Re: [oc] I2C core in slave mode

[Soban Shoeb Chawre <sobanc@nital.stpp.soft.net>]

hello richards !

If u can give me some links of docs(I2C) abt it i can start doing it
from tommorrrow.



Richard Herveille wrote:
> 
> It is developed as a master interface. First as a single master only, but with
> multi-master and slave operation in the back of my mind.
> After a couple of changes multi-master mode was only a couple of lines of code
> away, so now it is multi-master capable.
> 
> Slave operation requires some additional logic, among others to detect 'my
> slave address'. Also when in slave mode, it shouldn't be possible to generate
> start and stop conditions. For the rest, operation should be equal.
> 
> Somebody (probably me) should add it sometime, but for now it is not
> slave-mode capable.
> 
> The biggest problem isn't coding the lines, that should be done in, say
> 2-4weeks (full-time), but verifying the entire core again.
> 
> Richard
> 
> > I used the I2C core in a project.  My strong impression was that the
> > core had a couple of small hooks built into it to enable slave
> > operation, but it was not "slave ready".  It would take a lot of work
> > to adapt it for slave operation -- maybe 1 or 2 weeks of full-time
> > attention.
> >
> > Of course, I am not the original designer, so it would be interesting
> > to hear his opinion.
> >
> > Stuart
> >
> > > Is it possible to use the I2C master core in slave mode? I ve read the
> > > documentation but I can not work out how to do it. If not possible, does
> > > anybody know of a I2C slave core?
> > >
> > > Thanks
> > >
> > > Andoni
> 
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