/* * * Trigger Detect * * * Detecting triggers is essential to interact with other modules, for example to generate short bursts of sounds * Try the output of simple-lfo.ino with this patch and open the serial monitor to see what happens! * * A3 = Trigger in * */ bool triggered; // logic: trigered, yes or no <<<<<<< HEAD ======= >>>>>>> 90939591a6ad3754ea764cdcf2a32970a3156486 long randNumber; //variable to store random number int pwmPin = 11; //define output pin, Meergranen output pin is 11 void setup() { // if analog input pin 5 is unconnected, random analog // noise will cause the call to randomSeed() to generate // different seed numbers each time the sketch runs. // randomSeed() will then shuffle the random function. randomSeed(analogRead(5)); pinMode(pwmPin,OUTPUT); //set pwmPin to output mode (otherwise the built-in pulldown resistor sets it as input, aka you wont hear anything) } void loop() { randNumber = random(10, 100); //generate random number between 10 and 100 digitalWrite(pwmPin, LOW); //set output pin to LOW (0v) delayMicroseconds(randNumber);//wait for randomNumber (10-100 Mircroseconds (0.00001-0.0001 seconds)) digitalWrite(pwmPin, HIGH); //set output pin to HIGH (5v) delayMicroseconds(randNumber); //wait for randomNumber (10-100 Mircroseconds (0.00001-0.0001 seconds)) } // int input3 = digitalRead(A3); // read analog pin 3 int input3 = true; // trigger if(input3 && !triggered) { //if there is a reading on input3 and the bool condition triggered is not true do Serial.println("I hear a trigger!"); // DO SOMETHING ON TRIGGER HERE for(int i=0; i<100; i++){ randNumber = random(10, 1000000); //generate random number between 10 and 100 digitalWrite(pwmPin, LOW); //set output pin to LOW (0v) delayMicroseconds(randNumber);//wait for randomNumber (10-100 Mircroseconds (0.00001-0.0001 seconds)) digitalWrite(pwmPin, HIGH); //set output pin to HIGH (5v) delayMicroseconds(randNumber); //wait for randomNumber (10-100 Mircroseconds (0.00001-0.0001 seconds)) triggered = true; } } else if(!input3 && triggered) { //if there is no reading on input3 and condition triggered is true (aka sound is playing), set triggered to false, aka stop playing // STOP WHEN NO TRIGGER IS PRESENT (or do something else ;) triggered = true; } }