OK, sort of a CSMA system.

I assume that this scheme also requires ACKing of the messages in order for the transmitter to know
that the message has actually arrived at its intended receiver.

Ruben

> Ok, ok! You found me out! It isn't really a "collision detection" technique as
> much as it is a "collision avoidance" technique... The unit that is about to
> talk tests the collision input to see if there is any traffic currently on the
> bus. If not, it waits a small about of time and tests again. The actual amount
> of testing required if up to the user. When a sufficent number of tests indicate
> that there is n traffic then the unit begins talking. This method has worked
> well in systems that had 128 units on one bus; should work for many more.
>
> Douglas Wood
> Software Engineer
> dbwood@kc.rr.com
>
> Home of the EPICIS Development System for the PIC and SX
> http://epicis.piclist.com
>
==============================
Ruben Jvnsson
AB Liros Electronic
Box 9124, 200 39 Malmv, Sweden
TEL INT +46 40142078
FAX INT +46 40947388
ruben@pp.sbbs.se
==============================

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