32 lines
626 B
C++
32 lines
626 B
C++
//FM synthes of a sort
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//hang on! it's unstable and wants to limit cycle
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#include <Music.h>
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#define BIT_DEPTH 8 // gives us 16 Waveforms
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#include <Motor.h>
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byte cnt;
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float xf, vf; //
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float k = 6.0; // increase FM frequency
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float b = 0.40; // increase
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float Tf = .030 ; //integration time
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void setup(){
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Serial.begin(9600);
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Music.init();
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Music.setWaveform(0);
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Music.setGain(1.0f);
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MotorA.init();
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}
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void loop(){
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xf += vf * Tf;
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vf += (k * (analogRead(A0) - xf) - b*vf) * Tf;
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Music.setFrequency(100+vf);
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Music.setGain(.001*abs(vf));
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MotorA.torque(500-xf);
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//if(cnt++==0)Serial.println(.001*abs(vf));
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}
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