* [ECOS] load on redboot
@ 2004-05-05 12:45 sabine moulayes
2004-05-05 12:54 ` Gary Thomas
0 siblings, 1 reply; 2+ messages in thread
From: sabine moulayes @ 2004-05-05 12:45 UTC (permalink / raw)
To: ecos-discuss
hello,
I have a little problem with redboot, I would like to use it with the
minicom, so I open a minicom on the port ttyS0, where my F35 is plug.
it's ok, I power on the F35, and I have the redboot interface.
Now I would like to load a programme : tracker.S3
so I type load (enter) then ctrl a - s, I choose ymodem, then I choose the
programm file, but when the download begin, I have just :
Sending: tracker.S3
Ymodem sectors/kbytes sent: 3/ 0kRetry 0: NAK on sector
Ymodem sectors/kbytes sent: 5/ 0kRetry 0: NAK on sector
Ymodem sectors/kbytes sent: 7/ 0kRetry 0: NAK on sector
Ymodem sectors/kbytes sent: 9/ 1 .....
and so on, I must stop this because I always have NAK on sector....
Do you know where is the problem please?????
thanks
Moulayes Sabine
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^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [ECOS] load on redboot
2004-05-05 12:45 [ECOS] load on redboot sabine moulayes
@ 2004-05-05 12:54 ` Gary Thomas
0 siblings, 0 replies; 2+ messages in thread
From: Gary Thomas @ 2004-05-05 12:54 UTC (permalink / raw)
To: sabine moulayes; +Cc: ecos-discuss
On Wed, 2004-05-05 at 06:45, sabine moulayes wrote:
> hello,
>
> I have a little problem with redboot, I would like to use it with the
> minicom, so I open a minicom on the port ttyS0, where my F35 is plug.
> it's ok, I power on the F35, and I have the redboot interface.
> Now I would like to load a programme : tracker.S3
> so I type load (enter) then ctrl a - s, I choose ymodem, then I choose the
> programm file, but when the download begin, I have just :
>
> Sending: tracker.S3
> Ymodem sectors/kbytes sent: 3/ 0kRetry 0: NAK on sector
> Ymodem sectors/kbytes sent: 5/ 0kRetry 0: NAK on sector
> Ymodem sectors/kbytes sent: 7/ 0kRetry 0: NAK on sector
> Ymodem sectors/kbytes sent: 9/ 1 .....
>
> and so on, I must stop this because I always have NAK on sector....
> Do you know where is the problem please?????
There doesn't seem to be a problem here - RedBoot and minicom are
communicating - data is being downloaded, albeit with retries.
Eventually, the data will get downloaded. If there were other
problems, then RedBoot would stop accepting data and the "kbytes sent"
value would not be increasing.
My guess is that your target is rather slow and can't keep up
with Y-modem at the baud rate you are running. Try X-modem which
will use smaller blocks by default.
--
Gary Thomas <gary@mlbassoc.com>
MLB Associates
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2004-05-05 12:45 [ECOS] load on redboot sabine moulayes
2004-05-05 12:54 ` Gary Thomas
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