HCI: Add LE advertising and scanning interfaces am: 4921ea4589 am: 16af62c360 am: 2e58bef0e4 (4406dd7c) · Commits · e / os / android_packages_modules_Bluetooth

system/gd/hci/hci_layer.cc

+54 −0

Original line number	Diff line number	Diff line
		@@ -133,6 +133,42 @@ class LeSecurityInterfaceImpl : public LeSecurityInterface {
		HciLayer& hci_;
		};

		class LeAdvertisingInterfaceImpl : public LeAdvertisingInterface {
		public:
		LeAdvertisingInterfaceImpl(HciLayer& hci) : hci_(hci) {}
		virtual ~LeAdvertisingInterfaceImpl() = default;

		virtual void EnqueueCommand(std::unique_ptr<LeAdvertisingCommandBuilder> command,
		common::OnceCallback<void(CommandCompleteView)> on_complete,
		os::Handler* handler) override {
		hci_.EnqueueCommand(std::move(command), std::move(on_complete), handler);
		}

		virtual void EnqueueCommand(std::unique_ptr<LeAdvertisingCommandBuilder> command,
		common::OnceCallback<void(CommandStatusView)> on_status, os::Handler* handler) override {
		hci_.EnqueueCommand(std::move(command), std::move(on_status), handler);
		}
		HciLayer& hci_;
		};

		class LeScanningInterfaceImpl : public LeScanningInterface {
		public:
		LeScanningInterfaceImpl(HciLayer& hci) : hci_(hci) {}
		virtual ~LeScanningInterfaceImpl() = default;

		virtual void EnqueueCommand(std::unique_ptr<LeScanningCommandBuilder> command,
		common::OnceCallback<void(CommandCompleteView)> on_complete,
		os::Handler* handler) override {
		hci_.EnqueueCommand(std::move(command), std::move(on_complete), handler);
		}

		virtual void EnqueueCommand(std::unique_ptr<LeScanningCommandBuilder> command,
		common::OnceCallback<void(CommandStatusView)> on_status, os::Handler* handler) override {
		hci_.EnqueueCommand(std::move(command), std::move(on_status), handler);
		}
		HciLayer& hci_;
		};

		struct HciLayer::impl : public hal::HciHalCallbacks {
		impl(HciLayer& module) : hal_(nullptr), module_(module) {}

		@@ -385,6 +421,8 @@ struct HciLayer::impl : public hal::HciHalCallbacks {
		// Interfaces
		SecurityInterfaceImpl security_interface{module_};
		LeSecurityInterfaceImpl le_security_interface{module_};
		LeAdvertisingInterfaceImpl le_advertising_interface{module_};
		LeScanningInterfaceImpl le_scanning_interface{module_};

		// Command Handling
		std::list<CommandQueueEntry> command_queue_;
		@@ -454,6 +492,22 @@ LeSecurityInterface* HciLayer::GetLeSecurityInterface(common::Callback<void(LeMe
		return &impl_->le_security_interface;
		}

		LeAdvertisingInterface* HciLayer::GetLeAdvertisingInterface(common::Callback<void(LeMetaEventView)> event_handler,
		os::Handler* handler) {
		for (const auto subevent : LeAdvertisingInterface::LeAdvertisingEvents) {
		RegisterLeEventHandler(subevent, event_handler, handler);
		}
		return &impl_->le_advertising_interface;
		}

		LeScanningInterface* HciLayer::GetLeScanningInterface(common::Callback<void(LeMetaEventView)> event_handler,
		os::Handler* handler) {
		for (const auto subevent : LeScanningInterface::LeScanningEvents) {
		RegisterLeEventHandler(subevent, event_handler, handler);
		}
		return &impl_->le_scanning_interface;
		}

		const ModuleFactory HciLayer::Factory = ModuleFactory([]() { return new HciLayer(); });

		void HciLayer::ListDependencies(ModuleList* list) {

system/gd/hci/hci_layer.h

+8 −0

Original line number	Diff line number	Diff line
		@@ -25,6 +25,8 @@
		#include "common/callback.h"
		#include "hal/hci_hal.h"
		#include "hci/hci_packets.h"
		#include "hci/le_advertising_interface.h"
		#include "hci/le_scanning_interface.h"
		#include "hci/le_security_interface.h"
		#include "hci/security_interface.h"
		#include "module.h"
		@@ -62,6 +64,12 @@ class HciLayer : public Module {
		LeSecurityInterface* GetLeSecurityInterface(common::Callback<void(LeMetaEventView)> event_handler,
		os::Handler* handler);

		LeAdvertisingInterface* GetLeAdvertisingInterface(common::Callback<void(LeMetaEventView)> event_handler,
		os::Handler* handler);

		LeScanningInterface* GetLeScanningInterface(common::Callback<void(LeMetaEventView)> event_handler,
		os::Handler* handler);

		static const ModuleFactory Factory;

		void ListDependencies(ModuleList* list) override;

system/gd/hci/hci_packets.pdl

+3 −2

Original line number	Diff line number	Diff line
		@@ -549,6 +549,7 @@ packet ConnectionManagementCommand : CommandPacket { _payload_, }
		packet SecurityCommand : CommandPacket { _payload_, }
		packet ScoConnectionCommand : CommandPacket { _payload_, }
		packet LeAdvertisingCommand : CommandPacket { _payload_, }
		packet LeScanningCommand : CommandPacket { _payload_, }
		packet LeConnectionManagementCommand : CommandPacket { _payload_, }
		packet LeSecurityCommand : CommandPacket { _payload_, }
		packet VendorCommand : CommandPacket { _payload_, }
		@@ -2286,7 +2287,7 @@ enum LeSetScanningFilterPolicy : 8 {
		WHITE_LIST_AND_INITIATORS_IDENTITY = 0x03,
		}

		packet LeSetScanParameters : LeAdvertisingCommand (op_code = LE_SET_SCAN_PARAMETERS) {
		packet LeSetScanParameters : LeScanningCommand (op_code = LE_SET_SCAN_PARAMETERS) {
		le_scan_type : LeScanType,
		le_scan_interval : 16, // 0x0004-0x4000 Default 0x10 (10ms)
		le_scan_window : 16, // Default 0x10 (10ms)
		@@ -2298,7 +2299,7 @@ packet LeSetScanParametersComplete : CommandComplete (command_op_code = LE_SET_S
		status : ErrorCode,
		}

		packet LeSetScanEnable : LeAdvertisingCommand (op_code = LE_SET_SCAN_ENABLE) {
		packet LeSetScanEnable : LeScanningCommand (op_code = LE_SET_SCAN_ENABLE) {
		le_scan_enable : Enable,
		filter_duplicates : Enable,
		}

system/gd/hci/le_advertising_interface.h

0 → 100644

+50 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright 2019 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 "common/callback.h"
		#include "hci/hci_packets.h"
		#include "os/handler.h"
		#include "os/utils.h"

		namespace bluetooth {
		namespace hci {

		class LeAdvertisingInterface {
		public:
		LeAdvertisingInterface() = default;
		virtual ~LeAdvertisingInterface() = default;
		DISALLOW_COPY_AND_ASSIGN(LeAdvertisingInterface);

		virtual void EnqueueCommand(std::unique_ptr<LeAdvertisingCommandBuilder> command,
		common::OnceCallback<void(CommandCompleteView)> on_complete, os::Handler* handler) = 0;

		virtual void EnqueueCommand(std::unique_ptr<LeAdvertisingCommandBuilder> command,
		common::OnceCallback<void(CommandStatusView)> on_status, os::Handler* handler) = 0;

		static constexpr hci::SubeventCode LeAdvertisingEvents[] = {
		hci::SubeventCode::ADVERTISING_REPORT,
		hci::SubeventCode::DIRECTED_ADVERTISING_REPORT,
		hci::SubeventCode::EXTENDED_ADVERTISING_REPORT,
		hci::SubeventCode::PERIODIC_ADVERTISING_REPORT,
		hci::SubeventCode::PERIODIC_ADVERTISING_SYNC_ESTABLISHED,
		hci::SubeventCode::PERIODIC_ADVERTISING_SYNC_LOST,
		hci::SubeventCode::SCAN_REQUEST_RECEIVED,
		};
		};
		} // namespace hci
		} // namespace bluetooth

system/gd/hci/le_scanning_interface.h

0 → 100644

+44 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright 2019 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 "common/callback.h"
		#include "hci/hci_packets.h"
		#include "os/handler.h"
		#include "os/utils.h"

		namespace bluetooth {
		namespace hci {

		class LeScanningInterface {
		public:
		LeScanningInterface() = default;
		virtual ~LeScanningInterface() = default;
		DISALLOW_COPY_AND_ASSIGN(LeScanningInterface);

		virtual void EnqueueCommand(std::unique_ptr<LeScanningCommandBuilder> command,
		common::OnceCallback<void(CommandCompleteView)> on_complete, os::Handler* handler) = 0;

		virtual void EnqueueCommand(std::unique_ptr<LeScanningCommandBuilder> command,
		common::OnceCallback<void(CommandStatusView)> on_status, os::Handler* handler) = 0;

		static constexpr hci::SubeventCode LeScanningEvents[] = {
		hci::SubeventCode::SCAN_TIMEOUT,
		};
		};
		} // namespace hci
		} // namespace bluetooth