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47 lines
956 B
C++
47 lines
956 B
C++
/*
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*
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* Simple (PWM) Oscillator Internal Trigger
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*
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* A2 = pitch
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* A1 = note duration
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* A0 = LFO speed
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*
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*
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*/
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bool triggered; // logic: trigered, yes or no
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#define SPEAKER_PIN 11
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int noteDuration = 100; //default duration
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void setup() {
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// set pin 11 as output
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pinMode(SPEAKER_PIN, OUTPUT);
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}
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void loop() {
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int noteDuration = analogRead(A1)/10; // read analog pin 1 (note duration 0-100ms)
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int LFO = analogRead(A0)*2; // read analog pin 1 (note duration 0-2000ms)
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//fake trigger
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for(int i=0;i<2;i++){
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for(int i=0;i<noteDuration;i++){
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digitalWrite( SPEAKER_PIN, LOW );
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delayMicroseconds( analogRead(A2)*10); // wait
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digitalWrite( SPEAKER_PIN, HIGH );
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delayMicroseconds( analogRead(A2)*10 ); // wait
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triggered = true;
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delay(1); //playtime of the osc note: this numer * noteDuration milliseconds
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}
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delay(LFO); //fake trigger delay
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}
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}
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