Code

#include <Control_Surface.h>
 
#include <AH/STL/algorithm> // std::any_of
 
USBMIDI_Interface midi; // MIDI Interface to use
 
Bank<4> bank(20);
 
// Create a new bank selector that changes the bank setting of the bank we just
// created.
// It has push buttons connected to pins 21 and 20 that increment or decrement
// the bank setting, and 4 LEDs to pins 46, 48, 50, 52 that display the current
// bank setting.
IncrementDecrementSelectorLEDs<4> bankSelector = {
  bank,
  {35, 37},         // button pins
  {39, 41, 43, 45}, // LED pins
};
 
using namespace MIDI_CC;
Bankable::CCPotentiometer potentiometers[] = {
  {bank,  A4, {0x4A, CHANNEL_1}},
  {bank,  A5, {0x4B, CHANNEL_1}},
  {bank,  A6, {0x4C, CHANNEL_1}},
  {bank,  A7, {0x4D, CHANNEL_1}},
  {bank,  A8, {0x4E, CHANNEL_1}},
  {bank,  A9, {0x4F, CHANNEL_1}},
  {bank,  A10, {0x50, CHANNEL_1}},
  {bank,  A11, {0x51, CHANNEL_1}},
};
 
Bankable::NoteButton muteButtons[] = {
  {bank, 13, 0x14},
  {bank, 12, 0x15},
  {bank, 11, 0x16},
  {bank, 10, 0x17},

  {bank, 9, 0x18},
  {bank, 8, 0x19},
  {bank, 14, 0x1A},
  {bank, 15, 0x1B},

  {bank, 16, 0x1C},
  {bank, 17, 0x1D},
  {bank, 18, 0x1E},
  {bank, 19, 0x1F},
  
  {bank, 20, 0x20},
  {bank, 21, 0x21},

  {bank, 23, 0x22},
  {bank, 25, 0x23},
  
  {bank, 27, 0x24},
  {bank, 29, 0x25},
  {bank, 31, 0x26},
  {bank, 33, 0x27},



};
 
constexpr pin_t ledPin = 47;
 
// :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: //
 
void setup() {
  Control_Surface.begin();
  pinMode(ledPin, OUTPUT);
}
 
// :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: //
 
void loop() {
  Control_Surface.loop();
 
  // Function that checks if a given button is pressed
  auto checkButtonPressed = [](const Bankable::NoteButton &button) {
    return button.getButtonState() == Button::Pressed;
  };
  // If any of the push buttons is pressed
  bool pressed = std::any_of(std::begin(muteButtons), std::end(muteButtons),
                             checkButtonPressed);
  // Turn on the LED
  digitalWrite(ledPin, pressed);
}