52 lines
1.1 KiB
C++
Executable file
52 lines
1.1 KiB
C++
Executable file
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// demonstrate pulse with slow changes in pulse width
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#include <Audio.h>
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#include <Wire.h>
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#include <SPI.h>
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#include <SD.h>
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#include <SerialFlash.h>
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// GUItool: begin automatically generated code
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AudioSynthWaveform waveform1; //xy=188,240
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AudioEffectEnvelope envelope1; //xy=371,237
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AudioOutputI2S i2s1; //xy=565,241
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AudioConnection patchCord1(waveform1, envelope1);
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AudioConnection patchCord2(envelope1, 0, i2s1, 0);
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AudioConnection patchCord3(envelope1, 0, i2s1, 1);
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AudioControlSGTL5000 audioShield; //xy=586,175
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// GUItool: end automatically generated code
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void setup(void)
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{
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// Set up
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AudioMemory(8);
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audioShield.enable();
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audioShield.volume(0.45);
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waveform1.pulseWidth(0.5);
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waveform1.begin(0.4, 220, WAVEFORM_PULSE);
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envelope1.attack(50);
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envelope1.decay(50);
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envelope1.release(250);
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}
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void loop() {
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float w;
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for (uint32_t i =1; i<20; i++) {
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w = i / 20.0;
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waveform1.pulseWidth(w);
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envelope1.noteOn();
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delay(800);
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envelope1.noteOff();
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delay(600);
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}
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}
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