Thank's very much Imre !
Laci



On Thu, 16 Aug 2001, dr. Imre Bartfai wrote:

> Hi,
>  it is enough to clear the OERR (and maybe the FERR) bit. If all other
> fails, turn reception off by clearing CREN, set the new baud rate, and
> turn it on again. Be aware to empty the FIFO!
>
> I hope this helps.
> Regards,
> Imre
>
>
>
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> On Tue, 14 Aug 2001, Vasile Surducan wrote:
>
> > On Mon, 13 Aug 2001, Olin Lathrop wrote:
> >
> > > >   Olin, if you remember, a while ago I've asked the same question. My
> > > > purpose was an autobaud asynchronous routine. This sort of routines have
> > > > usual a calibration character. Well, I've done it without this, but I need
> > > > a reset. I'm still search for good  software reset. Else I can't switch
> > > > from 115200 bauds to one step backward ( measured in standard baud rate ).
> > > > This could be a good reason, or do you have another method ?
> > >
> > > You don't need to reset the processor to change the baud rate, just change
> > > the SPBRG register and possibly the BRGH bit in TXSTA.
> > >
> >   Its's not enough. Will work only first time after a reset. I've tested.
> > Next time when will come a character with other baud rate, the receiver
> > it's still stick on the old baudrate and a frame error will occur. Before
> > setting a new value for SPBRG and BRGH, a reset must be produced and new
> > values could be written in those register.
> >
> > Vasile
> >
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> >
> >
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