# Copyright 2020 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
#
# This file is installed in /etc and copied to /var before being used by
# bluetoothd to allow run-time edit of DeviceID. Refer start_bluetoothd.sh for
# details.

[General]

# Default adapter name
# Defaults to 'BlueZ X.YZ'
#Name = BlueZ

# Default device class. Only the major and minor device class bits are
# considered. Defaults to '0x000000'.
#Class = 0x000100

# How long to stay in discoverable mode before going back to non-discoverable
# The value is in seconds. Default is 180, i.e. 3 minutes.
# 0 = disable timer, i.e. stay discoverable forever
#DiscoverableTimeout = 0

# Always allow pairing even if there are no agent registered
# Possible values: true, false
# Default: false
#AlwaysPairable = false

# How long to stay in pairable mode before going back to non-discoverable
# The value is in seconds. Default is 0.
# 0 = disable timer, i.e. stay pairable forever
#PairableTimeout = 0

# Use vendor id source (assigner), vendor, product and version information for
# DID profile support. The values are separated by ":" and assigner, VID, PID
# and version.
# Possible vendor id source values: bluetooth, usb (defaults to usb)
#
# For Chrome OS, the Device ID is <Google>/<chromeOS>/<versionNumber>
# BlueZ startup script replaces 0000 part with the Chrome OS version number.
DeviceID = bluetooth:00e0:c405:0000

# Do reverse service discovery for previously unknown devices that connect to
# us. For BR/EDR this option is really only needed for qualification since the
# BITE tester doesn't like us doing reverse SDP for some test cases, for LE
# this disables the GATT client functionally so it can be used in system which
# can only operate as peripheral.
# Defaults to 'true'.
#ReverseServiceDiscovery = true

# Enable name resolving after inquiry. Set it to 'false' if you don't need
# remote devices name and want shorter discovery cycle. Defaults to 'true'.
#NameResolving = true

# Enable runtime persistency of debug link keys. Default is false which
# makes debug link keys valid only for the duration of the connection
# that they were created for.
#DebugKeys = false

# Restricts all controllers to the specified transport. Default value
# is "dual", i.e. both BR/EDR and LE enabled (when supported by the HW).
# Possible values: "dual", "bredr", "le"
#ControllerMode = dual

# Maximum number of controllers allowed to be exposed to the system.
# Default=0 (unlimited)
MaxControllers=1

# Enables Multi Profile Specification support. This allows to specify if
# system supports only Multiple Profiles Single Device (MPSD) configuration
# or both Multiple Profiles Single Device (MPSD) and Multiple Profiles Multiple
# Devices (MPMD) configurations.
# Possible values: "off", "single", "multiple"
#MultiProfile = off

# Permanently enables the Fast Connectable setting for adapters that
# support it. When enabled other devices can connect faster to us,
# however the tradeoff is increased power consumptions. This feature
# will fully work only on kernel version 4.1 and newer. Defaults to
# 'false'.
#FastConnectable = false

# Default privacy setting.
# Enables use of private address.
# Possible values: "off", "device", "network"
# "network" option not supported currently
# Defaults to "off"
# Privacy = off

# Specify the policy to the JUST-WORKS repairing initiated by peer
# Possible values: "never", "confirm", "always"
# Defaults to "never"
#JustWorksRepairing = never

# How long to keep temporary devices around
# The value is in seconds. Default is 30.
# 0 = disable timer, i.e. never keep temporary devices
#TemporaryTimeout = 30

# Enables the device to issue an SDP request to update known services when
# profile is connected. Defaults to true.
#RefreshDiscovery = true

# Enables experimental features and interfaces, alternatively a list of UUIDs
# can be given.
# Possible values: true,false,<UUID List>
# Possible UUIDS:
# d4992530-b9ec-469f-ab01-6c481c47da1c (BlueZ Experimental Debug)
# 671b10b5-42c0-4696-9227-eb28d1b049d6 (BlueZ Experimental Simultaneous Central and Peripheral)
# 15c0a148-c273-11ea-b3de-0242ac130004 (BlueZ Experimental LL privacy)
# 330859bc-7506-492d-9370-9a6f0614037f (BlueZ Experimental Bluetooth Quality Report)
# a6695ace-ee7f-4fb9-881a-5fac66c629af (BlueZ Experimental Offload Codecs)
# Defaults to false.
# Experimental = d4992530-b9ec-469f-ab01-6c481c47da1c,671b10b5-42c0-4696-9227-eb28d1b049d6,330859bc-7506-492d-9370-9a6f0614037f

# Disallows quality report.
# This is a workaround of b/231741170 and should be removed.
# Defaults to false.
#DisallowBQR = true

[BR]
# The following values are used to load default adapter parameters for BR/EDR.
# BlueZ loads the values into the kernel before the adapter is powered if the
# kernel supports the MGMT_LOAD_DEFAULT_PARAMETERS command. If a value isn't
# provided, the kernel will be initialized to it's default value.  The actual
# value will vary based on the kernel version and thus aren't provided here.
# The Bluetooth Core Specification should be consulted for the meaning and valid
# domain of each of these values.

# BR/EDR Page scan activity configuration
PageScanType=1
PageScanInterval=1024
PageScanWindow=18

# BR/EDR Inquiry scan activity configuration
#InquiryScanType=
#InquiryScanInterval=
#InquiryScanWindow=

# BR/EDR Link supervision timeout
#LinkSupervisionTimeout=

# BR/EDR Page Timeout
#PageTimeout=

# BR/EDR Sniff Intervals
#MinSniffInterval=
#MaxSniffInterval=

# EIR Max Name. This is the maximum length for the COMPLETE_NAME EIR section.
# If the name length exceeds this size, a SHORT_NAME section is used.
# Default: 48
EirMaxNameLength = 180

[LE]
# The following values are used to load default adapter parameters for LE.
# BlueZ loads the values into the kernel before the adapter is powered if the
# kernel supports the MGMT_LOAD_DEFAULT_PARAMETERS command. If a value isn't
# provided, the kernel will be initialized to it's default value.  The actual
# value will vary based on the kernel version and thus aren't provided here.
# The Bluetooth Core Specification should be consulted for the meaning and valid
# domain of each of these values.

# LE advertisement interval (used for legacy advertisement interface only)
MinAdvertisementInterval=290
MaxAdvertisementInterval=290
#MultiAdvertisementRotationInterval=

# LE scanning parameters used for passive scanning supporting auto connect
# scenarios
# 37.5ms (5 * 7.5ms) / 367.5ms (49 * 7.5ms) = 10% duty cycle.
ScanIntervalAutoConnect=588
ScanWindowAutoConnect=60

# LE scanning parameters used for passive scanning supporting wake from suspend
# scenarios
#ScanIntervalSuspend=
#ScanWindowSuspend=

# LE scanning parameters used for active scanning supporting discovery
# proceedure
ScanIntervalDiscovery=36
ScanWindowDiscovery=18

# LE scanning parameters used for passive scanning supporting the advertisement
# monitor Apis
ScanIntervalAdvMonitor=40
ScanWindowAdvMonitor=20

# LE scanning parameters used for connection establishment.
#ScanIntervalConnect=
#ScanWindowConnect=

# LE default connection parameters.  These values are superceeded by any
# specific values provided via the Load Connection Parameters interface
MinConnectionInterval=6
MaxConnectionInterval=16
#ConnectionLatency=
ConnectionSupervisionTimeout=200
Autoconnecttimeout=5000

# Scan duration during interleaving scan. Only used when scanning for ADV
# monitors. The units are msec.
# Default: 300
#AdvMonAllowlistScanDuration=
# Default: 500
#AdvMonNoFilterScanDuration=

# Enable/Disable Advertisement Monitor interleave scan for power saving.
# 0: disable
# 1: enable
# Defaults to 0
EnableAdvMonInterleaveScan=1

[GATT]
# GATT attribute cache.
# Possible values:
# always: Always cache attributes even for devices not paired, this is
# recommended as it is best for interoperability, with more consistent
# reconnection times and enables proper tracking of notifications for all
# devices.
# yes: Only cache attributes of paired devices.
# no: Never cache attributes
# Default: always
Cache = yes

# Minimum required Encryption Key Size for accessing secured characteristics.
# Possible values: 0 and 7-16. 0 means don't care.
# Defaults to 0
#KeySize = 0

# Exchange MTU size.
# Possible values: 23-517
# Defaults to 517
#ExchangeMTU = 517

# Number of ATT channels
# Possible values: 1-5 (1 disables EATT)
# Default to 3
#Channels = 3

[Policy]
#
# The ReconnectUUIDs defines the set of remote services that should try
# to be reconnected to in case of a link loss (link supervision
# timeout). The policy plugin should contain a sane set of values by
# default, but this list can be overridden here. By setting the list to
# empty the reconnection feature gets disabled.
#ReconnectUUIDs=00001112-0000-1000-8000-00805f9b34fb,0000111f-0000-1000-8000-00805f9b34fb,0000110a-0000-1000-8000-00805f9b34fb

# ReconnectAttempts define the number of attempts to reconnect after a link
# lost. Setting the value to 0 disables reconnecting feature.
ReconnectAttempts=3

# ReconnectIntervals define the set of intervals in seconds to use in between
# attempts.
# If the number of attempts defined in ReconnectAttempts is bigger than the
# set of intervals the last interval is repeated until the last attempt.
ReconnectIntervals=5,10,20

# AutoEnable defines option to enable all controllers when they are found.
# This includes adapters present on start as well as adapters that are plugged
# in later on. Defaults to 'false'.
#AutoEnable=false

[AdvMon]
# Default RSSI Sampling Period. This is used when a client registers an
# advertisement monitor and leaves the RSSISamplingPeriod unset.
# Possible values:
# 0x00       Report all advertisements
# N = 0xXX   Report advertisements every N x 100 msec (range: 0x01 to 0xFE)
# 0xFF       Report only one advertisement per device during monitoring period
# Default: 0xFF
RSSISamplingPeriod=0xFF