2013-02-10 10:34:10 +01:00

48 lines
1.2 KiB
C++

// You can set the number of oscillators (1 to 3) and the bit depth of the
// oscillators (8 or 12 bit). These settings must be defined before the
// inclusion of the MMM library files. They default to 1 osciallator
// and 8bit respectively.
#define NUM_OSCILLATORS 3
#define BIT_DEPTH 8
// The Music object is automatically instantiated when the header file is
// included. Make calls to the Music objects with "Music.function(args)".
// You still need to call Music.init() in the setup() function below.
#include <Music.h>
int delayTime = 100;
int cnt = 0;
float baseFrequency = 110;
long timeNow;
long lastTime = 0;
void setup() {
// We initialise the sound engine by calling Music.init() which outputs a tone
Music.init();
Music.setFrequency(220);
Music.setDetune(0.005); // ranges from 0.00 - 0.02 are usually good
Music.setWaveform(PULSE);
Music.setFrequency1(baseFrequency*1);
Music.setFrequency2(baseFrequency*1.3333);
Music.setFrequency3(baseFrequency*1.5);
}
void loop() {
timeNow = millis();
if((timeNow-lastTime) > delayTime) {
cnt = cnt + 1;
if(cnt>16) cnt = 0;
float counter = float(cnt);
Music.setGain1(1.0/cnt);
Music.setGain2(1.0/cnt);
Music.setGain3(1.0/cnt);
lastTime = timeNow;
}
}