USB_Guitar/sketch/sketch.ino

#include <Chrono.h>
#include <LightChrono.h>

/*
Convert wireless playstation guitar to USB guitar with Teensy.
Copyright (C) 2020  Adam Bissen

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <https://www.gnu.org/licenses/>.
*/

/*
Need 3.3V supply to touch controls. Voltage feedback for each section
#Whammy Bar. 3.3V supply to pot

Inputs:
D6 Strum Up
D5 Strum Down
D0 Green Button
D1 Red Button
D2 Yellow Button
D3 Blue Button
D4 Orange Button
A1 Slider Bar
Whammy Bar - Analog
Start Select
Up
Down
Left
Right

Outputs:
LED's
22
23

*/
int ledState = LOW;
Chrono ledTimer;

void setup() {

  Serial.begin(9600); // USB is always 12 Mbit/sec
//  analogReadAveraging(8);
  pinMode(0, INPUT_PULLUP);
  pinMode(1, INPUT_PULLUP);
  pinMode(2, INPUT_PULLUP);
  pinMode(3, INPUT_PULLUP);
  pinMode(4, INPUT_PULLUP);
  pinMode(5, INPUT_PULLUP);
  pinMode(6, INPUT_PULLUP);
  pinMode(23, OUTPUT);
  digitalWrite(23, ledState);
  pinMode(22, OUTPUT);
  digitalWrite(23, !ledState);

}

//int slider = 0;

void loop() {

//  slider = analogRead(1);
  
//  Serial.println(slider);
//  delay(500);

  if (digitalRead(0) == LOW ) {
    Serial.println("Green");
  }
  
  if (digitalRead(1) == LOW ) {
    Serial.println("Red");
  }

  if (digitalRead(2) == LOW ) {
    Serial.println("Yellow");
  }

  if (digitalRead(3) == LOW ) {
    Serial.println("Blue");
  }

  if (digitalRead(4) == LOW ) {
    Serial.println("Orange");
  }

  if (digitalRead(5) == LOW ) {
    Serial.println("Strum Up");
  }

  if (digitalRead(6) == LOW ) {
    Serial.println("Strum Down");
  }

  if(ledTimer.hasPassed(500)) {
    ledTimer.restart();
    digitalWrite(23, !ledState);
    digitalWrite(22, ledState);
    ledState = !ledState;
  }

//  delay(500);
}