C++ (Cpp) CANx_CLK_ENABLE Exemples

Exemple #1

Fichier : stm32f4xx_hal_msp.c Projet : Bosvark/STM32Cube_FW_F4_V1.1.0

/**
  * @brief CAN MSP Initialization 
  *        This function configures the hardware resources used in this example: 
  *           - Peripheral's clock enable
  *           - Peripheral's GPIO Configuration  
  * @param hcan: CAN handle pointer
  * @retval None
  */
void HAL_CAN_MspInit(CAN_HandleTypeDef* hcan)
{
  GPIO_InitTypeDef   GPIO_InitStruct;
  
  /*##-1- Enable peripherals and GPIO Clocks #################################*/
  /* CAN1 Periph clock enable */
  CANx_CLK_ENABLE();
  /* Enable GPIO clock ****************************************/
  CANx_GPIO_CLK_ENABLE();
  
  /*##-2- Configure peripheral GPIO ##########################################*/ 
  /* CAN1 TX GPIO pin configuration */
  GPIO_InitStruct.Pin = CANx_TX_PIN;
  GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
  GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
  GPIO_InitStruct.Pull = GPIO_PULLUP;
  GPIO_InitStruct.Alternate =  CANx_TX_AF;
  
  HAL_GPIO_Init(CANx_TX_GPIO_PORT, &GPIO_InitStruct);
  
  /* CAN1 RX GPIO pin configuration */
  GPIO_InitStruct.Pin = CANx_RX_PIN;
  GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
  GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
  GPIO_InitStruct.Pull = GPIO_PULLUP;
  GPIO_InitStruct.Alternate =  CANx_RX_AF;
  
  HAL_GPIO_Init(CANx_TX_GPIO_PORT, &GPIO_InitStruct);
}

Exemple #2

Fichier : stm32f4xx_hal_msp.c Projet : 451506709/automated_machine

/**
  * @brief CAN MSP Initialization 
  *        This function configures the hardware resources used in this example: 
  *           - Peripheral's clock enable
  *           - Peripheral's GPIO Configuration  
  *           - NVIC configuration for DMA interrupt request enable
  * @param hcan: CAN handle pointer
  * @retval None
  */
void HAL_CAN_MspInit(CAN_HandleTypeDef* hcan)
{
  GPIO_InitTypeDef   GPIO_InitStruct;
  
  /*##-1- Enable peripherals and GPIO Clocks #################################*/
  /* CAN1 Periph clock enable */
  CANx_CLK_ENABLE();
  /* Enable GPIO clock ****************************************/
  CANx_GPIO_CLK_ENABLE();
  
  /*##-2- Configure peripheral GPIO ##########################################*/ 
  /* CAN1 TX GPIO pin configuration */
  GPIO_InitStruct.Pin = CANx_TX_PIN;
  GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
  GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
  GPIO_InitStruct.Pull = GPIO_PULLUP;
  GPIO_InitStruct.Alternate =  CANx_TX_AF;
  
  HAL_GPIO_Init(CANx_TX_GPIO_PORT, &GPIO_InitStruct);
  
  /* CAN1 RX GPIO pin configuration */
  GPIO_InitStruct.Pin = CANx_RX_PIN;
  GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
  GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
  GPIO_InitStruct.Pull = GPIO_PULLUP;
  GPIO_InitStruct.Alternate =  CANx_RX_AF;
  
  HAL_GPIO_Init(CANx_TX_GPIO_PORT, &GPIO_InitStruct);
  
  /*##-3- Configure the NVIC #################################################*/
  /* NVIC configuration for CAN1 Reception complete interrupt */
  HAL_NVIC_SetPriority(CANx_RX_IRQn, 1, 0);
  HAL_NVIC_EnableIRQ(CANx_RX_IRQn);
}

Exemple #3

Fichier : can2_task.c Projet : efimefimefim/HexConnect

/**
 * @brief	Enables the CAN2 interface with the current settings
 * @param	None
 * @retval	None
 */
static ErrorStatus prvEnableCan2Interface()
{
    /*##-1- Enable peripheral Clocks ###########################################*/
    /* CAN2 Peripheral clock enable */
    CANx_CLK_ENABLE();

    /*##-2- Configure the NVIC #################################################*/
    /* NVIC configuration for CAN2 Reception complete interrupt */
    HAL_NVIC_SetPriority(CANx_RX_IRQn, configLIBRARY_LOWEST_INTERRUPT_PRIORITY, 0);
    HAL_NVIC_EnableIRQ(CANx_RX_IRQn);

    /*##-3- Configure the CAN peripheral #######################################*/
    if (HAL_CAN_Init(&CAN_Handle) != HAL_OK)
    {
        /* Initialization Error */
        goto error;
    }

    /*##-4- Configure the CAN Filter ###########################################*/
    if (HAL_CAN_ConfigFilter(&CAN_Handle, &CAN_Filter) != HAL_OK)
    {
        /* Filter configuration Error */
        goto error;
    }

    /*##-5- Configure Transmission process #####################################*/
    CAN_Handle.pTxMsg->StdId = 0x321;
    CAN_Handle.pTxMsg->ExtId = 0x01;
    CAN_Handle.pTxMsg->RTR = CAN_RTR_DATA;
    CAN_Handle.pTxMsg->IDE = CAN_ID_STD;
    CAN_Handle.pTxMsg->DLC = 2;

    /*##-6- Start the Reception process and enable reception interrupt #########*/
    if (HAL_CAN_Receive_IT(&CAN_Handle, CAN_FIFO0) != HAL_OK)
    {
        /* Reception Error */
        goto error;
    }

    return SUCCESS;

error:
    /* Something went wrong so disable */
    prvDisableCan2Interface();
    return ERROR;
}

Exemple #4

Fichier : can.c Projet : AAU-Racing/demo_board

void HAL_CAN_MspInit(CAN_HandleTypeDef* hcan) {
	(void)hcan;
	__HAL_RCC_CAN1_CLK_ENABLE(); // Must always enable CAN1 clk even if we only use CAN2

	{
		__HAL_RCC_CAN1_CLK_ENABLE();
		__HAL_RCC_CAN2_CLK_ENABLE();
	}

	CANx_CLK_ENABLE();
	CANx_GPIO_CLK_ENABLE();

	HAL_GPIO_Init(CANx_TX_GPIO_PORT, &(GPIO_InitTypeDef){
		.Pin       = CANx_TX_PIN,
		.Mode      = GPIO_MODE_AF_PP,
		.Speed     = GPIO_SPEED_FAST,
		.Pull      = GPIO_NOPULL, //GPIO_PULLUP,
		.Alternate = CANx_TX_AF,
	});