source: general/sysutils/bluez.xml@ cbb6df66

<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
   "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
  <!ENTITY % general-entities SYSTEM "../../general.ent">
  %general-entities;

  <!ENTITY bluez-download-http "&kernel-dl;/linux/bluetooth/bluez-&bluez-version;.tar.xz">
  <!ENTITY bluez-download-ftp  " ">
  <!ENTITY bluez-md5sum        "e6c51b2aefa7c56ff072819a78611fa5">
  <!ENTITY bluez-size          "2.0 MB">
  <!ENTITY bluez-buildsize     "68 MB (add 78 MB for tests)">
  <!ENTITY bluez-time          "0.2 SBU (using parallelism=4; add 0.2 SBU for tests)">
]>

<sect1 id="bluez" xreflabel="BlueZ-&bluez-version;">
  <?dbhtml filename="bluez.html"?>

  <sect1info>
    <othername>$LastChangedBy$</othername>
    <date>$Date$</date>
  </sect1info>

  <title>BlueZ-&bluez-version;</title>

  <indexterm zone="bluez">
    <primary sortas="a-BlueZ">BlueZ</primary>
  </indexterm>

  <sect2 role="package">
    <title>Introduction to BlueZ</title>

    <para>
      The <application>BlueZ</application> package contains the
      Bluetooth protocol stack for Linux.
    </para>

    &lfs101_checked;

    <bridgehead renderas="sect3">Package Information</bridgehead>
    <itemizedlist spacing="compact">
      <listitem>
        <para>
          Download (HTTP): <ulink url="&bluez-download-http;"/>
        </para>
      </listitem>
      <listitem>
        <para>
          Download (FTP): <ulink url="&bluez-download-ftp;"/>
        </para>
      </listitem>
      <listitem>
        <para>
          Download MD5 sum: &bluez-md5sum;
        </para>
      </listitem>
      <listitem>
        <para>
          Download size: &bluez-size;
        </para>
      </listitem>
      <listitem>
        <para>
          Estimated disk space required: &bluez-buildsize;
        </para>
      </listitem>
      <listitem>
        <para>
          Estimated build time: &bluez-time;
        </para>
      </listitem>
    </itemizedlist>

    <bridgehead renderas="sect3">Additional Downloads</bridgehead>
    <itemizedlist spacing="compact">
      <listitem>
        <para>
          Required patch:
          <ulink url="&patch-root;/bluez-&bluez-version;-upstream_fixes-1.patch"/>
        </para>
      </listitem>
    </itemizedlist>

    <bridgehead renderas="sect3">BlueZ Dependencies</bridgehead>

    <bridgehead renderas="sect4">Required</bridgehead>
    <para role="required">
      <xref linkend="dbus"/>,
      <xref linkend="glib2"/>, and
      <xref linkend="libical"/>
    </para>

    <para condition="html" role="usernotes">
      User Notes: <ulink url="&blfs-wiki;/bluez"/>
    </para>
  </sect2>


  <sect2 role="kernel" id="bluez-kernel">
    <title>Kernel Configuration</title>

    <para>
      If you are building this package to use bluetooth devices (rather than as a
      build dependency), enable the following options in the kernel configuration,
      also the options below the next paragraph if you intend to run the tests,
      and recompile the kernel if necessary:
    </para>

<screen><literal>[*] Networking support ---&gt;                [CONFIG_NET]
  &lt;*/M&gt; Bluetooth subsystem support ---&gt;    [CONFIG_BT]
    &lt;*/M&gt; RFCOMM protocol support          [CONFIG_BT_RFCOMM]
    [*]   RFCOMM TTY support               [CONFIG_BT_RFCOMM_TTY]
    &lt;*/M&gt; BNEP protocol support            [CONFIG_BT_BNEP]
    [*]   Multicast filter support         [CONFIG_BT_BNEP_MC_FILTER]
    [*]   Protocol filter support          [CONFIG_BT_BNEP_PROTO_FILTER]
    &lt;*/M&gt; HIDP protocol support            [CONFIG_BT_HIDP]
        Bluetooth device drivers ---&gt;
          (Select the appropriate drivers for your Bluetooth hardware)

  &lt;*/M&gt; RF switch subsystem support ----   [CONFIG_RFKILL]</literal></screen>

    <para>
      If you wish to run the testsuite (even if treating this package as a build
      dependency), you will need to enable the following options in the kernel
      configuration and recompile the kernel if necessary:
    </para>

<screen><literal>-*- Cryptographic API ---&gt;                                      [CONFIG_CRYPTO]
  &lt;*/M&gt; User-space interface for hash algorithms                 [CONFIG_CRYPTO_USER_API_HASH]
  &lt;*/M&gt; User-space interface for symmetric key cipher algorithms [CONFIG_CRYPTO_USER_API_SKCIPHER]</literal></screen>

    <indexterm zone="bluez bluez-kernel">
      <primary sortas="d-bluez">bluez</primary>
    </indexterm>
  </sect2>

  <sect2 role="installation">
    <title>Installation of BlueZ</title>

    <para>
      First, fix a segmentation fault that occurs when connecting to AD2P-based 
      bluetooth devices:
    </para>

<screen><userinput remap="pre">patch -Np1 -i ../bluez-&bluez-version;-upstream_fixes-1.patch</userinput></screen>

<!--
    <para>
      First, adapt BlueZ to changes in the Linux API Headers in Linux 5.2+:
    </para>
    
<screen><userinput remap="pre">sed -i 's/SIOCGSTAMP/0x8906/' tools/rctest.c \
                              tools/l2test.c</userinput></screen>
-->

    <para>
      Install <application>BlueZ</application> by running the following
      commands:
    </para>

<screen revision="sysv"><userinput>./configure --prefix=/usr         \
            --sysconfdir=/etc     \
            --localstatedir=/var  \
            --enable-library      \
            --disable-systemd     &amp;&amp;
make</userinput></screen>

<screen revision="systemd"><userinput>./configure --prefix=/usr         \
            --sysconfdir=/etc     \
            --localstatedir=/var  \
            --enable-library      &amp;&amp;
make</userinput></screen>

    <para>
      To test the results, issue: <userinput>make check</userinput>.
    </para>

    <para>
      Now, as the <systemitem class="username">root</systemitem> user:
    </para>

<screen role="root"><userinput>make install &amp;&amp;
ln -svf ../libexec/bluetooth/bluetoothd /usr/sbin</userinput></screen>

    <para>
      Install the main configuration file as the
      <systemitem class="username">root</systemitem> user:
    </para>

<screen role="root"><userinput>install -v -dm755 /etc/bluetooth &amp;&amp;
install -v -m644 src/main.conf /etc/bluetooth/main.conf</userinput></screen>

    <para>
      If desired, install the API documentation as the
      <systemitem class="username">root</systemitem> user:
    </para>

<screen role="root"><userinput>install -v -dm755 /usr/share/doc/bluez-&bluez-version; &amp;&amp;
install -v -m644 doc/*.txt /usr/share/doc/bluez-&bluez-version;</userinput></screen>

  </sect2>


  <sect2 role="commands">
    <title>Command Explanations</title>

    <para>
      <parameter>--enable-library</parameter>: This switch enables building the
      <application>BlueZ</application> 4 compatibility library which is required by
      some applications.
    </para>

    <para revision="sysv">
      <parameter>--disable-systemd</parameter>: This switch is needed because
      <application>systemd</application> is not part of LFS/BLFS. If you are
      using systemd, remove this switch.
    </para>

    <para>
      <command>ln -svf ../libexec/bluetooth/bluetoothd /usr/sbin</command>:
      This command makes access to the bluetooth daemon more convenient.
    </para>

  </sect2>

  <sect2 role="configuration">
    <title>Configuring BlueZ</title>

    <sect3 id="bluez-config">
      <title>Configuration Files</title>
      <para>
        <filename>/etc/bluetooth/main.conf</filename> is installed automatically
        during the install.  Additionally, there are three supplementary
        configuration files.  /etc/sysconfig/bluetooth is installed as a part
        of the boot script below.  In addition, you optionally can install the
        following, as the <systemitem class="username">root</systemitem> user:
      </para>

<screen role="root"><userinput>cat > /etc/bluetooth/rfcomm.conf &lt;&lt; "EOF"</userinput>
<literal># Start rfcomm.conf
# Set up the RFCOMM configuration of the Bluetooth subsystem in the Linux kernel.
# Use one line per command
# See the rfcomm man page for options


# End of rfcomm.conf</literal>
EOF</screen>

<screen role="root"><userinput>cat > /etc/bluetooth/uart.conf &lt;&lt; "EOF"</userinput>
<literal># Start uart.conf
# Attach serial devices via UART HCI to BlueZ stack
# Use one line per device
# See the hciattach man page for options

# End of uart.conf</literal>
EOF</screen>

      <indexterm zone="bluez bluez-config">
        <primary
        sortas="e-etc-bluetooth-main.conf">/etc/bluetooth/main.conf</primary>
      </indexterm>

    </sect3>

    <sect3  id="bluez-init">
      <title><phrase revision="sysv">Boot Script</phrase>
             <phrase revision="systemd">Systemd Bluez Services</phrase></title>

      <para revision="sysv">
        To automatically start the <command>bluetoothd</command> daemon when the
        system is rebooted, install the
        <filename>/etc/rc.d/init.d/bluetooth</filename> bootscript from the
        <xref linkend="bootscripts"/> package.
      </para>

      <para revision="systemd">
        To start the <command>bluetoothd</command> daemon at boot,
        enable the previously installed systemd unit by
        running the following command as the
        <systemitem class="username">root</systemitem> user:
      </para>

<screen role="root" revision="systemd"><userinput>systemctl enable bluetooth</userinput></screen>

      <para revision="systemd">
         To start the <command>obexd</command> daemon for a user session (to
         support some Bluetooth programs using it), enable the previously
         installed systemd unit for all users by running the following command
         as the <systemitem class="username">root</systemitem> user:
       </para>

<screen role="root" revision="systemd"><userinput>systemctl enable --global obex</userinput></screen>
        
      <indexterm zone="bluez bluez-init">
        <primary sortas="f-bluetooth">bluetooth</primary>
      </indexterm>

<screen role="root" revision="sysv"><userinput>make install-bluetooth</userinput></screen>


      <note revision="systemd">
        <para>
          <application>Systemd</application> will start the Bluetooth daemon
          only when a bluetooth device is detected on the system.
        </para>
      </note>

    </sect3>

  </sect2>

  <sect2 role="content">
    <title>Contents</title>

    <segmentedlist>
      <segtitle>Installed Programs</segtitle>
      <segtitle>Installed Library</segtitle>
      <segtitle>Installed Directories</segtitle>

      <seglistitem>
        <seg>
          bccmd, 
          bluemoon, 
          bluetoothctl, 
          bluetoothd (symlink), 
          btattach, 
          btmon, 
          hex2hcd, 
          l2ping, 
          l2test,
          mpris-proxy, and 
          rctest
        </seg>
        <seg>
          libbluetooth.so
        </seg>
        <seg>
          /etc/bluetooth, 
          /usr/{include,libexec}/bluetooth, and
          /usr/share/doc/bluez-&bluez-version;
        </seg>
      </seglistitem>
    </segmentedlist>

    <variablelist>
      <bridgehead renderas="sect3">Short Descriptions</bridgehead>
      <?dbfo list-presentation="list"?>
      <?dbhtml list-presentation="table"?>

      <varlistentry id="bccmd">
        <term><command>bccmd</command></term>
        <listitem>
          <para>
            is used to issue BlueCore commands to Cambridge Silicon
            Radio devices
          </para>
          <indexterm zone="bluez bccmd">
            <primary sortas="b-bccmd">bccmd</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="bluemoon">
        <term><command>bluemoon</command></term>
        <listitem>
          <para>
            is a Bluemoon configuration utility
          </para>
          <indexterm zone="bluez bluemoon">
            <primary sortas="b-bluemoon">bluemoon</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="bluetoothctl">
        <term><command>bluetoothctl</command></term>
        <listitem>
          <para>
            is the interactive Bluetooth control program
          </para>
          <indexterm zone="bluez bluetoothctl">
            <primary sortas="b-bluetoothctl">bluetoothctl</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="bluetoothd">
        <term><command>bluetoothd</command></term>
        <listitem>
          <para>
            is the Bluetooth daemon
          </para>
          <indexterm zone="bluez bluetoothd">
            <primary sortas="b-bluetoothd">bluetoothd</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="btmon">
        <term><command>btmon</command></term>
        <listitem>
          <para>
            provides access to the Bluetooth subsystem monitor
            infrastructure for reading HCI traces
          </para>
          <indexterm zone="bluez btmon">
            <primary sortas="b-btmon">btmon</primary>
          </indexterm>
        </listitem>
      </varlistentry>


      <varlistentry id="hex2hcd">
        <term><command>hex2hcd</command></term>
        <listitem>
          <para>
            is used to convert a file needed by Broadcom devices
            to hcd (Broadcom bluetooth firmware) format
          </para>
          <indexterm zone="bluez hex2hcd">
            <primary sortas="b-hex2hcd">hex2hcd</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="l2ping">
        <term><command>l2ping</command></term>
        <listitem>
          <para>
            is used to send a L2CAP echo request to the Bluetooth MAC
            address given in dotted hex notation
          </para>
          <indexterm zone="bluez l2ping">
            <primary sortas="b-l2ping">l2ping</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="l2test">
        <term><command>l2test</command></term>
        <listitem>
          <para>
            is a L2CAP testing program
          </para>
          <indexterm zone="bluez l2test">
            <primary sortas="b-l2test">l2test</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="rctest">
        <term><command>rctest</command></term>
        <listitem>
          <para>
            is used to test RFCOMM communications on the
            Bluetooth stack
          </para>
          <indexterm zone="bluez rctest">
            <primary sortas="b-rctest">rctest</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="libbluetooth">
        <term><filename class="libraryfile">libbluetooth.so</filename></term>
        <listitem>
          <para>
            contains the <application>BlueZ</application> 4 API functions
          </para>
          <indexterm zone="bluez libbluetooth">
            <primary sortas="c-libbluetooth">libbluetooth.so</primary>
          </indexterm>
        </listitem>
      </varlistentry>
    </variablelist>

  </sect2>

</sect1>