Sam Clarke / GPS

A basic library for the Adafruit Ultimate GPS module. (MTK3339) http://www.adafruit.com/products/746

Dependents:   GPS-GPRS_Tracker Plan13

GPS.h@5:96d5736d9613, 2014-01-19 (annotated)

Committer:
SamClarke
Date:
Sun Jan 19 08:47:38 2014 +0000
Revision:
5:96d5736d9613
Parent:
4:9ac674d05370 

        

        
Who changed what in which revision?

        

            
                
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/******************************************************





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* A basic mbed library for the Adafruit ultimate      *





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* GPS module NOTE: the LOCUS functions are yet to be  *





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* implemented                                         *





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*                                                     *





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*                              Written by: Sam Clarke *





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******************************************************/





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#include "mbed.h"





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#include <string>





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#ifndef GPS_H





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#define GPS_H





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// EXAMPLE OUTPUTS





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//





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// $GPRMC,064951.000,A,2307.1256,N,12016.4438,E,0.03,165.48,260406,3.05,W,A*2C





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// $GPRMC, time, status, latitude, N/S, longitude, E/W, speed(knots), heading, date, N/A, N/A, MODE*CHECKSUM





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//





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// $GPGGA,064951.000,2307.1256,N,12016.4438,E,1,8,0.95,39.9,M,17.8,M,,*65





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// $GPGGA, time, latitude, N/S, longitude, E/W, fix, satellites, hdop, altitude, M, geoidal sep , M,,*CHECKSUM





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// $GPGGA, %f, %*f, %*c, %*f, %*c, %d, %d, %*f, %*f, %*c, %*f , %*c,,%*c%*c%*c0





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class GPS





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{





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public:





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    GPS(PinName tx, PinName rx);





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    void Init();





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    int parseData();





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    float time;         // UTC time





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    int hours;





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    int minutes;





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    float seconds;





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    char validity,ns,ew;// RMC data status A = Data Valid; V = Data Not valid;





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    float latitude;     //





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    float longitude;    //





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    float speed;        // speed in knots





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    float heading;      // heading in degrees derived from previous & current location





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    string date;           //





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    int day;





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    int month;





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    int year;





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    int fixtype;        // 0 = no fix;  1 = fix;  2=differential fix





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    int satellites;     // number of satellites used





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    float altitude;     //





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    string fix; 





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    string cardinal;





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    float kph;





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private:





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    float trunc ( float v);





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    void getData();





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    Serial _UltimateGps;





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    char NEMA[256];





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};





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#endif





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/*





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#define 1HZ_STREAM  "$PMTK220,1000*1F\r\n"  // 1.0 second interval





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#define 5HZ_STREAM  "$PMTK220,200*2C\r\n"   // 0.2 second interval





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#define 10HZ_STREAM "$PMTK220,100*2F\r\n"   // 0.1 second interval





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#define OUTPUT_RMC    "$PMTK314,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0*29\r\n"





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#define OUTPUT_RMCGGA "$PMTK314,0,1,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0*28\r\n"





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#define OUTPUT_OFF    "$PMTK314,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0*28\r\n"





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*/