use anyhow::Context;
use embedded_hal_async::digital::Wait;
use gpiocdev_embedded_hal::async_io::InputPin;
fn main() -> Result<(), Box<dyn std::error::Error>> {
let mut pin = InputPin::new("/dev/gpiochip0", 23).context("Failed to request line")?;
async_std::task::block_on(async {
loop {
let _ = pin.wait_for_any_edge().await;
println!("got edge");
}
});
Ok(())
}