You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
152 lines
4.9 KiB
152 lines
4.9 KiB
/*
|
|
* 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 "capabilities_packet.h"
|
|
|
|
namespace bluetooth {
|
|
namespace avrcp {
|
|
|
|
std::unique_ptr<GetCapabilitiesRequestBuilder>
|
|
GetCapabilitiesRequestBuilder::MakeBuilder(Capability capability) {
|
|
std::unique_ptr<GetCapabilitiesRequestBuilder> builder(
|
|
new GetCapabilitiesRequestBuilder(capability));
|
|
|
|
return builder;
|
|
}
|
|
|
|
size_t GetCapabilitiesRequestBuilder::size() const {
|
|
return GetCapabilitiesRequest::kMinSize();
|
|
}
|
|
|
|
bool GetCapabilitiesRequestBuilder::Serialize(
|
|
const std::shared_ptr<::bluetooth::Packet>& pkt) {
|
|
ReserveSpace(pkt, size());
|
|
|
|
// Push the standard avrcp headers
|
|
PacketBuilder::PushHeader(pkt);
|
|
|
|
// Push the avrcp vendor command headers, the parameter length is always 1
|
|
VendorPacketBuilder::PushHeader(pkt, 1);
|
|
|
|
// Push the capability
|
|
return AddPayloadOctets1(pkt, static_cast<uint8_t>(capability_));
|
|
}
|
|
|
|
Capability GetCapabilitiesRequest::GetCapabilityRequested() const {
|
|
auto value = *(begin() + VendorPacket::kMinSize());
|
|
return static_cast<Capability>(value);
|
|
}
|
|
|
|
bool GetCapabilitiesRequest::IsValid() const {
|
|
if (!VendorPacket::IsValid()) return false;
|
|
return (size() == VendorPacket::kMinSize() + 1);
|
|
}
|
|
|
|
std::string GetCapabilitiesRequest::ToString() const {
|
|
std::stringstream ss;
|
|
ss << "AvrcpCapabilityReqPacket: " << 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 << " └ Company ID = " << loghex(GetCompanyId()) << std::endl;
|
|
ss << " └ Command PDU = " << GetCommandPdu() << std::endl;
|
|
ss << " └ PacketType = " << GetPacketType() << std::endl;
|
|
ss << " └ Parameter Length = " << loghex(GetParameterLength()) << std::endl;
|
|
ss << " └ Capabilities Request = " << GetCapabilityRequested() << std::endl;
|
|
return ss.str();
|
|
}
|
|
|
|
std::unique_ptr<GetCapabilitiesResponseBuilder>
|
|
GetCapabilitiesResponseBuilder::MakeCompanyIdBuilder(
|
|
uint32_t company_id_element) {
|
|
std::unique_ptr<GetCapabilitiesResponseBuilder> builder(
|
|
new GetCapabilitiesResponseBuilder(Capability::COMPANY_ID));
|
|
|
|
company_id_element &= 0x00FFFFFF;
|
|
builder->elements_.insert(company_id_element);
|
|
|
|
return builder;
|
|
}
|
|
|
|
std::unique_ptr<GetCapabilitiesResponseBuilder>
|
|
GetCapabilitiesResponseBuilder::MakeEventsSupportedBuilder(Event event) {
|
|
std::unique_ptr<GetCapabilitiesResponseBuilder> builder(
|
|
new GetCapabilitiesResponseBuilder(Capability::EVENTS_SUPPORTED));
|
|
|
|
builder->elements_.insert(static_cast<uint8_t>(event));
|
|
|
|
return builder;
|
|
}
|
|
|
|
GetCapabilitiesResponseBuilder* GetCapabilitiesResponseBuilder::AddCompanyId(
|
|
uint32_t company_id) {
|
|
CHECK_EQ(capability_, Capability::COMPANY_ID);
|
|
CHECK_LT(elements_.size(), size_t(0xFF))
|
|
<< __func__ << ": maximum capability count reached";
|
|
|
|
company_id &= 0x00FFFFFF;
|
|
elements_.insert(company_id);
|
|
|
|
return this;
|
|
}
|
|
|
|
GetCapabilitiesResponseBuilder* GetCapabilitiesResponseBuilder::AddEvent(
|
|
Event event) {
|
|
CHECK_EQ(capability_, Capability::EVENTS_SUPPORTED);
|
|
CHECK_LT(elements_.size(), size_t(0xFF))
|
|
<< __func__ << ": maximum capability count reached";
|
|
|
|
elements_.insert(static_cast<uint8_t>(event));
|
|
|
|
return this;
|
|
}
|
|
|
|
size_t GetCapabilitiesResponseBuilder::size() const {
|
|
// Company ID's have a size of 3 while Events have a size of 1
|
|
size_t capability_count = elements_.size();
|
|
size_t capability_size = capability_ == Capability::COMPANY_ID ? 3 : 1;
|
|
|
|
return GetCapabilitiesResponse::kMinSize() +
|
|
(capability_count * capability_size);
|
|
}
|
|
|
|
bool GetCapabilitiesResponseBuilder::Serialize(
|
|
const std::shared_ptr<::bluetooth::Packet>& pkt) {
|
|
ReserveSpace(pkt, size());
|
|
|
|
// Push the standard avrcp headers
|
|
PacketBuilder::PushHeader(pkt);
|
|
|
|
// Push the avrcp vendor command headers
|
|
uint16_t parameter_count = size() - VendorPacket::kMinSize();
|
|
VendorPacketBuilder::PushHeader(pkt, parameter_count);
|
|
|
|
// Push the capability, capability count, and elements
|
|
AddPayloadOctets1(pkt, static_cast<uint8_t>(capability_));
|
|
AddPayloadOctets1(pkt, elements_.size());
|
|
for (auto it = elements_.begin(); it != elements_.end(); it++) {
|
|
if (capability_ == Capability::COMPANY_ID)
|
|
PushCompanyId(pkt, *it);
|
|
else
|
|
AddPayloadOctets1(pkt, *it);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
} // namespace avrcp
|
|
} // namespace bluetooth
|