// Copyright 2022 Google LLC // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. use crate::clock::ClockInt; use embedded_time::duration::Milliseconds; use libtock_drivers::usb_ctap_hid::UsbEndpoint; pub enum SendOrRecvStatus { Timeout, Sent, Received(UsbEndpoint), } pub struct SendOrRecvError; pub type SendOrRecvResult = Result; pub trait HidConnection { fn send_and_maybe_recv( &mut self, buf: &mut [u8; 64], timeout: Milliseconds, ) -> SendOrRecvResult; }