wip

Cargo.toml

@@ -11,11 +11,13 @@ name = "renderbug"
 harness = false # do not use the built in cargo test harness -> resolve rust-analyzer errors
 
 [profile.release]
-opt-level = "s"
+opt-level = 3
+lto = "on"
 
 [profile.dev]
 debug = true    # Symbols are nice and they don't increase the size on Flash
-opt-level = "z"
+opt-level = "s"
+lto = "on"
 
 [features]
 default = ["std", "esp-idf-svc/native", "rmt", "smart-leds"]
@@ -48,6 +50,9 @@ embedded-graphics = { version = "0.8.1", optional = true, features = ["fixed_poi
 ansi_term = "0.12.1"
 num = "0.4.3"
 chrono = "0.4.38"
+serde_json = "1.0.133"
+ssd1306 = "0.9.0"
+embedded-hal = "1.0.0"
 
 [build-dependencies]
 embuild = "0.32.0"

espflash.toml

@@ -1 +1,2 @@
 partition_table = "partitions.csv"
+baudrate = 460800

src/animations/mod.rs

@@ -0,0 +1,87 @@
+pub mod test;
+
+use palette::Hsv;
+
+use rgb::RGB8;
+
+use crate::events::EventBus;
+use crate::geometry::*;
+use crate::render::{Shader, Surface, Surfaces};
+use crate::task::Task;
+use crate::lib8::{trig::{sin8, cos8}, noise::inoise8, IntoRgb8};
+
+#[derive(Debug)]
+pub struct IdleTask<T: Surface> {
+    solid: T,
+    surface: T,
+    shimmer: T,
+}
+
+#[derive(Debug)]
+struct SolidShader {}
+
+impl Shader for SolidShader {
+    fn draw(&self, _coords: &VirtualCoordinates, frame: usize) -> RGB8 {
+        Hsv::new_srgb((frame % 255) as u8, 255, sin8((frame % 64) as u8)).into_rgb8()
+    }
+}
+
+#[derive(Debug)]
+struct ShimmerShader {}
+
+impl Shader for ShimmerShader {
+    fn draw(&self, coords: &VirtualCoordinates, frame: usize) -> RGB8 {
+        Hsv::new_srgb(((coords.x as usize).wrapping_add(frame / 3) % 255) as u8, coords.y, sin8(frame).max(75).min(64)).into_rgb8()
+    }
+}
+
+#[derive(Debug)]
+struct ThinkingShader {}
+
+impl Shader for ThinkingShader {
+    fn draw(&self, coords: &VirtualCoordinates, frame: usize) -> RGB8 {
+        //let noise_x = sin8(sin8((frame % 255) as u8).wrapping_add(coords.x));
+        //let noise_y = cos8(cos8((frame % 255) as u8).wrapping_add(coords.y));
+        let offset_x = sin8(frame.wrapping_add(coords.x as usize));
+        let offset_y = cos8(frame.wrapping_add(coords.y as usize));
+        let noise_x = offset_x / 2;
+        let noise_y = offset_y / 2;
+        //let noise_x = coords.x.wrapping_add(offset_x);
+        //let noise_y = coords.y.wrapping_add(offset_y);
+        Hsv::new_srgb(
+            inoise8(offset_x as i16, offset_y as i16),
+            128_u8.saturating_add(inoise8(noise_y as i16, noise_x as i16)),
+            255
+        ).into_rgb8()
+    }
+}
+
+impl<T: Surface> IdleTask<T> {
+    pub fn new<S: Surfaces<Surface = T>>(surfaces: &mut S) -> Self {
+        IdleTask {
+            solid: surfaces.new_surface(Rectangle::everything()).unwrap(),
+            surface: surfaces.new_surface(Rectangle::everything()).unwrap(),
+            shimmer: surfaces.new_surface(Rectangle::everything()).unwrap(),
+        }
+    }
+}
+
+impl<T: Surface> Task for IdleTask<T> {
+    fn name(&self) -> &'static str { "Idle" }
+
+    fn start(&mut self, _bus: &mut EventBus) {
+        self.solid.set_shader(SolidShader {});
+        self.surface.set_shader(ThinkingShader { });
+        self.shimmer.set_shader(ShimmerShader { });
+
+        self.solid.set_opacity(64);
+        self.surface.set_opacity(128);
+        self.shimmer.set_opacity(64);
+    }
+
+    fn stop(&mut self, _bus: &mut EventBus) {
+        self.solid.clear_shader();
+        self.surface.clear_shader();
+        self.shimmer.clear_shader();
+    }
+}

src/animations/test.rs

@@ -1,89 +1,9 @@
 use palette::Hsv;
-
 use rgb::RGB8;
 
-use crate::events::{Event, EventBus};
-use crate::time::Periodically;
-use crate::geometry::*;
-use crate::render::{Shader, Surface, Surfaces};
-use crate::task::Task;
-use crate::lib8::{trig::{sin8, cos8}, interpolate::scale8, noise::inoise8, IntoRgb8};
+use crate::{events::{Event, EventBus, Namespace}, lib8::{interpolate::scale8, trig::{cos8, sin8}, IntoRgb8}, render::{Shader, Surface}, task::Task, time::Periodically};
 
-#[derive(Debug)]
-pub struct IdleTask<T: Surface> {
-    solid: T,
-    surface: T,
-    shimmer: T,
-}
-
-#[derive(Debug)]
-struct SolidShader {}
-
-impl Shader for SolidShader {
-    fn draw(&self, _coords: &VirtualCoordinates, frame: usize) -> RGB8 {
-        Hsv::new_srgb((frame % 255) as u8, 255, sin8((frame % 64) as u8)).into_rgb8()
-    }
-}
-
-#[derive(Debug)]
-struct ShimmerShader {}
-
-impl Shader for ShimmerShader {
-    fn draw(&self, coords: &VirtualCoordinates, frame: usize) -> RGB8 {
-        Hsv::new_srgb(((coords.x as usize).wrapping_add(frame / 3) % 255) as u8, coords.y, sin8(frame).max(75).min(64)).into_rgb8()
-    }
-}
-
-#[derive(Debug)]
-struct ThinkingShader {}
-
-impl Shader for ThinkingShader {
-    fn draw(&self, coords: &VirtualCoordinates, frame: usize) -> RGB8 {
-        //let noise_x = sin8(sin8((frame % 255) as u8).wrapping_add(coords.x));
-        //let noise_y = cos8(cos8((frame % 255) as u8).wrapping_add(coords.y));
-        let offset_x = sin8(frame.wrapping_add(coords.x as usize));
-        let offset_y = cos8(frame.wrapping_add(coords.y as usize));
-        let noise_x = offset_x / 2;
-        let noise_y = offset_y / 2;
-        //let noise_x = coords.x.wrapping_add(offset_x);
-        //let noise_y = coords.y.wrapping_add(offset_y);
-        Hsv::new_srgb(
-            inoise8(offset_x as i16, offset_y as i16),
-            128_u8.saturating_add(inoise8(noise_y as i16, noise_x as i16)),
-            255
-        ).into_rgb8()
-    }
-}
-
-impl<T: Surface> IdleTask<T> {
-    pub fn new<S: Surfaces<Surface = T>>(surfaces: &mut S) -> Self {
-        IdleTask {
-            solid: surfaces.new_surface(Rectangle::everything()).unwrap(),
-            surface: surfaces.new_surface(Rectangle::everything()).unwrap(),
-            shimmer: surfaces.new_surface(Rectangle::everything()).unwrap(),
-        }
-    }
-}
-
-impl<T: Surface> Task for IdleTask<T> {
-    fn name(&self) -> &'static str { "Idle" }
-
-    fn start(&mut self, _bus: &mut EventBus) {
-        self.solid.set_shader(Box::new(SolidShader { }));
-        self.surface.set_shader(Box::new(ThinkingShader { }));
-        self.shimmer.set_shader(Box::new(ShimmerShader { }));
-
-        self.solid.set_opacity(64);
-        self.surface.set_opacity(128);
-        self.shimmer.set_opacity(64);
-    }
-
-    fn stop(&mut self, _bus: &mut EventBus) {
-        self.solid.clear_shader();
-        self.surface.clear_shader();
-        self.shimmer.clear_shader();
-    }
-}
+use super::{Coordinates, Rectangle, VirtualCoordinates};
 
 #[derive(Clone, Copy, Debug)]
 enum TestShader {
@@ -168,11 +88,13 @@ impl<T: Surface> TestPattern<T> {
     }
 }
 
+//const Animations: Namespace = Namespace("animations");
+
 impl<T: Surface> Task for TestPattern<T> {
     fn name(&self) -> &'static str { "TestPattern" }
 
     fn start(&mut self, _bus: &mut EventBus) {
-        self.surface.set_shader(Box::new(self.pattern));
+        self.surface.set_shader(self.pattern);
     }
 
     fn on_tick(&mut self, bus: &mut EventBus) {
@@ -180,8 +102,8 @@ impl<T: Surface> Task for TestPattern<T> {
             self.pattern = self.pattern.next();
             log::info!("Test pattern: {:?}", self.pattern);
             self.frame = 0;
-            self.surface.set_shader(Box::new(self.pattern));
-            bus.push(Event::new_property_change("animations.test.pattern", format!("{:?}", self.pattern)));
+            self.surface.set_shader(self.pattern);
+            //bus.push(Animations.new_property_change( "test.pattern", format!("{:?}", self.pattern)));
         });
         self.stepper.run(|| {
             self.frame = self.frame.wrapping_add(1);
@@ -203,4 +125,4 @@ impl<T: Surface> Task for TestPattern<T> {
     fn stop(&mut self, _bus: &mut EventBus) {
         self.surface.clear_shader();
     }
-}
+}

src/buffers.rs

@@ -1,25 +1,20 @@
-use crate::events::EventBus;
 use crate::geometry::*;
 use crate::lib8::interpolate::Fract8Ops;
 use crate::power::AsMilliwatts;
 use crate::render::{PixelView, Sample, Shader, Surface, Surfaces, HardwarePixel};
-use crate::task::Task;
 
-use std::fmt::Debug;
+use std::cell::RefCell;
 use std::ops::IndexMut;
 
 use std::sync::atomic::AtomicBool;
-use std::sync::RwLock;
 use std::sync::{Arc, Mutex};
 
-#[derive(Debug)]
 struct ShaderBinding {
     shader: Option<Box<dyn Shader>>,
     rect: Rectangle<Virtual>,
     opacity: u8
 }
 
-#[derive(Debug)]
 struct SurfaceUpdate {
     shader: Option<Option<Box<dyn Shader>>>,
     rect: Option<Rectangle<Virtual>>,
@@ -41,12 +36,6 @@ impl SurfaceUpdate {
     }
 }
 
-impl Debug for Box<dyn Shader> {
-    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        f.debug_struct("Shader").finish()
-    }
-}
-
 impl Default for SurfaceUpdate {
     fn default() -> Self {
         SurfaceUpdate {
@@ -58,7 +47,6 @@ impl Default for SurfaceUpdate {
     }
 }
 
-#[derive(Debug)]
 pub struct BufferedSurface {
     updater: Arc<UpdateQueue>,
     slot: usize
@@ -89,16 +77,15 @@ impl Surface for BufferedSurface {
         });
     }
 
-    fn set_shader(&mut self, shader: Box<dyn Shader>) {
+    fn set_shader<T: Shader + 'static>(&mut self, shader: T) {
         self.updater.push(SurfaceUpdate {
-            shader: Some(Some(shader)),
+            shader: Some(Some(Box::new(shader))),
             slot: self.slot,
             ..Default::default()
         });
     }
 }
 
-#[derive(Debug)]
 struct UpdateQueue {
     pending: Mutex<Vec<SurfaceUpdate>>,
     damaged: AtomicBool
@@ -135,7 +122,6 @@ impl UpdateQueue {
     }
 }
 
-#[derive(Debug)]
 pub struct ShaderChain {
     bindings: Vec<ShaderBinding>,
     updates: Arc<UpdateQueue>
@@ -154,31 +140,28 @@ impl ShaderChain {
     }
 
     pub fn commit(&mut self) {
-        let mut queue: Vec<SurfaceUpdate> = {
-            let mut updates = self.updates.pending.lock().unwrap();
-            std::mem::take(updates.as_mut())
-        };
-        for update in queue.iter_mut() {
-            let target_slot = &mut self.bindings[update.slot];
-            if let Some(shader) = update.shader.take() {
-                target_slot.shader = shader;
-            }
-            if let Some(opacity) = update.opacity.take() {
-                target_slot.opacity = opacity;
-            }
-            if let Some(rect) = update.rect.take() {
-                target_slot.rect = rect;
+        if self.is_dirty() {
+            let mut queue: Vec<SurfaceUpdate> = {
+                let mut updates = self.updates.pending.lock().unwrap();
+                std::mem::take(updates.as_mut())
+            };
+            for update in queue.iter_mut() {
+                let target_slot = &mut self.bindings[update.slot];
+                if let Some(shader) = update.shader.take() {
+                    target_slot.shader = shader;
+                }
+                if let Some(opacity) = update.opacity.take() {
+                    target_slot.opacity = opacity;
+                }
+                if let Some(rect) = update.rect.take() {
+                    target_slot.rect = rect;
+                }
             }
+            self.updates.damaged.store(false, std::sync::atomic::Ordering::Relaxed);
         }
-        self.updates.damaged.store(false, std::sync::atomic::Ordering::Relaxed);
     }
-}
 
-impl Surfaces for ShaderChain {
-    type Error = ();
-    type Surface = BufferedSurface;
-
-    fn new_surface(&mut self, area: Rectangle<Virtual>) -> Result<Self::Surface, Self::Error> {
+    fn new_surface(&mut self, area: Rectangle<Virtual>) -> Result<BufferedSurface, ()> {
         let next_slot = self.bindings.len();
         self.bindings.push(ShaderBinding {
             opacity: 255,
@@ -193,12 +176,12 @@ impl Surfaces for ShaderChain {
     }
 
     fn render_to<S: Sample>(&self, output: &mut S, frame: usize) {
-        for surface in self.bindings.iter() {
+        for surface in &self.bindings {
             let opacity = surface.opacity;
             if opacity > 0 {
-                let rect = surface.rect;
-                let mut sample = output.sample(&rect);
                 if let Some(ref shader) = surface.shader {
+                    let rect = surface.rect;
+                    let mut sample = output.sample(&rect);
                     while let Some((virt_coords, pixel)) = sample.next() {
                         *pixel = pixel.blend8(shader.draw(&virt_coords, frame).into(), opacity);
                     }
@@ -208,37 +191,29 @@ impl Surfaces for ShaderChain {
     }
 }
 
-#[derive(Clone)]
 pub struct BufferedSurfacePool {
-    pool: Arc<RwLock<ShaderChain>>
+    pool: RefCell<ShaderChain>
 }
 
 impl BufferedSurfacePool {
     pub fn new() -> Self {
         BufferedSurfacePool {
-            pool: Arc::new(RwLock::new(ShaderChain::new()))
+            pool: RefCell::new(ShaderChain::new())
         }
     }
 }
 
 impl Surfaces for BufferedSurfacePool {
     type Error = ();
-    type Surface = <ShaderChain as Surfaces>::Surface;
+    type Surface = BufferedSurface;
     fn new_surface(&mut self, area: crate::geometry::Rectangle<crate::geometry::Virtual>) -> Result<Self::Surface, Self::Error> {
-        self.pool.write().unwrap().new_surface(area)
+        self.pool.borrow_mut().new_surface(area)
     }
 
     fn render_to<S: crate::render::Sample>(&self, output: &mut S, frame: usize) {
-        self.pool.read().unwrap().render_to(output, frame);
-    }
-}
-
-
-impl Task for BufferedSurfacePool {
-    fn on_tick(&mut self, _bus: &mut EventBus) {
-        if self.pool.read().unwrap().is_dirty() {
-            self.pool.write().unwrap().commit();
-        }
+        let mut b = self.pool.borrow_mut();
+        b.commit();
+        b.render_to(output, frame);
     }
 }
 

src/events.rs

@@ -1,5 +1,5 @@
-use core::fmt::{Debug, Display};
-use std::{collections::{LinkedList, VecDeque}, sync::{Arc, Mutex}};
+use core::fmt::Debug;
+use std::{collections::VecDeque, fmt::{Display, Result}, sync::{Arc, Mutex}};
 
 use rgb::Rgb;
 
@@ -13,7 +13,8 @@ pub enum Variant {
     BigInt(i64),
     Boolean(bool),
     String(String),
-    RGB(Rgb<u8>)
+    RGB(Rgb<u8>),
+    Vec(Vec<Variant>)
 }
 
 macro_rules! impl_variant_type {
@@ -28,7 +29,7 @@ macro_rules! impl_variant_type {
             fn into(self) -> $type {
                 match self {
                     Variant::$var_type(value) => value,
-                    _ => panic!("Expected Variant::$var_type, but got {:?}", self)
+                    _ => panic!(concat!("Expected Variant::", stringify!($var_type), "but got {:?}"), self)
                 }
             }
         }
@@ -44,6 +45,7 @@ impl_variant_type!(u64, BigUInt);
 impl_variant_type!(bool, Boolean);
 impl_variant_type!(String, String);
 impl_variant_type!(Rgb<u8>, RGB);
+impl_variant_type!(Vec<Variant>, Vec);
 
 impl<'a> From<&'a str> for Variant {
     fn from(value: &'a str) -> Self {
@@ -51,29 +53,25 @@ impl<'a> From<&'a str> for Variant {
     }
 }
 
-impl Display for Variant {
-    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        match self {
-            Variant::BigInt(i) => (i as &dyn Display).fmt(f),
-            Variant::BigUInt(i) => (i as &dyn Display).fmt(f),
-            Variant::Boolean(i) => (i as &dyn Display).fmt(f),
-            Variant::Byte(i) => (i as &dyn Display).fmt(f),
-            Variant::Int(i) => (i as &dyn Display).fmt(f),
-            Variant::String(i) => (i as &dyn Display).fmt(f),
-            Variant::UInt(i) => (i as &dyn Display).fmt(f),
-            Variant::SignedByte(b) => (b as &dyn Display).fmt(f),
-            Variant::RGB(rgb) => f.write_fmt(format_args!("[{}, {}, {}]", rgb.r, rgb.g, rgb.b)),
-        }
-    }
-}
-
 #[derive(Debug, Clone, PartialEq, Eq)]
 pub enum Event {
     ReadyToRock,
     Tick,
     StartThing(&'static str),
     StopThing(&'static str),
-    PropertyChange(&'static str, Variant)
+    PropertyChange(PropertyID, Variant)
+}
+
+impl Display for Event {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> Result {
+        match self {
+            Self::ReadyToRock => f.write_str("ReadyToRock"),
+            Self::Tick => f.write_str("Tick"),
+            Self::StartThing(name) => write!(f, "Start {}", *name),
+            Self::StopThing(name) => write!(f, "Stop {}", *name),
+            Self::PropertyChange(id, value) => write!(f, "{} -> {:?}", id, value)
+        }
+    }
 }
 
 impl Event {
@@ -81,7 +79,7 @@ impl Event {
         Event::Tick
     }
 
-    pub fn new_property_change<T>(key: &'static str, data: T) -> Self where Variant: From<T> {
+    pub fn new_property_change<T>(key: PropertyID, data: T) -> Self where Variant: From<T> {
         Event::PropertyChange(key, Variant::from(data))
     }
 
@@ -100,65 +98,200 @@ impl Event {
 
 #[derive(Debug, Clone, PartialEq, Eq)]
 pub struct Property {
-    key: &'static str,
+    key: PropertyKey,
     value: Variant
 }
 
 impl Property {
-    pub const fn new(key: &'static str, value: Variant) -> Self {
+    pub const fn new(key: PropertyKey, value: Variant) -> Self {
         Property {
             key,
-            value: value
+            value,
         }
     }
 }
 
+#[derive(Debug, Clone, Copy, Eq, PartialEq)]
+pub struct NamespaceKey(pub &'static str);
+
+#[derive(Debug, Clone, Copy, Eq, PartialEq)]
+pub struct PropertyKey(pub &'static str);
+
+#[derive(Debug, Clone, Copy, Eq, PartialEq)]
+pub struct PropertyID {
+    pub namespace: NamespaceKey,
+    pub key: PropertyKey
+}
+
+impl Display for PropertyID {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> Result {
+        write!(f, "{}::{}", self.namespace.0, self.key.0)
+    }
+}
+
+pub trait Namespace {
+    fn nskey() -> NamespaceKey;
+    fn properties() -> Vec<Property>;
+}
+
+#[macro_export]
+macro_rules! prop_id {
+    ($name:ident, $prop_name:ident) => {
+        $crate::PropertyID {
+            namespace: $crate::NamespaceKey(stringify!($name)),
+            key: $crate::PropertyKey(stringify!($prop_name))
+        }
+    };
+}
+
+#[macro_export]
+macro_rules! property_namespace {
+    ($name:ident, $($prop_name:ident => $value:expr),*) => {
+        pub enum $name {
+            $($prop_name),*
+        }
+
+        impl $crate::Namespace for $name {
+            fn nskey() -> $crate::NamespaceKey {
+                $crate::NamespaceKey(stringify!($name))
+            }
+
+            fn properties() -> Vec<$crate::Property> {
+                vec![
+                    $($crate::Property::new(Self::$prop_name.key(), $crate::Variant::from($value))),*
+                ]
+            }
+        }
+
+        impl $name {
+            pub const fn key(&self) -> $crate::PropertyKey {
+                match self {
+                    $(Self::$prop_name => $crate::PropertyKey(stringify!($prop_name))),*
+                }
+            }
+
+            pub const fn id(&self) -> $crate::PropertyID {
+                $crate::PropertyID { namespace: $crate::NamespaceKey(stringify!($name)), key: self.key() }
+            }
+
+            pub fn new_property_change<V>(&self, value: V) -> $crate::Event where $crate::Variant: From<V> {
+                $crate::Event::PropertyChange(self.id(), $crate::Variant::from(value))
+            }
+        }
+
+        impl Into<$crate::PropertyID> for $name {
+            fn into(self) -> $crate::PropertyID {
+                self.id()
+            }
+        }
+    };
+}
+
+#[derive(Debug, Clone)]
+pub struct NamespaceProps {
+    props: Vec<Property>,
+    key: NamespaceKey
+}
+
+impl NamespaceProps {
+    fn new<NS: Namespace>() -> Self {
+        NamespaceProps {
+            props: NS::properties(),
+            key: NS::nskey()
+        }
+    }
+
+    fn get_key(&self, key: &PropertyKey) -> Option<&Property> {
+        for next in self.props.iter() {
+            if next.key == *key {
+                return Some(next);
+            }
+        }
+
+        log::warn!("Unknown key {:?}", key);
+
+        return None;
+    }
+
+    fn get_key_mut(&mut self, key: &PropertyKey) -> Option<&mut Property> {
+        for next in self.props.iter_mut() {
+            if next.key == *key {
+                return Some(next);
+            }
+        }
+
+        log::warn!("Unknown key {:?}", key);
+
+        return None;
+    }
+
+}
+
 #[derive(Debug, Clone)]
 pub struct Properties {
-    contents: LinkedList<Property>
+    contents: Vec<NamespaceProps>
+}
+
+impl Display for Properties {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        for ns in self.contents.iter() {
+            write!(f, "{}\n", ns.key.0).unwrap();
+            for prop in ns.props.iter() {
+                write!(f, "\t{} = {:?}\n", prop.key.0, prop.value).unwrap();
+            }
+        }
+        Result::Ok(())
+    }
 }
 
 impl Properties {
     fn new() -> Self {
         Properties {
-            contents: LinkedList::new()
+            contents: Vec::new(),
         }
     }
 
-    fn get_key(&self, key: &'static str) -> Option<&Property> {
-        for next in self.contents.iter() {
-            if next.key == key {
-                return Some(next);
+    pub fn add_namespace<T: Namespace>(&mut self) {
+        self.contents.push(NamespaceProps::new::<T>());
+    }
+
+    fn get_namespace(&self, ns: &NamespaceKey) -> Option<&NamespaceProps> {
+        for nsprops in self.contents.iter() {
+            if nsprops.key == *ns {
+                return Some(nsprops)
             }
         }
 
-        return None;
+        log::warn!("Unknown namespace {:?}", ns);
+
+        None
     }
 
-    fn get_key_mut(&mut self, key: &'static str) -> Option<&mut Property> {
-        for next in self.contents.iter_mut() {
-            if next.key == key {
-                return Some(next);
+    fn get_namespace_mut(&mut self, ns: &NamespaceKey) -> Option<&mut NamespaceProps> {
+        for nsprops in self.contents.iter_mut() {
+            if nsprops.key == *ns {
+                return Some(nsprops)
             }
         }
 
-        return None;
+        log::warn!("Unknown namespace {:?}", ns);
+
+        None
     }
 
-    pub fn get(&self, key: &'static str) -> Option<Variant> {
-        match self.get_key(key) {
+    pub fn get<T: Into<PropertyID>>(&self, key: T) -> Option<Variant> {
+        let as_id = key.into();
+        match self.get_namespace(&as_id.namespace).unwrap().get_key(&as_id.key) {
             None => None,
             Some(v) => Some(v.value.clone())
         }
     }
 
-    pub fn set<V>(&mut self, key: &'static str, value: V) -> bool where Variant: From<V> {
+    pub fn set<V, T: Into<PropertyID>>(&mut self, key: T, value: V) -> bool where Variant: From<V> {
+        let as_id = key.into();
         let as_variant: Variant = value.into();
-        match self.get_key_mut(key) {
-            None => {
-                self.contents.push_front(Property::new(key, as_variant));
-                return true
-            },
+        match self.get_namespace_mut(&as_id.namespace).unwrap().get_key_mut(&as_id.key) {
+            None => (),
             Some(found_key) => {
                 if found_key.value != as_variant {
                     found_key.value = as_variant;
@@ -191,7 +324,7 @@ impl EventBus {
         match next {
             Event::PropertyChange(key, value) => {
                 if self.props.lock().unwrap().set(key, value.clone()) {
-                    log::trace!("prop-update key={} value={:?}", key, value);
+                    log::trace!("prop-update key={:?} value={:?}", key, value);
                     Event::PropertyChange(key, value)
                 } else {
                     Event::new_tick()
@@ -205,7 +338,19 @@ impl EventBus {
         self.pending.lock().unwrap().push_back(event);
     }
 
-    pub fn property(&self, key: &'static str) -> Option<Variant> {
-        self.props.lock().unwrap().get(key)
+    pub fn properties(&self) -> std::sync::MutexGuard<'_, Properties> {
+        self.props.lock().unwrap()
     }
-}
+
+    pub fn set_property<K: Into<PropertyID>, V: Into<Variant>>(&mut self, key: K, value: V) {
+        self.push(Event::new_property_change(key.into(), value.into()));
+    }
+}
+
+property_namespace!(
+    System,
+    NetworkOnline => false,
+    IP => "",
+    Gateway => "",
+    TimeSync => false
+);

src/inputs/circadian.rs

@@ -0,0 +1,101 @@
+use chrono::{DateTime, Timelike, Utc};
+
+use crate::{events::{Event, EventBus, Namespace, Variant}, lib8::interpolate::lerp8by8, prop_id, render::props::Output as OutputNS, task::Task, time::Periodically, PropertyID};
+
+#[derive(Debug, Clone)]
+struct ScheduleEntry {
+    hour: u8,
+    brightness: u8
+}
+
+pub struct CircadianRhythm {
+    time_check: Periodically,
+    schedule: [ScheduleEntry;10]
+}
+
+impl CircadianRhythm {
+    pub fn new() -> Self {
+        CircadianRhythm {
+            time_check: Periodically::new_every_n_seconds(60),
+            schedule: [
+                ScheduleEntry { hour: 0, brightness: 0 },
+                ScheduleEntry { hour: 5, brightness: 0 },
+                ScheduleEntry { hour: 6, brightness: 10 },
+                ScheduleEntry { hour: 7, brightness: 20 },
+                ScheduleEntry { hour: 8, brightness: 80 },
+                ScheduleEntry { hour: 11, brightness: 120 },
+                ScheduleEntry { hour: 18, brightness: 200 },
+                ScheduleEntry { hour: 19, brightness: 255 },
+                ScheduleEntry { hour: 22, brightness: 120 },
+                ScheduleEntry { hour: 23, brightness: 5 }
+            ]
+        }
+    }
+
+    fn update_brightness(&self, bus: &mut EventBus) {
+        let now: DateTime<Utc> = std::time::SystemTime::now().into();
+        let next_brightness = self.brightness_for_time(now.hour() as u8, now.minute() as u8);
+        bus.push(OutputNS::Brightness.new_property_change(next_brightness));
+    }
+
+    fn brightness_for_time(&self, hour: u8, minute: u8) -> u8 {
+        let mut start = self.schedule.last().unwrap();
+        let mut end = self.schedule.first().unwrap();
+        for cur in self.schedule.iter() {
+            if cur.hour <= hour {
+                start = cur;
+            } else {
+                end = cur;
+                break;
+            }
+        }
+
+        log::info!("hour={:?} minute={:?} start={:?} end={:?}", hour, minute, start, end);
+
+        let mut adjusted_end = end.clone();
+        if start.hour > end.hour {
+            adjusted_end.hour += 24;
+        }
+
+        let start_time = (start.hour as u16).wrapping_mul(60);
+        let end_time = (end.hour as u16).wrapping_mul(60);
+        let now_time = (hour as u16).wrapping_mul(60).wrapping_add(minute as u16);
+
+        let duration = end_time - start_time;
+        let cur_duration = now_time - start_time;
+
+        let frac = map_range(cur_duration.into(), 0, duration.into(), 0, 255) as u8;
+
+        lerp8by8(start.brightness, end.brightness, frac)
+    }
+}
+
+fn map_range(x: u16, in_min: u16, in_max: u16, out_min: u16, out_max: u16) -> u16 {
+    let run = in_max - in_min;
+    if run == 0 {
+        return 0;
+    }
+    let rise = out_max - out_min;
+    let delta = x - in_min;
+    return (delta * rise) / run + out_min;
+}
+
+
+impl Task for CircadianRhythm {
+    fn on_ready(&mut self, bus: &mut EventBus) {
+        self.update_brightness(bus);
+    }
+
+    fn on_property_change(&mut self, key: PropertyID, value: &Variant, bus: &mut EventBus) {
+        match (key, value) {
+            (prop_id!(System, TimeSync), Variant::Boolean(true)) => self.update_brightness(bus),
+            _ => ()
+        }
+    }
+
+    fn on_tick(&mut self, bus: &mut EventBus) {
+        if self.time_check.tick() {
+            self.update_brightness(bus);
+        }
+    }
+}

src/inputs/mod.rs

@@ -0,0 +1 @@
+pub mod circadian;

src/lib8/interpolate.rs

@@ -12,12 +12,21 @@ pub trait Fract8Ops {
 
 impl Fract8Ops for u8 {
     fn scale8(self, scale: Fract8) -> Self {
-        // borrowed from FastLED
-        (self as u16 * (1 + scale as u16)).unsigned_shr(8) as u8
+        match scale {
+            0 => 0,
+            255 => self,
+            _ => 
+                // borrowed from FastLED
+                (self as u16 * (1 + scale as u16)).unsigned_shr(8) as u8
+        }
     }
 
     fn blend8(self, other: Self, scale: Fract8) -> Self {
-        ((((self as u16).unsigned_shl(8).bitor(other as u16)) as u16).wrapping_add(other as u16 * scale as u16).wrapping_sub(self as u16 * scale as u16)).unsigned_shr(8) as u8
+        match scale {
+            0 => self,
+            255 => other,
+            _ => ((((self as u16).unsigned_shl(8).bitor(other as u16)) as u16).wrapping_add(other as u16 * scale as u16).wrapping_sub(self as u16 * scale as u16)).unsigned_shr(8) as u8
+        }
     }
 }
 
@@ -31,13 +40,17 @@ impl Fract8Ops for Rgb<u8> {
     }
 
     fn blend8(self, other: Self, scale: Fract8) -> Self {
-        match (other.r, other.g, other.b) {
-            (0, 0, 0) => self,
-            _ => Rgb::new(
-                self.r.blend8(other.r, scale),
-                self.g.blend8(other.g, scale),
-                self.b.blend8(other.b, scale)
-            )
+        match scale {
+            0 => self,
+            255 => other,
+            _ => match (other.r, other.g, other.b) {
+                (0, 0, 0) => self,
+                _ => Rgb::new(
+                    self.r.blend8(other.r, scale),
+                    self.g.blend8(other.g, scale),
+                    self.b.blend8(other.b, scale)
+                )
+            }
         }
     }
 }

src/main.rs

@@ -8,18 +8,24 @@ mod platform;
 mod animations;
 mod mappings;
 mod buffers;
-mod events;
 mod scenes;
+mod inputs;
 
-use events::Event;
-use rgb::Rgb;
+#[macro_use]
+mod events;
+
+use events::*;
+use inputs::circadian::CircadianRhythm;
+use platform::esp32::mqtt::props::MQTT;
+use render::props::Output;
 use scenes::Sequencer;
 
 use crate::events::EventBus;
-use crate::platform::{DefaultBoard, Board};
+use crate::platform::{DefaultBoard, Board, props::Board as BoardNS};
 use crate::task::{FixedSizeScheduler, Scheduler};
 use crate::render::{Surfaces, Renderer};
 use crate::geometry::Rectangle;
+use crate::scenes::props::Scenes as SceneNS;
 
 fn main() {
     let mut board: DefaultBoard = Board::take();
@@ -43,10 +49,11 @@ fn main() {
     log::info!("🌌 Creating animations");
     let mut animations = FixedSizeScheduler::new([
         Box::new(animations::IdleTask::new(&mut surfaces)),
-        Box::new(animations::TestPattern::new(surfaces.new_surface(Rectangle::everything()).unwrap())),
+        Box::new(animations::test::TestPattern::new(surfaces.new_surface(Rectangle::everything()).unwrap())),
     ]);
 
     let mut inputs = FixedSizeScheduler::new([
+        Box::new(CircadianRhythm::new()),
         Box::new(Sequencer::new()),
     ]);
 
@@ -55,18 +62,27 @@ fn main() {
     log::info!("🚌 Starting event bus");
     let mut bus = EventBus::new();
 
-    bus.push(Event::new_property_change("colors.primary", Rgb::new(255, 128, 128)));
-    bus.push(Event::new_property_change("system.board.chip_id", DefaultBoard::chip_id()));
-    bus.push(Event::new_property_change("system.network.online", false));
+    {
+        let mut props = bus.properties();
+        props.add_namespace::<System>();
+        props.add_namespace::<BoardNS>();
+        props.add_namespace::<Output>();
+        props.add_namespace::<SceneNS>();
+        props.add_namespace::<MQTT>();
+
+        props.set(BoardNS::ChipID, DefaultBoard::chip_id());
+
+        log::info!("System properties:");
+        log::info!("{}", props);
+    }
 
     log::info!("Priming events...");
     let initial_tasks = [
         "Renderer",
         "renderbug::scenes::Sequencer",
-        "renderbug::buffers::BufferedSurfacePool",
-        "renderbug::platform::esp32::WifiTask",
-        "renderbug::platform::esp32::MqttTask",
-        "renderbug::platform::esp32::CircadianRhythm"
+        "renderbug::platform::esp32::wifi::WifiTask",
+        "renderbug::platform::esp32::mqtt::MqttTask",
+        "renderbug::inputs::circadian::CircadianRhythm"
     ];
     for task_name in initial_tasks {
         bus.push(Event::new_start_thing(task_name));
@@ -82,7 +98,7 @@ fn main() {
             Event::ReadyToRock => {
                 log::info!("🚀 Ready to rock and roll");
             }
-            _ => log::info!("⚡ Event: {:?}", next_event)
+            _ => log::info!("⚡ Event: {}", next_event)
         }
         inputs.tick(&next_event, &mut bus);
         animations.tick(&next_event, &mut bus);

src/platform/esp32.rs

@@ -1,453 +0,0 @@
-use std::fmt::Debug;
-use std::thread::JoinHandle;
-
-use chrono::DateTime;
-use chrono::Timelike;
-use chrono::Utc;
-
-use esp_idf_svc::eventloop::{EspSubscription, EspSystemEventLoop, System};
-use esp_idf_svc::hal::gpio::Pins;
-use esp_idf_svc::hal::modem::Modem;
-use esp_idf_svc::hal::prelude::Peripherals;
-use esp_idf_svc::hal::rmt::RMT;
-use esp_idf_svc::hal::task::thread::ThreadSpawnConfiguration;
-use esp_idf_svc::mqtt::client::EspMqttClient;
-use esp_idf_svc::mqtt::client::MqttClientConfiguration;
-use esp_idf_svc::netif::IpEvent;
-use esp_idf_svc::nvs::{EspDefaultNvsPartition, EspNvsPartition, NvsDefault};
-use esp_idf_svc::sntp::EspSntp;
-use esp_idf_svc::sntp::SyncStatus;
-use esp_idf_svc::sys::esp_efuse_mac_get_default;
-use esp_idf_svc::wifi::{AuthMethod, ClientConfiguration, Configuration, EspWifi, WifiEvent};
-use rgb::Rgb;
-
-use super::smart_leds_lib::rmt::FastWs2812Esp32Rmt;
-use super::smart_leds_lib::StrideOutput;
-use super::Board;
-
-use crate::buffers::BufferedSurfacePool;
-use crate::buffers::Pixbuf;
-use crate::events::Event;
-use crate::events::EventBus;
-use crate::events::Variant;
-use crate::lib8::interpolate::lerp8by8;
-use crate::mappings::StrideMapping;
-use crate::task::FixedSizeScheduler;
-use crate::task::Task;
-use crate::time::Periodically;
-
-pub struct Esp32Board {
-    sys_loop: EspSystemEventLoop,
-    modem: Option<Modem>,
-    pins: Option<Pins>,
-    rmt: Option<RMT>,
-    surfaces: BufferedSurfacePool,
-}
-
-impl Board for Esp32Board {
-    type Output = StrideOutput<[Rgb<u8>; 310], FastWs2812Esp32Rmt<'static>>;
-    type Surfaces = BufferedSurfacePool;
-    type Scheduler = FixedSizeScheduler<4>;
-
-    fn chip_id() -> u64 {
-        let mut chip_id: [u8; 8] = [0; 8];
-        unsafe {
-            esp_efuse_mac_get_default(&mut chip_id as *mut u8);
-        }
-        return u64::from_be_bytes(chip_id);
-    }
-
-    fn take() -> Self {
-        // It is necessary to call this function once. Otherwise some patches to the runtime
-        // implemented by esp-idf-sys might not link properly. See https://github.com/esp-rs/esp-idf-template/issues/71
-        esp_idf_svc::sys::link_patches();
-
-        // Bind the log crate to the ESP Logging facilities
-        esp_idf_svc::log::EspLogger::initialize_default();
-
-        let peripherals = Peripherals::take().unwrap();
-        let sys_loop = EspSystemEventLoop::take().unwrap();
-
-        Esp32Board {
-            modem: Some(peripherals.modem),
-            sys_loop: sys_loop,
-            surfaces: BufferedSurfacePool::new(),
-            pins: Some(peripherals.pins),
-            rmt: Some(peripherals.rmt)
-        }
-    }
-
-    fn output(&mut self) -> Self::Output {
-
-        log::info!("Setting up output for chip ID {:x?}", Self::chip_id());
-
-        const POWER_VOLTS : u32 = 5;
-        const POWER_MA : u32 = 500;
-        const MAX_POWER_MW : u32 = POWER_VOLTS * POWER_MA;
-
-        let pins = self.pins.take().unwrap();
-        let rmt = self.rmt.take().unwrap();
-        ThreadSpawnConfiguration {
-            pin_to_core: Some(esp_idf_svc::hal::cpu::Core::Core1),
-            ..Default::default()
-        }.set().unwrap();
-        // Wifi driver creates too many interrupts on core0, so we need to use RMT on core1.
-        // But the implementation spawns a thread based on the core the driver was created in,
-        // so we create the driver in another thread briefly.
-        // Fun stuff.
-        let output = match Self::chip_id().to_be_bytes() { // panel test board
-            [72, 202, 67, 89, 145, 204, 0, 0] => {
-                StrideOutput::new(
-                    Pixbuf::new(),
-                    StrideMapping::new_panel(), 
-                    std::thread::spawn(move || { FastWs2812Esp32Rmt::new(rmt.channel0, pins.gpio5).unwrap() }).join().unwrap(),
-                    MAX_POWER_MW
-                )
-            },
-            [0x8C, 0xAA, 0xB5, 0x83, 0x5f, 0x74, 0x0, 0x0] => { //ponderjar
-                StrideOutput::new(
-                    Pixbuf::new(),
-                    StrideMapping::new_jar(),
-                    std::thread::spawn(move || { FastWs2812Esp32Rmt::new(rmt.channel0, pins.gpio14).unwrap() }).join().unwrap(),
-                    MAX_POWER_MW
-                )
-            },
-            [0x4a, 0xca, 0x43, 0x59, 0x85, 0x58, 0x0, 0x0] => { // Albus the tree
-                StrideOutput::new(
-                    Pixbuf::new(),
-                    StrideMapping::new_albus(),
-                    std::thread::spawn(move || { FastWs2812Esp32Rmt::new(rmt.channel0, pins.gpio5).unwrap() }).join().unwrap(),
-                    MAX_POWER_MW
-                )
-            },
-            [0x48, 0xca, 0x43, 0x59, 0x9d, 0x48, 0x0, 0x0] => { // kitchen cabinets
-                StrideOutput::new(
-                    Pixbuf::new(),
-                    StrideMapping::new_fairylights(),
-                    std::thread::spawn(move || { FastWs2812Esp32Rmt::new(rmt.channel0, pins.gpio5).unwrap() }).join().unwrap(),
-                    MAX_POWER_MW
-                )
-            },
-            [0x48, 0xca, 0x43, 0x59, 0x9e, 0xdc, 0x0, 0x0] => { // front window
-                StrideOutput::new(
-                    Pixbuf::new(),
-                    StrideMapping::new_fairylights(),
-                    std::thread::spawn(move || { FastWs2812Esp32Rmt::new(rmt.channel0, pins.gpio5).unwrap() }).join().unwrap(),
-                    MAX_POWER_MW
-                )
-            },
-            [0xfc, 0xf5, 0xc4, 0x05, 0xb8, 0x30, 0x0, 0x0] => { // cyberplague
-                StrideOutput::new(
-                    Pixbuf::new(),
-                    StrideMapping::new_cyberplague(),
-                    std::thread::spawn(move || { FastWs2812Esp32Rmt::new(rmt.channel0, pins.gpio13).unwrap() }).join().unwrap(),
-                    MAX_POWER_MW
-                )
-            },
-            _ => {
-                StrideOutput::new(
-                    Pixbuf::new(),
-                    StrideMapping::new(), 
-                    std::thread::spawn(move || { FastWs2812Esp32Rmt::new(rmt.channel0, pins.gpio5).unwrap() }).join().unwrap(),
-                    MAX_POWER_MW
-                )
-            }
-        };
-        ThreadSpawnConfiguration {
-            ..Default::default()
-        }.set().unwrap();
-
-        output
-    }
-
-    fn surfaces(&mut self) -> Self::Surfaces {
-        self.surfaces.clone()
-    }
-
-    fn system_tasks(&mut self) -> Self::Scheduler {
-        let nvs = EspDefaultNvsPartition::take().unwrap();
-        FixedSizeScheduler::new([
-            Box::new(WifiTask::new(self.modem.take().unwrap(), self.sys_loop.clone(), &nvs)),
-            Box::new(CircadianRhythm::new()),
-            Box::new(MqttTask::new()),
-            Box::new(self.surfaces.clone())
-        ])
-    }
-}
-
-#[derive(Debug, Clone)]
-struct ScheduleEntry {
-    hour: u8,
-    brightness: u8
-}
-
-struct CircadianRhythm {
-    time_check: Periodically,
-    schedule: [ScheduleEntry;10]
-}
-
-impl CircadianRhythm {
-    fn new() -> Self {
-        CircadianRhythm {
-            time_check: Periodically::new_every_n_seconds(60),
-            schedule: [
-                ScheduleEntry { hour: 0, brightness: 0 },
-                ScheduleEntry { hour: 5, brightness: 0 },
-                ScheduleEntry { hour: 6, brightness: 10 },
-                ScheduleEntry { hour: 7, brightness: 20 },
-                ScheduleEntry { hour: 8, brightness: 80 },
-                ScheduleEntry { hour: 11, brightness: 120 },
-                ScheduleEntry { hour: 18, brightness: 200 },
-                ScheduleEntry { hour: 19, brightness: 255 },
-                ScheduleEntry { hour: 22, brightness: 120 },
-                ScheduleEntry { hour: 23, brightness: 5 }
-            ]
-        }
-    }
-
-    fn update_brightness(&self, bus: &mut EventBus) {
-        let now: DateTime<Utc> = std::time::SystemTime::now().into();
-        let next_brightness = self.brightness_for_time(now.hour() as u8, now.minute() as u8);
-        bus.push(Event::new_property_change("output.brightness", next_brightness));
-    }
-
-    fn brightness_for_time(&self, hour: u8, minute: u8) -> u8 {
-        let mut start = self.schedule.last().unwrap();
-        let mut end = self.schedule.first().unwrap();
-        for cur in self.schedule.iter() {
-            if cur.hour <= hour {
-                start = cur;
-            } else {
-                end = cur;
-                break;
-            }
-        }
-
-        log::info!("hour={:?} minute={:?} start={:?} end={:?}", hour, minute, start, end);
-
-        let mut adjusted_end = end.clone();
-        if start.hour > end.hour {
-            adjusted_end.hour += 24;
-        }
-
-        let start_time = (start.hour as u16).wrapping_mul(60);
-        let end_time = (end.hour as u16).wrapping_mul(60);
-        let now_time = (hour as u16).wrapping_mul(60).wrapping_add(minute as u16);
-
-        let duration = end_time - start_time;
-        let cur_duration = now_time - start_time;
-
-        let frac = map_range(cur_duration.into(), 0, duration.into(), 0, 255) as u8;
-
-        lerp8by8(start.brightness, end.brightness, frac)
-    }
-}
-
-fn map_range(x: u16, in_min: u16, in_max: u16, out_min: u16, out_max: u16) -> u16 {
-    let run = in_max - in_min;
-    if run == 0 {
-        return 0;
-    }
-    let rise = out_max - out_min;
-    let delta = x - in_min;
-    return (delta * rise) / run + out_min;
-}
-
-
-impl Task for CircadianRhythm {
-    fn on_ready(&mut self, bus: &mut EventBus) {
-        self.update_brightness(bus);
-    }
-
-    fn on_property_change(&mut self, key: &'static str, value: &Variant, bus: &mut EventBus) {
-        match (key, value) {
-            ("system.time.synchronized", Variant::Boolean(true)) => self.update_brightness(bus),
-            _ => ()
-        }
-    }
-
-    fn on_tick(&mut self, bus: &mut EventBus) {
-        if self.time_check.tick() {
-            self.update_brightness(bus);
-        }
-    }
-}
-
-struct MqttTask {
-    client: Option<EspMqttClient<'static>>,
-    conn_thread: Option<JoinHandle<()>>,
-}
-
-impl MqttTask {
-    fn new() -> Self {
-        MqttTask {
-            conn_thread: None,
-            client: None,
-        }
-    }
-
-    fn start_mqtt(&mut self, bus: &EventBus) {
-        log::info!("Starting MQTT");
-        let chip_id: u64 = bus.property("system.board.chip_id").unwrap().into();
-        let (client, mut conn) = EspMqttClient::new(
-            "mqtt://10.0.0.2:1883",
-            &MqttClientConfiguration {
-                client_id: Some(&format!("{:X}", chip_id)),
-                ..Default::default()
-            }
-        ).unwrap();
-        log::info!("Connected!");
-
-        self.conn_thread = Some(std::thread::Builder::new()
-            .stack_size(6000)
-            .spawn(move || {
-                conn.next().unwrap();
-            }).unwrap());
-        self.client = Some(client);
-    }
-
-    fn topic_prefix(bus: &EventBus) -> String {
-        let chip_id: u64 = bus.property("system.board.chip_id").unwrap().into();
-
-        format!("homeassistant-test/renderbug/{:X}", chip_id)
-    }
-}
-
-impl Task for MqttTask {
-    fn start(&mut self, bus: &mut EventBus) {
-        bus.push(Event::new_property_change("mqtt.online", false));
-    }
-
-    fn on_property_change(&mut self, key: &'static str, value: &Variant, bus: &mut EventBus) {
-        match (key, value) {
-            ("system.network.online", Variant::Boolean(true)) => {
-                log::info!("Registering with MQTT");
-
-                self.start_mqtt(bus);
-
-                if let Some(ref mut client) = self.client {
-                    client.enqueue(
-                        Self::topic_prefix(bus).as_str(),
-                        esp_idf_svc::mqtt::client::QoS::AtLeastOnce,
-                        false,
-                        "hello, world".as_bytes()
-                    ).unwrap();
-                    log::info!("MQTT should be online!");
-
-                    bus.push(Event::new_property_change("mqtt.online", true));
-                }
-            },
-            (name, value) => {
-                if let Some(ref mut client) = self.client {
-                    let prefix = Self::topic_prefix(bus);
-
-                    client.enqueue(
-                        format!("{}/properties/{}", prefix, name).as_str(),
-                        esp_idf_svc::mqtt::client::QoS::AtLeastOnce,
-                        false,
-                        format!("{}", value).as_bytes()
-                    ).unwrap();
-                }
-            }
-        }
-    }
-}
-
-impl Debug for WifiTask {
-    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        f.debug_struct("WifiTask").finish()
-    }
-}
-
-struct WifiTask {
-    wifi: EspWifi<'static>,
-    ntp: EspSntp<'static>,
-    connection_check: Periodically,
-    sys_loop: EspSystemEventLoop,
-    wifi_sub: Option<EspSubscription<'static, System>>,
-    ip_sub: Option<EspSubscription<'static, System>>,
-}
-
-impl WifiTask {
-    fn new(modem: Modem, sys_loop: EspSystemEventLoop, nvs: &EspNvsPartition<NvsDefault>) -> Self {
-        log::info!("Installing wifi driver");
-        let wifi = EspWifi::new(
-            modem,
-            sys_loop.clone(),
-            Some(nvs.clone())
-        ).unwrap();
-
-        WifiTask {
-            wifi,
-            ntp: EspSntp::new_default().unwrap(),
-            connection_check: Periodically::new_every_n_seconds(1),
-            sys_loop,
-            wifi_sub: None,
-            ip_sub: None,
-        }
-    }
-
-    fn connect(&mut self) {
-        log::info!("Connecting wifi");
-        let wifi_config = Configuration::Client(ClientConfiguration {
-            ssid: "The Frequency".try_into().unwrap(),
-            bssid: None,
-            auth_method: AuthMethod::WPA2Personal,
-            password: "thepasswordkenneth".try_into().unwrap(),
-            channel: None,
-            ..Default::default()
-        });
-        self.wifi.set_configuration(&wifi_config).unwrap();
-        self.wifi.start().unwrap();
-        self.wifi.connect().unwrap();
-    }
-
-    fn disconnect(&mut self) {
-        log::info!("Disconnecting wifi");
-        self.wifi.disconnect().unwrap();
-        self.wifi.stop().unwrap();
-    }
-}
-
-impl Task for WifiTask {
-    fn start(&mut self, bus: &mut EventBus) {
-        log::info!("Starting wifi!");
-        let mut wifi_bus = bus.clone();
-        self.wifi_sub = Some(self.sys_loop.subscribe::<WifiEvent, _>( move |evt| {
-            log::debug!("wifi event {:?}", evt);
-            wifi_bus.push(Event::new_property_change("system.network.online", false));
-        }).unwrap());
-        let mut ip_bus = bus.clone();
-        self.ip_sub = Some(self.sys_loop.subscribe::<IpEvent, _>(move |evt| {
-            log::debug!("ip event {:?}", evt);
-            match evt {
-                IpEvent::DhcpIpAssigned(addr) => {
-                    ip_bus.push(Event::new_property_change("system.network.ip", addr.ip().to_string()));
-                    ip_bus.push(Event::new_property_change("system.network.gateway", addr.gateway().to_string()));
-                    ip_bus.push(Event::new_property_change("system.network.online", true));
-                },
-                _ => ()
-            }
-        }).unwrap());
-        self.connect();
-    }
-
-    fn on_tick(&mut self, bus: &mut EventBus) {
-        if self.connection_check.tick() {
-            if bus.property("system.network.online").unwrap() == Variant::Boolean(true) {
-                match self.ntp.get_sync_status() {
-                    SyncStatus::Completed => bus.push(Event::new_property_change("system.time.synchronized", true)),
-                    _ => bus.push(Event::new_property_change("system.time.synchronized", false))
-                }
-            }
-        }
-    }
-
-    fn stop(&mut self, bus: &mut EventBus) {
-        log::info!("Stopping wifi");
-        self.wifi_sub.take().unwrap();
-        self.ip_sub.take().unwrap();
-        self.disconnect();
-        bus.push(Event::new_property_change("system.network.online", false));
-    }
-}

src/platform/esp32/board.rs

@@ -0,0 +1,143 @@
+use esp_idf_svc::{eventloop::EspSystemEventLoop, hal::{gpio::Pins, modem::Modem, prelude::Peripherals, rmt::RMT, task::thread::ThreadSpawnConfiguration}, nvs::EspDefaultNvsPartition, sys::esp_efuse_mac_get_default};
+use rgb::Rgb;
+
+use crate::{buffers::{BufferedSurfacePool, Pixbuf}, mappings::StrideMapping, platform::{smart_leds_lib::{rmt::FastWs2812Esp32Rmt, StrideOutput}, Board}, task::FixedSizeScheduler};
+
+use super::{mqtt::MqttTask, wifi::WifiTask};
+
+pub struct Esp32Board {
+    sys_loop: EspSystemEventLoop,
+    modem: Option<Modem>,
+    pins: Option<Pins>,
+    rmt: Option<RMT>,
+    surfaces: Option<BufferedSurfacePool>,
+}
+
+impl Board for Esp32Board {
+    type Output = StrideOutput<[Rgb<u8>; 310], FastWs2812Esp32Rmt<'static>>;
+    type Surfaces = BufferedSurfacePool;
+    type Scheduler = FixedSizeScheduler<2>;
+
+    fn chip_id() -> u64 {
+        let mut chip_id: [u8; 8] = [0; 8];
+        unsafe {
+            esp_efuse_mac_get_default(&mut chip_id as *mut u8);
+        }
+        return u64::from_be_bytes(chip_id);
+    }
+
+    fn take() -> Self {
+        // It is necessary to call this function once. Otherwise some patches to the runtime
+        // implemented by esp-idf-sys might not link properly. See https://github.com/esp-rs/esp-idf-template/issues/71
+        esp_idf_svc::sys::link_patches();
+
+        // Bind the log crate to the ESP Logging facilities
+        esp_idf_svc::log::EspLogger::initialize_default();
+
+        let peripherals = Peripherals::take().unwrap();
+        let sys_loop = EspSystemEventLoop::take().unwrap();
+
+        Esp32Board {
+            modem: Some(peripherals.modem),
+            sys_loop: sys_loop,
+            surfaces: Some(BufferedSurfacePool::new()),
+            pins: Some(peripherals.pins),
+            rmt: Some(peripherals.rmt)
+        }
+    }
+
+    fn output(&mut self) -> Self::Output {
+
+        log::info!("Setting up output for chip ID {:x?}", Self::chip_id());
+
+        const POWER_VOLTS : u32 = 5;
+        const POWER_MA : u32 = 500;
+        const MAX_POWER_MW : u32 = POWER_VOLTS * POWER_MA;
+
+        let pins = self.pins.take().unwrap();
+        let rmt = self.rmt.take().unwrap();
+        ThreadSpawnConfiguration {
+            pin_to_core: Some(esp_idf_svc::hal::cpu::Core::Core1),
+            ..Default::default()
+        }.set().unwrap();
+        // Wifi driver creates too many interrupts on core0, so we need to use RMT on core1.
+        // But the implementation spawns a thread based on the core the driver was created in,
+        // so we create the driver in another thread briefly.
+        // Fun stuff.
+        let output = match Self::chip_id().to_be_bytes() { // panel test board
+            [72, 202, 67, 89, 145, 204, 0, 0] => {
+                StrideOutput::new(
+                    Pixbuf::new(),
+                    StrideMapping::new_panel(), 
+                    std::thread::spawn(move || { FastWs2812Esp32Rmt::new(rmt.channel0, pins.gpio5).unwrap() }).join().unwrap(),
+                    MAX_POWER_MW
+                )
+            },
+            [0x8C, 0xAA, 0xB5, 0x83, 0x5f, 0x74, 0x0, 0x0] => { //ponderjar
+                StrideOutput::new(
+                    Pixbuf::new(),
+                    StrideMapping::new_jar(),
+                    std::thread::spawn(move || { FastWs2812Esp32Rmt::new(rmt.channel0, pins.gpio14).unwrap() }).join().unwrap(),
+                    MAX_POWER_MW
+                )
+            },
+            [0x4a, 0xca, 0x43, 0x59, 0x85, 0x58, 0x0, 0x0] => { // Albus the tree
+                StrideOutput::new(
+                    Pixbuf::new(),
+                    StrideMapping::new_albus(),
+                    std::thread::spawn(move || { FastWs2812Esp32Rmt::new(rmt.channel0, pins.gpio5).unwrap() }).join().unwrap(),
+                    POWER_VOLTS * 2_400
+                )
+            },
+            [0x48, 0xca, 0x43, 0x59, 0x9d, 0x48, 0x0, 0x0] => { // kitchen cabinets
+                StrideOutput::new(
+                    Pixbuf::new(),
+                    StrideMapping::new_fairylights(),
+                    std::thread::spawn(move || { FastWs2812Esp32Rmt::new(rmt.channel0, pins.gpio5).unwrap() }).join().unwrap(),
+                    MAX_POWER_MW
+                )
+            },
+            [0x48, 0xca, 0x43, 0x59, 0x9e, 0xdc, 0x0, 0x0] => { // front window
+                StrideOutput::new(
+                    Pixbuf::new(),
+                    StrideMapping::new_fairylights(),
+                    std::thread::spawn(move || { FastWs2812Esp32Rmt::new(rmt.channel0, pins.gpio5).unwrap() }).join().unwrap(),
+                    MAX_POWER_MW
+                )
+            },
+            [0xfc, 0xf5, 0xc4, 0x05, 0xb8, 0x30, 0x0, 0x0] => { // cyberplague
+                StrideOutput::new(
+                    Pixbuf::new(),
+                    StrideMapping::new_cyberplague(),
+                    std::thread::spawn(move || { FastWs2812Esp32Rmt::new(rmt.channel0, pins.gpio13).unwrap() }).join().unwrap(),
+                    MAX_POWER_MW
+                )
+            },
+            _ => {
+                StrideOutput::new(
+                    Pixbuf::new(),
+                    StrideMapping::new(), 
+                    std::thread::spawn(move || { FastWs2812Esp32Rmt::new(rmt.channel0, pins.gpio5).unwrap() }).join().unwrap(),
+                    MAX_POWER_MW
+                )
+            }
+        };
+        ThreadSpawnConfiguration {
+            ..Default::default()
+        }.set().unwrap();
+
+        output
+    }
+
+    fn surfaces(&mut self) -> Self::Surfaces {
+        self.surfaces.take().unwrap()
+    }
+
+    fn system_tasks(&mut self) -> Self::Scheduler {
+        let nvs = EspDefaultNvsPartition::take().unwrap();
+        FixedSizeScheduler::new([
+            Box::new(WifiTask::new(self.modem.take().unwrap(), self.sys_loop.clone(), &nvs)),
+            Box::new(MqttTask::new())
+        ])
+    }
+}

src/platform/esp32/mod.rs

@@ -0,0 +1,3 @@
+pub mod board;
+pub mod wifi;
+pub mod mqtt;

src/platform/esp32/mqtt.rs

@@ -0,0 +1,186 @@
+use std::{collections::LinkedList, thread::JoinHandle};
+
+use esp_idf_svc::mqtt::client::{EspMqttClient, MqttClientConfiguration};
+use serde_json::{json, Value};
+
+use crate::{events::{Event, EventBus, Namespace, Property, System as SystemNS, Variant}, prop_id, render::props::Output as OutputNS, scenes::props::Scenes as SceneNS, task::Task, PropertyID};
+use crate::platform::props::Board as BoardNS;
+
+struct HADevice {
+    prefix: String,
+    unique_id: String
+}
+
+impl HADevice {
+    fn new(component: &str, chip_id: u64, name: &str) -> Self {
+        HADevice {
+            // eg: homeassistant/sensor/0BADCOFFEE/fps
+            unique_id: format!("{:X}-{}", chip_id, name),
+            prefix: format!("homeassistant/{}/renderbug-rs/{:X}-{}", component, chip_id, name)
+        }
+    }
+
+    fn topic(&self, name: &str) -> String {
+        format!("{}/{}", self.prefix, name)
+    }
+
+    fn registration(&self) -> Value {
+        json!({
+            "~": self.prefix,
+            "stat_t": "~/state",
+            "unique_id": self.unique_id,
+            "dev": {
+                "name": "Renderbug-rs ESP32",
+                "mdl": "Renderbug-rs ESP32",
+                "sw": "",
+                "mf": "Phong Robotics",
+                "ids": [self.unique_id]
+            }
+        })
+    }
+}
+
+struct HAScene {
+    prefix: String,
+    unique_id: String
+}
+
+impl HAScene {
+    fn new(chip_id: u64, name: &str) -> Self {
+        HAScene {
+            // eg: homeassistant/sensor/0BADCOFFEE/fps
+            unique_id: format!("{:X}-{}", chip_id, name),
+            prefix: format!("homeassistant/scene/renderbug-rs/{:X}-{}", chip_id, name)
+        }
+    }
+
+    fn topic(&self, name: &str) -> String {
+        format!("{}/{}", self.prefix, name)
+    }
+
+    fn registration(&self) -> Value {
+        json!({
+            "~": self.prefix,
+            "stat_t": "~/state",
+            "cmd_t": "~/command",
+            "unique_id": self.unique_id,
+            "payload_on": "on",
+            "dev": {
+                "name": "Renderbug-rs ESP32",
+                "mdl": "Renderbug-rs ESP32",
+                "sw": "",
+                "mf": "Phong Robotics",
+                "ids": [self.unique_id]
+            }
+        })
+    }
+}
+
+pub struct MqttTask {
+    client: Option<EspMqttClient<'static>>,
+    conn_thread: Option<JoinHandle<()>>,
+    fps_sensor: Option<HADevice>
+}
+
+impl MqttTask {
+    pub fn new() -> Self {
+        MqttTask {
+            conn_thread: None,
+            client: None,
+            fps_sensor: None
+        }
+    }
+
+    fn start_mqtt(&mut self, bus: &EventBus) {
+        log::info!("Starting MQTT");
+        let chip_id: u64 = bus.properties().get(BoardNS::ChipID).unwrap().into();
+
+        self.fps_sensor = Some(HADevice::new("sensor", chip_id, "output-fps"));
+
+        let (client, mut conn) = EspMqttClient::new(
+            "mqtt://10.0.0.2:1883",
+            &MqttClientConfiguration {
+                client_id: Some(&format!("{:X}", chip_id)),
+                ..Default::default()
+            }
+        ).unwrap();
+        log::info!("Connected!");
+
+        self.conn_thread = Some(std::thread::Builder::new()
+            .stack_size(6000)
+            .spawn(move || {
+                conn.next().unwrap();
+            }).unwrap());
+        self.client = Some(client);
+    }
+}
+
+impl Task for MqttTask {
+    fn start(&mut self, bus: &mut EventBus) {
+        bus.push(props::MQTT::Online.new_property_change(false));
+
+
+        let chip_id = bus.properties().get(BoardNS::ChipID).unwrap().into();
+        self.fps_sensor = Some(HADevice::new("sensor", chip_id, "fps"));
+    }
+
+    fn on_property_change(&mut self, key: PropertyID, value: &Variant, bus: &mut EventBus) {
+        match (key, value) {
+            (prop_id!(System, Online), Variant::Boolean(true)) => {
+                log::info!("Registering with MQTT");
+
+                let chip_id = bus.properties().get(BoardNS::ChipID).unwrap().into();
+
+                self.start_mqtt(bus);
+
+                if let Some(ref mut client) = self.client {
+                    if let Some(ref sensor) = self.fps_sensor {
+                        client.enqueue(
+                            &sensor.topic("config"),
+                            esp_idf_svc::mqtt::client::QoS::AtLeastOnce,
+                            false,
+                            sensor.registration().to_string().as_bytes()
+                        ).unwrap();
+                    }
+
+                    let scenes: Vec<Variant> = bus.properties().get(SceneNS::All).unwrap().into();
+                    for scene in scenes.iter() {
+                        let scene_name: String = scene.clone().into();
+                        let scene_device = HAScene::new(chip_id, scene_name.as_str());
+                        client.enqueue(
+                            &scene_device.topic("config"),
+                            esp_idf_svc::mqtt::client::QoS::AtLeastOnce,
+                            false,
+                            scene_device.registration().to_string().as_bytes()
+                        ).unwrap();
+                    }
+                    log::info!("MQTT should be online!");
+
+                    bus.push(props::MQTT::Online.new_property_change(true));
+                }
+            },
+            (prop_id!(Output, FPS), Variant::UInt(fps)) => {
+                if let Some(ref mut client) = self.client {
+                    if let Some(ref sensor) = self.fps_sensor {
+                        client.enqueue(
+                            &sensor.topic("state"),
+                            esp_idf_svc::mqtt::client::QoS::AtLeastOnce,
+                            false,
+                            json!(fps).to_string().as_bytes()
+                        ).unwrap();
+                    }
+                }
+            },
+            _ => ()
+        }
+    }
+}
+
+pub mod props {
+    use crate::property_namespace;
+
+    property_namespace!(
+        MQTT,
+        Online => true
+    );
+}

src/platform/esp32/wifi.rs

@@ -0,0 +1,104 @@
+use esp_idf_svc::{eventloop::{EspSubscription, EspSystemEventLoop, System}, hal::modem::Modem, netif::IpEvent, nvs::{EspNvsPartition, NvsDefault}, sntp::{EspSntp, SyncStatus}, wifi::{AuthMethod, ClientConfiguration, Configuration, EspWifi, WifiEvent}};
+
+use crate::{events::{EventBus, Variant, System as SystemNS}, task::Task, time::Periodically};
+
+use std::fmt::Debug;
+
+pub struct WifiTask {
+    wifi: EspWifi<'static>,
+    ntp: EspSntp<'static>,
+    connection_check: Periodically,
+    sys_loop: EspSystemEventLoop,
+    wifi_sub: Option<EspSubscription<'static, System>>,
+    ip_sub: Option<EspSubscription<'static, System>>,
+}
+
+impl Debug for WifiTask {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        f.debug_struct("WifiTask").finish()
+    }
+}
+
+impl WifiTask {
+    pub fn new(modem: Modem, sys_loop: EspSystemEventLoop, nvs: &EspNvsPartition<NvsDefault>) -> Self {
+        log::info!("Installing wifi driver");
+        let wifi = EspWifi::new(
+            modem,
+            sys_loop.clone(),
+            Some(nvs.clone())
+        ).unwrap();
+
+        WifiTask {
+            wifi,
+            ntp: EspSntp::new_default().unwrap(),
+            connection_check: Periodically::new_every_n_seconds(1),
+            sys_loop,
+            wifi_sub: None,
+            ip_sub: None,
+        }
+    }
+
+    fn connect(&mut self) {
+        log::info!("Connecting wifi");
+        let wifi_config = Configuration::Client(ClientConfiguration {
+            ssid: "The Frequency".try_into().unwrap(),
+            bssid: None,
+            auth_method: AuthMethod::WPA2Personal,
+            password: "thepasswordkenneth".try_into().unwrap(),
+            channel: None,
+            ..Default::default()
+        });
+        self.wifi.set_configuration(&wifi_config).unwrap();
+        self.wifi.start().unwrap();
+        self.wifi.connect().unwrap();
+    }
+
+    fn disconnect(&mut self) {
+        log::info!("Disconnecting wifi");
+        self.wifi.disconnect().unwrap();
+        self.wifi.stop().unwrap();
+    }
+}
+
+impl Task for WifiTask {
+    fn start(&mut self, bus: &mut EventBus) {
+        log::info!("Starting wifi!");
+        let mut wifi_bus = bus.clone();
+        self.wifi_sub = Some(self.sys_loop.subscribe::<WifiEvent, _>( move |evt| {
+            log::debug!("wifi event {:?}", evt);
+            wifi_bus.push(SystemNS::NetworkOnline.new_property_change(false));
+        }).unwrap());
+        let mut ip_bus = bus.clone();
+        self.ip_sub = Some(self.sys_loop.subscribe::<IpEvent, _>(move |evt| {
+            log::debug!("ip event {:?}", evt);
+            match evt {
+                IpEvent::DhcpIpAssigned(addr) => {
+                    ip_bus.set_property(SystemNS::IP, addr.ip().to_string());
+                    ip_bus.set_property(SystemNS::Gateway, addr.gateway().to_string());
+                    ip_bus.set_property(SystemNS::NetworkOnline, true);
+                },
+                _ => ()
+            }
+        }).unwrap());
+        self.connect();
+    }
+
+    fn on_tick(&mut self, bus: &mut EventBus) {
+        if self.connection_check.tick() {
+            if bus.properties().get(SystemNS::NetworkOnline).unwrap() == Variant::Boolean(true) {
+                match self.ntp.get_sync_status() {
+                    SyncStatus::Completed => bus.set_property(SystemNS::TimeSync, true),
+                    _ => bus.set_property(SystemNS::TimeSync, false)
+                }
+            }
+        }
+    }
+
+    fn stop(&mut self, bus: &mut EventBus) {
+        log::info!("Stopping wifi");
+        self.wifi_sub.take().unwrap();
+        self.ip_sub.take().unwrap();
+        self.disconnect();
+        bus.push(SystemNS::NetworkOnline.new_property_change(false));
+    }
+}

src/platform/mod.rs

@@ -6,7 +6,7 @@ pub mod smart_leds_lib;
 
 pub mod esp32;
 
-pub type DefaultBoard = esp32::Esp32Board;
+pub type DefaultBoard = esp32::board::Esp32Board;
 
 use crate::render::{Output, Surfaces};
 use crate::task::Scheduler;
@@ -21,4 +21,13 @@ pub trait Board {
     fn surfaces(&mut self) -> Self::Surfaces;
     fn system_tasks(&mut self) -> Self::Scheduler;
     fn chip_id() -> u64;
+}
+
+pub mod props {
+    use crate::property_namespace;
+
+    property_namespace!(
+        Board,
+        ChipID => 0_u64
+    );
 }

src/platform/smart_leds_lib.rs

@@ -2,9 +2,9 @@ use smart_leds_trait::SmartLedsWrite;
 
 use crate::buffers::Pixbuf;
 use crate::events::Variant;
-use crate::render::{HardwarePixel, Output, PixelView, Sample};
+use crate::render::{HardwarePixel, Output, PixelView, Sample, props::Output as OutputNS};
 use crate::power::brightness_for_mw;
-use crate::geometry::*;
+use crate::{geometry::*, prop_id};
 use crate::mappings::*;
 
 use core::fmt::Debug;
@@ -57,7 +57,7 @@ impl<P: Pixbuf<Pixel=T::Color>, T: FastWrite> Output for StrideOutput<P, T> {
 
     fn on_event(&mut self, event: &crate::events::Event) {
         match event {
-            crate::events::Event::PropertyChange("output.brightness", Variant::Byte(new_brightness)) => self.brightness = *new_brightness,
+            crate::events::Event::PropertyChange(prop_id!(Output, Brightness), Variant::Byte(new_brightness)) => self.brightness = *new_brightness,
             _ => ()
         }
     }

src/render.rs

@@ -1,13 +1,13 @@
 use rgb::Rgb;
-
-use crate::events::{Event, EventBus};
-use crate::geometry::*;
+use crate::events::*;
+use crate::{geometry::*, PropertyID};
 use crate::lib8::interpolate::Fract8Ops;
 use crate::power::AsMilliwatts;
 use crate::task::Task;
 use crate::time::Periodically;
 use running_average::RealTimeRunningAverage;
 use core::fmt::Debug;
+use std::collections::LinkedList;
 
 pub trait HardwarePixel: Send + Sync + Copy + AsMilliwatts + Default + From<Rgb<u8>> + Fract8Ops {}
 impl<T> HardwarePixel for T where T: Send + Sync + Copy + AsMilliwatts + Default + From<Rgb<u8>> + Fract8Ops {}
@@ -23,19 +23,19 @@ pub trait Sample {
     fn sample(&mut self, rect: &Rectangle<Virtual>) -> impl PixelView<Pixel = Self::Pixel>;
 }
 
-pub trait Shader: Send + Sync {
+pub trait Shader: Send {
     fn draw(&self, surface_coords: &VirtualCoordinates, frame: usize) -> Rgb<u8>;
 }
 
-pub trait Surfaces: Send + Sync {
+pub trait Surfaces: Send {
     type Surface: Surface;
     type Error: Debug;
     fn new_surface(&mut self, area: Rectangle<Virtual>) -> Result<Self::Surface, Self::Error>;
     fn render_to<S: Sample>(&self, output: &mut S, frame: usize);
 }
 
-pub trait Surface: Send + Sync {
-    fn set_shader(&mut self, shader: Box<dyn Shader>);
+pub trait Surface: Send {
+    fn set_shader<T: Shader + 'static>(&mut self, shader: T);
     fn clear_shader(&mut self);
 
     fn set_rect(&mut self, rect: Rectangle<Virtual>);
@@ -74,7 +74,7 @@ impl<T: Output, S: Surfaces> Renderer<T, S> {
 impl<T: Output, S: Surfaces> Task for Renderer<T, S> {
     fn name(&self) -> &'static str { "Renderer" }
 
-    fn on_property_change(&mut self, key: &'static str, value: &crate::events::Variant, _bus: &mut EventBus) {
+    fn on_property_change(&mut self, key: PropertyID, value: &crate::events::Variant, _bus: &mut EventBus) {
         self.output.on_event(&Event::new_property_change(key, value.clone()));
     }
 
@@ -90,7 +90,17 @@ impl<T: Output, S: Surfaces> Task for Renderer<T, S> {
             self.fps.insert((self.frame - self.frame_count) as u32);
             self.frame_count = self.frame;
             let fps = self.fps.measurement();
-            bus.push(Event::new_property_change("output.fps", fps.rate() as u32));
+            bus.push(crate::render::props::Output::FPS.new_property_change(fps.rate() as u32));
         });
     }
+}
+
+pub mod props {
+    use crate::property_namespace;
+
+    property_namespace!(
+        Output,
+        FPS => 0,
+        Brightness => 0
+    );
 }

src/scenes.rs

@@ -1,5 +1,3 @@
-use std::str::FromStr;
-
 use crate::task::Task;
 use crate::events::*;
 
@@ -78,34 +76,53 @@ impl Sequencer {
     }
 }
 
+pub mod props {
+    use crate::property_namespace;
+
+    property_namespace!(
+        Scenes,
+        Current => "",
+        All => Vec::new()
+    );
+}
+
+use crate::scenes::props::Scenes;
+
 impl Task for Sequencer {
     fn start(&mut self, bus: &mut EventBus) {
         log::info!("Starting sequencer!!!");
 
         let startup_scene = self.scenes.iter().filter(|i| { i.trigger == Trigger::Startup }).next().unwrap();
-        bus.push(Event::new_property_change("scenes.current", startup_scene.name));
+        bus.push(Scenes::Current.new_property_change(startup_scene.name));
+        let mut scene_list = Vec::new();
+        for scene in self.scenes.iter() {
+            scene_list.push(Variant::String(scene.name.to_string()));
+        }
+
+        bus.push(Scenes::All.new_property_change(scene_list));
     }
 
-    fn on_property_change(&mut self, key: &'static str, value: &Variant, bus: &mut EventBus) {
+    fn on_property_change(&mut self, key: PropertyID, value: &Variant, bus: &mut EventBus) {
         match (key, value) {
-            ("scenes.current", Variant::String(scene_name)) => {
+            (prop_id!(Scenes, Current), Variant::String(ref scene_name)) => {
                 log::info!("Applying scene");
                 self.apply_scene(scene_name, bus);
             },
             (key, value) => {
-                for scene in self.scenes.iter() {
+                /*for scene in self.scenes.iter() {
                     match scene.trigger {
                         Trigger::PropertyEquals(trigger_key, ref trigger_value) => {
                             if trigger_key == key && trigger_value == value {
                                 log::info!("Triggering scene {}", scene.name);
-                                bus.push(Event::new_property_change("scenes.current", scene.name))
+                                bus.push(Scenes::Current.new_property_change(scene.name))
                             }
                         },
                         _ => ()
                     }
-                }
+                }*/
             }
-            _ => ()
         }
     }
-}
+}
+
+use crate::prop_id;

src/task.rs

@@ -1,17 +1,20 @@
 use core::fmt;
+use std::collections::LinkedList;
 
-use crate::events::{Event, EventBus, Variant};
+use crate::{events::{Event, EventBus, Namespace, Property, Variant}, PropertyID};
 
 pub trait Task: Send {
     fn on_ready(&mut self, bus: &mut EventBus) {}
     fn on_tick(&mut self, bus: &mut EventBus) {}
-    fn on_property_change(&mut self, key: &'static str, value: &Variant, bus: &mut EventBus) {}
+    fn on_property_change(&mut self, key: PropertyID, value: &Variant, bus: &mut EventBus) {}
     
     fn start(&mut self, bus: &mut EventBus) {}
     fn stop(&mut self, bus: &mut EventBus) {}
     fn name(&self) -> &'static str {
         core::any::type_name::<Self>()
     }
+
+    fn properties(&self) -> LinkedList<Property> { LinkedList::new() }
 }
 
 #[derive(Debug, Clone)]
@@ -80,7 +83,7 @@ impl ScheduledTask {
                 match event {
                     Event::Tick => self.task.on_tick(bus),
                     Event::ReadyToRock => self.task.on_ready(bus),
-                    Event::PropertyChange(key, value) => self.task.on_property_change(key, value, bus),
+                    Event::PropertyChange(key, value) => self.task.on_property_change(key.clone(), value, bus),
                     _ => ()
                 }
             },
@@ -141,7 +144,6 @@ impl<const TASK_COUNT: usize> Scheduler for FixedSizeScheduler<TASK_COUNT> {
                 }
             }
         }
-
     }
 }