基于STC89C52的小车制作上篇，用电机将小车驱动起来之对L298N逻辑输入N1~N4详解

基于STC89C52的小车制作上篇，用电机将小车驱动起来之对L298N逻辑输入N1~N4详解

逻辑输入N1，N2用于控制通道A的电机
逻辑输入N3，N4用于控制通道B的电机
当N1=1时，A----->后退
当N2=1时，A----->前进
当N3=1时，B----->前进
当N4=1时，B----->后退
贴源码：
`#include “reg52.h”
typedef unsigned int u16;
typedef unsigned char u8;
sbit N1 = P2^1;
sbit N2 = P2^2;
sbit N3 = P2^3;
sbit N4 = P2^4;
void Delay(u16 i){
while(i–);
}
/*
void left(){ //左轮前进 -->右转
N1 = 0;
N2 = 1;
N3 = 0;
N4 = 0;
}
void left_back(){//左轮后退 -->左转
N1 = 1;
N2 = 0;
N3 = 0;
N4 = 0;
}
void right(){//右轮前进 -->左转
N1 = 0;
N2 = 0;
N3 = 1;
N4 = 0;
}
void right_back(){//右轮后退 -->右转
N1 = 0;
N2 = 0;
N3 = 0;
N4 = 1;
}
*/
void run(){ //左右轮同时前进 -->前进
N1 = 0;
N2 = 1;
N3 = 1;
N4 = 0;
}
void dig_left(){ //大左转
N1 = 1;
N2 = 0;
N3 = 1;
N4 = 0;
}
void dig_right(){ //大右转
N1 = 0;
N2 = 1;
N3 = 0;
N4 = 1;
}
void run_back(){//直行后退
N1 = 1;
N2 = 0;
N3 = 0;
N4 = 1;
}
void stop(){//停止
N1 = 0;
N2 = 0;
N3 = 0;
N4 = 0;
}
void main(){
while(1){
run();
Delay(10000000);
dig_left();
Delay(10000000);
dig_right();
Delay(10000000);
run_back();
Delay(10000000);
stop();
Delay(10000000);
}
}

`