added osc with built-in lfo trigger

master
dennisdebel 5 years ago
parent 2084472e63
commit a986d013ea

@ -33,9 +33,9 @@ void loop() {
digitalWrite( SPEAKER_PIN, LOW );
delayMicroseconds( analogRead(A2) ); // wait
delayMicroseconds( analogRead(A2)*2 ); // wait
digitalWrite( SPEAKER_PIN, HIGH );
delayMicroseconds( analogRead(A2) ); // wait
delayMicroseconds( analogRead(A2)*2 ); // wait

@ -0,0 +1,46 @@
/*
*
* Simple (PWM) Oscillator Internal Trigger
*
* A2 = pitch
* A1 = note duration
* A0 = LFO speed
*
*
*/
bool triggered; // logic: trigered, yes or no
#define SPEAKER_PIN 11
int noteDuration = 100; //default duration
void setup() {
// set pin 11 as output
pinMode(SPEAKER_PIN, OUTPUT);
}
void loop() {
int noteDuration = analogRead(A1)/10; // read analog pin 1 (note duration 0-100ms)
int LFO = analogRead(A0)*2; // read analog pin 1 (note duration 0-2000ms)
//fake trigger
for(int i=0;i<2;i++){
for(int i=0;i<noteDuration;i++){
digitalWrite( SPEAKER_PIN, LOW );
delayMicroseconds( analogRead(A2)*10); // wait
digitalWrite( SPEAKER_PIN, HIGH );
delayMicroseconds( analogRead(A2)*10 ); // wait
triggered = true;
delay(1); //playtime of the osc note: this numer * noteDuration milliseconds
}
delay(LFO); //fake trigger delay
}
}
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