embassy/examples/rp/src/bin/usb_logger.rs

//! This example shows how to use USB (Universal Serial Bus) in the RP2040 chip.
//!
//! This creates the possibility to send log::info/warn/error/debug! to USB serial port.

#![no_std]
#![no_main]
#![feature(type_alias_impl_trait)]

use embassy_executor::Spawner;
use embassy_rp::bind_interrupts;
use embassy_rp::peripherals::USB;
use embassy_rp::usb::{Driver, InterruptHandler};
use embassy_time::{Duration, Timer};
use {defmt_rtt as _, panic_probe as _};

bind_interrupts!(struct Irqs {
    USBCTRL_IRQ => InterruptHandler<USB>;
});

#[embassy_executor::task]
async fn logger_task(driver: Driver<'static, USB>) {
    embassy_usb_logger::run!(1024, log::LevelFilter::Info, driver);
}

#[embassy_executor::main]
async fn main(spawner: Spawner) {
    let p = embassy_rp::init(Default::default());
    let driver = Driver::new(p.USB, Irqs);
    spawner.spawn(logger_task(driver)).unwrap();

    let mut counter = 0;
    loop {
        counter += 1;
        log::info!("Tick {}", counter);
        Timer::after(Duration::from_secs(1)).await;
    }
}