XPL [SEP] based on
XPL
XPL is a programming language based on PL/I, a portable one-pass compiler written in its own language, and a parser generator tool for easily implementing similar compilers for other languages. XPL was designed in 1967 as a way to teach compiler design principles and as starting point for students to build compilers for their own languages.
XPL was designed and implemented by William M. McKeeman and David B. Wortman at University of California, Santa Cruz and James J. Horning and others at Stanford University. XPL was first
scripts to perform a wide variety of tasks.
Configuration is done either through a Windows-based Manager or via a browser.
xPL HAL also includes an xPL Configuration Manager.
On Linux or Mac OS, xpl-central monitors all xPL messages
and can trigger other messages based on a set of rules stored in an XML file.
Transmission media.
The xPL protocol can operate over a variety of transmission media, including Ethernet, RS232 and RS485.
Transmission media Ethernet.
All xPL devices broadcast