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

@@ -23,7 +23,7 @@ fn main() {
     // 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;
     // 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;
 
@@ -70,7 +70,6 @@ fn main() {
                 err
             );
         });
-	eprintln!("Stream dac{:?}", stream.dac());
 
     // Loop and continue to send points forever.
     loop {
@@ -129,7 +128,7 @@ 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;

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

@@ -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) => {
@@ -85,6 +74,20 @@ impl EtherdreamDevice {
 
 	fn get_tcp_stream(dac: &DacBroadcast, source_address: &SocketAddr) -> LJResult<Stream> {
 		let mut stream = connect(dac, source_address.ip())?;
+		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()
@@ -92,10 +95,13 @@ impl EtherdreamDevice {
 				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) {
 			debug!("New chunk length: {:?}", chunk.len());
-			loop {
 			let capacity = self.points_capacity();
+			debug!("capacity : {:?}", capacity);
+			loop {
 				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
+				color: pt.color * ws.intensity,
+				..*pt
 		}
 	}).collect();
-		debug!("list intensity {:?}", out);
+		// debug!("list intensity {:?}", out);
 		out
 	}
 }