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44 lines
1.2 KiB
C++
44 lines
1.2 KiB
C++
/*
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*
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* Trigger Detect
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*
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*
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* Detecting triggers is essential to interact with other modules, for example to generate short bursts of sounds
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* Try the output of simple-lfo.ino with this patch and open the serial monitor to see what happens!
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*
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* A3 = Trigger in
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*
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*/
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bool triggered; // logic: trigered, yes or no
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long randNumber;
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int pwmPin = 11;
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void setup() {
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Serial.begin(9600); // debugging (see if trigger is registered)
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}
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void loop() {
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int input3 = digitalRead(A3); // read analog pin 3
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// trigger
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if(input3==HIGH && !triggered) { //if there is a reading on input3 and the bool condition triggered is not true do
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Serial.println("I hear a trigger!");
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for(int i=0;i<2000;i++){
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randNumber = random(10, 100);
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digitalWrite(pwmPin, LOW);
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delayMicroseconds(randNumber);
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digitalWrite(pwmPin, HIGH);
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delayMicroseconds(randNumber);
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}
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}
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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
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// STOP WHEN NO TRIGGER IS PRESENT (or do something else ;)
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triggered = false;
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}
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}
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