63 lines
1.5 KiB
C++
63 lines
1.5 KiB
C++
#include "pxt.h"
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namespace pins {
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void analogSetPitchVolume(int volume);
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int analogPitchVolume();
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}
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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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/**
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* Set the default output volume of the sound synthesizer.
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* @param volume the volume 0...255
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*/
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//% blockId=synth_set_volume block="set volume %volume"
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//% volume.min=0 volume.max=255
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//% volume.defl=127
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//% help=music/set-volume
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//% weight=70
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//% group="Volume"
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//% blockGap=8
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//% blockHidden=true
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void setVolume(int volume) {
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#if MICROBIT_CODAL
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uBit.audio.setVolume(max(0, min(255, volume)));
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#else
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pins::analogSetPitchVolume(volume);
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#endif
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}
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/**
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* Returns the current output volume of the sound synthesizer.
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*/
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//% blockId=synth_get_volume block="volume"
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//% help=music/volume
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//% weight=69
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//% group="Volume"
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//% blockGap=8
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//% blockHidden=true
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int volume() {
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#if MICROBIT_CODAL
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return uBit.audio.getVolume();
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#else
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return pins::analogPitchVolume();
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#endif
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}
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} |