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Re: Uploading and saving images
- From: Gary Thomas <gary at chez-thomas dot org>
- To: wayneg at ananzi dot co dot za
- Cc: eCos Discussion <ecos-discuss at ecos dot sourceware dot org>
- Date: Tue, 09 Nov 2004 07:31:19 -0700
- Subject: [ECOS] Re: Uploading and saving images
- References: <200411091723.25247.wayneg@ananzi.co.za>
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
> RedBoot>
>
> 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 target/platform?
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
anything.
--
Gary Thomas <gary@chez-thomas.org>
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