Linux cli command hcitool

➡ A Linux man page (short for manual page) is a form of software documentation found on Linux and Unix-like operating systems. This man-page explains the command hcitool and provides detailed information about the command hcitool, system calls, library functions, and other aspects of the system, including usage, options, and examples of _. You can access this man page by typing man followed by the hcitool.

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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 device 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 address 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 address 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 Bluetooth 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 Bluetooth 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 connection to value. Possible values are RSWITCH, HOLD, SNIFF and PARK.

lst <bdaddr> [value]
With no value, displays link supervision timeout for the connection 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 address 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] [–duplicates]
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

[email protected]

AUTHOR

Maxim Krasnyansky <[email protected]>, Marcel Holtmann <[email protected]>, Fabrizio Gennari <[email protected]>

COPYRIGHT

Free use of this software is granted under ther terms of the GNU Lesser General Public Licenses (LGPL).

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