lora_bl/Core/Src/stm32f1xx_hal_msp.c

/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file         stm32f1xx_hal_msp.c
  * @brief        This file provides code for the MSP Initialization
  *               and de-Initialization codes.
  ******************************************************************************
  * @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 "main.h"
/* USER CODE BEGIN Includes */

/* USER CODE END Includes */
extern DMA_HandleTypeDef hdma_usart3_rx;

/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN TD */

/* USER CODE END TD */

/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN Define */

/* USER CODE END Define */

/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN Macro */

/* USER CODE END Macro */

/* Private variables ---------------------------------------------------------*/
/* USER CODE BEGIN PV */

/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/
/* USER CODE BEGIN PFP */

/* USER CODE END PFP */

/* External functions --------------------------------------------------------*/
/* USER CODE BEGIN ExternalFunctions */

/* USER CODE END ExternalFunctions */

/* USER CODE BEGIN 0 */

/* USER CODE END 0 */
/**
  * Initializes the Global MSP.
  */
void HAL_MspInit(void)
{

  /* USER CODE BEGIN MspInit 0 */

  /* USER CODE END MspInit 0 */

  __HAL_RCC_AFIO_CLK_ENABLE();
  __HAL_RCC_PWR_CLK_ENABLE();

  /* System interrupt init*/

  /** NOJTAG: JTAG-DP Disabled and SW-DP Enabled
  */
  __HAL_AFIO_REMAP_SWJ_NOJTAG();

  /* USER CODE BEGIN MspInit 1 */

  /* USER CODE END MspInit 1 */
}

/**
  * @brief UART MSP Initialization
  * This function configures the hardware resources used in this example
  * @param huart: UART handle pointer
  * @retval None
  */
void HAL_UART_MspInit(UART_HandleTypeDef* huart)
{
  GPIO_InitTypeDef GPIO_InitStruct = {0};
  if(huart->Instance==USART1)
  {
    /* USER CODE BEGIN USART1_MspInit 0 */

    /* USER CODE END USART1_MspInit 0 */
    /* Peripheral 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_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

    GPIO_InitStruct.Pin = GPIO_PIN_10;
    GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

    /* USER CODE BEGIN USART1_MspInit 1 */

    /* USER CODE END USART1_MspInit 1 */
  }
  else if(huart->Instance==USART2)
  {
    /* USER CODE BEGIN USART2_MspInit 0 */

    /* USER CODE END USART2_MspInit 0 */
    /* Peripheral clock enable */
    __HAL_RCC_USART2_CLK_ENABLE();

    __HAL_RCC_GPIOA_CLK_ENABLE();
    /**USART2 GPIO Configuration
    PA2     ------> USART2_TX
    PA3     ------> USART2_RX
    */
    GPIO_InitStruct.Pin = GPIO_PIN_2;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

    GPIO_InitStruct.Pin = GPIO_PIN_3;
    GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

    /* USART2 interrupt Init */
    HAL_NVIC_SetPriority(USART2_IRQn, 0, 0);
    HAL_NVIC_EnableIRQ(USART2_IRQn);
    /* USER CODE BEGIN USART2_MspInit 1 */

    /* USER CODE END USART2_MspInit 1 */
  }
  else if(huart->Instance==USART3)
  {
    /* USER CODE BEGIN USART3_MspInit 0 */

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

    __HAL_RCC_GPIOB_CLK_ENABLE();
    /**USART3 GPIO Configuration
    PB10     ------> USART3_TX
    PB11     ------> USART3_RX
    */
    GPIO_InitStruct.Pin = GPIO_PIN_10;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
    HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);

    GPIO_InitStruct.Pin = GPIO_PIN_11;
    GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);

    /* USART3 DMA Init */
    /* USART3_RX Init */
    hdma_usart3_rx.Instance = DMA1_Channel3;
    hdma_usart3_rx.Init.Direction = DMA_PERIPH_TO_MEMORY;
    hdma_usart3_rx.Init.PeriphInc = DMA_PINC_DISABLE;
    hdma_usart3_rx.Init.MemInc = DMA_MINC_ENABLE;
    hdma_usart3_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
    hdma_usart3_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
    hdma_usart3_rx.Init.Mode = DMA_NORMAL;
    hdma_usart3_rx.Init.Priority = DMA_PRIORITY_HIGH;
    if (HAL_DMA_Init(&hdma_usart3_rx) != HAL_OK)
    {
      Error_Handler();
    }

    __HAL_LINKDMA(huart,hdmarx,hdma_usart3_rx);

    /* 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 */
  }

}

/**
  * @brief UART MSP De-Initialization
  * This function freeze the hardware resources used in this example
  * @param huart: UART handle pointer
  * @retval None
  */
void HAL_UART_MspDeInit(UART_HandleTypeDef* huart)
{
  if(huart->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);

    /* USER CODE BEGIN USART1_MspDeInit 1 */

    /* USER CODE END USART1_MspDeInit 1 */
  }
  else if(huart->Instance==USART2)
  {
    /* USER CODE BEGIN USART2_MspDeInit 0 */

    /* USER CODE END USART2_MspDeInit 0 */
    /* Peripheral clock disable */
    __HAL_RCC_USART2_CLK_DISABLE();

    /**USART2 GPIO Configuration
    PA2     ------> USART2_TX
    PA3     ------> USART2_RX
    */
    HAL_GPIO_DeInit(GPIOA, GPIO_PIN_2|GPIO_PIN_3);

    /* USART2 interrupt DeInit */
    HAL_NVIC_DisableIRQ(USART2_IRQn);
    /* USER CODE BEGIN USART2_MspDeInit 1 */

    /* USER CODE END USART2_MspDeInit 1 */
  }
  else if(huart->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
    PB10     ------> USART3_TX
    PB11     ------> USART3_RX
    */
    HAL_GPIO_DeInit(GPIOB, GPIO_PIN_10|GPIO_PIN_11);

    /* USART3 DMA DeInit */
    HAL_DMA_DeInit(huart->hdmarx);

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

    /* USER CODE END USART3_MspDeInit 1 */
  }

}

/* USER CODE BEGIN 1 */

/* USER CODE END 1 */