63 lines
1.4 KiB
C++
63 lines
1.4 KiB
C++
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// This needs to be in all sketches at the moment
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#include <stdint.h>
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// The Music and Midi objects are automatically instantiated when the header file is included.
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// Make calls to the Music and Midi objects with "Music.function(args)" and "Midi.function(args)"
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// You still need to call Music.init() and Midi.init() in the setup() function below.
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#include <Music.h>
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// variables for this sketch
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boolean noteIsOn = false;
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int n = 0;
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int dir = 1;
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int rootNote = 48;
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int note[] = {0,2,3,5,7,9,10,12,14};
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long time = 0;
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long lastTime = 0;
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long beatTime = 100;
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void setup() {
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// We initialise the sound engine by calling Music.init() which outputs a tone
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Music.init();
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// enabling the envelope lets us define an gain envelope for the synth
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// without having to specify it in our loop() or physics code.
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Music.enableEnvelope();
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Music.setAttack(0x00FF);
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Music.setDecay(0x0008);
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Music.setSustain(0x00FF);
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Music.setRelease(0x0008);
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}
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void loop() {
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// This short routine loops note over and over again
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time = millis();
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if(time - lastTime > beatTime) {
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if(!noteIsOn) {
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Music.noteOn(rootNote+note[n]);
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noteIsOn = true;
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n = n + dir;
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if(n > 7)
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{
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dir = -1;
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}
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else if(n < 1)
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{
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dir = 1;
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}
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} else {
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Music.noteOff();
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noteIsOn = false;
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}
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lastTime = time;
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}
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}
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