embedded-trainings-2020/advanced/firmware/src/bin/usb-1.rs

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#![no_main]
#![no_std]
use dk::{
peripheral::USBD,
usbd::{self, Event},
};
use panic_log as _; // panic handler
#[rtic::app(device = dk)]
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const APP: () = {
struct Resources {
usbd: USBD,
}
#[init]
fn init(_cx: init::Context) -> init::LateResources {
let board = dk::init().unwrap();
// initialize the USBD peripheral
// NOTE this will block if the USB cable is not connected to port J3
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usbd::init(board.power, &board.usbd);
log::info!("USBD initialized");
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init::LateResources { usbd: board.usbd }
}
#[task(binds = USBD, resources = [usbd])]
fn main(cx: main::Context) {
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let usbd = cx.resources.usbd;
while let Some(event) = usbd::next_event(usbd) {
on_event(usbd, event)
}
}
};
fn on_event(_usbd: &USBD, event: Event) {
log::info!("USB: {:?} @ {:?}", event, dk::uptime());
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match event {
Event::UsbReset => todo!(),
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Event::UsbEp0DataDone => todo!(),
// leave this at it is for now.
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Event::UsbEp0Setup => {
log::info!("goal reached; move to the next section");
}
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}
}