ATMEGA168+L298控制電機正反轉的代碼與Proteus仿真

ID:430461 · 發表于 2018-11-21 15:29

這是之前課程設計做的遙控小車，簡單的控制電機轉速使小車前進和后退，左轉右轉也是參考了網上別人的，有需要的可以看看，哪里有不足也請指出

ATMEGA168單片機+L298仿真原理圖如下（proteus仿真工程文件可到本帖附件中下載）

單片機源碼：

int Foreward_key=2;//正轉按鈕
int Reverse_key=3;//反轉按鈕
int Stop_key=4;//停止按鈕
int Trunleft_key=0;//左轉按鈕
int Trunright_key=1;//右轉按鈕
int Foreward_led=5;//正轉指示燈
int Reverse_led=6;//反轉指示燈
int Stop_led=7;//停止指示燈
int pinI1=8;//定義電機1正轉接口
int pinI2=9;//定義電機1反轉接口
int pinI3=13;//定義電機2正轉接口
int pinI4=12;//定義電機2反轉接口
int speedpin=14;//定義EA(PWM調速)接口
int speedpin1=14;//定義EB(PWM調速)接口
void setup()
{
  pinMode(Foreward_key,INPUT);
  pinMode(Reverse_key,INPUT);
  pinMode(Trunleft_key,INPUT);
  pinMode(Trunright_key,INPUT);
  pinMode(Stop_key,INPUT);
  pinMode(Foreward_led,OUTPUT);
  pinMode(Reverse_led,OUTPUT);
  pinMode(Stop_led,OUTPUT);
  pinMode(pinI1,OUTPUT);//定義該接口為輸出接口
  pinMode(pinI2,OUTPUT);
  pinMode(pinI3,OUTPUT);//定義該接口為輸出接口
  pinMode(pinI4,OUTPUT);
  pinMode(speedpin,OUTPUT);
  pinMode(speedpin1,OUTPUT);
  digitalWrite(Foreward_led,HIGH);
  digitalWrite(Reverse_led,HIGH);
  digitalWrite(Stop_led,HIGH);
}
void loop()
{
  if(digitalRead(Foreward_key)==HIGH)//正轉
  {
while(digitalRead(Foreward_key)==HIGH);
digitalWrite(Foreward_led,LOW);
digitalWrite(Reverse_led,HIGH);
digitalWrite(Stop_led,HIGH);
digitalWrite(pinI1,LOW);//使直流電機順時針轉
digitalWrite(pinI2,HIGH);
analogWrite(speedpin,100);
digitalWrite(pinI3,LOW);//使直流電機順時針轉
digitalWrite(pinI4,HIGH);
analogWrite(speedpin1,100);
  }
  if(digitalRead(Reverse_key)==HIGH)//反轉
  {
while(digitalRead(Reverse_key)==HIGH);
digitalWrite(Foreward_led,HIGH);
digitalWrite(Reverse_led,LOW);
digitalWrite(Stop_led,HIGH);
digitalWrite(pinI1,HIGH);//使直流電機逆時針轉
digitalWrite(pinI2,LOW);
analogWrite(speedpin,100);
digitalWrite(pinI3,HIGH);//使直流電機逆時針轉
digitalWrite(pinI4,LOW);
analogWrite(speedpin1,100);

  }
  if(digitalRead(Stop_key)==HIGH)//停止
  {
while(digitalRead(Stop_key)==HIGH);
digitalWrite(Foreward_led,HIGH);
digitalWrite(Reverse_led,HIGH);
digitalWrite(Stop_led,LOW);
digitalWrite(pinI1,LOW);//使直流電機逆時針轉
digitalWrite(pinI2,LOW);
analogWrite(speedpin,100);
digitalWrite(pinI3,LOW);//使直流電機逆時針轉
digitalWrite(pinI4,LOW);
analogWrite(speedpin1,100);
  }
  if(digitalRead(Trunleft_key)==HIGH)//左轉
  {
while(digitalRead(Trunleft_key)==HIGH);
digitalWrite(Foreward_led,LOW);
digitalWrite(Reverse_led,HIGH);
digitalWrite(Stop_led,HIGH);
digitalWrite(pinI1,LOW);//使直流電機順時針轉
digitalWrite(pinI2,HIGH);
analogWrite(speedpin,100);
delay(120);
digitalWrite(pinI3,LOW);//使直流電機順時針轉
digitalWrite(pinI4,HIGH);
analogWrite(speedpin1,100);

  }
if(digitalRead(Trunright_key)==HIGH)//右轉
  {
while(digitalRead(Trunright_key)==HIGH);
digitalWrite(Foreward_led,LOW);
digitalWrite(Reverse_led,HIGH);
digitalWrite(Stop_led,HIGH);
digitalWrite(pinI3,LOW);//使直流電機順時針轉
digitalWrite(pinI4,HIGH);
analogWrite(speedpin1,100);
delay(120);
digitalWrite(pinI1,LOW);//使直流電機順時針轉
digitalWrite(pinI2,HIGH);
analogWrite(speedpin,100);
  }

}

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ID:342822 · 發表于 2018-11-25 22:32

嘿嘿~~仿真圖上的按鍵不帶這么玩的！

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ATMEGA168+L298控制電機正反轉的代碼與Proteus仿真