adamhott[m]: ```rust

struct DummyCsPin;

impl embedded_hal::digital::ErrorType for DummyCsPin {
    type Error = core::convert::Infallible;
}

impl embedded_hal::digital::OutputPin for DummyCsPin {
    #[inline(always)]
    fn set_low(&mut self) -> Result<(), Self::Error> {
        Ok(())
    }

    #[inline(always)]
    fn set_high(&mut self) -> Result<(), Self::Error> {
        Ok(())
    }
}
```