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1 | .. -*- coding: utf-8; mode: rst -*- |
2 | ||
3 | .. _FE_DISEQC_SEND_MASTER_CMD: | |
4 | ||
5 | ******************************* | |
6 | ioctl FE_DISEQC_SEND_MASTER_CMD | |
7 | ******************************* | |
8 | ||
15e7d615 | 9 | Name |
586027ce | 10 | ==== |
5377d91f | 11 | |
586027ce | 12 | FE_DISEQC_SEND_MASTER_CMD - Sends a DiSEqC command |
5377d91f | 13 | |
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14 | |
15 | Synopsis | |
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16 | ======== |
17 | ||
b7e67f6c | 18 | .. cpp:function:: int ioctl( int fd, int request, struct dvb_diseqc_master_cmd *argp ) |
5377d91f | 19 | |
586027ce | 20 | |
15e7d615 | 21 | Arguments |
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22 | ========= |
23 | ||
24 | ``fd`` | |
25 | File descriptor returned by :ref:`open() <frontend_f_open>`. | |
26 | ||
27 | ``request`` | |
28 | FE_DISEQC_SEND_MASTER_CMD | |
29 | ||
30 | ``argp`` | |
31 | pointer to struct | |
32 | :ref:`dvb_diseqc_master_cmd <dvb-diseqc-master-cmd>` | |
33 | ||
34 | ||
15e7d615 | 35 | Description |
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36 | =========== |
37 | ||
38 | Sends a DiSEqC command to the antenna subsystem. | |
39 | ||
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40 | .. _dvb-diseqc-master-cmd: |
41 | ||
5929cb17 MCC |
42 | struct dvb_diseqc_master_cmd |
43 | ============================ | |
44 | ||
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45 | .. flat-table:: struct dvb_diseqc_master_cmd |
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[6] |
5377d91f | 56 | |
8968da9b | 57 | - DiSEqC message (framing, address, command, data[3]) |
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58 | |
59 | - .. row 2 | |
60 | ||
61 | - uint8_t | |
62 | ||
63 | - msg_len | |
64 | ||
65 | - Length of the DiSEqC message. Valid values are 3 to 6 | |
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66 | |
67 | Return Value | |
68 | ============ | |
69 | ||
70 | On success 0 is returned, on error -1 and the ``errno`` variable is set | |
71 | appropriately. The generic error codes are described at the | |
72 | :ref:`Generic Error Codes <gen-errors>` chapter. | |
73 |