2020-02-05 09:29发布
dz20062008 发表于 2012-4-25 02:03 测量晶振两端是否有二分之一的电源电压,更换复位电路的电阻电容,测量是否通电后为零伏电压。还有就是你的 ...
最多设置5个标签!
附上程序:
#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();
}
}
一周热门 更多>