43 lines
1.1 KiB
C++
43 lines
1.1 KiB
C++
// You can set the number of oscillators (1 to 3) and the bit depth of the
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// oscillators (8 or 12 bit). These settings must be defined before the
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// inclusion of the MMM library files. They default to 1 osciallator
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// and 8bit respectively.
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#define NUM_OSCILLATORS 3
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#define BIT_DEPTH 8
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// The Music object is automatically instantiated when the header file is
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// included. Make calls to the Music objects with "Music.function(args)".
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// You still need to call Music.init() in the setup() function below.
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#include <Music.h>
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int delayTime = 400;
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int cnt = 0;
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float baseFrequency = 110;
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long timeNow;
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long lastTime = 0;
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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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Music.setFrequency(220);
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Music.setDetune(0.001); // ranges from 0.00 - 0.02 are usually good
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Music.setWaveform(SAW);
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}
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void loop() {
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timeNow = millis();
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if((timeNow-lastTime) > delayTime) {
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cnt = cnt + 1;
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if(cnt>3) cnt = 0;
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Music.setFrequency1(baseFrequency*1*cnt);
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Music.setFrequency2(baseFrequency*1.3333*cnt);
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Music.setFrequency3(baseFrequency*1.5*cnt);
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lastTime = timeNow;
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}
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}
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