force_feedback.rs

use evdev::{
    EventSummary, FFEffectCode, FFEffectData, FFEffectKind, FFReplay, FFStatusCode, FFTrigger,
};

mod _pick_device;

fn main() -> std::io::Result<()> {
    let mut d = _pick_device::pick_device();
    println!("{d}");
    println!("It's time to rumble!");

    let effect_data = FFEffectData {
        direction: 0,
        trigger: FFTrigger::default(),
        replay: FFReplay {
            length: 1000,
            delay: 0,
        },
        kind: FFEffectKind::Rumble {
            strong_magnitude: 0x0000,
            weak_magnitude: 0xffff,
        },
    };

    let mut effect = d.upload_ff_effect(effect_data)?;

    std::thread::spawn(move || {
        loop {
            // monitor the response from the device
            const STOPPED: i32 = FFStatusCode::FF_STATUS_STOPPED.0 as i32;
            const STARTED: i32 = FFStatusCode::FF_STATUS_PLAYING.0 as i32;
            for ev in d.fetch_events().unwrap() {
                match ev.destructure() {
                    EventSummary::ForceFeedback(_, FFEffectCode(id), STARTED) => {
                        println!("Device Started effect id {}", id);
                    }
                    EventSummary::ForceFeedback(_, FFEffectCode(id), STOPPED) => {
                        println!("Device Stopped effect id {}", id);
                    }
                    _ => (),
                }
            }
        }
    });

    effect.play(1)?;
    std::thread::sleep(std::time::Duration::from_secs(1));
    effect.stop()?;
    std::thread::sleep(std::time::Duration::from_secs(1));

    Ok(())
}