普通的交通灯

ID:949622 · 发表于 2021-7-5 23:27

#include <reg52.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_B=P0^3;
sbit YELLOW_B=P0^4;
sbit GREEN_B=P0^5;

uchar Flash_Count = 0;
Operation_Type = 1;

void DelayMS(uint x)
{
uchar t;
while(x--)
{
      for(t=120;t>0;t--);
}
}

void Traffic_lignt()
{
switch(Operation_Type)
{
      case 1:
         RED_A=1;YELLOW_A=1;GREEN_A=0;
         RED_B=0;YELLOW_B=1;GREEN_B=1;
         DelayMS(2000);
         Operation_Type = 2;
         break;
      case 2:
         DelayMS(200);
         YELLOW_A=~YELLOW_A;
         if(++Flash_Count !=10)
            return;
         Flash_Count=0;
         Operation_Type = 3;
         break;
      case 3:
         RED_A=0;YELLOW_A=1;GREEN_A=1;
         RED_B=1;YELLOW_B=1;GREEN_B=0;
         DelayMS(2000);
         Operation_Type = 4;
         break;
      case 4:
         DelayMS(200);
         YELLOW_B=~YELLOW_B;
         if(++Flash_Count !=10)
            return;
         Flash_Count=0;
         Operation_Type = 1;
         break;
}
}

void main()
{
while(1)
{
      Traffic_lignt();
}
}

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