/*
   https://forum.arduino.cc/t/ein-schiedsrichtertisch-fur-tischtennis-mit-74hc595-und-74hc165/1351812
   https://wokwi.com/projects/422507925198699521
   
   2025-02-10 noiasca - Umbau auf OOP 
*/

#include <ShiftRegister74HC595.h>
constexpr uint8_t button = A0;
bool flag = true;

class SevenSegment {
    const uint8_t  digits[10] = {0b11000000, //0  - vermutlich invers für Common Anode 7 Segment 
                                 0b11111001, //1
                                 0b10100100, //2
                                 0b10110000, //3
                                 0b10011001, //4
                                 0b10010010, //5
                                 0b10000010, //6
                                 0b11111000, //7
                                 0b10000000, //8
                                 0b10010000  //9
                                };
    const uint8_t sdi;
    const uint8_t sclk;
    const uint8_t load;
    //ShiftRegister74HC595<8> sr(sdi, sclk, load)
    ShiftRegister74HC595<8> sr;

  public:
    SevenSegment(uint8_t sdi, uint8_t sclk, uint8_t load) : sdi(sdi), sclk(sclk), load(load), sr(sdi, sclk, load) {}

    void showNumber(int num) {
      int apz, ape, ase, bse, pb1, bpz, pb2, bpe;
      apz = num % 10 ;
      ape = (num / 10) % 10 ;
      ase = (num / 100) % 10 ;
      pb1 = (num / 1000) % 10 ;
      bse = (num / 1000) % 10 ;
      pb2 = (num / 100000) % 10 ;
      bpz = (num / 10000) % 10 ;
      bpe = (num / 100000) % 10 ;
      //Send them to 7 segment displays
      uint8_t numberToPrint[] = {digits[ape], digits[apz], digits[ase], digits[pb1], digits[bse], digits[pb2], digits[bpe], digits[bpz]};
      sr.setAll(numberToPrint);
    }

    void off() {
      sr.setAllLow();
    }

    void show(int aPunkt, int aSatz, int bPunkt, int bSatz, int pb1 = 0, int pb2 = 0) {
      // was sind pb1 und pb2?
      int apz, ape, bpz, bpe;
      apz = aPunkt / 10 ;  // to be checked! evtl. sind die zwei shiftregister für ape/apz falsch rum
      ape = aPunkt % 10 ;  // to be checked!
      bpz = bPunkt / 10 ;
      bpe = bPunkt % 10 ;
      uint8_t numberToPrint[] = {digits[apz], digits[ape], digits[aSatz], digits[pb1], digits[bSatz], digits[pb2], digits[bpe], digits[bpz]};
      sr.setAll(numberToPrint);
    }
};


// constexpr uint8_t SDI = 7;     // Data DS
// constexpr uint8_t SCLK = 5;     // 74HC595  pin 10 SHCP
// constexpr uint8_t LOAD = 6;     // 74HC595  pin 9 STCP
// constexpr uint8_t DIGITS = 8;

SevenSegment displayA(7, 5, 6);    // a 8 digit display on these pins

void setup() {
  pinMode(button, INPUT_PULLUP);

  displayA.show(10, 2, 3, 4); // testweise Ausgabe
  delay(10000);           // nur zum testen
}

void loop() {
  if (digitalRead(button) == HIGH) {
    flag = true;
    for (int i = 0; i <= 99999999; i++)  {
      if (digitalRead(button) == LOW)
        break;
      displayA.showNumber(i);
      delay(25);
    }
  }
  if (digitalRead(button) == HIGH and flag == true) {
    flag = false;
    delay(2000);
    displayA.off();
  }
}
//