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1 | .. -*- coding: utf-8; mode: rst -*- |
2 | ||
3 | .. _FE_DISEQC_RECV_SLAVE_REPLY: | |
4 | ||
5 | ******************************** | |
6 | ioctl FE_DISEQC_RECV_SLAVE_REPLY | |
7 | ******************************** | |
8 | ||
15e7d615 | 9 | Name |
586027ce | 10 | ==== |
5377d91f | 11 | |
586027ce | 12 | FE_DISEQC_RECV_SLAVE_REPLY - Receives reply from a DiSEqC 2.0 command |
5377d91f | 13 | |
15e7d615 MCC |
14 | |
15 | Synopsis | |
5377d91f MH |
16 | ======== |
17 | ||
b7e67f6c | 18 | .. cpp:function:: int ioctl( int fd, int request, struct dvb_diseqc_slave_reply *argp ) |
5377d91f | 19 | |
586027ce | 20 | |
15e7d615 | 21 | Arguments |
5377d91f MH |
22 | ========= |
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 | ||
15e7d615 | 35 | Description |
5377d91f MH |
36 | =========== |
37 | ||
38 | Receives reply from a DiSEqC 2.0 command. | |
39 | ||
5377d91f MH |
40 | .. _dvb-diseqc-slave-reply: |
41 | ||
fc833980 MCC |
42 | struct dvb_diseqc_slave_reply |
43 | ----------------------------- | |
44 | ||
5377d91f MH |
45 | .. 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 | ||
8968da9b | 55 | - msg[4] |
5377d91f | 56 | |
8968da9b | 57 | - DiSEqC message (framing, data[3]) |
5377d91f MH |
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 | |
0579e6e3 | 66 | means no msg |
5377d91f MH |
67 | |
68 | - .. row 3 | |
69 | ||
70 | - int | |
71 | ||
72 | - timeout | |
73 | ||
74 | - Return from ioctl after timeout ms with errorcode when no message | |
0579e6e3 | 75 | was received |
fc833980 | 76 | |
15e7d615 MCC |
77 | |
78 | Return Value | |
fc833980 MCC |
79 | ============ |
80 | ||
81 | On success 0 is returned, on error -1 and the ``errno`` variable is set | |
82 | appropriately. The generic error codes are described at the | |
83 | :ref:`Generic Error Codes <gen-errors>` chapter. |