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???
06/07/06 00:07
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#117907 - Not a "standard" baud rate
Responding to: ???'s previous message
Jon Ledbetter said:
[have you] successfully communicated with a PC terminal program? If not I suggest you try and get a working connection between your uC and PC terminal program using your desired baud rate.

Unfortunately, you can't do that in this case - the MIDI baud rate is not a standard PC baud rate, and MIDI does not use an RS232 connection.

However, it would be still be worth getting it working with a PC terminal program at the next higher standard PC baud rate (38400), over RS232, first - then at least you'd know that your serial comms was working.

Once you have serial RS232 comms working, then check that it works over your opto isolators with the terminal program at the standard baud rate.

Finally, switch to the proper MIDI baud rate and soundcard.

List of 41 messages in thread
TopicAuthorDate
AT89S8252 MIDI Baud Rate            01/01/70 00:00      
   Have you ...            01/01/70 00:00      
      A 12 MHz xtal ...            01/01/70 00:00      
         why deprioritize what can not happen?            01/01/70 00:00      
         AT89S8252 MIDI Baud Rate            01/01/70 00:00      
            AT89S8252 MIDI Baud Rate            01/01/70 00:00      
            My settings from the 80's            01/01/70 00:00      
                I don't see Initialization Problem            01/01/70 00:00      
                  First results            01/01/70 00:00      
                     This could have problems            01/01/70 00:00      
                        strange behaviour            01/01/70 00:00      
                           indentions            01/01/70 00:00      
                           post the .lst or hex            01/01/70 00:00      
                              hex code and problem location            01/01/70 00:00      
                                 6N138            01/01/70 00:00      
                                 PC817            01/01/70 00:00      
                                    Debugging            01/01/70 00:00      
                                 had a look            01/01/70 00:00      
                                    rise/fall times (hair-splitting)            01/01/70 00:00      
                                       you cn't do that            01/01/70 00:00      
                                          PROBLEM SOLVED            01/01/70 00:00      
                                             Great Stuff - Glad it's working            01/01/70 00:00      
                                                next            01/01/70 00:00      
                                                Dark side of
 tags      
      01/01/70 00:00      
                                                   What you are totally missing is t            01/01/70 00:00      
                                                   Interesting ..            01/01/70 00:00      
                                          if you look at me, you will know :)            01/01/70 00:00      
                  My settings from the 80's            01/01/70 00:00      
      Not a "standard" baud rate            01/01/70 00:00      
         Loop back would work because ...            01/01/70 00:00      
   Because it happens later ....            01/01/70 00:00      
   what is your hardware?            01/01/70 00:00      
      hardware            01/01/70 00:00      
         what optocoupler and what are the parts            01/01/70 00:00      
            emmeiG odoC            01/01/70 00:00      
               I was just about to make a suggestion            01/01/70 00:00      
               A suggestion            01/01/70 00:00      
                  Close            01/01/70 00:00      
                     No, by no means are you supposed to beg            01/01/70 00:00      
         Gimme Code            01/01/70 00:00      
         A SCOPE ???????            01/01/70 00:00      

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