| .. -*- coding: utf-8; mode: rst -*- |
| |
| .. _FE_DISEQC_SEND_MASTER_CMD: |
| |
| ******************************* |
| ioctl FE_DISEQC_SEND_MASTER_CMD |
| ******************************* |
| |
| Name |
| ==== |
| |
| FE_DISEQC_SEND_MASTER_CMD - Sends a DiSEqC command |
| |
| |
| Synopsis |
| ======== |
| |
| .. c:function:: int ioctl( int fd, FE_DISEQC_SEND_MASTER_CMD, struct dvb_diseqc_master_cmd *argp ) |
| :name: FE_DISEQC_SEND_MASTER_CMD |
| |
| |
| Arguments |
| ========= |
| |
| ``fd`` |
| File descriptor returned by :ref:`open() <frontend_f_open>`. |
| |
| ``argp`` |
| pointer to struct |
| :c:type:`dvb_diseqc_master_cmd` |
| |
| |
| Description |
| =========== |
| |
| Sends a DiSEqC command to the antenna subsystem. |
| |
| |
| .. c:type:: dvb_diseqc_master_cmd |
| |
| .. tabularcolumns:: |p{4.4cm}|p{4.4cm}|p{8.7cm}| |
| |
| .. flat-table:: struct dvb_diseqc_master_cmd |
| :header-rows: 0 |
| :stub-columns: 0 |
| :widths: 1 1 2 |
| |
| |
| - .. row 1 |
| |
| - uint8_t |
| |
| - msg[6] |
| |
| - DiSEqC message (framing, address, command, data[3]) |
| |
| - .. row 2 |
| |
| - uint8_t |
| |
| - msg_len |
| |
| - Length of the DiSEqC message. Valid values are 3 to 6 |
| |
| 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. |
| |
