planewave_rotator.h

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/*******************************************************************************
 Copyright(c) 2026 Jasem Mutlaq. All rights reserved.
 
 PlaneWave Rotator Driver
 API Communication via PWI4 HTTP Interface (port 8220)
 
 This library is free software; you can redistribute it and/or
 modify it under the terms of the GNU Library General Public
 License version 2 as published by the Free Software Foundation.
 .
 This library is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 Library General Public License for more details.
 .
 You should have received a copy of the GNU Library General Public License
 along with this library; see the file COPYING.LIB.  If not, write to
 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 Boston, MA 02110-1301, USA.
*******************************************************************************/
 
#pragma once
 
#include "indirotator.h"
#include "indipropertytext.h"
#include "indipropertynumber.h"
#include "indipropertyswitch.h"
#include "indipropertylight.h"
#include "inicpp.h"
 
#include <httplib.h>
#include <memory>
 
class PlaneWaveRotator : public INDI::Rotator
{
    public:
        PlaneWaveRotator();
        // Destructor must be defined in .cpp so unique_ptr<httplib::Client>
        // is destroyed after the complete type is known.
        virtual ~PlaneWaveRotator();
 
        virtual const char *getDefaultName() override;
        virtual bool initProperties() override;
        virtual bool updateProperties() override;
        virtual bool Handshake() override;
 
        virtual bool ISNewNumber(const char *dev, const char *name, double values[], char *names[], int n) override;
        virtual bool ISNewSwitch(const char *dev, const char *name, ISState *states, char *names[], int n) override;
 
    protected:
        // ── RotatorInterface pure-virtual overrides ──────────────────────────
        virtual IPState MoveRotator(double angle) override;
        virtual bool    AbortRotator() override;
        virtual bool    ReverseRotator(bool enabled) override;
 
        // ── INDI device overrides ─────────────────────────────────────────────
        virtual void TimerHit() override;
        virtual bool saveConfigItems(FILE *fp) override;
 
    private:
 
        bool dispatch(const std::string &request);
 
        bool getStatus();
 
 
        INDI::PropertyText VersionTP {1};
 
        INDI::PropertySwitch MotorStateSP {2};
        enum { MOTOR_ENABLE, MOTOR_DISABLE };
 
        INDI::PropertyNumber MechPositionNP {1};
 
        INDI::PropertyLight RotatorStatusLP {2};
        enum { STATUS_CONNECTED, STATUS_ENABLED };
 
 
        ini::IniSectionBase<std::less<std::basic_string<char>>> m_Status;
 
        std::unique_ptr<httplib::Client> m_HttpClient;
 
        double m_LastMechPosition {-1.0};
 
        double m_LastFieldAngle {-1.0};
 
        static constexpr int    DEFAULT_PORT    {8220};
        static constexpr double POSITION_THRESHOLD {0.01}; 
};