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libraries/audio-tools/examples/examples-dsp/examples-maximilian/08-Counting4/08-Counting4.ino

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+#include "AudioTools.h"
+#include "AudioTools/AudioLibs/MaximilianDSP.h"
+
+// Define Arduino output
+I2SStream out;
+Maximilian maximilian(out);
+
+// Maximilian
+maxiOsc myCounter,mySwitchableOsc,another;//these oscillators will help us count and make sound.
+int CurrentCount;//we're going to put the current count in this variable so that we can use it more easily.
+double myOscOutput;//we're going to stick the output here to make it easier to mess with stuff.
+int myArray[10]={100,200,300,400,300,200,100,240,640,360};
+
+void setup() {//some inits
+    // setup logging
+    Serial.begin(115200);
+    AudioToolsLogger.begin(Serial, AudioToolsLogLevel::Info);
+
+    // setup audio output
+    auto cfg = out.defaultConfig(TX_MODE);
+    out.begin(cfg);
+    maximilian.begin(cfg);
+}
+
+void play(float *output) {
+    
+    CurrentCount=myCounter.phasorBetween(1*((another.sawn(0.1)+1)/2), 1, 9);//phasor can take three arguments; frequency, start value and end value.
+    
+    if (CurrentCount<5) {//simple if statement
+        
+        myOscOutput=mySwitchableOsc.square(myArray[CurrentCount]);
+    }
+    
+    else if (CurrentCount>=5) {//and the 'else' bit.
+        
+        myOscOutput=mySwitchableOsc.sawn(myArray[CurrentCount]);//one osc object can produce whichever waveform you want.
+    }
+    output[0]=myOscOutput;//point me at your speakers and fire.
+    output[1]=output[0];
+    
+}
+
+// Arduino loop
+void loop() {
+    maximilian.copy();
+}