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<?xml version="1.0" encoding="ISO-8859-1"?>
<!--
This file is Copyright (c) 2010 by the GPSD project
SPDX-License-Identifier: BSD-2-clause
-->
<!DOCTYPE refentry PUBLIC
"-//OASIS//DTD DocBook XML V4.1.2//EN"
"http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd">
<refentry id='gpsinit.8'>
<refentryinfo><date>18 Jan 2013</date></refentryinfo>
<refmeta>
<refentrytitle>gpsinit</refentrytitle>
<manvolnum>8</manvolnum>
<refmiscinfo class="source">The GPSD Project</refmiscinfo>
<refmiscinfo class="manual">GPSD Documentation</refmiscinfo>
</refmeta>
<refnamediv id='name'>
<refname>gpsinit</refname>
<refpurpose>initialize CAN kernel modules for GPSD</refpurpose>
</refnamediv>
<refsynopsisdiv id='synopsis'>
<cmdsynopsis>
<command>gpsinit</command>
<arg choice='opt'>-n <replaceable>control</replaceable></arg>
<arg choice='opt'>-s <replaceable>speed</replaceable></arg>
<arg choice='plain'><replaceable>module_name</replaceable></arg>
<arg choice='opt'><replaceable>interface_name</replaceable></arg>
</cmdsynopsis>
<cmdsynopsis>
<command>gpsinit</command>
<arg choice='plain'>-h </arg>
</cmdsynopsis>
<cmdsynopsis>
<command>gpsinit</command>
<arg choice='plain'>-v </arg>
</cmdsynopsis>
</refsynopsisdiv>
<refsect1 id='description'><title>DESCRIPTION</title>
<para><application>gpsinit</application> initializes whatever
kernel-level modules are needed to enable special non-serial hardware
to communicate with a gpsd instance. Note: it will need root permissions
to load modules and perform other special operations, such as changing
kernel-interface baudrates.</para>
<para>At present, all modes of this tool are concerned with setting up
kernel-level interfaces to hardware on a CAN (Control Area Network) speaking
NMEA2000.</para>
<para>The program accepts the following options:</para>
<variablelist remap='TP'>
<varlistentry>
<term>-h</term>
<listitem>
<para>Display a brief help text.</para>
</listitem>
</varlistentry>
<varlistentry>
<term>-v</term>
<listitem>
<para>Display the version of <application>gpsinit</application>.</para>
</listitem>
</varlistentry>
<varlistentry>
<term>-n</term>
<listitem>
<para>Set the CAN network number. The default is 0.</para>
</listitem>
</varlistentry>
<varlistentry>
<term>-s</term>
<listitem>
<para>Set the baudrate to be used to communicate over the serial line
to the CAN hardware. The default is 38400 baud.</para>
</listitem>
</varlistentry>
</variablelist>
<para>The parameter <parameter>module_name</parameter> is mandatory. The
socket CAN driver module <parameter>module_name</parameter>.ko will be
loaded. <command>gpsinit</command> recognize the following module
names:
<variablelist>
<varlistentry>
<term>plx_pci</term>
<term>esd_usb2</term>
<term>vcan</term>
<term>slcan</term>
<listitem>
<para>
The parameter <parameter>interface_name</parameter> and <parameter>-s
<replaceable>speed</replaceable></parameter> can used here.
</para>
</listitem>
</varlistentry>
<varlistentry><term>beaglebone</term>
<listitem>
<para> The dcan module needed for the beaglebone is part of the Linux kernel,
so no module is loaded in this case.</para>
</listitem>
</varlistentry>
</variablelist>
</para>
<para>The parameter <parameter>interface_name</parameter> is needed for
slcan hardware only. It gives the name of the serial device to which the SL
CAN hardware is connected. The default is /dev/ttyUSB0.
</para>
</refsect1>
<refsect1 id='examples'><title>EXAMPLES</title>
<variablelist>
<varlistentry>
<term><command>sudo gpsinit plx_pci</command></term>
<listitem>
<para>Attempt to load the module plx_pci and initialize net 0 for the
connection to a NMEA2000 network. It will set the baudrate to
250kBits.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><command>sudo gpsinit -n 1 plx_pci</command></term>
<listitem>
<para>As above, but use net 1.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><command>sudo gpsinit -s 38400 slcan /dev/ttyUSB0</command></term>
<listitem>
<para>Attempt to load the module slcan and talk to the hardware at
38400 baud connected to port /dev/ttyUSB0.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><command>gpsinit -h </command></term>
<listitem>
<para>Display a brief help message.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><command>gpsinit -v </command></term>
<listitem>
<para>Display the version of gpsinit.</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1 id='see_also'><title>SEE ALSO</title>
<para>
<citerefentry><refentrytitle>gpsd</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
<citerefentry><refentrytitle>gps</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
<citerefentry><refentrytitle>libgps</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
<citerefentry><refentrytitle>libgpsmm</refentrytitle><manvolnum>3</manvolnum></citerefentry>.
</para>
</refsect1>
<refsect1 id='maintainer'><title>AUTHOR</title>
<para>Reinhard Arlt <email>reinhard.arlt@t-online.de</email>.</para>
</refsect1>
</refentry>
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