22 lines
688 B
C++
22 lines
688 B
C++
#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)
|
|
*/
|
|
//% help=music/play-tone weight=90
|
|
//% blockId=device_play_note block="play|tone %note=device_note|for %duration=device_beat" icon="\uf025" blockGap=8
|
|
//% parts="speaker" async useEnumVal=1
|
|
void playTone(int frequency, int ms) {
|
|
if(frequency > 0) uBit.soundmotor.soundOn(frequency);
|
|
else uBit.soundmotor.soundOff();
|
|
if(ms > 0) {
|
|
uBit.sleep(ms);
|
|
uBit.soundmotor.soundOff();
|
|
}
|
|
|
|
}
|
|
}
|