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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-09-08 01:01:14 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-09-08 01:01:14 -0300
commite5fd91f1ef340da553f7a79da9540c3db711c937 (patch)
treeb11842027dc6641da63f4bcc524f8678263304a3 /Documentation/DocBook/media/dvb/fe-diseqc-send-burst.xml
parent2a9b0348e685a63d97486f6749622b61e9e3292f (diff)
Linux-libre 4.2-gnu
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+<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>