#pragma once

#include <Arduino.h>
#include <ModbusSerial.h>

#define COIL_COUNT 40

#define DATA_PIN_595 9
#define OE_PIN_595 10
#define LATCH_PIN_595 11
#define CLOCK_PIN_595 12

struct U6 {
  bool A: 1;
  bool B: 1;
  bool C: 1;
  bool D: 1;
  bool E: 1;
  bool F: 1;
  bool G: 1;
  bool H: 1;
};

struct U8 {
  bool G1: 1;
  bool G2: 1;
  bool G3: 1;
  bool G4: 1;
  unsigned NC: 4;
};

struct U5 {
  bool J1: 1;
  bool J2: 1;
  bool J3: 1;
  bool J4: 1;
  bool J5: 1;
  bool J6: 1;
  bool J7: 1;
  bool J8: 1;
};

struct ShiftOutRegisters {
  U6 u6;
  U8 u8;
  U5 u5;
};

union ShiftOutRegistersUnion {
  ShiftOutRegisters shiftOutRegisters;
  uint8_t bytes[3];
};

struct Coils {
  U5 relays;
  U6 digit0;
  U6 digit1;
  U6 digit2;
  U6 digit3;
};

void setupCoils(ModbusSerial& mb);
void coilsTask(ModbusSerial& mb);