On Fri, Sep 17, 2021 at 8:34 AM Samuel Sieb <samuel@xxxxxxxx> wrote:
>
> >>> While sliding the stylus horizontally from the left to the right, the
> >>> screen cursor moves accordingly, but the right border of the screen is
> >>> reached when the stylus is in the middle of the drawing tablet. Maybe,
> >>> for some strange reason, my drawing tablet considers there are two
> >>> screens and not a single one. How can we test that?
> >>
> >> The table knows nothing. :-) It has a certain range of values and the
> >> input layer takes that and the display size and should map the values
> >> accordingly. So something is going wrong and that's what I'm hoping to
> >> find out with the hidviz program.
> >
> > Thanks, Samuel. When the stylus is on the middle of my drawing tablet,
> >
> > ABS-X = 30693 (approximately).
>
> What happens as you move further to the right? Try moving slowly across
> the middle.
Thanks, Samuel. Please, see below.
> > When the stylus is on the lower right corner, hidviz padding input shows
> >
> > X = 2 and Y=2.
> >
> > From hiviz, I get yet the following:
> >
> > ----------------------------------
> > Usage Page (Digitizer)
> > Usage (Pen)
> > Collection (Application)
>
> Is this the same section that you see active values in? For my tablet,
> the active values are in this section:
> Usage Page (Generic Desktop)
> Usage (Mouse)
> Collection (Application)
> Report ID (9)
> Usage (Pointer)
> Collection (Physical)
>
> Do you have that section? If so, what does it have in it?
I have the following:
-------------------------------------
Usage Page (Generic Desktop)
Usage (Mouse)
Collection (Application)
Report ID (1)
Usage (Pointer)
Collection (Physical)
Usage Page (Button)
Usage Minimum (Button 1)
Usage Maximum (Button 5)
Logical minimum (0)
Logical maximum (1)
Report count (5)
Report size (1)
Item
Report count (1)
Report size (3)
Item
Usage Page (Generic Desktop)
Usage (X)
Usage (Y)
Logical minimum (-2047)
Logical maximum (2047)
Report size (12)
Report count (2)
Item
Usage (Wheel)
Logical minimum (-127)
Logical maximum (127)
Report size (8)
Report count (1)
Item
Usage Page (Consumer)
Usage (AC Flip Vertical)
Report count (1)
Item
End Collection
End Collection
-------------------------------------
Event: time 1631875096.010113, type 3 (EV_ABS), code 0 (ABS_X), value 32767
Event: time 1631875096.010113, type 3 (EV_ABS), code 1 (ABS_Y), value 22055
Event: time 1631875096.010113, -------------- SYN_REPORT ------------
Event: time 1631875096.110119, type 3 (EV_ABS), code 1 (ABS_Y), value 22037
Event: time 1631875096.110119, -------------- SYN_REPORT ------------
Event: time 1631875096.124127, type 3 (EV_ABS), code 1 (ABS_Y), value 22016
Event: time 1631875096.124127, -------------- SYN_REPORT ------------
Event: time 1631875096.136106, type 3 (EV_ABS), code 1 (ABS_Y), value 21999
Event: time 1631875096.136106, -------------- SYN_REPORT ------------
Event: time 1631875096.150107, type 3 (EV_ABS), code 1 (ABS_Y), value 21977
Event: time 1631875096.150107, -------------- SYN_REPORT ------------
[...]
Event: time 1631875100.124584, -------------- SYN_REPORT ------------
Event: time 1631875100.130573, type 3 (EV_ABS), code 1 (ABS_Y), value 21562
Event: time 1631875100.130573, -------------- SYN_REPORT ------------
Event: time 1631875100.136587, type 3 (EV_ABS), code 1 (ABS_Y), value 21570
Event: time 1631875100.136587, -------------- SYN_REPORT ------------
Event: time 1631875100.194589, type 3 (EV_ABS), code 1 (ABS_Y), value 21587
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