def measure_chx_external_2v5(args, text):
"""MEASURE CHA/B EXTERNAL 2V5.
Disconnect channels from GND and 2V5 using internal M1K switches
Connect channel A or B at external reference
Set both channels to HI_Z mode and get samples
Get voltage mean value for current channel
Display FAIL or PASS message, if FAIL exit
Optional is possible to generate plot images and display debug messages
"""
control_m1k.set_switches_chs_2v5_gnd('open', 'open', 'open', 'open',
args['device'])
if args['restart_calibration'] == 0:
ioxp_adp5589.gpo_set_ac(['GPIO_0__1', 'GPIO_8__1'])
if args['restart_calibration'] == 1:
ioxp_adp5589.gpo_set_ac(['GPIO_0__1', 'GPIO_7__1'])
control_m1k.channels_in_hi_z()
control_m1k.get_external_2v5_samples(args['device'])
if args['brake_script']:
debug.add_break_point(text['orange'] +
'Measure external 2V5 with channel ' +
args['channel_name'] +
' ... Press ENTER to continue... ' +
text['default'])
args['chx_2v5_ex_ref_raw'][args['channel_index']] = \
global_.CHX_2V5_EX_REF[args['channel_index'] * 2]
if 2.4 > global_.CHX_2V5_EX_REF[args['channel_index'] * 2] < 2.6:
print text['red'] + 'FAIL measure external 2.5V channel ' + \
args['channel_name'] + ':\t' + \
str(global_.CHX_2V5_EX_REF[args['channel_index'] * 2]) + \
text['default']
exit(1)
else:
print text['green'] + 'PASS measure reference channel ' + \
args['channel_name'] + ': ' + \
str('{0:.4f}'.format(
global_.CHX_2V5_EX_REF[args['channel_index'] * 2])) + \
text['default']
if args['create_plots']:
debug.plot(str(args['device_id'] + '/Calibration'),
'1__CH_' + args['channel_name'] + '_measure_External_2V5',
global_.CHX_2V5_EX_REF[4], str(args['channel_index'] * 2))
if args['view_debug_messages']:
print 'ST_0.', args['channel_name'], \
text['turquoise'] + 'Mean of buffer data:' + text['default'], \
args['chx_2v5_ex_ref_raw']
calibration_file.write_in_log(
args['log_name'], 'a+', 'Measure external 2V5 with channel ' +
args['channel_name'] + ' -> [chx_2v5_ex_ref_raw]')
calibration_file.write_in_log(args['log_name'], 'a+',
args['chx_2v5_ex_ref_raw'], '\n')
return args['chx_2v5_ex_ref_raw']
def voltage_measurement_2v5(args, text):
"""MEASURE CHA/B EXTERNAL REFERENCE 2V5.
Disconnect channels from GND and 2V5 using internal M1K switches
Connect channel A or B at 2V5 external reference
Set both channels to high impedance mode and get samples
Optional is possible to generate plot images and display debug messages
Compare voltage difference between measurement and reference
to be in reference range then print PASS or FAIL message
"""
control_m1k.set_switches_chs_2v5_gnd('open', 'open', 'open', 'open',
args['device'])
if args['restart_verification'] == 0:
ioxp_adp5589.gpo_set_ac(['GPIO_8__1', 'GPIO_0__1', 'EN_1V2__1'])
if args['restart_verification'] == 1:
ioxp_adp5589.gpo_set_ac(['GPIO_7__1', 'GPIO_0__1', 'EN_1V2__1'])
control_m1k.channels_in_hi_z()
control_m1k.get_samples_find_average(args['device'])
adc_meas = \
adc_ad7091r5.voltage_input(
2, args['calibration_factors_vin2'],
args['adc_samples'])[0]
if args['create_plots']:
debug.plot(str(args['device_id'] + '/Performance'),
'1__P__CH_' + args['channel_name'] + '_measure_2V5',
global_.CHX_V_I[4], str(args['channel_index'] * 2))
if args['view_debug_messages']:
print '\n', global_.CHX_V_I[args['channel_index'] * 2], '-', \
adc_meas, '=> abs():', \
abs(global_.CHX_V_I[args['channel_index'] * 2] - adc_meas), \
'should be <=', adc_meas * args['tolerance_voltage']
if abs(global_.CHX_V_I[args['channel_index'] * 2] - adc_meas) <= \
adc_meas * args['tolerance_voltage']:
debug_message = text['green'] + 'Measure ' + \
'{0:+.4f}'.format(adc_meas) + ' [V] CH_' + \
args['channel_name'] + ' PASS' + text['default']
args['status'].append(True)
args['status_values'].append('{0:.4f}'.format(adc_meas))
else:
debug_message = text['red'] + 'Measure ' + \
'{0:+.4f}'.format(adc_meas) + ' [V] CH_' + \
args['channel_name'] + ' FAIL' + text['default']
args['status'].append(False)
args['status_values'].append('{0:.4f}'.format(adc_meas))
if not args['enable_debug_mode']:
print debug_message
exit(1)
if args['view_short_debug_messages']:
print debug_message
return args['status']
def voltage_measurement_3v75(args, text):
"""MEASURE CHA/B EXTERNAL 3V75.
Set DAC to generate reference voltage
Set both channels to high impedance mode and get samples
Optional is possible to generate plot images and display debug messages
Compare voltage difference between measurement and reference
to be in reference range then print PASS or FAIL message
"""
dac_ad5647r.set_output(args['dac_srs_3v75_cmd'])
control_m1k.channels_in_hi_z()
control_m1k.get_samples_find_average(args['device'])
adc_meas = \
adc_ad7091r5.voltage_input(
2, args['calibration_factors_vin2'],
args['adc_samples'])[0]
if args['create_plots']:
debug.plot(str(args['device_id'] + '/Performance'),
'4__P__CH_' + args['channel_name'] + '_measure_3V75',
global_.CHX_V_I[4], str(args['channel_index'] * 2))
if args['view_debug_messages']:
print '\n', global_.CHX_V_I[args['channel_index'] * 2], '-', \
adc_meas, '=> abs():', \
abs(global_.CHX_V_I[args['channel_index'] * 2] - adc_meas), \
'should be <=', adc_meas * args['tolerance_voltage']
if abs(global_.CHX_V_I[args['channel_index'] * 2] - adc_meas) <= \
adc_meas * args['tolerance_voltage']:
debug_message = text['green'] + 'Measure ' + \
'{0:+.4f}'.format(adc_meas) + ' [V] CH_' + \
args['channel_name'] + ' PASS' + text['default']
args['status'].append(True)
args['status_values'].append('{0:.4f}'.format(adc_meas))
else:
debug_message = text['red'] + 'Measure ' + \
'{0:+.4f}'.format(adc_meas) + ' [V] CH_' + \
args['channel_name'] + ' FAIL' + text['default']
args['status'].append(False)
args['status_values'].append('{0:.4f}'.format(adc_meas))
if not args['enable_debug_mode']:
print debug_message
exit(1)
if args['view_short_debug_messages']:
print debug_message
return args['status']
def measure_chx_gnd(args, text):
"""MEASURE CHA/B GND.
Disconnect M1K from calibration board
Connect channels at GND using internal M1K switches
Set both channels to high impedance mode and get samples
Get voltage and current mean value for current channel
Optional is possible to generate plot images and display debug messages
"""
ioxp_adp5589.gpo_set_ac([''])
control_m1k.set_switches_chs_2v5_gnd('open', 'close', 'open', 'close',
args['device'])
control_m1k.channels_in_hi_z()
control_m1k.get_samples_find_average(args['device'])
if args['brake_script']:
debug.add_break_point(text['orange'] +
'Measure GND value with channel ' +
args['channel_name'] +
' ... Press ENTER to continue... ' +
text['default'])
args['chx_v_i_gnd_raw'][args['channel_index'] *
2] = global_.CHX_V_I[args['channel_index'] * 2]
args['chx_v_i_gnd_raw'][args['channel_index'] * 2 +
1] = global_.CHX_V_I[args['channel_index'] * 2 + 1]
if args['create_plots']:
debug.plot(str(args['device_id'] + '/Calibration'),
'2__CH_' + args['channel_name'] + '_measure_GND',
global_.CHX_V_I[4], str(args['channel_index'] * 2))
if args['view_debug_messages']:
print 'ST_1.', args['channel_name'], \
text['turquoise'] + 'Mean of buffer data:' + text['default'], \
args['chx_v_i_gnd_raw']
calibration_file.write_in_log(
args['log_name'], 'a+', 'Measure GND value with channel ' +
args['channel_name'] + ' -> [chx_v_i_gnd_raw]')
calibration_file.write_in_log(args['log_name'], 'a+',
args['chx_v_i_gnd_raw'], '\n')
return args['chx_v_i_gnd_raw']