设定为下降沿中断触发，但实际上升沿和下降沿一起触发

dantherman · 发表于 2015-2-2 14:08:12

设定为下降沿中断触发，但实际上升沿和下降沿一起触发
输入中断源PA1，PA2
大家帮忙看下是否有问题
谢谢

[mw_shl_code=c,true] #include "cigang.h" void Single_Input_Init(void) { RCC->APB2ENR |= 1<<2; // GPIOA->CRL &= 0xfffff00f; / GPIOA->CRL |= 0x00000880; GPIOA->ODR |= 1<<1; GPIOA->ODR |= 1<<2; } void Single_Output_Init(void) { RCC->APB2ENR |= 1<<3; GPIOB->CRH &= 0x0000ffff; GPIOB->CRH |= 0x33330000; // single_jk2 = 0; single_out1 = 0; single_out2 = 0; } void EXTIX_Init(void) { Single_Input_Init(); Ex_NVIC_Config(GPIO_A,1,FTIR); // Ex_NVIC_Config(GPIO_A,2,FTIR); / MY_NVIC_Init(2,1,EXTI1_IRQChannel,2); // MY_NVIC_Init(2,0,EXTI2_IRQChannel,2); // } void EXTI1_IRQHandler(void) { if(Single_in1==0) //????????PA1???????? { //???§?ú?? single_jk2 = 1; //PB13(JK2)?????? single_out2 = 1; //PB15(OUT2)?????? delay_us(70); single_jk2 = 0; delay_us(30); //??×÷???±,???????????ú????·??ò?????±?? single_out2 = 0; //delay_us(50); //???§?ú???á?? } EXTI->

R=1<<1; //????LINE1????????±ê???? } //????????2·??????ò void EXTI2_IRQHandler(void) { if(Single_in2==0) //????????PA2???????? { //???§?ú?? single_jk1 = 1; //PB12(JK1)?????? single_out1 = 1; //PB14(OUT1)?????? delay_us(70); single_jk1 = 0; delay_us(30); //??×÷???±,???????????ú????·??ò?????±?? single_out1 = 0; //delay_us(5000); //???§?ú???á?? } EXTI->

R=1<<2; //????LINE2????????±ê???? }[/mw_shl_code]