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Bc2000 (for the BCF2000 & BCR2000)

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Re: BCR, waldorf microwave and sysex

2010-10-29 by Hervé

> 
> In any case you should be able to use BC Manager to set up the BCR "manually" for the Waldorf, using method 1 above.
> Method 2 would only make it EASIER to set up the BCR.
> 
> > so here is the typical kind of sysex message (i will take the cutoff 
> > frequency for exemple)
> > 
> > F0h start
> > 3Eh id Waldorf
> > 00h id Microwave I
> > 00h Device ID 0-126
> > 
> > 60h RealTimeEdit (start checksum)
> > 
> > 00h Instrument N° 0-7
> > 
> > 0Xh Parameter MSB 4 Bit (cutoff fonction)
> > 0Xh Parameter LSB 4 Bit (cutoff fonction)
> > 
> > YYh raltime controler value (the one i want to change)
> > 
> > ZZh Checksum
> > 
> > F7h EOX (End)
> > 
> > so it gives me in midiox :
> > 
> > F0 3E 00 00 60 00 03 00 FB 7F F7 (FB is the realtime value)
> 
> Something I don't understand about this: FBh cannot be sent within a SysEx message: the MIDI format dictates that data bytes inside a SysEx message must be in the range 00h-7Fh. Also, I don't quite see how the checksum could be 7Fh here.
> 
> > In fact i would like to know if the bcr can handle this kind of message...
> 
> Your example would need to be translated to something like this in the BCR's ".tx" format:
> 
> .tx $F0 $3E $00 $00 $60 $00 $03 $00 val cks-2 5 $F7
> 
> Here "val" stands for the variable (7-bit) parameter, and "cks-2 5" will make the BCR generate the appropriate checksum byte (if I'm not mistaken).
> 
> For all the details of the ".tx" format, see "BC MIDI Implementation.pdf" (available from the Mountain Utilities website; it's also in the BC Manager package), in particular section 14.6.
> Also see Royce's "SecretBC.pdf", available from the Yahoo group's file section (under Documentation).
> 
> Hope this helps,
> Mark.
>
Hello Mark,

thank you for your explanations, i check everythings this week end and i'll post my results...not sure but i think others waldorf's product (more recent) use also standard CC

hervé

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