1.. -*- coding: utf-8; mode: rst -*-
2
3.. _FE_DISEQC_SEND_BURST:
4
5**************************
6ioctl FE_DISEQC_SEND_BURST
7**************************
8
9Name
10====
11
12FE_DISEQC_SEND_BURST - Sends a 22KHz tone burst for 2x1 mini DiSEqC satellite selection.
13
14
15Synopsis
16========
17
18.. c:function:: int ioctl( int fd, FE_DISEQC_SEND_BURST, enum fe_sec_mini_cmd tone )
19    :name: FE_DISEQC_SEND_BURST
20
21
22Arguments
23=========
24
25``fd``
26    File descriptor returned by :ref:`open() <frontend_f_open>`.
27
28``tone``
29    An integer enumered value described at :c:type:`fe_sec_mini_cmd`.
30
31
32Description
33===========
34
35This ioctl is used to set the generation of a 22kHz tone burst for mini
36DiSEqC satellite selection for 2x1 switches. This call requires
37read/write permissions.
38
39It provides support for what's specified at
40`Digital Satellite Equipment Control (DiSEqC) - Simple "ToneBurst" Detection Circuit specification. <http://www.eutelsat.com/files/contributed/satellites/pdf/Diseqc/associated%20docs/simple_tone_burst_detec.pdf>`__
41
42
43Return Value
44============
45
46On success 0 is returned.
47
48On error -1 is returned, and the ``errno`` variable is set
49appropriately.
50
51Generic error codes are described at the
52:ref:`Generic Error Codes <gen-errors>` chapter.
53