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???
09/11/08 09:02
Modified:
  09/11/08 09:32

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#158175 - Sounds strange ...
Responding to: ???'s previous message
Priyam Khanna said:
basically ,somehow the problem remains getting the desired output for every change in inputs.the outputs are erratic and random,correct outputs only 3,4,5 out of 10 times.


Do you mean that you are getting a different result from a keypress than you expect (instead of just no reaction to the keypress)?

That sounds like the problem lies somewhere else instead of the polling algorithm.

And, for the sake of completeness, what strategy are you using right now? Are you sampling the input pins the main loop or in a timer ISR? How often are you sampling them? How do you try to deal with contact bounce?





List of 22 messages in thread
TopicAuthorDate
HELP:regular monitoring of inputs 8051            01/01/70 00:00      
   Use a timer ?            01/01/70 00:00      
   Explain            01/01/70 00:00      
      NOT WORKING            01/01/70 00:00      
         instant doesn't exist            01/01/70 00:00      
         Make your mind up!            01/01/70 00:00      
            bounce            01/01/70 00:00      
               Sounds strange ...            01/01/70 00:00      
                  sampling            01/01/70 00:00      
                     Please post legible source code            01/01/70 00:00      
                        What debounce?            01/01/70 00:00      
                     code            01/01/70 00:00      
                        Did you check the preview?            01/01/70 00:00      
                        Broken code            01/01/70 00:00      
                           indentation            01/01/70 00:00      
                              Simulation            01/01/70 00:00      
                              Regular            01/01/70 00:00      
   Why not reading from main loop?            01/01/70 00:00      
   PLEASE HELP            01/01/70 00:00      
      have a look at Rate This Post            01/01/70 00:00      
   Study the state machine tutorial...            01/01/70 00:00      
      Is it here?            01/01/70 00:00      

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