switch-hal 0.4.0

HAL and basic implementations for input and output switches (buttons, switches, leds, transistors)
Documentation 
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use embedded_hal::digital::v2::{OutputPin, StatefulOutputPin, ToggleableOutputPin};

use crate::{ActiveHigh, ActiveLow, OutputSwitch, Switch, StatefulOutputSwitch, ToggleableOutputSwitch};

impl<T: OutputPin> OutputSwitch for Switch<T, ActiveHigh> {
    type Error = <T as OutputPin>::Error;

    fn on(&mut self) -> Result<(), Self::Error> {
        self.pin.set_high()
    }

    fn off(&mut self) -> Result<(), Self::Error> {
        self.pin.set_low()
    }
}

impl<T: OutputPin> OutputSwitch for Switch<T, ActiveLow> {
    type Error = <T as OutputPin>::Error;

    fn on(&mut self) -> Result<(), Self::Error> {
        self.pin.set_low()
    }

    fn off(&mut self) -> Result<(), Self::Error> {
        self.pin.set_high()
    }
}

impl<T: OutputPin + ToggleableOutputPin, ActiveLevel> ToggleableOutputSwitch
    for Switch<T, ActiveLevel>
{
    type Error = <T as ToggleableOutputPin>::Error;

    fn toggle(&mut self) -> Result<(), Self::Error> {
        self.pin.toggle()
    }
}

impl<T: OutputPin + StatefulOutputPin> StatefulOutputSwitch
    for Switch<T, ActiveLow>
{
    type Error = <T as OutputPin>::Error;

    fn is_on(&mut self) -> Result<bool, Self::Error> {
        self.pin.is_set_low()
    }

    fn is_off(&mut self) -> Result<bool, Self::Error> {
        self.pin.is_set_high()
    }
}

impl<T: OutputPin + StatefulOutputPin> StatefulOutputSwitch
    for Switch<T, ActiveHigh>
{
    type Error = <T as OutputPin>::Error;

    fn is_on(&mut self) -> Result<bool, Self::Error> {
        self.pin.is_set_high()
    }

    fn is_off(&mut self) -> Result<bool, Self::Error> {
        self.pin.is_set_low()
    }
}