ESP32: LEDC partially broken since 2440c240ced0862bbe4472581dd4c08006bc8512

[bjoernQ]

Since commit 2440c240ced0862bbe4472581dd4c08006bc8512 this example doesn't work anymore for ESP32:

//! Turns on LED with the option to change LED intensity depending on `duty`
//! value. Possible values (`u32`) are in range 0..100.
//!
//! This assumes that a LED is connected to the pin assigned to `led`. (GPIO5)

//% CHIPS: esp32 esp32c2 esp32c3 esp32c6 esp32h2 esp32s2 esp32s3
//% FEATURES: embedded-hal

#![no_std]
#![no_main]

use embedded_hal::pwm::SetDutyCycle;
use esp_backtrace as _;
use esp_hal::{
    clock::ClockControl,
    delay::Delay,
    gpio::IO,
    ledc::{
        channel::{self, ChannelIFace},
        timer::{self, TimerIFace},
        LSGlobalClkSource,
        LowSpeed,
        LEDC,
    },
    peripherals::Peripherals,
    prelude::*,
};

#[entry]
fn main() -> ! {
    let peripherals = Peripherals::take();
    let system = peripherals.SYSTEM.split();
    let clocks = ClockControl::boot_defaults(system.clock_control).freeze();

    let io = IO::new(peripherals.GPIO, peripherals.IO_MUX);
    let led = io.pins.gpio5.into_push_pull_output();

    let mut ledc = LEDC::new(peripherals.LEDC, &clocks);

    ledc.set_global_slow_clock(LSGlobalClkSource::APBClk);

    let mut lstimer0 = ledc.get_timer::<LowSpeed>(timer::Number::Timer0);

    lstimer0
        .configure(timer::config::Config {
            duty: timer::config::Duty::Duty5Bit,
            clock_source: timer::LSClockSource::APBClk,
            frequency: 24.kHz(),
        })
        .unwrap();

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

    let mut delay = Delay::new(&clocks);
    loop {
        channel0.set_duty(100).ok();
        delay.delay_millis(1000u32);
        channel0.set_duty(0).ok();
        delay.delay_millis(1000u32);
    }
}

[JurajSadel]

I can have a look into this.