led.zip_单片机_流水灯

#include<reg51.h> #include<intrins.h> #define unchar unsigned char #define uint unsigned int sbit LED8=P1^0; sbit LED7=P1^1; sbit LED6=P1^2; sbit LED5=P1^3; sbit LED4=P1^4; sbit LED3=P1^5; sbit LED2=P1^6; sbit LED1=P1^7; sbit K1=P0^3; bit j; char i=10; void main() { TMOD=0X01; TH0=-50000/256; TL0=-50000%256; P1=0xfb; EA=1; ET0=1; TR0=1; while(1) { if(K1==0) { while(K1==0); j=~j; i=10; } } } void T0_1(void) interrupt 1 { TH0=-50000/256; TL0=-50000%256; i--; if(i<=0) { if(j==0) { P1=_crol_(P1,1); i=10; } else { P1=_cror_(P1,1); i=10; } } }