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Merge #426

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426: nrf/saadc: API improvements r=Dirbaio a=Dirbaio



Co-authored-by: Dario Nieuwenhuis <dirbaio@dirbaio.net>
This commit is contained in:
bors[bot] 2021-10-13 20:14:03 +00:00 committed by GitHub
commit 7318fc026e
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1 changed files with 15 additions and 8 deletions
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23
embassy-nrf/src/saadc.rs
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@ -14,11 +14,11 @@ use crate::{pac, peripherals};
use pac::{saadc, SAADC};
// We treat the positive and negative channels with the same enum values to keep our type tidy and given they are the same
pub(crate) use saadc::ch::pselp::PSELP_A as InputChannel;
pub use saadc::{
ch::{
config::{GAIN_A as Gain, REFSEL_A as Reference, RESP_A as Resistor, TACQ_A as Time},
pselp::PSELP_A as InputChannel, // We treat the positive and negative channels with the same enum values to keep our type tidy and given they are the same
},
ch::config::{GAIN_A as Gain, REFSEL_A as Reference, RESP_A as Resistor, TACQ_A as Time},
oversample::OVERSAMPLE_A as Oversample,
resolution::VAL_A as Resolution,
};
@ -228,17 +228,24 @@ impl<'d, const N: usize> Drop for OneShot<'d, N> {
}
}
/// An input that can be used as either or negative end of a ADC differential in the SAADC periperhal.
pub trait Input {
fn channel(&self) -> InputChannel;
pub(crate) mod sealed {
use super::*;
pub trait Input {
fn channel(&self) -> InputChannel;
}
}
/// An input that can be used as either or negative end of a ADC differential in the SAADC periperhal.
pub trait Input: sealed::Input + Unborrow<Target = Self> {}
macro_rules! impl_saadc_input {
($pin:ident, $ch:ident) => {
impl crate::saadc::Input for crate::peripherals::$pin {
impl crate::saadc::sealed::Input for crate::peripherals::$pin {
fn channel(&self) -> crate::saadc::InputChannel {
crate::saadc::InputChannel::$ch
}
}
impl crate::saadc::Input for crate::peripherals::$pin {}
};
}