Based on kernel version 4.7.2. Page generated on 2016-08-22 22:44 EST.
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>