97 lines
2.8 KiB
C
97 lines
2.8 KiB
C
/********************************** (C) COPYRIGHT *******************************
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* File Name : ch32v30x_it.c
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* Author : WCH
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* Version : V1.0.0
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* Date : 2022/01/18
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* Description : Main Interrupt Service Routines.
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*********************************************************************************
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* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
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* Attention: This software (modified or not) and binary are used for
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* microcontroller manufactured by Nanjing Qinheng Microelectronics.
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*******************************************************************************/
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#include "eth_driver.h"
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#include "ch32v30x_it.h"
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void NMI_Handler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
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void HardFault_Handler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
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void ETH_IRQHandler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
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void TIM2_IRQHandler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
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void EXTI9_5_IRQHandler(void) __attribute__((interrupt()));
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/*********************************************************************
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* 毫秒计数器：由 TIM2_IRQHandler 每 WCHNETTIMERPERIOD ms 累加一次。
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* main.c 通过 extern 声明后直接使用，无需 SysTick_Init()。
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*********************************************************************/
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volatile uint32_t sys_tick_ms = 0;
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/*********************************************************************
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* @fn NMI_Handler
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*
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* @brief This function handles NMI exception.
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*
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* @return none
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*/
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void NMI_Handler(void)
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{
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while (1)
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{
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}
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}
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/*********************************************************************
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* @fn HardFault_Handler
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*
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* @brief This function handles Hard Fault exception.
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*
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* @return none
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*/
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void HardFault_Handler(void)
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{
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printf("HardFault_Handler\r\n");
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printf("mepc :%08x\r\n", __get_MEPC());
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printf("mcause:%08x\r\n", __get_MCAUSE());
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printf("mtval :%08x\r\n", __get_MTVAL());
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NVIC_SystemReset();
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while(1);
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}
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/*********************************************************************
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* @fn EXTI9_5_IRQHandler
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*
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* @brief This function handles GPIO exception.
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*
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* @return none
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*/
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void EXTI9_5_IRQHandler(void)
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{
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ETH_PHYLink( );
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EXTI_ClearITPendingBit(EXTI_Line7); /* Clear Flag */
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}
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/*********************************************************************
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* @fn ETH_IRQHandler
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*
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* @brief This function handles ETH exception.
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*
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* @return none
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*/
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void ETH_IRQHandler(void)
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{
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WCHNET_ETHIsr();
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}
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/*********************************************************************
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* @fn TIM2_IRQHandler
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*
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* @brief This function handles TIM2 exception.
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*
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* @return none
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*/
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void TIM2_IRQHandler(void)
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{
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sys_tick_ms += WCHNETTIMERPERIOD;
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WCHNET_TimeIsr(WCHNETTIMERPERIOD);
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TIM_ClearITPendingBit(TIM2, TIM_IT_Update);
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}
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