51单片机随意做的简单信号灯 -

标题: 51单片机随意做的简单信号灯 [打印本页]

作者: sfsdfsd 时间: 2019-5-14 10:53
标题: 51单片机随意做的简单信号灯
51单片机随意做的简单信号灯

代码如下：
#include <reg51.h>
#define uchar unsigned char
#define uint unsigned int
sbit RED_A=P1^0;
sbit YELLOW_A=P1^1;
sbit GREEN_A=P1^2;
sbit RED_B=P1^3;
sbit YELLOW_B=P1^4;
sbit GREEN_B=P1^5;
uchar Flash_Count = 0;
Operation_Type = 1;
void delayms(uint xms)
{
      uint i,j;
      for(i=xms;i>0;i--)       //i=xms即延时约xms毫秒
            for(j=110;j>0;j--);
}
void Traffic_lignt()
{
switch(Operation_Type)
      {
               case 1:
                     RED_A=0;YELLOW_A=0;GREEN_A=1;
                     RED_B=1;YELLOW_B=0;GREEN_B=0;
                     delayms(2000);
                     Operation_Type = 2;
                     break;
               case 2:
                     delayms(200);
                     GREEN_A=0;
                     YELLOW_A=~YELLOW_A;
                     if(++Flash_Count !=10)
                              return;
                     Flash_Count=0;
                     Operation_Type = 3;
                     break;
               case 3:
                     RED_A=1;YELLOW_A=0;GREEN_A=0;
                     RED_B=0;YELLOW_B=0;GREEN_B=1;
                     delayms(2000);
                     Operation_Type = 4;
                     break;
               case 4:
                     delayms(200);
                     GREEN_B=0;
                     YELLOW_B=~YELLOW_B;
                     if(++Flash_Count !=10)
                              return;
                     Flash_Count=0;
                     Operation_Type = 1;
                     break;
      }
}
void main(void)
{
while(1)
      {
               Traffic_lignt();
      }
}

led.rar

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作者: admin 时间: 2019-5-14 18:08
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