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pfw:clavis [2025-06-15 08:38] – [Background information] mkapfw:clavis [2025-06-15 08:43] (aktuell) – [Background information] topic of bouncing added mka
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 {{:pfw:dauer_kurzer_tastendruck_2025-06-14_18-53-38.png?400|Keystroke registered with the logic analyzer}} {{:pfw:dauer_kurzer_tastendruck_2025-06-14_18-53-38.png?400|Keystroke registered with the logic analyzer}}
  
-As you can see in the image, the key //bounces// briefly at the beginning until a stable LOW state is reached. In the second image, the bounce phase has been enlarged. After about 1ms, the bouncing was over.+As you can see in the image, the key //bounces// briefly at the beginning until a stable LOW state is reached. 
  
 {{:pfw:prellen-kurzer_tastendruck_zoom_2025-06-14_18-55-44.png?400|Contact bounces after pressing the button}} {{:pfw:prellen-kurzer_tastendruck_zoom_2025-06-14_18-55-44.png?400|Contact bounces after pressing the button}}
  
-The port pin reacts to the first falling edge. Subsequent edgescaused by bouncing, do not trigger anything. The next falling edge would only be registered once the interrupt flag has been reset by the program.+In the second image, the bounce phase has been enlarged. After about 1ms, the bouncing was over.
  
 +The port pin reacts to the first falling edge. Subsequent edges, caused by bouncing, do not trigger anything. The next falling edge would only be registered once the interrupt flag has been reset by the program.
  
 +More on the [[pfw:topicofbouncing|topic of bouncing]].
  
  
pfw/clavis.1749969509.txt.gz · Zuletzt geändert: 2025-06-15 08:38 von mka