43 lines
1020 B
Rust
43 lines
1020 B
Rust
#![no_std]
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#![no_main]
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use lights::{
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gamma::correct,
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rgb::{linear_gradient, Rgb},
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HardwareRgb, PixelIterator,
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};
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use lights_hal::{boot, delay, entry};
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const YELLOW: Rgb = Rgb(255, 255, 0);
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const GREEN: Rgb = Rgb(100, 255, 0);
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const PURPLE: Rgb = Rgb(196, 0, 255);
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const SEGMENT_LEN: usize = 50;
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const BUFFER_LEN: usize = 300;
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#[entry]
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fn main() -> ! {
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let mut lights = boot();
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lights.heartbeat();
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let mut gradient = linear_gradient(YELLOW, GREEN, SEGMENT_LEN)
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.chain(linear_gradient(GREEN, PURPLE, SEGMENT_LEN))
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.chain(linear_gradient(PURPLE, YELLOW, SEGMENT_LEN))
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.cycle();
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let mut buffer = [HardwareRgb(255, 255, 0); BUFFER_LEN];
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loop {
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// blink light to demonstrate loop is still running
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lights.heartbeat();
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for (i, pixel) in gradient.clone().take(BUFFER_LEN).enumerate() {
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buffer[i] = correct(&pixel);
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}
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buffer.iter().render_to(&mut lights);
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gradient.next();
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delay(500_000);
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}
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}
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