midi-control

#include <MIDI.h>

const int BUTTON = 2;
int currentState = HIGH;
int newState = HIGH;

byte goArray[7] = {0xf0, 0x7f, 0x7f, 0x02, 0x01, 0x01, 0xf7}; // GO array

MIDI_CREATE_DEFAULT_INSTANCE();

// Setup: runs once at startup
void setup() {
    pinMode(BUTTON, INPUT_PULLUP);
    MIDI.begin(MIDI_CHANNEL_OFF);
}

// Loop: runs forever
void loop() {
    newState = digitalRead(BUTTON);

    // Only run if button state changes
    if (currentState != newState) {
        // Only run when button is first pressed (keydown)
        // The PULLUP mode means the button is LOW when pressed
        if (newState == LOW) {
            // This is the part I'm not sure of
            // Here we're sending a Note ON command, definitely not what we want
            // I suspect this should be MIDI.sendSysEx()
            MIDI.sendSysEx(7, goArray, true);
        }
        delay(50); // Delay a bit to debonce
    }
    currentState = newState;
}