async fn async_bulk_read(dev: &UsbDevice) -> TransferResult let mut buf = vec![0u8; 1024]; dev.bulk_read_async(0x82, &mut buf).await
usbutil_close(dev); usbutil_exit(ctx); return 0; thmyl brnamj usbutil v2.2
rc = usbutil_open_by_vidpid(ctx, 0x1234, 0x5678, &dev); if (rc != USBUTIL_SUCCESS) usbutil_exit(ctx); return rc; async fn async_bulk_read(dev: &UsbDevice) ->
rc = usbutil_init(&ctx); if (rc != USBUTIL_SUCCESS) return rc; TransferResult let mut buf = vec![0u8
// Spawn the async task on the built‑in scheduler let result = block_on(async_bulk_read(&dev))?; println!("Read {} bytes", result.bytes_transferred); Ok(()) } | Header / Module | Important Types | Representative Functions | |-----------------|-----------------|---------------------------| | usbutil.h | usb_context , usb_device , usb_endpoint | usbutil_init() , usbutil_open_by_vidpid() , usbutil_bulk_write() , usbutil_control() | | usbutil_async.h | usb_future , usb_promise | usbutil_bulk_read_async() , usbutil_submit_transfer() | | usbutil_plugin.h | usb_plugin , usb_plugin_api | usbutil_plugin_load() , usbutil_plugin_register_class() | | Python usbutil module | Device , EventLoop | Device.open() , Device.control_transfer() , EventLoop.run() | | Rust crate usbutil | UsbContext , UsbDevice , Transfer | UsbDevice::control() , UsbDevice::bulk_read_async() | | .NET UsbUtil.Net | UsbDevice , UsbTransfer | UsbDevice.Open() , UsbDevice.ReadAsync() |
Note: The embedded ports ship a reduced feature set (no hot‑plug, no plug‑in manager) to keep RAM footprint < 64 KB. | Milestone | Target Release | Planned Features | |-----------|----------------|----------------