Re: comedi_calibrate pegs DACs

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On Monday 01 November 2004 12:18 pm, Michael Thomas wrote:
> I just ran comedi_calibrate, and it pushed some of the DACs on my NI
> PCI-6052E to max/min values.  Now the AI samples are centered on ground,
> but the gain appears to be slightly too high.  Suggestions?
>
>  
>
> Michael Thomas
>
> failed to open file /etc/comedi/calibrations/ni_pcimio_pci-6052e_comedi0
> for writing calibration function returned error
> eeprom reference lsb=77 msb=2
> resulting reference voltage: 5.00059
> Id: comedi_calibrate.c,v 1.84 2003/06/12 19:57:43 fmhess Exp
> Driver name: ni_pcimio
> Device name: pci-6052e
> Id: ni.c,v 1.80 2003/05/25 21:11:20 fmhess Exp

You're using a version of comedilib from mid 2003.  Use comedilib 0.7.22.

- -- 
Frank

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Received on 2004-11-01Z22:55:27