public inbox for ecos-devel@sourceware.org
 help / color / mirror / Atom feed
* at91sam9x35
@ 2013-03-19 14:29 Grant Edwards
  0 siblings, 0 replies; only message in thread
From: Grant Edwards @ 2013-03-19 14:29 UTC (permalink / raw)
  To: ecos-devel

On 2013-03-18, andrea_91 <andrea.falco1991@gmail.com> wrote:
                                                            
> i'm doing eCos porting on board Atmel: at91sam9x35. Well, now i did
> the memory mapping on plf_io.h file and then i created all other file
> for dbg port. If i try to debug to see if the dbg port works, on the
> putty terminal i see something similar to
> "G!??V@??t??T????????????????????f??f??n??f??Q??", but i'd wanted to
> write "Hello world\n". I know that this is a possible error of baud
> rate but the baud rate on putty and on ecos are correct(115200).

Any time the received string and expected string differ that much in
length, it pretty much has to be baud rate.

Have you actually verified that eCos board's baud rate is correct?  By
'verify', I mean hook up an oscilloscope or logic analyzer to the eCos
board's TxD line and measure the baud rate.

--
Grant Edwards

^ permalink raw reply	[flat|nested] only message in thread

only message in thread, other threads:[~2013-03-19 14:29 UTC | newest]

Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2013-03-19 14:29 at91sam9x35 Grant Edwards

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).