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Xenomai API
2.6.3
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Structure containing device-information useful to users. More...
Data Fields | |
| char | board_name [A4L_NAMELEN] |
| Board name. | |
| int | nb_subd |
| Subdevices count. | |
| int | idx_read_subd |
| Input subdevice index. | |
| int | idx_write_subd |
| Output subdevice index. | |
| int | fd |
| File descriptor. | |
| unsigned int | magic |
| Opaque field. | |
| int | sbsize |
| Data buffer size. | |
| void * | sbdata |
| Data buffer pointer. | |
Structure containing device-information useful to users.
| char a4l_descriptor::board_name[A4L_NAMELEN] |
Board name.
| int a4l_descriptor::fd |
File descriptor.
Referenced by a4l_async_read(), a4l_async_write(), a4l_close(), a4l_fill_desc(), a4l_get_bufsize(), a4l_mark_bufrw(), a4l_mmap(), a4l_open(), a4l_poll(), a4l_set_bufsize(), a4l_snd_cancel(), a4l_snd_command(), a4l_snd_insn(), and a4l_snd_insnlist().
| int a4l_descriptor::idx_read_subd |
Input subdevice index.
Referenced by a4l_async_read().
| int a4l_descriptor::idx_write_subd |
Output subdevice index.
Referenced by a4l_async_write().
| unsigned int a4l_descriptor::magic |
Opaque field.
Referenced by a4l_fill_desc(), a4l_find_range(), a4l_get_chinfo(), a4l_get_rnginfo(), a4l_get_subdinfo(), and a4l_sys_desc().
| int a4l_descriptor::nb_subd |
Subdevices count.
Referenced by a4l_get_chinfo(), a4l_get_rnginfo(), and a4l_get_subdinfo().
| void* a4l_descriptor::sbdata |
Data buffer pointer.
Referenced by a4l_get_chinfo(), a4l_get_rnginfo(), a4l_get_subdinfo(), and a4l_sys_desc().
| int a4l_descriptor::sbsize |
Data buffer size.
Referenced by a4l_sys_desc().