Init repo

1 files changed, 53 insertions, 0 deletions

diff --git a/GEOLOC/lib/gps.h b/GEOLOC/lib/gps.h
new file mode 100644
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--- /dev/null
+++ b/GEOLOC/lib/gps.h
@@ -0,0 +1,53 @@
+#ifndef gps_h
+#define gps_h
+
+/**
+ * Define NMEA frame types
+ */
+typedef enum NMEA_TYPE NMEA_TYPE;
+enum NMEA_TYPE { GGA=125,NONE }; // TODO : other frame type
+
+/**
+ * Define compass N,S,E,W
+ */
+typedef enum COMPASS COMPASS;
+enum COMPASS { NORTH=78, SOUTH=83, EAST=69, WEST=87};
+
+/**
+ * Define GPS state
+ */
+typedef enum GPS_STATE GPS_STATE;
+enum GPS_STATE { FIXED_GPS=1, FIXED_DGPS=2, UNFIXED=0};
+
+/**
+ * Define NMEA GGA FRAME
+ */
+struct NMEA_GGA {
+	short hour;
+	short min;
+	short sec;
+	short ms;
+
+	short latDeg;
+	short latMin;
+	float latSec;
+	COMPASS latDir;
+
+	short lonDeg;
+	short lonMin;
+	float lonSec;
+	COMPASS lonDir;
+
+	short sats;
+	GPS_STATE state;
+
+	// TODO : Finish Frame
+
+};
+
+/**
+ * Fetch the last NMEA_GGA frame
+ */
+struct NMEA_GGA getNMEA_GGAFrame();
+
+#endif