On Tuesday 10 April 2007 01:45, Richard Bolkey wrote:
> First off, I've never made a patch before, which I guess I better learn, 
> but for now if anyone wants to add the device_type for the Logitech 
> Force 3D Pro Joystick to hid-lgff.c, it's { 0x046d, 0xc286, ff_joystick }.
>

That would be Jiri Kosina (CCed).
 
> Now for a few follow up questions (this is a whole lot of new stuff, so 
> bear with me).
> 
> 1) I'm gathering that Logitech keeps their hid reports secret and 
> non-standard, or else I'd just be using the HID PID driver?  So, were 
> the values in the reports found in hid_lgff_play discovered through 
> trial and error?  How would I find what the report for FF_SPRING should 
> look like?
> 
> 2) Previous question assumes that is where I should implement the effect 
> since ml->play_effect is referencing that function in ff_memless.c.  But 
> it sounded like Anssi was recommending doing a spring->constant 
> conversion akin to what looks like a periodic->rumble conversion in 
> ml_combine_effects?
> 
> Thanks,
> Rick
> 

-- 
Dmitry

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