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