Spark-Powered Angry Bird Swimmer

angry-bird.ino

// D0 = Angle Down
// D1 = Angle Up
// D2 = Left
// D3 = Right

int pinLeft = D2;
int pinRight = D3;
int pinDown = D0;
int pinUp = D1;

int default_delay = 500;

void setup() {
    // initWifi();  // channel 13 fix
    
    pinMode(pinLeft, OUTPUT);
    pinMode(pinRight, OUTPUT);
    pinMode(pinUp, OUTPUT);
    pinMode(pinDown, OUTPUT);
    
    digitalWrite(pinLeft, LOW);
    digitalWrite(pinRight, LOW);
    digitalWrite(pinUp, LOW);
    digitalWrite(pinDown, LOW);
    
    Spark.function("birdCtrl", birdControl);
}


void loop() {
    // Do nothing
}


/* void initWifi() {
    unsigned long aiIntervalList[16];
    for (int i=0; i<16; i++) { aiIntervalList[i] = 2000; }
    wlan_ioctl_set_scan_params( 1000, 100, 100, 5, 0x1fff, -80, 0, 205, aiIntervalList );
    wlan_start(0);
} */


int birdControl(String command) {
    command.trim();
    command.toUpperCase();
    
    if(command.equals("LEFT"))
        birdMove(pinLeft, default_delay);
    else if(command.equals("RIGHT"))
        birdMove(pinRight, default_delay);
    else if(command.equals("UP"))
        birdMove(pinUp, default_delay);
    else if(command.equals("DOWN"))
        birdMove(pinDown, default_delay);
    else if(command.equals("FORWARD")) {
        for(int i=0; i<2; i++) {
            birdMove(pinLeft, default_delay);
            delay(100);
            birdMove(pinRight, default_delay);
            delay(100);
        }
    } else if(command.equals("LLEFT"))
        for(int i=0; i<2; i++)
            birdMove(pinLeft, default_delay);
     else if(command.equals("RRIGHT"))
        for(int i=0; i<2; i++)
            birdMove(pinRight, default_delay);
    else
        return 0;
    
    return 1;
}


void birdMove(int p, int d) {
    digitalWrite(D0, LOW);
    digitalWrite(D1, LOW);
    digitalWrite(D2, LOW);
    digitalWrite(D3, LOW);
    
    digitalWrite(p, HIGH);
    delay(d);
    
    digitalWrite(p, LOW);
}