- From: Apodaca, Bob <bob_at_phxlab.honeywell.com>
- Date: Tue, 31 Jan 2006 10:35:45 -0700
I saw someone else had a warning about over-scaling during calibration in Nov 2004 and the suggestion was to start using comedilib 0.7.22. I have a system using comedi 0.7.68 and comedilib 0.7.22 with an NI PCI-6033e card (P/N 777516-01). As a side, do I need to call comedi_calibrate for each channel? Here is the output of comedi_calibrate: $ comedi_calibrate --calibrate /dev/comedi0 eeprom reference lsb=226 msb=1 resulting reference voltage: 5.00048 Id: comedi_calibrate.c,v 1.92 2004/03/29 01:34:15 fmhess Exp Driver name: ni_pcimio Device name: pci-6033e Id: ni.c,v 1.130 2004/09/09 21:43:16 fmhess Exp Comedi version: 0.7.68 relative binary: ai, bipolar zero offset, low gain, ai, bipolar voltage reference, low gain caldac[0] set to 133 relative binary: ai, bipolar zero offset, low gain, ai, bipolar zero offset, high gain caldac[2] set to 146 relative binary: ai, bipolar zero offset, low gain, ai, bipolar zero offset, high gain caldac[3] set to 168 binary: ai, bipolar zero offset, high gain caldac[8] set to 1811 relative binary: ai, bipolar zero offset, low gain, ai, bipolar voltage reference, low gain caldac[1] set to 131 binary peg: ai, unipolar zero offset, low gain caldac[8] set to 4095 binary peg: ai, unipolar zero offset, low gain caldac[2] set to 255 relative binary: ai, unipolar zero offset, low gain, ai, unipolar voltage reference, low gain caldac[0] set to 141 relative binary: ai, unipolar zero offset, low gain, ai, unipolar zero offset, high gain caldac[2] set to 145 relative binary: ai, unipolar zero offset, low gain, ai, unipolar zero offset, high gain caldac[3] set to 255 WARNING: caldac[3] pegged! binary: ai, unipolar zero offset, high gain caldac[8] set to 1805 relative binary: ai, unipolar zero offset, low gain, ai, unipolar voltage reference, low gain caldac[1] set to 1 writing calibration to /var/lib/comedi/calibrations/ni_pcimio_pci-6033e_comedi0 Applied calibration for subdevice 0, channel 0, range 0, aref 0
Received on 2006-01-31Z17:35:45