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標題: 51交通燈代碼 [打印本頁]

作者: 766766xibian 時間: 2016-4-24 18:59
標題: 51交通燈代碼
#include<reg51.h>
unsigned  char  t0,t1;
sbit  green_A=P2^0;
sbit  yellow_A=P2^1;
sbit  red_A=P2^2;
sbit  green_B=P2^3;
sbit  yellow_B=P2^4;
sbit  red_B=P2^5;
void  delay_1s()
{
for(t0=0;t0<20;t0++)
{
TH0=0x3c;
TL0=0xb0;
TR0=1;
while(!TF0);
TF0=0;
}
}
void  delay_s(int t)
{
for(t1=0;t1<t;t1++)
{
delay_1s();
}
}
void  main()
{
int  state=0;
int  i;
TMOD=0x01;
while(1)
{
if(state>6)
{
state=0;
}
state++;
switch(state)
{
case 1:
{
   green_A=0;
  yellow_A=1;
  red_A=1;
  green_B=1;
  yellow_B=1;
  red_B=0;
  delay_s(5);
  break;
  }
case 2:
{
for(i=0;i<5;i++)
{
   green_A=!green_A;
  yellow_A=1;
  red_A=1;
  green_B=1;
  yellow_B=1;
  red_B=0;
  delay_s(1);
  }
  break;
  }

case 3:
{
   green_A=1;
  yellow_A=0;
  red_A=1;
  green_B=1;
  yellow_B=1;
  red_B=0;
  delay_s(5);
  break;
  }

case 4:
{
   green_A=1;
  yellow_A=1;
  red_A=0;
  green_B=0;
  yellow_B=1;
  red_B=1;
  delay_s(5);
  break;
  }
case 5:
{
for(i=0;i<5;i++)
{
   green_A=1;
  yellow_A=1;
  red_A=0;
  green_B=!green_B;
  yellow_B=1;
  red_B=1;
  delay_s(1);
  }
  break;
  }

   case 6:
   {
   green_A=1;
  yellow_A=1;
  red_A=0;
  green_B=1;
  yellow_B=0;
  red_B=1;
  delay_s(5);
  break;
  }
  }
  }
  }

作者: WANGCHONG 時間: 2016-4-24 19:54
的確是一篇好帖子，樓主辛苦了

作者: qc931209 時間: 2016-4-24 21:57
有沒有電路圖，對照著看啊

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