The internal clock and crow are a bit more bare-metal – you have to define what should execute the clock transport functions. If clocking via Ableton Link (and if ‘Start Stop Sync’ is enabled in Live’s Link Preferences), Live’s transport state will automatically call the clock transport functions. If clocking via MIDI, received “start” and “stop” MIDI messages will automatically call the clock transport functions. ![]() depending on the current clock source, norns has built-in handlers to help keep your devices in sync. In Live 10 the feature “Start Stop Sync” (which can be found Live’s Link/MIDI preferences) additionally shares Transport Start and Stop Commands.īy defining () and () in your script, you tell norns what to execute whenever a transport message is received. In Live 9, there are no Song Position or Start/Stop messages sent via Link, nor can any other MIDI data be sent. from Ableton: Link currently provides tempo sync and a grid to which apps can align. Remote start/stop events can be generated by Link or external MIDI. start () print ( "we begin" ) id = clock. name = 'PolyPerc' function pulse () clock. we later use this id with clock.cancel.Įngine. To cancel a coroutine, you need to store the id generated by n. these will continue running until you launch a new script or cancel them manually with clock.cancel. ![]() we can create forever-running loops using a while true inner loop. ![]() So far all of our coroutines end by themselves, by reaching the end of their own execution. note that you can overlap multiple runs by pressing the key rapidly! a new coroutine is started with each run, so you can have numerous processes running at once.Ĭlock.sync sleeps until the next subdivision specified arrives, so the timing is effectively quantized to the global tempo (which is the goal of this use case). Now each strum is executed with different arguments. run ( strum, math.random ( 16 ), math.random ( 8 )) end end hz ( i * 100 ) end end function key ( n, z ) if n = 3 and z = 1 then clock. name = 'PolyPerc' function strum ( n, speed ) for i = 1, n do clock.
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