// // Copyright 2017 The Android Open Source Project // // 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. // #pragma once #include <functional> #include <hidl/HidlSupport.h> #include "hci_internals.h" namespace android { namespace hardware { namespace bluetooth { namespace hci { using ::android::hardware::hidl_vec; using HciPacketReadyCallback = std::function<void(void)>; class HciPacketizer { public: HciPacketizer(HciPacketReadyCallback packet_cb) : packet_ready_cb_(packet_cb){}; void OnDataReady(int fd, HciPacketType packet_type); const hidl_vec<uint8_t>& GetPacket() const; protected: enum State { HCI_PREAMBLE, HCI_PAYLOAD }; State state_{HCI_PREAMBLE}; uint8_t preamble_[HCI_PREAMBLE_SIZE_MAX]; hidl_vec<uint8_t> packet_; size_t bytes_remaining_{0}; size_t bytes_read_{0}; HciPacketReadyCallback packet_ready_cb_; }; } // namespace hci } // namespace bluetooth } // namespace hardware } // namespace android