/*****************************************************************************

    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.h
    by joan2937, pigpio @ abyz.me.uk
    https://abyz.me.uk/rpi/pigpio

    sigslot.h
    by 2017 Pierre-Antoine Lacaze
    https://github.com/palacaze/sigslot

***************************************************************************/


#ifndef LIBPIGCORE_H
#define LIBPIGCORE_H


#include <string>
#include <iostream>
#include <signal.hpp>

#include <libpigpio.h>

//using namespace pigpio;

struct pigI2C;

namespace pigpio
{

    class LIBPIGPIO_EXPORT pigCore
    {

    public:

        /*
        - sigX einheitlich, geht das
        - stack für sensoren
        - threaded sensors / actors?
        - timer flicken
        */

        virtual int init( const std::string& host ="" , const std::string& port="" ) = 0;

        // pin config
        virtual int set_io_mode( bcm_t bcm, io_t mode ) = 0;
        virtual int get_io_mode( bcm_t bcm ) = 0;
        virtual int set_pud_mode( bcm_t bcm, pud_t pud ) = 0;
        virtual int set_glitch_filter( bcm_t bcm, uint32_t glitch = GlitchDef ) = 0;
        virtual int set_noise_filter( bcm_t bcm, uint32_t steady, uint32_t active )  = 0;

        // pin operations
        virtual int get_level( bcm_t bcm ) = 0;
        virtual int set_level( bcm_t bcm, level_t level ) = 0;
        virtual int trigger_level( bcm_t bcm, level_t level, uint32_t pulseLen ) = 0;
        virtual int wait_for_edge( bcm_t bcm, edge_t edge, double timeout = TimeoutDef ) = 0;

        // reality interface
        virtual int set_callback( bcm_t bcm, pigCall* user, edge_t edge = either ) = 0;
        virtual int cancel_callback( int cbId ) = 0;

        // software PWM
        /*
        set_PWM_dutycycle	Start/stop PWM pulses on a GPIO
        set_PWM_frequency	Configure PWM frequency for a GPIO
        set_PWM_range	Configure PWM range for a GPIO
        get_PWM_dutycycle	Get the PWM dutycycle in use on a GPIO
        get_PWM_frequency	Get configured PWM frequency for a GPIO
        get_PWM_range	Get configured PWM range for a GPIO
        get_PWM_real_range	Get underlying PWM range for a GPIO
        */


        // i2c
        virtual int i2c_open( pigI2C& i2c ) = 0;
        virtual int i2c_close( pigI2C& i2c ) = 0;
/*
        virtual int i2c_write_quick( pigI2C& i2c, unsigned bit ) = 0;
        virtual int i2c_write_byte( pigI2C& i2c, unsigned bVal ) = 0;
        virtual int i2c_write_byte_data( pigI2C& i2c, unsigned reg, unsigned val ) = 0;
        virtual int i2c_write_word_data( pigI2C& i2c, unsigned reg, unsigned val ) = 0;
        virtual int i2c_write_block_data( pigI2C& i2c, unsigned reg, char* buf, unsigned count  ) = 0;
        virtual int i2c_write_i2c_block_data( pigI2C& i2c, unsigned reg, char* buf, unsigned count ) = 0;
        */
        virtual int i2c_write_device( pigI2C& i2c, char* buf, unsigned count ) = 0;
/*
        virtual int i2c_read_byte( pigI2C& i2c ) = 0;
        virtual int i2c_read_byte_data( pigI2C& i2c, unsigned reg ) = 0;
        virtual int i2c_read_word_data( pigI2C& i2c, unsigned reg ) = 0;
        virtual int i2c_read_block_data( pigI2C& i2c, unsigned reg, char* buf ) = 0;
        virtual int i2c_read_i2c_block_data( pigI2C& i2c, unsigned reg, char* buf, unsigned count ) = 0;
        virtual int i2c_read_device( pigI2C& i2c, char* buf, unsigned count ) = 0;

        virtual int i2c_process_call( pigI2C& i2c, unsigned i2c_reg, unsigned wVal) = 0;
        virtual int i2c_block_process_call( pigI2C& i2c, unsigned i2c_reg, char* buf, unsigned count ) = 0;
        virtual int i2c_zip( pigI2C& i2c, char *inBuf, unsigned inLen, char *outBuf, unsigned outLen ) = 0;
        */

        // advanced
        virtual int hardware_PWM( bcm_t bcm, uint32_t PWMfreq, uint32_t PWMduty )  = 0;
        virtual int hardware_clock( bcm_t bcm, uint32_t clkfreq ) = 0;
        virtual uint32_t get_current_tick() = 0;

        // info
        virtual int get_hardware_revision() = 0;
        virtual int get_pigpio_version() = 0;
        virtual unsigned pigpiod_if_version() = 0;

        virtual int show_error( int errNo ) = 0;


    protected:

        int _Pi;

    }; // class pigCore

} // namespace pigpio


#endif // LIBPIGCORE_H