The
bcsp driver provides a
tty(4) line discipline to send and receive BlueCore Serial Protocol packets over a serial line, as described in the “BlueCore Serial Protocol (BCSP)” specification.
Moreover, the
bcsp supports BCSP Link Establishment Protocol, as described in the “BCSP Link Establishment Protocol” specification.
The
btattach(8) program is used to configure the tty line and create the
bcsp driver instance.