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Forum Index : Microcontroller and PC projects : Sticky keys

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jirsoft

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Joined: 18/09/2020
Location: Czech Republic
Posts: 533
Posted: 11:36pm 04 Dec 2020
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Hi,
I'm not sure, if it was in every FW until now (I think yes), but sometimes are some keys "sticky" = I'm not pressing any key and also didn't do it before, so keyboard buffer should be empty, but key is repeated forever. I can reproduce it in Napoleon Commander with ENTER key on longer directory, where after pressing ENTER program reads names and sizes from SD, but then is like ENTER were still pressed. It works this way (for me) for example in Gaunlet/SOUND/NARRATOR. It helps when I press for example cursor down (but it have to be in right moment).

I'm not able to solve it in my program, it doesn't matter what for OPTION CRLF is set, also different values of KEYBOARD REPEAT make no change. I have wireless USB keyboard from Logitech.

Has anybody such experience and found solution?
Jiri
Napoleon Commander and SimplEd for CMM2 (GitHub),  CMM2.fun
 
vegipete

Guru

Joined: 29/01/2013
Location: Canada
Posts: 1132
Posted: 01:03am 05 Dec 2020
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Yes, from time to time I get phantom auto-repeating keys. Why? I haven't figured out why yet, nor what conditions contribute. I need to determine if it only happens when connected via USB-B to Teraterm or whether it happens with a mains adapter too.
Visit Vegipete's *Mite Library for cool programs.
 
toml_12953
Guru

Joined: 13/02/2015
Location: United States
Posts: 442
Posted: 01:28am 05 Dec 2020
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  vegipete said  Yes, from time to time I get phantom auto-repeating keys. Why? I haven't figured out why yet, nor what conditions contribute. I need to determine if it only happens when connected via USB-B to Teraterm or whether it happens with a mains adapter too.


It's happened to me with a USB (US) keyboard.
 
yock1960
Senior Member

Joined: 18/08/2020
Location: United States
Posts: 167
Posted: 02:05am 05 Dec 2020
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  toml_12953 said  
  vegipete said  Yes, from time to time I get phantom auto-repeating keys. Why? I haven't figured out why yet, nor what conditions contribute. I need to determine if it only happens when connected via USB-B to Teraterm or whether it happens with a mains adapter too.


It's happened to me with a USB (US) keyboard.


Ditto...usually cursor down for me.
 
jirsoft

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Joined: 18/09/2020
Location: Czech Republic
Posts: 533
Posted: 11:37am 05 Dec 2020
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I have it also in EDITOR, but there I'm already prepared and after more destructive action like copy/move part of program (I have to few times to delete 10 more copies done by sticky keys) or delete few lines (sometimes delete try to delete firsts line not to be deleted, but at least char by char), I'm already prepared and after action press cursor down or up.

But in EDITOR is bad (sometimes very bad), but it can be somehow improved by nonstandard key pressing, in program is driving me crazy...
Jiri
Napoleon Commander and SimplEd for CMM2 (GitHub),  CMM2.fun
 
jirsoft

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Joined: 18/09/2020
Location: Czech Republic
Posts: 533
Posted: 06:44pm 05 Dec 2020
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Looks like Peter solved the issue in last RC1, many thanks!!!
Jiri
Napoleon Commander and SimplEd for CMM2 (GitHub),  CMM2.fun
 
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