linguider.h

/*
    SPDX-FileCopyrightText: 2016 Jasem Mutlaq <mutlaqja@ikarustech.com>
 
    SPDX-License-Identifier: GPL-2.0-or-later
*/
 
#pragma once
 
#include "../guideinterface.h"
 
#include <QAbstractSocket>
#include <QTimer>
 
class QTcpSocket;
 
namespace Ekos
{
/**
 * @class  LinGuider
 * Uses external LinGuider for guiding.
 *
 * @author Jasem Mutlaq
 * @version 1.0
 */
class LinGuider : public GuideInterface
{
    Q_OBJECT
 
  public:
    typedef enum {
        GET_VER = 1,
        SET_GUIDER_SQUARE_POS,
        SAVE_FRAME,
        DITHER,
        DITHER_NO_WAIT_XY,
        GET_DISTANCE,
        SAVE_FRAME_DECORATED,
        GUIDER,
        GET_GUIDER_STATE,
        SET_GUIDER_OVLS_POS,
        SET_GUIDER_RETICLE_POS,
        FIND_STAR,
        SET_DITHERING_RANGE,
        GET_RA_DEC_DRIFT
    } LinGuiderCommand;
    typedef enum { IDLE, GUIDING } LinGuiderState;
    typedef enum { DISCONNECTED, CONNECTING, CONNECTED } LinGuiderConnection;
 
    LinGuider();
    virtual ~LinGuider() override = default;
 
    bool Connect() override;
    bool Disconnect() override;
    bool isConnected() override { return (connection == CONNECTED); }
 
    bool calibrate() override;
    bool guide() override;
    bool abort() override;
    bool suspend() override;
    bool resume() override;
    bool dither(double pixels) override;
    bool clearCalibration() override { return true;}
 
  private slots:
 
    void readLinGuider();
    void onConnected();
    void displayError(QAbstractSocket::SocketError socketError);
 
  private:
    void sendCommand(LinGuiderCommand command, const QString &args = QString());
    void processResponse(LinGuiderCommand command, const QString &reply);
 
    QTcpSocket *tcpSocket { nullptr };
    QByteArray rawBuffer;
 
    LinGuiderState state { IDLE };
    LinGuiderConnection connection { DISCONNECTED };
 
    QTimer deviationTimer;
    QString starCenter;
};
}