BQR: Add Bluetooth Quality Report feature am: 4a73d963a0 am: 17539d5f53 (71c3f62b) · Commits · e / os / android_packages_modules_Bluetooth

system/btif/Android.bp

+1 −0

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		@@ -53,6 +53,7 @@ cc_library_static {
		"src/btif_avrcp_audio_track.cc",
		"src/btif_ble_advertiser.cc",
		"src/btif_ble_scanner.cc",
		"src/btif_bqr.cc",
		"src/btif_config.cc",
		"src/btif_config_transcode.cc",
		"src/btif_core.cc",

system/btif/include/btif_bqr.h

0 → 100644

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		/*
		* 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.
		*/

		#ifndef BTIF_BQR_H_
		#define BTIF_BQR_H_

		#include "btm_api_types.h"
		#include "common/leaky_bonded_queue.h"

		namespace bluetooth {
		namespace bqr {

		// Bluetooth Quality Report (BQR)
		//
		// It is a feature to start the mechanism in the Bluetooth controller to report
		// Bluetooth Quality event to the host and there are four options could be
		// enabled:
		// [Quality Monitoring Mode]
		// The controller shall periodically send Bluetooth Quality Report sub-event
		// to the host.
		//
		// [Approaching LSTO]
		// Once no packets are received from the connected Bluetooth device for a
		// duration longer than the half of LSTO (Link Supervision TimeOut) value,
		// the controller shall report Approaching LSTO event to the host.
		//
		// [A2DP Audio Choppy]
		// When the controller detects the factors which will cause audio choppy,
		// the controller shall report A2DP Audio Choppy event to the host.
		//
		// [(e)SCO Voice Choppy]
		// When the controller detects the factors which will cause voice choppy,
		// the controller shall report (e)SCO Voice Choppy event to the host.

		// Bit masks for the selected quality event reporting.
		static constexpr uint32_t kQualityEventMaskAllOff = 0;
		static constexpr uint32_t kQualityEventMaskMonitorMode = 0x00000001;
		static constexpr uint32_t kQualityEventMaskApproachLsto = 0x00000002;
		static constexpr uint32_t kQualityEventMaskA2dpAudioChoppy = 0x00000004;
		static constexpr uint32_t kQualityEventMaskScoVoiceChoppy = 0x00000008;
		static constexpr uint32_t kQualityEventMaskAll =
		kQualityEventMaskMonitorMode \| kQualityEventMaskApproachLsto \|
		kQualityEventMaskA2dpAudioChoppy \| kQualityEventMaskScoVoiceChoppy;
		// Define the minimum time interval (in ms) of quality event reporting for the
		// selected quality event(s). Controller Firmware should not report the next
		// event within the defined time interval.
		static constexpr uint16_t kMinReportIntervalNoLimit = 0;
		static constexpr uint16_t kMinReportIntervalMaxMs = 0xFFFF;
		// Total length of all BQR parameters except Vendor Specific Parameters.
		static constexpr uint8_t kBqrParamTotalLen = 48;
		// Warning criteria of the RSSI value.
		static constexpr int8_t kCriWarnRssi = -80;
		// Warning criteria of the unused AFH channel count.
		static constexpr uint8_t kCriWarnUnusedCh = 55;
		// The queue size of recording the BQR events.
		static constexpr uint8_t kBqrEventQueueSize = 25;
		// The Property of BQR event mask configuration.
		static constexpr const char* kpPropertyEventMask =
		"persist.bluetooth.bqr.eventmask";
		// The Property of BQR minimum report interval configuration.
		static constexpr const char* kpPropertyReportInt =
		"persist.bluetooth.bqr.interval";

		// Action definition
		//
		// Action to Add, Delete or Clear the reporting of quality event(s).
		// Delete will clear specific quality event(s) reporting. Clear will clear all
		// quality events reporting.
		enum BqrReportAction : uint8_t {
		REPORT_ACTION_ADD = 0x00,
		REPORT_ACTION_DELETE = 0x01,
		REPORT_ACTION_CLEAR = 0x02
		};

		// Report ID definition
		enum BqrQualityReportId : uint8_t {
		QUALITY_REPORT_ID_MONITOR_MODE = 0x01,
		QUALITY_REPORT_ID_APPROACH_LSTO = 0x02,
		QUALITY_REPORT_ID_A2DP_AUDIO_CHOPPY = 0x03,
		QUALITY_REPORT_ID_SCO_VOICE_CHOPPY = 0x04
		};

		// Packet Type definition
		enum BqrPacketType : uint8_t {
		PACKET_TYPE_ID = 0x01,
		PACKET_TYPE_NULL,
		PACKET_TYPE_POLL,
		PACKET_TYPE_FHS,
		PACKET_TYPE_HV1,
		PACKET_TYPE_HV2,
		PACKET_TYPE_HV3,
		PACKET_TYPE_DV,
		PACKET_TYPE_EV3,
		PACKET_TYPE_EV4,
		PACKET_TYPE_EV5,
		PACKET_TYPE_2EV3,
		PACKET_TYPE_2EV5,
		PACKET_TYPE_3EV3,
		PACKET_TYPE_3EV5,
		PACKET_TYPE_DM1,
		PACKET_TYPE_DH1,
		PACKET_TYPE_DM3,
		PACKET_TYPE_DH3,
		PACKET_TYPE_DM5,
		PACKET_TYPE_DH5,
		PACKET_TYPE_AUX1,
		PACKET_TYPE_2DH1,
		PACKET_TYPE_2DH3,
		PACKET_TYPE_2DH5,
		PACKET_TYPE_3DH1,
		PACKET_TYPE_3DH3,
		PACKET_TYPE_3DH5
		};

		// Configuration Parameters
		typedef struct {
		BqrReportAction report_action;
		uint32_t quality_event_mask;
		uint16_t minimum_report_interval;
		} BqrConfiguration;

		// BQR sub-event of Vendor Specific Event
		class BqrVseSubEvt {
		public:
		// Parse the Bluetooth Quality Report VSE sub-event.
		//
		// @param length Total length of all parameters contained in the sub-event.
		// @param p_param_buf A pointer to the parameters contained in the sub-event.
		// @return false If the parameter total length is abnormal.
		// true If all parameters are parsed successfully.
		bool ParseBqrEvt(uint8_t length, uint8_t* p_param_buf);

		// Get a string representation of the Bluetooth Quality event.
		//
		// @return a string representation of the Bluetooth Quality event.
		std::string ToString() const;

		friend std::ostream& operator<<(std::ostream& os, const BqrVseSubEvt& a) {
		return os << a.ToString();
		}

		virtual ~BqrVseSubEvt() = default;

		// Quality report ID.
		uint8_t quality_report_id_;
		// Packet type of the connection.
		uint8_t packet_types_;
		// Connection handle of the connection.
		uint16_t connection_handle_;
		// Performing Role for the connection.
		uint8_t connection_role_;
		// Current Transmit Power Level for the connection. This value is the same as
		// the controller's response to the HCI_Read_Transmit_Power_Level HCI command.
		uint8_t tx_power_level_;
		// Received Signal Strength Indication (RSSI) value for the connection. This
		// value is an absolute receiver signal strength value.
		int8_t rssi_;
		// Signal-to-Noise Ratio (SNR) value for the connection. It is the average
		// SNR of all the channels used by the link currently.
		uint8_t snr_;
		// Indicates the number of unused channels in AFH_channel_map.
		uint8_t unused_afh_channel_count_;
		// Indicates the number of the channels which are interfered and quality is
		// bad but are still selected for AFH.
		uint8_t afh_select_unideal_channel_count_;
		// Current Link Supervision Timeout Setting.
		uint16_t lsto_;
		// Piconet Clock for the specified Connection_Handle. This value is the same
		// as the controller's response to HCI_Read_Clock HCI command with the
		// parameter "Which_Clock" of 0x01 (Piconet Clock).
		uint32_t connection_piconet_clock_;
		// The count of retransmission.
		uint32_t retransmission_count_;
		// The count of no RX.
		uint32_t no_rx_count_;
		// The count of NAK (Negative Acknowledge).
		uint32_t nak_count_;
		// Timestamp of last TX ACK.
		uint32_t last_tx_ack_timestamp_;
		// The count of Flow-off (STOP).
		uint32_t flow_off_count_;
		// Timestamp of last Flow-on (GO).
		uint32_t last_flow_on_timestamp_;
		// Buffer overflow count (how many bytes of TX data are dropped) since the
		// last event.
		uint32_t buffer_overflow_bytes_;
		// Buffer underflow count (in byte).
		uint32_t buffer_underflow_bytes_;
		// Timestamp of receiving BQR VSE sub-event
		std::tm tm_timestamp_;
		};

		// Get a string representation of the Quality Report ID.
		//
		// @param quality_report_id The quality report ID to convert.
		// @return a string representation of the Quality Report ID.
		std::string QualityReportIdToString(uint8_t quality_report_id);

		// Get a string representation of the Packet Type.
		//
		// @param packet_type The packet type to convert.
		// @return a string representation of the Packet Type.
		std::string PacketTypeToString(uint8_t packet_type);

		// Enable/Disable Bluetooth Quality Report mechanism.
		//
		// Which Quality event will be enabled is according to the setting of the
		// property "persist.bluetooth.bqr.eventmask".
		// And the minimum time interval of quality event reporting depends on the
		// setting of property "persist.bluetooth.bqr.interval".
		//
		// @param is_enable True/False to enable/disable Bluetooth Quality Report
		// mechanism in the Bluetooth controller.
		void EnableBtQualityReport(bool is_enable);

		// Dump Bluetooth Quality Report information.
		//
		// @param fd The file descriptor to use for dumping information.
		void DebugDump(int fd);

		// Configure Bluetooth Quality Report setting to the Bluetooth controller.
		//
		// @param bqr_config The struct of configuration parameters.
		void ConfigureBqr(const BqrConfiguration& bqr_config);

		// Invoked on completion of Bluetooth Quality Report configuration. Then it will
		// Register/Unregister for receiving VSE - Bluetooth Quality Report sub event.
		//
		// @param current_evt_mask Indicates current quality event bit mask setting in
		// the Bluetooth controller.
		void ConfigureBqrCmpl(uint32_t current_evt_mask);

		// Callback invoked on completion of vendor specific Bluetooth Quality Report
		// command.
		//
		// @param p_vsc_cmpl_params A pointer to the parameters contained in the vendor
		// specific command complete event.
		void BqrVscCompleteCallback(tBTM_VSC_CMPL* p_vsc_cmpl_params);

		// Record a new incoming Bluetooth Quality Report in quality event queue.
		//
		// @param len Lengths of the quality report sent from the Bluetooth
		// controller.
		// @param p_quality_report A pointer to the quality report which is sent from
		// the Bluetooth controller via Vendor Specific Event.
		void AddBqrEventToQueue(uint8_t length, uint8_t* p_stream);

		} // namespace bqr
		} // namespace bluetooth

		#endif // BTIF_BQR_H_

system/btif/src/bluetooth.cc

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		@@ -53,6 +53,7 @@
		#include "btif_a2dp.h"
		#include "btif_api.h"
		#include "btif_av.h"
		#include "btif_bqr.h"
		#include "btif_config.h"
		#include "btif_debug.h"
		#include "btif_debug_btsnoop.h"
		@@ -317,6 +318,7 @@ static void dump(int fd, const char** arguments) {
		alarm_debug_dump(fd);
		HearingAid::DebugDump(fd);
		connection_manager::dump(fd);
		bluetooth::bqr::DebugDump(fd);
		#if (BTSNOOP_MEM == TRUE)
		btif_debug_btsnoop_dump(fd);
		#endif

system/btif/src/btif_bqr.cc

0 → 100644

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		/*
		* 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.
		*/

		#include "btif_bqr.h"
		#include "btif_dm.h"
		#include "common/leaky_bonded_queue.h"
		#include "osi/include/properties.h"
		#include "stack/btm/btm_int.h"

		namespace bluetooth {
		namespace bqr {

		using bluetooth::common::LeakyBondedQueue;
		using std::chrono::system_clock;

		// The instance of BQR event queue
		static std::unique_ptr<LeakyBondedQueue<BqrVseSubEvt>> kpBqrEventQueue(
		new LeakyBondedQueue<BqrVseSubEvt>(kBqrEventQueueSize));

		bool BqrVseSubEvt::ParseBqrEvt(uint8_t length, uint8_t* p_param_buf) {
		if (length < kBqrParamTotalLen) {
		LOG(FATAL) << __func__
		<< ": Parameter total length: " << std::to_string(length)
		<< " is abnormal. It shall be not shorter than: "
		<< std::to_string(kBqrParamTotalLen);
		return false;
		}

		STREAM_TO_UINT8(quality_report_id_, p_param_buf);
		STREAM_TO_UINT8(packet_types_, p_param_buf);
		STREAM_TO_UINT16(connection_handle_, p_param_buf);
		STREAM_TO_UINT8(connection_role_, p_param_buf);
		STREAM_TO_UINT8(tx_power_level_, p_param_buf);
		STREAM_TO_INT8(rssi_, p_param_buf);
		STREAM_TO_UINT8(snr_, p_param_buf);
		STREAM_TO_UINT8(unused_afh_channel_count_, p_param_buf);
		STREAM_TO_UINT8(afh_select_unideal_channel_count_, p_param_buf);
		STREAM_TO_UINT16(lsto_, p_param_buf);
		STREAM_TO_UINT32(connection_piconet_clock_, p_param_buf);
		STREAM_TO_UINT32(retransmission_count_, p_param_buf);
		STREAM_TO_UINT32(no_rx_count_, p_param_buf);
		STREAM_TO_UINT32(nak_count_, p_param_buf);
		STREAM_TO_UINT32(last_tx_ack_timestamp_, p_param_buf);
		STREAM_TO_UINT32(flow_off_count_, p_param_buf);
		STREAM_TO_UINT32(last_flow_on_timestamp_, p_param_buf);
		STREAM_TO_UINT32(buffer_overflow_bytes_, p_param_buf);
		STREAM_TO_UINT32(buffer_underflow_bytes_, p_param_buf);

		const auto now = system_clock::to_time_t(system_clock::now());
		localtime_r(&now, &tm_timestamp_);

		return true;
		}

		std::string BqrVseSubEvt::ToString() const {
		std::stringstream ss_return_string;
		ss_return_string << QualityReportIdToString(quality_report_id_)
		<< ", Handle: " << loghex(connection_handle_) << ", "
		<< PacketTypeToString(packet_types_) << ", "
		<< ((connection_role_ == 0) ? "Master" : "Slave ")
		<< ", PwLv: " << loghex(tx_power_level_)
		<< ", RSSI: " << std::to_string(rssi_)
		<< ", SNR: " << std::to_string(snr_) << ", UnusedCh: "
		<< std::to_string(unused_afh_channel_count_)
		<< ", UnidealCh: "
		<< std::to_string(afh_select_unideal_channel_count_)
		<< ", ReTx: " << std::to_string(retransmission_count_)
		<< ", NoRX: " << std::to_string(no_rx_count_)
		<< ", NAK: " << std::to_string(nak_count_)
		<< ", FlowOff: " << std::to_string(flow_off_count_)
		<< ", OverFlow: " << std::to_string(buffer_overflow_bytes_)
		<< ", UndFlow: " << std::to_string(buffer_underflow_bytes_);
		return ss_return_string.str();
		}

		std::string QualityReportIdToString(uint8_t quality_report_id) {
		switch (quality_report_id) {
		case QUALITY_REPORT_ID_MONITOR_MODE:
		return "Monitoring ";
		case QUALITY_REPORT_ID_APPROACH_LSTO:
		return "Appro LSTO ";
		case QUALITY_REPORT_ID_A2DP_AUDIO_CHOPPY:
		return "A2DP Choppy";
		case QUALITY_REPORT_ID_SCO_VOICE_CHOPPY:
		return "SCO Choppy ";
		default:
		return "Invalid ";
		}
		}

		std::string PacketTypeToString(uint8_t packet_type) {
		switch (packet_type) {
		case PACKET_TYPE_ID:
		return "ID";
		case PACKET_TYPE_NULL:
		return "NULL";
		case PACKET_TYPE_POLL:
		return "POLL";
		case PACKET_TYPE_FHS:
		return "FHS";
		case PACKET_TYPE_HV1:
		return "HV1";
		case PACKET_TYPE_HV2:
		return "HV2";
		case PACKET_TYPE_HV3:
		return "HV3";
		case PACKET_TYPE_DV:
		return "DV";
		case PACKET_TYPE_EV3:
		return "EV3";
		case PACKET_TYPE_EV4:
		return "EV4";
		case PACKET_TYPE_EV5:
		return "EV5";
		case PACKET_TYPE_2EV3:
		return "2EV3";
		case PACKET_TYPE_2EV5:
		return "2EV5";
		case PACKET_TYPE_3EV3:
		return "3EV3";
		case PACKET_TYPE_3EV5:
		return "3EV5";
		case PACKET_TYPE_DM1:
		return "DM1";
		case PACKET_TYPE_DH1:
		return "DH1";
		case PACKET_TYPE_DM3:
		return "DM3";
		case PACKET_TYPE_DH3:
		return "DH3";
		case PACKET_TYPE_DM5:
		return "DM5";
		case PACKET_TYPE_DH5:
		return "DH5";
		case PACKET_TYPE_AUX1:
		return "AUX1";
		case PACKET_TYPE_2DH1:
		return "2DH1";
		case PACKET_TYPE_2DH3:
		return "2DH3";
		case PACKET_TYPE_2DH5:
		return "2DH5";
		case PACKET_TYPE_3DH1:
		return "3DH1";
		case PACKET_TYPE_3DH3:
		return "3DH3";
		case PACKET_TYPE_3DH5:
		return "3DH5";
		default:
		return "UnKnown ";
		}
		}

		void AddBqrEventToQueue(uint8_t length, uint8_t* p_stream) {
		std::unique_ptr<BqrVseSubEvt> p_bqr_event = std::make_unique<BqrVseSubEvt>();
		if (!p_bqr_event->ParseBqrEvt(length, p_stream)) {
		LOG(WARNING) << __func__ << ": Fail to parse BQR sub event.";
		return;
		}

		LOG(WARNING) << *p_bqr_event;
		kpBqrEventQueue->Enqueue(p_bqr_event.release());
		}

		void ConfigureBqrCmpl(uint32_t current_evt_mask) {
		LOG(INFO) << __func__ << ": current_evt_mask: " << loghex(current_evt_mask);
		// (Un)Register for VSE of Bluetooth Quality Report sub event
		tBTM_STATUS btm_status = BTM_BT_Quality_Report_VSE_Register(
		current_evt_mask > kQualityEventMaskAllOff, AddBqrEventToQueue);

		if (btm_status != BTM_SUCCESS) {
		LOG(ERROR) << __func__ << ": Fail to (un)register VSE of BQR sub event."
		<< " status: " << btm_status;
		}
		}

		void EnableBtQualityReport(bool is_enable) {
		LOG(INFO) << __func__ << ": is_enable: " << logbool(is_enable);

		char bqr_prop_evtmask[PROPERTY_VALUE_MAX] = {0};
		char bqr_prop_interval[PROPERTY_VALUE_MAX] = {0};
		osi_property_get(kpPropertyEventMask, bqr_prop_evtmask, "");
		osi_property_get(kpPropertyReportInt, bqr_prop_interval, "");

		if (strlen(bqr_prop_evtmask) == 0 \|\| strlen(bqr_prop_interval) == 0) {
		LOG(WARNING) << __func__ << ": Bluetooth Quality Report is disabled."
		<< " bqr_prop_evtmask: " << bqr_prop_evtmask
		<< ", bqr_prop_interval: " << bqr_prop_interval;
		return;
		}

		BqrConfiguration bqr_config = {};

		if (is_enable) {
		bqr_config.report_action = REPORT_ACTION_ADD;
		bqr_config.quality_event_mask =
		static_cast<uint32_t>(atoi(bqr_prop_evtmask));
		bqr_config.minimum_report_interval =
		static_cast<uint16_t>(atoi(bqr_prop_interval));
		} else {
		bqr_config.report_action = REPORT_ACTION_CLEAR;
		bqr_config.quality_event_mask = kQualityEventMaskAllOff;
		bqr_config.minimum_report_interval = kMinReportIntervalNoLimit;
		}

		LOG(INFO) << __func__
		<< ": Event Mask: " << loghex(bqr_config.quality_event_mask)
		<< ", Interval: " << bqr_config.minimum_report_interval;
		ConfigureBqr(bqr_config);
		}

		void BqrVscCompleteCallback(tBTM_VSC_CMPL* p_vsc_cmpl_params) {
		if (p_vsc_cmpl_params->param_len < 1) {
		LOG(FATAL) << __func__
		<< ": The length of returned parameters is less than 1";
		return;
		}

		uint8_t* p_event_param_buf = p_vsc_cmpl_params->p_param_buf;
		uint8_t status = 0xff;
		// [Return Parameter] \| [Size] \| [Purpose]
		// Status \| 1 octet \| Command complete status
		// Current_Quality_Event_Mask \| 4 octets \| Indicates current bit mask setting
		STREAM_TO_UINT8(status, p_event_param_buf);
		if (status != HCI_SUCCESS) {
		LOG(FATAL) << __func__
		<< ": Fail to configure BQR. status: " << loghex(status);
		return;
		}

		if (p_vsc_cmpl_params->param_len != 5) {
		LOG(FATAL) << __func__
		<< ": The length of returned parameters is not equal to 5: "
		<< std::to_string(p_vsc_cmpl_params->param_len);
		return;
		}

		uint32_t current_quality_event_mask = kQualityEventMaskAllOff;
		STREAM_TO_UINT32(current_quality_event_mask, p_event_param_buf);

		LOG(INFO) << __func__
		<< ", current event mask: " << loghex(current_quality_event_mask);
		ConfigureBqrCmpl(current_quality_event_mask);
		}

		void ConfigureBqr(const BqrConfiguration& bqr_config) {
		if (bqr_config.report_action > REPORT_ACTION_CLEAR \|\|
		bqr_config.quality_event_mask > kQualityEventMaskAll \|\|
		bqr_config.minimum_report_interval > kMinReportIntervalMaxMs) {
		LOG(FATAL) << __func__ << ": Invalid Parameter"
		<< ", Action: " << bqr_config.report_action
		<< ", Mask: " << loghex(bqr_config.quality_event_mask)
		<< ", Interval: " << bqr_config.minimum_report_interval;
		return;
		}

		LOG(INFO) << __func__ << ": Action: " << bqr_config.report_action
		<< ", Mask: " << loghex(bqr_config.quality_event_mask)
		<< ", Interval: " << bqr_config.minimum_report_interval;

		uint8_t param[sizeof(BqrConfiguration)];
		uint8_t* p_param = param;
		UINT8_TO_STREAM(p_param, bqr_config.report_action);
		UINT32_TO_STREAM(p_param, bqr_config.quality_event_mask);
		UINT16_TO_STREAM(p_param, bqr_config.minimum_report_interval);

		BTM_VendorSpecificCommand(HCI_CONTROLLER_BQR_OPCODE_OCF, p_param - param,
		param, BqrVscCompleteCallback);
		}

		void DebugDump(int fd) {
		dprintf(fd, "\nBT Quality Report Events: \n");

		if (kpBqrEventQueue->Empty()) {
		dprintf(fd, "Event queue is empty.\n");
		return;
		}

		while (!kpBqrEventQueue->Empty()) {
		std::unique_ptr<BqrVseSubEvt> p_event(kpBqrEventQueue->Dequeue());

		bool warning = (p_event->rssi_ < kCriWarnRssi \|\|
		p_event->unused_afh_channel_count_ > kCriWarnUnusedCh);

		std::stringstream ss_timestamp;
		ss_timestamp << std::put_time(&p_event->tm_timestamp_, "%m-%d %H:%M:%S");

		dprintf(fd, "%c %s %s\n", warning ? '*' : ' ', ss_timestamp.str().c_str(),
		p_event->ToString().c_str());
		}

		dprintf(fd, "\n");
		}

		} // namespace bqr
		} // namespace bluetooth

system/btif/src/btif_dm.cc

+3 −1

Original line number	Diff line number	Diff line
		@@ -50,6 +50,7 @@
		#include "bta_gatt_api.h"
		#include "btif_api.h"
		#include "btif_av.h"
		#include "btif_bqr.h"
		#include "btif_config.h"
		#include "btif_dm.h"
		#include "btif_hd.h"
		@@ -1606,7 +1607,7 @@ static void btif_dm_upstreams_evt(uint16_t event, char* p_param) {
		** and bonded_devices_info_cb
		*/
		btif_storage_load_bonded_devices();

		bluetooth::bqr::EnableBtQualityReport(true);
		btif_enable_bluetooth_evt(p_data->enable.status);
		} break;

		@@ -1620,6 +1621,7 @@ static void btif_dm_upstreams_evt(uint16_t event, char* p_param) {
		btif_in_execute_service_request(i, false);
		}
		}
		bluetooth::bqr::EnableBtQualityReport(false);
		btif_disable_bluetooth_evt();
		break;