// Copyright 2022 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//! LED interface.
//!
//! A LED is an output interface with 2 states: on and off.
use crate::{Error, Id, Support};
/// LED interface.
pub trait Api: Support<usize> + Send {
/// Returns whether a given LED is on.
fn get(led: Id<Self>) -> Result<bool, Error>;
/// Sets the state of a given LED.
fn set(led: Id<Self>, on: bool) -> Result<(), Error>;
}