lj_rust/src/device.rs

mod helios;
mod dummy;
mod etherdream;

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

/*
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)
}