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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"><title>Procyon AVRlib: nmea.h Source File</title><link href="dox.css" rel="stylesheet" type="text/css"></head><body><!-- Generated by Doxygen 1.4.2 --><div class="qindex"><a class="qindex" href="main.html">Main Page</a> | <a class="qindex" href="modules.html">Modules</a> | <a class="qindex" href="annotated.html">Data Structures</a> | <a class="qindex" href="dirs.html">Directories</a> | <a class="qindex" href="files.html">File List</a> | <a class="qindex" href="functions.html">Data Fields</a> | <a class="qindex" href="globals.html">Globals</a> | <a class="qindex" href="pages.html">Related Pages</a></div><h1>nmea.h</h1><a href="nmea_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment">00001 <span class="comment">/*! \file nmea.h \brief NMEA protocol function library. */</span>00002 <span class="comment">//*****************************************************************************</span>00003 <span class="comment">//</span>00004 <span class="comment">// File Name : 'nmea.h'</span>00005 <span class="comment">// Title : NMEA protocol function library</span>00006 <span class="comment">// Author : Pascal Stang - Copyright (C) 2002</span>00007 <span class="comment">// Created : 2002.08.27</span>00008 <span class="comment">// Revised : 2002.08.27</span>00009 <span class="comment">// Version : 0.1</span>00010 <span class="comment">// Target MCU : Atmel AVR Series</span>00011 <span class="comment">// Editor Tabs : 4</span>00012 <span class="comment">//</span>00013 <span class="comment">// NOTE: This code is currently below version 1.0, and therefore is considered</span>00014 <span class="comment">// to be lacking in some functionality or documentation, or may not be fully</span>00015 <span class="comment">// tested. Nonetheless, you can expect most functions to work.</span>00016 <span class="comment">//</span><span class="comment"></span>00017 <span class="comment">/// \ingroup driver_hw</span>00018 <span class="comment">/// \defgroup nmea NMEA Packet Interface for GPS Receivers (nmea.c)</span>00019 <span class="comment">/// \code #include "nmea.h" \endcode</span>00020 <span class="comment">/// \par Overview</span>00021 <span class="comment">/// This library parses and decodes the standard NMEA data stream from a</span>00022 <span class="comment">/// GPS and stores the position, velocity, and time solutions in the gps.c</span>00023 <span class="comment">/// library.</span>00024 <span class="comment"></span><span class="comment">//</span>00025 <span class="comment">// This code is distributed under the GNU Public License</span>00026 <span class="comment">// which can be found at http://www.gnu.org/licenses/gpl.txt</span>00027 <span class="comment">//</span>00028 <span class="comment">//*****************************************************************************</span>00029 00030 <span class="preprocessor">#ifndef NMEA_H</span>00031 <span class="preprocessor"></span><span class="preprocessor">#define NMEA_H</span>00032 <span class="preprocessor"></span>00033 <span class="preprocessor">#include "<a class="code" href="global_8h.html">global.h</a>"</span>00034 <span class="preprocessor">#include "<a class="code" href="buffer_8h.html">buffer.h</a>"</span>00035 00036 <span class="comment">// constants/macros/typdefs</span>00037 <span class="preprocessor">#define NMEA_BUFFERSIZE 80</span>00038 <span class="preprocessor"></span>00039 <span class="comment">// Message Codes</span>00040 <span class="preprocessor">#define NMEA_NODATA 0 // No data. Packet not available, bad, or not decoded</span>00041 <span class="preprocessor"></span><span class="preprocessor">#define NMEA_GPGGA 1 // Global Positioning System Fix Data</span>00042 <span class="preprocessor"></span><span class="preprocessor">#define NMEA_GPVTG 2 // Course over ground and ground speed</span>00043 <span class="preprocessor"></span><span class="preprocessor">#define NMEA_GPGLL 3 // Geographic position - latitude/longitude</span>00044 <span class="preprocessor"></span><span class="preprocessor">#define NMEA_GPGSV 4 // GPS satellites in view</span>00045 <span class="preprocessor"></span><span class="preprocessor">#define NMEA_GPGSA 5 // GPS DOP and active satellites</span>00046 <span class="preprocessor"></span><span class="preprocessor">#define NMEA_GPRMC 6 // Recommended minimum specific GPS data</span>00047 <span class="preprocessor"></span><span class="preprocessor">#define NMEA_UNKNOWN 0xFF// Packet received but not known</span>00048 <span class="preprocessor"></span>00049 <span class="comment">// Debugging</span>00050 <span class="comment">//#define NMEA_DEBUG_PKT ///< define to enable debug of all NMEA messages</span>00051 <span class="comment">//#define NMEA_DEBUG_GGA ///< define to enable debug of GGA messages</span>00052 <span class="comment">//#define NMEA_DEBUG_VTG ///< define to enable debug of VTG messages</span>00053 00054 <span class="comment">// functions</span>00055 <span class="keywordtype">void</span> nmeaInit(<span class="keywordtype">void</span>);00056 u08* nmeaGetPacketBuffer(<span class="keywordtype">void</span>);00057 u08 nmeaProcess(<a class="code" href="structstruct__cBuffer.html">cBuffer</a>* rxBuffer);00058 <span class="keywordtype">void</span> nmeaProcessGPGGA(u08* packet);00059 <span class="keywordtype">void</span> nmeaProcessGPVTG(u08* packet);00060 00061 <span class="preprocessor">#endif</span></pre></div><hr size="1"><address style="align: right;"><small>Generated on Mon Oct 24 16:03:55 2005 for Procyon AVRlib by <a href="http://www.doxygen.org/index.html"><img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.4.2 </small></address></body></html>⌨️ 快捷键说明
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