> The I2C resources on the piclist.com site and in the archives and on
google
> don't seem to include PC I2C slave software...
>
> ...which would seem to be very useful for testing PIC I2C masters...
>
> ...am I just missing it?

What hardware would you have the PC use for IIC?  "Standard" PCs don't come
with IIC ports.  IIC requires two open collector drivers.  I vaguely
remember that some of the parallel port control lines are open collector,
but am not sure.  Even if so, you would need to write a custom kernel mode
device driver to mess with the parallel port in a non-standard way.  It
would be easier to hook a PIC to a serial port or parallel port and have it
do IIC for the PC.

Besides, IIC is not well suited for distance like RS-232 is.  I think of IIC
as being an "on board" bus.


********************************************************************
Olin Lathrop, embedded systems consultant in Littleton Massachusetts
(978) 742-9014, olin@embedinc.com, http://www.embedinc.com

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