piezo-and-js.ino

#include <AxisJoystick.h>

// these constants won't change:
const int piezo1 = A0; // the piezo is connected to analog pin 0
const int piezo2 = A1; // the piezo is connected to analog pin 0
const int piezo3 = A2; // the piezo is connected to analog pin 0
const int piezo4 = A3; // the piezo is connected to analog pin 0
const int minValue = 384;  // threshold value to decide when the detected sound is a knock or not
const int maxValue = 1024;

const int THRESHOLD = 950;
// these variables will change:
int sensorReading = 0;      // variable to store the value read from the sensor pin
int ledState = LOW;         // variable used to store the last LED status, to toggle the light

#define JOYSTICK_SW_PIN  2
#define JOYSTICK_VRX_PIN A6
#define JOYSTICK_VRY_PIN A7

AxisJoystick* joystick;

void setup() {
  Serial.begin(19200);       // use the serial port
  joystick = new AxisJoystick(JOYSTICK_SW_PIN, JOYSTICK_VRX_PIN, JOYSTICK_VRY_PIN);
}

int printValue(int index, int val) {
  if (val > THRESHOLD) {
    Serial.print("TOUCH ");
    Serial.println(index);
  }
}

int printJoystick(int move) {
  if (move == AxisJoystick::Move::PRESS) {
    Serial.println("JS PRESS");
  } else if (move == AxisJoystick::Move::UP) {
    Serial.println("JS UP");
  } else if (move == AxisJoystick::Move::DOWN) {
    Serial.println("JS DOWN");
  } else if (move == AxisJoystick::Move::RIGHT) {
    Serial.println("JS RIGHT");
  } else if (move == AxisJoystick::Move::LEFT) {
    Serial.println("JS LEFT");
  } else {
    return 0;
  }

  return 1;
  
}

void loop() {
    printValue(1, analogRead(piezo1));
    printValue(2, analogRead(piezo2));
    printValue(3, analogRead(piezo3));
    printValue(4, analogRead(piezo4));
    printJoystick(joystick->singleRead());
    delay(30);  // delay to avoid overloading the serial port buffer
}