| /* |
| * Copyright 2018 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. |
| */ |
| |
| #include "pass_through_packet.h" |
| |
| namespace bluetooth { |
| namespace avrcp { |
| |
| std::unique_ptr<PassThroughPacketBuilder> PassThroughPacketBuilder::MakeBuilder( |
| bool response, bool pushed, uint8_t opperation_id) { |
| auto builder = std::unique_ptr<PassThroughPacketBuilder>( |
| new PassThroughPacketBuilder(response, pushed, opperation_id)); |
| |
| return builder; |
| } |
| |
| size_t PassThroughPacketBuilder::size() const { |
| return PassThroughPacket::kMinSize(); |
| } |
| |
| bool PassThroughPacketBuilder::Serialize( |
| const std::shared_ptr<::bluetooth::Packet>& pkt) { |
| ReserveSpace(pkt, size()); |
| |
| PacketBuilder::PushHeader(pkt); |
| |
| uint8_t byte = opperation_id_ & 0b01111111; |
| if (!pushed_) byte |= 0b10000000; |
| AddPayloadOctets1(pkt, byte); |
| // Data length, for this packet it's always 0; |
| AddPayloadOctets1(pkt, 0x00); |
| |
| return true; |
| } |
| |
| KeyState PassThroughPacket::GetKeyState() const { |
| auto it = begin() + Packet::kMinSize(); |
| return static_cast<KeyState>(((*it) & 0b10000000) >> 7); |
| } |
| |
| uint8_t PassThroughPacket::GetOperationId() const { |
| return *(begin() + Packet::kMinSize()) & 0b01111111; |
| } |
| |
| bool PassThroughPacket::IsValid() const { return size() == kMinSize(); } |
| |
| std::string PassThroughPacket::ToString() const { |
| std::stringstream ss; |
| ss << "Avrcp::AvrcpPacket: " << std::endl; |
| ss << " └ cType = " << GetCType() << std::endl; |
| ss << " └ Subunit Type = " << loghex(GetSubunitType()) << std::endl; |
| ss << " └ Subunit ID = " << loghex(GetSubunitId()) << std::endl; |
| ss << " └ OpCode = " << GetOpcode() << std::endl; |
| ss << " └ Pushed = " << GetKeyState() << std::endl; |
| ss << " └ Opperation ID = " << loghex(GetOperationId()) << std::endl; |
| |
| return ss.str(); |
| } |
| |
| } // namespace avrcp |
| } // namespace bluetooth |