76 lines
1.3 KiB
ReStructuredText
76 lines
1.3 KiB
ReStructuredText
.. -*- 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, int request, struct dvb_diseqc_master_cmd *argp )
|
|
|
|
|
|
Arguments
|
|
=========
|
|
|
|
``fd``
|
|
File descriptor returned by :ref:`open() <frontend_f_open>`.
|
|
|
|
``request``
|
|
FE_DISEQC_SEND_MASTER_CMD
|
|
|
|
``argp``
|
|
pointer to struct
|
|
:ref:`dvb_diseqc_master_cmd <dvb-diseqc-master-cmd>`
|
|
|
|
|
|
Description
|
|
===========
|
|
|
|
Sends a DiSEqC command to the antenna subsystem.
|
|
|
|
.. _dvb-diseqc-master-cmd:
|
|
|
|
struct 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.
|
|
|