Rust 操控大疆可编程无人机 - 远程控制 tello

drone.rc_state.go_down()

drone.rc_state.go_forward_back(-0.7)

use sdl2::event::Event;
use sdl2::keyboard::Keycode;
use tello::{Drone, Message, Package, PackageData, ResponseMsg};
use std::time::Duration;

fn main() -> Result<(), String> {
    let mut drone = Drone::new("192.168.10.1:8889");
    drone.connect(11111);

    let sdl_context = sdl2::init()?;
    let video_subsystem = sdl_context.video()?;
    let window = video_subsystem.window("TELLO drone", 1280, 720).build().unwrap();
    let mut canvas = window.into_canvas().build().unwrap();

    let mut event_pump = sdl_context.event_pump()?;
    'running: loop {
        // draw some stuff
        canvas.clear();
        // [...]

        // handle input from a keyboard or something like a game-pad
        // ue the keyboard events
        for event in event_pump.poll_iter() {
            match event {
                Event::Quit { .. }
                | Event::KeyDown { keycode: Some(Keycode::Escape), .. } =>
                    break 'running,
                Event::KeyDown { keycode: Some(Keycode::K), .. } =>
                    drone.take_off().unwrap(),
                Event::KeyDown { keycode: Some(Keycode::L), .. } =>
                    drone.land().unwrap(),
                Event::KeyDown { keycode: Some(Keycode::A), .. } =>
                    drone.rc_state.go_left(),
                Event::KeyDown { keycode: Some(Keycode::D), .. } =>
                    drone.rc_state.go_right(),
                Event::KeyUp { keycode: Some(Keycode::A), .. }
                | Event::KeyUp { keycode: Some(Keycode::D), .. } =>
                    drone.rc_state.stop_left_right(),
                //...
            }
        }

        // or use a game pad (range from -1 to 1)
        // drone.rc_state.go_left_right(dummy_joystick.axis.1);
        // drone.rc_state.go_forward_back(dummy_joystick.axis.2);
        // drone.rc_state.go_up_down(dummy_joystick.axis.3);
        // drone.rc_state.turn(dummy_joystick.axis.4);

        // the poll will send the move command to the drone
        drone.poll();

        canvas.present();
        ::std::thread::sleep(Duration::new(0, 1_000_000_000u32 / 20));
    }
}