/********************************************************************* * * $Id: yocto_groundspeed.h 59978 2024-03-18 15:04:46Z mvuilleu $ * * Declares yFindGroundSpeed(), the high-level API for GroundSpeed functions * * - - - - - - - - - License information: - - - - - - - - - * * Copyright (C) 2011 and beyond by Yoctopuce Sarl, Switzerland. * * Yoctopuce Sarl (hereafter Licensor) grants to you a perpetual * non-exclusive license to use, modify, copy and integrate this * file into your software for the sole purpose of interfacing * with Yoctopuce products. * * You may reproduce and distribute copies of this file in * 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. * * You should refer to Yoctopuce General Terms and Conditions * for additional information regarding your rights and * obligations. * * THE SOFTWARE AND DOCUMENTATION ARE PROVIDED 'AS IS' WITHOUT * WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING * WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY, FITNESS * FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO * EVENT SHALL LICENSOR BE LIABLE FOR ANY INCIDENTAL, SPECIAL, * INDIRECT OR CONSEQUENTIAL DAMAGES, LOST PROFITS OR LOST DATA, * COST OF PROCUREMENT OF SUBSTITUTE GOODS, TECHNOLOGY OR * SERVICES, ANY CLAIMS BY THIRD PARTIES (INCLUDING BUT NOT * LIMITED TO ANY DEFENSE THEREOF), ANY CLAIMS FOR INDEMNITY OR * CONTRIBUTION, OR OTHER SIMILAR COSTS, WHETHER ASSERTED ON THE * BASIS OF CONTRACT, TORT (INCLUDING NEGLIGENCE), BREACH OF * WARRANTY, OR OTHERWISE. * *********************************************************************/ #ifndef YOCTO_GROUNDSPEED_H #define YOCTO_GROUNDSPEED_H #include #include #include "yocto_api.h" #ifdef YOCTOLIB_NAMESPACE namespace YOCTOLIB_NAMESPACE { #endif //--- (YGroundSpeed return codes) //--- (end of YGroundSpeed return codes) //--- (YGroundSpeed yapiwrapper) //--- (end of YGroundSpeed yapiwrapper) //--- (YGroundSpeed definitions) class YGroundSpeed; // forward declaration typedef void (*YGroundSpeedValueCallback)(YGroundSpeed *func, const string& functionValue); class YMeasure; // forward declaration typedef void (*YGroundSpeedTimedReportCallback)(YGroundSpeed *func, YMeasure measure); //--- (end of YGroundSpeed definitions) //--- (YGroundSpeed declaration) /** * YGroundSpeed Class: ground speed sensor control interface, available for instance in the Yocto-GPS-V2 * * The YGroundSpeed class allows you to read and configure Yoctopuce ground speed 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 YGroundSpeed: public YSensor { #ifdef __BORLANDC__ #pragma option push -w-8022 #endif //--- (end of YGroundSpeed declaration) protected: //--- (YGroundSpeed attributes) // Attributes (function value cache) YGroundSpeedValueCallback _valueCallbackGroundSpeed; YGroundSpeedTimedReportCallback _timedReportCallbackGroundSpeed; friend YGroundSpeed *yFindGroundSpeed(const string& func); friend YGroundSpeed *yFirstGroundSpeed(void); // Constructor is protected, use yFindGroundSpeed factory function to instantiate YGroundSpeed(const string& func); //--- (end of YGroundSpeed attributes) public: virtual ~YGroundSpeed(); //--- (YGroundSpeed accessors declaration) /** * Retrieves a ground speed sensor 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 ground speed sensor is online at the time * it is invoked. The returned object is nevertheless valid. * Use the method isOnline() to test if the ground speed sensor is * indeed online at a given time. In case of ambiguity when looking for * a ground speed 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 ground speed sensor, for instance * YGNSSMK2.groundSpeed. * * @return a YGroundSpeed object allowing you to drive the ground speed sensor. */ static YGroundSpeed* FindGroundSpeed(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(YGroundSpeedValueCallback 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(YGroundSpeedTimedReportCallback callback); using YSensor::registerTimedReportCallback; virtual int _invokeTimedReportCallback(YMeasure value); inline static YGroundSpeed *Find(string func) { return YGroundSpeed::FindGroundSpeed(func); } /** * Continues the enumeration of ground speed sensors started using yFirstGroundSpeed(). * Caution: You can't make any assumption about the returned ground speed sensors order. * If you want to find a specific a ground speed sensor, use GroundSpeed.findGroundSpeed() * and a hardwareID or a logical name. * * @return a pointer to a YGroundSpeed object, corresponding to * a ground speed sensor currently online, or a NULL pointer * if there are no more ground speed sensors to enumerate. */ YGroundSpeed *nextGroundSpeed(void); inline YGroundSpeed *next(void) { return this->nextGroundSpeed();} /** * Starts the enumeration of ground speed sensors currently accessible. * Use the method YGroundSpeed::nextGroundSpeed() to iterate on * next ground speed sensors. * * @return a pointer to a YGroundSpeed object, corresponding to * the first ground speed sensor currently online, or a NULL pointer * if there are none. */ static YGroundSpeed *FirstGroundSpeed(void); inline static YGroundSpeed *First(void) { return YGroundSpeed::FirstGroundSpeed();} #ifdef __BORLANDC__ #pragma option pop #endif //--- (end of YGroundSpeed accessors declaration) }; //--- (YGroundSpeed functions declaration) /** * Retrieves a ground speed sensor 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 ground speed sensor is online at the time * it is invoked. The returned object is nevertheless valid. * Use the method isOnline() to test if the ground speed sensor is * indeed online at a given time. In case of ambiguity when looking for * a ground speed 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 ground speed sensor, for instance * YGNSSMK2.groundSpeed. * * @return a YGroundSpeed object allowing you to drive the ground speed sensor. */ inline YGroundSpeed *yFindGroundSpeed(const string& func) { return YGroundSpeed::FindGroundSpeed(func);} /** * Starts the enumeration of ground speed sensors currently accessible. * Use the method YGroundSpeed::nextGroundSpeed() to iterate on * next ground speed sensors. * * @return a pointer to a YGroundSpeed object, corresponding to * the first ground speed sensor currently online, or a NULL pointer * if there are none. */ inline YGroundSpeed *yFirstGroundSpeed(void) { return YGroundSpeed::FirstGroundSpeed();} //--- (end of YGroundSpeed functions declaration) #ifdef YOCTOLIB_NAMESPACE // end of namespace definition } #endif #endif