playTone(frequency, duration, pause [, flags [, freqIncr]])

Play a tone

@status current Introduced in 2.1.0

Parameters

• frequency (number) tone frequency in Hz

• duration (number) length of the tone in (TODO units)

• pause (number) length of the pause in (TODO units)

• flags (number):

  • 0 or not present play with normal priority.
  • PLAY_BACKGROUND play in background (built in vario function used this context)
  • PLAY_NOW play immediately

• freqIncr (number) positive number increases the tone pitch (frequency with time), negative number decreases it. Bigger number has more effect

Return value

none

Notice

Minimum played frequency is 150Hz even if a lower value is specified.