In message <[email protected]>, Chri
s Albertson writes:

>Can "CAN" do this? 

CANbus is mostly intented for hostile environments, and for anything
"in-box" less can do.

The problem with I2C is that it is not well suited for systems with
more than one master on the bus.  It can be done, but it's messy.

MODBUS is also an option.

Be aware that most of these types of protocols are strictly 
command-reponse, there is no provision for 'interrupts' or
other asynchronous events.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
[email protected]         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.

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