86 lines
1.5 KiB
ReStructuredText
86 lines
1.5 KiB
ReStructuredText
.. -*- 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
|
|
========
|
|
|
|
.. c: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.
|