Files
libpigpio/pigstate.h
2025-08-05 22:33:23 +02:00

108 lines
2.2 KiB
C++

/*****************************************************************************
source::worx libPiGPio
Copyright © 2022 c.holzheuer
chris@sourceworx.org
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
Uses:
pigpiod_if2 by joan2937, pigpio @ abyz.me.uk
https://abyz.me.uk/rpi/pigpio
sigslot by 2017 Pierre-Antoine Lacaze
https://github.com/palacaze/sigslot
***************************************************************************/
#ifndef PIGSTATE_H
#define PIGSTATE_H
#include <libpigpio.h>
#include <pigvalue.h>
/**
* @brief The pigState class
* set_state ist passiv; change_state kann von 'innen' (per Gui) _oder_ von 'aussen'
* (elektrisch) kommen, je nach Zweck der implementierung ...
*/
class LIBPIGPIO_EXPORT pigState
{
public:
signalBool sigState;
pigState() = default;
explicit pigState( bool astate );
virtual ~pigState() = default;
bool state();
virtual void set_state( bool newState );
void toggle_state();
// passiv (empfänger) oder aktiv (sender):
// die implemetierung entscheidet
virtual void change_state( bool newState ) = 0;
template< typename T >
void connect_state( T& listener )
{
//sigState.connect( [&](bool state) { T::change_state( state ); } );
sigState.connect( &T::change_state, &listener );
}
protected:
bool _state = false;
};
template< typename V>
class LIBPIGPIO_EXPORT pigRec
{
public:
virtual void change_x( V newValue )
{
std::cout << "pigRec:" << newValue << std::endl;
}
};
template< typename V>
class LIBPIGPIO_EXPORT pigFykz
{
public:
sigslot::signal<V> sigFykz;
virtual void change_x( V newValue )
{
std::cout << "pigFykz: " << newValue << std::endl;
}
template< typename T >
void connect_x( T& listener )
{
//sigState.connect( [&](bool state) { T::change_state( state ); } );
sigFykz.connect( &T::change_x, &listener );
}
};
#endif // PIGSTATE_H