From 5a741d870b46fdff58509e95c080d5241eb9dc68 Mon Sep 17 00:00:00 2001
From: Tangent 128 <Tangent128@gmail.com>
Date: Mon, 28 Oct 2019 00:03:49 -0400
Subject: [PATCH] Add mardi_gras pattern
---
hello_gradient/src/bin/mardi_gras.rs | 42 ++++++++++++++++++++++++++++
1 file changed, 42 insertions(+)
create mode 100644 hello_gradient/src/bin/mardi_gras.rs
diff --git a/hello_gradient/src/bin/mardi_gras.rs b/hello_gradient/src/bin/mardi_gras.rs
new file mode 100644
index 0000000..6841330
--- /dev/null
+++ b/hello_gradient/src/bin/mardi_gras.rs
@@ -0,0 +1,42 @@
+#![no_std]
+#![no_main]
+
+use lights::{
+ gamma::correct,
+ rgb::{linear_gradient, Rgb},
+ HardwareRgb, PixelIterator,
+};
+use lights_hal::{boot, delay, entry};
+
+const YELLOW: Rgb = Rgb(255, 255, 0);
+const GREEN: Rgb = Rgb(100, 255, 0);
+const PURPLE: Rgb = Rgb(196, 0, 255);
+
+const SEGMENT_LEN: usize = 50;
+const BUFFER_LEN: usize = 200;
+
+#[entry]
+fn main() -> ! {
+ let mut lights = boot();
+ lights.heartbeat();
+
+ let mut gradient = linear_gradient(YELLOW, GREEN, SEGMENT_LEN)
+ .chain(linear_gradient(GREEN, PURPLE, SEGMENT_LEN))
+ .chain(linear_gradient(PURPLE, YELLOW, SEGMENT_LEN))
+ .cycle();
+
+ let mut buffer = [HardwareRgb(255, 255, 0); BUFFER_LEN];
+ loop {
+ // blink light to demonstrate loop is still running
+ lights.heartbeat();
+
+ for (i, pixel) in gradient.clone().take(BUFFER_LEN).enumerate() {
+ buffer[i] = correct(&pixel);
+ }
+
+ buffer.iter().render_to(&mut lights);
+
+ gradient.next();
+ delay(500_000);
+ }
+}