a library and some program to interact with the launchpad.
LPMIDI
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this program allows you to communicate with the launchpad through alsa-midi ports.
LPOSC
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this program allows you to communicate with the launchpad through an OSC
server. Here are the messages currently supported:
/lp/reset -- reset the launchpad
/lp/matrix iii -- (row, col, vel) change the color of a matrix button
/lp/scene ii -- (row, vel) change the color of a scene button (right column)
/lp/ctrl ii -- (col, val) change the color of a control button (top row)
/lp/dest s -- (address) set the address where events should be sent.
vel is for velocity. please refer to novation's manual for more information. to
keep it simple, 0 = off, 127 = yellow.
events sent:
/lp/matrix iii -- (row, col, vel)
/lp/scene ii -- (row, vel)
/lp/ctrl ii -- (col, vel)
vel = 127 => press
vel = 0 => release