// Adapted from http://luizbueno.fabcloud.io/me/Interface.html
// adding button input

const int potPin = A0;
const int button1Pin = A1;
const int button2Pin = A2;
const int button3Pin = A3;


int button1State = 0;         // variable for reading the pushbutton status
int button2State = 0; 
int button3State = 0; 

void setup() {
  Serial.begin(9600);
  pinMode(potPin, INPUT);

  pinMode(button1Pin, INPUT);
  pinMode(button2Pin, INPUT);
  pinMode(button3Pin, INPUT);  
}

void loop() 
{

  int softPotADC = analogRead(potPin);

  button1State = digitalRead(button1Pin);
  button2State = digitalRead(button2Pin);
  button3State = digitalRead(button3Pin);

 
  Serial.print(button1State);
  Serial.print(",");
  Serial.print(button2State);
  Serial.print(",");
  Serial.print(button3State);  
  Serial.println(",");
  delay(100);

}