/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * File Name          : stm32f1xx_hal_msp.c
  * Description        : This file provides code for the MSP Initialization
  *                      and de-Initialization codes.
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; Copyright (c) 2020 STMicroelectronics.
  * All rights reserved.</center></h2>
  *
  * This software component is licensed by ST under BSD 3-Clause license,
  * the "License"; You may not use this file except in compliance with the
  * License. You may obtain a copy of the License at:
  *                        opensource.org/licenses/BSD-3-Clause
  *
  ******************************************************************************
  */
/* USER CODE END Header */

/* Includes ------------------------------------------------------------------*/
#include "main.h"
/* USER CODE BEGIN Includes */
#include "stm32f1xx_ll_rcc.h"
/* USER CODE END Includes */

/* 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*/

  /** DISABLE: JTAG-DP Disabled and SW-DP Disabled
  */
  __HAL_AFIO_REMAP_SWJ_DISABLE();

  /* USER CODE BEGIN MspInit 1 */
  /* Enable JTAG-DP and SW-DP again, otherwise you cannot debug. */
  __HAL_AFIO_REMAP_SWJ_ENABLE();
  /* 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==CAN1)
  {
  /* USER CODE BEGIN CAN1_MspInit 0 */

  /* USER CODE END CAN1_MspInit 0 */
    /* Peripheral clock enable */
    __HAL_RCC_CAN1_CLK_ENABLE();

    __HAL_RCC_GPIOB_CLK_ENABLE();
    /**CAN GPIO Configuration
    PB8     ------> CAN_RX
    PB9     ------> CAN_TX
    */
    GPIO_InitStruct.Pin = GPIO_PIN_8;
    GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);

    GPIO_InitStruct.Pin = GPIO_PIN_9;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
    HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);

    __HAL_AFIO_REMAP_CAN1_2();

  /* USER CODE BEGIN CAN1_MspInit 1 */

  /* USER CODE END CAN1_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==CAN1)
  {
  /* USER CODE BEGIN CAN1_MspDeInit 0 */

  /* USER CODE END CAN1_MspDeInit 0 */
    /* Peripheral clock disable */
    __HAL_RCC_CAN1_CLK_DISABLE();

    /**CAN GPIO Configuration
    PB8     ------> CAN_RX
    PB9     ------> CAN_TX
    */
    HAL_GPIO_DeInit(GPIOB, GPIO_PIN_8|GPIO_PIN_9);

  /* USER CODE BEGIN CAN1_MspDeInit 1 */

  /* USER CODE END CAN1_MspDeInit 1 */
  }

}

/* USER CODE BEGIN 1 */
/**
  * De-Initializes the Global MSP.
  */
void HAL_MspDeInit(void)
{
  /* Reset the RCC clock configuration to the default reset state. */
  LL_RCC_DeInit();

  /* Deinit used GPIOs. */
  LL_GPIO_DeInit(GPIOC);
  LL_GPIO_DeInit(GPIOB);
  LL_GPIO_DeInit(GPIOA);

  /* CAN clock disable. */
  LL_APB1_GRP1_DisableClock(LL_APB1_GRP1_PERIPH_CAN1);

  /* Disable UART peripheral */
  LL_USART_Disable(USART2);
  /* UART clock disable. */
  LL_APB1_GRP1_DisableClock(LL_APB1_GRP1_PERIPH_USART2);

  /* GPIO ports clock disable. */
  LL_APB2_GRP1_DisableClock(LL_APB2_GRP1_PERIPH_GPIOC);
  LL_APB2_GRP1_DisableClock(LL_APB2_GRP1_PERIPH_GPIOB);
  LL_APB2_GRP1_DisableClock(LL_APB2_GRP1_PERIPH_GPIOA);

  /* AFIO and PWR clock disable. */
  LL_APB1_GRP1_DisableClock(LL_APB1_GRP1_PERIPH_PWR);
  LL_APB2_GRP1_DisableClock(LL_APB2_GRP1_PERIPH_AFIO);
}
/* USER CODE END 1 */

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/