Quoting Herbert Graf <hkgraf@gmail.com>:

> Do you have an extra IO pin? Have an extra pin between N and M. Use it
> to communicate between N and M who wants to access S? Something like "if
> the busy line is high, wait until it's low"? Sort of like multi-master,
> but you can code-reuse the existing I2C bit bang routines without
> modification.
>
> TTYL
>

I have one free on S, but not on M, and won't on N unfortunately.

Cheers,
-Neil.


--=20
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist
.