check1.c

来自「用ＫＥＩＬＣ写的单片机典型Ｃ５１编程」· C语言 代码 · 共 33 行

 #include< reg51.h>
 #define unchar unsigned char
 #define uint unsigned int
 /**sbit P1_0=P1^0;
 sbit P1_1=P1^1;
 sbit P1_2=P1^2;
 sbit P1_3=P1^3;
 sbit P1_4=P1^4;
 sbit P1_5=P1^5;
 sbit P1_6=P1^6;**/
 void delay (uint count);
 void Xint0(void);
 void main(void)
{ do
	{P1=0x00;
	EA=1;
	EX0=1;
	IT0=0;
	
	}
	while (1);		   
}		
	void Xint0(void) interrupt 0 using 3
	{ P1=0XFF;delay(1000);
     }


void delay(uint count)

{    uint j;
	while (count--!=0)
	for(j=0;j<72;j++) ;
}