pruned some dead code
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1 changed files with 0 additions and 119 deletions
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@ -5,12 +5,6 @@
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copyright (C) 1999,2000,2001,2002 by David Schleef
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copyright (C) 2003 by Frank Mori Hess
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A few things need improvement here:
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- current system gets "close", but doesn't
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do any fine-tuning
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- statistics would be nice, to show how good
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the calibration is.
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- more portable
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*/
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/***************************************************************************
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@ -643,32 +637,6 @@ static int cal_ni_at_mio_16e_2(calibration_setup_t *setup)
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return cal_ni_generic( setup, &layout );
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}
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/*
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* Device name: DAQCard-ai-16xe-50
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* Comedi version: 0.7.60
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* ai, bipolar zero offset, low gain
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* offset 5.87(63)e-3, target 0
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* caldac[0] gain=-2.243(21)e-6 V/bit S_min=208.079 dof=254
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* caldac[2] gain=1.56378(22)e-4 V/bit S_min=1782.91 dof=254
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* caldac[8] gain=2.499(14)e-7 V/bit S_min=234.915 dof=254
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* ai, bipolar zero offset, high gain
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* offset 4.251(49)e-5, target 0
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* caldac[0] gain=-2.396(30)e-8 V/bit S_min=231.387 dof=254
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* caldac[2] gain=1.56428(28)e-6 V/bit S_min=829.096 dof=254
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* caldac[8] gain=2.61244(18)e-7 V/bit S_min=773.092 dof=254
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* ai, bipolar voltage reference, low gain
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* offset 4.99650(81), target 5
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* caldac[0] gain=-3.78250(23)e-4 V/bit S_min=12207.6 dof=254
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* caldac[1] gain=-9.878(22)e-6 V/bit S_min=346.795 dof=254
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* caldac[2] gain=1.57172(23)e-4 V/bit S_min=969.526 dof=254
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* caldac[8] gain=2.795(14)e-7 V/bit S_min=245.703 dof=254
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* ai, unipolar zero offset, low gain
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* offset 0.0133(14), target 0
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* caldac[0] gain=3.73923(29)e-4 V/bit S_min=2855.79 dof=151
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* caldac[1] gain=9.784(11)e-6 V/bit S_min=727.295 dof=254
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* caldac[2] gain=7.8670(11)e-5 V/bit S_min=903.291 dof=254
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* caldac[8] gain=2.7732(74)e-7 V/bit S_min=415.399 dof=254
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*/
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static int cal_ni_daqcard_ai_16xe_50(calibration_setup_t *setup)
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{
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ni_caldac_layout_t layout;
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@ -1271,90 +1239,3 @@ static double ni_get_reference( calibration_setup_t *setup, int lsb_loc,int msb_
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return ref;
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}
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#if 0
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static void cal_ni_results(void)
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{
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comedi_range *range;
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int bipolar_lowgain;
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int bipolar_highgain;
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int unipolar_lowgain;
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//int have_ao;
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char s[32];
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bipolar_lowgain = get_bipolar_lowgain(dev,setup->ad_subdev);
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bipolar_highgain = get_bipolar_highgain(dev,setup->ad_subdev);
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unipolar_lowgain = get_unipolar_lowgain(dev,setup->ad_subdev);
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/* 0 offset, low gain */
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range = comedi_get_range(dev,setup->ad_subdev,0,bipolar_lowgain);
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read_chan2(s,0,bipolar_lowgain);
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DPRINT(0,"bipolar zero offset, low gain [%g,%g]: %s\n",
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range->min,range->max,s);
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/* 0 offset, high gain */
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range = comedi_get_range(dev,setup->ad_subdev,0,bipolar_highgain);
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read_chan2(s,0,bipolar_highgain);
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DPRINT(0,"bipolar zero offset, high gain [%g,%g]: %s\n",
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range->min,range->max,s);
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/* unip/bip offset */
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range = comedi_get_range(dev,setup->ad_subdev,0,unipolar_lowgain);
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read_chan2(s,0,unipolar_lowgain);
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DPRINT(0,"unipolar zero offset, low gain [%g,%g]: %s\n",
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range->min,range->max,s);
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}
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static void ni_mio_ai_postgain_cal(void)
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{
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linear_fit_t l;
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double offset_r0;
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double offset_r7;
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double gain;
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double a;
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check_gain_chan_x(&l,CR_PACK(0,0,AREF_OTHER),1);
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offset_r0=linear_fit_func_y(&l,caldacs[1].current);
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printf("offset r0 %g\n",offset_r0);
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check_gain_chan_x(&l,CR_PACK(0,7,AREF_OTHER),1);
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offset_r7=linear_fit_func_y(&l,caldacs[1].current);
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printf("offset r7 %g\n",offset_r7);
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gain=l.slope;
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a=(offset_r0-offset_r7)/(200.0-1.0);
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a=caldacs[1].current-a/gain;
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printf("%g\n",a);
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caldacs[1].current=rint(a);
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update_caldac(1);
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}
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static void ni_mio_ai_postgain_cal_2(int chan,int dac,int range_lo,int range_hi,double gain)
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{
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double offset_lo,offset_hi;
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linear_fit_t l;
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double slope;
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double a;
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check_gain_chan_x(&l,CR_PACK(chan,range_lo,AREF_OTHER),dac);
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offset_lo=linear_fit_func_y(&l,caldacs[dac].current);
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printf("offset lo %g\n",offset_lo);
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check_gain_chan_x(&l,CR_PACK(chan,range_hi,AREF_OTHER),dac);
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offset_hi=linear_fit_func_y(&l,caldacs[dac].current);
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printf("offset hi %g\n",offset_hi);
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slope=l.slope;
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a=(offset_lo-offset_hi)/(gain-1.0);
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a=caldacs[dac].current-a/slope;
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printf("%g\n",a);
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caldacs[dac].current=rint(a);
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update_caldac(dac);
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}
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#endif
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