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SubjectRe: [PATCH] HID: add multi-input quirk for NextWindow Touchscreen.
On 04/12/09 23:40, Peter Korsgaard wrote:
>>>>>> "Peter" == Peter Hutterer<peter.hutterer@redhat.com> writes:
> Peter> with the quirk, the device exposes three /dev/input/event files, the
> Peter> highest of which sends the actual events now (in X/Y). number two
> Peter> looks like a mouse device (like yours), number three like a
> Peter> touchscreen (BTN_TOUCH, etc.)
> Peter> without the quirk, I only get two devices, the second of which looks
> Peter> like a mix of mouse/touchscreen and it sends ABS_Z/ABS_RX while ABS_X
> Peter> and ABS_Y are mute. I can get you the full evtest blurb but not before
> Peter> Monday, the screen is in the office.
>
> Ahh ok, strange that I'm not seing the same as you. The reason why
> there's two devices by default is that the NW pretends to be a keyboard
> with numlock/scrolllock/caplock so it can go into calibration mode if
> you press the button a number of times (by default 6).

evtest output for the mouse device on kernel 2.6.31.6-150.fc12.x86_64,
I'll spare you the keyboard device, it's not particularly interesting.

Input driver version is 1.0.0
Input device ID: bus 0x3 vendor 0x1926 product 0x3 version 0x100
Input device name: "NextWindow Touchscreen"
Supported events:
Event type 0 (Sync)
Event type 1 (Key)
Event code 272 (LeftBtn)
Event code 273 (RightBtn)
Event code 274 (MiddleBtn)
Event code 320 (ToolPen)
Event code 330 (Touch)
Event type 2 (Relative)
Event code 8 (Wheel)
Event type 3 (Absolute)
Event code 0 (X)
Value 16384
Min 0
Max 32767
Event code 1 (Y)
Value 16384
Min 0
Max 32767
Event code 2 (Z)
Value 15078
Min 0
Max 32767
Event code 3 (Rx)
Value 20008
Min 0
Max 32767
Event type 4 (Misc)
Event code 4 (ScanCode)
Testing ... (interrupt to exit)
Event: time 1260143900.146760, type 1 (Key), code 320 (ToolPen), value 1
Event: time 1260143900.146775, type 3 (Absolute), code 2 (Z), value 14953
Event: time 1260143900.146777, type 3 (Absolute), code 3 (Rx), value 19456
Event: time 1260143900.146780, -------------- Report Sync ------------
Event: time 1260143900.150722, type 4 (Misc), code 4 (ScanCode), value d0042
Event: time 1260143900.150729, type 1 (Key), code 330 (Touch), value 1
Event: time 1260143900.150733, -------------- Report Sync ------------
Event: time 1260143900.166736, type 3 (Absolute), code 2 (Z), value 14931
Event: time 1260143900.166750, type 3 (Absolute), code 3 (Rx), value 19440
Event: time 1260143900.166753, -------------- Report Sync ------------
Event: time 1260143900.186736, type 3 (Absolute), code 2 (Z), value 14904
Event: time 1260143900.186749, type 3 (Absolute), code 3 (Rx), value 19394
Event: time 1260143900.186751, -------------- Report Sync ------------
Event: time 1260143900.202737, type 3 (Absolute), code 2 (Z), value 14844
Event: time 1260143900.202751, type 3 (Absolute), code 3 (Rx), value 19223
Event: time 1260143900.202754, -------------- Report Sync ------------
Event: time 1260143900.222737, type 4 (Misc), code 4 (ScanCode), value d0042
Event: time 1260143900.222748, type 1 (Key), code 330 (Touch), value 0
Event: time 1260143900.222753, -------------- Report Sync ------------
Event: time 1260143900.226723, type 1 (Key), code 320 (ToolPen), value 0


> Peter> where do I get nwtool from? google is unusually quiet about it.
>
> I guess I need more google-foo ;) It's a tool I wrote:
>
> http://git.korsgaard.com/cgi-bin/gitweb.cgi?p=nwtool.git;a=summary
>
> You can git clone from http://git.korsgaard.com/git/nwtool.git
>
> Nextwindow unfortunately never documented the really interesting
> commands (like how to make settings persistent), so it cannot do
> everything the Windows tool can.
>
> Peter> is it possible that you changed the report mode (or have it different
> Peter> to me anyway) and that affects things?
>
> Not that I'm aware - I just plugged the device in seconds before running
> evtest.

[root@touchie sbin]# ./nwtool -u -i
Version: 2.99
Serial: 617241
Model: 1901
HW capabilities: 0x40
Rightclick delay: 1000 ms
Doubleclick time: 200 ms
Report mode: 4
Drag threshold: 500
Buzzer time: 40 ms
Buzzer tone: 40
Calibration key: 4
Calibration presses: 3

looks like we do have a different reporting mode. Setting mode to 1 with
nwtool yields the same information that you provided in your last email.
After booting into Vista and resetting the screen to factory defaults,
the reporting mode is still 4.

> FYI, now that we're talking about NW touchscreens - How is multiscreen
> setups with evdev supposed to work? We need something to bind a
> touchscreen to an Xrandr output to translate (and with 1.3+ reverse
> transform) the coordinates. In the old days you could use evtouch with
> seperate X screens and bind the touchscreens to each screen.
>
> It's probably offtopic here, but we can move the discussion to the X
> list if you prefer - Last time I asked there I didn't get any reply
> though:
>
> http://article.gmane.org/gmane.comp.freedesktop.xorg/40071/

Ask louder :) I think I remember your email but it got flooded out of my
inbox. In general there should be some method to do that though I need
to check the implementation.

Cheers,
Peter




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