mirror of https://github.com/espruino/BangleApps
59 lines
1.1 KiB
JavaScript
59 lines
1.1 KiB
JavaScript
// made using https://www.espruino.com/Making+Music
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// Manic Monday tone by The Bangles
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var s = require('Storage').readJSON('setting.json',1)||{};
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/* Normally we'd just use Bangle.beep which works automatically
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but because we're going lower level we need to account for the
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different pin. */
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if (s.beep=="vib") {
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function freq(f) {
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if (f===0) digitalWrite(D13, 0);
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else analogWrite(D13, 0.1, {freq: f});
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}
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} else {
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function freq(f) {
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if (f===0) digitalWrite(D18, 0);
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else analogWrite(D18, 0.5, {freq: f});
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}
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}
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freq(1000);
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freq(1500);
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freq(0);
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var pitches = {
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'G': 207.65,
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'a': 220.00,
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'b': 246.94,
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'c': 261.63,
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'd': 293.66,
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'e': 329.63,
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'f': 369.99,
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'g': 392.00,
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'A': 440.00,
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'B': 493.88,
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'C': 523.25,
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'D': 587.33,
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'E': 659.26,
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'F': 698.46
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};
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function step() {
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var ch = tune[pos];
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if (ch !== undefined) pos++;
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if (ch in pitches) freq(pitches[ch]);
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else freq(0); // off
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}
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var tune = "aggffefed";
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var pos = 0;
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setWatch(() => {
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pos = 0;
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var playing = setInterval(step, 500);
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if(playing === 0) clearInterval(playing);
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}, BTN1);
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E.showMessage('BTN1 to start', 'Manic Monday');
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