On Sat, Jun 30, 2012 at 12:06 PM, Thiago Naves <
[hidden email]> wrote:
>
>
> On Sat, Jun 30, 2012 at 5:27 AM, Bogdan Marinescu
> <
[hidden email]> wrote:
>>
>> On Sat, Jun 30, 2012 at 10:23 AM, Thiago Naves <
[hidden email]>
>> wrote:
>> >
>> >
>> > On Sat, Jun 30, 2012 at 3:31 AM, Bogdan Marinescu
>> > <
[hidden email]> wrote:
>> >>
>> >> Hi Thiago,
>> >>
>> >> On Sat, Jun 30, 2012 at 6:32 AM, Thiago Naves <
[hidden email]>
>> >> wrote:
>> >> > We had that same issue @led-lab and after looking at the code I could
>> >> > see
>> >> > it's indeed an int16 overflow. The fix did not seem to be easy. There
>> >> > are
>> >> > various chucks of code doing bit manipulation with that file size.
>> >> > Changing
>> >> > the variable type to int32 does nothing.
>> >> > We don't have a fix, btw.
>> >>
>> >> Do you remember where you spotted this problem in the code?
>> >
>> >
>> > inc/romfs.h:
>> > u16 size in the struct
>> >
>> > src/romfs.c:
>> > all over the place, search for fsize
>> >
>> > mkfs.py:
>> > around line 114
>>
>> You are talking about the 64k file size limitation in ROMFS (something
>> that was fixed a while ago, BTW). The original thread is about a
>> XMODEM transfer limitation. I fail to see the connection.
>>
>
> Sorry for the noise, totally misread it.
No problem. I actually thought I was missing something :)
>
> But xmodem was working for us with a file of about 67k I think.
> That was on the str9 platform with external ram.
> I was not the one actually using it, but I can check with the guys at the
> lab.
>
> Getting different stop points in transfer leads me to think it might be a
> ram issue...
I tend to believe that too ... Currently, XMODEM reads everything in a
buffer and saves the buffer on disk at the end.
Pito, does your board have more than 64k of free memory when you do 'recv' ?
Thanks,
Bogdan
>
> Best,
> Thiago
>
>
>>
>> Best,
>> Bogdan
>>
>> >
>> >>
>> >>
>> >> Best,
>> >> Bogdan
>> >>
>> >> >
>> >> > Best,
>> >> > Thiago
>> >> >
>> >> > On Jun 29, 2012 4:09 PM, "pito" <
[hidden email]> wrote:
>> >> >>
>> >> >> I had 74880 limit as well, where I succesively changed the file size
>> >> >> and ie 74675 was transfered ok. Waht is interesting is when you
>> >> >> rebuild, reset, restart everything you may get another number. I've
>> >> >> tried other files to transfer (ie binaries) but it stops at the
>> >> >> same point. So not sure whether volume around ~65536 is the u16
>> >> >> overflow indication
>> >> >>
>> >> >> ----- PŮVODNÍ ZPRÁVA -----
>> >> >> Od: "Bogdan Marinescu" <
[hidden email]>
>> >> >> Komu: "eLua Users and Development List (www.eluaproject.net)"
>> >> >> <
[hidden email]>
>> >> >> Předmět: Re: [eLua-dev] Xmodem transfer - issue
>> >> >> Datum: 29.6.2012 - 19:46:12
>> >> >>
>> >> >> > On Fri, Jun 29, 2012 at 8:37 PM, pito
>> >> >> > <
[hidden email]> wrote:
>> >> >> > > Hi, this has been discussed in past but let me
>> >> >> > > ask again:
>> >> >> > > > When transfering ie text file (recv
>> >> >> > > /mmc/test.txt), the transfer
>> >> >> > > > stops always at certain point ie: 65664bytes,
>> >> >> > > packet#513. I tried
>> >> >> > >
>> >> >> > The first thing that comes to mind immediately
>> >> >> > after this is an
>> >> >> > overflow on an u16 variable. Please open a bug on
>> >> >> > our tracker..
>> >> >> >
>> >> >> > Best,
>> >> >> > Bogdan
>> >> >> >
>> >> >> > > with BT as well as rs232. I tackled the
>> >> >> > > xmodemtimeout in xmodem.h,
>> >> >> > > > with large values the transfer does not start,
>> >> >> > > but I did not found a
>> >> >> > > > magic value where it works over 60-70kbytes
>> >> >> > > transferred. You may get
>> >> >> > > > other point where it stops. I did it at 115k
>> >> >> > > 8n1, with teraterm,
>> >> >> > > > stm32f4discovery board, bike-nomad distro,
>> >> >> > > codesourcery toolchain.
>> >> >> > > > Is there somebody who is able to transfer larger
>> >> >> > > files
>> >> >> > > > successfully??
>> >> >> > > p.
>> >> >> > >
>> >> >> > > --
>> >> >> > > - - Reklama - - - - - - - - - - - - - -
>> >> >> > > Maturity, přijímací zkoušky, státnice,
>> >> >> > > diplomky... Vše o závěru
>> >> >> > > > studia na středních a vysokých školách čtěte na
>> >> >> > > portálu VOLNÝ.cz na
>> >> >> > > >
http://bit.ly/LfImCR>> >> >> > >
>> >> >> > > _______________________________________________
>> >> >> > > eLua-dev mailing list
>> >> >> > >
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>> >> >> > >
https://lists.berlios.de/mailman/listinfo/elua-dev>> >> >> > > _______________________________________________
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>> >> >>
>> >> >> --
>> >> >> - - Reklama - - - - - - - - - - - - - -
>> >> >> Maturity, přijímací zkoušky, státnice, diplomky... Vše o závěru
>> >> >> studia na středních a vysokých školách čtěte na portálu VOLNÝ.cz na
>> >> >>
http://bit.ly/LfImCR>> >> >>
>> >> >> _______________________________________________
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>> >> >>
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>> >
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