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<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE refentry PUBLIC
"-//OASIS//DTD DocBook XML V4.1.2//EN"
"docbook/docbookx.dtd">
<refentry id='gpsfake.1'>
<refmeta>
<refentrytitle>gpsfake</refentrytitle>
<manvolnum>1</manvolnum>
<refmiscinfo class='date'>12 Feb 2005</refmiscinfo>
</refmeta>
<refnamediv id='name'>
<refname>gpsfake</refname>
<refpurpose>test harness for gpsd, simulating a GPS</refpurpose>
</refnamediv>
<refsynopsisdiv id='synopsis'>
<cmdsynopsis>
<command>gpsfake</command>
<arg choice='opt'>-h</arg>
<arg choice='opt'>-c <replaceable>interval</replaceable></arg>
<arg choice='opt'>-n</arg>
<arg choice='opt'>-s <replaceable>speed</replaceable></arg>
<arg choice='opt'><replaceable>logfile</replaceable></arg>
</cmdsynopsis>
</refsynopsisdiv>
<refsect1 id='description'><title>DESCRIPTION</title>
<para><application>gpsfake</application> is a test harness for
<application>gpsd</application> and its clients. It opens a pty
(pseudo-TTY), launches a <application>gpsd</application> instance that
thinks the slave side of the pty is its GPS device, and repeatedly
feeds the contents of a test logfile through the master side to the
GPS.</para>
</refsect1>
<refsect1 id='options'><title>OPTIONS</title>
<para>The -c option sets the delay between sentences in seconds</para>
<para>The -n option suppresses launch of the daemon. Instead,
<application>gpsfake</application> will tell you the name of the slave
pty so you can launch in instance that reads it.</para>
<para>The -s option sets the baud rate. Note, this will only work if
the chipset accepts a speed-change command (SiRF-II supports this
feature).</para>
<para>The -h option makes <application>gpsfake</application> print
a usage message and exit.</para>
<para>The argument must be the name of a file containing the text of
NMEA sentences to be cycled at the device.</para>
</refsect1>
<refsect1 id='see_also'><title>SEE ALSO</title>
<para>
<citerefentry><refentrytitle>gpsd</refentrytitle><manvolnum>1</manvolnum></citerefentry>
<citerefentry><refentrytitle>libgps</refentrytitle><manvolnum>3</manvolnum></citerefentry>
<citerefentry><refentrytitle>libgpsd</refentrytitle><manvolnum>3</manvolnum></citerefentry>
<citerefentry><refentrytitle>gpsprobe</refentrytitle><manvolnum>1</manvolnum></citerefentry>
<citerefentry><refentrytitle>gpsprof</refentrytitle><manvolnum>1</manvolnum></citerefentry>
<citerefentry><refentrytitle>gnuplot</refentrytitle><manvolnum>1</manvolnum></citerefentry>
</para>
</refsect1>
<refsect1 id='maintainer'><title>AUTHOR</title>
<para>Eric S. Raymond <email>esr@thyrsus.com</email>. There is a
project page for <application>gpsd</application> <ulink
url="http://gpsd.berlios.de/">here</ulink>.</para>
</refsect1>
</refentry>
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