// CCRMA Mobile Synths II Summer Workshop 2017
// Simple Teensy program to control the duet.dsp SmartKeyb app

#include <Bounce.h>

int ccFreqSaw = 10; // MIDI CC for the pitch of the sawtooth
int ccFreqTri = 11; // MIDI CC for the pitch of the triangle
int ccSwitch = 12; // MIDI CC to switch between the saw and the tri
int midiChannel = 0;
int sawNotes[] = {64,65,67}; // MIDI notes for the saw
int triNotes[] = {80,78,77}; // MIDI notes for the tri

void setup() {
}

void loop() {
  // Switching between tri, saw, or both
  int instrSwitch = random(3);
  usbMIDI.sendControlChange(ccSwitch,instrSwitch,midiChannel);
  for(int i=0; i<3; i++){
    // Reading and sending notes
    if(instrSwitch == 0 || instrSwitch == 2){ 
      usbMIDI.sendControlChange(ccFreqSaw,sawNotes[i],midiChannel);
    }
    if(instrSwitch == 1 || instrSwitch == 2){
      usbMIDI.sendControlChange(ccFreqTri,triNotes[i],midiChannel);
    }
    delay(500);
  }
}