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