AdcCfg

lilkaoxide

Struct AdcCfg 

Source 
pub struct AdcCfg {
    pub attenuation: Attenuation,
}
Expand description

ADC channel configuration for the battery-monitoring pin (GPIO3 / ADC1).

Passed as part of crate::LilkaConfiguration to crate::Lilka::init.

§Attenuation guide

VariantFull-scale voltageTypical use
_0dB~1.1 VLow-voltage signals
_2p5dB~1.5 V—
_6dB~2.2 V—
_11dB~3.1 VLi-Po battery (default)

The Lilka battery circuit uses a 100 kΩ / 33 kΩ voltage divider, so the full battery voltage (~4.2 V) is scaled to ~1.03 V before reaching GPIO3. With 11 dB attenuation the ADC can safely measure the full charge range.

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§attenuation: Attenuation

Attenuation applied to the ADC input channel. Use Attenuation::_11dB (the default) to cover the complete Li-Po discharge range.

Auto Trait Implementations§

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impl Freeze for AdcCfg

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impl RefUnwindSafe for AdcCfg

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impl Send for AdcCfg

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impl Sync for AdcCfg

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impl Unpin for AdcCfg

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impl UnwindSafe for AdcCfg

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