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.. -*- coding: utf-8; mode: rst -*-
.. _FE_DISEQC_SEND_MASTER_CMD:
*******************************
ioctl FE_DISEQC_SEND_MASTER_CMD
*******************************
Name
====
FE_DISEQC_SEND_MASTER_CMD - Sends a DiSEqC command
Synopsis
========
.. c:function:: int ioctl( int fd, FE_DISEQC_SEND_MASTER_CMD, struct dvb_diseqc_master_cmd *argp )
:name: FE_DISEQC_SEND_MASTER_CMD
Arguments
=========
``fd``
File descriptor returned by :ref:`open() <frontend_f_open>`.
``argp``
pointer to struct
:c:type:`dvb_diseqc_master_cmd`
Description
===========
Sends a DiSEqC command to the antenna subsystem.
.. c:type:: dvb_diseqc_master_cmd
.. tabularcolumns:: |p{4.4cm}|p{4.4cm}|p{8.7cm}|
.. flat-table:: struct dvb_diseqc_master_cmd
:header-rows: 0
:stub-columns: 0
:widths: 1 1 2
- .. row 1
- uint8_t
- msg[6]
- DiSEqC message (framing, address, command, data[3])
- .. row 2
- uint8_t
- msg_len
- Length of the DiSEqC message. Valid values are 3 to 6
Return Value
============
On success 0 is returned, on error -1 and the ``errno`` variable is set
appropriately. The generic error codes are described at the
:ref:`Generic Error Codes <gen-errors>` chapter.
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