#include?“exti.h“
#include?“led.h“
#include?“key.h“
#include?“delay.h“
#include?“usart.h“
#include?“signal.h“
void?EXTI9_5_IRQHandler（void）
{		
	delay_ms（10）;???//消抖			?
	if（EXTI->PR&1<<6）//Y
	{?
		EXTI->PR=1<<6;
	}
	if（EXTI->PR&1<<7）//X
	{
		EXTI->PR=1<<7;
	}
?	//清除LINE5上的中斷標志位??
}
//外部中斷PC6?PC7服務程序
void?EXTI_Init（void）
{
	RCC->APB2ENR|=1<<4;?????//使能PORTC時鐘
	GPIOC->CRL&=0X00FFFFFF;	//PC2/3設置成輸入	??
	GPIOC->CRL|=0X88000000;???
	GPIOC->ODR|=3<<6;	???		//PC6/7上拉?
	Ex_NVIC_Config（GPIO_C6FTIR）;		//下降沿觸發
	Ex_NVIC_Config（GPIO_C7FTIR）;		//下降沿觸發
	MY_NVIC_Init（13EXTI9_5_IRQn2）;??	//搶占2，子優先級1，組2
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2014-10-24?17:27??Step?Motors\
?????目錄???????????0??2014-10-24?17:27??Step?Motors\HARDWARE\
?????目錄???????????0??2014-10-24?17:27??Step?Motors\HARDWARE\EXTI\
?????文件?????????705??2014-10-24?17:24??Step?Motors\HARDWARE\EXTI\exti.c
?????文件?????????667??2014-03-06?17:46??Step?Motors\HARDWARE\EXTI\exti.h
?????目錄???????????0??2014-10-24?17:27??Step?Motors\HARDWARE\KEY\
?????文件????????1202??2014-10-21?11:48??Step?Motors\HARDWARE\KEY\key.c
?????文件?????????206??2014-10-21?11:48??Step?Motors\HARDWARE\KEY\key.h
?????目錄???????????0??2014-10-24?17:27??Step?Motors\HARDWARE\LED\
?????文件?????????909??2014-10-21?10:23??Step?Motors\HARDWARE\LED\led.c
?????文件?????????747??2014-10-21?11:35??Step?Motors\HARDWARE\LED\led.h
?????目錄???????????0??2014-10-24?17:27??Step?Motors\HARDWARE\SIGNAL\
?????文件?????????483??2014-10-24?17:24??Step?Motors\HARDWARE\SIGNAL\signal.c
?????文件?????????189??2014-10-24?17:23??Step?Motors\HARDWARE\SIGNAL\signal.h
?????目錄???????????0??2014-10-24?17:27??Step?Motors\HARDWARE\SM_DRIVER\
?????文件?????????239??2014-10-24?17:23??Step?Motors\HARDWARE\SM_DRIVER\sm_driver.c
?????文件?????????145??2014-10-24?17:22??Step?Motors\HARDWARE\SM_DRIVER\sm_driver.h
?????目錄???????????0??2014-10-24?17:27??Step?Motors\HARDWARE\SPEED\
?????文件????????4156??2014-10-24?17:23??Step?Motors\HARDWARE\SPEED\speed.c
?????文件????????2106??2014-10-23?16:58??Step?Motors\HARDWARE\SPEED\speed.h
?????目錄???????????0??2014-10-24?17:27??Step?Motors\HARDWARE\TIMER\
?????文件????????3963??2014-10-24?17:24??Step?Motors\HARDWARE\TIMER\timer.c
?????文件?????????710??2014-10-22?12:55??Step?Motors\HARDWARE\TIMER\timer.h
?????目錄???????????0??2014-10-24?17:27??Step?Motors\HARDWARE\WDG\
?????文件????????2203??2014-03-06?19:06??Step?Motors\HARDWARE\WDG\wdg.c
?????文件?????????855??2014-03-06?19:05??Step?Motors\HARDWARE\WDG\wdg.h
?????文件?????????399??2011-05-09?18:17??Step?Motors\keilkill.bat
?????目錄???????????0??2014-10-24?17:27??Step?Motors\OBJ\
?????文件??????235227??2014-10-24?17:24??Step?Motors\OBJ\delay.crf
?????文件?????????444??2014-10-24?17:24??Step?Motors\OBJ\delay.d
?????文件??????251336??2014-10-24?17:24??Step?Motors\OBJ\delay.o
............此處省略69個文件信息