Part I: Fundamentals

Part 1 comprises the following:

• Chapter 1 introduces the ZigBee Cluster Library (ZCL)

• Chapter 2 describes some essential concepts for the ZCL, including read/write access to cluster attributes and the associated read/write functions

• Chapter 3 describes the event handling framework of the ZCL, including the supplied event handling function

• Chapter 4 describes the error handling provision of the ZCL, including the supplied error handling function