/*
   class with pointers to two arrays

   https://forum.arduino.cc/t/how-to-pass-an-array-to-a-class-as-an-argument/1275455/5
   2024-06-25 by noiasca
   code in thread
   to be deleted 2024-09
*/

const uint8_t segmentPins[] = { A9, A8, A7, A6, A5, A4, A3, A2 };
const uint8_t digitPins[] = { A0, A1 };

template <size_t nbrDigits> // the number of digits in the LED display
class Segments {
  private:
    // bits representing segments A through G (and decimal point) for numerals 0-9
    const uint8_t numeral[10] = {
      //ABCDEFG /dp
      0b11111100, // 0
      0b01100000, // 1
      0b11011010, // 2
      0b11110010, // 3
      0b01100110, // 4
      0b10110110, // 5
      0b10111110, // 6
      0b11100000, // 7
      0b11111110, // 8
      0b11110110, // 9
    };
    const uint8_t *segmentPins;
    const uint8_t *digitPins;
    
  public:
    Segments(const uint8_t (&segmentPins)[8], const uint8_t (&digitPins)[nbrDigits]) : segmentPins(segmentPins), digitPins(digitPins)  {}

    void debug() {
      Serial.println("segmentPins");
      for (size_t i = 0; i < 8; i++ ) {
          Serial.println(segmentPins[i]);
      }
      Serial.print("nbrDigits="); Serial.println(nbrDigits);
      Serial.println("digitPins");
      for (size_t i = 0; i < nbrDigits; i++) {
          Serial.println(digitPins[i]);
      }
    }
};

Segments <2>myseg(segmentPins, digitPins);

void setup() {
  Serial.begin(115200);
  myseg.debug();
}

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