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53 lines
1.1 KiB
C++
53 lines
1.1 KiB
C++
/*
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Esplora Music
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This sketch turns the Esplora in a simple musical instrument.
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Press the Switch 1 and move the slider to see how it works.
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Created on 22 november 2012
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By Enrico Gueli <enrico.gueli@gmail.com>
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modified 22 Dec 2012
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by Tom Igoe
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*/
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#include <Esplora.h>
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// these are the frequencies for the notes from middle C
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// to one octave above middle C:
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const int note[] = {
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262, // C
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277, // C#
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294, // D
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311, // D#
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330, // E
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349, // F
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370, // F#
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392, // G
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415, // G#
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440, // A
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466, // A#
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494, // B
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523 // C next octave
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};
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void setup() {
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}
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void loop() {
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// read the button labeled SWITCH_DOWN. If it's low,
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// then play a note:
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if (Esplora.readButton(SWITCH_DOWN) == LOW) {
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int slider = Esplora.readSlider();
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// use map() to map the slider's range to the
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// range of notes you have:
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byte thisNote = map(slider, 0, 1023, 0, 13);
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// play the note corresponding to the slider's position:
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Esplora.tone(note[thisNote]);
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} else {
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// if the button isn't pressed, turn the note off:
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Esplora.noTone();
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}
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}
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