1<refentry id="FE_DISEQC_SEND_BURST">
2  <refmeta>
3    <refentrytitle>ioctl FE_DISEQC_SEND_BURST</refentrytitle>
4    &manvol;
5  </refmeta>
6
7  <refnamediv>
8    <refname>FE_DISEQC_SEND_BURST</refname>
9    <refpurpose>Sends a 22KHz tone burst for 2x1 mini DiSEqC satellite selection.</refpurpose>
10  </refnamediv>
11
12  <refsynopsisdiv>
13    <funcsynopsis>
14      <funcprototype>
15	<funcdef>int <function>ioctl</function></funcdef>
16	<paramdef>int <parameter>fd</parameter></paramdef>
17	<paramdef>int <parameter>request</parameter></paramdef>
18	<paramdef>enum fe_sec_mini_cmd *<parameter>tone</parameter></paramdef>
19      </funcprototype>
20    </funcsynopsis>
21  </refsynopsisdiv>
22
23  <refsect1>
24    <title>Arguments</title>
25        <variablelist>
26      <varlistentry>
27	<term><parameter>fd</parameter></term>
28	<listitem>
29	  <para>&fe_fd;</para>
30	</listitem>
31      </varlistentry>
32      <varlistentry>
33	<term><parameter>request</parameter></term>
34	<listitem>
35	  <para>FE_DISEQC_SEND_BURST</para>
36	</listitem>
37      </varlistentry>
38      <varlistentry>
39	<term><parameter>tone</parameter></term>
40	<listitem>
41	  <para>pointer to &fe-sec-mini-cmd;</para>
42	</listitem>
43      </varlistentry>
44    </variablelist>
45  </refsect1>
46
47  <refsect1>
48    <title>Description</title>
49
50<para>This ioctl is used to set the generation of a 22kHz tone burst for mini
51    DiSEqC satellite
52    selection for 2x1 switches.
53    This call requires read/write permissions.</para>
54<para>It provides support for what's specified at
55    <ulink url="http://www.eutelsat.com/files/contributed/satellites/pdf/Diseqc/associated%20docs/simple_tone_burst_detec.pdf">Digital Satellite Equipment Control
56	(DiSEqC) - Simple "ToneBurst" Detection Circuit specification.</ulink>
57    </para>
58&return-value-dvb;
59</refsect1>
60
61<refsect1 id="fe-sec-mini-cmd-t">
62<title>enum fe_sec_mini_cmd</title>
63
64<table pgwide="1" frame="none" id="fe-sec-mini-cmd">
65    <title>enum fe_sec_mini_cmd</title>
66    <tgroup cols="2">
67	&cs-def;
68	<thead>
69	<row>
70	    <entry>ID</entry>
71	    <entry>Description</entry>
72	</row>
73	</thead>
74	<tbody valign="top">
75	<row>
76	    <entry align="char" id="SEC-MINI-A"><constant>SEC_MINI_A</constant></entry>
77	    <entry align="char">Sends a mini-DiSEqC 22kHz '0' Tone Burst to
78		select satellite-A</entry>
79	</row><row>
80	    <entry align="char" id="SEC-MINI-B"><constant>SEC_MINI_B</constant></entry>
81	    <entry align="char">Sends a mini-DiSEqC 22kHz '1' Data Burst to
82		select satellite-B</entry>
83	</row>
84        </tbody>
85    </tgroup>
86</table>
87</refsect1>
88
89</refentry>
90