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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


-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 supported types are

type description

any Unspecified HCI_UART interface, no vendor specific options

Ericsson based modules

digi Digianswer based cards

xircom Xircom PCMCIA cards: Credit Card Adapter and Real Port Adapter

csr CSR Casira serial adapter or BrainBoxes serial dongle (BL642)

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 Adapter

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

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 hardware memory. Instead it must
be uploaded during the initialization 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 <[email protected]>

Manual page by Nils Faerber <[email protected]>

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