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tweak to unipolar postgain offset routine

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This commit is contained in:
Frank Mori Hess 2003-06-13 17:15:40 +00:00
parent c62918e14e
commit f04b00a858
1 changed files with 12 additions and 1 deletions
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13
comedi_calibrate/cal_common.c
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@ -180,6 +180,7 @@ static void generic_do_adc_postgain_offset( calibration_setup_t *setup, const ge
lowgain = get_unipolar_lowgain( setup->dev, setup->ad_subdev );
highgain = get_unipolar_highgain( setup->dev, setup->ad_subdev );
generic_prep_adc_caldacs( setup, layout, channel, highgain );
reset_caldac( setup, layout->adc_postgain_offset( channel ) );
/* need to make sure we aren't stuck on zero for unipolar,
* by setting pregain offset to maximum */
@ -192,7 +193,17 @@ static void generic_do_adc_postgain_offset( calibration_setup_t *setup, const ge
lowgain = get_bipolar_lowgain( setup->dev, setup->ad_subdev );
highgain = get_bipolar_highgain( setup->dev, setup->ad_subdev );
}
generic_prep_adc_caldacs( setup, layout, channel, highgain );
if( unipolar )
{
reset_caldac( setup, layout->adc_postgain_offset( channel ) );
/* need to make sure we aren't stuck on zero for unipolar,
* by setting pregain offset to maximum */
generic_peg( setup, layout->adc_ground_observable( setup, channel, lowgain ),
layout->adc_offset( channel ), 1 );
generic_peg( setup, layout->adc_ground_observable( setup, channel, lowgain ),
layout->adc_offset_fine( channel ), 1 );
}
generic_do_relative( setup, current_cal, layout->adc_ground_observable( setup, channel, lowgain ),
layout->adc_ground_observable( setup, channel, highgain ), layout->adc_postgain_offset( channel ) );