Both scenarios work well on another host. On my host serial port when
interacting with one bootloader the communication is fine and with
barebox fails. When using a USB-serial adapter there's no problem.
Perhaps there's a problem on my board but why does the first connection
work and with barebox doesn't ?
On 08/07/2015 12:41 PM, Antony Pavlov wrote:
On Fri, 07 Aug 2015 10:41:12 -0400
Roberto Alejandro Espi Munoz <raespi@xxxxxxx> wrote:
Hi ... I'm currently having some trouble with displaying characters
correctly in my terminal. I'm using a board equivalent to the
mini2440. This one has a NOR and a NAND. I connect to it over a serial
port interface. When I boot up the board in debug mode I'm able to see
clearly the messages displayed by the S3C2440A USB Downloader which is
copied in the NOR interface, I then download my barebox binary over the
USB interface and when it boots I get a lot of weird characters on
screen. The console seems to respond correctly, I issue for example the
"reset" command and it resets but I can't make out what is displayed.
I was guessing at first a serial port configuration problem on my
operating system (I use Linux), tried it over on Windows and same
effect, the first bootloader works great and barebox when starting just
mangles the characters.
The other weird problem is than when I use a USB-Serial converter to
connect to the board's serial port everything works !
I'm currently using barebox 2012.09 and OpenSuse Linux 13.2
Any ideas ? thanks
You have the problem if you use your host computer motherboard serial port (no matter, Linux or Windows),
isn't it?
And no problem if you use USB-Serial dongle. So it looks like host serial port problem.
Could you try to connect the board to another host computer?
--
Best regards,
Antony Pavlov
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