pcf8574mux.h

/*
   SpaIot Library (c) by epsilonrt - epsilonrt@epsilonrt.fr
   This file is part of SpaIot library <https://github.com/epsilonrt/spaiot-lib>
 
   SPDX-License-Identifier: BSD-3-Clause
 
   SpaIot library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY;
*/
#pragma once
 
#include <Wire.h>
#include "buttoncontroller.h"
 
namespace SpaIot {
 
  class Pcf8574Mux : public ButtonController {
    public:
 
      Pcf8574Mux (uint8_t slaveAddress = 0x20, TwoWire &bus = Wire, uint8_t idleValue = 0xFF);
 
      Pcf8574Mux (const String &name, uint8_t slaveAddress = 0x20, TwoWire &bus = Wire, uint8_t idleValue = 0xFF);
 
      Pcf8574Mux (const Pcf8574Mux &other);
 
      Pcf8574Mux &operator= (const Pcf8574Mux &other);
 
      Pcf8574Mux (Pcf8574Mux &&other);
 
      Pcf8574Mux &operator= (Pcf8574Mux &&other);
 
      uint8_t address() const;
 
      // re-implemented methods from ButtonController
      virtual void clear();
      virtual bool isEmpty() const;
      virtual bool operator== (const ButtonController &other) const;
      virtual void begin();
      virtual void end();
      virtual int select (int button);
      virtual void deselect ();
 
    protected:
      class Private;
      Pcf8574Mux (Private &dd);
    private:
      PIMPL_DECLARE_PRIVATE (Pcf8574Mux)
  };
 
  extern Pcf8574Mux SpaIotPcf8574Mux;
}