Re: comedi_calibrate

you might check out the file "ni.c" in the /comedilib/comedi_calibrate
directory.
it says that the status on ni-pci-6024e is "STATUS_SOME," which probably
explains why the comedi_calibrate recognizes your card, but can't write
the calibration...
jon

On Fri, 2003-08-29 at 10:16, jose.3_at_wright.edu wrote:
> I was able to install Comedi, and it detected the 6024E card,  Thanks for the 
> suggestion of  /usr/local/sbin not /usr/sbin.
> 
> Now the problem face is while executing
> 
> comedi_calibrate --file /dev/comedi0 -v
> 
> the following error message is displayed
> failed to open file /etc/comedi/calibrations/ni_pcimio_pci-6024e_comedi0 for 
> writing
> calibration function returned error
> 
> 
> following is the text from the command prompt
> 
> ...#  comedi_calibrate --file /dev/comedi0 -v
> eeprom reference lsb=50 msb=0
> resulting reference voltage: 5.00005
> Warning: device may not be not fully calibrated due to insufficient 
> information.
> Please file a bug report at http://bugs.comedi.org/ and attach this output.
> This output will also allow comedi_calibrate to execute more
> quickly in the future.
> Id: comedi_calibrate.c,v 1.84 2003/06/12 19:57:43 fmhess Exp
> Driver name: ni_pcimio
> Device name: pci-6024e
> Id: ni.c,v 1.80 2003/05/25 21:11:20 fmhess Exp
> Comedi version: 0.7.66
> ai, bipolar zero offset, low gain
> reading -8.065(86)e-3, target 0
> caldac[0] gain=-1.205(11)e-4 V/bit S_min=4.11631 dof=14
> caldac[4] gain=-7.738(11)e-4 V/bit S_min=3.89486 dof=14
> ai, bipolar zero offset, high gain
> reading -6.00282(61)e-3, target 0
> caldac[0] gain=-1.181606(82)e-4 V/bit S_min=244.86 dof=14
> caldac[2] gain=6.951(83)e-7 V/bit S_min=1.17808 dof=14
> caldac[4] gain=-3.8394(82)e-6 V/bit S_min=4.22323 dof=14
> caldac[8] gain=-2.0187(82)e-6 V/bit S_min=7.96373 dof=14
> ai, bipolar voltage reference, low gain
> reading 4.999876(78), target 5.00005
> caldac[0] gain=-1.191(11)e-4 V/bit S_min=2.7496 dof=14
> caldac[2] gain=-5.553(11)e-4 V/bit S_min=21.7924 dof=14
> caldac[4] gain=-7.643(11)e-4 V/bit S_min=31.4802 dof=14
> ao 0, zero offset, low gain
> reading -0.015310(85), target 0.002442
> caldac[0] gain=-1.181(11)e-4 V/bit S_min=2.05501 dof=14
> caldac[2] gain=4.7(11)e-6 V/bit S_min=0.924794 dof=14
> caldac[4] gain=-7.744(11)e-4 V/bit S_min=5.99614 dof=14
> caldac[6] gain=-7.650(11)e-4 V/bit S_min=3.19512 dof=14
> caldac[10] gain=-1.146(11)e-4 V/bit S_min=1.30348 dof=14
> ao 0, reference voltage, low gain
> reading 4.994854(81), target 4.99878
> caldac[0] gain=-1.194(11)e-4 V/bit S_min=2.29042 dof=14
> caldac[2] gain=-5.545(11)e-4 V/bit S_min=11.1225 dof=14
> caldac[4] gain=-7.647(11)e-4 V/bit S_min=32.1549 dof=14
> caldac[6] gain=-7.543(11)e-4 V/bit S_min=34.6946 dof=14
> caldac[10] gain=-1.546(11)e-4 V/bit S_min=2.36513 dof=14
> caldac[11] gain=-1.631(11)e-4 V/bit S_min=1.83609 dof=14
> ao 0, linearity (negative), low gain
> reading -5.030468(82), target -4.99878
> caldac[0] gain=-1.181(11)e-4 V/bit S_min=1.37461 dof=14
> caldac[2] gain=5.701(11)e-4 V/bit S_min=57.3846 dof=14
> caldac[4] gain=-7.659(11)e-4 V/bit S_min=35.3807 dof=14
> caldac[6] gain=-7.561(11)e-4 V/bit S_min=32.0386 dof=14
> caldac[10] gain=-1.058(11)e-4 V/bit S_min=1.75661 dof=14
> caldac[11] gain=1.619(11)e-4 V/bit S_min=0.576117 dof=14
> ao 1, zero offset, low gain
> reading -4.288(83)e-3, target 0.002442
> caldac[0] gain=-1.206(11)e-4 V/bit S_min=3.11012 dof=14
> caldac[1] gain=-1.187(11)e-4 V/bit S_min=2.2716 dof=14
> caldac[4] gain=-7.741(11)e-4 V/bit S_min=4.72968 dof=14
> caldac[9] gain=-7.805(11)e-4 V/bit S_min=5.17644 dof=14
> ao 1, reference voltage, low gain
> reading 5.007297(84), target 4.99878
> caldac[0] gain=-1.197(11)e-4 V/bit S_min=2.771 dof=14
> caldac[1] gain=-1.564(11)e-4 V/bit S_min=2.73474 dof=14
> caldac[2] gain=-5.551(11)e-4 V/bit S_min=25.0901 dof=14
> caldac[4] gain=-7.635(11)e-4 V/bit S_min=24.0575 dof=14
> caldac[5] gain=-1.637(11)e-4 V/bit S_min=2.82734 dof=14
> caldac[9] gain=-7.692(11)e-4 V/bit S_min=23.023 dof=14
> ao 1, linearity (negative), low gain
> reading -5.018706(84), target -4.99878
> caldac[0] gain=-1.180(11)e-4 V/bit S_min=0.938202 dof=14
> caldac[1] gain=-1.066(11)e-4 V/bit S_min=1.31861 dof=14
> caldac[2] gain=5.664(11)e-4 V/bit S_min=68.1678 dof=14
> caldac[4] gain=-7.651(11)e-4 V/bit S_min=34.6418 dof=14
> caldac[5] gain=1.622(11)e-4 V/bit S_min=1.29742 dof=14
> caldac[9] gain=-7.707(11)e-4 V/bit S_min=27.6992 dof=14
> relative binary: ai, bipolar zero offset, low gain, ai, bipolar voltage 
> reference, low gain
> caldac[2] set to 141
> relative binary: ai, bipolar zero offset, low gain, ai, bipolar zero offset, 
> high gain
> caldac[4] set to 123
> binary: ai, bipolar zero offset, high gain
> caldac[8] set to 0
> WARNING: caldac[8] pegged!
> binary: ai, bipolar zero offset, high gain
> caldac[0] set to 79
> postgain linearity: ao 0, linearity (negative), low gain,
> ao 0, zero offset, low gain,
> ao 0, reference voltage, low gain
> caldac[10] set to 126
> binary: ao 0, zero offset, low gain
> caldac[6] set to 115
> binary: ao 0, reference voltage, low gain
> caldac[11] set to 168
> postgain linearity: ao 1, linearity (negative), low gain,
> ao 1, zero offset, low gain,
> ao 1, reference voltage, low gain
> caldac[1] set to 173
> binary: ao 1, zero offset, low gain
> caldac[9] set to 123
> binary: ao 1, reference voltage, low gain
> caldac[5] set to 160
> failed to open file /etc/comedi/calibrations/ni_pcimio_pci-6024e_comedi0 for 
> writing
> calibration function returned error
> 
> 
> binary: ao 1, zero offset, low gain
> caldac[9] set to 123
> binary: ao 1, reference voltage, low gain
> caldac[5] set to 160
> failed to open file /etc/comedi/calibrations/ni_pcimio_pci-6024e_comedi0 for 
> writing
> calibration function returned error
> 
> 
> 
> 
> Smita.
> 
> 
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>

Received on 2003-08-29Z09:37:26