2020-06-09 09:52:27 +00:00
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#![no_main]
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#![no_std]
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use dk::{
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peripheral::USBD,
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usbd::{self, Event},
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};
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use panic_log as _; // panic handler
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use usb::{Descriptor, Request};
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2020-06-12 15:54:45 +00:00
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#[rtic::app(device = dk)]
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2020-06-09 09:52:27 +00:00
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const APP: () = {
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struct Resources {
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usbd: USBD,
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}
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#[init]
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fn init(_cx: init::Context) -> init::LateResources {
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let board = dk::init().unwrap();
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usbd::init(board.power, &board.usbd);
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init::LateResources { usbd: board.usbd }
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}
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#[task(binds = USBD, resources = [usbd])]
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2020-06-25 17:14:39 +00:00
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fn main(cx: main::Context) {
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2020-06-09 09:52:27 +00:00
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let usbd = cx.resources.usbd;
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while let Some(event) = usbd::next_event(usbd) {
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on_event(usbd, event)
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}
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}
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};
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2020-06-25 17:14:39 +00:00
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fn on_event(_usbd: &USBD, event: Event) {
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log::info!("USB: {:?} @ {:?}", event, dk::uptime());
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2020-06-09 09:52:27 +00:00
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match event {
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Event::UsbReset => {
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// nothing to do here at the moment
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}
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2020-06-25 17:14:39 +00:00
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Event::UsbEp0DataDone => todo!(),
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2020-06-09 09:52:27 +00:00
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Event::UsbEp0Setup => {
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2020-06-25 17:14:39 +00:00
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// TODO read USBD registers
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let bmrequesttype = 0;
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let brequest = 0;
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let wlength = 0;
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let windex = 0;
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let wvalue = 0;
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2020-06-09 09:52:27 +00:00
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log::info!(
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2020-06-25 17:14:39 +00:00
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"SETUP: bmrequesttype: {}, brequest: {}, wlength: {}, windex: {}, wvalue: {}",
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2020-06-09 09:52:27 +00:00
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bmrequesttype,
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brequest,
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wlength,
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windex,
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wvalue
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);
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2020-07-03 10:04:05 +00:00
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// TODO modify `advanced/common/usb` to make this work
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let request = Request::parse(bmrequesttype, brequest, wvalue, windex, wlength)
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.expect("Error parsing request");
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match request {
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Request::GetDescriptor { descriptor, length }
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if descriptor == Descriptor::Device =>
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{
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log::info!("GET_DESCRIPTOR Device [length={}]", length);
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2020-06-09 09:52:27 +00:00
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2020-07-03 10:04:05 +00:00
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log::info!("Goal reached; move to the next section");
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dk::exit()
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2020-06-09 09:52:27 +00:00
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}
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2020-07-03 10:04:05 +00:00
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Request::SetAddress { .. } => {
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// On Mac OS you'll get this request before the GET_DESCRIPTOR request so we
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// need to catch it here. We'll properly handle this request later
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// but for now it's OK to do nothing.
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},
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_ => unreachable!(), // we don't handle any other Requests
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2020-06-09 09:52:27 +00:00
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}
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}
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}
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}
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