#include "pxt.h" namespace music { /** * Plays a tone through ``speaker`` for the given duration. * @param frequency pitch of the tone to play in Hertz (Hz) * @param ms tone duration in milliseconds (ms) */ //% //% parts="speaker" async useEnumVal=1 void speakerPlayTone(int frequency, int ms) { if(frequency > 0) uBit.soundmotor.soundOn(frequency); else uBit.soundmotor.soundOff(); if(ms > 0) { uBit.sleep(ms); uBit.soundmotor.soundOff(); } } }