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/*
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Copyright (c) 2010 Andy Kirkham
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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#include "GPS_VTG.h"
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#include <math.h>
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GPS_VTG::GPS_VTG()
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{
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_velocity_knots = 0;
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_velocity_kph = 0;
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_track_true = 0;
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_track_mag = 0;
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}
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GPS_VTG *
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GPS_VTG::vtg(GPS_VTG *n)
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{
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if (n == NULL) n = new GPS_VTG;
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n->_velocity_knots = _velocity_knots;
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n->_velocity_kph = _velocity_kph;
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n->_track_true = _track_true;
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n->_track_mag = _track_mag;
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return n;
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}
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void
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GPS_VTG::nmea_vtg(char *s)
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{
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char *token;
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int token_counter = 0;
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char *vel_knots = (char *)NULL;
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char *vel_kph = (char *)NULL;
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char *trk_t = (char *)NULL;
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char *trk_m = (char *)NULL;
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token = strtok(s, ",");
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while (token) {
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switch (token_counter) {
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case 5: vel_knots = token; break;
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case 7: vel_kph = token; break;
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case 1: trk_t = token; break;
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case 3: trk_m = token; break;
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}
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token = strtok((char *)NULL, ",");
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token_counter++;
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}
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if (trk_t) { _track_true = atof(trk_t); }
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if (trk_m) { _track_mag = atof(trk_m); }
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if (vel_knots) { _velocity_knots = atof(vel_knots); }
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if (vel_kph) { _velocity_kph = atof(vel_kph); }
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}
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Willem Melching