#define PIN_SPEAKER 2
#define PIN_VOLUME_PAD_RX 4
#define PIN_VOLUME_PAD_TX 5
#define PIN_PITCH_PAD_RX 6
#define PIN_PITCH_PAD_TX 7

#include "avdweb_AnalogReadFast.h"



void setup() {
  SerialUSB.begin(0);
  pinMode(PIN_VOLUME_PAD_RX, INPUT);
  pinMode(PIN_PITCH_PAD_RX, INPUT);
  pinMode(PIN_VOLUME_PAD_TX, OUTPUT);
  pinMode(PIN_PITCH_PAD_TX, OUTPUT);

  pinMode(PIN_SPEAKER, OUTPUT);
  analogWriteResolution(10);
  analogWrite(PIN_SPEAKER, 0);
  tone(PIN_SPEAKER, 800);

}

void loop() {
  //Serial.println("boop");
  digitalWrite(PIN_VOLUME_PAD_TX, LOW);
//  digitalWrite(PIN_PITCH_PAD_TX, LOW);
  delay(20);
  
  digitalWrite(PIN_VOLUME_PAD_TX, HIGH);
//  digitalWrite(PIN_PITCH_PAD_TX, HIGH);

  int volumeValue = analogReadFast(PIN_VOLUME_PAD_RX);
//  int pitchValue = analogReadFast(PIN_PITCH_PAD_RX);

  Serial.print("Volume: ");
  Serial.println(volumeValue);
  //Serial.print("\n");
//  Serial.print("Pitch: ");
//  Serial.println(pitchValue);

  int freq = map(volumeValue, 0, 1000, 50, 4000);
//  int val2 = map(volumeValue, 0, 1000, 10, 1000);
//  factor=0;
//  pressed=true;
//  tone(PIN_SPEAKER, 800);
//  noTone;
//  delay(val2);

}