37 lines
1016 B
JavaScript
37 lines
1016 B
JavaScript
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({
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_acquired: false,
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_acquire: ffi("int furi_hal_speaker_acquire(int)"),
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_release: ffi("void furi_hal_speaker_release(void)"),
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start: ffi("void furi_hal_speaker_start(float, float)"),
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stop: ffi("void furi_hal_speaker_stop(void)"),
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acquire: function (timeout) {
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if (!this._acquired) {
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this._acquired = this._acquire(timeout);
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}
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return this._acquired;
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},
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acquired: function () {
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return this._acquired;
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},
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release: function () {
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if (this._acquired) {
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this._release();
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this._acquired = false;
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}
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},
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play: function (frequency, volume, duration) {
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let already_acquired = this.acquired();
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if (!already_acquired) {
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this.acquire(1000);
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};
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if (this.acquired()) {
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this.start(frequency, volume);
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delay(duration);
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this.stop();
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}
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if (!already_acquired) {
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this.release();
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}
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},
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}
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)
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