| /* |
| * 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 "vendor_packet.h" |
| |
| // TODO (apanicke): Set Absolute Volume request vs response have the same |
| // packet structure, the only difference between the two is the CType. |
| // Adding a passed flag as a parameter would be possible but I feel that |
| // this would break the design pattern of request vs response. Look into |
| // this for the future. |
| |
| namespace bluetooth { |
| namespace avrcp { |
| |
| class SetAbsoluteVolumeRequestBuilder : public VendorPacketBuilder { |
| public: |
| virtual ~SetAbsoluteVolumeRequestBuilder() = default; |
| |
| static std::unique_ptr<SetAbsoluteVolumeRequestBuilder> MakeBuilder( |
| uint8_t volume); |
| |
| virtual size_t size() const override; |
| virtual bool Serialize( |
| const std::shared_ptr<::bluetooth::Packet>& pkt) override; |
| |
| protected: |
| uint8_t volume_; |
| |
| SetAbsoluteVolumeRequestBuilder(uint8_t volume) |
| : VendorPacketBuilder(CType::CONTROL, CommandPdu::SET_ABSOLUTE_VOLUME, |
| PacketType::SINGLE), |
| volume_(volume){}; |
| }; |
| |
| class SetAbsoluteVolumeResponse : public VendorPacket { |
| public: |
| virtual ~SetAbsoluteVolumeResponse() = default; |
| |
| /** |
| * AVRCP Play Item Request 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; |
| * SetAbsoluteVolumeResponse: |
| * uint8_t volume; |
| */ |
| static constexpr size_t kMinSize() { return VendorPacket::kMinSize() + 1; } |
| |
| uint8_t GetVolume() const; |
| |
| virtual bool IsValid() const override; |
| virtual std::string ToString() const override; |
| |
| protected: |
| using VendorPacket::VendorPacket; |
| }; |
| |
| } // namespace avrcp |
| } // namespace bluetooth |