<refentry id="FE_DISEQC_SEND_BURST"> <refmeta> <refentrytitle>ioctl FE_DISEQC_SEND_BURST</refentrytitle> &manvol; </refmeta> <refnamediv> <refname>FE_DISEQC_SEND_BURST</refname> <refpurpose>Sends a 22KHz tone burst for 2x1 mini DiSEqC satellite selection.</refpurpose> </refnamediv> <refsynopsisdiv> <funcsynopsis> <funcprototype> <funcdef>int <function>ioctl</function></funcdef> <paramdef>int <parameter>fd</parameter></paramdef> <paramdef>int <parameter>request</parameter></paramdef> <paramdef>enum fe_sec_mini_cmd *<parameter>tone</parameter></paramdef> </funcprototype> </funcsynopsis> </refsynopsisdiv> <refsect1> <title>Arguments</title> <variablelist> <varlistentry> <term><parameter>fd</parameter></term> <listitem> <para>&fe_fd;</para> </listitem> </varlistentry> <varlistentry> <term><parameter>request</parameter></term> <listitem> <para>FE_DISEQC_SEND_BURST</para> </listitem> </varlistentry> <varlistentry> <term><parameter>tone</parameter></term> <listitem> <para>pointer to &fe-sec-mini-cmd;</para> </listitem> </varlistentry> </variablelist> </refsect1> <refsect1> <title>Description</title> <para>This ioctl is used to set the generation of a 22kHz tone burst for mini DiSEqC satellite selection for 2x1 switches. This call requires read/write permissions.</para> <para>It provides support for what's specified at <ulink url="http://www.eutelsat.com/files/contributed/satellites/pdf/Diseqc/associated%20docs/simple_tone_burst_detec.pdf">Digital Satellite Equipment Control (DiSEqC) - Simple "ToneBurst" Detection Circuit specification.</ulink> </para> &return-value-dvb; </refsect1> <refsect1 id="fe-sec-mini-cmd-t"> <title>enum fe_sec_mini_cmd</title> <table pgwide="1" frame="none" id="fe-sec-mini-cmd"> <title>enum fe_sec_mini_cmd</title> <tgroup cols="2"> &cs-def; <thead> <row> <entry>ID</entry> <entry>Description</entry> </row> </thead> <tbody valign="top"> <row> <entry align="char" id="SEC-MINI-A"><constant>SEC_MINI_A</constant></entry> <entry align="char">Sends a mini-DiSEqC 22kHz '0' Tone Burst to select satellite-A</entry> </row><row> <entry align="char" id="SEC-MINI-B"><constant>SEC_MINI_B</constant></entry> <entry align="char">Sends a mini-DiSEqC 22kHz '1' Data Burst to select satellite-B</entry> </row> </tbody> </tgroup> </table> </refsect1> </refentry>