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adc: use a generous upper bound

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occheung 2023-09-18 19:55:16 -07:00 committed by Sébastien Bourdeauducq
parent c2d136f669
commit 870020bc9f
1 changed files with 3 additions and 0 deletions
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3
artiq/coredevice/shuttler.py
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@ -224,6 +224,9 @@ class ADC:
self.bus.set_config_mu(
ADC_SPI_CONFIG | spi.SPI_END, 32, SPIT_ADC_WR, CS_ADC)
self.bus.write(addr << 24 | (data & 0xffffff))
delay(100*us)
adc_code = self.read24(_AD4115_REG_DATA)
return ((adc_code / (1 << 23)) - 1) * 2.5 / 0.1
@kernel