Send a 90 5D 00/7F for DIM Off/On to the Input you selected in TM.
Sorry, i was unclear. With "to the Input" i meant the selected MIDI Input Source (selected Controller in TM) - Not a Audio Input or sth. And with "90 5D 00/7F", i was in the Hex-World.
90 = Note On, Channel 1
5D = Note Numer 93 in Decimal
00/7F = Velocity 0/127 in Decimal
I still didn't understand why people thought Note On vel 127 worked
Yes, thats right. Only a Note On with vel 127 will not work - Sorry, my mistake. But vel 0 works.
Why?
- Short:
Because we are on Mackie Protocol here.
-Long:
As i understood this: While its the same if you press a Key on a Synth, etc.
The "complete" MIDI Note Message always consists of two Messages:
NoteOn 90 5D 7F [A5 ( 93), 127] (you hit the key with max velocity)
NoteOff 80 5D 00 [A5 ( 93), 0] (you release the key)
So, I call it a MIDI note "bang". This is a MIDI Note On message immediately followed by the corresponding Note Off.
From my Notes regarding sending States from a Mackie Controller to a DAW (TM acts like a DAW from this point of view)
There is a common behaviour to all buttons and LEDs. The "bang" uses the velocity of the "Note On" message as a mean of describing the button / LED state. Maximum velocity (127 / 0x7F ) is a button pressed or a LED turned on. Minimum velocity is a button released and or a LED turned off (see above).
As a side note, this is to avoid a MIDI note overflow on the DAW. Imagine if it only used the Note On: a MIDI engines could try to keep track of all of them, waiting for the corresponding Note Off. This would build over time as we press more and more button until it runs out of memory. It's maybe not an issue anymore as MIDI engines are probably more clever than that and memory is widely available on computer now but it might have been a limitation at the time of designing this protocol.
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So, from the direction of Mackie Controller -> TM:
- TM behaves correct, according Mackie Protocol.
The other way, TM -> Mackie Controller, it sends:
For Dim On: NoteOn 90 5D 7F [A5 ( 93), 127]
For Dim Off: NoteOff 80 5D 40 [A5 ( 93), 64]
- Ok, too, as Mackie Protocol Spec is defined as follows, regarding its LED Behaviour:
LEDState Velocity Hex Remarks
Off 0 0x00 Any even value
Blink 1 0x01 Any odd value except 0xF7
Solid 127 0xF7
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