[PD] HID double triggers

[James Dunn]

Quoth Hans-Christoph Steiner, on 22/04/2012 01:32:
>
> On Apr 21, 2012, at 10:22 AM, James Dunn wrote:
>
>> Quoth IOhannes m zmoelnig, on 21/04/2012 14:23:
>>> -----BEGIN PGP SIGNED MESSAGE-----
>>> Hash: SHA1
>>>
>>> On 2012-04-18 20:27, Andrew Faraday wrote:
>>>> I've had this problem before with [hid], apparently it's a hardware
>>>> issue called 'debouncing', which is often ignored because it is often
>>>> irrelevant (pushed is pushed, for game controllers, rather than a
>>>> button-on/button-off signal used for most music systems).
>>>>
>>>> You can deal with the problem in pure data by using a trigger, float and
>>>> delay of one millisecond. See the attached patch, click the message
>>>> boxes and watch your terminal for the result.
>>> [change] seems to be the more appropriate solution here...
>>>
>>> fgmasdr
>>> IOhannes
>>
>> Thanks for the suggestion. The problem I have with these two 
>> solutions is that they only work when the double triggers are in 
>> sequence. Sometime they arrive like this:
>>
>> [hid] 0.7, written by Hans-Christoph Steiner <hans at eds.org> 
>> <mailto:hans at eds.org>
>>     compiled on Apr 15 2012 at 08:12:47
>> [hid] opened device 4 (/dev/input/event4): AT Translated Set 2 keyboard
>> print: key key_j 1
>> print: key key_l 1
>> print: key key_j 1
>> print: key key_l 1
>> print: key key_j 0
>> print: key key_j 0
>> print: key key_l 0
>> print: key key_l 0
>>
>> So I would need to store the value of each key individually and check 
>> each one with [change].
>> Instead of this long-winded method, I've downloaded [linuxevent] 
>> which is working nicely so I think I'll stick with this even though 
>> it may be deprecated?
>>
>> Surely this is a bug with [hid] though?
>
> Could be.  If you think so, please file a bug report.  I am happy to 
> help anyone work thru this bug. I haven't used [hid] in a good long 
> while tho, so I'm not up on the code or the issues, nor am I likely to 
> have time to look at it.
>
> .hc
>
> ----------------------------------------------------------------------------
>
> I hate it when they say, "He gave his life for his country." 
>  Nobody gives their life for anything.  We steal the lives of these 
> kids.  -Admiral Gene LeRocque
>
Ok I filed a bug report here:

https://sourceforge.net/tracker/?func=detail&aid=3522957&group_id=55736&atid=478070 
<https://sourceforge.net/tracker/?func=detail&aid=3522957&group_id=55736&atid=478070>
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