device-envoy-esp 0.1.0

Build ESP32 applications with composable device abstractions
Documentation 
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//! Wiring:
//! - 12x8 NeoPixel-style (WS2812) panel data input -> GPIO18
//!
#![no_std]
#![no_main]

use core::{convert::Infallible, future::pending};

use embassy_executor::Spawner;
use esp_backtrace as _;
use log::info;

use device_envoy_core::led2d::{Frame2d, Led2d};
use device_envoy_esp::{
    Result, init_and_start,
    led_strip::{Current, Gamma},
    led2d,
    led2d::{Led2dFont, layout::LedLayout},
};
use smart_leds::colors;

esp_bootloader_esp_idf::esp_app_desc!();

const LED_LAYOUT_12X4: LedLayout<48, 12, 4> = LedLayout::serpentine_column_major();
const LED_LAYOUT_12X8: LedLayout<96, 12, 8> = LED_LAYOUT_12X4.combine_v(LED_LAYOUT_12X4);
const LED_LAYOUT_12X8_ROTATED: LedLayout<96, 8, 12> = LED_LAYOUT_12X8.rotate_cw();

led2d! {
    Led12x8Animated {
        pin: GPIO18,
        len: 96,
        led_layout: LED_LAYOUT_12X8_ROTATED,
        max_current: Current::Milliamps(300),
        font: Led2dFont::Font4x6Trim,
        gamma: Gamma::Linear,
        max_frames: 2,
    }
}

fn animate_go_go<const W: usize, const H: usize>(led2d: &impl Led2d<W, H>) {
    // First frame: "Go" with the default color behavior.
    let mut frame_0 = Frame2d::new();
    led2d.write_text_to_frame("Go", &[], &mut frame_0);

    // Second frame: "\nGo" with explicit colors.
    let mut frame_1 = Frame2d::new();
    led2d.write_text_to_frame("\nGo", &[colors::HOT_PINK, colors::LIME], &mut frame_1);

    // Animate the two frames.
    let frame_duration = embassy_time::Duration::from_secs(1);
    led2d.animate([(frame_0, frame_duration), (frame_1, frame_duration)]);
}

#[esp_rtos::main]
async fn main(spawner: Spawner) -> ! {
    let err = inner_main(spawner).await.unwrap_err();
    panic!("{err:?}");
}

async fn inner_main(spawner: Spawner) -> Result<Infallible> {
    init_and_start!(p, rmt80: rmt80, mode: rmt_mode::Blocking);
    esp_println::logger::init_logger(log::LevelFilter::Info);

    info!("LED 2D trait example 2: Animated text on a rotated 12x8 panel via GPIO18");

    let led12x8_animated = Led12x8Animated::new(p.GPIO18, rmt80.channel0, spawner)?;

    animate_go_go(&led12x8_animated);

    pending().await
}