/* --------------------------------------------------------
                       eventsources.h

     Header Ereignisquellen (event-sources) fuer ein event-
     basierendes System in Arduino OHNE Verwendung von
     Interrupts

     09.05.2026    R. Seelig
   -------------------------------------------------------- */

#ifndef EVENTSOURCES_H
  #define EVENTSOURCES_H
  
  #include <Arduino.h>
  
  /* ----------------------------------------------------------------------
                                TIMERADC Klasse
     ---------------------------------------------------------------------- */
  class TIMERADC
  {
    private:
      uint32_t starttime;
      uint8_t  adcpin;
      uint8_t  event;
  
      uint16_t minvalue;
      uint16_t adcdiv;
  
    public:
      TIMERADC(uint8_t pin, uint8_t tevent);
      void begin(void);      

      void setstarttime(void);
      int getadcmillis(void);
      uint8_t getstate(void);
  
      void setminvalue(uint16_t value);
      void setadcdiv(uint16_t value);
  };
  
  /* ----------------------------------------------------------------------
                                TIMERSOFT Klasse
     ---------------------------------------------------------------------- */
  class TIMERSOFT
  {
    private:
      uint32_t starttime;
      uint16_t overflow;
      uint8_t  event;
  
    public:
    
      TIMERSOFT(uint16_t ovf, uint8_t tevent);
  
      void setstarttime(void);
      uint8_t getstate(void);
      void setoverflow(uint16_t ovf);
  };
  
  /* ----------------------------------------------------------------------
                                GPIOCHANGE Klasse
     ---------------------------------------------------------------------- */
  class GPIOCHANGE
  {
    private:
      uint8_t iopin;
      uint8_t state;
      uint8_t event;
  
    public:

      GPIOCHANGE(uint8_t gpiopin, uint8_t tevent);
  
      uint8_t read(void);
      uint8_t getChange(void);
      uint8_t getState(void);
      void begin(void);
  };

  /* ----------------------------------------------------------------------
                                SYSTICKER Klasse
     ---------------------------------------------------------------------- */  
  class SYSTICKER
  {
    public:
      SYSTICKER(uint8_t tevent);

      void update();
      uint8_t getstate();
  
      uint32_t seconds;  
      uint8_t secondsflag;
  
    private:
      uint32_t lastmillis;
      uint32_t remainder;
      uint8_t event;
  };
  
  /* ----------------------------------------------------------------------
                                DATETIME Klasse
     ---------------------------------------------------------------------- */
  class DATETIME
  {
  public:
    uint16_t year;
    uint8_t  month;
    uint8_t  day;
    uint8_t  hour;
    uint8_t  minute;
    uint8_t  second;
    
    uint32_t stamp;
  
    DATETIME(uint8_t tevent);
  
    void stamp2date(void);
    void date2stamp(void);
    char getwtag(void);
  
  private:
    static constexpr uint16_t yearofs    = 1970;
    static constexpr uint8_t  secPerMin  = 60;
    static constexpr uint16_t secPerHour = 3600;
    static constexpr uint32_t secPerDay  = 86400UL;
    static constexpr uint32_t secPerYear = secPerDay * 365;  

    uint8_t event;
  
    uint8_t isschaltjahr(int year);
    uint8_t monthlen(int year, uint8_t month);
  };

#endif