Adding files

.gitignore

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+
+.DS_Store

Workshop_audio/AudioSamplePiano_c3_44k.h

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+// Audio data converted from WAV file by wav2sketch
+
+extern const unsigned int AudioSamplePiano_c3_44k[54465];

Workshop_audio/Workshop_audio.ino

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+
+#include <Bounce.h>
+#include <Audio.h>
+#include <Wire.h>
+#include <SPI.h>
+#include <SD.h>
+#include <SerialFlash.h>
+
+// GUItool: begin automatically generated code
+AudioPlayMemory          playMem1;       //xy=113,154
+AudioOutputAnalog        dac1;           //xy=324,155
+AudioConnection          patchCord1(playMem1, dac1);
+// GUItool: end automatically generated code
+
+#include "AudioSamplePiano_c3_44k.h"  // include the sample data for the piano sound
+
+
+const int BUTTON_PIN(0);
+
+Bounce button_bounce( BUTTON_PIN, 5 );     // 5ms debounce time
+
+void setup()
+{
+  pinMode( BUTTON_PIN, INPUT_PULLUP ); // set the pin mode for the button and enable the pull up resistor inside the Teensy
+
+ AudioMemory(10); // allocate some memory from the teensy audio libary (10 audio blocks)
+
+  Serial.begin(9600);
+
+  Serial.println("Setup complete");
+}
+
+void loop()
+{
+  // has the button state change?
+  if( button_bounce.update() )
+  {
+    // is the button pressed down
+    if( button_bounce.fallingEdge() )
+    {
+      Serial.println("Button down!");
+
+      playMem1.play( AudioSamplePiano_c3_44k );
+    }
+    else if( button_bounce.risingEdge() )
+    {
+      Serial.println("Button up!");
+    }
+  }
+}

Workshop_delay/AudioSamplePiano_c3_44k.h

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+// Audio data converted from WAV file by wav2sketch
+
+extern const unsigned int AudioSamplePiano_c3_44k[54465];

Workshop_delay/Workshop_delay.ino

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+
+#include <Bounce.h>
+#include <Audio.h>
+#include <Wire.h>
+#include <SPI.h>
+#include <SD.h>
+#include <SerialFlash.h>
+
+// GUItool: begin automatically generated code
+AudioPlayMemory          playMem1;       //xy=74,230
+AudioMixer4              mixer1;         //xy=244,54
+AudioEffectDelay         delay1;         //xy=381,170
+AudioMixer4              mixer2;         //xy=516,356
+AudioOutputAnalog        dac1;           //xy=700,355
+AudioConnection          patchCord1(playMem1, 0, mixer1, 1);
+AudioConnection          patchCord2(playMem1, 0, mixer2, 1);
+AudioConnection          patchCord3(mixer1, delay1);
+AudioConnection          patchCord4(delay1, 0, mixer1, 0);
+AudioConnection          patchCord5(delay1, 0, mixer2, 0);
+AudioConnection          patchCord6(mixer2, dac1);
+// GUItool: end automatically generated code
+
+
+
+#include "AudioSamplePiano_c3_44k.h"  // include the sample data for the piano sound
+
+
+const int BUTTON_PIN(0);
+const int POT1_PIN(A0);
+const int POT2_PIN(A1);
+
+Bounce button_bounce( BUTTON_PIN, 5 );     // 5ms debounce time
+
+void setup()
+{
+  pinMode( BUTTON_PIN, INPUT_PULLUP ); // set the pin mode for the button and enable the pull up resistor inside the Teensy
+
+ AudioMemory(128); // allocate some memory from the teensy audio libary
+
+  Serial.begin(9600);
+
+  Serial.println("Setup complete");
+
+  // mix dry and wet signal (50% of each)
+  mixer2.gain( 0, 0.5f ); // wet
+  mixer2.gain( 1, 0.5f ); // dry
+}
+
+void loop()
+{
+  // has the button state change?
+  if( button_bounce.update() )
+  {
+    // is the button pressed down
+    if( button_bounce.fallingEdge() )
+    {
+      Serial.println("Button down!");
+
+      playMem1.play( AudioSamplePiano_c3_44k );
+    }
+    else if( button_bounce.risingEdge() )
+    {
+      Serial.println("Button up!");
+    }
+  }
+
+  const int min_delay_time = 50;
+  const int max_delay_time = 300;
+
+  static float old_pot1_val_raw = 0;
+  float pot1_val_raw = analogRead( POT1_PIN );
+
+  // is the difference large enough to change the delay time?
+  if( abs( old_pot1_val_raw - pot1_val_raw ) > 50 )
+  {
+    const float pot1_val = pot1_val_raw / 1024.0f;
+    const float delay_time = min_delay_time + ( max_delay_time * pot1_val );
+    delay1.delay( 0, delay_time );
+    Serial.println(delay_time);
+
+    // update the old value
+    old_pot1_val_raw = pot1_val_raw;
+  }
+
+  float pot2_val = analogRead( POT2_PIN ) / 1024.0f;
+  mixer1.gain( 0, pot2_val ); // feedback
+  mixer1.gain( 1, 1.0f );     // source audio
+
+  //Serial.print( old_pot1_val_raw / 1024.0f );
+  //Serial.print( "\t\t" );
+  //Serial.println( pot2_val );
+
+  delay(5);
+}

Workshop_part1/AudioSamplePiano_c3_44k.h

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+// Audio data converted from WAV file by wav2sketch
+
+extern const unsigned int AudioSamplePiano_c3_44k[54465];

Workshop_part1/Workshop_part1.ino

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+#include <Audio.h>
+#include <Bounce.h>
+#include <Wire.h>
+#include <SPI.h>
+#include <SD.h>
+#include <SerialFlash.h>
+
+#include "AudioSamplePiano_c3_44k.h"  // include the sample data for the piano sound
+
+const int BUTTON_PIN(0);
+
+Bounce button_bounce( BUTTON_PIN, 5 );     // 5ms debounce time
+
+// GUItool: begin automatically generated code
+AudioPlayMemory          playMem1;       //xy=113,154
+AudioOutputAnalog        dac1;           //xy=324,155
+AudioConnection          patchCord1(playMem1, dac1);
+// GUItool: end automatically generated code
+
+
+void setup()
+{
+  pinMode( BUTTON_PIN, INPUT_PULLUP ); // set the pin mode for the button and enable the pull up resistor
+
+  AudioMemory(10); // allocate some memory from the teensy audio libary (10 audio blocks)
+
+  Serial.begin(9600);
+
+  Serial.println("Setup complete");
+}
+
+void loop()
+{
+  // has the button state change?
+  if( button_bounce.update() )
+  {
+    // is the button pressed down
+    if( button_bounce.fallingEdge() )
+    {
+      Serial.println("Button down");
+
+      playMem1.play( AudioSamplePiano_c3_44k );
+    }
+  }
+}