/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file         stm32f3xx_hal_msp.c
  * @brief        This file provides code for the MSP Initialization
  *               and de-Initialization codes.
  ******************************************************************************
  * @attention
  *
  * Copyright (c) 2022 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.
  *
  ******************************************************************************
  */
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/* Includes ------------------------------------------------------------------*/
#include "main.h"
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/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN TD */

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

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

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

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

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

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/* USER CODE BEGIN 0 */

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

  /* USER CODE END MspInit 0 */

  __HAL_RCC_SYSCFG_CLK_ENABLE();
  __HAL_RCC_PWR_CLK_ENABLE();

  /* System interrupt init*/

  /* USER CODE BEGIN MspInit 1 */

  /* USER CODE END MspInit 1 */
}

/**
* @brief CAN MSP Initialization
* This function configures the hardware resources used in this example
* @param hcan: CAN handle pointer
* @retval None
*/
void HAL_CAN_MspInit(CAN_HandleTypeDef* hcan)
{
  GPIO_InitTypeDef GPIO_InitStruct = {0};
  if(hcan->Instance==CAN)
  {
  /* USER CODE BEGIN CAN_MspInit 0 */

  /* USER CODE END CAN_MspInit 0 */
    /* Peripheral clock enable */
    __HAL_RCC_CAN1_CLK_ENABLE();

    __HAL_RCC_GPIOA_CLK_ENABLE();
    /**CAN GPIO Configuration
    PA11     ------> CAN_RX
    PA12     ------> CAN_TX
    */
    GPIO_InitStruct.Pin = GPIO_PIN_11|GPIO_PIN_12;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
    GPIO_InitStruct.Alternate = GPIO_AF9_TIM1;
    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

    /* CAN interrupt Init */
    HAL_NVIC_SetPriority(USB_LP_CAN_RX0_IRQn, 0, 0);
    HAL_NVIC_EnableIRQ(USB_LP_CAN_RX0_IRQn);
  /* USER CODE BEGIN CAN_MspInit 1 */

  /* USER CODE END CAN_MspInit 1 */
  }

}

/**
* @brief CAN MSP De-Initialization
* This function freeze the hardware resources used in this example
* @param hcan: CAN handle pointer
* @retval None
*/
void HAL_CAN_MspDeInit(CAN_HandleTypeDef* hcan)
{
  if(hcan->Instance==CAN)
  {
  /* USER CODE BEGIN CAN_MspDeInit 0 */

  /* USER CODE END CAN_MspDeInit 0 */
    /* Peripheral clock disable */
    __HAL_RCC_CAN1_CLK_DISABLE();

    /**CAN GPIO Configuration
    PA11     ------> CAN_RX
    PA12     ------> CAN_TX
    */
    HAL_GPIO_DeInit(GPIOA, GPIO_PIN_11|GPIO_PIN_12);

    /* CAN interrupt DeInit */
    HAL_NVIC_DisableIRQ(USB_LP_CAN_RX0_IRQn);
  /* USER CODE BEGIN CAN_MspDeInit 1 */

  /* USER CODE END CAN_MspDeInit 1 */
  }

}

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