基于51单片机的红外检测车辆的代码
时间: 2023-12-12 07:01:58 浏览: 33
这里提供一份基于51单片机的红外检测车辆的示例代码,供参考:
```c
#include <reg51.h>
#include <intrins.h>
#define uchar unsigned char
#define uint unsigned int
sbit IN1 = P0^0;
sbit IN2 = P0^1;
sbit IN3 = P0^2;
sbit IN4 = P0^3;
sbit LSA = P2^2;
sbit LSB = P2^3;
sbit LSC = P2^4;
uchar infrared; //红外检测值
uint time; //延时时间
void delay(uint t)
{
uint i, j;
for (i = 0; i < t; i++)
{
for (j = 0; j < 110; j++);
}
}
void forward()
{
IN1 = 1;
IN2 = 0;
IN3 = 1;
IN4 = 0;
}
void backward()
{
IN1 = 0;
IN2 = 1;
IN3 = 0;
IN4 = 1;
}
void left()
{
IN1 = 1;
IN2 = 0;
IN3 = 0;
IN4 = 0;
}
void right()
{
IN1 = 0;
IN2 = 0;
IN3 = 1;
IN4 = 0;
}
void stop()
{
IN1 = 0;
IN2 = 0;
IN3 = 0;
IN4 = 0;
}
void display(uchar num)
{
switch (num)
{
case 0:
LSA = 0, LSB = 0, LSC = 0; break;
case 1:
LSA = 1, LSB = 0, LSC = 0; break;
case 2:
LSA = 0, LSB = 1, LSC = 0; break;
case 3:
LSA = 1, LSB = 1, LSC = 0; break;
case 4:
LSA = 0, LSB = 0, LSC = 1; break;
case 5:
LSA = 1, LSB = 0, LSC = 1; break;
case 6:
LSA = 0, LSB = 1, LSC = 1; break;
case 7:
LSA = 1, LSB = 1, LSC = 1; break;
}
}
void main()
{
while (1)
{
infrared = P1; //读取红外检测值
display(infrared); //在数码管上显示检测值
if (infrared == 0x00) //检测到黑线
{
stop();
delay(100); //停留一段时间
}
else //未检测到黑线
{
forward(); //继续前进
}
}
}
```
这个代码实现了基本的红外检测车辆的功能,具体的实现可以根据实际情况进行修改。