CEBus
CEBUs
CEBus is concerned with
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home audio-visual (like HAVi)
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lighting systems
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in general: switches, sensors, motors, analogue/digital controllers,
meters, memory, clocks
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CEBus has a potentially wider range of devices than HAVi
CEBus transport
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Consumer Electronic Bus is for device communication over
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power cables
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coaxial cable
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twisted pair
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infrared
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fiber-optic (eventually)
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CEBus power line sends 100-400kHZ bursts lasting 1 microsecond
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Data rate is max 10kbps
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Packet size is variable, 64 bits minimum
CALS
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CEBus uses an O/O language called CALS
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Can only find public info about CALS dating from 1996
CEBus devices
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A CEBus device has functional components called contexts
e.g. a TV has contexts audio amplifier, tuner, etc
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Contexts contain objects such as source switch, gain control, etc
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Objects have methods and instance variables
Jan Newmarch (http://jan.newmarch.name)
jan@newmarch.name
Last modified: Sun Apr 13 12:05:41 EST 2003
Copyright ©Jan Newmarch
Copyright © Jan Newmarch, Monash University, 2007
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