[sdiy] MIDI Running Status

[Ingo Debus]

"Byron G. Jacquot" wrote:
> 
> >Presently my device allows turning off Running Status on the MIDI OUT port
> >but the occasional sending of full status may make some sense.  I couldn't
> >imagine sending it 10 times a second as i find MIDI easily congested as it
> >is, but perhaps once every 10 seconds or as the 1st message sent after a 10
> >second lull in MIDI Voice message may be a good idea.
> 
> The problem might be that it's more hassle to set up a 10 second timer to
> use for this.

Yes, in my own 8051-based MIDI stuff I use an interval of about 65ms.
This is just because this is the maximum time-out time of an on-chip
timer :-)

> >This case would ultimately respond to a 10 sec full status period and
> >quickly respond to the 10 per second but perhaps it would be better to
> >switch to sending full status if you use flaky cabling.
> 
> It could always be a software option, turn it on if you get unexplained
> behaviour.

I think when the cabling is so flaky that you get problems with Running
Status, you'll get problems without Running Status as well. A missing
Note Off message will get you a stuck note anyway. IMHO it's not worth
the effort making it a software option.

Ingo