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611x calibration doesn't like 5v-0v reference for gain calibration, wants 5v-5v reference

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This commit is contained in:
Frank Mori Hess 2002-11-23 21:34:40 +00:00
parent 6629cece60
commit d8c8e696af
1 changed files with 26 additions and 38 deletions
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64
comedi_calibrate/ni.c
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@ -122,20 +122,17 @@ enum observables{
ni_ao1_zero_offset,
ni_ao1_reference,
};
static int ni_zero_offset_low_611x( int channel ) {
static int ni_zero_offset_611x( int channel ) {
return channel;
};
static int ni_zero_offset_high_611x( int channel ) {
static int ni_reference_611x( int channel ) {
return 4 + channel;
};
static int ni_reference_low_611x( int channel ) {
return 8 + channel;
};
enum observables_611x{
ni_ao0_zero_offset_611x = 12,
ni_ao0_reference_611x = 13,
ni_ao1_zero_offset_611x = 14,
ni_ao1_reference_611x = 15,
ni_ao0_zero_offset_611x = 8,
ni_ao0_reference_611x = 9,
ni_ao1_zero_offset_611x = 10,
ni_ao1_reference_611x = 11,
};
enum reference_sources {
@ -319,15 +316,13 @@ void ni_setup_observables_611x( calibration_setup_t *setup )
{
comedi_insn tmpl;
comedi_insn po_tmpl;
int bipolar_lowgain;
int bipolar_highgain;
int range, ai_range_for_ao;
double voltage_reference;
observable *o;
int ai_chan;
int num_chans;
bipolar_lowgain = 2;
bipolar_highgain = get_bipolar_highgain( setup->dev, setup->ad_subdev);
range = 2;
voltage_reference = 5.000;
@ -340,32 +335,23 @@ void ni_setup_observables_611x( calibration_setup_t *setup )
for( ai_chan = 0; ai_chan < num_chans; ai_chan++ )
{
/* 0 offset, low gain */
o = setup->observables + ni_zero_offset_low_611x( ai_chan );
o->name = "ai, bipolar zero offset, low gain";
/* 0 offset */
o = setup->observables + ni_zero_offset_611x( ai_chan );
o->name = "ai, bipolar zero offset";
o->observe_insn = tmpl;
o->observe_insn.chanspec = CR_PACK(ai_chan, bipolar_lowgain, AREF_DIFF)
| CR_ALT_SOURCE | CR_ALT_FILTER;
o->reference_source = REF_GND_GND;
o->target = 0.0;
/* 0 offset, high gain */
o = setup->observables + ni_zero_offset_high_611x( ai_chan );
o->name = "ai, bipolar zero offset, high gain";
o->observe_insn = tmpl;
o->observe_insn.chanspec = CR_PACK(ai_chan, bipolar_highgain, AREF_DIFF)
o->observe_insn.chanspec = CR_PACK(ai_chan, range, AREF_DIFF)
| CR_ALT_SOURCE | CR_ALT_FILTER;
o->reference_source = REF_GND_GND;
o->target = 0.0;
/* voltage reference */
o = setup->observables + ni_reference_low_611x( ai_chan );
o->name = "ai, bipolar voltage reference, low gain";
o = setup->observables + ni_reference_611x( ai_chan );
o->name = "ai, bipolar voltage reference";
o->observe_insn = tmpl;
o->observe_insn.chanspec = CR_PACK(ai_chan, bipolar_lowgain, AREF_DIFF)
o->observe_insn.chanspec = CR_PACK(ai_chan, range, AREF_DIFF)
| CR_ALT_SOURCE | CR_ALT_FILTER;
o->reference_source = REF_5V_0V;
o->target = voltage_reference;
o->reference_source = REF_5V_5V;
o->target = 0.0;
}
memset(&po_tmpl,0,sizeof(po_tmpl));
@ -373,14 +359,16 @@ void ni_setup_observables_611x( calibration_setup_t *setup )
po_tmpl.n = 1;
po_tmpl.subdev = setup->da_subdev;
ai_range_for_ao = 2;
/* ao 0, zero offset */
o = setup->observables + ni_ao0_zero_offset_611x;
o->name = "ao 0, zero offset, low gain";
o->name = "ao 0, zero offset";
o->preobserve_insn = po_tmpl;
o->preobserve_insn.chanspec = CR_PACK( 0, 0, AREF_GROUND );
o->preobserve_insn.data = o->preobserve_data;
o->observe_insn = tmpl;
o->observe_insn.chanspec = CR_PACK( 0, bipolar_lowgain, AREF_DIFF )
o->observe_insn.chanspec = CR_PACK( 0, ai_range_for_ao, AREF_DIFF )
| CR_ALT_SOURCE | CR_ALT_FILTER;
o->reference_source = REF_DAC0_0V;
set_target( setup, ni_ao0_zero_offset_611x, 0.0 );
@ -392,7 +380,7 @@ void ni_setup_observables_611x( calibration_setup_t *setup )
o->preobserve_insn.chanspec = CR_PACK( 0, 0, AREF_GROUND );
o->preobserve_insn.data = o->preobserve_data;
o->observe_insn = tmpl;
o->observe_insn.chanspec = CR_PACK( 0, bipolar_lowgain, AREF_DIFF )
o->observe_insn.chanspec = CR_PACK( 0, ai_range_for_ao, AREF_DIFF )
| CR_ALT_SOURCE | CR_ALT_FILTER;
o->reference_source = REF_DAC0_5V;
set_target( setup, ni_ao0_reference_611x, 5.0 );
@ -405,7 +393,7 @@ void ni_setup_observables_611x( calibration_setup_t *setup )
o->preobserve_insn.chanspec = CR_PACK( 1, 0, AREF_GROUND );
o->preobserve_insn.data = o->preobserve_data;
o->observe_insn = tmpl;
o->observe_insn.chanspec = CR_PACK( 0, bipolar_lowgain, AREF_DIFF)
o->observe_insn.chanspec = CR_PACK( 0, ai_range_for_ao, AREF_DIFF)
| CR_ALT_SOURCE | CR_ALT_FILTER;
o->reference_source = REF_DAC1_0V;
set_target( setup, ni_ao1_zero_offset_611x, 0.0 );
@ -417,7 +405,7 @@ void ni_setup_observables_611x( calibration_setup_t *setup )
o->preobserve_insn.chanspec = CR_PACK( 1, 0, AREF_GROUND );
o->preobserve_insn.data = o->preobserve_data;
o->observe_insn = tmpl;
o->observe_insn.chanspec = CR_PACK( 0, bipolar_lowgain, AREF_DIFF )
o->observe_insn.chanspec = CR_PACK( 0, ai_range_for_ao, AREF_DIFF )
| CR_ALT_SOURCE | CR_ALT_FILTER;
o->reference_source = REF_DAC1_5V;
set_target( setup, ni_ao1_reference_611x, 5.0 );
@ -793,8 +781,8 @@ int cal_ni_pci_611x( calibration_setup_t *setup )
num_chans = comedi_get_n_channels( setup->dev, setup->ad_subdev );
for( i = 0; i < num_chans; i++ ){
cal1( setup, ni_zero_offset_high_611x( i ), ( 2 * i + 2 ) );
cal1( setup, ni_reference_low_611x( i ), ( 2 * i + 1 ) );
cal1( setup, ni_zero_offset_611x( i ), ( 2 * i + 2 ) );
cal1( setup, ni_reference_611x( i ), ( 2 * i + 1 ) );
}
if(do_output){