A color pattern sequencer, intended for groups of RGB LEDs
Check out the video in this tweet
use choreographer::{
engine::{Behavior, Sequence},
script,
};
use groundhog::std_timer::Timer;
use std::thread::sleep;
use std::time::Duration;
// Timer with 1us ticks
type MicroTimer = Timer<1_000_000>;
// Create a script for a single LED with up to
// eight different steps in the sequence
let mut script: Sequence<MicroTimer, 8> = Sequence::empty();
// This script will:
// * Keep the LED black for 1s
// * Fade from black to white and back in a sine pattern over 2.5s
// * Remain at black for 1s
// * End the sequence
script.set(&script! {
| action | color | duration_ms | period_ms_f | phase_offset_ms | repeat |
| solid | BLACK | 1000 | 0.0 | 0 | once |
| sin | WHITE | 2500 | 2500.0 | 0 | once |
| solid | BLACK | 1000 | 0.0 | 0 | once |
}, Behavior::OneShot);
// Poll the script and update the LED until the
// script has completed (4.5s or so)
while let Some(color) = script.poll() {
println!("Color: {:?}", color);
set_led(color);
sleep(Duration::from_millis(10));
}
// Now we could leave the LED off, or set a
// new sequence on some event!
This project is licensed under the Mozilla Public License v2.0.