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標題: 單片機交通燈keil程序 [打印本頁]

作者: 客棧小伍 時間: 2018-6-21 13:09
標題: 單片機交通燈keil程序
#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_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 i;
while (x--) for (i=0;i<120;i++);
}
void Traffic_Light()
{
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(300);
YELLOW_A=!YELLOW_A;GREEN_A=1;
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(300);
YELLOW_B=!YELLOW_B;GREEN_B=1;
if(++Flash_Count!=10) return;
Flash_Count=0;
Operation_Type=1;
break;
}
}
void main()
{
while(1) Traffic_Light();
}

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