norns

• Index

Contents

• Functions

Modules

• arc
• audio
• clock
• controlspec
• crow
• core.crow.public
• core.crow.quote
• encoders
• engine
• gamepad
• grid
• hid
• keyboard
• metro
• midi
• norns
• osc
• params.binary
• params.control
• params.file
• params.group
• params.number
• params.option
• params.separator
• params.taper
• params.text
• params.trigger
• paramset
• poll
• screen
• script
• softcut
• lib.beatclock
• lib.container.defaulttable
• lib.container.deque
• lib.container.observable
• lib.container.watchtable
• lib.container.weaktable
• lib.elca
• lib.envgraph
• lib.er
• lib.fileselect
• lib.filtergraph
• lib.filters
• lib.formatters
• lib.graph
• lib.intonation
• lib.lattice
• lib.lfo
• lib.listselect
• lib.musicutil
• lib.pattern_time
• lib.reflection
• lib.sequins
• lib.tabutil
• lib.test.luaunit
• lib.textentry
• lib.textentry_kbd
• lib.timeline
• lib.ui
• lib.util
• lib.voice

Module metro

high-resolution metro API

The norns script reference has examples for this module.

Functions

init (arg, arg_time, arg_count)	initialize a metro.
free (id)	free
free_all ()	free all
new (id)	constructor.
start ([time[, count[, stage]]])	start a metro.
stop ()	stop a metro.

Functions

init (arg, arg_time, arg_count)

initialize a metro. assigns unused id.

Parameters:

• arg function callback function
• arg_time number time period between ticks (seconds).
• arg_count number number of ticks. infinite by default.

free (id)

free

Parameters:

• id number

free_all ()

free all

new (id)

constructor.

Parameters:

• id integer : identifier

Returns:

Metro

start ([time[, count[, stage]]])

start a metro.

Parameters:

• time number
  • time period between ticks (seconds.) by default, re-use the last period
  (optional)
• count number
  • number of ticks. infinite by default
  (optional)
• stage number
  • initial stage number (1-based.) 1 by default
  (optional)

stop ()

stop a metro.