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trigger:MIDI [2015/07/03 04:34]
peternlewis
trigger:MIDI [2017/11/06 01:31] (current)
peternlewis
Line 1: Line 1:
-The *MIDI trigger* lets you execute a macro when a MIDI note is received.+The *MIDI trigger* lets you execute a macro when a MIDI packet ​is received.
  
-If the note field has the text focus, and you press the a MIDI note, then Keyboard Maestro will set the note field to the correct value for you.+You can trigger on specific notes, specific controller changes (v8+), or on any raw MIDI packet (v8+). 
 + 
 +If the *Allow Recording* checkbox is on, and the note field has the text focus, and you press a MIDI note, then Keyboard Maestro will set the fields ​to the correct value for you; similarly for the controller field or the raw packet fields. 
 + 
 +====== Notes =======
  
 The macro can execute when the MIDI note is pressed (note on), released (note off) or continuously while it is held down.  This allows you to do things like have a macro execute when the key is pressed, and then a second macro execute when the key is released, for example to toggle a setting on and then off again. The macro can execute when the MIDI note is pressed (note on), released (note off) or continuously while it is held down.  This allows you to do things like have a macro execute when the key is pressed, and then a second macro execute when the key is released, for example to toggle a setting on and then off again.
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 You can configure the trigger to execute the macro when the note is received from a particular device, from a particular channel or from any device or channel. You can configure the trigger to execute the macro when the note is received from a particular device, from a particular channel or from any device or channel.
  
 +The [[token:​TriggerValue|%TriggerValue%]] token will hold `channel,​note,​velocity,​device` for press and release (just the velocity was included prior to version 8.0).  You can easily access the individual parts using the token array notation, eg `%TriggerValue[2]%` will be the controller (8.0.4+).
 +
 +====== Controller Change =======
 +
 +The macro can execute when the MIDI controller value changes (v8+). ​ Options include:
 +
 +* changes — every time it changes.
 +* changes < — every time it changes and is less than the specified value.
 +* changes <= — every time it changes and is less than or equal to the specified value.
 +* changes to — every time it changes and is the specified value.
 +* changes >= — every time it changes and is greater than or equal to the specified value.
 +* changes > — every time it changes and is greater than the specified value.
 +* changed — every time it changes to a different value.
 +* changed < — every time it changes and is less than the specified value and was not previously.
 +* changed <= — every time it changes and is less than or equal to the specified value and was not previously.
 +* changed to — every time it changes and is the specified value and was not previously.
 +* changed >= — every time it changes and is greater than or equal to the specified value and was not previously.
 +* changed > — every time it changes and is greater than the specified value and was not previously.
 +* decreases — every time it changes and is less than the previous value. (v8.0.4+)
 +* increases — every time it changes and is greater than the previous value. (v8.0.4+)
 +
 +For the *changed* variants, the first controller change Keyboard Maestro sees is assumed to have changed if it matches the conditions. ​ After that, only changes from the previous state are considered.
 +
 +You can configure the trigger to execute the macro when the controller change is received from a particular device, from a particular channel or from any device or channel.
 +
 +The [[token:​TriggerValue|%TriggerValue%]] token will hold `channel,​controller,​value,​device`. ​ You can easily access the individual parts using the token array notation, eg `%TriggerValue[2]%` will be the controller (8.0.4+).
 +
 +====== Raw Packet =======
 +
 +This is a rather advanced trigger that requires some knowledge of the MIDI protocol (v8+). ​ You can configure the minimum and maximum size of the packet, as well as the range of the first two bytes, and a regex that matches the specified packet (the format will be a sequence of space-separated hex values).
 +
 +This should allow you to capture things like SysEx and HUI protocol packets and the like.
 +
 +The [[token:​TriggerValue|%TriggerValue%]] token will the space-separated hex values representing the packet. ​ You can easily access the individual parts using the token array notation, eg `%TriggerValue[3] %` will be the third value (8.0.4+) — note the `[space]` in `][space]%`,​ the space is the separator for the array, instead of the default comma.
trigger/MIDI.1435912478.txt.gz · Last modified: 2015/07/03 04:34 by peternlewis