 void initializeTrellis() {
   // INT pin requires a pullup;
   // this is also the MIDI Tx pin recommended to bound to high
-  pinMode(INT_PIN, INPUT_PULLUP);
+  pinMode(TRELLIS_INT_PIN, INPUT_PULLUP);
 
   trellis.begin(0x70);
   //trellis.readSwitches(); // ignore already pressed switches


// Trellis setup
#define NUMKEYS            4
#define INT_PIN            1

// Feather/Wing pin setup
#define MUSIC_RESET_PIN   12     // VS1053 reset pin (not used!)


Adafruit_Trellis trellis = Adafruit_Trellis();
Adafruit_VS1053_FilePlayer player = Adafruit_VS1053_FilePlayer(MUSIC_RESET_PIN, MUSIC_CS_PIN, MUSIC_DCS_PIN, MUSIC_DREQ_PIN, CARD_CS_PIN);
ClickEncoder encoder = ClickEncoder(ENCODER_A_PIN, ENCODER_B_PIN, ENCODER_SWITCH_PIN, 2, LOW, HIGH);


unsigned long nextReadTick = millis() + 1;
