Method setup

std/src/gpio/fakes.rs:36–38

(&mut self, _pin: Pin, _mode: PinMode)

    }

    fn setup(&mut self, _pin: Pin, _mode: PinMode) -> io::Result<()> {
        Err(io::Error::other("GPIO backend not compiled in"))
    }

    fn clear(&mut self, _pin: Pin) -> io::Result<()> {
        Err(io::Error::other("GPIO backend not compiled in"))