| /* |
| * 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. |
| */ |
| |
| #pragma once |
| |
| #include "avrcp_packet.h" |
| |
| namespace bluetooth { |
| namespace avrcp { |
| |
| class VendorPacketBuilder : public avrcp::PacketBuilder { |
| public: |
| virtual ~VendorPacketBuilder() = default; |
| |
| static std::unique_ptr<VendorPacketBuilder> MakeBuilder( |
| CType ctype, CommandPdu pdu, PacketType packet_type, |
| std::unique_ptr<::bluetooth::PacketBuilder> payload); |
| |
| virtual size_t size() const override; |
| virtual bool Serialize( |
| const std::shared_ptr<::bluetooth::Packet>& pkt) override; |
| |
| protected: |
| CommandPdu pdu_; |
| PacketType packet_type_; |
| uint16_t param_length_; |
| |
| void PushHeader(const std::shared_ptr<::bluetooth::Packet>& pkt, |
| uint16_t parameter_length); |
| |
| // Helper function used a couple other AVRCP packet builders |
| bool PushAttributeValue(const std::shared_ptr<::bluetooth::Packet>& pkt, |
| const AttributeEntry& entry); |
| |
| VendorPacketBuilder(CType ctype, CommandPdu pdu, PacketType packet_type) |
| : PacketBuilder(ctype, 0x09, 0x00, Opcode::VENDOR), |
| pdu_(pdu), |
| packet_type_(packet_type){}; |
| }; |
| |
| class VendorPacket : public avrcp::Packet { |
| public: |
| virtual ~VendorPacket() = default; |
| |
| /** |
| * Avrcp Vendor Packet Layout |
| * AvrcpPacket: |
| * CType c_type_; |
| * uint8_t subunit_type_ : 5; |
| * uint8_t subunit_id_ : 3; |
| * Opcode opcode_; |
| * VendorPacket: |
| * uint8_t company_id[3]; |
| * uint8_t command_pdu; |
| * uint8_t packet_type; |
| * uint16_t parameter_length; |
| * uint8_t[] payload; |
| */ |
| static constexpr size_t kMinSize() { return Packet::kMinSize() + 7; }; |
| |
| // Getter Functions |
| uint32_t GetCompanyId() const; |
| CommandPdu GetCommandPdu() const; |
| PacketType GetPacketType() const; |
| uint16_t GetParameterLength() const; |
| |
| // Overloaded functions |
| virtual bool IsValid() const override; |
| virtual std::string ToString() const override; |
| |
| protected: |
| using Packet::Packet; |
| }; |
| |
| } // namespace avrcp |
| } // namespace bluetooth |