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81 lines
2.4 KiB
81 lines
2.4 KiB
/*
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* Copyright 2018 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 "vendor_packet.h"
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// TODO (apanicke): Set Absolute Volume request vs response have the same
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// packet structure, the only difference between the two is the CType.
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// Adding a passed flag as a parameter would be possible but I feel that
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// this would break the design pattern of request vs response. Look into
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// this for the future.
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namespace bluetooth {
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namespace avrcp {
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class SetAbsoluteVolumeRequestBuilder : public VendorPacketBuilder {
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public:
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virtual ~SetAbsoluteVolumeRequestBuilder() = default;
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static std::unique_ptr<SetAbsoluteVolumeRequestBuilder> MakeBuilder(
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uint8_t volume);
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virtual size_t size() const override;
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virtual bool Serialize(
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const std::shared_ptr<::bluetooth::Packet>& pkt) override;
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protected:
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uint8_t volume_;
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SetAbsoluteVolumeRequestBuilder(uint8_t volume)
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: VendorPacketBuilder(CType::CONTROL, CommandPdu::SET_ABSOLUTE_VOLUME,
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PacketType::SINGLE),
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volume_(volume){};
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};
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class SetAbsoluteVolumeResponse : public VendorPacket {
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public:
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virtual ~SetAbsoluteVolumeResponse() = default;
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/**
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* AVRCP Play Item Request Packet Layout
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* AvrcpPacket:
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* CType c_type_;
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* uint8_t subunit_type_ : 5;
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* uint8_t subunit_id_ : 3;
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* Opcode opcode_;
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* VendorPacket:
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* uint8_t company_id[3];
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* uint8_t command_pdu;
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* uint8_t packet_type;
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* uint16_t parameter_length;
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* SetAbsoluteVolumeResponse:
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* uint8_t volume;
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*/
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static constexpr size_t kMinSize() { return VendorPacket::kMinSize() + 1; }
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uint8_t GetVolume() const;
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virtual bool IsValid() const override;
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virtual std::string ToString() const override;
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protected:
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using VendorPacket::VendorPacket;
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};
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} // namespace avrcp
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} // namespace bluetooth
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