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本帖最后由 wsy0315 于 2013-2-4 21:57 编辑
刚刚入手arduino uno 和LM298N,想要做些什么,
首先上我写的代码: - int EN1 = 9;
- int IN1 = 8;
- int IN2 = 7;
- int EN2 = 6;
- int IN3 = 5;
- int IN4 = 4;
- int RPPin1 = 1;
- int RPPin2 = 2;
- int val1;
- int val2;
- int val3;
- int val4;
- int key1;
- int key2;
- void setup()
- {
- pinMode(IN1, OUTPUT);
- pinMode(IN2, OUTPUT);
- pinMode(IN3, OUTPUT);
- pinMode(IN4, OUTPUT);
- }
- void loop()
- {
- key1 = analogRead(RPPin1);
- if (key1 < 518)
- {
- digitalWrite(IN1, HIGH); //IN1(IN3)和IN2(IN4)必须相反,才能使电机转动
- digitalWrite(IN2, LOW); //改变电平方向,电机反转
- digitalWrite(IN3, HIGH); //电平相同,电机停止
- digitalWrite(IN4, LOW); //
- val1 = analogRead(RPPin1); //读取串口
- val1 = constrain(val1, 0, 518); //范围限定
- val1 = map(val1, 518, 0, 0, 1023); //映射取反
- }
- else
- {
- digitalWrite(IN1, LOW); //IN1(IN3)和IN2(IN4)必须相反,才能使电机转动
- digitalWrite(IN2, HIGH); //改变电平方向,电机反转
- digitalWrite(IN3, LOW); //电平相同,电机停止
- digitalWrite(IN4, HIGH); //
- val1 = analogRead(RPPin1); //读取串口
- val1 = constrain(val1, 522, 1023); //范围限定
- val1 = map(val1, 522, 1023, 0, 1023); //映射
- }
- analogWrite(EN1, val1); //PWM调速
- analogWrite(EN2, val1); //PWM调速
- delay(30);
- }
复制代码
这个是摇杆控制电机方向和调速的!等有了成品再上图,
顺便看看谁能不能帮我简化一下{:soso_e120:}
我是新手,望多指教!!!
[pre lang="arduino" line="1" file="H2_over"]int val1; //前后摇杆
int val2; //左右摇杆
int val11; //PWM赋值
int val22; //PWM赋值
int IN1 = 4;
int IN2 = 5;
int IN3 = 7;
int IN4 = 8;
int EN1 = 6;
int EN2 = 9;
void digital_11(void) //(void)=(),调用 digital_11()
{
digitalWrite(IN1, HIGH);
digitalWrite(IN2, LOW);
digitalWrite(IN3, HIGH);
digitalWrite(IN4, LOW);
}
void digital_22()
{
digitalWrite(IN1, LOW);
digitalWrite(IN2, HIGH);
digitalWrite(IN3, LOW);
digitalWrite(IN4, HIGH);
}
void setup()
{
pinMode(IN1, OUTPUT);
pinMode(IN2, OUTPUT);
pinMode(IN3, OUTPUT);
pinMode(IN4, OUTPUT);
pinMode(EN1, OUTPUT);
pinMode(EN2, OUTPUT);
}
void loop()
{
int val1 = analogRead(A1);
val1 = map(val1, 0, 1023, -255, 255);
int val2 = analogRead(A2);
val2 = map(val2, 0, 1023, -255, 255);
val11 = abs(val1) + val2;
val11 = constrain(val11,0,255);
val22 = abs(val1) - val2;
val22 = constrain(val22,0,255);
if (val1 > 0) //旋转方向转换
digital_11();
else
digital_22();
analogWrite(EN1, val11);
analogWrite(EN2, val22);
}[/code] |
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