| BCSP(4) | Device Drivers Manual | BCSP(4) | 
bcsp —
pseudo-device bcsp
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.
bcsp device appeared in NetBSD
  5.0.
bcsp does not support configuration for baud rate yet.
| August 23, 2009 | NetBSD 10.0 |