Initial Arduino IDE based on Processing.

build/shared/lib/avrlib/nmea.h

@@ -0,0 +1,53 @@
+/*! \file nmea.h \brief NMEA protocol function library. */
+//*****************************************************************************
+//
+// File Name	: 'nmea.h'
+// Title		: NMEA protocol function library
+// Author		: Pascal Stang - Copyright (C) 2002
+// Created		: 2002.08.27
+// Revised		: 2002.08.27
+// Version		: 0.1
+// Target MCU	: Atmel AVR Series
+// Editor Tabs	: 4
+//
+// NOTE: This code is currently below version 1.0, and therefore is considered
+// to be lacking in some functionality or documentation, or may not be fully
+// tested.  Nonetheless, you can expect most functions to work.
+//
+// This code is distributed under the GNU Public License
+//		which can be found at http://www.gnu.org/licenses/gpl.txt
+//
+//*****************************************************************************
+
+#ifndef NMEA_H
+#define NMEA_H
+
+#include "global.h"
+#include "buffer.h"
+
+// constants/macros/typdefs
+#define NMEA_BUFFERSIZE		80
+
+// Message Codes
+#define NMEA_NODATA		0	// No data. Packet not available, bad, or not decoded
+#define NMEA_GPGGA		1	// Global Positioning System Fix Data
+#define NMEA_GPVTG		2	// Course over ground and ground speed
+#define NMEA_GPGLL		3	// Geographic position - latitude/longitude
+#define NMEA_GPGSV		4	// GPS satellites in view
+#define NMEA_GPGSA		5	// GPS DOP and active satellites
+#define NMEA_GPRMC		6	// Recommended minimum specific GPS data
+#define NMEA_UNKNOWN	0xFF// Packet received but not known
+
+// Debugging
+//#define NMEA_DEBUG_PKT	///< define to enable debug of all NMEA messages
+//#define NMEA_DEBUG_GGA	///< define to enable debug of GGA messages
+//#define NMEA_DEBUG_VTG	///< define to enable debug of VTG messages
+
+// functions
+void nmeaInit(void);
+u08* nmeaGetPacketBuffer(void);
+u08 nmeaProcess(cBuffer* rxBuffer);
+void nmeaProcessGPGGA(u08* packet);
+void nmeaProcessGPVTG(u08* packet);
+
+#endif