65 lines
1.8 KiB
Rust
65 lines
1.8 KiB
Rust
//! This example shows how to use USB (Universal Serial Bus) in the RP2040 chip.
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//!
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//! This creates the possibility to send log::info/warn/error/debug! to USB serial port.
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#![no_std]
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#![no_main]
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use core::str;
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use embassy_executor::Spawner;
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use embassy_rp::bind_interrupts;
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use embassy_rp::peripherals::USB;
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use embassy_rp::rom_data::reset_to_usb_boot;
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use embassy_rp::usb::{Driver, InterruptHandler};
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use embassy_time::Timer;
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use embassy_usb_logger::ReceiverHandler;
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use {defmt_rtt as _, panic_probe as _};
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bind_interrupts!(struct Irqs {
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USBCTRL_IRQ => InterruptHandler<USB>;
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});
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struct Handler;
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impl ReceiverHandler for Handler {
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async fn handle_data(&self, data: &[u8]) {
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if let Ok(data) = str::from_utf8(data) {
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let data = data.trim();
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// If you are using elf2uf2-term with the '-t' flag, then when closing the serial monitor,
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// this will automatically put the pico into boot mode
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if data == "q" || data == "elf2uf2-term" {
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reset_to_usb_boot(0, 0); // Restart the chip
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} else if data.eq_ignore_ascii_case("hello") {
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log::info!("World!");
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} else {
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log::info!("Recieved: {:?}", data);
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}
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}
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}
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fn new() -> Self {
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Self
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}
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}
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#[embassy_executor::task]
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async fn logger_task(driver: Driver<'static, USB>) {
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embassy_usb_logger::run!(1024, log::LevelFilter::Info, driver, Handler);
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}
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#[embassy_executor::main]
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async fn main(spawner: Spawner) {
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let p = embassy_rp::init(Default::default());
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let driver = Driver::new(p.USB, Irqs);
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spawner.spawn(logger_task(driver)).unwrap();
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let mut counter = 0;
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loop {
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counter += 1;
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log::info!("Tick {}", counter);
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Timer::after_secs(1).await;
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}
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}
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