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Dependencies: SoftSerial MAX14690 Buffer
Fork of rtos_threading_with_callback by
GPS/GPS.h@3:d7ec6dc025b0, 2018-03-30 (annotated)
- Committer:
- lwehmeier
- Date:
- Fri Mar 30 10:32:10 2018 +0000
- Revision:
- 3:d7ec6dc025b0
implemented basic GPS read support, freed serial connection for uart jpg camera module
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
lwehmeier | 3:d7ec6dc025b0 | 1 | #include "mbed.h" |
lwehmeier | 3:d7ec6dc025b0 | 2 | #include "BufferedSerial.h" |
lwehmeier | 3:d7ec6dc025b0 | 3 | #ifndef MBED_GPS_H |
lwehmeier | 3:d7ec6dc025b0 | 4 | #define MBED_GPS_H |
lwehmeier | 3:d7ec6dc025b0 | 5 | |
lwehmeier | 3:d7ec6dc025b0 | 6 | #define NO_LOCK 1 |
lwehmeier | 3:d7ec6dc025b0 | 7 | #define NOT_PARSED 2 |
lwehmeier | 3:d7ec6dc025b0 | 8 | #define GGA 3 |
lwehmeier | 3:d7ec6dc025b0 | 9 | #define GLL 4 |
lwehmeier | 3:d7ec6dc025b0 | 10 | #define RMC 5 |
lwehmeier | 3:d7ec6dc025b0 | 11 | #define VTG 6 |
lwehmeier | 3:d7ec6dc025b0 | 12 | |
lwehmeier | 3:d7ec6dc025b0 | 13 | #define PI (3.141592653589793) |
lwehmeier | 3:d7ec6dc025b0 | 14 | |
lwehmeier | 3:d7ec6dc025b0 | 15 | /** A GPS interface for reading from a Globalsat EM-406 GPS Module */ |
lwehmeier | 3:d7ec6dc025b0 | 16 | class GPS { |
lwehmeier | 3:d7ec6dc025b0 | 17 | public: |
lwehmeier | 3:d7ec6dc025b0 | 18 | |
lwehmeier | 3:d7ec6dc025b0 | 19 | /** Create the GPS interface, connected to the specified serial port |
lwehmeier | 3:d7ec6dc025b0 | 20 | */ |
lwehmeier | 3:d7ec6dc025b0 | 21 | GPS(PinName tx, PinName rx); |
lwehmeier | 3:d7ec6dc025b0 | 22 | |
lwehmeier | 3:d7ec6dc025b0 | 23 | /** Sample the incoming GPS data, returning whether there is a lock |
lwehmeier | 3:d7ec6dc025b0 | 24 | * |
lwehmeier | 3:d7ec6dc025b0 | 25 | * @return 1 if there was a lock when the sample was taken (and therefore .longitude and .latitude are valid), else 0 |
lwehmeier | 3:d7ec6dc025b0 | 26 | */ |
lwehmeier | 3:d7ec6dc025b0 | 27 | int sample(); |
lwehmeier | 3:d7ec6dc025b0 | 28 | float get_nmea_longitude(); |
lwehmeier | 3:d7ec6dc025b0 | 29 | float get_nmea_latitude(); |
lwehmeier | 3:d7ec6dc025b0 | 30 | float get_dec_longitude(); |
lwehmeier | 3:d7ec6dc025b0 | 31 | float get_dec_latitude(); |
lwehmeier | 3:d7ec6dc025b0 | 32 | float get_msl_altitude(); |
lwehmeier | 3:d7ec6dc025b0 | 33 | float get_course_t(); |
lwehmeier | 3:d7ec6dc025b0 | 34 | float get_course_m(); |
lwehmeier | 3:d7ec6dc025b0 | 35 | float get_speed_k(); |
lwehmeier | 3:d7ec6dc025b0 | 36 | float get_speed_km(); |
lwehmeier | 3:d7ec6dc025b0 | 37 | int get_satelites(); |
lwehmeier | 3:d7ec6dc025b0 | 38 | float get_altitude_ft(); |
lwehmeier | 3:d7ec6dc025b0 | 39 | |
lwehmeier | 3:d7ec6dc025b0 | 40 | // navigational functions |
lwehmeier | 3:d7ec6dc025b0 | 41 | float calc_course_to(float, float); |
lwehmeier | 3:d7ec6dc025b0 | 42 | double calc_dist_to_mi(float, float); |
lwehmeier | 3:d7ec6dc025b0 | 43 | double calc_dist_to_ft(float, float); |
lwehmeier | 3:d7ec6dc025b0 | 44 | double calc_dist_to_km(float, float); |
lwehmeier | 3:d7ec6dc025b0 | 45 | double calc_dist_to_m(float, float); |
lwehmeier | 3:d7ec6dc025b0 | 46 | |
lwehmeier | 3:d7ec6dc025b0 | 47 | void onInterrupt(){ |
lwehmeier | 3:d7ec6dc025b0 | 48 | printf("%d\r\n", _gps.readable()); |
lwehmeier | 3:d7ec6dc025b0 | 49 | } |
lwehmeier | 3:d7ec6dc025b0 | 50 | #ifdef OPEN_LOG |
lwehmeier | 3:d7ec6dc025b0 | 51 | void start_log(void); |
lwehmeier | 3:d7ec6dc025b0 | 52 | void new_file(void); |
lwehmeier | 3:d7ec6dc025b0 | 53 | void stop_log(void); |
lwehmeier | 3:d7ec6dc025b0 | 54 | #endif |
lwehmeier | 3:d7ec6dc025b0 | 55 | |
lwehmeier | 3:d7ec6dc025b0 | 56 | private: |
lwehmeier | 3:d7ec6dc025b0 | 57 | float nmea_to_dec(float, char); |
lwehmeier | 3:d7ec6dc025b0 | 58 | float trunc(float v); |
lwehmeier | 3:d7ec6dc025b0 | 59 | void getline(); |
lwehmeier | 3:d7ec6dc025b0 | 60 | void format_for_log(void); |
lwehmeier | 3:d7ec6dc025b0 | 61 | |
lwehmeier | 3:d7ec6dc025b0 | 62 | BufferedSerial _gps; |
lwehmeier | 3:d7ec6dc025b0 | 63 | char msg[1024]; |
lwehmeier | 3:d7ec6dc025b0 | 64 | char bfr[1030]; |
lwehmeier | 3:d7ec6dc025b0 | 65 | bool is_logging; |
lwehmeier | 3:d7ec6dc025b0 | 66 | #ifdef OPEN_LOG |
lwehmeier | 3:d7ec6dc025b0 | 67 | Logger _openLog; |
lwehmeier | 3:d7ec6dc025b0 | 68 | #endif |
lwehmeier | 3:d7ec6dc025b0 | 69 | // calculated values |
lwehmeier | 3:d7ec6dc025b0 | 70 | float dec_longitude; |
lwehmeier | 3:d7ec6dc025b0 | 71 | float dec_latitude; |
lwehmeier | 3:d7ec6dc025b0 | 72 | float altitude_ft; |
lwehmeier | 3:d7ec6dc025b0 | 73 | |
lwehmeier | 3:d7ec6dc025b0 | 74 | // GGA - Global Positioning System Fixed Data |
lwehmeier | 3:d7ec6dc025b0 | 75 | float nmea_longitude; |
lwehmeier | 3:d7ec6dc025b0 | 76 | float nmea_latitude; |
lwehmeier | 3:d7ec6dc025b0 | 77 | float utc_time; |
lwehmeier | 3:d7ec6dc025b0 | 78 | char ns, ew; |
lwehmeier | 3:d7ec6dc025b0 | 79 | int lock; |
lwehmeier | 3:d7ec6dc025b0 | 80 | int satelites; |
lwehmeier | 3:d7ec6dc025b0 | 81 | float hdop; |
lwehmeier | 3:d7ec6dc025b0 | 82 | float msl_altitude; |
lwehmeier | 3:d7ec6dc025b0 | 83 | char msl_units; |
lwehmeier | 3:d7ec6dc025b0 | 84 | |
lwehmeier | 3:d7ec6dc025b0 | 85 | // RMC - Recommended Minimmum Specific GNS Data |
lwehmeier | 3:d7ec6dc025b0 | 86 | char rmc_status; |
lwehmeier | 3:d7ec6dc025b0 | 87 | float speed_k; |
lwehmeier | 3:d7ec6dc025b0 | 88 | float course_d; |
lwehmeier | 3:d7ec6dc025b0 | 89 | int date; |
lwehmeier | 3:d7ec6dc025b0 | 90 | |
lwehmeier | 3:d7ec6dc025b0 | 91 | // GLL |
lwehmeier | 3:d7ec6dc025b0 | 92 | char gll_status; |
lwehmeier | 3:d7ec6dc025b0 | 93 | |
lwehmeier | 3:d7ec6dc025b0 | 94 | // VTG - Course over ground, ground speed |
lwehmeier | 3:d7ec6dc025b0 | 95 | float course_t; // ground speed true |
lwehmeier | 3:d7ec6dc025b0 | 96 | char course_t_unit; |
lwehmeier | 3:d7ec6dc025b0 | 97 | float course_m; // magnetic |
lwehmeier | 3:d7ec6dc025b0 | 98 | char course_m_unit; |
lwehmeier | 3:d7ec6dc025b0 | 99 | char speed_k_unit; |
lwehmeier | 3:d7ec6dc025b0 | 100 | float speed_km; // speek km/hr |
lwehmeier | 3:d7ec6dc025b0 | 101 | char speed_km_unit; |
lwehmeier | 3:d7ec6dc025b0 | 102 | }; |
lwehmeier | 3:d7ec6dc025b0 | 103 | |
lwehmeier | 3:d7ec6dc025b0 | 104 | #endif |