hciattach Man page

HCIATTACH(1) Linux System Administration HCIATTACH(1)


hciattach – attach serial devices via UART HCI to BlueZ stack


hciattach [-b] [-n] [-p] [-t timeout] [-s speed] [-l] [-r] tty type|id
speed flow bdaddr


Hciattach is used to attach a serial UART to the Bluetooth stack as HCI
transport interface.


-b Send break.

-n Don’t detach from controlling terminal.

-p Print the PID when detaching.

-t timeout
Specify an initialization timeout. (Default is 5 seconds.)

-s speed
Specify an initial speed instead of the hardware default.

-l List all available configurations.

-r Set the HCI device into raw mode (the kernel and bluetoothd will
ignore it).

tty This specifies the serial device to attach. A leading /dev can
be omitted. Examples: /dev/ttyS1 ttyS2

The type or id of the Bluetooth device that is to be attached,
i.e. vendor or other device specific identifier. Currently sup‐
ported types are

type description

any Unspecified HCI_UART interface, no vendor specific

Ericsson based modules

digi Digianswer based cards

xircom Xircom PCMCIA cards: Credit Card Adapter and Real Port

csr CSR Casira serial adapter or BrainBoxes serial dongle

bboxes BrainBoxes PCMCIA card (BL620)

swave Silicon Wave kits

bcsp Serial adapters using CSR chips with BCSP serial protocol

ath3k Atheros AR300x based serial Bluetooth device

intel Intel Bluetooth device

Supported IDs are (manufacturer id, product id)

0x0105, 0x080a
Xircom PCMCIA cards: Credit Card Adapter and Real Port

0x0160, 0x0002
BrainBoxes PCMCIA card (BL620)

speed The speed specifies the UART speed to use. Baudrates higher than
115.200bps require vendor specific initializations that are not
implemented for all types of devices. In general the following
speeds are supported:

9600, 19200, 38400, 57600, 115200, 230400, 460800, 921600

Supported vendor devices are automatically initialised to their
respective best settings.

flow If the keyword flow is appended to the list of options then
hardware flow control is forced on the serial link ( CRTSCTS ).
All above mentioned device types have flow set by default. To
force no flow control use noflow instead.

sleep Enables hardware specific power management feature. If sleep is
appended to the list of options then this feature is enabled. To
disable this feature use nosleep instead. All above mentioned
device types have nosleep set by default.

Note: This option will only be valid for hardware which support
hardware specific power management enable option from host.

bdaddr The bdaddr specifies the Bluetooth Address to use. Some devices
(like the STLC2500) do not store the Bluetooth address in hard‐
ware memory. Instead it must be uploaded during the initializa‐
tion process. If this argument is specified, then the address
will be used to initialize the device. Otherwise, a default
address will be used.

Written by Maxim Krasnyansky

Manual page by Nils Faerber

BlueZ Jan 22 2002 HCIATTACH(1)

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