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make unipolar gain calibration work a little better

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This commit is contained in:
Frank Mori Hess 2003-06-14 16:04:23 +00:00
parent a61dcfa9f7
commit 11264f9d01
1 changed files with 9 additions and 0 deletions
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9
comedi_calibrate/cal_common.c
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@ -157,6 +157,15 @@ static void generic_do_dac_channel( calibration_setup_t *setup, const generic_la
static void generic_do_adc_channel( calibration_setup_t *setup, const generic_layout_t *layout,
comedi_calibration_setting_t *current_cal, unsigned int channel, unsigned int range )
{
/* make sure unipolar ground observable isn't out-of-range before
* doing gain calibrations */
if( is_unipolar( setup->dev, setup->ad_subdev, channel, range ) )
{
generic_do_cal( setup, current_cal, layout->adc_ground_observable( setup, channel, range ),
layout->adc_offset( channel ) );
generic_do_cal( setup, current_cal, layout->adc_ground_observable( setup, channel, range ),
layout->adc_offset_fine( channel ) );
}
generic_do_relative( setup, current_cal, layout->adc_high_observable( setup, channel, range ),
layout->adc_ground_observable( setup, channel, range ), layout->adc_gain( channel ) );
generic_do_cal( setup, current_cal, layout->adc_ground_observable( setup, channel, range ),