a4l_cmd_desc Struct Reference
[Asynchronous acquisition API]


Detailed Description

Structure describing the asynchronous instruction.

See also:
a4l_snd_command()

Data Fields

unsigned char idx_subd
 Subdevice to which the command will be applied.
unsigned long flags
 Command flags.
unsigned int start_src
 Start trigger type.
unsigned int start_arg
 Start trigger argument.
unsigned int scan_begin_src
 Scan begin trigger type.
unsigned int scan_begin_arg
 Scan begin trigger argument.
unsigned int convert_src
 Convert trigger type.
unsigned int convert_arg
 Convert trigger argument.
unsigned int scan_end_src
 Scan end trigger type.
unsigned int scan_end_arg
 Scan end trigger argument.
unsigned int stop_src
 Stop trigger type.
unsigned int stop_arg
 Stop trigger argument.
unsigned char nb_chan
 Count of channels related with the command.
unsigned int * chan_descs
 Tab containing channels descriptors.
unsigned int data_len
 Driver specific buffer size.
sampl_t * data
 Driver specific buffer pointer.

Field Documentation

unsigned char a4l_cmd_desc::idx_subd

Subdevice to which the command will be applied.


The documentation for this struct was generated from the following file:

Generated on Tue Mar 8 13:02:09 2011 for Xenomai API by  doxygen 1.5.6