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.. -*- coding: utf-8; mode: rst -*-
.. _FE_DISEQC_RECV_SLAVE_REPLY:
********************************
ioctl FE_DISEQC_RECV_SLAVE_REPLY
********************************
Name
====
FE_DISEQC_RECV_SLAVE_REPLY - Receives reply from a DiSEqC 2.0 command
Synopsis
========
.. cpp:function:: int ioctl( int fd, int request, struct dvb_diseqc_slave_reply *argp )
Arguments
=========
``fd``
File descriptor returned by :ref:`open() <frontend_f_open>`.
``request``
FE_DISEQC_RECV_SLAVE_REPLY
``argp``
pointer to struct
:ref:`dvb_diseqc_slave_reply <dvb-diseqc-slave-reply>`
Description
===========
Receives reply from a DiSEqC 2.0 command.
.. _dvb-diseqc-slave-reply:
struct dvb_diseqc_slave_reply
-----------------------------
.. tabularcolumns:: |p{4.4cm}|p{4.4cm}|p{8.7cm}|
.. flat-table:: struct dvb_diseqc_slave_reply
:header-rows: 0
:stub-columns: 0
:widths: 1 1 2
- .. row 1
- uint8_t
- msg[4]
- DiSEqC message (framing, data[3])
- .. row 2
- uint8_t
- msg_len
- Length of the DiSEqC message. Valid values are 0 to 4, where 0
means no msg
- .. row 3
- int
- timeout
- Return from ioctl after timeout ms with errorcode when no message
was received
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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