MIDI Message Type “No MIDI send/receive” sends MIDI out from MDP

Question

MIDI Target Manufacturer(s): Other/Unlisted Maker

Contrary to its title, setting MIDI to “No MIDI send/receive” will send a MIDI output (I haven’t tested receive). This is a repeat of a defect from Ibo-Kai on March 19.

I set up simple 6 buttons (not Supercontrols) using Message Type CC, four buttons with Chan 6 and two with Chan 4. I then changed the two Chan 4 to “No MIDI send/receive”. As I tapped the buttons, I monitored the MIDI out with MDP Log, MIDISpy iPad App, and MIDI Monitor on my computer.

The MDP log properly indicated the four Chan 6 outputs and did not register any for the two Chan 4. So does it not output internally?

MIDISpy indicated the four Chan 6 properly. The two Chan 4 indicated the following outputs:

       CH4           PolyPressure   13        127

       CH4           PolyPressure   15        127

MIDI Monitor indicated the four Chan 6 properly. The two Chan 4 indicated the following outputs:

       Aftertouch             4          C#-1     127

       Aftertouch             4          E-1       127

So MDP does output MIDI messages when No MIDI send/receive is selected. What is the intent of the No MIDI selection?

I have a 3^rd Generation 11” iPad M1 Pro with SW 15.3.1. I have MDP 2 with version 2.311.

Downloads: 304
No MIDI test
Downloads: 304

Comments

The button toggles MIDI RECEIVE only to avoid feedback from Live. It’s called “midi receive”… no?

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No! It's labeled No MIDI send/receive. I interpreted it as disabling the input and output from/to an external device. I occasionally have a control that is not a Supercontrol. I was trying No MIDI in lieu of defining the control as a SysEx to avoid sending random CC's that may mess up the external device.

For receive, there is a MIDI Receive On/Off property. Perhaps it should be relabeled such as "No live receive"?

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With dsabou on this one.  When you select no midi send / receive, it disables ability to make any other midi settings on the control.  So what midi message should we expect it to send?  And I have relied on it the same way dsabou has - a control that is silent on midi, but doing something else useful (like show/hiding a panel).

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OK, I forgot about this. I’ll verify the bug and fix as soon as I can. Thanks everybody for keeping me straight.

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I’m not able to repro a no send receive sending. Help?

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Scratch that, I see it now.

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Please see if you can repro in the latest beta 2.3112 thanks.