use core::convert::Infallible;
use core::marker::PhantomData;
use embedded_hal::adc::{Channel, OneShot};
use crate::gpio::Pin;
pub trait AdcTrait {
fn channel() -> u8;
}
pub struct Adc<const ID: u8>(PhantomData<u8>);
impl<const ID: u8> Adc<ID> {
pub(crate) const fn new() -> Self {
Self(PhantomData)
}
}
impl<const ID: u8> AdcTrait for Adc<ID> {
fn channel() -> u8 {
ID
}
}
impl<ADC: AdcTrait> Channel<ADC> for Pin<ADC> {
type ID = u8;
fn channel() -> Self::ID {
ADC::channel()
}
}
impl<const ID: u8> OneShot<Adc<ID>, u16, Pin<Adc<ID>>> for Adc<ID> {
type Error = Infallible;
fn read(&mut self, pin: &mut Pin<Adc<ID>>) -> nb::Result<u16, Self::Error> {
Ok(Pin::get_input(pin))
}
}