Valentine's pattern

harrogate/Cargo.toml

@@ -17,6 +17,7 @@ replace-default = []
 december-01-2019 = ["replace-default"]
 december-21-2019 = ["replace-default"]
 december-24-2019 = ["replace-default"]
+valentines-2020 = ["replace-default"]
 
 [dependencies]
 house = { path = "../house" }

harrogate/src/main.rs

@@ -8,6 +8,7 @@ pub use lights_hal::delay;
 mod december_01_2019;
 mod december_21_2019;
 mod december_24_2019;
+mod valentines_2020;
 mod door_light;
 
 #[entry]
@@ -23,6 +24,9 @@ fn main() -> ! {
     #[cfg(feature = "december-24-2019")]
     december_24_2019::run(&mut lights);
 
+    #[cfg(feature = "valentines-2020")]
+    valentines_2020::run(&mut lights);
+
     #[cfg(not(feature = "replace-default"))]
     door_light::run(&mut lights);
 }

harrogate/src/valentines_2020.rs

@@ -0,0 +1,36 @@
+use super::delay;
+use core::iter::repeat;
+use house::Harrogate;
+use lights::rgb::{linear_gradient, Rgb};
+use lights::{HardwareRgb, Lights};
+
+const OFF: Rgb = Rgb(0, 0, 0);
+const ON: Rgb = Rgb(255, 255, 255);
+const RED: Rgb = Rgb(255, 0, 0);
+const PURPLE: Rgb = Rgb(255, 0, 255);
+
+/*
+ * 20 fade + 25 ON + 20 fade = 65 dots
+ * 85 OFF + 65 door = 150 dots
+ */
+
+#[allow(dead_code)]
+#[inline(always)]
+pub fn run(lights: &mut impl Lights<Pixel = HardwareRgb>) -> ! {
+    let door_highlight = linear_gradient(OFF, ON, 20)
+        .chain(repeat(ON).take(25))
+        .chain(linear_gradient(ON, OFF, 20))
+        .enumerate()
+        .map(|(i, pixel)| pixel * if i % 2 == 0 { RED } else { PURPLE });
+
+    let pattern = Harrogate {
+        porch_back: repeat(OFF).take(85).chain(door_highlight),
+        porch_front: repeat(OFF),
+    };
+
+    loop {
+        pattern.clone().render_to(lights);
+
+        delay(48_000_000);
+    }
+}