lj_rust/src/device.rs

mod dummy;
mod etherdream;
mod helios;

use crate::conf::{Conf, DacFamily /*EtherDreamConf, HeliosConf*/};
use crate::device::dummy::DummyDevice;
use crate::device::etherdream::EtherdreamDevice;
use crate::device::helios::HeliosDevice;
use crate::errors::LJResult;
use crate::point::Point;
use serde::Serialize;
use std::fmt;

/*
self.protocol_version,
self.le_state,
self.playback_state,
self.source,
self.le_flags,
self.playback_flags,
self.source_flags,
self.fullness,
self.point_rate,
self.point_count
*/
#[repr(u8)]
#[derive(Debug, PartialEq, Serialize, Copy, Clone)]
pub enum PlaybackState {
    IDLE = 0,
    PREPARE = 1,
    PLAYING = 2,
    UNKNOWN = 99,
}

impl fmt::Display for PlaybackState {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        write!(f, "{:?}", self)
    }
}

#[derive(Debug)]
pub struct Status {
    pub last_traced_at: String,
    pub properties: Vec<String>,
    pub playback_state: PlaybackState,
    pub capacity: u16,
    pub lack: String,
}

// /lstt/lasernumber       etherdream last_status.playback_state  (0: idle   1: prepare   2: playing)
// /cap/lasernumber        number of empty points sent to fill etherdream buffer (up to 1799)
// /lack/lasernumber       "a": ACK   "F": Full  "I": invalid. 64 or 35 for no connection.

pub trait Device {
    fn status(&mut self) -> Status;
    fn draw(&mut self, frame: Vec<Point>, speed: u32) -> LJResult<()>;
    fn stop(&mut self) -> LJResult<()>;
    fn grid(&mut self) -> Vec<Point>;
}

pub fn device_factory(config: &Conf) -> LJResult<Box<dyn Device>> {
    let device: Box<dyn Device> = match &config.dac {
        DacFamily::Helios(conf) => Box::new(HeliosDevice::new(conf)?),
        DacFamily::Etherdream(conf) => Box::new(EtherdreamDevice::new(conf)?),
        DacFamily::Dummy => Box::new(DummyDevice::new()?),
    };
    Ok(device)
}