[ECOS] Re: Uploading and saving images
Tue Nov 9 16:48:00 GMT 2004
note: this is not an eCos development issue - it belongs on the
eCos discussion list.
On Tue, 2004-11-09 at 08:23, Wayne Gemmell wrote:
> Hi all,
> I hope you guys can shed some light on this problem for me.
> When I try upload files through Minicom using X or Y Modem
> protocols I get lots of NAK errors and then
> Ymodem sectors/kbytes sent: 249/31kRetry 0: NAK on sector
> Ymodem sectors/kbytes sent: 253/31kRetry 0: NAK on sector
> Ymodem sectors/kbytes sent: 254/31kRetry 0: Cancelled
> Transfer incomplete
> RedBoot> load -m y
> *** Warning! Checksum failure - Addr: 207990, FF <> 46
> xyzModem - CRC mode, 253(SOH)/0(STX)/2(CAN) packets, 123 retries
> I get the same results from xmodem.
> My transfer protocol settings are
> B ymodem /usr/bin/sb -vv Y U N Y Y
> C xmodem /usr/bin/sx -vv Y U N Y N
> I can however load up the program in hyperterminal in Windows. I've been
> messing around for a while now with no luck.
What speed is the connection?
Can you download smaller files?
Are you sure that your timing is setup up properly? The RedBoot load
command should issue a 'C' about every 3-5 seconds if you don't send
Gary Thomas <firstname.lastname@example.org>
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