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PSP Buttons Appear to be Pressure Sensitive - SDK Support?

 
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Dr. Vegetable



Joined: 14 Nov 2005
Posts: 171
Location: Boston, Massachusetts
PostPosted: Thu Dec 15, 2005 9:00 am    Post subject: PSP Buttons Appear to be Pressure Sensitive - SDK Support? Reply with quote
Just examining the PCB that holds the button pad, I notice that these appear to be pressure-sensitive; ie: the harder you press the button, the lower the resistance across the contacts.

I've heard that some PS2 games use this kind of functionality. Has anyone explored how to get the analog reading on the PSP? Could this be what the second parameter to sceCtrlReadBufferPositive() is used for?
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groepaz



Joined: 01 Sep 2005
Posts: 305
PostPosted: Fri Dec 16, 2005 2:47 am    Post subject: Reply with quote
why dont you try it? :=P
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Dr. Vegetable



Joined: 14 Nov 2005
Posts: 171
Location: Boston, Massachusetts
PostPosted: Fri Dec 16, 2005 3:00 am    Post subject: Reply with quote
I think I will. I am new to this stuff, though, so I'll probably have to ask a bunch of questions about how, exactly to figure this out. Trial and error? I haven't seen any PSP games that use this feature, so I assume that disassembly is not going to tell me anything. Any tips on how to go about this?

I've also been meaning to figure out how to get audio input, which we all know the PSP is capable of, but which the SDK does not yet seem to support.
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seventoes



Joined: 02 Oct 2005
Posts: 79
PostPosted: Thu Dec 29, 2005 12:17 pm    Post subject: Reply with quote
Just push the buttons, i dont think they are pressure sensative.
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Dr. Vegetable



Joined: 14 Nov 2005
Posts: 171
Location: Boston, Massachusetts
PostPosted: Thu Dec 29, 2005 10:47 pm    Post subject: Reply with quote
OK, then, I guess that settles it.
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seventoes



Joined: 02 Oct 2005
Posts: 79
PostPosted: Fri Dec 30, 2005 3:35 am    Post subject: Reply with quote
:P i guess so
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