A port of Dallas Semiconductors 3.00 beta API for accessing 1-wire LAN
devices.  Only DS2480 serial port adapters are supported by this port.

More doc & src at: ftp://ftp.dalsemi.com/pub/auto_id/softdev/softdev.html
and http://www.ibutton.com/

WWW: http://www.ibutton.com/software/1wire/wirekit.html