gps.cpp

00001 #include "gps.h"
00002 
00003 
00004 GPS::GPS(PinName tx, PinName rx) : _gps(tx, rx) {
00005     _gps.baud(9600);
00006             
00007 }
00008 
00009 bool GPS::isConnected() {
00010      
00011      return _gps.readable();
00012      
00013     }
00014     
00015 bool GPS::isLocked(){
00016         
00017         return(gpsr.encode(_gps.getc()));
00018         
00019         }
00020         
00021 void GPS::parseNMEA(){
00022     (void)gpsr.crack_datetime(&year, &month, &day, &hour, &minute, &second);
00023      sat_count = gpsr.sat_count(); 
00024      
00025      
00026      (void)gpsr.f_get_position(&f_lat, &f_lon, &age); //fix age in milliseoconds
00027      f_altitude = gpsr.f_altitude(); 
00028      f_course = gpsr.f_course(); //course over ground Magnetic Variation in degrees 
00029      f_hdop = gpsr.f_hdop(); //horizontal dilution of precision
00030      kmph = gpsr.f_speed_kmph();
00031      knots = gpsr.f_speed_knots();
00032      mph = gpsr.f_speed_mph();
00033      mps = gpsr.f_speed_mps();
00034      
00035      
00036      (void)gpsr.get_position(&lat, &lon, &age); //fix age in milliseoconds
00037      altitude = gpsr.altitude(); 
00038      course = gpsr.course(); //course over ground Magnetic Variation in degrees 
00039      hdop = gpsr.hdop(); //horizontal dilution of precision
00040      speed = gpsr.speed(); //speed in 100ths of a knot   
00041 }