51单片机+L293D控制4轮小车前进后退 -

标题: 51单片机+L293D控制4轮小车前进后退 [打印本页]

作者: 历练小小 时间: 2019-7-18 16:01
标题: 51单片机+L293D控制4轮小车前进后退
//将小车同侧的两个轮子用两个I/O口一起控制
//晶振11.0592
#include<reg51.h>
sbit left1 = P1^0;
sbit left2 = P1^1;
sbit right1 = P1^2;
sbit right2 = P1^3;
void forward(void)
{
  left1 = 1;
  left2 = 0;
  right1 = 1;
  right2 = 0;
}
void back(void)
{
  left1 = 0;
  left2 = 1;
  right1 = 0;
  right2 = 1;

}
void stop(void)
{
  left1 = 0;
  left2 = 0;
  right1 = 0;
  right2 = 0;

}
void turn_left1(void)//原地左转
{
  left1 = 0;
  left2 = 0;
  right1 = 1;
  right2 = 0;

}
void turn_right1(void)//原地左转
{
  left1 = 1;
  left2 = 0;
  right1 = 0;
  right2 = 0;

}
void turn_left2(void)
{
  left1 = 0;
  left2 = 1;
  right1 = 1;
  right2 = 0;

}
void turn_left2(void)
{
  left1 = 1;
  left2 = 0;
  right1 = 0;
  right2 = 1;

}

void delay1s(void) //误差 -0.00000000024us
{
unsigned char a,b,c;
for(c=95;c>0;c--)
      for(b=26;b>0;b--)
         for(a=185;a>0;a--);
}

void main(void)
{

while(1)
{
forward();
delay1s();
back();
delay1s();
turn_left1();
delay1s();
turn_right();
delay1s();
}
}

L293D（电机驱动IC）.pdf

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作者: 莽狗儿 时间: 2020-4-24 20:52
只前进后退的话怎么写呢

作者: ping11 时间: 2021-4-21 21:12
怎么同侧两轮子用两个引脚控制呀？

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