51单片机+L293D控制直流电机起保停正反转

Posted 2021-06-30 perseverance52

51单片机+L293D控制直流电机起保停正反转

• 仿真效果图
  

• 程序代码

#include <STC89C5xRC.H>
#define EN1 P22
#define D1 P20
#define D2 P21
#define button_Z P10
#define buttun_R P11
#define button_T P12

void zhengzhuan();
void fanzhuang();
void ting();
void buttonscan();

void main (){

	while(1)
	{
		 buttonscan();		
	}
}

void zhengzhuan(){
	EN1=1;
	D1=1;
	D2=0;
}
void fanzhuang(){
	EN1=1;
	D1=0;
	D2=1;
}
void ting(){
	EN1=0;
	D1=1;
	D2=1;
}
void buttonscan(){
	if(button_T==0){
		ting();	
	}
	if(button_Z==0){
		zhengzhuan();
	}
	if(buttun_R==0){
		fanzhuang();
	}	
}