42 lines
1.4 KiB
C++
Executable File
42 lines
1.4 KiB
C++
Executable File
#include "AudioTools.h"
|
|
#include "AudioTools/AudioLibs/MaximilianDSP.h"
|
|
|
|
// Define Arduino output
|
|
I2SStream out;
|
|
Maximilian maximilian(out);
|
|
|
|
//This shows how to use maximilian to do basic amplitude modulation.
|
|
//It also shows what happens when you modulate waves with waves that have frequencies over 20 hz.
|
|
//You start to get interesting effects.
|
|
|
|
maxiOsc mySine,myOtherSine,myPhasor;//Three oscillators. They can be called anything. They can be any of the available waveforms.
|
|
|
|
|
|
void setup() {//some inits
|
|
// setup logging
|
|
Serial.begin(115200);
|
|
AudioToolsLogger.begin(Serial, AudioToolsLogLevel::Info);
|
|
|
|
// setup Aduio output
|
|
auto cfg = out.defaultConfig(TX_MODE);
|
|
out.begin(cfg);
|
|
maximilian.begin(cfg);
|
|
}
|
|
|
|
void play(float *output) {
|
|
|
|
//Using the phasor we can create a ramp, and use this ramp to set the frequency of one of the waves.
|
|
//When the frequency of the lower waveform passes over the threshold of 20hz, we start to hear two new waveforms.
|
|
//The frequency of the first new wave is the sum of the two original waves.
|
|
//The frequency of the second new wave is the difference of the two original waves.
|
|
//So you hear two new waves, one going up, one going down.
|
|
|
|
output[0]=mySine.sinewave(440)*myOtherSine.sinewave(myPhasor.phasorBetween(0.01,0,440));
|
|
output[1]=output[0];
|
|
|
|
}
|
|
|
|
// Arduino loop
|
|
void loop() {
|
|
maximilian.copy();
|
|
} |