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29 lines
1.3 KiB
29 lines
1.3 KiB
// -*- 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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{ |
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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) { |
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bool updated = _updated; |
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_updated = false; |
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return _updated |
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}; |
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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>)
///
#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:
bool _updated; ///< set anytime a member is updated, cleared when read() returns true
};
#endif // AP_GPS_HIL_H
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