#include "SWM320.h" int main(void) { SystemInit(); GPIO_Init(GPIOA, PIN5, 1, 0, 0); //输出,接LED SYS->BODIE = (1 << SYS_BODIE_2V2_Pos); SYS->BODIF = (1 << SYS_BODIF_2V2_Pos); NVIC_EnableIRQ(BOD_IRQn); while(1==1) { GPIO_ClrBit(GPIOA, PIN5); } } void BOD_Handler(void) { SYS->BODIF = (1 << SYS_BODIF_2V2_Pos); GPIO_SetBit(GPIOA, PIN5); }