feat: 实现流光效果。

src/main.rs

@@ -0,0 +1,36 @@
+#![feature(is_some_with)]
+#![feature(core_intrinsics)]
+use smart_leds::hsv::{hsv2rgb, Hsv};
+use smart_leds::SmartLedsWrite;
+use std::thread::sleep;
+use std::{env,time::Duration};
+use ws2812_esp32_rmt_driver::Ws2812Esp32Rmt;
+use esp_idf_sys::*;
+fn main() {
+    env::set_var("DEFMT_LOG", "trace");
+    env::set_var("RUST_LOG", "trace");
+    // env_logger::init();
+    // Temporary. Will disappear once ESP-IDF 4.4 is released, but for now it is necessary to call this function once,
+    // or else some patches to the runtime implemented by esp-idf-sys might not link properly.
+    esp_idf_sys::link_patches();
+
+    let mut ws2812 = Ws2812Esp32Rmt::new(0, 1).unwrap();
+
+    println!("Start NeoPixel rainbow!");
+
+    let mut hue = unsafe { esp_random() } as u8;
+    loop {
+        let pixels = (0..60).map(|i: u8| {
+            let hue = hue.wrapping_add(i.wrapping_mul(4));
+            let sat = 170;
+            let val = 250;
+            let rgb = hsv2rgb(Hsv { hue, sat, val });
+            rgb
+        });
+        ws2812.write(pixels).unwrap();
+
+        sleep(Duration::from_millis(20));
+
+        hue = hue.wrapping_add(1);
+    }
+}