| .. -*- 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 |
| ======== |
| |
| .. cpp: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 |
| ----------------------------- |
| |
| .. 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. |