ISCS_LOCK_BASE_CAN/mainboard/User/ch32v20x_it.c

/********************************** (C) COPYRIGHT *******************************
 * File Name          : ch32v20x_it.c
 * Author             : WCH
 * Version            : V1.0.0
 * Date               : 2022/06/16
 * Description        : Main Interrupt Service Routines.
 *********************************************************************************
 * Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
 * Attention: This software (modified or not) and binary are used for 
 * microcontroller manufactured by Nanjing Qinheng Microelectronics.
 *******************************************************************************/

/*********************************************************************
 * INCLUDES
 */
#include <user_config.h>
#include "ch32v20x_it.h"
#include "user_nfc.h"
#include "user_can.h"

/*********************************************************************
 * LOCAL FUNCTIONS
 */
void NMI_Handler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
void HardFault_Handler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
void BB_IRQHandler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
void USB_LP_CAN1_RX0_IRQHandler(void) __attribute__((interrupt("WCH-Interrupt-fast")));

/*********************************************************************
 * @fn      NMI_Handler
 *
 * @brief   This function handles NMI exception.
 *
 * @return  None
 */
void NMI_Handler(void)
{
}

/*********************************************************************
 * @fn      HardFault_Handler
 *
 * @brief   This function handles Hard Fault exception.
 *
 * @return  None
 */
void HardFault_Handler(void)
{
    while(1)
    {
    }
}

/*********************************************************************
 * @fn      BB_IRQHandler
 *
 * @brief   BB Interrupt for BLE.
 *
 * @return  None
 */
void BB_IRQHandler(void)
{
    BB_IRQLibHandler();
}

///*********************************************************************
// * @fn      LLE_IRQHandler
// *
// * @brief   LLE Interrupt for BLE.
// *
// * @return  None
// */
//void LLE_IRQHandler(void)
//{
//    LLE_IRQLibHandler();
//}

// CAN接收中断服务函数
void USB_LP_CAN1_RX0_IRQHandler(void)
{
    if(CAN_GetITStatus(CAN1, CAN_IT_FMP0)) // 检查FIFO0消息挂起中断
    {
        CanRxMsg RxMessage;
        CAN_Receive(CAN_TYPE, CAN_FIFO0, &RxMessage);
        vUser_can_recv_data(&RxMessage);
        // 清除中断标志
        CAN_ClearITPendingBit(CAN1, CAN_IT_FMP0);
    }
}