TX_RX;
  huart6.Init.HwFlowCtl = UART_HWCONTROL_NONE;
  huart6.Init.OverSampling = UART_OVERSAMPLING_16;
  if (HAL_UART_Init(&huart6) != HAL_OK)
  {
    Error_Handler();
  }
  /* USER CODE BEGIN USART6_Init 2 */

  /* USER CODE END USART6_Init 2 */

}

void HAL_UART_MspInit(UART_HandleTypeDef* uartHandle)
{

  GPIO_InitTypeDef GPIO_InitStruct = {0};
  if(uartHandle->Instance==USART1)
  {
  /* USER CODE BEGIN USART1_MspInit 0 */

  /* USER CODE END USART1_MspInit 0 */
    /* USART1 clock enable */
    __HAL_RCC_USART1_CLK_ENABLE();

    __HAL_RCC_GPIOA_CLK_ENABLE();
    /**USART1 GPIO Configuration
    PA9     ------> USART1_TX
    PA10     ------> USART1_RX
    */
    GPIO_InitStruct.Pin = GPIO_PIN_9|GPIO_PIN_10;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
    GPIO_InitStruct.Alternate = GPIO_AF7_USART1;
    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

    /* USART1 DMA Init */
    /* USART1_TX Init */
    hdma_usart1_tx.Instance = DMA2_Stream7;
    hdma_usart1_tx.Init.Channel = DMA_CHANNEL_4;
    hdma_usart1_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
    hdma_usart1_tx.Init.PeriphInc = DMA_PINC_DISABLE;
    hdma_usart1_tx.Init.MemInc = DMA_MINC_ENABLE;
    hdma_usart1_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
    hdma_usart1_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
    hdma_usart1_tx.Init.Mode = DMA_NORMAL;
    hdma_usart1_tx.Init.Priority = DMA_PRIORITY_LOW;
    hdma_usart1_tx.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
    if (HAL_DMA_Init(&hdma_usart1_tx) != HAL_OK)
    {
      Error_Handler();
    }

    __HAL_LINKDMA(uartHandle,hdmatx,hdma_usart1_tx);

    /* USART1 interrupt Init */
    HAL_NVIC_SetPriority(USART1_IRQn, 0, 0);
    HAL_NVIC_EnableIRQ(USART1_IRQn);
  /* USER CODE BEGIN USART1_MspInit 1 */

  /* USER CODE END USART1_MspInit 1 */
  }
  else if(uartHandle->Instance==USART3)
  {
  /* USER CODE BEGIN USART3_MspInit 0 */

  /* USER CODE END USART3_MspInit 0 */
    /* USART3 clock enable */
    __HAL_RCC_USART3_CLK_ENABLE();

    __HAL_RCC_GPIOD_CLK_ENABLE();
    /**USART3 GPIO Configuration
    PD8     ------> USART3_TX
    PD9     ------> USART3_RX
    */
    GPIO_InitStruct.Pin = GPIO_PIN_8|GPIO_PIN_9;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
    GPIO_InitStruct.Alternate = GPIO_AF7_USART3;
    HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);

    /* USART3 DMA Init */
    /* USART3_TX Init */
    hdma_usart3_tx.Instance = DMA1_Stream3;
    hdma_usart3_tx.Init.Channel = DMA_CHANNEL_4;
    hdma_usart3_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
    hdma_usart3_tx.Init.PeriphInc = DMA_PINC_DISABLE;
    hdma_usart3_tx.Init.MemInc = DMA_MINC_ENABLE;
    hdma_usart3_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
    hdma_usart3_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
    hdma_usart3_tx.Init.Mode = DMA_NORMAL;
    hdma_usart3_tx.Init.Priority = DMA_PRIORITY_LOW;
    hdma_usart3_tx.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
    if (HAL_DMA_Init(&hdma_usart3_tx) != HAL_OK)
    {
      Error_Handler();
    }

    __HAL_LINKDMA(uartHandle,hdmatx,hdma_usart3_tx);

    /* USART3 interrupt Init */
    HAL_NVIC_SetPriority(USART3_IRQn, 0, 0);
    HAL_NVIC_EnableIRQ(USART3_IRQn);
  /* USER CODE BEGIN USART3_MspInit 1 */

  /* USER CODE END USART3_MspInit 1 */
  }
  else if(uartHandle->Instance==USART6)
  {
  /* USER CODE BEGIN USART6_MspInit 0 */

  /* USER CODE END USART6_MspInit 0 */
    /* USART6 clock enable */
    __HAL_RCC_USART6_CLK_ENABLE();

    __HAL_RCC_GPIOC_CLK_ENABLE();
    /**USART6 GPIO Configuration
    PC6     ------> USART6_TX
    PC7     ------> USART6_RX
    */
    GPIO_InitStruct.Pin = GPIO_PIN_6|GPIO_PIN_7;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
    GPIO_InitStruct.Alternate = GPIO_AF8_USART6;
    HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);

    /* USART6 DMA Init */
    /* USART6_TX Init */
    hdma_usart6_tx.Instance = DMA2_Stream6;
    hdma_usart6_tx.Init.Channel = DMA_CHANNEL_5;
    hdma_usart6_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
    hdma_usart6_tx.Init.PeriphInc = DMA_PINC_DISABLE;
    hdma_usart6_tx.Init.MemInc = DMA_MINC_ENABLE;
    hdma_usart6_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
    hdma_usart6_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
    hdma_usart6_tx.Init.Mode = DMA_NORMAL;
    hdma_usart6_tx.Init.Priority = DMA_PRIORITY_LOW;
    hdma_usart6_tx.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
    if (HAL_DMA_Init(&hdma_usart6_tx) != HAL_OK)
    {
      Error_Handler();
    }

    __HAL_LINKDMA(uartHandle,hdmatx,hdma_usart6_tx);

    /* USART6 interrupt Init */
    HAL_NVIC_SetPriority(USART6_IRQn, 0, 0);
    HAL_NVIC_EnableIRQ(USART6_IRQn);
  /* USER CODE BEGIN USART6_MspInit 1 */

  /* USER CODE END USART6_MspInit 1 */
  }
}

void HAL_UART_MspDeInit(UART_HandleTypeDef* uartHandle)
{

  if(uartHandle->Instance==USART1)
  {
  /* USER CODE BEGIN USART1_MspDeInit 0 */

  /* USER CODE END USART1_MspDeInit 0 */
    /* Peripheral clock disable */
    __HAL_RCC_USART1_CLK_DISABLE();

    /**USART1 GPIO Configuration
    PA9     ------> USART1_TX
    PA10     ------> USART1_RX
    */
    HAL_GPIO_DeInit(GPIOA, GPIO_PIN_9|GPIO_PIN_10);

    /* USART1 DMA DeInit */
    HAL_DMA_DeInit(uartHandle->hdmatx);

    /* USART1 interrupt Deinit */
    HAL_NVIC_DisableIRQ(USART1_IRQn);
  /* USER CODE BEGIN USART1_MspDeInit 1 */

  /* USER CODE END USART1_MspDeInit 1 */
  }
  else if(uartHandle->Instance==USART3)
  {
  /* USER CODE BEGIN USART3_MspDeInit 0 */

  /* USER CODE END USART3_MspDeInit 0 */
    /* Peripheral clock disable */
    __HAL_RCC_USART3_CLK_DISABLE();

    /**USART3 GPIO Configuration
    PD8     ------> USART3_TX
    PD9     ------> USART3_RX
    */
    HAL_GPIO_DeInit(GPIOD, GPIO_PIN_8|GPIO_PIN_9);

    /* USART3 DMA DeInit */
    HAL_DMA_DeInit(uartHandle->hdmatx);

    /* USART3 interrupt Deinit */
    HAL_NVIC_DisableIRQ(USART3_IRQn);
  /* USER CODE BEGIN USART3_MspDeInit 1 */

  /* USER CODE END USART3_MspDeInit 1 */
  }
  else if(uartHandle->Instance==USART6)
  {
  /* USER CODE BEGIN USART6_MspDeInit 0 */

  /* USER CODE END USART6_MspDeInit 0 */
    /* Peripheral clock disable */
    __HAL_RCC_USART6_CLK_DISABLE();

    /**USART6 GPIO Configuration
    PC6     ------> USART6_TX
    PC7     ------> USART6_RX
    */
    HAL_GPIO_DeInit(GPIOC, GPIO_PIN_6|GPIO_PIN_7);

    /* USART6 DMA DeInit */
    HAL_DMA_DeInit(uartHandle->hdmatx);

    /* USART6 interrupt Deinit */
    HAL_NVIC_DisableIRQ(USART6_IRQn);
  /* USER CODE BEGIN USART6_MspDeInit 1 */

  /* USER CODE END USART6_MspDeInit 1 */
  }
}

/* USER CODE BEGIN 1 */
UART_BUF uart1;			//串口结构体实体
uint8_t RxBuffer;		//接收数据中间变量

uint8_t hart_flag = 0;

#pragma import(__use_no_semihosting_swi)
#pragma import(__use_no_semihosting) 

void _sys_exit(int x) { 
    x = x; 
} 

struct __FILE  { 
    int handle; 
    /* Whatever you require here. If the only file you are using is */ 
    /* standard output using printf() for debugging, no file handling */ 
    /* is required. */ 
}; 
/* FILE is typedef’ d in stdio.h. */ 
FILE __stdout;

int fputc(int ch, FILE *f)
{
 
  HAL_UART_Transmit(&huart1, (uint8_t *)&ch, 1, 0xffff);
 
  return ch;
 
}

void uart_send(UART_HandleTypeDef *huart,uint8_t *Tx_Buf,uint16_t Size)
{
	HAL_UART_Transmit_DMA(huart,Tx_Buf,Size);
}

void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart)
{
	if(huart->Instance == USART1)
	{
		modbus_rx_cb();
	}
	if(huart->Instance == USART3)
	{
		modbus_uart3_rx_cb();
	}
	if(huart->Instance == USART6)
	{
		modbus_uart6_rx_cb();
	}
}

/* USER CODE END 1 */