- From: David Schleef <ds_at_schleef.org>
- Date: Mon, 26 Aug 2002 22:43:01 -0700
On Tue, Aug 27, 2002 at 02:48:12PM +1200, David Antliff wrote:
>
> Hi, I'm pretty new to Comedi but I'm picking it up fairly quickly, however
> one problem has me a bit stumped...
>
> I have made a few simple modifications to the cmd.c example provided with
> comedilib-0.7.19. Originally it reads data from 4 channels, and I modified
> it to read data from the 16 channels (subdevice 0). The first 8 channels
> (0 to 7) work perfectly, however the last 8 (8 to 15) decend rapidly to
> zero ('0') and remain there for the duration of the acquisition. The
> channels have ac signals applied, or are grounded, so I would have
> expected to see them oscillate or remain constant somewhere around
> 32768...
Sounds like you have your breakout box configured incorrectly.
dave...
Received on 2002-08-27Z04:43:01