forked from M-Labs/artiq
adc: implement standby & power-down/up
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@ -228,7 +228,23 @@ class ADC:
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delay(100*us)
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adc_code = self.read24(_AD4115_REG_DATA)
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return ((adc_code / (1 << 23)) - 1) * 2.5 / 0.1
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@kernel
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def standby(self):
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# Selecting internal XO (0b00) also disables clock during standby
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self.write16(_AD4115_REG_ADCMODE, 0x8020)
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@kernel
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def power_down(self):
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self.write16(_AD4115_REG_ADCMODE, 0x8030)
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@kernel
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def exit_power_down(self):
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self.reset()
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# Although the datasheet claims 500 us reset wait time, only waiting
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# for ~500 us can result in DOUT pin stuck in high
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delay(2500*us)
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@kernel
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def calibrate(self, volts, trigger, config, samples=[-5.0, 0.0, 5.0]):
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assert len(volts) == 16
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