Jianliang Gao / GPS_C027_C20_U20_G35_revB_SARA_G350

Slight update to sford's GPS library. Returns more data from the NMEA sentence and allows for different serial speeds (e.g. used for the Adafruit Ultimate GPSv3 Breakout Board).

Dependents:   C027_C20_U20_G350_GPS

Fork of GPS by Boris Adryan

Files at this revision

API Documentation at this revision

Revision 3:36c3411086a2, committed 2014-02-22

Comitter:
timrock
Date:
Sat Feb 22 13:27:53 2014 +0000
Parent:
2:1430e56047da
Commit message:
Add a sample programe

Changed in this revision

GPS.cpp Show annotated file Show diff for this revision Revisions of this file 
diff -r 1430e56047da -r 36c3411086a2 GPS.cpp
--- a/GPS.cpp	Sat Feb 22 13:16:16 2014 +0000
+++ b/GPS.cpp	Sat Feb 22 13:27:53 2014 +0000
@@ -1,6 +1,6 @@
 /* mbed GPS Module Library for C027-SARA-G350
  * Copyright (c) 2008-2010, sford
- * Copyright (c) 2014, Jianliang Gao
+ * Copyright (c) 2014, Jianliang Gao  Based on 
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
@@ -55,7 +55,7 @@
                 latitude = degrees + minutes/60.0f;  
                 if(ns == 'S') {    latitude  *= -1.0; }  
                 
-                degrees = trunc(longitude / 100.0f); //  * 0.01f);
+                degrees = trunc(longitude / 100.0f); 
                 minutes = longitude - (degrees * 100.0f);
                 longitude = degrees + minutes / 60.0f;
                 if(ew == 'W') {    longitude *= -1.0; }
@@ -86,4 +86,36 @@
         }
     }
     error("Overflowed message limit");
-}
\ No newline at end of file
+}
+
+/* sample 
+#include "mbed.h"
+#include "GPS.h"
+ 
+Serial pc(USBTX, USBRX);
+GPS gps(P0_10, P0_11, 9600);
+
+int main() {
+    pc.baud(9600);
+    
+    while (1) {
+        wait(3);
+        pc.printf("hello, a test \n");
+        gps.sample();
+        pc.printf("GPS Sats number is %d \n", gps.sats);
+
+        if (gps.ns == 'S')
+           pc.printf("GPS Latitude = %.4f South;  ", gps.latitude * -1.0);
+        else if (gps.ns == 'N')
+           pc.printf("GPS Latitude = %.4f North;  ", gps.latitude);
+        if (gps.ew == 'W')
+           pc.printf("Longitude = %.4f  West;  ", gps.longitude * - 1.0);
+        else if (gps.ew == 'E')  
+           pc.printf("Longitude = %.4f  East;  ", gps.longitude);
+        pc.printf("Alt = %.4f ", gps.alt);
+
+        }
+        
+ 
+}
+*/  //Enjoy it!
\ No newline at end of file