enum KeypadButtons{
  UP,DOWN,LEFT,RIGHT,OK,BACK,_COUNT
};

char buttonChar[] = "wsadqe";

void pr() {
  Serial.print(F("Buttons ("));
  Serial.print(_COUNT);
  Serial.println(F("):"));
  for (uint8_t i = 0; i<_COUNT; i++) {
    Serial.print(F(" Button "));
    Serial.print(i);
    Serial.print(F(" - "));
    Serial.print(buttonChar[i]);
    Serial.println();
  }

}


void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);

  pr();

  Serial.println(F("Start"));
}

void loop() {
  // put your main code here, to run repeatedly:

}