HCITOOL(1) Linux System Administration HCITOOL(1)
NAME
hcitool - Configure Bluetooth connections
SYNOPSIS
hcitool -h
hcitool COMMAND --help
hcitool [-i hciX] [COMMAND [PARAMETERS]]
DESCRIPTION
hcitool(1) is used to configure Bluetooth connections and send some
special command to Bluetooth devices. If no command is given, or if the
option -h is used, hcitool prints some usage information and exits.
OPTIONS
-i <hciX>
The command is applied to device hciX, which must be the name of
an installed Bluetooth device. If not specified, the command
will be sent to the first available Bluetooth device.
-h Gives a list of possible commands
COMMANDS
dev Display local devices
inq Inquire remote devices. For each discovered device, Bluetooth
device address, clock offset and class are printed.
scan Inquire remote devices. For each discovered device, device name
are printed.
name <bdaddr>
Print device name of remote device with Bluetooth address
bdaddr.
info <bdaddr>
Print device name, version and supported features of remote de-
vice with Bluetooth address bdaddr.
spinq Start periodic inquiry process. No inquiry results are printed.
epinq Exit periodic inquiry process.
cmd <ogf> <ocf> [parameters]
Submit an arbitrary HCI command to local device. ogf, ocf and
parameters are hexadecimal bytes.
con Display active baseband connections
cc [--role=c|p] [--pkt-type=<ptype>] <bdaddr>
Create baseband connection to remote device with Bluetooth ad-
dress bdaddr.
Option --pkt-type specifies a list of allowed packet types.
<ptype> is a comma-separated list of packet types, where the
possible packet types are DM1, DM3, DM5, DH1, DH3, DH5, HV1,
HV2, HV3. Default is to allow all packet types.
Option --role can have value c (do not allow role switch, stay
central) or p (allow role switch, become peripheral if the peer
asks to become central). Default is c.
dc <bdaddr> [reason]
Delete baseband connection from remote device with Bluetooth ad-
dress bdaddr.
The reason can be one of the Bluetooth HCI error codes. Default
is 19 for user ended connections. The value must be given in
decimal.
sr <bdaddr> <role>
Switch role for the baseband connection from the remote device
to central or peripheral.
cpt <bdaddr> <ptypes>
Change packet types for baseband connection to device with Blue-
tooth address bdaddr. ptypes is a comma-separated list of packet
types, where the possible packet types are DM1, DM3, DM5, DH1,
DH3, DH5, HV1, HV2, HV3.
rssi <bdaddr>
Display received signal strength information for the connection
to the device with Bluetooth address bdaddr.
lq <bdaddr>
Display link quality for the connection to the device with Blue-
tooth address bdaddr.
tpl <bdaddr> [type]
Display transmit power level for the connection to the device
with Bluetooth address bdaddr.
The type can be 0 for the current transmit power level (which is
default) or 1 for the maximum transmit power level.
afh <bdaddr>
Display AFH channel map for the connection to the device with
Bluetooth address bdaddr.
lp <bdaddr> [value]
With no value, displays link policy settings for the connection
to the device with Bluetooth address bdaddr.
If value is given, sets the link policy settings for that con-
nection to value. Possible values are RSWITCH, HOLD, SNIFF and
PARK.
lst <bdaddr> [value]
With no value, displays link supervision timeout for the connec-
tion to the device with Bluetooth address bdaddr.
If value is given, sets the link supervision timeout for that
connection to value slots, or to infinite if value is 0.
auth <bdaddr>
Request authentication for the device with Bluetooth address
bdaddr.
enc <bdaddr> [encrypt]
enable or disable the encryption for the device with Bluetooth
address bdaddr.
key <bdaddr>
Change the connection link key for the device with Bluetooth ad-
dress bdaddr.
clkoff <bdaddr>
Read the clock offset for the device with Bluetooth address
bdaddr.
clock [bdaddr] [clock]
Read the clock for the device with Bluetooth address bdaddr.
The clock can be 0 for the local clock or 1 for the piconet
clock (which is default).
lescan [--privacy] [--passive] [--acceptlist] [--discovery=g|l] [--du-
plicates]
Start LE scan
leinfo [--static] [--random] <bdaddr>
Get LE remote information
lealadd [--random] <bdaddr>
Add device to LE Accept List
lealrm <bdaddr>
Remove device from LE Accept List
lealsz Read size of LE Accept List
lealclr
Clear LE Accept List
lerladd [--local_irk] [--peer_irk] [--random] <bdaddr>
Add device to LE Resolving List
lerlrm <bdaddr>
Remove device from LE Resolving List
lerlclr
Clear LE Resolving List
lerlsz Read size of LE Resolving List
lerlon Enable LE Address Resolution
lerloff
Disable LE Address Resolution
lecc [--static] [--random] <bdaddr> | [--acceptlist]
Create a LE Connection
ledc <handle> [reason]
Disconnect a LE Connection
lecup <handle> <min> <max> <latency> <timeout>
LE Connection Update
RESOURCES
http://www.bluez.org
REPORTING BUGS
linux-bluetooth@vger.kernel.org
AUTHOR
Maxim Krasnyansky <maxk@qualcomm.com>, Marcel Holtmann <marcel@holt-
mann.org>, Fabrizio Gennari <fabrizio.gennari@philips.com>
COPYRIGHT
Free use of this software is granted under ther terms of the GNU Lesser
General Public Licenses (LGPL).
BlueZ Nov 12, 2002 HCITOOL(1)
Generated by dwww version 1.14 on Fri Jan 24 09:38:46 CET 2025.