MIDI DESIGNER
The only MIDI controller for iPad, iPhone, and Mac


Talk to other MIDI Designer users about MIDI Designer, iOS MIDI and related topics. Or share layouts, pages, and ideas.

Check out our Facebook Group.

Of course, if you want to send us an email, feel free.

Open problem reports

Summary of user requests
Button Groups? - MIDI Designer Q&A
0 votes
in Basic by MIDI Designer Team (Dan)

1 Answer

+1 vote
 
Best answer

See this blog article which explains everything you need to know.

by MIDI Designer Team (Dan)
I want to use this in my layouts too, but I notice that each button also sends its "Off" value when switching to another button, so two CCs are sent instead of just the one you want.
For example:
Button A (Off: 0, On: 0)
Button B (Off: 32, On: 32)
Button C (Off: 64, On: 64)

Log (first the button pressed, then the resulting CCs):
Button A (nothing was pressed before):
Data2=0 - good!

Button B:
Data2=0 - unnecessary
Data2=32

Button C:
Data2=32 - unnecessary
Data2=64

It's not extremely hindering, but it's again an extra CC that will get recorded and that spams the MIDI bus. Is there a way to circumvent this?
When setting the "Off" values to 0, the results are the same btw - I thought setting On and Off might result in the control NOT sending it's Off-value.
Understood. Is this resulting in any problems with some particular device, or is it just a worry about the extra junk messages potentially clogging the line? Either way, I'll consider fixing it, of course.
This is from October, but: now we have send-on-only, which you can do from the super or from any/all of the subs. Thanks!
...