mirror of
https://github.com/ArduPilot/ardupilot
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30 lines
1.3 KiB
C
30 lines
1.3 KiB
C
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// -*- tab-width: 4; Mode: C++; c-basic-offset: 4; indent-tabs-mode: t -*-
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//
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// Shim GPS driver, for use when the actual GPS data is coming from somewhere else.
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// Code by Mike Smith
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//
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// This library is free software; you can redistribute it and / or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2.1 of the License, or (at your option) any later version.
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//
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//
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#ifndef AP_GPS_Shim_h
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#define AP_GPS_Shim_h
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#include <GPS.h>
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class AP_GPS_Shim : public GPS
{
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public:
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AP_GPS_Shim() : GPS(NULL) {}
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virtual void init(void) {};
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virtual bool read(void) {
bool updated = _updated;
_updated = false;
return _updated
};
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/// Set-and-mark-updated macro for the public member variables; each instance
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/// defines a member function set_<variable>(<type>)
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///
#define __GPS_SHIM_SET(__name) void set_##__name(typeof(GPS::__name) v) { __name = v; _updated = true; }
__GPS_SHIM_SET(time);
__GPS_SHIM_SET(latitude);
__GPS_SHIM_SET(longitude);
__GPS_SHIM_SET(altitude);
__GPS_SHIM_SET(ground_speed);
__GPS_SHIM_SET(ground_course);
__GPS_SHIM_SET(speed_3d);
__GPS_SHIM_SET(hdop);
#undef __GPS_SHIM_SET
private:
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bool _updated; ///< set anytime a member is updated, cleared when read() returns true
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};
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#endif // AP_GPS_HIL_H
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