Re: [DIGImend-users] Huion H610PRO generates multiple clicks

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

Hi Ulrich,

Please keep the maillist in the CC. Thank you.

On 02/28/2015 06:29 PM, Ulrich Lauther wrote:
> On Sat, Feb 28, 2015 at 03:11:41PM +0200, Nikolai Kondrashov wrote:
>> Hi Ulrich,
>>
>> On 02/27/2015 10:41 PM, Ulrich Lauther wrote:
>>> I bought a Huion H610PRO graphics tablet and installed the driver
>> >from github.com/DIGImend/digimend-kernel-drivers under ubunto 12.4
>>> kernel 3.13.0-46-generic
>>>
>>> When I press the pen's tip (lightly) on the tablet, it generates a
>>> series of left button clicks very fast.
>>>
>>> I don't know if this is a hardware or a software problem.
>>
>> This is likely to be a hardware problem. One easy way to test that would be
>> trying on a Windows machine. Otherwise you can use usbhid-dump to see if the
>> tablet actually sends these clicks. Start usbhid-dump like this:
>>
>>      sudo usbhid-dump -es -m 256c:006e
>>
>> and watch the least significant bit of the second byte when you touch the
>> surface - it should be 1 when the tip is touching.
>
> The tablet starts to generate events when the pen is approching the tablet.
> These events have 0x80 as second byte.
> When I touch the surface, I get 0x81, but many times.
>
> I attach the output of usbhid-dump -es -m 256c:006e.

Thank you. The fact that it repeats 0x81 is fine. It would have been
problematic if it interleaved these with 0x80.

Let's check if Maren is right, i.e. if the driver is not loaded.
Please send the output of "dmesg" after you plug in your tablet.

Although, strangely, it seems the tablet is switched into the fully-functional
mode, which is done by the driver.

Nick