#include "AudioTools.h" #include "AudioTools/AudioLibs/MaximilianDSP.h" // Define Arduino output I2SStream out; Maximilian maximilian(out); // Maximilian maxiOsc myCounter,mySwitchableOsc;//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. 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, 1, 9);//phasor can take three arguments; frequency, start value and end value. // here we use a conditional to make something happen at a specific time. if (CurrentCount<5)//simple if statement myOscOutput=mySwitchableOsc.square(CurrentCount*100); else if (CurrentCount>=5)//and the 'else' bit. myOscOutput=mySwitchableOsc.sinewave(CurrentCount*50);//one osc object can produce whichever waveform you want. output[0]=myOscOutput; output[1]=output[0]; } // Arduino loop void loop() { maximilian.copy(); }