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<sect1 id="rtcm.c"><title><filename>rtcm.c</filename></title>
<informaltable frame='all' pgwide='1'>
<tgroup cols='2'>
<colspec colname='c1'></colspec>
<colspec colname='c2'></colspec>
<spanspec spanname='s1' namest='c1' nameend='c2'></spanspec>
<thead>
<row>
<entry>Functions:-</entry><entry>This is a decoder for the RTCM-104 serial protocol.</entry>
</row>
</thead>
<tfoot>
<row>
<entry spanname='s1' align='left'>Notes based on <function>$Id: rtcm.c 4364 2007-05-31 08:43:23Z esr $</function></entry>
</row>
</tfoot>
<tbody>
<row>
<entry><function>void rtcm_unpack(struct rtcm_t *tp, char *buf)</function></entry>
<entry><para>Splits RTCM raw data into fields.</para></entry>
</row>
<row>
<entry><function>bool rtcm_repack(struct rtcm_t *tp, isgps30bits_t *buf)</function></entry>
<entry><para>Packs RTCM fields into a raw data stream.</para></entry>
</row>
<row>
<entry><function>static bool preamble_match(isgps30bits_t *w)</function></entry>
<entry><para>Tells if the preamble field in a message is valid or not.</para></entry>
</row>
<row>
<entry><function>static bool length_check(struct gps_packet_t *lexer)</function></entry>
<entry><para>Tells if the message length is valid or not.</para></entry>
</row>
<row>
<entry><function>enum isgpsstat_t rtcm_decode(struct gps_packet_t *lexer, unsigned int c)</function></entry>
<entry><para>A simple call to <function>isgps_decode()</function>.</para></entry>
</row>
<row>
<entry><function>void rtcm_dump(struct rtcm_t *rtcm, char buf[], size_t buflen)</function></entry>
<entry><para>Dump the contents of a parsed RTCM104 message.</para></entry>
</row>
<row>
<entry><function>int rtcm_undump(struct rtcm_t *rtcmp, char *buf)</function></entry>
<entry><para>Merge a line of data into an RTCM structure, return 0 if done.</para></entry>
</row>
<row>
<entry><function>void rtcm_output_magnavox(isgps30bits_t *ip, FILE *fp)</function></entry>
<entry><para>Ship an RTCM message in the format emitted by Magnavox DGPS receivers.</para></entry>
</row>
</tbody>
</tgroup>
</informaltable>
</sect1>
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