Analogy for Linux, command, transfer, etc. More...
Functions | |
| int | a4l_snd_command (a4l_desc_t *dsc, a4l_cmd_t *cmd) |
| Send a command to an Analoy device. More... | |
| int | a4l_snd_cancel (a4l_desc_t *dsc, unsigned int idx_subd) |
| Cancel an asynchronous acquisition. More... | |
| int | a4l_set_bufsize (a4l_desc_t *dsc, unsigned int idx_subd, unsigned long size) |
| Change the size of the asynchronous buffer. More... | |
| int | a4l_get_bufsize (a4l_desc_t *dsc, unsigned int idx_subd, unsigned long *size) |
| Get the size of the asynchronous buffer. More... | |
| int | a4l_mark_bufrw (a4l_desc_t *dsc, unsigned int idx_subd, unsigned long cur, unsigned long *new) |
| Update the asynchronous buffer state. More... | |
| int | a4l_poll (a4l_desc_t *dsc, unsigned int idx_subd, unsigned long ms_timeout) |
| Get the available data count. More... | |
| int | a4l_mmap (a4l_desc_t *dsc, unsigned int idx_subd, unsigned long size, void **ptr) |
| Map the asynchronous ring-buffer into a user-space. More... | |
| int | a4l_async_read (a4l_desc_t *dsc, void *buf, size_t nbyte, unsigned long ms_timeout) |
| Perform asynchronous read operation on the analog input subdevice. More... | |
| int | a4l_async_write (a4l_desc_t *dsc, void *buf, size_t nbyte, unsigned long ms_timeout) |
| Perform asynchronous write operation on the analog input subdevice. More... | |
Detailed Description
Analogy for Linux, command, transfer, etc.
related features
- Note
- Copyright (C) 1997-2000 David A. Schleef ds@schleef.org
- Copyright (C) 2008 Alexis Berlemont alexis.berlemont@free.fr
This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
