Diff: main.cpp

Revision:

0:42cb15551bf3

Child:

1:0701bf58c9fa

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Apr 19 00:45:31 2017 +0000
@@ -0,0 +1,57 @@
+#include "mbed.h"
+#include "MBed_Adafruit_GPS.h"
+#include "math.h"
+Serial * gps_Serial;
+Serial pc (USBTX, USBRX); //Set-up for debugging
+
+//Take degree, minute,seconds (DMS) from GPS and convert to decimal degrees (DD) for Pubnub
+float dms_convert(float dms)
+{
+    float sec, min, deg, dd;
+    sec = (dms*100)-(floor(dms)*100);
+    deg = floor(dms/100);
+    min = floor(dms)-(deg*100);
+    dd = deg +((min+(sec/60))/60);
+    return dd;
+}
+
+int main()
+{
+    pc.baud(115200); //Set PC baud rate
+    gps_Serial = new Serial(p9,p10);
+    Adafruit_GPS myGPS(gps_Serial); //object of Adafruit's GPS class
+    Timer refresh_Timer; //Timer for updated GPS information
+    const int refresh_Time = 2000; //refresh time in ms
+
+
+    //Initialization Commands for Adafruit_GPS
+    myGPS.begin(9600);  //sets baud rate for GPS communication;
+    myGPS.sendCommand(PMTK_SET_NMEA_OUTPUT_RMCGGA);
+    myGPS.sendCommand(PMTK_SET_NMEA_UPDATE_1HZ);
+    myGPS.sendCommand(PGCMD_ANTENNA);
+    float publat;
+    float publong;
+
+    pc.printf("Connection established at 115200 baud...\r\n");
+    wait(1);
+    refresh_Timer.start();  //starts the clock on the timer
+    while(true) {
+        myGPS.read();   //queries the GPS
+        //If GPS has data, parse it
+        if ( myGPS.newNMEAreceived() ) {
+            if ( !myGPS.parse(myGPS.lastNMEA()) ) {
+                continue;
+            }
+        }
+
+        //check if enough time has passed to warrant sending new GPS data
+        if (refresh_Timer.read_ms() >= refresh_Time) {
+            refresh_Timer.reset();
+            if (myGPS.fix) {
+                publat = dms_convert(myGPS.latitude);
+                publong = dms_convert(myGPS.longitude);
+                pc.printf("DMS Lat: %f, DD Lat: %f\r\nDMS Long:%f, DD Long: %f\r\n", myGPS.latitude, publat, myGPS.longitude, publong);
+            } else pc.printf("No Satelite Fix\r\n");
+        }
+    }
+}
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