Code for the JAM!

jam.ino

int motorPin = 3;
int lightsPin = 5;
int limitPin = 7;
int buttonPin = 8;
int buttonLightPin = 4;

boolean active = false;
boolean motorRunning = false;
int dispenseSeconds = 300;
int motorRunMaxSeconds = 20;
unsigned long motorTime = 0;
 
void setup() {
  pinMode(motorPin, OUTPUT);
  pinMode(lightsPin, OUTPUT);
  pinMode(buttonLightPin, OUTPUT);
  pinMode(limitPin, INPUT);
  pinMode(buttonPin, INPUT);  
  
  Serial.begin(9600);
  while (!Serial);
  Serial.println("Start machine");
}
 
void loop() {
  
  if (active) {
    if (digitalRead(buttonPin) == HIGH) {
      Serial.println("button pushed");
      Serial.println("run the motor");
	  digitalWrite(buttonLightPin, LOW);
      runMotor();
//    goNuts();
      Serial.println("inactivate machine");
      active = false;
      Serial.println("turn off lights");
	  delay(5000);
      digitalWrite(lightsPin, LOW);
    }
  } else {
    Serial.println("wait to dispense");
    delay(dispenseSeconds * 1000);
    Serial.println("activate machine");
    active = true;
    Serial.println("turn on lights");
    digitalWrite(lightsPin, HIGH);
    digitalWrite(buttonLightPin, HIGH);
  }
}

void runMotor() {
	motorRunning = true;
	motorTime = millis() + motorRunMaxSeconds * 1000;
	digitalWrite(motorPin, HIGH);
	while (motorRunning) {
		delay(100);
		if (digitalRead(limitPin) == LOW ||
			millis() >= motorTime) 
		{
			Serial.println("limit switch hit");
			digitalWrite(motorPin, LOW);
			motorRunning = false;
		}
	}  
}

void goNuts() {
	for (int count = 0; count < 10; count++) {
		digitalWrite(lightsPin, HIGH);
		digitalWrite(buttonLightPin, HIGH);
		delay(250);
		digitalWrite(lightsPin, LOW);
		digitalWrite(buttonLightPin, LOW);
		delay(250);
	}
}