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108 lines
3.1 KiB
108 lines
3.1 KiB
14 years ago
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<HTML><HEAD><TITLE>Manpage of XBEE_PKT</TITLE>
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</HEAD><BODY>
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<H1>XBEE_PKT</H1>
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Section: Linux Programmer's Manual (3)<BR>Updated: 2009-11-01<BR><A HREF="#index">Index</A>
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<A HREF="../index.html">Return to Main Contents</A><HR>
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<A NAME="lbAB"> </A>
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<H2>NAME</H2>
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xbee_pkt
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<A NAME="lbAC"> </A>
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<H2>SYNOPSIS</H2>
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<B>#include <<A HREF="file:/usr/include/xbee.h">xbee.h</A>></B>
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<A NAME="lbAD"> </A>
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<H2>DESCRIPTION</H2>
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This is the packet structure. If you want to get more advanced information from connections (such as RSSI) then this is where it lives.
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<P>
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<PRE>
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struct xbee_pkt {
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unsigned char frameID; /* AT Status */
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unsigned char atCmd[2]; /* AT */
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unsigned char status; /* AT Data Status */ /* status / options */
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unsigned char Addr64[8]; /* AT Data */
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unsigned char Addr16[2]; /* AT Data */
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unsigned char data[128]; /* AT Data */
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unsigned char RSSI; /* Data */
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unsigned int datalen;
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/* X A5 A4 A3 A2 A1 A0 D8 D7 D6 D5 D4 D3 D2 D1 D0 */
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unsigned short IOmask; /* IO */
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/* X X X X X X X D8 D7 D6 D5 D4 D3 D2 D1 D0 */
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unsigned short IOdata; /* IO */
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/* X X X X X D D D D D D D D D D D */
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unsigned short IOanalog[6]; /* IO */
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};
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typedef struct xbee_pkt xbee_pkt;
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</PRE>
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<P>
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Most of these fields are fairly self explanatory, however some need attention brought to them
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and others need explaining. I will touch on the most important here:
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<DL COMPACT>
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<DT><B>atCmd</B>
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<DD>
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This is the 2 character identifier for the AT command response you just recieved.
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Of course if you didnt setup an AT connection, you should never see, or try to see data here.
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<DT><B>Addr64</B> and <B>Addr16</B>
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<DD>
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These contain the address of the XBee that you recieved the packet from. You should really know this
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because you setup the connection. However remote AT packets will contain both 16 and 64 bit
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addresses.
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<DT><B>data</B>
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<DD>
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This is the data you just recieved. Either the AT reponse, or the data from the remote XBee node.
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<DT><B>datalen</B>
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<DD>
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Would you be suprised if I told you this is how much data there is?... Dont try and
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<B>printf</B>()
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the
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<B>data</B>
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as it isn't null terminated. Use this for processing instead.
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</DL>
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<A NAME="lbAE"> </A>
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<H2>AUTHOR</H2>
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Attie Grande <<A HREF="mailto:attie@attie.co.uk">attie@attie.co.uk</A>>
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<A NAME="lbAF"> </A>
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<H2>SEE ALSO</H2>
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<B><A HREF="../man3/libxbee.3.html">libxbee</A></B>(3),
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<B><A HREF="../man3/xbee_getpacket.3.html">xbee_getpacket</A></B>(3)
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<P>
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<HR>
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<A NAME="index"> </A><H2>Index</H2>
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<DL>
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<DT><A HREF="#lbAB">NAME</A><DD>
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<DT><A HREF="#lbAC">SYNOPSIS</A><DD>
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<DT><A HREF="#lbAD">DESCRIPTION</A><DD>
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<DT><A HREF="#lbAE">AUTHOR</A><DD>
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<DT><A HREF="#lbAF">SEE ALSO</A><DD>
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</DL>
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<HR>
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This document was created by
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<A HREF="http://localhost/cgi-bin/man/man2html">man2html</A>,
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using the manual pages.<BR>
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Time: 00:08:23 GMT, March 30, 2011
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</BODY>
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</HTML>
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