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shuttler: remove adc calibrate debug lines

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occheung 2023-09-18 19:52:59 -07:00 committed by Sébastien Bourdeauducq
parent 55150ebdbb
commit e443e06e62
1 changed files with 0 additions and 13 deletions
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13
artiq/coredevice/shuttler.py
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@ -227,36 +227,23 @@ class ADC:
measurements[i] = self.read_ch(ch) measurements[i] = self.read_ch(ch)
# Find the average output slope # Find the average output slope
print(measurements)
slope_sum = 0.0 slope_sum = 0.0
for i in range(len(samples) - 1): for i in range(len(samples) - 1):
slope_sum += (measurements[i+1] - measurements[i])/(samples[i+1] - samples[i]) slope_sum += (measurements[i+1] - measurements[i])/(samples[i+1] - samples[i])
slope_avg = slope_sum / (len(samples) - 1) slope_avg = slope_sum / (len(samples) - 1)
print(slope_avg)
print("Suitable gain in Shuttler:")
gain_code = int32(1 / slope_avg * (2 ** 16)) & 0xffff gain_code = int32(1 / slope_avg * (2 ** 16)) & 0xffff
print(gain_code)
# Scale the measurements by 1/slope, find average offset # Scale the measurements by 1/slope, find average offset
offset_sum = 0.0 offset_sum = 0.0
for i in range(len(samples)): for i in range(len(samples)):
offset_sum += (measurements[i] / slope_avg) - samples[i] offset_sum += (measurements[i] / slope_avg) - samples[i]
offset_avg = offset_sum / len(samples) offset_avg = offset_sum / len(samples)
print(offset_avg)
print("Suitable offset in Shuttler:")
offset_code = shuttler_volt_to_mu(-offset_avg) offset_code = shuttler_volt_to_mu(-offset_avg)
print(offset_code)
self.core.break_realtime() self.core.break_realtime()
config.set_gain(ch, gain_code) config.set_gain(ch, gain_code)
delay_mu(int64(self.core.ref_multiplier)) delay_mu(int64(self.core.ref_multiplier))
assert config.get_gain(ch) == gain_code
self.core.break_realtime()
config.set_offset(ch, offset_code) config.set_offset(ch, offset_code)
delay_mu(int64(self.core.ref_multiplier))
assert config.get_offset(ch) == offset_code