1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.3//EN"
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3 | "http://www.oasis-open.org/docbook/xml/4.3/docbookx.dtd" [
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4 | <!ENTITY % general-entities SYSTEM "../../general.ent">
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5 | %general-entities;
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6 |
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7 | <!ENTITY libusb-download-http "http://prdownloads.sourceforge.net/libusb/libusb-&libusb-version;.tar.gz">
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8 | <!ENTITY libusb-download-ftp " ">
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9 | <!ENTITY libusb-size "314 KB">
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10 | <!ENTITY libusb-buildsize "2.1 MB">
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11 | <!ENTITY libusb-time "0.03 SBU">
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12 |
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13 | ]>
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14 |
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15 | <sect1 id="libusb" xreflabel="libusb-&libusb-version;">
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16 | <?dbhtml filename="libusb.html"?>
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17 | <title>libusb-&libusb-version;</title>
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18 |
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19 | <sect2>
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20 | <title>Introduction to <application>libusb</application></title>
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21 |
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22 | <para>The <application>libusb</application> package contains a library
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23 | used by some applications for <acronym>USB</acronym> device access.</para>
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24 |
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25 | <sect3><title>Package information</title>
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26 | <itemizedlist spacing='compact'>
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27 | <listitem><para>Download (HTTP): <ulink url="&libusb-download-http;"/></para></listitem>
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28 | <listitem><para>Download (FTP): <ulink url="&libusb-download-ftp;"/></para></listitem>
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29 | <listitem><para>Download size: &libusb-size;</para></listitem>
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30 | <listitem><para>Estimated Disk space required: &libusb-buildsize;</para></listitem>
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31 | <listitem><para>Estimated build time: &libusb-time;</para></listitem></itemizedlist>
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32 | </sect3>
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33 |
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34 | <sect3><title><application>libusb</application> dependencies</title>
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35 | <sect4><title>Optional</title>
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36 | <para><xref linkend="openjade"/> and <xref linkend="sgml-dtd-3"/></para></sect4>
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37 | </sect3>
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38 |
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39 | </sect2>
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40 |
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41 | <sect2>
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42 | <title>Installation of <application>libusb</application></title>
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43 |
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44 | <para>Install <application>libusb</application> by running the following commands:</para>
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45 |
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46 | <screen><userinput><command>./configure --prefix=/usr --disable-build-docs &&
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47 | make &&
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48 | make install</command></userinput></screen>
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49 |
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50 | </sect2>
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51 |
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52 | <sect2>
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53 | <title>Command explanations</title>
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54 |
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55 | <para><parameter>--disable-build-docs</parameter>: This switch turns off
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56 | the default enabled building of documentation since it requires
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57 | <application>OpenJade</application>.</para>
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58 | </sect2>
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59 |
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60 | <sect2>
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61 | <title>Configuring <application>libusb</application></title>
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62 |
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63 | <!-- To be reviewed when hotplug enters the LFS book -->
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64 |
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65 | <para>libusb requires the usbfs kernel filesystem to be mounted on
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66 | <filename class="directory">/proc/bus/usb</filename>. Applications
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67 | require the files in this directory to be accessible to the user,
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68 | sometimes for both reading and writing.</para>
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69 |
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70 | <para>To restrict access to <acronym>USB</acronym> devices, create the
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71 | usb group:</para>
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72 |
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73 | <screen><userinput><command>groupadd -g 15 usb</command></userinput></screen>
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74 |
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75 | <para>To get usbfs mounted on boot, we will create a special init script,
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76 | because just putting an extra line into
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77 | <filename>/etc/fstab</filename> does not work for those who compiled
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78 | "USB device filesystem" as a kernel module.
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79 | Install <filename>/etc/rc.d/init.d/usb</filename>
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80 | init script included in the
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81 | <xref linkend="intro-important-bootscripts"/> package.</para>
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82 |
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83 |
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84 | <screen><userinput><command>make install-usb</command></userinput></screen>
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85 |
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86 | </sect2>
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87 |
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88 | <sect2>
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89 | <title>Contents</title>
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90 |
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91 | <para>The <application>libusb</application> package contains
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92 | <filename class="libraryfile">libusb</filename> libraries,
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93 | the <filename>/usr/include/usb.h</filename> header,
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94 | and a <command>usb-config</command> script.</para>
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95 |
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96 | </sect2>
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97 |
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98 | <sect2><title>Description</title>
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99 |
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100 | <sect3><title>libusb libraries</title>
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101 | <para><filename class="libraryfile">libusb</filename> libraries contain C functions for
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102 | accessing <acronym>USB</acronym> hardware.</para></sect3>
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103 |
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104 | <sect3><title>usb-config</title>
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105 | <para>The <command>usb-config</command> script provides the right
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106 | compiler and linker flags for programs using
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107 | this library.</para></sect3>
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108 |
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109 | </sect2>
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110 |
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111 | </sect1>
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112 |
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