moonlite.h

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/*
    Moonlite Focuser
    Copyright (C) 2013-2019 Jasem Mutlaq (mutlaqja@ikarustech.com)
 
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.
 
    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
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 
*/
 
#pragma once
 
#include "indifocuser.h"
 
#include <chrono>
 
class MoonLite : public INDI::Focuser
{
    public:
        MoonLite();
        virtual ~MoonLite() override = default;
 
        typedef enum { FOCUS_HALF_STEP, FOCUS_FULL_STEP } FocusStepMode;
 
        const char * getDefaultName() override;
        virtual bool initProperties() override;
        virtual bool updateProperties() 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;
 
        static void timedMoveHelper(void * context);
 
    protected:
        virtual bool Handshake() override;
 
        virtual IPState MoveFocuser(FocusDirection dir, int speed, uint16_t duration) override;
 
        virtual IPState MoveAbsFocuser(uint32_t targetTicks) override;
 
        virtual IPState MoveRelFocuser(FocusDirection dir, uint32_t ticks) override;
 
        virtual bool SyncFocuser(uint32_t ticks) override;
 
        virtual bool SetFocuserSpeed(int speed) override;
        virtual bool AbortFocuser() override;
        virtual void TimerHit() override;
        virtual bool saveConfigItems(FILE * fp) override;
 
    private:
        bool Ack();
        bool sendCommand(const char * cmd, char * res = nullptr, bool silent = false, int nret = 0);
 
        // Get initial focuser parameter when we first connect
        void GetFocusParams();
        // Read and update Step Mode
        bool readStepMode();
        // Read and update Temperature
        bool readTemperature();
        // Read and update Position
        bool readPosition();
        // Read and update speed
        bool readSpeed();
        // Read version
        bool readVersion();
        // Are we moving?
        bool isMoving();
 
        bool MoveFocuser(uint32_t position);
        bool setStepMode(FocusStepMode mode);
        bool setSpeed(int speed);
        bool setTemperatureCalibration(double calibration);
        bool setTemperatureCoefficient(double coefficient);
        bool setTemperatureCompensation(bool enable);
        void timedMoveCallback();
 
        uint32_t targetPos { 0 }, lastPos { 0 }, lastTemperature { 0 };
 
        // Read Only Temperature Reporting
        INumber TemperatureN[1];
        INumberVectorProperty TemperatureNP;
 
        // Full/Half Step modes
        ISwitch StepModeS[2];
        ISwitchVectorProperty StepModeSP;
 
        // Temperature Settings
        INumber TemperatureSettingN[2];
        INumberVectorProperty TemperatureSettingNP;
 
        // Temperature Compensation Enable/Disable
        ISwitch TemperatureCompensateS[2];
        ISwitchVectorProperty TemperatureCompensateSP;
 
        // MoonLite Buffer
        static const uint8_t ML_RES { 32 };
        // MoonLite Delimeter
        static const char ML_DEL { '#' };
        // MoonLite Tiemout
        static const uint8_t ML_TIMEOUT { 3 };
};