(Fwd) Re: DOSFS bug fixes, IDE drivers and sample released

[Angelo Fraietta]

Angelo Fraietta wrote:

> I have implemented this into my app, hwoever, when I try to examine 
> the file, I get zero bytes.
> I did the following
>
>     fd = open(nvram_file,O_WRONLY | O_CREAT | O_TRUNC,S_IREAD|S_IWRITE);
>     if (fd <0)
>         {
>             printf ("Unable to open %s\r\n", nvram_file);
>         }
>     else
>         {
>             unsigned i;
>             for (i = 0; i < 255; i++)
>                 {
>                     char c = (char) i;
>                     int bytes = write(fd, &c, 1);
>                     printf ("Wrote %u bytes \r\n", bytes);
>                 }
>             close(fd);
>             printf ("Close file\r\n");

ignore this next line as this was an attempt to see if re-initialising 
would help

>
>             fileio_part_table_initialize ();           
>         }
>
> I got the correct output to my display, however, the file written is 
> zero bytes. Any idea as to what I am doing wrong?
>
> Thomas Doerfler wrote:
>
>>Hello,
>>
>>>I got the program working and it worked fine with my flash disk.
>>>
>>>I did, however, have to type my filenames in UPPER CASE. I don't know 
>>>whether this is something peculiar with the DIMMPC flash IDE or not.
>>>
>>
>>I am glad things are working for you now. The upper case 
>>matter is a bit strange. Per definition, DOS filenames are 
>>case insensitive. They are stored in upercase in the dorectory 
>>but I am sure I open my files with a lowercase filename given 
>>and the functions definitively find the right file and open 
>>and read/write it. 
>>
>>Could this be a problem on the MAC side?
>>
>>I don't know, if the patches will make it into the next 
>>release, we had a discussion with Joel about it. I think they 
>>will not break anything that was working without the 
>>patches...
>>
>>wkr,
>>	Thomas.
>>
>>
>>>I also modified so I wrote a binary stream from 0x00 to 0xFF and tested 
>>>that it was uncorrupted. That worked fine too.
>>>
>>>So effectively, this is working fine for me.
>>>
>>>Do you know whether this will be included in the next snapshot?
>>>
>>>
>>>
>>>Thomas Doerfler wrote:
>>>
>>>>Hello,
>>>>
>>>>no it has nothing to do with ada, it is a web-
>>>>based bug tracking system. Just try it out, 
>>>>login/password is guest/guest...
>>>>
>>>>wkr,
>>>>	Thomas.
>>>>
>>>>
>>>>>Is the gnats system only ada? I am using C/C++, so will I be able to use 
>>>>>these?
>>>>>
>>>>>Thomas Doerfler wrote:
>>>>>
>>>>>>Hello Angelo,
>>>>>>
>>>>>>the "sample" program is located in the patch filed in the gnat 
>>>>>>system as PR369. So if you go to 
>>>>>>
>>>>>>http://www.oarcorp.com/cgi-bin/gnatsweb.pl
>>>>>>
>>>>>>and inspect PR369 and download/apply the patch and then look 
>>>>>>into c/src/tests/samples/fileio, you will see the sample 
>>>>>>application.
>>>>>>
>>>>>>BTW, you will also need PR368 and PR367 to get everything 
>>>>>>running (these PRs contain modifications for the DOSFS code 
>>>>>>and added drivers for PC386 and MBX8xx).
>>>>>>
>>>>>>wkr,
>>>>>>	Thomas.
>>>>>>
>>>>>-- 
>>>>>Angelo Fraietta
>>>>>
>>>>>PO Box 859
>>>>>Hamilton NSW 2303
>>>>>
>>>>>Home Page
>>>>>
>>>>>
>>>>>http://www.users.bigpond.com/angelo_f/
>>>>>
>>>>>There are those who seek knowledge for the sake of knowledge - that is CURIOSITY
>>>>>There are those who seek knowledge to be known by others - that is VANITY
>>>>>There are those who seek knowledge in order to serve - that is LOVE
>>>>>   Bernard of Clairvaux (1090 - 1153)
>>>>>
>>>>>
>>>>>
>>>>--------------------------------------------
>>>>IMD Ingenieurbuero fuer Microcomputertechnik
>>>>Thomas Doerfler           Herbststrasse 8
>>>>D-82178 Puchheim          Germany
>>>>email:    Thomas.Doerfler at imd-systems.de
>>>>PGP public key available at: http://www.imd-
>>>>systems.de/pgp_keys.htm
>>>>
>>>>
>>>-- 
>>>Angelo Fraietta
>>>
>>>PO Box 859
>>>Hamilton NSW 2303
>>>
>>>Home Page
>>>
>>>
>>>http://www.users.bigpond.com/angelo_f/
>>>
>>>There are those who seek knowledge for the sake of knowledge - that is CURIOSITY
>>>There are those who seek knowledge to be known by others - that is VANITY
>>>There are those who seek knowledge in order to serve - that is LOVE
>>>    Bernard of Clairvaux (1090 - 1153)
>>>
>>>
>>>
>>
>>--------------------------------------------
>>IMD Ingenieurbuero fuer Microcomputertechnik
>>Thomas Doerfler           Herbststrasse 8
>>D-82178 Puchheim          Germany
>>email:    Thomas.Doerfler at imd-systems.de
>>PGP public key available at: http://www.imd-
>>systems.de/pgp_keys.htm
>>
>>
>
>-- 
>Angelo Fraietta
>
>PO Box 859
>Hamilton NSW 2303
>
>Home Page
>
>
>http://www.users.bigpond.com/angelo_f/
>
>There are those who seek knowledge for the sake of knowledge - that is CURIOSITY
>There are those who seek knowledge to be known by others - that is VANITY
>There are those who seek knowledge in order to serve - that is LOVE
>    Bernard of Clairvaux (1090 - 1153)
>
>

-- 
Angelo Fraietta

PO Box 859
Hamilton NSW 2303

Home Page


http://www.users.bigpond.com/angelo_f/

There are those who seek knowledge for the sake of knowledge - that is CURIOSITY
There are those who seek knowledge to be known by others - that is VANITY
There are those who seek knowledge in order to serve - that is LOVE
    Bernard of Clairvaux (1090 - 1153)


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