交通灯方案.zip

#include <reg51.h> #define uchar unsigned char #define uint unsigned int sbit RED_A=P0^0; sbit YELLOW_A=P0^1; sbit GREEN_A=P0^2; sbit RED_A1=P2^7; sbit YELLOW_A1=P2^6; sbit GREEN_A1=P2^5; sbit RED_B=P0^3; sbit YELLOW_B=P0^4; sbit GREEN_B=P0^5; sbit RED_B1=P2^4; sbit YELLOW_B1=P2^3; sbit GREEN_B1=P2^2; uchar i= 0; Type = 1; void DelayMS(uint x) { uchar t; while(x--) { for(t=120;t>0;t--); } } void Traffic_lignt() { switch(Type) { case 1: RED_A=1;YELLOW_A=1;GREEN_A=0;RED_B=0;YELLOW_B=1;GREEN_B=1; RED_A1=1;YELLOW_A1=1;GREEN_A1=0;RED_B1=0;YELLOW_B1=1;GREEN_B1=1; DelayMS(2000); Type = 2; break; case 2: for (i=0;i<10;i++) {RED_A=1;YELLOW_A=~YELLOW_A;GREEN_A=1; RED_A1=1;YELLOW_A1=~YELLOW_A1;GREEN_A1=1; DelayMS(500); } Type=3; break; case 3: RED_A=0;YELLOW_A=1;GREEN_A=1;RED_B=1;YELLOW_B=1;GREEN_B=0; RED_A1=0;YELLOW_A1=1;GREEN_A1=1;RED_B1=1;YELLOW_B1=1;GREEN_B1=0; DelayMS(2000); Type = 4; break; case 4: for(i=0;i<10;i++) { RED_B=1;YELLOW_B=~YELLOW_B;GREEN_B=1; RED_B1=1;YELLOW_B1=~YELLOW_B1;GREEN_B1=1; DelayMS(500); } Type=1; break; } } void main() { while(1) { Traffic_lignt(); } }