Re: non blocking read

On Wed, Jun 19, 2002 at 04:19:55PM +0200, Manuel Perez wrote:
> I'm observing that comedi_get_front_count() return 0 bytes while the
> acquisition is taking place.When this one is finished then 
> comedi_get_front_count() return the full acquisition size in bytes.

Perhaps you're just noticing that most Comedi drivers have a
default chunk size in the hundreds or thousands of bytes.

> I put also a call to comedi_poll(...) before calling comedi_get_front_count()
> but without change in the behavior.

Not every driver supports comedi_poll().



dave...

Received on 2002-06-19Z17:05:03