- From: Jan Gukelberger <g.u.g.i_at_gmx.de>
- Date: Wed, 20 Sep 2006 00:17:31 +0200
Hi Wensheng, On Tue, 2006-09-19 at 16:04 +1000, Wensheng Wang wrote: > Hi guys, > I am working with comedi but have problems now. > I tried to use select() call to scan data incoming, it > seemed that I always got timeout and the device file > change couldn't be reported (my digital I/O card > doesn't support comedi_command). I'm not sure what you are trying to do. If your card does not support commands, you cannot "wait for data". You can read the state of a digital input channel via comedi_dio_read(). Regards, Jan
Received on 2006-09-19Z21:17:31