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added multi-range calibration support for pci-das4020

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This commit is contained in:
Frank Mori Hess 2003-04-22 21:20:39 +00:00
parent bf1b81075e
commit 3bf61fbe44
1 changed files with 186 additions and 142 deletions
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328
comedi_calibrate/cb64.c
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@ -96,32 +96,48 @@ enum calibration_source_64xx
CS_64XX_DAC1 = 7,
};
enum calibration_source_4020
{
CS_4020_4375mV = 5,
CS_4020_625mV = 6,
CS_4020_GROUND = 7,
};
enum cal_knobs_60xx
{
DAC0_OFFSET_60XX = 0,
DAC0_GAIN_60XX,
DAC1_OFFSET_60XX,
DAC1_GAIN_60XX,
ADC_OFFSET_FINE_60XX,
ADC_OFFSET_COARSE_60XX,
ADC_GAIN_COARSE_60XX,
ADC_GAIN_FINE_60XX,
DAC0_GAIN_60XX = 1,
DAC1_OFFSET_60XX = 2,
DAC1_GAIN_60XX = 3,
ADC_OFFSET_FINE_60XX = 4,
ADC_OFFSET_COARSE_60XX = 5,
ADC_GAIN_COARSE_60XX = 6,
ADC_GAIN_FINE_60XX = 7,
};
enum cal_knobs_64xx
{
DAC0_GAIN_FINE_64XX = 0,
DAC0_GAIN_COARSE_64XX,
DAC0_OFFSET_COARSE_64XX,
DAC1_OFFSET_COARSE_64XX,
DAC1_GAIN_FINE_64XX,
DAC1_GAIN_COARSE_64XX,
DAC0_OFFSET_FINE_64XX,
DAC1_OFFSET_FINE_64XX,
ADC_GAIN_64XX,
ADC_OFFSET_64XX,
DAC0_GAIN_COARSE_64XX = 1,
DAC0_OFFSET_COARSE_64XX = 2,
DAC1_OFFSET_COARSE_64XX = 3,
DAC1_GAIN_FINE_64XX = 4,
DAC1_GAIN_COARSE_64XX = 5,
DAC0_OFFSET_FINE_64XX = 6,
DAC1_OFFSET_FINE_64XX = 7,
ADC_GAIN_64XX = 8,
ADC_OFFSET_64XX = 9,
};
static inline unsigned int ADC_OFFSET_4020( unsigned int channel )
{
return channel;
}
static inline unsigned int ADC_GAIN_4020( unsigned int channel )
{
return 4 + channel;
}
int cb64_setup( calibration_setup_t *setup, const char *device_name )
{
unsigned int i;
@ -600,104 +616,104 @@ static int init_observables_60xx( calibration_setup_t *setup )
return 0;
}
static int init_observables_4020( calibration_setup_t *setup )
static unsigned int ai_low_observable_index_4020( unsigned int channel,
unsigned int ai_range )
{
return 4 * channel + 2 * ai_range;
}
static unsigned int ai_high_observable_index_4020( unsigned int channel,
unsigned int ai_range )
{
return ai_low_observable_index_4020( channel, ai_range ) + 1;
}
static int high_ai_cal_src_4020( calibration_setup_t *setup, unsigned int ai_range )
{
comedi_range *range;
range = comedi_get_range( setup->dev, setup->ad_subdev, 0, ai_range );
if( range == NULL ) return -1;
if( range->max > 4.4 )
return CS_4020_4375mV;
else if( range->max > 0.7 )
return CS_4020_625mV;
return -1;
}
static int source_eeprom_addr_4020( calibration_setup_t *setup, unsigned int range_index )
{
comedi_insn tmpl;//, po_tmpl;
observable *o;
float target;
int retval;
enum source_eeprom_addr
{
EEPROM_4375mV_CHAN = 0x30,
EEPROM_625mV_CHAN = 0x32,
};
enum calibration_source
{
CAL_SRC_4375mV = 5,
CAL_SRC_625mV = 6,
CAL_SRC_GROUND = 7,
};
#if 0
memset( &po_tmpl, 0, sizeof(po_tmpl) );
po_tmpl.insn = INSN_CONFIG;
po_tmpl.n = 2;
po_tmpl.subdev = setup->ad_subdev;
#endif
comedi_range *range;
range = comedi_get_range( setup->dev, setup->ad_subdev, 0, range_index );
if( range == NULL ) return -1;
if( range->max > 4.4 )
return EEPROM_4375mV_CHAN;
else if( range->max > 0.7 )
return EEPROM_625mV_CHAN;
return -1;
}
static int init_observables_4020( calibration_setup_t *setup )
{
comedi_insn tmpl;
observable *o;
float target;
int retval;
int range, channel, num_ranges, num_channels;
memset( &tmpl, 0, sizeof(tmpl) );
tmpl.insn = INSN_READ;
tmpl.n = 1;
tmpl.subdev = setup->ad_subdev;
o = setup->observables + 0;
o->name = "ground calibration source, ch 0, 5V bipolar range, ground referenced";
o->reference_source = CAL_SRC_GROUND;
o->observe_insn = tmpl;
o->observe_insn.chanspec = CR_PACK( 0, 0, AREF_GROUND) | CR_ALT_SOURCE | CR_ALT_FILTER;
o->target = 0.0;
num_ranges = comedi_get_n_ranges( setup->dev, setup->ad_subdev, 0 );
if( num_ranges < 0 ) return -1;
num_channels = comedi_get_n_channels( setup->dev, setup->ad_subdev );
if( num_channels < 0 ) return -1;
o = setup->observables + 1;
o->name = "ground calibration source, ch 1, 5V bipolar range, ground referenced";
o->reference_source = CAL_SRC_GROUND;
o->observe_insn = tmpl;
o->observe_insn.chanspec = CR_PACK( 1, 0, AREF_GROUND) | CR_ALT_SOURCE | CR_ALT_FILTER;
o->target = 0.0;
setup->n_observables = 0;
o = setup->observables + 2;
o->name = "ground calibration source, ch 2, 5V bipolar range, ground referenced";
o->reference_source = CAL_SRC_GROUND;
o->observe_insn = tmpl;
o->observe_insn.chanspec = CR_PACK( 2, 0, AREF_GROUND) | CR_ALT_SOURCE | CR_ALT_FILTER;
o->target = 0.0;
for( channel = 0; channel < num_channels; channel++ )
{
for( range = 0; range < num_ranges; range++ )
{
o = setup->observables + ai_low_observable_index_4020( channel, range );
assert( o->name == NULL );
asprintf( &o->name, "ground calibration source, ch %i, range %i, ground referenced",
channel, range );
o->reference_source = CS_4020_GROUND;
o->observe_insn = tmpl;
o->observe_insn.chanspec = CR_PACK( channel, range, AREF_GROUND) | CR_ALT_SOURCE | CR_ALT_FILTER;
o->target = 0.0;
setup->n_observables++;
o = setup->observables + 3;
o->name = "ground calibration source, ch 3, 5V bipolar range, ground referenced";
o->reference_source = CAL_SRC_GROUND;
o->observe_insn = tmpl;
o->observe_insn.chanspec = CR_PACK( 3, 0, AREF_GROUND) | CR_ALT_SOURCE | CR_ALT_FILTER;
o->target = 0.0;
o = setup->observables + 4;
o->name = "4.375V calibration source, ch 0, 5V bipolar range, ground referenced";
o->reference_source = CAL_SRC_4375mV;
o->observe_insn = tmpl;
o->observe_insn.chanspec = CR_PACK( 0, 0, AREF_GROUND) | CR_ALT_SOURCE | CR_ALT_FILTER;
o->target = 4.375;
retval = cb_actual_source_voltage( setup->dev, setup->eeprom_subdev, EEPROM_4375mV_CHAN, &target );
if( retval == 0 )
o->target = target;
o = setup->observables + 5;
o->name = "4.375V calibration source, ch 1, 5V bipolar range, ground referenced";
o->reference_source = CAL_SRC_4375mV;
o->observe_insn = tmpl;
o->observe_insn.chanspec = CR_PACK( 1, 0, AREF_GROUND) | CR_ALT_SOURCE | CR_ALT_FILTER;
o->target = 4.375;
retval = cb_actual_source_voltage( setup->dev, setup->eeprom_subdev, EEPROM_4375mV_CHAN, &target );
if( retval == 0 )
o->target = target;
o = setup->observables + 6;
o->name = "4.375V calibration source, ch 2, 5V bipolar range, ground referenced";
o->reference_source = CAL_SRC_4375mV;
o->observe_insn = tmpl;
o->observe_insn.chanspec = CR_PACK( 2, 0, AREF_GROUND) | CR_ALT_SOURCE | CR_ALT_FILTER;
o->target = 4.375;
retval = cb_actual_source_voltage( setup->dev, setup->eeprom_subdev, EEPROM_4375mV_CHAN, &target );
if( retval == 0 )
o->target = target;
o = setup->observables + 7;
o->name = "4.375V calibration source, ch 3, 5V bipolar range, ground referenced";
o->reference_source = CAL_SRC_4375mV;
o->observe_insn = tmpl;
o->observe_insn.chanspec = CR_PACK( 3, 0, AREF_GROUND) | CR_ALT_SOURCE | CR_ALT_FILTER;
o->target = 4.375;
retval = cb_actual_source_voltage( setup->dev, setup->eeprom_subdev, EEPROM_4375mV_CHAN, &target );
if( retval == 0 )
o->target = target;
setup->n_observables = 8;
o = setup->observables + ai_high_observable_index_4020( channel, range );
retval = high_ai_cal_src_4020( setup, range );
if( retval < 0 ) return -1;
o->reference_source = retval;
assert( o->name == NULL );
asprintf( &o->name, "calibration source %i, ch %i, range %i, ground referenced",
o->reference_source, channel, range );
o->observe_insn = tmpl;
o->observe_insn.chanspec = CR_PACK( channel, range, AREF_GROUND) | CR_ALT_SOURCE | CR_ALT_FILTER;
retval = cb_actual_source_voltage( setup->dev, setup->eeprom_subdev,
source_eeprom_addr_4020( setup, range ), &target );
if( retval < 0 ) return retval;
o->target = target;
setup->n_observables++;
}
}
return 0;
}
@ -790,6 +806,7 @@ static int cal_cb_pci_64xx( calibration_setup_t *setup )
saved_cals = malloc( num_calibrations * sizeof( saved_calibration_t ) );
if( saved_cals == NULL ) return -1;
memset( saved_cals, 0, num_calibrations * sizeof( saved_calibration_t ) );
current_cal = saved_cals;
for( i = 0; i < num_ai_ranges ; i++ )
@ -799,7 +816,6 @@ static int cal_cb_pci_64xx( calibration_setup_t *setup )
cal_binary( setup, ai_ground_observable_index_64xx( i ), ADC_OFFSET_64XX );
cal_binary( setup, ai_high_observable_index_64xx( i ), ADC_GAIN_64XX );
memset( current_cal, 0, sizeof( saved_calibration_t ) );
current_cal->subdevice = setup->ad_subdev;
sc_push_caldac( current_cal, setup->caldacs[ ADC_OFFSET_64XX ] );
sc_push_caldac( current_cal, setup->caldacs[ ADC_GAIN_64XX ] );
@ -827,7 +843,6 @@ static int cal_cb_pci_64xx( calibration_setup_t *setup )
cal_binary( setup, ao_low_observable_index_64xx( setup, 0, i ), DAC0_OFFSET_FINE_64XX );
cal_binary( setup, ao_high_observable_index_64xx( setup, 0, i ), DAC0_GAIN_FINE_64XX );
memset( current_cal, 0, sizeof( saved_calibration_t ) );
current_cal->subdevice = setup->da_subdev;
sc_push_caldac( current_cal, setup->caldacs[ DAC0_OFFSET_COARSE_64XX ] );
sc_push_caldac( current_cal, setup->caldacs[ DAC0_GAIN_COARSE_64XX ] );
@ -846,7 +861,6 @@ static int cal_cb_pci_64xx( calibration_setup_t *setup )
cal_binary( setup, ao_low_observable_index_64xx( setup, 1, i ), DAC1_OFFSET_FINE_64XX );
cal_binary( setup, ao_high_observable_index_64xx( setup, 1, i ), DAC1_GAIN_FINE_64XX );
memset( current_cal, 0, sizeof( saved_calibration_t ) );
current_cal->subdevice = setup->da_subdev;
sc_push_caldac( current_cal, setup->caldacs[ DAC1_OFFSET_COARSE_64XX ] );
sc_push_caldac( current_cal, setup->caldacs[ DAC1_GAIN_COARSE_64XX ] );
@ -949,6 +963,8 @@ static int cal_cb_pci_60xx( calibration_setup_t *setup )
saved_cals = malloc( num_calibrations * sizeof( saved_calibration_t ) );
if( saved_cals == NULL ) return -1;
memset( saved_cals, 0, num_calibrations * sizeof( saved_calibration_t ) );
current_cal = saved_cals;
for( i = 0; i < num_ai_ranges ; i++ )
{
@ -959,7 +975,6 @@ static int cal_cb_pci_60xx( calibration_setup_t *setup )
cal_binary( setup, ai_high_observable_index_60xx( i ), ADC_GAIN_COARSE_60XX );
cal_binary( setup, ai_high_observable_index_60xx( i ), ADC_GAIN_FINE_60XX );
memset( current_cal, 0, sizeof( saved_calibration_t ) );
current_cal->subdevice = setup->ad_subdev;
sc_push_caldac( current_cal, setup->caldacs[ ADC_OFFSET_FINE_60XX ] );
sc_push_caldac( current_cal, setup->caldacs[ ADC_OFFSET_COARSE_60XX ] );
@ -991,7 +1006,6 @@ static int cal_cb_pci_60xx( calibration_setup_t *setup )
cal_binary( setup, ao_low_observable_index_60xx( setup, 0, i ), DAC0_OFFSET_60XX );
cal_binary( setup, ao_high_observable_index_60xx( setup, 0, i ), DAC0_GAIN_60XX );
memset( current_cal, 0, sizeof( saved_calibration_t ) );
current_cal->subdevice = setup->da_subdev;
sc_push_caldac( current_cal, setup->caldacs[ DAC0_OFFSET_60XX ] );
sc_push_caldac( current_cal, setup->caldacs[ DAC0_GAIN_60XX ] );
@ -1006,7 +1020,6 @@ static int cal_cb_pci_60xx( calibration_setup_t *setup )
cal_binary( setup, ao_low_observable_index_60xx( setup, 1, i ), DAC1_OFFSET_60XX );
cal_binary( setup, ao_high_observable_index_60xx( setup, 1, i ), DAC1_GAIN_60XX );
memset( current_cal, 0, sizeof( saved_calibration_t ) );
current_cal->subdevice = setup->da_subdev;
sc_push_caldac( current_cal, setup->caldacs[ DAC1_OFFSET_60XX ] );
sc_push_caldac( current_cal, setup->caldacs[ DAC1_GAIN_60XX ] );
@ -1024,44 +1037,75 @@ static int cal_cb_pci_60xx( calibration_setup_t *setup )
return retval;
}
static int cal_cb_pci_4020( calibration_setup_t *setup )
static void prep_adc_caldacs_4020( calibration_setup_t *setup,
unsigned int channel, unsigned int range )
{
enum cal_knobs_4020
int retval;
if( setup->do_reset )
{
ADC0_OFFSET = 0,
ADC1_OFFSET,
ADC2_OFFSET,
ADC3_OFFSET,
ADC0_GAIN,
ADC1_GAIN,
ADC2_GAIN,
ADC3_GAIN,
};
cal1( setup, 0, ADC0_OFFSET );
cal1_fine( setup, 0, ADC0_OFFSET );
cal1( setup, 1, ADC1_OFFSET );
cal1_fine( setup, 1, ADC1_OFFSET );
cal1( setup, 2, ADC2_OFFSET );
cal1_fine( setup, 2, ADC2_OFFSET );
cal1( setup, 3, ADC3_OFFSET );
cal1_fine( setup, 3, ADC3_OFFSET );
cal_binary( setup, 4, ADC0_GAIN );
cal1_fine( setup, 4, ADC0_GAIN );
cal_binary( setup, 5, ADC1_GAIN );
cal1_fine( setup, 5, ADC1_GAIN );
cal_binary( setup, 6, ADC2_GAIN );
cal1_fine( setup, 6, ADC2_GAIN );
cal_binary( setup, 7, ADC3_GAIN );
cal1_fine( setup, 7, ADC3_GAIN );
return 0;
reset_caldac( setup, ADC_OFFSET_4020( channel ) );
reset_caldac( setup, ADC_GAIN_4020( channel ) );
}else
{
retval = comedi_apply_calibration( setup->dev, setup->ad_subdev,
channel, range, AREF_GROUND, setup->cal_save_file_path);
if( retval < 0 )
{
reset_caldac( setup, ADC_OFFSET_4020( channel ) );
reset_caldac( setup, ADC_GAIN_4020( channel ) );
}
}
}
static int cal_cb_pci_4020( calibration_setup_t *setup )
{
int range, channel, num_ranges, num_channels, retval,
num_calibrations, i;
saved_calibration_t *saved_cals, *current_cal;
comedi_set_global_oor_behavior( COMEDI_OOR_NUMBER );
num_ranges = comedi_get_n_ranges( setup->dev, setup->ad_subdev, 0 );
if( num_ranges < 0 ) return -1;
num_channels = comedi_get_n_channels( setup->dev, setup->ad_subdev );
if( num_channels < 0 ) return -1;
num_calibrations = num_ranges * num_channels;
saved_cals = malloc( num_calibrations * sizeof( saved_calibration_t ) );
if( saved_cals == NULL ) return -1;
current_cal = saved_cals;
for( channel = 0; channel < num_channels; channel++ )
{
for( range = 0; range < num_ranges; range++ )
{
prep_adc_caldacs_4020( setup, channel, range );
cal_binary( setup, ai_low_observable_index_4020( channel, range ),
ADC_OFFSET_4020( channel ) );
cal_binary( setup, ai_high_observable_index_4020( channel, range ),
ADC_GAIN_4020( channel ) );
current_cal->subdevice = setup->ad_subdev;
sc_push_caldac( current_cal, setup->caldacs[ ADC_GAIN_4020( channel ) ] );
sc_push_caldac( current_cal, setup->caldacs[ ADC_OFFSET_4020( channel ) ] );
sc_push_channel( current_cal, channel );
sc_push_range( current_cal, range );
sc_push_aref( current_cal, SC_ALL_AREFS );
current_cal++;
}
}
retval = write_calibration_file( setup, saved_cals, num_calibrations );
for( i = 0; i < num_calibrations; i++ )
clear_saved_calibration( &saved_cals[ i ] );
free( saved_cals );
return retval;
}