Re: [DIGImend-devel] Genius EasyPen M610 questions

[Nikolai K. <sp...@gm...>]

Sorry, forgot to include DIGImend-devel.

Lana, please "Reply to all" this message and send me whatever message you
get from the maillist server, if it gets rejected.

Thanks!

Sincerely,
Nick

On 07/19/2012 12:44 AM, Nikolai Kondrashov wrote:
> Hi Lana,
>
> On Wed, Jul 18, 2012 at 9:10 AM, Lana Druzetich
> <lan...@gm...>  wrote:
>> Hello. I did another pen coordinates dump, and, strangely, my tablet stopped
>> responding afterwards.
>
> First of all, thanks for the dumps! What part of the system stopped
> responding to the tablet input? Do you get anything from dumping?
>
>> Since the last time we spoke, I switched to 64 bit Windows 7, and 64 bit
>> Ubuntu, and one of the problems I had before is gone now (the tablet is
>> always recognized as a tablet, never as a mouse), except when I unplug it
>> live, and then plug it back in (I have to restart my PC to get it working
>> again, but now restarting fixes it every time). The tablet is, however, is
>> still heavily miscalibrated at first, and I have to enter some unusual
>> values to get the whole surface area working (40000 0 42000 20000). I'm
>> pretty sure I damaged the tablet's firmware, back when I used Ubuntu 10, and
>> wizardpen, since Windows (XP, 7 x86, and 7 x64) wouldn't recognize it since
>> then, that is, they do recognize it, but as a USB composite device, not by
>> it's id (PW1700U). Another gem is the fact that when i install drivers from
>> Windows update, the tablet works, but I get the same miscalibration I get in
>> Ubuntu at start, and I can not fix it in Windows. For comparison purposes,
>> when I plugged in a similar tablet (WP5540U, I never used this one on
>> Ubuntu, if that means anything) it was instantly recognized in both Windows
>> (by it's name, and as a single USB device) and Ubuntu (hotplugging worked
>> just fine), and it required no calibration in either system.
>>
>> I hope this clears things up a bit.
>
> Thanks for the description! I've implemented WP5540U driver quite a long
> time ago and it is a very simple and straight-forward device, although, as
> usual, not standard compliant.
>
> I doubt that you damaged the firmware, there is usually no way to do that.
> However, it could have been quirky to start with.
>
> I think this mouse/tablet flipping is due to switching of the tablet modes.
> I have a suspicion that the firmware designers used some strange way of
> triggering it and it is getting switched accidentally by some sequence of
> events on the USB bus.
>
> Now, if we won't find this sequence, there is a high possibility we can work
> around this random switching in the kernel driver.
>
> The modes differ slightly by the report IDs and format. I have full report
> format for the default mode sent by you previously, and pen coordinates for
> the proprietary mode. Can you please do pen buttons and frame buttons dump
> for the proprietary mode?
>
> You can see which mode your tablet is in by starting a dump and seeing which
> report ID is used to report pen movement. If the first byte of each report
> is 09 - it is the default mode, if it is 07 - it is the proprietary mode.
>
> This is an example of default mode reports:
>
> 002:002:000:STREAM             1341769148.182056
>   09 80 F0 57 E6 A4 00 00
>
> 002:002:000:STREAM             1341769148.186029
>   09 80 F0 57 E6 A4 00 00
>
> 002:002:000:STREAM             1341769148.190024
>   09 80 F0 57 E6 A4 00 00
>
> These are proprietary mode reports:
>
> 002:003:000:STREAM             1342590809.450792
>   07 C0 7E A0 22 77 00 00
>
> 002:003:000:STREAM             1342590809.462649
>   07 C0 2F A0 22 77 00 00
>
> 002:003:000:STREAM             1342590809.470647
>   07 C0 D0 9F 22 77 00 00
>
> I need pen buttons and frame buttons dumps for the second (proprietary)
> mode. However, if it refuses to switch to it again, I can do a good guess as
> to how it would work and do without the dump.
>
> Thank you!
>
> Sincerely,
> Nick
>
> P.S. Could you please "Reply to all" this message and send me whatever error
> message you get back from the maillist server, if it gets rejected?