Diff: GPS.h

Revision:

0:0f423a982334

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/GPS.h	Fri Jul 27 15:07:00 2012 +0000
@@ -0,0 +1,50 @@
+/* GPS class for mbed Microcontroller
+ * Copyright (c) 2008, sford
+ */
+
+#include "mbed.h"
+
+#ifndef GPS_H
+#define GPS_H
+
+/* Class: GPS
+ *  A GPS interface for reading from a Globalsat EM-406 GPS Module
+ */
+class GPS {
+
+public:
+
+	/* Constructor: GPS
+	 *  Create the GPS, connected to the specified serial port
+	 */	
+	GPS(PinName tx, PinName rx);
+	
+	/* Function: sample
+	 *  Sample the incoming GPS data, returning whether there is a lock
+	 * 
+	 * Variables:
+	 *  returns - 1 if there was a lock when the sample was taken (and therefore .longitude and .latitude are valid), else 0
+	 */
+	int sample();
+	
+	/* Variable: longitude
+	 *  The longitude (call sample() to set)
+	 */
+	float longitude;
+
+	/* Variable: latitude
+	 *  The latitude (call sample() to set)
+	 */
+	float latitude;
+	
+private:
+
+	float trunc(float v);
+	void getline();
+	
+	Serial _gps;
+	char msg[256];
+
+};
+
+#endif