examples/etherdream.rs

@@ -129,7 +129,7 @@ impl Iterator for SineWave {
 			_ => (std::u16::MAX, std::u16::MAX, std::u16::MAX),
 		};
 		let x_min = std::i16::MIN;
-		let x_max = std::i8::MAX as i16;
+		let x_max = std::i16::MAX;
 		let x = (x_min as f32 + fract * (x_max as f32 - x_min as f32)) as i16;
 		let y = (amp * x_max as f32) as i16;
 		let control = 0;

examples/test.rs

@@ -1,46 +0,0 @@
-///
-/// $ cargo run --example simple_client
-///
-
-use redis::{
-	//RedisResult,
-	Client,
-	Commands,
-	Connection,
-};
-
-use std::time::Instant;
-
-fn do_something() -> redis::RedisResult<()> {
-	let client = Client::open("redis://127.0.0.1/")?;
-	let mut con: Connection = client.get_connection()?;
-	let start = Instant::now();
-
-	loop {
-		let elapsed = start.elapsed();
-		let time = 60.0 * elapsed.as_millis() as f32 / 1000.0;
-
-		let mut v: Vec<(f32, f32, u32)> = vec![];
-
-		for i in 0..128 {
-			let a = (time + i as f32) / 128.0 * std::f32::consts::PI * 2.0;
-			let r = 1200.0 + (a * 5.0).cos() * (500.0 * (time / 5.0).cos());
-
-			let x = a.cos() * r;
-			let y = a.sin() * r;
-			let col = if i % 8 < 4 {
-				0x000000ff
-			} else {
-				0x00ff0000
-			};
-			v.push((x, y, col));
-		}
-		// println!("{:?}", v);
-		let _ = con.set("/pl/0/0", format!("{:?}", v))?;
-	}
-	// Ok(())
-}
-
-fn main() {
-	_ = do_something();
-}

src/conf.rs

@@ -48,9 +48,7 @@ pub enum TransformConf {
     #[serde(rename = "grid")] 
     Grid(transformer::Grid),
     #[serde(rename = "homography")] 
-    Homography(transformer::Homography),
+    Homography(transformer::Homography)
-    #[serde(rename = "helios_to_etherdream")]
-    HeliosToEtherdream(transformer::HeliosToEtherdream),
 }
 
 
@@ -75,7 +73,6 @@ impl Conf {
 		TransformConf::FlipV(r) => Box::new(*r),		
 		TransformConf::Grid(r) => Box::new(*r),
 		TransformConf::Homography(r) => Box::new(*r),
-		TransformConf::HeliosToEtherdream(r) => Box::new(*r),
 	    };
 	    v.push(t);
 	}

src/device.rs

@@ -42,7 +42,7 @@ pub struct Status {
 	pub last_traced_at: String,
 	pub properties: Vec<String>,
 	pub playback_state: PlaybackState,
-	pub capacity: usize,
+	pub capacity: u16,
 	pub lack: String,
 }
 

src/device/etherdream.rs

@@ -1,20 +1,16 @@
-#[warn(unused_imports)]
+use std::time;
-use log::{ debug, info, warn};
-
 use std::net::SocketAddr;
-use std::thread::sleep;
 use ether_dream::dac::stream::{CommunicationError, connect};
 use ether_dream::dac::{Playback, Stream};
 use chrono::{DateTime, Utc};
-use std::time;
+use std::time::SystemTime;
-use std::time::{Duration, SystemTime};
 
 use crate::conf::EtherDreamConf;
 use crate::device::{Device, Status, PlaybackState};
 use crate::errors::{LJError, LJResult};
 use crate::point::{Color, Point};
 use ether_dream::protocol::{DacBroadcast, DacResponse};
-
+use log::{debug, info, warn};
 
 #[warn(dead_code)]
 pub struct EtherdreamDevice {
@@ -118,20 +114,14 @@ impl EtherdreamDevice {
 		Ok(stream)
 	}
 
-	fn points_capacity(&self) -> usize {
+	fn points_capacity(&self) -> u16 {
 		/***
 		Determine the number of points needed to fill the DAC.
 		 ***/
 		// Fixme thread 'main' panicked at 'attempt to subtract with overflow', src/device/etherdream.rs:144:24
-		let n_points = self.dac.buffer_capacity as usize - self.stream.dac().dac.status.buffer_fullness as usize - 1;
+		let n_points = self.dac.buffer_capacity as u16 - self.stream.dac().dac.status.buffer_fullness as u16 - 1;
 		n_points
 	}
-
-	fn ping(&mut self) -> LJResult<()> {
-
-		Ok(self.stream.queue_commands().ping().submit()?)
-
-	}
 }
 
 impl Device for EtherdreamDevice {
@@ -145,46 +135,37 @@ impl Device for EtherdreamDevice {
 		let now: DateTime<Utc> = now.into();
 		let now = now.to_rfc3339();
 
-		Status {
+		let status = Status {
 			last_traced_at: now,
 			properties: vec!["foo".to_string()],
 			playback_state,
 			capacity: self.points_capacity(),
 			lack: self.dac_response.to_string(),
-		}
+		};
 		// debug!("Dac Status: {:?} ", status );
 		// debug!("Etherdream Dac {:?} ", self.dac );
-		// debug!("Stream dac{:?}", self.stream.dac());
+		debug!("Stream dac{:?}", self.stream.dac());
-		// status
+		status
 	}
 
 	fn draw(&mut self,
 	        line: Vec<Point>,
 	        _speed: u32,
 	) -> LJResult<()> {
-		let chunk_size = 64;
+		let n_points = self.points_capacity();
-		let points_iter = line.into_iter();
+		// let n_points = &line.len();
-		for chunk in  points_iter.as_slice().chunks(chunk_size){
+		debug!("Etherdream::device draw Generating {:?} points", n_points);
-			debug!("New chunk length: {:?}", chunk.len());
+
-			loop {
+
-				let capacity = self.points_capacity();
-				if chunk.len() > capacity as usize {
-					debug!("Sleep, capacity : {:?}", capacity);
-					// Sleep for 1/100th of a sec
-					sleep(Duration::new( 0,     10000000));
-					self.ping();
-				} else {
-					break;
-				}
-			}
-			debug!("drawing");
 		match self.stream
 			.queue_commands()
 			.data(
-					chunk.into_iter()
+				line.into_iter()
-						.map(|point| (*point).into())
+					.map(|point| point.into())
-						.take(chunk_size as usize)
+					.take(n_points as usize)
 			)
+			// .data(sine_wave.by_ref().take(n_points as usize))
+
 			.submit() {
 			Err(err) => {
 				// We should account for
@@ -207,10 +188,9 @@ impl Device for EtherdreamDevice {
 			}
 			Ok(_) => {
 				self.dac_response = DacResponse::ACK;
-					// debug!("Draw is ok");
+				debug!("Draw is ok");
 			}
 		};
-		}
 		Ok(())
 	}
 
@@ -294,7 +274,7 @@ impl Iterator for SineWave {
 			u1,
 			u2,
 		};
-		// debug!("{:?}",p);
+		debug!("{:?}",p);
 		self.point += 1;
 		Some(p)
 	}

src/device/helios.rs

@@ -57,7 +57,7 @@ impl Device for HeliosDevice {
 			last_traced_at: self.last_traced_at.clone(),
 			properties: vec!["foo".to_string()],
 			playback_state: self.state,
-			capacity: self.sent_points as usize,
+			capacity: self.sent_points,
 			lack,
 		}
 	}

src/framerate.rs

@@ -1,39 +0,0 @@
-use log::{debug, warn};
-use std::time::{Duration, Instant};
-use crate::errors::LJResult;
-use std::{thread};
-
-/// Converts helios Geometry to Helios
-#[derive(Debug, Clone, Copy)]
-pub struct Framerate {
-	prev_trace_time: Instant,
-	fps: u8,
-}
-
-impl Framerate {
-	pub fn new() -> LJResult<Self> {
-		Ok(Framerate {
-			prev_trace_time: Instant::now(),
-			fps: 20,
-		})
-	}
-	pub fn handle_time(&mut self) -> LJResult<()> {
-		let frame_time = 1000000000 / self.fps as u128;
-		let now = Instant::now();
-		// How long since last loop ?
-		let nanotime_spent = self.prev_trace_time.elapsed().as_nanos();
-		// Diw it go too fast? If so : sleep a bit
-		if frame_time > nanotime_spent {
-			let nanotime_towait = frame_time - nanotime_spent;
-			let dur = Duration::new(0, (nanotime_towait as f32 * 0.9) as u32);
-			// debug!("{:?} - {:?} : {:?}", nanotime_towait, self.prev_trace_time, now );
-			thread::sleep(dur);
-			debug!("Framerate OK");
-		} else {
-			warn!("Frame longer than expected {:?} > {:?}", nanotime_spent, frame_time, );
-		}
-
-		self.prev_trace_time = now;
-		Ok(())
-	}
-}

src/lib.rs

@@ -5,4 +5,3 @@ pub mod device;
 pub mod point;
 pub mod transformer;
 pub mod worldstate;
-pub mod framerate;

src/main.rs

@@ -9,7 +9,6 @@ mod point;
 mod transformer;
 mod device;
 mod worldstate;
-mod framerate;
 
 use device::device_factory;
 use std::sync::atomic::{AtomicBool, Ordering};
@@ -22,7 +21,6 @@ use transformer::Transformers;
 use log::{LevelFilter, info, /* warn, */ error};
 use env_logger::Builder;
 use worldstate::WorldState;
-use framerate::Framerate;
 
 const DEFAULT_CONF_FILE: &str = "settings.toml";
 
@@ -70,13 +68,9 @@ fn run_all() -> LJResult<()> {
 	// Setup geometry transformers on points lists
 	let transformers = config.get_transformers();
 
-	// Setup framerate limiter
-	let mut framerate_handler = Framerate::new()?;
-
 	// Dispatch based on redis requests
 	while running.load(Ordering::SeqCst) {
 		rs.set_status(tracer.status())?;
-		let _ = framerate_handler.handle_time()?;
 		let order = rs.get_order(config.laser_id)?;
 		match order {
 			Order::Draw | Order::Black | Order::Grid => {

src/point.rs

@@ -1,6 +1,5 @@
 use ether_dream::protocol::DacPoint;
 
-
 #[derive(Debug, Clone, Copy, Default, PartialEq)]
 pub struct Point {
 	pub x: f32,
@@ -49,10 +48,10 @@ impl From<Point> for DacPoint {
 	fn from(pt: Point) -> DacPoint {
 		let control = 0;
 		let (u1, u2) = (0, 0);
-		let i = 0;
+		let i = 255;
 		let x = pt.x.clamp(-32000.0, 32000.0);
 		let y = pt.y.clamp(-32000.0, 32000.0);
-		let pt = DacPoint {
+		DacPoint {
 			control,
 			x: x as i16,
 			y: y as i16,
@@ -62,8 +61,6 @@ impl From<Point> for DacPoint {
 			b: (pt.color.b as u16) * 255,
 			u1,
 			u2,
-		};
+		}
-		// debug!("point {:?}", pt);
-		pt
 	}
 }

src/transformer.rs

@@ -6,7 +6,6 @@ mod flip_horizontal;
 mod flip_vertical;
 mod grid;
 mod homography;
-mod helios_to_etherdream;
 
 use crate::point::Point;
 use crate::worldstate::WorldState;
@@ -19,7 +18,6 @@ pub use flip_horizontal::FlipHorizontal;
 pub use flip_vertical::FlipVertical;
 pub use grid::Grid;
 pub use self::homography::Homography;
-pub use helios_to_etherdream::HeliosToEtherdream;
 
 pub trait Transformers {
     fn apply(

src/transformer/helios_to_etherdream.rs

@@ -1,27 +0,0 @@
-use crate::transformer::Transformers;
-use crate::point::Point;
-use crate::worldstate::WorldState;
-
-use serde::{Serialize, Deserialize};
-
-/// Converts helios Geometry to Helios
-#[allow(dead_code)]
-#[derive(Serialize, Deserialize, Debug, Clone, Copy)]
-pub struct HeliosToEtherdream {
-}
-
-impl Transformers for HeliosToEtherdream {
-	fn apply(&self, point_list: &[Point], _ws: &WorldState) -> Vec<Point> {
-		// debug!("list helios {:?}", point_list);
-		let out = point_list.iter().map(|pt| {
-			Point {
-				x: 8.0 * (pt.x - 2047.0),
-				y: 8.0 * (pt.y - 2047.0),
-				..*pt
-			}
-		}).collect();
-		// debug!("list etherdream {:?}", out);
-		out
-	}
-}
-