/********************************** (C) COPYRIGHT *******************************
 * File Name          : ch32v20x_it.c
 * Author             : WCH
 * Version            : V1.0.0
 * Date               : 2021/06/06
 * 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.
*******************************************************************************/
#include "ch32v20x_it.h"

void NMI_Handler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
void HardFault_Handler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
void TAMPER_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      TAMPER_IRQHandler
 *
 * @brief   This function handles Hard Fault exception.
 *
 * @return  none
 */
void TAMPER_IRQHandler(void)
{
    if(BKP_GetITStatus() == SET)
    {
        printf("TAMPER_IRQHandler\r\n");
        printf("BKP_DR1:%08x\r\n", BKP->DATAR1);
        printf("BKP_DR2:%08x\r\n", BKP->DATAR2);
        printf("BKP_DR3:%08x\r\n", BKP->DATAR3);
        printf("BKP_DR4:%08x\r\n", BKP->DATAR4);
    }

    BKP_ClearITPendingBit();
}