stepper/
compat.rs

1//! Compatibility code to help use Stepper on more platforms
2
3use core::fmt;
4
5use embedded_hal::digital::blocking::OutputPin;
6use embedded_hal::digital::ErrorType;
7use embedded_hal_stable::digital::v2::OutputPin as StableOutputPin;
8
9/// Wrapper around a pin
10///
11/// Provides an implementation of [`embedded_hal::digital::blocking::OutputPin`]
12/// (that is, the `OutputPin` from the latest alpha version of `embedded-hal`)
13/// for all types that implement `OutputPin` from the latest stable version of
14/// `embedded-hal`.
15pub struct Pin<T>(pub T);
16
17impl<T> ErrorType for Pin<T> where T: StableOutputPin, T::Error: fmt::Debug { type Error = T::Error; }
18
19impl<T> OutputPin for Pin<T>
20where
21    T: StableOutputPin,
22    T::Error: fmt::Debug,
23{
24    fn set_low(&mut self) -> Result<(), Self::Error> {
25        self.0.set_low()
26    }
27
28    fn set_high(&mut self) -> Result<(), Self::Error> {
29        self.0.set_high()
30    }
31}