fix: etherdream: use sleep instead of ping

copyme.settings.toml

@@ -22,10 +22,10 @@ redis_url = "redis://127.0.0.1:6379/"
 # [dac.etherdream]
 # ip = "192.168.1.68"
 
-[[transformers]]
-[transformers.translate]
-x = 2000
-y = 2000
+#[[transformers]]
+#[transformers.translate]
+#x = 20
+#y = 20
 
 [[transformers]]
 [transformers.replicate]

examples/etherdream.rs

@@ -3,149 +3,148 @@ extern crate ether_dream;
 use ether_dream::dac;
 
 fn main() {
-	println!("Listening for an Ether Dream DAC...");
+    println!("Listening for an Ether Dream DAC...");
 
-	let (dac_broadcast, source_addr) = ether_dream::recv_dac_broadcasts()
-		.expect("failed to bind to UDP socket")
-		.filter_map(Result::ok)
-		.next()
-		.unwrap();
-	let mac_address = dac::MacAddress(dac_broadcast.mac_address);
+    let (dac_broadcast, source_addr) = ether_dream::recv_dac_broadcasts()
+        .expect("failed to bind to UDP socket")
+        .filter_map(Result::ok)
+        .next()
+        .unwrap();
+    let mac_address = dac::MacAddress(dac_broadcast.mac_address);
 
-	println!(
-		"Discovered DAC \"{}\" at \"{}\"! Connecting...",
-		mac_address, source_addr
-	);
+    println!(
+        "Discovered DAC \"{}\" at \"{}\"! Connecting...",
+        mac_address, source_addr
+    );
 
-	// Establish the TCP connection.
-	let mut stream = dac::stream::connect(&dac_broadcast, source_addr.ip().clone()).unwrap();
+    // Establish the TCP connection.
+    let mut stream = dac::stream::connect(&dac_broadcast, source_addr.ip().clone()).unwrap();
 
-	// If we want to create an animation (in our case a moving sine wave) we need a frame rate.
-	let frames_per_second = 60.0;
-	// Lets use the DAC at an eighth the maximum scan rate.
-	let points_per_second = stream.dac().max_point_rate / 32;
-	// Determine the number of points per frame given our target frame and point rates.
-	let points_per_frame = (points_per_second as f32 / frames_per_second) as u16;
+    // If we want to create an animation (in our case a moving sine wave) we need a frame rate.
+    let frames_per_second = 60.0;
+    // Lets use the DAC at an eighth the maximum scan rate.
+    let points_per_second = 20_000;
+    // Determine the number of points per frame given our target frame and point rates.
+    let points_per_frame = (points_per_second as f32 / frames_per_second) as u16;
 
-	println!(
-		"Preparing for playback:\n\tframe_hz: {}\n\tpoint_hz: {}\n\tpoints_per_frame: {}\n",
-		frames_per_second, points_per_second, points_per_frame
-	);
+    println!(
+        "Preparing for playback:\n\tframe_hz: {}\n\tpoint_hz: {}\n\tpoints_per_frame: {}\n",
+        frames_per_second, points_per_second, points_per_frame
+    );
 
-	// Prepare the DAC's playback engine and await the repsonse.
-	stream
-		.queue_commands()
-		.prepare_stream()
-		.submit()
-		.err()
-		.map(|err| {
-			eprintln!(
-				"err occurred when submitting PREPARE_STREAM \
+    // Prepare the DAC's playback engine and await the repsonse.
+    stream
+        .queue_commands()
+        .prepare_stream()
+        .submit()
+        .err()
+        .map(|err| {
+            eprintln!(
+                "err occurred when submitting PREPARE_STREAM \
                       command and listening for response: {}",
-				err
-			);
-		});
+                err
+            );
+        });
 
-	println!("Beginning playback!");
+    println!("Beginning playback!");
 
-	// The sine wave used to generate points.
-	let mut sine_wave = SineWave {
-		point: 0,
-		points_per_frame,
-		frames_per_second,
-	};
+    // The sine wave used to generate points.
+    let mut sine_wave = SineWave {
+        point: 0,
+        points_per_frame,
+        frames_per_second,
+    };
 
-	// Queue the initial frame and tell the DAC to begin producing output.
-	let n_points = points_to_generate(stream.dac());
-	stream
-		.queue_commands()
-		.data(sine_wave.by_ref().take(n_points))
-		.begin(0, points_per_second)
-		.submit()
-		.err()
-		.map(|err| {
-			eprintln!(
-				"err occurred when submitting initial DATA and BEGIN \
+    // Queue the initial frame and tell the DAC to begin producing output.
+    let n_points = points_to_generate(stream.dac());
+    stream
+        .queue_commands()
+        .data(sine_wave.by_ref().take(n_points))
+        .begin(0, points_per_second)
+        .submit()
+        .err()
+        .map(|err| {
+            eprintln!(
+                "err occurred when submitting initial DATA and BEGIN \
                       commands and listening for response: {}",
-				err
-			);
-		});
-	eprintln!("Stream dac{:?}", stream.dac());
+                err
+            );
+        });
 
-	// Loop and continue to send points forever.
-	loop {
-		// Determine how many points the DAC can currently receive.
-		let n_points = points_to_generate(stream.dac());
-		if let Err(err) = stream
-			.queue_commands()
-			.data(sine_wave.by_ref().take(n_points))
-			.submit()
-		{
-			eprintln!(
-				"err occurred when submitting DATA command and listening \
+    // Loop and continue to send points forever.
+    loop {
+        // Determine how many points the DAC can currently receive.
+        let n_points = points_to_generate(stream.dac());
+        if let Err(err) = stream
+            .queue_commands()
+            .data(sine_wave.by_ref().take(n_points))
+            .submit()
+        {
+            eprintln!(
+                "err occurred when submitting DATA command and listening \
                       for response: {}",
-				err
-			);
-			break;
-		}
-	}
+                err
+            );
+            break;
+        }
+    }
 
-	// Tell the DAC to stop producing output and return to idle. Wait for the response.
-	//
-	// Note that the DAC is commanded to stop on `Drop` if this is not called and any errors
-	// produced are ignored.
-	stream
-		.queue_commands()
-		.stop()
-		.submit()
-		.expect("err occurred when submitting STOP command and listening for response");
+    // Tell the DAC to stop producing output and return to idle. Wait for the response.
+    //
+    // Note that the DAC is commanded to stop on `Drop` if this is not called and any errors
+    // produced are ignored.
+    stream
+        .queue_commands()
+        .stop()
+        .submit()
+        .expect("err occurred when submitting STOP command and listening for response");
 }
 
 // Determine the number of points needed to fill the DAC.
 fn points_to_generate(dac: &ether_dream::dac::Dac) -> usize {
-	dac.buffer_capacity as usize - 1 - dac.status.buffer_fullness as usize
+    dac.buffer_capacity as usize - 1 - dac.status.buffer_fullness as usize
 }
 
 // An iterator that endlessly generates a sine wave of DAC points.
 //
 // The sine wave oscillates at a rate of once per second.
 struct SineWave {
-	point: u32,
-	points_per_frame: u16,
-	frames_per_second: f32,
+    point: u32,
+    points_per_frame: u16,
+    frames_per_second: f32,
 }
 
 impl Iterator for SineWave {
-	type Item = ether_dream::protocol::DacPoint;
-	fn next(&mut self) -> Option<Self::Item> {
-		let coloured_points_per_frame = self.points_per_frame - 1;
-		let i = (self.point % self.points_per_frame as u32) as u16;
-		let hz = 1.0;
-		let fract = i as f32 / coloured_points_per_frame as f32;
-		let phase = (self.point as f32 / coloured_points_per_frame as f32) / self.frames_per_second;
-		let amp = (hz * (fract + phase) * 2.0 * std::f32::consts::PI).sin();
-		let (r, g, b) = match i {
-			i if i == coloured_points_per_frame || i < 13 => (0, 0, 0),
-			_ => (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 = (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;
-		let (u1, u2) = (0, 0);
-		let p = ether_dream::protocol::DacPoint {
-			control,
-			x,
-			y,
-			i,
-			r,
-			g,
-			b,
-			u1,
-			u2,
-		};
-		self.point += 1;
-		Some(p)
-	}
-}
+    type Item = ether_dream::protocol::DacPoint;
+    fn next(&mut self) -> Option<Self::Item> {
+        let coloured_points_per_frame = self.points_per_frame - 1;
+        let i = (self.point % self.points_per_frame as u32) as u16;
+        let hz = 1.0;
+        let fract = i as f32 / coloured_points_per_frame as f32;
+        let phase = (self.point as f32 / coloured_points_per_frame as f32) / self.frames_per_second;
+        let amp = (hz * (fract + phase) * 2.0 * std::f32::consts::PI).sin();
+        let (r, g, b) = match i {
+            i if i == coloured_points_per_frame || i < 13 => (0, 0, 0),
+            _ => (std::u16::MAX, std::u16::MAX, std::u16::MAX),
+        };
+        let x_min = std::i16::MIN;
+        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;
+        let (u1, u2) = (0, 0);
+        let p = ether_dream::protocol::DacPoint {
+            control,
+            x,
+            y,
+            i,
+            r,
+            g,
+            b,
+            u1,
+            u2,
+        };
+        self.point += 1;
+        Some(p)
+    }
+}

src/conf.rs

@@ -78,7 +78,7 @@ impl Conf {
 				TransformConf::Intensity(r) => Box::new(*r),
 				TransformConf::Replicate(r) => Box::new(*r),
 				TransformConf::Rotate(r) => Box::new(*r),
-				TransformConf::Translate(t) => Box::new(*t),
+				TransformConf::Translate(r) => Box::new(*r),
 			};
 			v.push(t);
 		}

src/device/etherdream.rs

@@ -1,5 +1,5 @@
 #[warn(unused_imports)]
-use log::{ debug, info, warn};
+use log::{debug, info, warn};
 
 use std::net::SocketAddr;
 use std::thread::sleep;
@@ -14,6 +14,7 @@ use crate::device::{Device, Status, PlaybackState};
 use crate::errors::{LJError, LJResult};
 use crate::point::{Color, Point};
 use ether_dream::protocol::{DacBroadcast, DacResponse};
+use crate::device::PlaybackState::PLAYING;
 
 
 #[warn(dead_code)]
@@ -21,18 +22,6 @@ pub struct EtherdreamDevice {
 	pub conf: EtherDreamConf,
 	dac: DacBroadcast,
 	stream: Stream,
-
-	// "a": ACK   "F": Full  "I": invalid. 64 or 35 for no connection.
-	//     /// The previous command was accepted.
-	//     pub const ACK: u8 = 0x61;
-	//     /// The write command could not be performed because there was not enough buffer space when it
-	//     /// was received.
-	//     pub const NAK_FULL: u8 = 0x46;
-	//     /// The command contained an invalid `command` byte or parameters.
-	//     pub const NAK_INVALID: u8 = 0x49;
-	//     /// An emergency-stop condition still exists.
-	//     pub const NAK_STOP_CONDITION: u8 = 0x21;
-	// }
 	dac_response: u8,
 }
 
@@ -52,7 +41,7 @@ impl EtherdreamDevice {
 		dac_broadcast.set_timeout(Some(time::Duration::new(10, 0)))?;
 		info!("Attempting to get DAC broadcast...");
 		let broadcast = dac_broadcast
-			.take(3)
+			.take(5)
 			.filter_map(|result| {
 				match result {
 					Err(err) => {
@@ -85,17 +74,34 @@ impl EtherdreamDevice {
 
 	fn get_tcp_stream(dac: &DacBroadcast, source_address: &SocketAddr) -> LJResult<Stream> {
 		let mut stream = connect(dac, source_address.ip())?;
-		match stream
-			.queue_commands()
-			.prepare_stream()
-			.submit() {
-			Err(err) => warn!("err occurred when submitting PREPARE_STREAM command and listening for response: {}",err),
-			Ok(_) => info!("Prepared Stream.")
+		debug!("Stream dac BEFORE PREPARE {:?}", stream.dac());
+		debug!("Playback State BEFORE PREPARE {:?}, {:?}", stream.dac().dac.status.playback,  Playback::Playing );
+		if stream.dac().dac.status.playback == Playback::Playing {
+			warn!("DAC was in playback PLAYING, attempting to stop");
+			match stream
+				.queue_commands()
+				.stop()
+				.submit() {
+				Err(err) => warn!("err occurred when submitting STOP command: {}",err),
+				Ok(_) => info!("Prepared Stream.")
+			}
+		}
+		if stream.dac().dac.status.playback != Playback::Prepared {
+			warn!("DAC was not in playback state PREPARED, attempting to prepare");
+			match stream
+				.queue_commands()
+				.prepare_stream()
+				.submit() {
+				Err(err) => warn!("err occurred when submitting PREPARE_STREAM command and listening for response: {}",err),
+				Ok(_) => info!("Prepared Stream.")
+			}
 		}
 		// If we want to create an animation (in our case a moving sine wave) we need a frame rate.
 		let frames_per_second = 60.0;
 		// Lets use the DAC at an eighth the maximum scan rate.
-		let points_per_second = stream.dac().max_point_rate / 32;
+		let points_per_second = 20_000;
+		// let points_per_second = 30_000;
+		debug!("points per second {:?}", points_per_second);
 		// Determine the number of points per frame given our target frame and point rates.
 		let points_per_frame = (points_per_second as f32 / frames_per_second) as u16;
 
@@ -104,6 +110,7 @@ impl EtherdreamDevice {
 			points_per_frame,
 			frames_per_second,
 		};
+		debug!("Stream dac BEFORE BEGIN {:?}", stream.dac());
 
 		match stream
 			.queue_commands()
@@ -122,15 +129,15 @@ impl EtherdreamDevice {
 		/***
 		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 cap = self.dac.buffer_capacity as usize;
+		let fullness = self.stream.dac().dac.status.buffer_fullness as usize;
+		// Sometimes we had thread 'main' panicked at 'attempt to subtract with overflow', src/device/etherdream.rs:144:24
+		let n_points = if cap > fullness { cap - fullness } else { 0 };
 		n_points
 	}
 
 	fn ping(&mut self) -> LJResult<()> {
-
 		Ok(self.stream.queue_commands().ping().submit()?)
-
 	}
 }
 
@@ -144,6 +151,9 @@ impl Device for EtherdreamDevice {
 		let now = SystemTime::now();
 		let now: DateTime<Utc> = now.into();
 		let now = now.to_rfc3339();
+		// debug!("Dac Status: {:?} ", status );
+		// debug!("Etherdream Dac {:?} ", self.dac );
+		debug!("Stream dac{:?}", self.stream.dac());
 
 		Status {
 			last_traced_at: now,
@@ -152,9 +162,6 @@ impl Device for EtherdreamDevice {
 			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());
 		// status
 	}
 
@@ -162,22 +169,24 @@ impl Device for EtherdreamDevice {
 	        line: Vec<Point>,
 	        _speed: u32,
 	) -> LJResult<()> {
-		let chunk_size = 64;
+		let chunk_size = 512;
 		let points_iter = line.into_iter();
-		for chunk in  points_iter.as_slice().chunks(chunk_size){
+		for chunk in points_iter.as_slice().chunks(chunk_size) {
 			debug!("New chunk length: {:?}", chunk.len());
+			let capacity = self.points_capacity();
+			debug!("capacity : {:?}", capacity);
 			loop {
-				let capacity = self.points_capacity();
 				if chunk.len() > capacity as usize {
-					debug!("Sleep, capacity : {:?}", capacity);
+					debug!("Sleep");
 					// Sleep for 1/100th of a sec
-					sleep(Duration::new( 0,     10000000));
-					self.ping();
+					sleep(Duration::new(0, 100_000_000));
+					break;
+					// self.ping();
 				} else {
 					break;
 				}
 			}
-			debug!("drawing");
+			debug!("Drawing");
 			match self.stream
 				.queue_commands()
 				.data(
@@ -216,6 +225,7 @@ impl Device for EtherdreamDevice {
 
 	fn stop(&mut self) -> LJResult<()> {
 		info!("Stopping Etherdream device...");
+		info!("Stream dac{:?}", self.stream.dac());
 		match self.stream
 			.queue_commands()
 			.stop()

src/main.rs

@@ -76,7 +76,7 @@ fn run_all() -> LJResult<()> {
 	// Dispatch based on redis requests
 	while running.load(Ordering::SeqCst) {
 		rs.set_status(tracer.status())?;
-		let _ = framerate_handler.handle_time()?;
+		// let _ = framerate_handler.handle_time()?;
 		let order = rs.get_order(config.laser_id)?;
 		match order {
 			Order::Draw | Order::Black | Order::Grid => {

src/point.rs

@@ -15,6 +15,7 @@ pub struct Color {
 	pub g: u8,
 	pub b: u8,
 }
+
 impl Mul<u8> for Color {
     type Output = Self;
 

src/transformer/helios_to_etherdream.rs

@@ -7,16 +7,15 @@ use serde::{Serialize, Deserialize};
 /// Converts helios Geometry to Helios
 #[allow(dead_code)]
 #[derive(Serialize, Deserialize, Debug, Clone, Copy)]
-pub struct HeliosToEtherdream {
-}
+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),
+				x: 50.0 * (320.0 - pt.x),
+				y: 40.0 * (240.0 - pt.y),
 				..*pt
 			}
 		}).collect();

src/transformer/intensity.rs

@@ -8,20 +8,18 @@ use serde::{Serialize, Deserialize};
 /// Converts helios Geometry to Helios
 #[allow(dead_code)]
 #[derive(Serialize, Deserialize, Debug, Clone, Copy)]
-pub struct Intensity {
-}
+pub struct Intensity {}
 
 impl Transformers for Intensity {
 	fn apply(&self, point_list: &[Point], ws: &WorldState) -> Vec<Point> {
 		// debug!("list helios {:?}", point_list);
 		let out = point_list.iter().map(|pt| {
 			Point {
-				x: pt.x,
-				y: pt.y,
-				color: pt.color * ws.intensity
-			}
-		}).collect();
-		debug!("list intensity {:?}", out);
+				color: pt.color * ws.intensity,
+				..*pt
+		}
+	}).collect();
+		// debug!("list intensity {:?}", out);
 		out
 	}
 }