onNoteOn()

Set up a function to call whenever a note is played on the device.

Parameters

Once an object midiin has been created, you can use the following function:

midiin.onNoteOn(action)

Parameter	Type	Default	Description
action	function	required	The function to call; it receives four parameters: eventType (144), channel (0 to 15), data1 (the pitch, 0 to 127), and data2 (the velocity, 0 to 127).