[time-nuts] Form factor

Poul-Henning Kamp phk at phk.freebsd.dk
Wed Dec 22 22:41:21 UTC 2010


In message <AANLkTikLKD2Z15kwbPEwXTFGFf=wqWsiNv+To7OuPf61 at mail.gmail.com>, 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
phk at FreeBSD.ORG         | 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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