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???
06/28/06 04:06
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#119225 - Not really...
Responding to: ???'s previous message
Arvind said:
Can we use the below subroutine for checking whether the key is

realeased or not ...

Not really, because reading P1 will only give you information about actual state of port line, but not, whether this is a result of a stable switch state or bouncing. You must use a debouncing scheme to reliably detect key release.

Please have a look at my code again to see that the key release isn't needed to be detected with this debouncing scheme!

Kai

List of 27 messages in thread
TopicAuthorDate
Multiple switch debouncing            01/01/70 00:00      
   Otherways            01/01/70 00:00      
   Vertical counters            01/01/70 00:00      
      vertical conters in C            01/01/70 00:00      
      and here            01/01/70 00:00      
   vertical counter with press detection            01/01/70 00:00      
   debounce and denoise needed            01/01/70 00:00      
      You are right of course, but...            01/01/70 00:00      
      Reminds me... (off topic)            01/01/70 00:00      
   XRL P2,A            01/01/70 00:00      
      some hair-splitting            01/01/70 00:00      
         exchange            01/01/70 00:00      
   thanx Kai ...            01/01/70 00:00      
      my way            01/01/70 00:00      
         exactly!            01/01/70 00:00      
            Spot on.            01/01/70 00:00      
            Two samples enough?            01/01/70 00:00      
               varies with design            01/01/70 00:00      
      Conditional executing versus branching            01/01/70 00:00      
   KEY RELEASE SUBROUTINE ...            01/01/70 00:00      
      Not really...            01/01/70 00:00      
      a TOTAL misconception or -very annoying            01/01/70 00:00      
         He does not            01/01/70 00:00      
   Beer o'clock            01/01/70 00:00      
      Yes, good idea            01/01/70 00:00      
      never did, never will            01/01/70 00:00      
         Agree            01/01/70 00:00      

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