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+BACnet open source protocol stack for embedded systems
+Version 0.0.2
+
+Welcome to the wonderful world of BACnet and true device interoperability!
+
+About this Project
+------------------
+
+This BACnet library provides a BACnet application layer, network layer and
+media access (MAC) layer communications services for an embedded system.
+
+BACnet - A Data Communication Protocol for Building Automation and Control
+Networks - see bacnet.org. BACnet is a standard data communication protocol for
+Building Automation and Control Networks. BACnet is an open protocol, which
+means anyone can contribute to the standard, and anyone may use it. The only
+caveat is that the BACnet standard document itself is copyrighted by ASHRAE,
+and they sell the document to help defray costs of developing and maintaining
+the standard (just like IEEE or ANSI or ISO).
+
+For software developers, the BACnet protocol is a standard way to send and
+receive messages on the wire containing data that is understood by other BACnet
+compliant devices. The BACnet standard defines a standard way to communicate
+over various wires, known as Data Link/Physical Layers: Ethernet, EIA-485,
+EIA-232, ARCNET, and LonTalk. The BACnet standard also defines a standard way
+to communicate using UDP, IP and HTTP (Web Services).
+
+This BACnet protocol stack implementation is specifically designed for the
+embedded BACnet appliance, using a GPL with exception license (like eCos),
+which means that any changes to the core code that are distributed get to come
+back into the core code, but the BACnet library can be linked to proprietary
+code without the proprietary code becoming GPL. Note that some of the source
+files are designed as skeleton or example files, and are not copyrighted.
+
+The text of the GPL exception included in each source file is as follows: 
+
+"As a special exception, if other files instantiate templates or use macros or
+inline functions from this file, or you compile this file and link it with
+other works to produce a work based on this file, this file does not by itself
+cause the resulting work to be covered by the GNU General Public License.
+However the source code for this file must still be made available in
+accordance with section (3) of the GNU General Public License."
+
+The code is written in C for portability, and includes unit tests (PC based
+unit tests). Since the code is designed to be portable, it compiles with GCC as
+well as other compilers, such as Borland C++ or MicroChip C18.
+
+The BACnet protocol is an ASHRAE/ANSI/ISO standard, so this library adheres to
+that standard. BACnet has no royalties or licensing restrictions, and
+registration for a BACnet vendor ID is free.
+
+What the code does
+------------------
+
+The stack comes with unit tests that can be run in a command shell using the
+test.sh script. The unit tests can also be run using individual .mak files.
+They were tested on a Linux PC.
+
+The BACnet stack was functionally tested using VTS (Visual Test Shell), another
+project hosted on SourceForge, as well as various controllers and workstations.
+Using the Makefile in the project root directory, a sample application is
+created that runs under Linux. It uses the BACnet Ethernet physical layer for
+communication. It requires root priveleges to run the 802.2 Ethernet interface.
+
+$ make clean all
+$ sudo ./bacnet
+
+The BACnet stack currently supports the following services marked 
+with an X, and hopefully will support the rest of the services listed 
+in the future.
+                                 Initiate  Execute
+                                 --------  -------
+Who Is                                        X
+I Am                                X
+Read Property                                 X
+Read Property Multiple 
+Write Property
+Write Property Multiple 
+Device Communication Control   
+ReinitializeDevice 
+Time Synchronization 
+UTC Time Synchronization 
+Atomic Read File 
+Atomic Write File 
+Subscribe COV 
+Confirmed COV Notification 
+Unconfirmed COV Notification
+Get Alarm Summary 
+Get Event Information 
+Acknowledge Alarm 
+Confirmed Event Notification 
+Unconfirmed Event Notification 
+Who Has 
+I Have
+
+The BACnet stack currently implements a Device Object, and handles most of the
+Read Property inquiries for the required Device Object properties. The stack
+handles Who-Is inquiries with an I-Am, and handles reject messages for services
+not currently supported.
+
+If you want to help this project, join the developers mailing list at:
+http://lists.sourceforge.net/mailman/listinfo/bacnet-developers
+
+I hope that you get your BACnet Device working!
+
+Steve Karg
+skarg@users.sourceforge.net