Andy K / MODGPS

Allows for a GPS module to be connected to a serial port and exposes an easy to use API to get the GPS data. New feature, added Mbed/LPC17xx RTC synchronisation

Dependents:   SatGPS AntiTheftGPS FLIGHT_CONTROL_AND_COMMUNICATIONS_SYSTEM GPS-Lora ... more

GPS_Time.h@6:64771e31464e, 2011-04-21 (annotated)

Committer:
AjK
Date:
Thu Apr 21 14:06:17 2011 +0000
Revision:
6:64771e31464e
Parent:
5:7f130f85d5a4 
1.16 See ChangeLog.c

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AjK 0:db98027c0bbb 1 /*
AjK 0:db98027c0bbb 2 Copyright (c) 2010 Andy Kirkham
AjK 0:db98027c0bbb 3
AjK 0:db98027c0bbb 4 Permission is hereby granted, free of charge, to any person obtaining a copy
AjK 0:db98027c0bbb 5 of this software and associated documentation files (the "Software"), to deal
AjK 0:db98027c0bbb 6 in the Software without restriction, including without limitation the rights
AjK 0:db98027c0bbb 7 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
AjK 0:db98027c0bbb 8 copies of the Software, and to permit persons to whom the Software is
AjK 0:db98027c0bbb 9 furnished to do so, subject to the following conditions:
AjK 0:db98027c0bbb 10
AjK 0:db98027c0bbb 11 The above copyright notice and this permission notice shall be included in
AjK 0:db98027c0bbb 12 all copies or substantial portions of the Software.
AjK 0:db98027c0bbb 13
AjK 0:db98027c0bbb 14 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
AjK 0:db98027c0bbb 15 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
AjK 0:db98027c0bbb 16 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AjK 0:db98027c0bbb 17 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
AjK 0:db98027c0bbb 18 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
AjK 0:db98027c0bbb 19 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
AjK 0:db98027c0bbb 20 THE SOFTWARE.
AjK 0:db98027c0bbb 21 */
AjK 0:db98027c0bbb 22
AjK 0:db98027c0bbb 23 #ifndef GPS_TIME_H
AjK 0:db98027c0bbb 24 #define GPS_TIME_H
AjK 0:db98027c0bbb 25
AjK 0:db98027c0bbb 26 #include "mbed.h"
AjK 0:db98027c0bbb 27
AjK 0:db98027c0bbb 28 /** GPS_Time definition.
AjK 0:db98027c0bbb 29 */
AjK 0:db98027c0bbb 30 class GPS_Time {
AjK 0:db98027c0bbb 31 public:
AjK 0:db98027c0bbb 32
AjK 0:db98027c0bbb 33 //! The year
AjK 0:db98027c0bbb 34 int year;
AjK 0:db98027c0bbb 35 //! The month
AjK 0:db98027c0bbb 36 int month;
AjK 0:db98027c0bbb 37 //! The day
AjK 0:db98027c0bbb 38 int day;
AjK 0:db98027c0bbb 39 //! The hour
AjK 0:db98027c0bbb 40 int hour;
AjK 0:db98027c0bbb 41 //! The minute
AjK 0:db98027c0bbb 42 int minute;
AjK 0:db98027c0bbb 43 //! The second
AjK 0:db98027c0bbb 44 int second;
AjK 0:db98027c0bbb 45 //! Tenths of a second
AjK 0:db98027c0bbb 46 int tenths;
AjK 0:db98027c0bbb 47 //! Hundredths of a second
AjK 0:db98027c0bbb 48 int hundreths;
AjK 0:db98027c0bbb 49 //! Time status.
AjK 0:db98027c0bbb 50 char status;
AjK 2:8aa059e7d8b1 51 //! The velocity (in knots)
AjK 2:8aa059e7d8b1 52 double velocity;
AjK 2:8aa059e7d8b1 53 //! The track (in decimal degrees true)
AjK 2:8aa059e7d8b1 54 double track;
AjK 2:8aa059e7d8b1 55 //! The magnetic variation direction
AjK 2:8aa059e7d8b1 56 char magvar_dir;
AjK 2:8aa059e7d8b1 57 //! The magnetic variation value
AjK 2:8aa059e7d8b1 58 double magvar;
AjK 0:db98027c0bbb 59
AjK 0:db98027c0bbb 60 GPS_Time();
AjK 0:db98027c0bbb 61 void fractionalReset(void) { tenths = hundreths = 0; }
AjK 0:db98027c0bbb 62 void operator++();
AjK 0:db98027c0bbb 63 void operator++(int);
AjK 0:db98027c0bbb 64 GPS_Time * timeNow(GPS_Time *n);
AjK 0:db98027c0bbb 65 GPS_Time * timeNow(void) { return timeNow(NULL); }
AjK 0:db98027c0bbb 66 void nmea_rmc(char *s);
AjK 2:8aa059e7d8b1 67 double velocity_knots(void) { return velocity; }
AjK 2:8aa059e7d8b1 68 double velocity_kph(void) { return (velocity * 1.852); }
AjK 2:8aa059e7d8b1 69 double velocity_mps(void) { return velocity_kph() / 3600.0; }
AjK 2:8aa059e7d8b1 70 double velocity_mph(void) { return velocity_kph() / 0.621371192; }
AjK 2:8aa059e7d8b1 71 double track_over_ground(void) { return track; }
AjK 2:8aa059e7d8b1 72 double magnetic_variation(void) { return magvar_dir == 'W' ? (magvar * -1.0) : (magvar); }
AjK 0:db98027c0bbb 73 double julian_day_number(GPS_Time *t);
AjK 0:db98027c0bbb 74 double julian_date(GPS_Time *t);
AjK 0:db98027c0bbb 75 double julian_day_number(void) { return julian_day_number(this); }
AjK 0:db98027c0bbb 76 double julian_date(void) { return julian_date(this); }
AjK 0:db98027c0bbb 77 double siderealDegrees(double jd, double longitude);
AjK 0:db98027c0bbb 78 double siderealDegrees(GPS_Time *t, double longitude);
AjK 0:db98027c0bbb 79 double siderealHA(double jd, double longitude);
AjK 0:db98027c0bbb 80 double siderealHA(GPS_Time *t, double longitude);
AjK 5:7f130f85d5a4 81 time_t to_C_tm(bool set = false);
AjK 0:db98027c0bbb 82 };
AjK 0:db98027c0bbb 83
AjK 0:db98027c0bbb 84 #endif
AjK 0:db98027c0bbb 85