/*********************************************************************
 *
 *  $Id: yocto_latitude.h 52567 2022-12-25 12:00:14Z seb $
 *
 *  Declares yFindLatitude(), the high-level API for Latitude 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
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 *
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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
 *  this notice in the distributed source file.
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 *  You should refer to Yoctopuce General Terms and Conditions
 *  for additional information regarding your rights and
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#ifndef YOCTO_LATITUDE_H
#define YOCTO_LATITUDE_H

#include <cfloat>
#include <cmath>

#include "yocto_api.h"

#ifdef YOCTOLIB_NAMESPACE
namespace YOCTOLIB_NAMESPACE
{
#endif

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

typedef void (*YLatitudeValueCallback)(YLatitude *func, const string& functionValue);
class YMeasure; // forward declaration
typedef void (*YLatitudeTimedReportCallback)(YLatitude *func, YMeasure measure);
//--- (end of YLatitude definitions)

//--- (YLatitude declaration)
/**
 * YLatitude Class: latitude sensor control interface, available for instance in the Yocto-GPS-V2
 *
 * The YLatitude class allows you to read and configure Yoctopuce latitude sensors.
 * It inherits from YSensor class the core functions to read measurements,
 * to register callback functions, and to access the autonomous datalogger.
 */
class YOCTO_CLASS_EXPORT YLatitude: public YSensor {
#ifdef __BORLANDC__
#pragma option push -w-8022
#endif
//--- (end of YLatitude declaration)
protected:
    //--- (YLatitude attributes)
    // Attributes (function value cache)
    YLatitudeValueCallback _valueCallbackLatitude;
    YLatitudeTimedReportCallback _timedReportCallbackLatitude;

    friend YLatitude *yFindLatitude(const string& func);
    friend YLatitude *yFirstLatitude(void);

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

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


    /**
     * Retrieves a latitude sensor for a given identifier.
     * The identifier can be specified using several formats:
     * <ul>
     * <li>FunctionLogicalName</li>
     * <li>ModuleSerialNumber.FunctionIdentifier</li>
     * <li>ModuleSerialNumber.FunctionLogicalName</li>
     * <li>ModuleLogicalName.FunctionIdentifier</li>
     * <li>ModuleLogicalName.FunctionLogicalName</li>
     * </ul>
     *
     * This function does not require that the latitude sensor is online at the time
     * it is invoked. The returned object is nevertheless valid.
     * Use the method isOnline() to test if the latitude sensor is
     * indeed online at a given time. In case of ambiguity when looking for
     * a latitude sensor 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 latitude sensor, for instance
     *         YGNSSMK2.latitude.
     *
     * @return a YLatitude object allowing you to drive the latitude sensor.
     */
    static YLatitude*   FindLatitude(string func);

    /**
     * Registers the callback function that is invoked on every change of advertised value.
     * 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 the character string describing
     *         the new advertised value.
     * @noreturn
     */
    virtual int         registerValueCallback(YLatitudeValueCallback 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(YLatitudeTimedReportCallback callback);
    using YSensor::registerTimedReportCallback;

    virtual int         _invokeTimedReportCallback(YMeasure value);


    inline static YLatitude *Find(string func)
    { return YLatitude::FindLatitude(func); }

    /**
     * Continues the enumeration of latitude sensors started using yFirstLatitude().
     * Caution: You can't make any assumption about the returned latitude sensors order.
     * If you want to find a specific a latitude sensor, use Latitude.findLatitude()
     * and a hardwareID or a logical name.
     *
     * @return a pointer to a YLatitude object, corresponding to
     *         a latitude sensor currently online, or a NULL pointer
     *         if there are no more latitude sensors to enumerate.
     */
           YLatitude       *nextLatitude(void);
    inline YLatitude       *next(void)
    { return this->nextLatitude();}

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

//--- (YLatitude functions declaration)

/**
 * Retrieves a latitude sensor for a given identifier.
 * The identifier can be specified using several formats:
 * <ul>
 * <li>FunctionLogicalName</li>
 * <li>ModuleSerialNumber.FunctionIdentifier</li>
 * <li>ModuleSerialNumber.FunctionLogicalName</li>
 * <li>ModuleLogicalName.FunctionIdentifier</li>
 * <li>ModuleLogicalName.FunctionLogicalName</li>
 * </ul>
 *
 * This function does not require that the latitude sensor is online at the time
 * it is invoked. The returned object is nevertheless valid.
 * Use the method isOnline() to test if the latitude sensor is
 * indeed online at a given time. In case of ambiguity when looking for
 * a latitude sensor 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 latitude sensor, for instance
 *         YGNSSMK2.latitude.
 *
 * @return a YLatitude object allowing you to drive the latitude sensor.
 */
inline YLatitude *yFindLatitude(const string& func)
{ return YLatitude::FindLatitude(func);}
/**
 * Starts the enumeration of latitude sensors currently accessible.
 * Use the method YLatitude::nextLatitude() to iterate on
 * next latitude sensors.
 *
 * @return a pointer to a YLatitude object, corresponding to
 *         the first latitude sensor currently online, or a NULL pointer
 *         if there are none.
 */
inline YLatitude *yFirstLatitude(void)
{ return YLatitude::FirstLatitude();}

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

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

#endif
