GPS-neo-6m
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cristiansteib
GPS Library Arduino, NMEA
GPS Library Arduino 
Using Software Serial library.
Website - More info, and you can leave a comment.
Protocol NMEA
NMEA consists of sentences, the first word of which, called a data type, defines the interpretation of the rest of the sentence. There are many sentences in the NMEA standard for all kinds of devices that may be used in a Marine environment. Someones are this:
- GPRMC (Recommended Minimum data) // (at the moment this is implemented.)
- GPGGA (Global positioning system fix data)
- GPGSA (GNSS DOP and Active Satellites)
- GPGLL (Latitude and longitude, with time of position fix and status)
Tested with
- GPS-NEO-6M
Capabilities of the library
Constructors
They can call the class wih differents parameters as necessary.
| Constructors | Notes |
|---|---|
| Gpsneo() | The class initialize with the default values |
| Gpsneo ( rx ,tx ) | Parameters of the Software Serial Port |
| Gpsneo ( rx, tx, baudrate) | Parameters of the Software Serial Port |
Example of constructors:
Gpsneo gps(); //default parameters
Gpsneo gps(10,11); // set rx and tx pin
Gpsneo gps(10,11,9600); //set rx,tx and baudrate
| Public Methods | Notes |
|---|---|
| getDataGPRMC (parameters) | See below |
| Google (char *link) | Return in *link the complete link for google maps with latitude and longitude |
| convertLatitude (char *latitude) | Convert latitude ddmm.mmmm in dd.dddd |
| convertLongitude (char *destination) | Convert longitude dddmm.mmm in dddd.ddd |
Get data with GPRMC sentence:
-
Return all data of the sentence:
getDataGPRMC (char *time,char * status,char * latitude,char *latitudHemisphere, char * longitude, char * longitudeMeridian,char * speedKnots,char * trackAngle,char * date,char * magneticVaration, char * magneticVarationOrientation)
-
if you don't want all the data, you can use at this way:
getDataGPRMC (char * latitude, char * latitudHemisphere ,char * longitude,char * longitudeMeridian)
-
This methods check the checksum, if the checksum fail, or it can't read the sentence return Null values for all the parameters.
Google function:
This function solve everything to get a link for google maps with the coords. Example:
char link[50];
gps.Google(char * link);
Serial.println(link);
The output will be:
http://www.google.com/maps/place/-34.9139980,-57.9376300
http://www.google.com/maps/place/-34.9140240,-57.9375800
Or if can't read a Lat. and Long the output will be
http://www.google.com/maps/place/-1,-1
cristiansteib