Re: comedi_calibrate pegs DACs

I applied the patch to my 0.72 version of comedilib and it worked.  I 
can provide the output if it would be useful to anyone.  Thanks for your 
support, Frank.

Frank Mori Hess wrote:
> On Thursday 02 February 2006 08:48 am, you wrote:
> 
>>Frank:
>>
>>Here's the command I used:
>>
>>comedi_calibrate  -v --calibrate --results /dev/comedi0 2>&1 >
>>comcal.txt
>>
>>and the file is attached.  I'd be glad to do anything else necessary to
>>help.
>>
> 
> 
> Thanks.  Your calibration actually doesn't look too bad, it is just the 
> fine postgain offset and fine gain caldacs which can't quite get where 
> they want to be.  I think it is due to them not getting reset before the 
> corresponding coarse caldac is set.  Would you try cvs now?  Or, just 
> apply this patch:
> 
> http://www.comedi.org/cgi-bin/viewcvs.cgi/comedilib/comedi_calibrate/ni.c?r1=1.138&r2=1.139
> 
> BTW, if I'm right, you should be able to work around this bug by using the 
> --reset option.
> 

Received on 2006-02-03Z14:37:34