Diff: MODGPS/GPS_Time.h

Revision:

0:bec310bde899

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MODGPS/GPS_Time.h	Tue Sep 27 19:46:30 2011 +0000
@@ -0,0 +1,85 @@
+/*
+    Copyright (c) 2010 Andy Kirkham
+ 
+    Permission is hereby granted, free of charge, to any person obtaining a copy
+    of this software and associated documentation files (the "Software"), to deal
+    in the Software without restriction, including without limitation the rights
+    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+    copies of the Software, and to permit persons to whom the Software is
+    furnished to do so, subject to the following conditions:
+ 
+    The above copyright notice and this permission notice shall be included in
+    all copies or substantial portions of the Software.
+ 
+    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+    THE SOFTWARE.
+*/
+
+#ifndef GPS_TIME_H
+#define GPS_TIME_H
+
+#include "mbed.h"
+
+/** GPS_Time definition.
+ */
+class GPS_Time {
+public:
+
+    //! The year
+    int  year;      
+    //! The month
+    int  month;     
+    //! The day
+    int  day;       
+    //! The hour
+    int  hour;      
+    //! The minute
+    int  minute;    
+    //! The second
+    int  second;    
+    //! Tenths of a second
+    int  tenths;    
+    //! Hundredths of a second
+    int  hundreths; 
+    //! Time status.
+    char status;    
+    //! The velocity (in knots)
+    double velocity;
+    //! The track (in decimal degrees true)
+    double track;    
+    //! The magnetic variation direction
+    char magvar_dir;
+    //! The magnetic variation value
+    double magvar;
+    
+    GPS_Time();
+    void fractionalReset(void) { tenths = hundreths = 0; }
+    void operator++();
+    void operator++(int);
+    GPS_Time * timeNow(GPS_Time *n);
+    GPS_Time * timeNow(void) { return timeNow(NULL); }
+    void nmea_rmc(char *s);
+    double velocity_knots(void) { return velocity; }
+    double velocity_kph(void) { return (velocity * 1.852); }
+    double velocity_mps(void) { return velocity_kph() / 3600.0; }
+    double velocity_mph(void) { return velocity_kph() / 0.621371192; }
+    double track_over_ground(void) { return track; }
+    double magnetic_variation(void) { return magvar_dir == 'W' ? (magvar * -1.0) : (magvar); }
+    double julian_day_number(GPS_Time *t);
+    double julian_date(GPS_Time *t);
+    double julian_day_number(void) { return julian_day_number(this); }
+    double julian_date(void) { return julian_date(this); }   
+    double siderealDegrees(double jd, double longitude);
+    double siderealDegrees(GPS_Time *t, double longitude);
+    double siderealHA(double jd, double longitude);
+    double siderealHA(GPS_Time *t, double longitude);
+    time_t to_C_tm(bool set = false);
+};
+
+#endif
+