#![no_std]
#![no_main]
#![deny(clippy::mem_forget)]

use embassy_executor::Spawner;
use esp_hal::{
    clock::CpuClock,
    gpio::{Level, Output, OutputConfig},
    ledc::{
        channel::{self, ChannelIFace},
        timer::{self, TimerIFace},
        LSGlobalClkSource, Ledc, LowSpeed,
    },
    time::Rate,
    timer::systimer::SystemTimer,
};
use esp_hal::ledc::channel::ChannelHW;

#[panic_handler]
fn panic(_: &core::panic::PanicInfo) -> ! {
    loop {}
}

esp_bootloader_esp_idf::esp_app_desc!();



#[esp_hal_embassy::main]
async fn main(spawner: Spawner)  {
    let config = esp_hal::Config::default().with_cpu_clock(CpuClock::max());
    let peripherals = esp_hal::init(config);

    let timer0 = SystemTimer::new(peripherals.SYSTIMER);
    esp_hal_embassy::init(timer0.alarm0);
    let led = Output::new(peripherals.GPIO8, Level::High, OutputConfig::default());

    let mut ledc = Ledc::new(peripherals.LEDC);
    ledc.set_global_slow_clock(LSGlobalClkSource::APBClk);

    let mut lstimer0 = ledc.timer::<LowSpeed>(timer::Number::Timer0);
    lstimer0.configure(timer::config::Config {
        duty: timer::config::Duty::Duty5Bit,
        clock_source: timer::LSClockSource::APBClk,
        frequency: Rate::from_khz(24),
    });

    let mut channel0 = ledc.channel(channel::Number::Channel0, led);
    let _= channel0.configure(channel::config::Config {
        timer: &lstimer0,
        duty_pct: 10,
        pin_config: channel::config::PinConfig::PushPull,
    });

    // 定义七彩颜色序列 (使用PWM占空比表示)
    let colors = [
        (100, 0, 0),    // 红
        (100, 50, 0),   // 橙
        (100, 100, 0),  // 黄
        (0, 100, 0),    // 绿
        (0, 0, 100),    // 蓝
        (50, 0, 100),   // 靛
        (100, 0, 100),  // 紫
    ];
    loop {
        // let _ =channel0.start_duty_fade(0, 100, 1000);
        // while channel0.is_duty_fade_running() {}
        // let _ =channel0.start_duty_fade(100, 0, 1000);
        // while channel0.is_duty_fade_running() {}
        // for &(r, g, b) in colors.iter() {
        // 如果是单色LED，我们只能控制亮度变化
        // 这里我们使用最亮的颜色分量作为单色LED的控制值
        let brightness = 0.max(0).max(100);


        let _ =channel0.start_duty_fade(0, brightness, 1000);
        while channel0.is_duty_fade_running() {}
        embassy_time::Timer::after(embassy_time::Duration::from_millis(500)).await;
        let _ =channel0.start_duty_fade(brightness, 0, 1000);
        while channel0.is_duty_fade_running() {}

        embassy_time::Timer::after(embassy_time::Duration::from_millis(500)).await;

        // // 淡入到新颜色
        // let _ = channel0.start_duty_fade(0, brightness, 1000);
        // while channel0.is_duty_fade_running() {}
        //
        // // 保持当前颜色一段时间
        // embassy_time::Timer::after(embassy_time::Duration::from_millis(500)).await;
        //
        // // 淡出
        // let _ = channel0.start_duty_fade(brightness, 0, 1000);
        // while channel0.is_duty_fade_running_hw() {}
        // }
    }


}