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05/07/07 17:53
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#138734 - Spoofing 2 stop bits?
Okay, so I skipped a few steps in Mr. Cooper's syllabus and got the chip "echoing" characters nicely. My problem now is that I must talk to a device which expects two stop bits, and the data sheet, programmer's guide, "bible" make no mention of this capability. I've tried setting the ninth data bit both high and low, in hopes of emulating the first stop bit. That didn't work.

I've heard tell of "bit-banging" which would seem to a) solve this issue perfectly and b) not leave a lot of CPU time for other tasks. Is there a standard solution to this?

Many Thanks,
Bob Robertson

List of 16 messages in thread
TopicAuthorDate
Spoofing 2 stop bits?            01/01/70 00:00      
   tghere is no such thing as 2 stop bits            01/01/70 00:00      
      Inidistinguishable            01/01/70 00:00      
      Some UARTs of yesteryear supported it!            01/01/70 00:00      
         Yesteryear?            01/01/70 00:00      
      question?            01/01/70 00:00      
   9N1=8N2!            01/01/70 00:00      
      That's what I thought!            01/01/70 00:00      
         code - or comment - wrong            01/01/70 00:00      
            just lazy commenting, sorry n/t            01/01/70 00:00      
         I repeat            01/01/70 00:00      
         stopbit = 1!            01/01/70 00:00      
            1!1!!!1            01/01/70 00:00      
               what exactly...            01/01/70 00:00      
   Resolved            01/01/70 00:00      
      RTFM, or WTFM?            01/01/70 00:00      

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