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<mmind00>
CounterPillow: why would you need that? regulator_get_voltage only returns positive voltages and stuff like adc-keys also uses u32 for the voltages
<CounterPillow>
I didn't mean the driver, I meant the actual hardware :)
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<CounterPillow>
But yeah it doesn't seem to, 0 to 1.8V seems to be the limit (technically tolerant of -0.3v)
<CounterPillow>
The idea here was to sample mains through a resistor divider but I can just bias the signal up, but better yet I should just use an isolated ADC over SPI that is built for stuff like this, even if it's slower (i.e. 35 kilosamples/s vs. 1 megasamples/s)
<mmind00>
the SARADC_DATA register also does not specifiy anything regarding prefixes ... so I'd assume this also only handles positive values
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