單片機LED模擬交通燈，有源文件

ID:785370 · 發表于 2020-6-21 12:41

#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;
      }
}

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單片機LED模擬交通燈，有源文件