coop code

gistfile1.cpp

const int topPin = 3;
const int bottomPin = 4;
const int upPin = 5;
const int downPin = 6;
const int sensorPin = 0; // analog pin

const int nightThreshold = 50;
const int dayThreshold = 900;
const int nightLength = 8 * 60 * 60 * 1000; // 8 hours in ms.

void setup() {
    // Set internal pullupresistors on the switches
    pinMode(topPin, INPUT);
    digitalWrite(topPin, HIGH);

    pinMode(bottomPin, INPUT);
    digitalWrite(bottomPin, HIGH);

    pinMode(sensorPin, INPUT);        
    stop();
}

void up() {
    digitalWrite(upPin, LOW);
    digitalWrite(downPin, HIGH);
}

void down() {
    digitalWrite(downPin, LOW);
    digitalWrite(upPin, HIGH);
}

void stop() {
    digitalWrite(downPin, LOW);
    digitalWrite(upPin, LOW);
}

void open() {
    up();
    while(digitalRead(topPin) == LOW);
    stop();
}

void close() {
    down();
    while(digitalRead(bottomPin) == LOW);
    stop();
}

boolean isNight(int lightValue) {
    return lightValue <= nightThreshold
}

void loop() {
    int lightValue = analogRead(sensorPin);
    
    if(isNight(lightValue)) {
        close();
        delay(nightLength);
        open();
    }
}