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56 lines
1.6 KiB
56 lines
1.6 KiB
//
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// Copyright 2017 The Android Open Source Project
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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#pragma once
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#include <hidl/HidlSupport.h>
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#include <functional>
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#include <vector>
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#include "hci_internals.h"
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namespace android {
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namespace hardware {
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namespace bluetooth {
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namespace hci {
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using ::android::hardware::hidl_vec;
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using HciPacketReadyCallback = std::function<void(void)>;
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class HciPacketizer {
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public:
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HciPacketizer() = default;
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bool OnDataReady(HciPacketType packet_type, const std::vector<uint8_t>& data,
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size_t offset);
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const hidl_vec<uint8_t>& GetPacket() const;
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private:
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size_t fill_header(HciPacketType packet_type,
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const std::vector<uint8_t>& data, size_t offset);
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void fill_payload(const std::vector<uint8_t>& data, size_t offset);
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enum State { HCI_HEADER, HCI_PAYLOAD };
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State state_{HCI_HEADER};
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hidl_vec<uint8_t> packet_;
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std::vector<uint8_t> packet_buffer_;
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size_t bytes_remaining_{0};
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};
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} // namespace hci
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} // namespace bluetooth
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} // namespace hardware
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} // namespace android
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