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ch32v20x-examples/EVT/EXAM/USB/USBD/SimulateCDC/User/ch32v20x_it.c
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2024-11-11 14:32:11 +08:00

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1.7 KiB
C

/********************************** (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"
#include "UART.h"
void NMI_Handler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
void HardFault_Handler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
void TIM2_IRQHandler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
/*********************************************************************
* @fn NMI_Handler
*
* @brief This function handles NMI exception.
*
* @return none
*/
void NMI_Handler(void)
{
while (1)
{
}
}
/*********************************************************************
* @fn TIM2_IRQHandler
*
* @brief This function handles TIM2 exception.
*
* @return none
*/
void TIM2_IRQHandler( void )
{
/* uart timeout counts */
Uart.Rx_TimeOut++;
Uart.USB_Up_TimeOut++;
/* clear status */
TIM2->INTFR = (uint16_t)~TIM_IT_Update;
}
/*********************************************************************
* @fn HardFault_Handler
*
* @brief This function handles Hard Fault exception.
*
* @return none
*/
void HardFault_Handler(void)
{
NVIC_SystemReset();
while (1)
{
}
}