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50 lines
2.0 KiB
Arduino
50 lines
2.0 KiB
Arduino
5 years ago
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/*
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*
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* Snare - External trigger
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*
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*/
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long randNumber; //variable to store random number
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int pwmPin = 11; //define output pin, Meergranen output pin is 11
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bool triggered; // logic: trigered, yes or no
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void setup() {
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// if analog input pin 5 is unconnected, random analog
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// noise will cause the call to randomSeed() to generate
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// different seed numbers each time the sketch runs.
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// randomSeed() will then shuffle the random function.
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randomSeed(analogRead(5));
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Serial.begin(9600);
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pinMode(pwmPin,OUTPUT); //set pwmPin to output mode (otherwise the built-in pulldown resistor sets it as input, aka you wont hear anything)
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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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if(input3 && !triggered) { //if there is a reading on input3 and the bool condition triggered is not true do
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for(int i=0;i<25;i++){
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randNumber = random(10, 100); //generate random number between 10 and 100
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digitalWrite(pwmPin, LOW); //set output pin to LOW (0v)
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delayMicroseconds(randNumber/10*(i/4)*(analogRead(A1)/10));//wait for randomNumber (10-100 Mircroseconds (0.00001-0.0001 seconds))
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digitalWrite(pwmPin, HIGH); //set output pin to HIGH (5v)
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delayMicroseconds(randNumber/10*(i/4)*(analogRead(A1)/10)); //wait for randomNumber (10-100 Mircroseconds (0.00001-0.0001 seconds))
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}
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for(int i=0;i<200;i++){
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randNumber = random(10, 100); //generate random number between 10 and 100
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digitalWrite(pwmPin, LOW); //set output pin to LOW (0v)
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delayMicroseconds(randNumber);//wait for randomNumber (10-100 Mircroseconds (0.00001-0.0001 seconds))
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digitalWrite(pwmPin, HIGH); //set output pin to HIGH (5v)
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delayMicroseconds(randNumber); //wait for randomNumber (10-100 Mircroseconds (0.00001-0.0001 seconds))
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}
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triggered = true;
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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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