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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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#ifndef GPS_TIME_H
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#define GPS_TIME_H
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#include "mbed.h"
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/** GPS_Time definition.
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*/
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class GPS_Time {
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public:
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//! The year
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int year;
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//! The month
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int month;
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//! The day
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int day;
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//! The hour
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int hour;
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//! The minute
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int minute;
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//! The second
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int second;
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//! Tenths of a second
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int tenths;
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//! Hundredths of a second
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int hundreths;
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//! Time status.
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char status;
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//! The velocity (in knots)
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double velocity;
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//! The track (in decimal degrees true)
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double track;
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//! The magnetic variation direction
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char magvar_dir;
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//! The magnetic variation value
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double magvar;
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GPS_Time();
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void fractionalReset(void) { tenths = hundreths = 0; }
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void operator++();
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void operator++(int);
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GPS_Time * timeNow(GPS_Time *n);
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GPS_Time * timeNow(void) { return timeNow(NULL); }
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void nmea_rmc(char *s);
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double velocity_knots(void) { return velocity; }
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double velocity_kph(void) { return (velocity * 1.852); }
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double velocity_mps(void) { return velocity_kph() / 3600.0; }
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double velocity_mph(void) { return velocity_kph() / 0.621371192; }
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double track_over_ground(void) { return track; }
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double magnetic_variation(void) { return magvar_dir == 'W' ? (magvar * -1.0) : (magvar); }
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double julian_day_number(GPS_Time *t);
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double julian_date(GPS_Time *t);
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double julian_day_number(void) { return julian_day_number(this); }
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double julian_date(void) { return julian_date(this); }
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double siderealDegrees(double jd, double longitude);
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double siderealDegrees(GPS_Time *t, double longitude);
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double siderealHA(double jd, double longitude);
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double siderealHA(GPS_Time *t, double longitude);
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time_t to_C_tm(bool set = false);
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};
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#endif
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Joost Tromp