Function main

examples/lights.rs:32–86

()

#[tokio::main]
async fn main() -> anyhow::Result<()> {
    pretty_env_logger::init();

    let manager = Manager::new().await.unwrap();

    // get the first bluetooth adapter
    let central = manager
        .adapters()
        .await
        .expect("Unable to fetch adapter list.")
        .into_iter()
        .nth(0)
        .expect("Unable to find adapters.");

    // start scanning for devices
    central.start_scan(ScanFilter::default()).await?;
    // instead of waiting, you can use central.events() to get a stream which will
    // notify you of new devices, for an example of that see examples/event_driven_discovery.rs
    time::sleep(Duration::from_secs(2)).await;

    // find the device we're interested in
    let light = find_light(&central).await.expect("No lights found");

    // connect to the device
    light.connect().await?;

    // discover services and characteristics
    light.discover_services().await?;

    // find the characteristic we want
    let chars = light.characteristics();
    let cmd_char = chars
        .iter()
        .find(|c| c.uuid == LIGHT_CHARACTERISTIC_UUID)
        .expect("Unable to find characterics");

    // dance party
    let mut rng = rng();
    for _ in 0..20 {
        let color_cmd = vec![
            0x56,
            rng.random(),
            rng.random(),
            rng.random(),
            0x00,
            0xF0,
            0xAA,
        ];
        light
            .write(&cmd_char, &color_cmd, WriteType::WithoutResponse)
            .await?;
        time::sleep(Duration::from_millis(200)).await;
    }
    Ok(())
}