/*********************************************************************
 *
 *  $Id: svn_id $
 *
 *  Declares yFindRangeFinder(), the high-level API for RangeFinder functions
 *
 *  - - - - - - - - - License information: - - - - - - - - -
 *
 *  Copyright (C) 2011 and beyond by Yoctopuce Sarl, Switzerland.
 *
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 *  file into your software for the sole purpose of interfacing
 *  with Yoctopuce products.
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 *  source or object form, as long as the sole purpose of this
 *  code is to interface with Yoctopuce products. You must retain
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#ifndef YOCTO_RANGEFINDER_H
#define YOCTO_RANGEFINDER_H

#include <cfloat>
#include <cmath>

#include "yocto_api.h"

#ifdef YOCTOLIB_NAMESPACE
namespace YOCTOLIB_NAMESPACE
{
#endif

//--- (YRangeFinder return codes)
//--- (end of YRangeFinder return codes)
//--- (YRangeFinder yapiwrapper)
//--- (end of YRangeFinder yapiwrapper)
//--- (YRangeFinder definitions)
class YRangeFinder; // forward declaration

typedef void (*YRangeFinderValueCallback)(YRangeFinder *func, const string& functionValue);
class YMeasure; // forward declaration
typedef void (*YRangeFinderTimedReportCallback)(YRangeFinder *func, YMeasure measure);
#ifndef _Y_RANGEFINDERMODE_ENUM
#define _Y_RANGEFINDERMODE_ENUM
typedef enum {
    Y_RANGEFINDERMODE_DEFAULT = 0,
    Y_RANGEFINDERMODE_LONG_RANGE = 1,
    Y_RANGEFINDERMODE_HIGH_ACCURACY = 2,
    Y_RANGEFINDERMODE_HIGH_SPEED = 3,
    Y_RANGEFINDERMODE_INVALID = -1,
} Y_RANGEFINDERMODE_enum;
#endif
#define Y_TIMEFRAME_INVALID             (YAPI_INVALID_LONG)
#define Y_QUALITY_INVALID               (YAPI_INVALID_UINT)
#define Y_HARDWARECALIBRATION_INVALID   (YAPI_INVALID_STRING)
#define Y_CURRENTTEMPERATURE_INVALID    (YAPI_INVALID_DOUBLE)
#define Y_COMMAND_INVALID               (YAPI_INVALID_STRING)
//--- (end of YRangeFinder definitions)

//--- (YRangeFinder declaration)
/**
 * YRangeFinder Class: range finder control interface, available for instance in the Yocto-RangeFinder
 *
 * The YRangeFinder class allows you to read and configure Yoctopuce range finders.
 * It inherits from YSensor class the core functions to read measurements,
 * to register callback functions, and to access the autonomous datalogger.
 * This class adds the ability to easily perform a one-point linear calibration
 * to compensate the effect of a glass or filter placed in front of the sensor.
 */
class YOCTO_CLASS_EXPORT YRangeFinder: public YSensor {
#ifdef __BORLANDC__
#pragma option push -w-8022
#endif
//--- (end of YRangeFinder declaration)
protected:
    //--- (YRangeFinder attributes)
    // Attributes (function value cache)
    Y_RANGEFINDERMODE_enum _rangeFinderMode;
    s64             _timeFrame;
    int             _quality;
    string          _hardwareCalibration;
    double          _currentTemperature;
    string          _command;
    YRangeFinderValueCallback _valueCallbackRangeFinder;
    YRangeFinderTimedReportCallback _timedReportCallbackRangeFinder;

    friend YRangeFinder *yFindRangeFinder(const string& func);
    friend YRangeFinder *yFirstRangeFinder(void);

    // Function-specific method for parsing of JSON output and caching result
    virtual int     _parseAttr(YJSONObject *json_val);

    // Constructor is protected, use yFindRangeFinder factory function to instantiate
    YRangeFinder(const string& func);
    //--- (end of YRangeFinder attributes)

public:
    virtual ~YRangeFinder();
    //--- (YRangeFinder accessors declaration)

    static const Y_RANGEFINDERMODE_enum RANGEFINDERMODE_DEFAULT = Y_RANGEFINDERMODE_DEFAULT;
    static const Y_RANGEFINDERMODE_enum RANGEFINDERMODE_LONG_RANGE = Y_RANGEFINDERMODE_LONG_RANGE;
    static const Y_RANGEFINDERMODE_enum RANGEFINDERMODE_HIGH_ACCURACY = Y_RANGEFINDERMODE_HIGH_ACCURACY;
    static const Y_RANGEFINDERMODE_enum RANGEFINDERMODE_HIGH_SPEED = Y_RANGEFINDERMODE_HIGH_SPEED;
    static const Y_RANGEFINDERMODE_enum RANGEFINDERMODE_INVALID = Y_RANGEFINDERMODE_INVALID;
    static const s64 TIMEFRAME_INVALID = YAPI_INVALID_LONG;
    static const int QUALITY_INVALID = YAPI_INVALID_UINT;
    static const string HARDWARECALIBRATION_INVALID;
    static const double CURRENTTEMPERATURE_INVALID;
    static const string COMMAND_INVALID;

    /**
     * Changes the measuring unit for the measured range. That unit is a string.
     * String value can be " or mm. Any other value is ignored.
     * Remember to call the saveToFlash() method of the module if the modification must be kept.
     * WARNING: if a specific calibration is defined for the rangeFinder function, a
     * unit system change will probably break it.
     *
     * @param newval : a string corresponding to the measuring unit for the measured range
     *
     * @return YAPI::SUCCESS if the call succeeds.
     *
     * On failure, throws an exception or returns a negative error code.
     */
    int             set_unit(const string& newval);
    inline int      setUnit(const string& newval)
    { return this->set_unit(newval); }

    /**
     * Returns the range finder running mode. The rangefinder running mode
     * allows you to put priority on precision, speed or maximum range.
     *
     * @return a value among YRangeFinder::RANGEFINDERMODE_DEFAULT,
     * YRangeFinder::RANGEFINDERMODE_LONG_RANGE, YRangeFinder::RANGEFINDERMODE_HIGH_ACCURACY and
     * YRangeFinder::RANGEFINDERMODE_HIGH_SPEED corresponding to the range finder running mode
     *
     * On failure, throws an exception or returns YRangeFinder::RANGEFINDERMODE_INVALID.
     */
    Y_RANGEFINDERMODE_enum get_rangeFinderMode(void);

    inline Y_RANGEFINDERMODE_enum rangeFinderMode(void)
    { return this->get_rangeFinderMode(); }

    /**
     * Changes the rangefinder running mode, allowing you to put priority on
     * precision, speed or maximum range.
     * Remember to call the saveToFlash() method of the module if the modification must be kept.
     *
     * @param newval : a value among YRangeFinder::RANGEFINDERMODE_DEFAULT,
     * YRangeFinder::RANGEFINDERMODE_LONG_RANGE, YRangeFinder::RANGEFINDERMODE_HIGH_ACCURACY and
     * YRangeFinder::RANGEFINDERMODE_HIGH_SPEED corresponding to the rangefinder running mode, allowing you
     * to put priority on
     *         precision, speed or maximum range
     *
     * @return YAPI::SUCCESS if the call succeeds.
     *
     * On failure, throws an exception or returns a negative error code.
     */
    int             set_rangeFinderMode(Y_RANGEFINDERMODE_enum newval);
    inline int      setRangeFinderMode(Y_RANGEFINDERMODE_enum newval)
    { return this->set_rangeFinderMode(newval); }

    /**
     * Returns the time frame used to measure the distance and estimate the measure
     * reliability. The time frame is expressed in milliseconds.
     *
     * @return an integer corresponding to the time frame used to measure the distance and estimate the measure
     *         reliability
     *
     * On failure, throws an exception or returns YRangeFinder::TIMEFRAME_INVALID.
     */
    s64                 get_timeFrame(void);

    inline s64          timeFrame(void)
    { return this->get_timeFrame(); }

    /**
     * Changes the time frame used to measure the distance and estimate the measure
     * reliability. The time frame is expressed in milliseconds. A larger timeframe
     * improves stability and reliability, at the cost of higher latency, but prevents
     * the detection of events shorter than the time frame.
     * Remember to call the saveToFlash() method of the module if the modification must be kept.
     *
     * @param newval : an integer corresponding to the time frame used to measure the distance and estimate the measure
     *         reliability
     *
     * @return YAPI::SUCCESS if the call succeeds.
     *
     * On failure, throws an exception or returns a negative error code.
     */
    int             set_timeFrame(s64 newval);
    inline int      setTimeFrame(s64 newval)
    { return this->set_timeFrame(newval); }

    /**
     * Returns a measure quality estimate, based on measured dispersion.
     *
     * @return an integer corresponding to a measure quality estimate, based on measured dispersion
     *
     * On failure, throws an exception or returns YRangeFinder::QUALITY_INVALID.
     */
    int                 get_quality(void);

    inline int          quality(void)
    { return this->get_quality(); }

    string              get_hardwareCalibration(void);

    inline string       hardwareCalibration(void)
    { return this->get_hardwareCalibration(); }

    int             set_hardwareCalibration(const string& newval);
    inline int      setHardwareCalibration(const string& newval)
    { return this->set_hardwareCalibration(newval); }

    /**
     * Returns the current sensor temperature, as a floating point number.
     *
     * @return a floating point number corresponding to the current sensor temperature, as a floating point number
     *
     * On failure, throws an exception or returns YRangeFinder::CURRENTTEMPERATURE_INVALID.
     */
    double              get_currentTemperature(void);

    inline double       currentTemperature(void)
    { return this->get_currentTemperature(); }

    string              get_command(void);

    inline string       command(void)
    { return this->get_command(); }

    int             set_command(const string& newval);
    inline int      setCommand(const string& newval)
    { return this->set_command(newval); }

    /**
     * Retrieves a range finder for a given identifier.
     * The identifier can be specified using several formats:
     *
     * - FunctionLogicalName
     * - ModuleSerialNumber.FunctionIdentifier
     * - ModuleSerialNumber.FunctionLogicalName
     * - ModuleLogicalName.FunctionIdentifier
     * - ModuleLogicalName.FunctionLogicalName
     *
     *
     * This function does not require that the range finder is online at the time
     * it is invoked. The returned object is nevertheless valid.
     * Use the method isOnline() to test if the range finder is
     * indeed online at a given time. In case of ambiguity when looking for
     * a range finder by logical name, no error is notified: the first instance
     * found is returned. The search is performed first by hardware name,
     * then by logical name.
     *
     * If a call to this object's is_online() method returns FALSE although
     * you are certain that the matching device is plugged, make sure that you did
     * call registerHub() at application initialization time.
     *
     * @param func : a string that uniquely characterizes the range finder, for instance
     *         YRNGFND1.rangeFinder1.
     *
     * @return a YRangeFinder object allowing you to drive the range finder.
     */
    static YRangeFinder* FindRangeFinder(string func);

    /**
     * Registers the callback function that is invoked on every change of advertised value.
     * The callback is then invoked only during the execution of ySleep or yHandleEvents.
     * This provides control over the time when the callback is triggered. For good responsiveness,
     * remember to call one of these two functions periodically. The callback is called once juste after beeing
     * registered, passing the current advertised value  of the function, provided that it is not an empty string.
     * To unregister a callback, pass a NULL pointer as argument.
     *
     * @param callback : the callback function to call, or a NULL pointer. The callback function should take two
     *         arguments: the function object of which the value has changed, and the character string describing
     *         the new advertised value.
     * @noreturn
     */
    virtual int         registerValueCallback(YRangeFinderValueCallback callback);
    using YSensor::registerValueCallback;

    virtual int         _invokeValueCallback(string value);

    /**
     * Registers the callback function that is invoked on every periodic timed notification.
     * The callback is invoked only during the execution of ySleep or yHandleEvents.
     * This provides control over the time when the callback is triggered. For good responsiveness, remember to call
     * one of these two functions periodically. To unregister a callback, pass a NULL pointer as argument.
     *
     * @param callback : the callback function to call, or a NULL pointer. The callback function should take two
     *         arguments: the function object of which the value has changed, and an YMeasure object describing
     *         the new advertised value.
     * @noreturn
     */
    virtual int         registerTimedReportCallback(YRangeFinderTimedReportCallback callback);
    using YSensor::registerTimedReportCallback;

    virtual int         _invokeTimedReportCallback(YMeasure value);

    /**
     * Returns the temperature at the time when the latest calibration was performed.
     * This function can be used to determine if a new calibration for ambient temperature
     * is required.
     *
     * @return a temperature, as a floating point number.
     *         On failure, throws an exception or return YAPI::INVALID_DOUBLE.
     */
    virtual double      get_hardwareCalibrationTemperature(void);

    /**
     * Triggers a sensor calibration according to the current ambient temperature. That
     * calibration process needs no physical interaction with the sensor. It is performed
     * automatically at device startup, but it is recommended to start it again when the
     * temperature delta since the latest calibration exceeds 8 degrees Celsius.
     *
     * @return YAPI::SUCCESS if the call succeeds.
     *         On failure, throws an exception or returns a negative error code.
     */
    virtual int         triggerTemperatureCalibration(void);

    /**
     * Triggers the photon detector hardware calibration.
     * This function is part of the calibration procedure to compensate for the effect
     * of a cover glass. Make sure to read the chapter about hardware calibration for details
     * on the calibration procedure for proper results.
     *
     * @return YAPI::SUCCESS if the call succeeds.
     *         On failure, throws an exception or returns a negative error code.
     */
    virtual int         triggerSpadCalibration(void);

    /**
     * Triggers the hardware offset calibration of the distance sensor.
     * This function is part of the calibration procedure to compensate for the the effect
     * of a cover glass. Make sure to read the chapter about hardware calibration for details
     * on the calibration procedure for proper results.
     *
     * @param targetDist : true distance of the calibration target, in mm or inches, depending
     *         on the unit selected in the device
     *
     * @return YAPI::SUCCESS if the call succeeds.
     *         On failure, throws an exception or returns a negative error code.
     */
    virtual int         triggerOffsetCalibration(double targetDist);

    /**
     * Triggers the hardware cross-talk calibration of the distance sensor.
     * This function is part of the calibration procedure to compensate for the effect
     * of a cover glass. Make sure to read the chapter about hardware calibration for details
     * on the calibration procedure for proper results.
     *
     * @param targetDist : true distance of the calibration target, in mm or inches, depending
     *         on the unit selected in the device
     *
     * @return YAPI::SUCCESS if the call succeeds.
     *         On failure, throws an exception or returns a negative error code.
     */
    virtual int         triggerXTalkCalibration(double targetDist);

    /**
     * Cancels the effect of previous hardware calibration procedures to compensate
     * for cover glass, and restores factory settings.
     * Remember to call the saveToFlash() method of the module if the modification must be kept.
     *
     * @return YAPI::SUCCESS if the call succeeds.
     *         On failure, throws an exception or returns a negative error code.
     */
    virtual int         cancelCoverGlassCalibrations(void);


    inline static YRangeFinder *Find(string func)
    { return YRangeFinder::FindRangeFinder(func); }

    /**
     * Continues the enumeration of range finders started using yFirstRangeFinder().
     * Caution: You can't make any assumption about the returned range finders order.
     * If you want to find a specific a range finder, use RangeFinder.findRangeFinder()
     * and a hardwareID or a logical name.
     *
     * @return a pointer to a YRangeFinder object, corresponding to
     *         a range finder currently online, or a NULL pointer
     *         if there are no more range finders to enumerate.
     */
           YRangeFinder    *nextRangeFinder(void);
    inline YRangeFinder    *next(void)
    { return this->nextRangeFinder();}

    /**
     * Starts the enumeration of range finders currently accessible.
     * Use the method YRangeFinder::nextRangeFinder() to iterate on
     * next range finders.
     *
     * @return a pointer to a YRangeFinder object, corresponding to
     *         the first range finder currently online, or a NULL pointer
     *         if there are none.
     */
           static YRangeFinder *FirstRangeFinder(void);
    inline static YRangeFinder *First(void)
    { return YRangeFinder::FirstRangeFinder();}
#ifdef __BORLANDC__
#pragma option pop
#endif
    //--- (end of YRangeFinder accessors declaration)
};

//--- (YRangeFinder functions declaration)

/**
 * Retrieves a range finder for a given identifier.
 * The identifier can be specified using several formats:
 *
 * - FunctionLogicalName
 * - ModuleSerialNumber.FunctionIdentifier
 * - ModuleSerialNumber.FunctionLogicalName
 * - ModuleLogicalName.FunctionIdentifier
 * - ModuleLogicalName.FunctionLogicalName
 *
 *
 * This function does not require that the range finder is online at the time
 * it is invoked. The returned object is nevertheless valid.
 * Use the method isOnline() to test if the range finder is
 * indeed online at a given time. In case of ambiguity when looking for
 * a range finder by logical name, no error is notified: the first instance
 * found is returned. The search is performed first by hardware name,
 * then by logical name.
 *
 * If a call to this object's is_online() method returns FALSE although
 * you are certain that the matching device is plugged, make sure that you did
 * call registerHub() at application initialization time.
 *
 * @param func : a string that uniquely characterizes the range finder, for instance
 *         YRNGFND1.rangeFinder1.
 *
 * @return a YRangeFinder object allowing you to drive the range finder.
 */
inline YRangeFinder *yFindRangeFinder(const string& func)
{ return YRangeFinder::FindRangeFinder(func);}
/**
 * Starts the enumeration of range finders currently accessible.
 * Use the method YRangeFinder::nextRangeFinder() to iterate on
 * next range finders.
 *
 * @return a pointer to a YRangeFinder object, corresponding to
 *         the first range finder currently online, or a NULL pointer
 *         if there are none.
 */
inline YRangeFinder *yFirstRangeFinder(void)
{ return YRangeFinder::FirstRangeFinder();}

//--- (end of YRangeFinder functions declaration)

#ifdef YOCTOLIB_NAMESPACE
// end of namespace definition
}
#endif

#endif
