Re: [android-internals] Re: Android on Nokia n810 (OMAP2420)

[Georges Toth <georges.toth@gmail.com>]

Brian Swetland wrote:
> [Georges Toth <georges.toth@gmail.com>]
>   
>> The touchscreen doesn't work yet, but I hope we can figure that out too.
>> -> The driver works, there is output when one does a cat on 
>> /dev/input/event3, but android doesn't recognize it.
>>
>> Some buttons don't work ... wrong mapping.
>> If anybody has an idea how to see what keycodes certain buttons are bound 
>> to and how to edit the mapping in android that would be great :-).
>>     
>
> Here's a brute force approach to sorting out input events: run getevent
> on the emulator and on the target hardware and compare the results.  It's
> in /system/bin.
>
> I believe the touchpad issue has to do with sending events that the
> system recognizes as "pen down" and "pen up" events.  Haven't looked at
> this in a while.
>   
Thanks for the tip, I'll have a look at that.

> Keylayouts live in /system/usr/keylayout/*.kl and are used to translate
> from the raw input event codes to android keycodes.
>
> Keymaps live in /system/user/keychars/*.kcm.bin (undocumented binary
> format right now, sorry) and are used to describe how the key events
> and modifiers and such are related.
>   
I would need to add/change the event code for the DPAD_CENTER event.
Do you perhaps know of a simple way of seeing what code a certain button 
generates ?


-- 
regards,

Georges Toth