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???
08/30/05 02:58
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 		 #100259 - RF links pose challenges, but anyway...
Responding to: ???'s previous message
Did the receiver output look like it would be compatible with a UART (i.e., noise-free) -- implemented in either hardware or software? The only advantage to a bit-banged UART is that you'll be able to tailor it with some kind of noise filtering algorithm.

Manoz Joshi said:
Since I don't have plenty of money and I prefer to test it with bit-banging (software UART) in order to see if it work better.

Since you're seem set on asynchronous NRZ, there's plenty of bit-banged UART code to be had by searching the net. Philips and Programmer Heaven for starters.


List of 34 messages in thread
TopicAuthorDate
Serial RF with AT89C51 to AT89C51            01/01/70 00:00      
   Lineks ?            01/01/70 00:00      
   UARTs and ASK            01/01/70 00:00      
      Software driven UART - Bit-banging            01/01/70 00:00      
         Channel coding            01/01/70 00:00      
            Yes but...            01/01/70 00:00      
               What is the hardware UART not doing?            01/01/70 00:00      
                  Hardware UART            01/01/70 00:00      
                     RF links pose challenges, but anyway...            01/01/70 00:00      
                     Spend the money or do the hard work?            01/01/70 00:00      
                        So many, so often, forget that design is            01/01/70 00:00      
   Rendering            01/01/70 00:00      
      Me too !            01/01/70 00:00      
      nope, just like any other (IE)            01/01/70 00:00      
         Disappointed!            01/01/70 00:00      
            What is the purpose of "learning" our co            01/01/70 00:00      
            Sorry but            01/01/70 00:00      
            End of wrong stick?            01/01/70 00:00      
            Learning? Dealing with disappoinment            01/01/70 00:00      
            What you need to learn            01/01/70 00:00      
               Apology            01/01/70 00:00      
                  Recommendation            01/01/70 00:00      
                  A short backgrounder            01/01/70 00:00      
                     Missing the point            01/01/70 00:00      
   The wise men have spoken            01/01/70 00:00      
   UARTs, the last word Mr. Joshi            01/01/70 00:00      
      *Groan* Here is my inital code            01/01/70 00:00      
         Does it work ?            01/01/70 00:00      
            Does it work at all?            01/01/70 00:00      
         The Point.            01/01/70 00:00      
            why analyze how deep the water is before            01/01/70 00:00      
         TF2 needs to be cleared in interrupt            01/01/70 00:00      
         the right way to get help definitely is            01/01/70 00:00      
         Pinching a loaf            01/01/70 00:00      

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