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use {
conversion, ic, interface, Ads1x1x, BitFlags as BF, ComparatorLatching, ComparatorMode,
ComparatorPolarity, ComparatorQueue, Error, FullScaleRange, Register,
};
impl<DI, IC, CONV, MODE, E> Ads1x1x<DI, IC, CONV, MODE>
where
DI: interface::WriteData<Error = E>,
IC: ic::Tier2Features,
CONV: conversion::ConvertThreshold<E>,
{
pub fn set_full_scale_range(&mut self, range: FullScaleRange) -> Result<(), Error<E>> {
use FullScaleRange as FSR;
let cfg = self.config.clone();
let config = match range {
FSR::Within6_144V => cfg.with_low(BF::PGA2).with_low(BF::PGA1).with_low(BF::PGA0),
FSR::Within4_096V => cfg
.with_low(BF::PGA2)
.with_low(BF::PGA1)
.with_high(BF::PGA0),
FSR::Within2_048V => cfg
.with_low(BF::PGA2)
.with_high(BF::PGA1)
.with_low(BF::PGA0),
FSR::Within1_024V => cfg
.with_low(BF::PGA2)
.with_high(BF::PGA1)
.with_high(BF::PGA0),
FSR::Within0_512V => cfg
.with_high(BF::PGA2)
.with_low(BF::PGA1)
.with_low(BF::PGA0),
FSR::Within0_256V => cfg
.with_high(BF::PGA2)
.with_low(BF::PGA1)
.with_high(BF::PGA0),
};
self.iface.write_register(Register::CONFIG, config.bits)?;
self.config = config;
Ok(())
}
pub fn set_low_threshold_raw(&mut self, value: i16) -> Result<(), Error<E>> {
let register_value = CONV::convert_threshold(value)?;
self.iface.write_register(Register::LOW_TH, register_value)
}
pub fn set_high_threshold_raw(&mut self, value: i16) -> Result<(), Error<E>> {
let register_value = CONV::convert_threshold(value)?;
self.iface.write_register(Register::HIGH_TH, register_value)
}
pub fn set_comparator_mode(&mut self, mode: ComparatorMode) -> Result<(), Error<E>> {
let config = match mode {
ComparatorMode::Traditional => self.config.with_low(BF::COMP_MODE),
ComparatorMode::Window => self.config.with_high(BF::COMP_MODE),
};
self.iface.write_register(Register::CONFIG, config.bits)?;
self.config = config;
Ok(())
}
pub fn set_comparator_polarity(
&mut self,
polarity: ComparatorPolarity,
) -> Result<(), Error<E>> {
let config = match polarity {
ComparatorPolarity::ActiveLow => self.config.with_low(BF::COMP_POL),
ComparatorPolarity::ActiveHigh => self.config.with_high(BF::COMP_POL),
};
self.iface.write_register(Register::CONFIG, config.bits)?;
self.config = config;
Ok(())
}
pub fn set_comparator_latching(
&mut self,
latching: ComparatorLatching,
) -> Result<(), Error<E>> {
let config = match latching {
ComparatorLatching::Nonlatching => self.config.with_low(BF::COMP_LAT),
ComparatorLatching::Latching => self.config.with_high(BF::COMP_LAT),
};
self.iface.write_register(Register::CONFIG, config.bits)?;
self.config = config;
Ok(())
}
pub fn set_comparator_queue(&mut self, queue: ComparatorQueue) -> Result<(), Error<E>> {
let config = match queue {
ComparatorQueue::One => self.config.with_low(BF::COMP_QUE1).with_low(BF::COMP_QUE0),
ComparatorQueue::Two => self.config.with_low(BF::COMP_QUE1).with_high(BF::COMP_QUE0),
ComparatorQueue::Four => self.config.with_high(BF::COMP_QUE1).with_low(BF::COMP_QUE0),
};
self.iface.write_register(Register::CONFIG, config.bits)?;
self.config = config;
Ok(())
}
pub fn disable_comparator(&mut self) -> Result<(), Error<E>> {
let config = self
.config
.with_high(BF::COMP_QUE1)
.with_high(BF::COMP_QUE0);
self.iface.write_register(Register::CONFIG, config.bits)?;
self.config = config;
Ok(())
}
pub fn use_alert_rdy_pin_as_ready(&mut self) -> Result<(), Error<E>> {
if self.config
!= self
.config
.with_high(BF::COMP_QUE1)
.with_high(BF::COMP_QUE0)
{
self.disable_comparator()?;
}
self.iface.write_register(Register::HIGH_TH, 0x8000)?;
self.iface.write_register(Register::LOW_TH, 0)
}
}