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libraries/audio-tools/examples/examples-dsp/examples-maximilian/07-Counting1/07-Counting1.ino

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+
+#include "AudioTools.h"
+#include "AudioTools/AudioLibs/MaximilianDSP.h"
+
+// Define Arduino output
+I2SStream out;
+Maximilian maximilian(out);
+
+// Maximilian
+maxiOsc mySine; // This is the oscillator we will use to generate the test tone
+maxiClock myClock; // This will allow us to generate a clock signal and do things at specific times
+double freq; // This is a variable that we will use to hold and set the current frequency of the oscillator
+
+void setup() {
+    // 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);
+
+    // setup maximilian   
+    myClock.setTicksPerBeat(1);//This sets the number of ticks per beat
+    myClock.setTempo(120);// This sets the tempo in Beats Per Minute
+    freq=20; // Here we initialise the variable
+}
+
+void play(float *output) {
+    
+    myClock.ticker(); // This makes the clock object count at the current samplerate
+    
+    //This is a 'conditional'. It does a test and then does something if the test is true 
+
+    if (myClock.tick) { // If there is an actual tick at this time, this will be true.
+        
+        freq+=100; // DO SOMETHING
+        
+    } // The curly braces close the conditional
+    
+    //output[0] is the left output. output[1] is the right output
+    
+    output[0]=mySine.sinewave(freq);//simple as that!
+    output[1]=output[0];
+
+}
+
+// Arduino loop
+void loop() {
+    maximilian.copy();
+}