[self-driving-car] connects MacBookPro --> arduino --> wirelessCircuitBoardRCcar

gistfile1.txt

// Car Control v. 0.2
// http://thelivingpearl.com/2013/01/04/drive-a-lamborghini-with-your-keyboard/


int reversePin = 9;
int forwardPin = 8;
int leftPin = 7;
int rightPin = 6;

int order = 55;
int time = 75;

//control flag
int flag = 0;

void forward(int time){
  Serial.println("This is forward...");
  digitalWrite(forwardPin, LOW);
  delay(time);
  digitalWrite(forwardPin,HIGH);
}

void reverse(int time){
  Serial.println("This is reverse...");
  digitalWrite(reversePin, LOW);
  delay(time);
  digitalWrite(reversePin,HIGH);
}

void left(int time){
  Serial.println("This is left...");
  digitalWrite(leftPin, LOW);
  delay(time);
  digitalWrite(leftPin,HIGH);
}

void right(int time){
  Serial.println("This is right...");
  digitalWrite(rightPin, LOW);
  delay(time);
  digitalWrite(rightPin,HIGH);
}

void leftTurnForward(int time){
  digitalWrite(forwardPin, LOW);
  digitalWrite(leftPin, LOW);
  delay(time);
  off();
}

void rightTurnForward(int time){
  digitalWrite(forwardPin, LOW);
  digitalWrite(rightPin, LOW);
  delay(time);
  off();
}

void leftTurnReverse(int time){
  digitalWrite(reversePin, LOW);
  digitalWrite(leftPin, LOW);
  delay(time);
  off();
}

void rightTurnReverse(int time){
  digitalWrite(reversePin, LOW);
  digitalWrite(rightPin, LOW);
  delay(time);
  off();
}

void demoOne(){

  int demoTime = 500;

  forward(demoTime);
  reverse(demoTime);
  left(demoTime);
  right(demoTime);
}

void demoTwo(){

  int demoTime = 500;

  rightTurnForward(demoTime);
  leftTurnForward(demoTime);
  rightTurnReverse(demoTime);
  leftTurnReverse(demoTime);
}

void off(){
  digitalWrite(9, HIGH);
  digitalWrite(8, HIGH);
  digitalWrite(7, HIGH);
  digitalWrite(6, HIGH);
}

void orderControl(int order, int time){
  switch (order){

     //off order
     case 0: off(); break;

     //demo modes
     case 1: demoOne(); order=0; break;
     case 2: demoTwo(); order=0; break;
     case 3: demoOne(); demoTwo(); order=0; break;

     //movment options
     case 11: forward(time); order=0; break;
     case 12: reverse(time); order=0; break;
     case 13: right(time); order=0; break;
     case 14: left(time); order=0; break;

     //complex movment
     case 21: rightTurnForward(time); order=0; break;
     case 22: leftTurnForward(time); order=0; break;
     case 23: rightTurnReverse(time); order=0; break;
     case 24: leftTurnReverse(time); order=0; break;

     //no match...
     default: Serial.print("\nINVALID ORDER!... TURNING OFF!\n");
    }
}

void setup() {
  // initialize the digital pins as an output.
  pinMode(rightPin, OUTPUT);
  pinMode(leftPin, OUTPUT);
  pinMode(forwardPin, OUTPUT);
  pinMode(reversePin, OUTPUT);

  Serial.begin(115200);
  Serial.print("\n\nStart...\n");
}

void loop() {

  //Turn everything off...
  off();

  //get input
  if (Serial.available() > 0){
    order = Serial.read() - 65;
    Serial.print("I received: ");
    Serial.println(order);
    flag = 1;
  }

  if(flag){
    //complete orders
    orderControl(order,time);
  }

}