Calcula bien la latitud y la longitud teniendo en cuenta los conversión de grados, minutos y segundos a grados decimales.

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Revision:
2:8d7c7165ffe2
Parent:
1:df8295aa2b2b
Child:
3:7f621626d7e9
```diff -r df8295aa2b2b -r 8d7c7165ffe2 GPS.cpp
--- a/GPS.cpp	Mon Oct 20 05:39:22 2014 +0000
+++ b/GPS.cpp	Mon Apr 27 02:08:24 2015 +0000
@@ -35,28 +35,31 @@

while(1) {
getline();
-
+      //\$GPGGA,123519,4807.038,N,01131.000,E,1,08,0.9,545.4,M,46.9,M,,*47
// Check if it is a GPGGA msg (matches both locked and non-locked msg)
if(sscanf(msg, "GPGGA,%f,%f,%c,%f,%c,%d", &time, &latitude, &ns, &longitude, &ew, &lock) >= 1) {
-            if(!lock) {
+            if(!lock) {   //si lock es 1  hay lecturas ok
longitude = 0.0;
latitude = 0.0;
return 0;
-            } else {
+            }
+                else {
if(ns == 'S') {    latitude  *= -1.0; }
if(ew == 'W') {    longitude *= -1.0; }
-                float degrees = trunc(latitude / 100.0f);
-                float minutes = latitude - (degrees * 100.0f);
-                latitude = degrees + minutes / 60.0f;
-                degrees = trunc(longitude / 100.0f * 0.01f);
-                minutes = longitude - (degrees * 100.0f);
-                longitude = degrees + minutes / 60.0f;
+                latitude = (latitude / 100.0f);
+                //float minutes = latitude - (degrees * 100.0f);
+                //latitude = degrees + minutes / 60.0f;
+                longitude = (longitude / 100.0f);
+                //minutes = longitude - (degrees * 100.0f);
+                //longitude = degrees + minutes / 60.0f;
+
return 1;
}
}
}
}

+/*
float GPS::trunc(float v) {
if(v < 0.0) {
v*= -1.0;
@@ -67,7 +70,7 @@
}
return v;
}
-
+*/
void GPS::getline() {
while(_gps.getc() != '\$');    // wait for the start of a line
for(int i=0; i<256; i++) {
```