Tyler Weaver / GPS_parser

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Fork of GPS by Tyler Weaver

GPS.h@4:6e2d98b5cb86, 2012-12-12 (annotated)

Committer:
tylerjw
Date:
Wed Dec 12 17:22:45 2012 +0000
Revision:
4:6e2d98b5cb86
Parent:
3:465354a08ff8 
removed serial functions

Who changed what in which revision?

UserRevisionLine numberNew contents of line
tylerjw 0:3611af72bfd7 1 #include "mbed.h"
tylerjw 0:3611af72bfd7 2
tylerjw 0:3611af72bfd7 3 #ifndef MBED_GPS_H
tylerjw 0:3611af72bfd7 4 #define MBED_GPS_H
tylerjw 0:3611af72bfd7 5
tylerjw 0:3611af72bfd7 6 #define NO_LOCK 1
tylerjw 0:3611af72bfd7 7 #define NOT_PARSED 2
tylerjw 0:3611af72bfd7 8 #define GGA 3
tylerjw 0:3611af72bfd7 9 #define GLL 4
tylerjw 0:3611af72bfd7 10 #define RMC 5
tylerjw 0:3611af72bfd7 11 #define VTG 6
tylerjw 0:3611af72bfd7 12
tylerjw 0:3611af72bfd7 13 #define PI (3.141592653589793)
tylerjw 0:3611af72bfd7 14
tylerjw 0:3611af72bfd7 15 /** A GPS interface for reading from a Globalsat EM-406 GPS Module */
tylerjw 0:3611af72bfd7 16 class GPS {
tylerjw 0:3611af72bfd7 17 public:
tylerjw 0:3611af72bfd7 18
tylerjw 0:3611af72bfd7 19 /** Create the GPS interface, connected to the specified serial port
tylerjw 0:3611af72bfd7 20 */
tylerjw 4:6e2d98b5cb86 21 GPS();
tylerjw 0:3611af72bfd7 22
tylerjw 0:3611af72bfd7 23 /** Sample the incoming GPS data, returning whether there is a lock
tylerjw 0:3611af72bfd7 24 *
tylerjw 0:3611af72bfd7 25 * @return 1 if there was a lock when the sample was taken (and therefore .longitude and .latitude are valid), else 0
tylerjw 0:3611af72bfd7 26 */
tylerjw 4:6e2d98b5cb86 27 int sample(char *);
tylerjw 0:3611af72bfd7 28 float get_nmea_longitude();
tylerjw 0:3611af72bfd7 29 float get_nmea_latitude();
tylerjw 0:3611af72bfd7 30 float get_dec_longitude();
tylerjw 0:3611af72bfd7 31 float get_dec_latitude();
tylerjw 0:3611af72bfd7 32 float get_msl_altitude();
tylerjw 0:3611af72bfd7 33 float get_course_t();
tylerjw 0:3611af72bfd7 34 float get_course_m();
tylerjw 0:3611af72bfd7 35 float get_speed_k();
tylerjw 0:3611af72bfd7 36 float get_speed_km();
tylerjw 0:3611af72bfd7 37 int get_satelites();
tylerjw 0:3611af72bfd7 38 float get_altitude_ft();
tylerjw 0:3611af72bfd7 39
tylerjw 0:3611af72bfd7 40 // navigational functions
tylerjw 0:3611af72bfd7 41 float calc_course_to(float, float);
tylerjw 0:3611af72bfd7 42 double calc_dist_to_mi(float, float);
tylerjw 0:3611af72bfd7 43 double calc_dist_to_ft(float, float);
tylerjw 0:3611af72bfd7 44 double calc_dist_to_km(float, float);
tylerjw 0:3611af72bfd7 45 double calc_dist_to_m(float, float);
tylerjw 0:3611af72bfd7 46
tylerjw 0:3611af72bfd7 47 private:
tylerjw 0:3611af72bfd7 48 float nmea_to_dec(float, char);
tylerjw 0:3611af72bfd7 49 float trunc(float v);
tylerjw 0:3611af72bfd7 50
tylerjw 0:3611af72bfd7 51 // calculated values
tylerjw 0:3611af72bfd7 52 float dec_longitude;
tylerjw 0:3611af72bfd7 53 float dec_latitude;
tylerjw 0:3611af72bfd7 54 float altitude_ft;
tylerjw 0:3611af72bfd7 55
tylerjw 0:3611af72bfd7 56 // GGA - Global Positioning System Fixed Data
tylerjw 0:3611af72bfd7 57 float nmea_longitude;
tylerjw 0:3611af72bfd7 58 float nmea_latitude;
tylerjw 0:3611af72bfd7 59 float utc_time;
tylerjw 0:3611af72bfd7 60 char ns, ew;
tylerjw 0:3611af72bfd7 61 int lock;
tylerjw 0:3611af72bfd7 62 int satelites;
tylerjw 0:3611af72bfd7 63 float hdop;
tylerjw 0:3611af72bfd7 64 float msl_altitude;
tylerjw 0:3611af72bfd7 65 char msl_units;
tylerjw 0:3611af72bfd7 66
tylerjw 0:3611af72bfd7 67 // RMC - Recommended Minimmum Specific GNS Data
tylerjw 0:3611af72bfd7 68 char rmc_status;
tylerjw 0:3611af72bfd7 69 float speed_k;
tylerjw 0:3611af72bfd7 70 float course_d;
tylerjw 0:3611af72bfd7 71 int date;
tylerjw 0:3611af72bfd7 72
tylerjw 0:3611af72bfd7 73 // GLL
tylerjw 0:3611af72bfd7 74 char gll_status;
tylerjw 0:3611af72bfd7 75
tylerjw 0:3611af72bfd7 76 // VTG - Course over ground, ground speed
tylerjw 0:3611af72bfd7 77 float course_t; // ground speed true
tylerjw 0:3611af72bfd7 78 char course_t_unit;
tylerjw 0:3611af72bfd7 79 float course_m; // magnetic
tylerjw 0:3611af72bfd7 80 char course_m_unit;
tylerjw 0:3611af72bfd7 81 char speed_k_unit;
tylerjw 0:3611af72bfd7 82 float speed_km; // speek km/hr
tylerjw 0:3611af72bfd7 83 char speed_km_unit;
tylerjw 0:3611af72bfd7 84 };
tylerjw 0:3611af72bfd7 85
tylerjw 0:3611af72bfd7 86 #endif