load transformers from config file

wip

fix borrowing issue and make everything compile

wip

Cargo.toml

@@ -14,3 +14,4 @@ log = "0.4.18"
 redis = "0.23.0"
 ron = "0.8.0"
 serde = { version = "1.0.163", features = ["derive"] }
+toml = "0.7.4"

copyme.Settings.toml

@@ -18,3 +18,11 @@ id = 0
 # For Etherdream. IP of the DAC
 # [dac.etherdream]
 # url = "192.168.1.68"
+
+[[transformers]]
+[transformers.translate]
+x = 2000
+y = 2000
+[[transformers]]
+[transformers.replicate]
+Until = 48

src/conf.rs

@@ -1,16 +1,19 @@
 use config::Config;
 use serde::{Serialize,Deserialize};
 use crate::errors::LJResult;
+use crate::transformer;
 
-#[derive(Serialize, Deserialize, Debug)]
+#[derive(Serialize, Deserialize, Debug, Clone)]
 pub struct Conf {
     pub laser_id: u8,
     pub debug: bool,
     pub redis_url: String,
-    pub dac: DacFamily
+    pub dac: DacFamily,
+    #[serde(default)]
+    pub transformers: Vec<TransformConf>
 }
 
-#[derive(Serialize, Deserialize, Debug)]
+#[derive(Serialize, Deserialize, Debug, Clone)]
 pub enum DacFamily {
     #[serde(rename = "helios")] 
     Helios(HeliosConf),
@@ -18,16 +21,25 @@ pub enum DacFamily {
     Etherdream(EtherDreamConf),
 }
 
-#[derive(Serialize, Deserialize, Debug)]
+#[derive(Serialize, Deserialize, Debug, Clone)]
 pub struct HeliosConf {
     pub id: u8
 }
 
-#[derive(Serialize, Deserialize, Debug)]
+#[derive(Serialize, Deserialize, Debug, Clone)]
 pub struct EtherDreamConf {
     pub url: String
 }
 
+#[derive(Serialize, Deserialize, Debug, Clone)]
+pub enum TransformConf {
+    #[serde(rename = "translate")] 
+    Translate(transformer::Translate),
+    #[serde(rename = "replicate")] 
+    Replicate(transformer::Replicate)
+}
+
+
 impl Conf {
     pub fn new(path: &str) -> LJResult<Conf> {
 	let settings = Config::builder()
@@ -37,4 +49,30 @@ impl Conf {
 	let conf : Conf = settings.try_deserialize()?;
 	Ok(conf)
     }
+
+    pub fn get_transformers(&self) -> Vec<Box<dyn transformer::Transformers>> {
+	let mut v = vec![];
+	for t in &self.transformers {
+	    let t : Box<dyn transformer::Transformers> = match t {
+		TransformConf::Translate(t) => Box::new(t.clone()),
+		TransformConf::Replicate(r) => Box::new(r.clone())
+	    };
+	    v.push(t);
+	}
+	v
+    }
+    
+    pub fn dump() {
+	let conf = Conf { laser_id: 0,
+			  debug: true,
+			  redis_url: "redis://127.0.0.1:6379/".to_string(),
+			  dac: DacFamily::Helios(HeliosConf { id: 0 }),
+			  transformers: vec![
+			      TransformConf::Translate(transformer::Translate::new(2000.0,2000.0)),
+			      TransformConf::Replicate(transformer::Replicate::Until(48))
+			  ]
+	};
+	let s = toml::to_string(&conf).unwrap();
+	println!("{}", s);
+    }
 }

src/device.rs

@@ -1,15 +0,0 @@
-mod common;
-mod helios;
-
-use crate::conf::{Conf, DacFamily}; //, EtherDreamConf, HeliosConf};
-use crate::device::common::Device;
-use crate::device::helios::HeliosDevice;
-
-pub fn device_factory(config: Conf) -> Box<dyn Device> {
-    let device = match config.dac {
-        DacFamily::Helios(conf) => Box::new(HeliosDevice::new(conf)),
-        DacFamily::Etherdream(_conf) => todo!(),
-    };
-
-    device
-}

src/device/helios.rs

@@ -2,29 +2,35 @@
 /// Configure udev:
 /// https://github.com/Grix/helios_dac/blob/master/docs/udev_rules_for_linux.md
 ///
-/*
-use helios_dac::NativeHeliosDacController;
+use helios_dac::{NativeHeliosDac, NativeHeliosDacController};
 use helios_dac::{
 	// Coordinate,
 	Color,
 	DeviceStatus,
 	Frame,
-    Point,
+	Point as HeliosPoint,
 };
-*/
 use crate::conf::HeliosConf;
-use crate::device::common::{Device, Status};
+use crate::device::{Device, Status};
+use crate::errors::{LJError, LJResult};
+use crate::point::Point;
 
 pub struct HeliosDevice {
 	pub conf: HeliosConf,
+	dac: NativeHeliosDac,
 }
 
 impl HeliosDevice {
-
-    pub fn new ( conf: HeliosConf) -> Self{
-        Self{ conf }
+	pub fn new(conf: &HeliosConf) -> LJResult<Self> {
+		let id = conf.id;
+		let controller = NativeHeliosDacController::new()?;
+		let devices = controller.list_devices()?;
+		let Some(device) = devices.into_iter().nth(id as usize) else {
+			return Err(Box::new(LJError::HeliosDeviceMissing));
+		};
+		let dac = device.open()?;
+		Ok(Self { conf: (*conf).clone(), dac })
 	}
-
 }
 
 impl Device for HeliosDevice {
@@ -35,4 +41,20 @@ impl Device for HeliosDevice {
 			properties: vec!["foo".to_string()],
 		};
 	}
+
+	fn draw(&self,
+	        line: Vec<Point>,
+	        speed: u32,
+	) -> LJResult<()> {
+		while let Ok(DeviceStatus::NotReady) = self.dac.status() {}
+
+		let points: Vec<helios_dac::Point> = line.into_iter().map(|p| p.into()).collect();
+		let frame = Frame::new(speed, points);
+		Ok(())
+	}
+
+	fn stop(&mut self) -> LJResult<()> {
+		self.dac.stop()?;
+		Ok(())
+	}
 }

src/device/mod.rs

@@ -0,0 +1,45 @@
+use crate::point::Point;
+
+mod helios;
+
+use crate::conf::{Conf, DacFamily, EtherDreamConf, HeliosConf};
+use crate::device::helios::HeliosDevice;
+use crate::errors::LJResult;
+
+/*
+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
+*/
+
+
+pub struct Status {
+    pub active: bool,
+    pub last_traced_at: String,
+    pub properties: Vec<String>
+}
+
+pub trait Device {
+    fn status( &self ) -> Status;
+    fn draw(
+	    &self,
+	    frame: Vec<Point>,
+    	speed: u32,
+    ) -> LJResult<()> ;
+    fn stop(&mut self) -> LJResult<()>;
+}
+
+pub fn device_factory(config: &Conf) -> LJResult<Box<dyn Device>> {
+	let device = match &config.dac {
+		DacFamily::Helios(conf) => Box::new(HeliosDevice::new(conf)?),
+		DacFamily::Etherdream(_conf) => todo!(),
+	};
+	Ok(device)
+}

src/lib.rs

@@ -1,4 +1,7 @@
-pub mod conf;
+/*
 pub mod redis_ctrl;
+pub mod conf;
 pub mod errors;
 pub mod device;
+pub mod point;
+*/

src/main.rs

@@ -9,29 +9,18 @@ mod point;
 mod transformer;
 mod device;
 
-use helios_dac::{
-	self,
-	NativeHeliosDacController,
-	NativeHeliosDac,
-	DeviceStatus,
-	Frame,
-};
-use std::sync::{
-    atomic::{AtomicBool, Ordering},
-    Arc
-};
+use device::device_factory;
+use std::sync::atomic::{AtomicBool, Ordering};
+use std::sync::Arc;
 use redis_ctrl::{RedisCtrl, Order};
+use conf::Conf;
+use errors::LJResult;
+use point::Point;
+use transformer::{Transformers, Translate, Replicate};
 use log::{LevelFilter, info, /* warn, */ error};
 use env_logger::Builder;
 
-use conf::Conf;
-use errors::{LJError, LJResult};
-use point::Point;
-use device::device_factory;
-use transformer::{Transformers,Translate,Replicate};
-
 const DEFAULT_CONF_FILE: &str = "settings.toml";
-const CENTER: (f32, f32) = (2000.0, 2000.0);
 
 pub fn main() {
 	match run_all() {
@@ -43,6 +32,7 @@ pub fn main() {
 }
 
 fn run_all() -> LJResult<()> {
+	// Setup configuration file and set up logs
 	let filename = std::env::args().nth(1).unwrap_or_else(|| {
 		DEFAULT_CONF_FILE.to_string()
 	});
@@ -52,37 +42,43 @@ fn run_all() -> LJResult<()> {
 	let config = config?;
 	info!("*** Starting up ***");
 
+	info!("{:?}", config);
+
+	// Setup Redis Service
 	let mut rs = RedisCtrl::new(&config.redis_url)?;
 
+	// Setup handler for interrupt Signals
 	let running = Arc::new(AtomicBool::new(true));
 	let r = running.clone();
 	ctrlc::set_handler(move || {
 		r.store(false, Ordering::SeqCst);
 	})?;
 
-	let mut device = get_helios_device()?;
+	// Setup Laser Device based on conf
+	let mut tracer = device_factory(&config)?;
 
-	let transformers: Vec<Box<dyn Transformers>> = vec![
-		Box::new(Translate::new(CENTER.0, CENTER.1)),
-		Box::new(Replicate::Until(48)),
-	];
+	// can't work, but we can add + Debug to Device to make it work...
+	//dbg!(tracer);
 
+	// Setup geometry transformers on points lists
+	let transformers = config.get_transformers(); 
+
+	// Dispatch based on redis requests
 	while running.load(Ordering::SeqCst) {
-
 		let order = rs.get_order(config.laser_id)?;
 		if order != Order::Draw {
 			info!("Order: {:?}", order);
 		}
 
-		let frame = get_next_frame(&config, 1000, &transformers,
+		let frame = get_next_frame(&config, &transformers,
 		                           &mut rs, order == Order::Black)?;
 
-		while let Ok(DeviceStatus::NotReady) = device.status() {}
-		device.write_frame(frame)?;
+		// For now, draw all the time
+		tracer.draw(frame, 1000)?;
 	}
 
 	info!("Exiting, stoping device.");
-	device.stop()?;
+	tracer.stop()?;
 	Ok(())
 }
 
@@ -101,23 +97,12 @@ fn init_logging(config: &LJResult<Conf>) {
 	env_logger::init();
 }
 
-fn get_helios_device() -> LJResult<NativeHeliosDac> {
-	let controller = NativeHeliosDacController::new()?;
-	let devices = controller.list_devices()?;
-	let Some(device) = devices.into_iter().next() else {
-		return Err(Box::new(LJError::HeliosDeviceMissing));
-	};
-	let device = device.open()?;
-	Ok(device)
-}
-
 fn get_next_frame(
 	config: &Conf,
-	speed: u32,
 	transformers: &[Box<dyn Transformers>],
 	rs: &mut RedisCtrl,
 	_black: bool,
-) -> LJResult<Frame> {
+) -> LJResult<Vec<Point>> {
 	let line = rs.get(&format!("/pl/{}/0", config.laser_id))?;
 	let mut line: Vec<Point> = line.into_iter().map(|tpl| tpl.into()).collect();
 	for transformer in transformers {
@@ -125,7 +110,5 @@ fn get_next_frame(
 	}
 
 	info!("Line: {:?}", line);
-
-	let line2: Vec<helios_dac::Point> = line.into_iter().map(|p| p.into()).collect();
-	Ok(Frame::new(speed, line2))
+	Ok(line)
 }

src/transformer/replicate.rs

@@ -1,10 +1,11 @@
 use crate::Transformers;
 use crate::point::Point;
+use serde::{Serialize,Deserialize};
 
 /// Replicate
 
 #[allow(dead_code)]
-#[derive(Debug,Clone,Copy)]
+#[derive(Serialize,Deserialize,Debug,Clone,Copy)]
 pub enum Replicate {
     Until(usize),
     Times(usize)

src/transformer/translate.rs

@@ -1,8 +1,10 @@
 use crate::Transformers;
 use crate::point::Point;
+use serde::{Serialize,Deserialize};
+
 /// Translate
 
-#[derive(Debug,Clone,Copy)]
+#[derive(Serialize,Deserialize,Debug,Clone,Copy)]
 pub struct Translate {
     x: f32,
     y: f32