sceIoOpen failed to read my file...

[jiuhu]

hi,

I try to call the function sceIoOpen to read my file, but it fail.
I checked the return id, and it is a huge negative value.

may I know when I run and test my prx, where should I place my file together?

Currently, I am placing the prx and the file together under same dir. And sure, the path is defined correctly in my code. Example code,
buff_id = sceIoOpen("sound.mid",SCE_O_RDONLY,0);

And I am develop with a PSP Development kit.

Thank you.

Regards,
JiuHu

[anmabagima]

Hi,

have you tried fopen from stdio.h ?

Regards,
AnMaBaGiMa

[jiuhu]

Thanks for the suggestion, I just tried it, but same results...
Do I need to further specify the sound file that I want to use for my PRX?

Thank you.

Regards,
JiuHu

[roby65]

Thanks for the suggestion, I just tried it, but same results...
Do I need to further specify the sound file that I want to use for my PRX?

Thank you.

Regards,
JiuHu

Post code, it whould work :)

[jiuhu]

SceUID buff_id;
if ((buff_id = sceIoOpen(filename, SCE_O_RDONLY,0)) < 0){
printf("Problems here...");
return -1;
}

it seems like the application couldn't find my sound file...

Here is how my dir structure....I have a working dir named PSPSound
and I have my compiled output (prx...) in PSPSound/PSP_DebugOpt,
Am I going to place my file under the same dir with the prx?

Thank you.

Regards,
JiuHu

[roby65]

SceUID buff_id;
if ((buff_id = sceIoOpen(filename, SCE_O_RDONLY,0)) < 0){
printf("Problems here...");
return -1;
}

it seems like the application couldn't find my sound file...

Here is how my dir structure....I have a working dir named PSPSound
and I have my compiled output (prx...) in PSPSound/PSP_DebugOpt,
Am I going to place my file under the same dir with the prx?

Thank you.

Regards,
JiuHu

Uh?
Prx or eboot?
AFAIK it looks for the file in the same dir of eboot

[Raiden]

Code: Select all

 if(!(fd = sceIoOpen("device:/path/to/file", O_RDONLY, 0777)) {
        // error
 }

http://psp.jim.sh/pspsdk-doc/group__Fil ... 6859f69ec8

[anmabagima]

If you are running a prx using your debugger with SAPLINK the file should be in the root directory of the local (hard disk) drive mounted with usbhost. I've currently only used fopen and it works fine for me. If you run the eboot from PSP the file need to be in the same folder as your eboot on the PSP.

[jimparis]

What's the error return value? We can't guess it, you'll have to tell us.

[Davee]

Code: Select all

 if(!(fd = sceIoOpen("device:/path/to/file", O_RDONLY, 0777)) {
        // error
 }

http://psp.jim.sh/pspsdk-doc/group__Fil ... 6859f69ec8

That's wrong in so many ways...

error is < 0 and there is no "O_RDONLY" defined in the PSP SDK.

[jiuhu]

What's the error return value? We can't guess it, you'll have to tell us.

is a huge negative number, -2147418110.

Btw, do I need to specify any working directory for all my resources files?
Like specify a UMD dir for the sound files...

Do I need to specify the value for "device:" ?

Thank you.

Regards,
JiuHu

[Jim]

Well that number is 80010002 in hex (use Windows calculator in Programmer mode to work it out), you can search for that with psp to find out your problem.

Jim

[jiuhu]

Thanks guys...
I get my sound file loaded, after specifying the host0 for my path...
"host0:sound.mid"