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Markus Heiser5377d912016-06-30 15:18:56 +02001.. -*- coding: utf-8; mode: rst -*-
2
3.. _FE_DISEQC_RECV_SLAVE_REPLY:
4
5********************************
6ioctl FE_DISEQC_RECV_SLAVE_REPLY
7********************************
8
Mauro Carvalho Chehab15e7d612016-07-05 15:14:35 -03009Name
Mauro Carvalho Chehab586027c2016-07-05 07:58:48 -030010====
Markus Heiser5377d912016-06-30 15:18:56 +020011
Mauro Carvalho Chehab586027c2016-07-05 07:58:48 -030012FE_DISEQC_RECV_SLAVE_REPLY - Receives reply from a DiSEqC 2.0 command
Markus Heiser5377d912016-06-30 15:18:56 +020013
Mauro Carvalho Chehab15e7d612016-07-05 15:14:35 -030014
15Synopsis
Markus Heiser5377d912016-06-30 15:18:56 +020016========
17
Mauro Carvalho Chehabb7e67f62016-07-02 09:49:16 -030018.. cpp:function:: int ioctl( int fd, int request, struct dvb_diseqc_slave_reply *argp )
Markus Heiser5377d912016-06-30 15:18:56 +020019
Mauro Carvalho Chehab586027c2016-07-05 07:58:48 -030020
Mauro Carvalho Chehab15e7d612016-07-05 15:14:35 -030021Arguments
Markus Heiser5377d912016-06-30 15:18:56 +020022=========
23
24``fd``
25 File descriptor returned by :ref:`open() <frontend_f_open>`.
26
27``request``
28 FE_DISEQC_RECV_SLAVE_REPLY
29
30``argp``
31 pointer to struct
32 :ref:`dvb_diseqc_slave_reply <dvb-diseqc-slave-reply>`
33
34
Mauro Carvalho Chehab15e7d612016-07-05 15:14:35 -030035Description
Markus Heiser5377d912016-06-30 15:18:56 +020036===========
37
38Receives reply from a DiSEqC 2.0 command.
39
Markus Heiser5377d912016-06-30 15:18:56 +020040.. _dvb-diseqc-slave-reply:
41
Mauro Carvalho Chehabfc833982016-07-05 11:36:55 -030042struct dvb_diseqc_slave_reply
43-----------------------------
44
Markus Heiser5377d912016-06-30 15:18:56 +020045.. flat-table:: struct dvb_diseqc_slave_reply
46 :header-rows: 0
47 :stub-columns: 0
48 :widths: 1 1 2
49
50
51 - .. row 1
52
53 - uint8_t
54
55 - msg[4]
56
57 - DiSEqC message (framing, data[3])
58
59 - .. row 2
60
61 - uint8_t
62
63 - msg_len
64
65 - Length of the DiSEqC message. Valid values are 0 to 4, where 0
Mauro Carvalho Chehab0579e6e2016-07-04 16:25:48 -030066 means no msg
Markus Heiser5377d912016-06-30 15:18:56 +020067
68 - .. row 3
69
70 - int
71
72 - timeout
73
74 - Return from ioctl after timeout ms with errorcode when no message
Mauro Carvalho Chehab0579e6e2016-07-04 16:25:48 -030075 was received
Mauro Carvalho Chehabfc833982016-07-05 11:36:55 -030076
Mauro Carvalho Chehab15e7d612016-07-05 15:14:35 -030077
78Return Value
Mauro Carvalho Chehabfc833982016-07-05 11:36:55 -030079============
80
81On success 0 is returned, on error -1 and the ``errno`` variable is set
82appropriately. The generic error codes are described at the
83:ref:`Generic Error Codes <gen-errors>` chapter.