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Adhoc wifi

 
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uberjack



Joined: 17 Jul 2007
Posts: 34
Location: California, USA
PostPosted: Sat Jan 12, 2008 7:27 am    Post subject: Adhoc wifi Reply with quote
Hi everyone,

I've been trying to get adhoc wifi to work on the PSP in user-mode, but haven't been successful.

A lot of the examples I find use PspPet's loadutil library to load and patch drivers in kernel mode, but it seems to me like the latest version of pspsdk no longer requires this (please correct me if I'm wrong), since the libraries and header declarations are already part of the SDK.

I wrote a simple program to simply initialize, then terminate an adhoc connection - the entire program runs in user mode - but I'm getting an error from sceNetInit, which is the first network-related function I call.

My question is, does an application need to be run in kernel mode for ad-hoc to work with the current version of the SDK? Can anyone provide a possible reason why my call to sceNetInit fails (and yes, I checked the wifi switch :))

Here's my PSP_MODULE_INFO declaration:

PSP_MODULE_INFO(PSP_APP_NAME, 0, 1, 1);
PSP_MAIN_THREAD_ATTR(0);

Any help is appreciated.

Thanks
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Insert_witty_name



Joined: 10 May 2006
Posts: 376
PostPosted: Sat Jan 12, 2008 7:47 am    Post subject: Reply with quote
Hi uberjack.

Adhoc in usermode is possible.

I commited a decent sized update to the adhoc stuff in the SDK last night, so check that out.

To load the required net and adhoc modules, simply call the functions from psputility_netmodules.h.

Code:
sceUtilityLoadNetModule(PSP_NET_MODULE_COMMON);

sceUtilityLoadNetModule(PSP_NET_MODULE_ADHOC);


Your app is still running in kernel mode, change the following line:

Code:
PSP_MAIN_THREAD_ATTR(0);


To:

Code:
PSP_MAIN_THREAD_ATTR(PSP_THREAD_ATTR_USER);


The sceUtilityLoadNetModule function only works on firmware 2.0+.

I'll be commiting some more adhoc stuff in the near future as well as some samples.

Hope this helps.
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uberjack



Joined: 17 Jul 2007
Posts: 34
Location: California, USA
PostPosted: Sat Jan 12, 2008 7:58 am    Post subject: Reply with quote
Hi Insert_witty_name,

Thanks very much for the speedy reply. One of my units is actually at 1.50. Does this mean that I need to run in kernel mode for compatibility with both versions (and do things the old-fashioned way)?

Quote:
Your app is still running in kernel mode, change the following line:


Thanks, will do
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Insert_witty_name



Joined: 10 May 2006
Posts: 376
PostPosted: Sat Jan 12, 2008 10:16 am    Post subject: Reply with quote
To load the requires modules on 1.5 you'll have to use kernel mode and the old-fashioned way, yes.
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zilt



Joined: 21 Feb 2006
Posts: 45
Location: Ontario, Canada
PostPosted: Sat Jan 12, 2008 12:15 pm    Post subject: Reply with quote
Here's a bit of code i use to load the network modules depending on firmware version:
Code:

   // setup the net environment
   int ret;
#ifdef PSPFW3X
   printf("[main]: initing PSP 3.x network... \n");
   if( (ret = sceUtilityLoadNetModule(1)) ) /* common */
   {
      printf( "[main]: Unable to load 3.x net common modules: %x\n", ret );
   }
   if( (ret = sceUtilityLoadNetModule(3)) ) /* inet */
   {
      printf( "[main]: Unable to load 3.x net inet modules: %x\n", ret );
   }
#else
   printf("[main]: initing PSP 1.5 network... \n");
   if( (ret = pspSdkLoadInetModules()) )
   {
      printf( "[main]: Unable to load inet modules: %x\n", ret );
   }
#endif

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J.F.



Joined: 22 Feb 2004
Posts: 2906
PostPosted: Sat Jan 12, 2008 1:25 pm    Post subject: Reply with quote
I really think people need to just let 1.5 go. It was nice for it's time, but 3.xx is here to stay. There's no reason to tie people down... let the PSP shine, and 3.xx is the way to do that.
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uberjack



Joined: 17 Jul 2007
Posts: 34
Location: California, USA
PostPosted: Sat Jan 12, 2008 7:51 pm    Post subject: Reply with quote
While I don't disagree with you, J.F., I prefer to keep my older PSP at the earlier firmware for sentimental reasons :)

Plus, higher compatibility is always better, no?

Thanks again guys
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J.F.



Joined: 22 Feb 2004
Posts: 2906
PostPosted: Sun Jan 13, 2008 3:49 am    Post subject: Reply with quote
uberjack wrote:
While I don't disagree with you, J.F., I prefer to keep my older PSP at the earlier firmware for sentimental reasons :)

Plus, higher compatibility is always better, no?

Thanks again guys


But 1.5 won't be higher compatibility for much longer. As more slims come out, and as 3.71+ M33 gets more prevalent on phats, 3.xx homebrew becomes more predominant. Having to add the 1.5 addon to 3.71 M33 on a phat wastes precious flash space.
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