Added software folder, soudn and MIDI library and arduino example code

Software/CFO/CFOMidi.h

@@ -0,0 +1,77 @@
+/* 
+ Midi.h - Music library
+ Copyright (c) 2012 Copenhagen Institute of Interaction Design. 
+ All right reserved.
+ 
+ This library is free software: you can redistribute it and/or modify
+ it under the terms of the GNU Lesser Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+ 
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ GNU Lesser Public License for more details.
+ 
+ You should have received a copy of the GNU Lesser Public License
+ along with Foobar.  If not, see <http://www.gnu.org/licenses/>.
+ 
+ +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+ + author: Jakob Bak
+ + contact: j.bak@ciid.dk
+ */
+
+//synth parameters as MIDI controller numbers
+#define ENV_ATTACK 4
+#define ENV_DECAY 5
+#define ENV_SUSTAIN 6
+#define ENV_RELEASE 7
+#define DETUNE 12
+#define WAVEFORM 13
+
+// Synth parameters used in MIDI code
+#define ENV_MAX_GAIN (65536 * 4 - 1) 
+
+
+class MMidi {
+public:
+	void init();
+	void checkMidi();
+	void midiHandler();
+	void noteOff(uint8_t channel, uint8_t note, uint8_t vel);
+	void noteOn(uint8_t channel, uint8_t note, uint8_t vel);
+	void aftertouch(uint8_t channel, uint8_t note, uint8_t pressure);
+	void controller(uint8_t channel, uint8_t number, uint8_t value);
+	void programChange(uint8_t channel, uint8_t number);
+	void channelPressure(uint8_t channel, uint8_t pressure);
+	void pitchWheel(uint8_t channel, uint8_t highBits, uint8_t lowBits);
+
+
+
+private:	
+	// MIDI
+	uint16_t midiBuffer[4];
+	int midiBufferIndex;
+	uint16_t frequency;
+	//uint32_t midiTime;
+	//bool midiNotePlayed;
+	
+	//synth
+	//bool noteTriggered;
+	//bool noteReleased;
+	//bool envSustainReached;
+	uint8_t notePlayed;
+	//uint16_t noteFrequency;
+	//uint8_t envGain; // maybe another name for the variable
+	//uint32_t envAttack;
+	//uint32_t envDecay;
+	//uint8_t envSustain;
+	//uint32_t envRelease;
+	//uint32_t envTime;
+	//uint32_t envTriggerTime;
+	//uint32_t envReleaseTime;
+	//uint32_t portamento;
+	
+};
+
+extern MMidi Midi;

Software/CFO/CFOMusic.cpp

@@ -0,0 +1,602 @@
+/* 
+ Music.cpp - Music library
+ Copyright (c) 2012 Copenhagen Institute of Interaction Design. 
+ All right reserved.
+ 
+ This library is free software: you can redistribute it and/or modify
+ it under the terms of the GNU Lesser Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+ 
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ GNU Lesser Public License for more details.
+ 
+ You should have received a copy of the GNU Lesser Public License
+ along with Foobar.  If not, see <http://www.gnu.org/licenses/>.
+ 
+ +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+ + author: Jakob Bak
+ + contact: j.bak@ciid.dk
+ */
+
+#include <avr/interrupt.h>
+#include <avr/pgmspace.h> 
+
+#include <CFOWavetable.h>
+#include <CFOMusic.h>
+#include <hardwareSerial.h>
+
+// Table of MIDI note values to frequency in Hertz
+prog_uint16_t hertsTable[] PROGMEM = {8,8,9,9,10,10,11,12,12,13,14,15,16,17,18,19,20,21,23,24,25,27,29,30,32,34,36,38,41,43,46,48,51,54,58,61,65,69,73,77,82,87,92,97,103,109,116,123,130,138,146,155,164,174,184,195,207,219,233,246,261,277,293,311,329,349,369,391,415,440,466,493,523,554,587,622,659,698,739,783,830,880,932,987,1046,1108,1174,1244,1318,1396,1479,1567,1661,1760,1864,1975,2093,2217,2349,2489,2637,2793,2959,3135,3322,3520,3729,3951,4186,4434,4698,4978,5274,5587,5919,6271,6644,7040,7458,7902,8372,8869,9397,9956,10548,11175,11839,12543};
+
+prog_uint32_t envTimeTable[] PROGMEM = {1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,33,34,35,36,37,38,39,41,42,43,45,46,48,49,51,53,55,57,59,61,63,65,67,70,73,75,78,81,85,88,92,96,100,104,109,114,119,125,131,138,146,154,163,172,183,195,209,225,242,261,284,310,341,379,425,482,556,654,792,998,1342,2030,4095};
+
+CFOMusic Music;
+
+// Defining which pins the SPI interface is connected to.
+#define SPI_SCK 5
+#define SPI_MOSI 3
+
+// timer 2 is audio interrupt timer
+ISR(TIMER2_COMPA_vect) {
+	
+	OCR2A = 127;
+	
+	Music.synthInterrupt();
+	
+}
+
+
+
+
+/////////////////////////////////////
+//
+//	INITIALIZING FUNCTION
+//
+/////////////////////////////////////
+
+void CFOMusic::init()
+{
+	// clear interrupts. to make sure the interrupt timer doesn't start until we've set it up.
+	cli();
+	
+	// set up syntheziser
+	// this is the timer 2 audio rate timer, fires an interrupt at 15625 Hz sampling rate
+	TIMSK2 = 1<<OCIE2A;                      // interrupt enable audio timer
+	OCR2A = 127;
+	TCCR2A = 2;                              // CTC mode, counts up to 127 then resets
+	TCCR2B = 0<<CS22 | 1<<CS21 | 0<<CS20;
+	
+	// set up SPI port
+	SPCR = 0x50;
+	SPSR = 0x01;
+	
+	
+	// OUTPUTS
+	// sck + mosi + ss
+	DDRB = (1 << DDB2) | (1 << DDB3) | (1 << DDB5);
+	// dac_cs output
+	//DDRB = (1 << DDB2);
+		
+	
+	// DAC frame sync HIGH, so that the SPI port doesn't start wirting straight away
+	PORTB |= (1<<2);
+	
+	// waveform setup
+	setSine();
+	
+	// frequency setup
+	setFrequency(110);
+	setDetune(0);
+	
+	// gain setup
+	setGain(1.0f);
+	setGain1(1.0f);
+	setGain2(1.0f);
+	setGain3(1.0f);
+	
+	// envelope setup
+	setEnvStage(0);
+	disableEnvelope();
+	env = 0;
+	
+	setAttack(4);
+	setDecay(90);
+	setSustain(32);
+	setRelease(64);
+	setVelSustain(0);
+	
+	sei(); // global interrupt enable 
+	
+	Serial.println("MUSIC INITIALIZED!");
+}
+
+
+
+
+/////////////////////////////////////
+//
+//	FREQUENCY AND DETUNE FUNCTIONS
+//
+/////////////////////////////////////
+
+void CFOMusic::setFrequency(float freq)
+{
+	period1 = uint16_t(((freq * (1 + detune1 + bend)) * 65536.0) / SAMPLE_RATE);
+	period2 = uint16_t(((freq * (1 + detune2 + bend)) * 65536.0) / SAMPLE_RATE);
+	period3 = uint16_t(((freq * (1 + detune3 + bend)) * 65536.0) / SAMPLE_RATE);
+	frequency = freq;
+	frequency1 = freq;
+	frequency2 = freq;
+	frequency3 = freq;
+}
+
+
+void CFOMusic::setFrequency1(float freq)
+{
+	period1 = uint16_t(((freq * (1 + detune1 + bend)) * 65536.0) / SAMPLE_RATE);
+	frequency1 = freq;
+}
+
+
+void CFOMusic::setFrequency2(float freq)
+{
+	period2 = uint16_t(((freq * (1 + detune2 + bend)) * 65536.0) / SAMPLE_RATE);
+	frequency2 = freq;
+}
+
+
+void CFOMusic::setFrequency3(float freq)
+{
+	period3 = uint16_t(((freq * (1 + detune3 + bend)) * 65536.0) / SAMPLE_RATE);
+	frequency3 = freq;
+}
+
+
+void CFOMusic::setDetune(float detune)
+{
+	detune1 = 0.0;
+	detune2 = detune;
+	detune3 = -detune;
+	period2 = uint16_t(((frequency2 * (1 + detune2 + bend)) * 65536.0) / SAMPLE_RATE);
+	period3 = uint16_t(((frequency3 * (1 + detune3 + bend)) * 65536.0) / SAMPLE_RATE);
+}
+
+
+void CFOMusic::setDetune1(float detune)
+{
+	detune1 = detune;
+	period1 = uint16_t(((frequency1 * (1 + detune1 + bend)) * 65536.0) / SAMPLE_RATE);
+}
+
+
+void CFOMusic::setDetune2(float detune)
+{
+	detune2 = detune;
+	period2 = uint16_t(((frequency2 * (1 + detune2 + bend)) * 65536.0) / SAMPLE_RATE);
+}
+
+
+void CFOMusic::setDetune3(float detune)
+{
+	detune3 = detune;
+	period3 = uint16_t(((frequency3 * (1 + detune3 + bend)) * 65536.0) / SAMPLE_RATE);
+}
+
+void CFOMusic::pitchBend(float b)
+{
+	bend = b;
+	period1 = uint16_t(((frequency1 * (1 + detune1 + bend)) * 65536.0) / SAMPLE_RATE);
+	period2 = uint16_t(((frequency2 * (1 + detune2 + bend)) * 65536.0) / SAMPLE_RATE);
+	period3 = uint16_t(((frequency3 * (1 + detune3 + bend)) * 65536.0) / SAMPLE_RATE);	
+}
+
+
+
+/////////////////////////////////////
+//
+//	OSCILLATOR FUNCTIONS
+//
+/////////////////////////////////////
+
+
+void CFOMusic::setSine() 
+{
+	sine = true;
+	saw = false;
+	square = false;
+	waveForm = 0;
+}
+
+
+void CFOMusic::setSaw()
+{
+	sine = false;
+	saw = true;
+	square = false;
+	waveForm = 1;
+}
+
+
+void CFOMusic::setSquare()
+{
+	sine = false;
+	saw = false;
+	square = true;
+	waveForm = 2;
+}
+
+
+
+/////////////////////////////////////
+//
+//	OVERALL GAIN FUNCTIONS
+//
+/////////////////////////////////////
+
+
+void CFOMusic::setGainFloat(float value)
+{
+	gain = uint16_t(value * 65535);
+	gain1 = gain;
+	gain2 = gain;
+	gain3 = gain;
+}
+
+
+void CFOMusic::setGain16bit(uint16_t value)
+{
+	gain = value;
+	gain1 = value;
+	gain2 = value;
+	gain3 = value;
+}
+
+
+void CFOMusic::setGain(float value)
+{
+	gain = uint16_t(value * 65535);
+	gain1 = gain;
+	gain2 = gain;
+	gain3 = gain;
+}
+
+
+void CFOMusic::setGain(uint16_t value)
+{
+	gain = value;
+	gain1 = value;
+	gain2 = value;
+	gain3 = value;
+}
+
+
+
+/////////////////////////////////////
+//
+//	INDIVIDUAL GAIN FUNCTIONS
+//
+/////////////////////////////////////
+
+
+void CFOMusic::setGain1(float value)
+{
+	gain1 = uint16_t(value * 65535);
+}
+
+
+void CFOMusic::setGain2(float value)
+{
+	gain2 = uint16_t(value * 65535);
+}
+
+
+void CFOMusic::setGain3(float value)
+{
+	gain3 = uint16_t(value * 65535);
+}
+
+
+void CFOMusic::setGain1(uint16_t value)
+{
+	gain1 = value;
+}
+
+
+void CFOMusic::setGain2(uint16_t value)
+{
+	gain2 = value;
+}
+
+
+void CFOMusic::setGain3(uint16_t value)
+{
+	gain3 = value;
+}
+
+
+float CFOMusic::getGainFloat()
+{
+	return float(gain);
+}
+
+
+uint16_t CFOMusic::getGain()
+{
+	return gain;
+}
+
+
+
+
+/////////////////////////////////////
+//
+//	NOTE FUNCTIONS
+//
+/////////////////////////////////////
+
+
+void CFOMusic::noteOn(uint8_t note, uint8_t vel)
+{	
+	envStage = 1;
+	velSustain = vel * (sustain/128);
+	notePlayed = note;
+	memcpy_P(&frequency16bit, &hertsTable[notePlayed],2);
+	setFrequency1(frequency16bit);
+	setFrequency2(frequency16bit);
+	setFrequency3(frequency16bit);
+}
+
+
+void CFOMusic::noteOn(uint8_t note)
+{	
+	envStage = 1;
+	velSustain = sustain;
+	notePlayed = note;
+	memcpy_P(&frequency16bit, &hertsTable[notePlayed],2);
+	setFrequency1(frequency16bit);
+	setFrequency2(frequency16bit);
+	setFrequency3(frequency16bit);
+}
+
+
+void CFOMusic::noteOff(uint8_t note)
+{	
+	if(notePlayed == note) {
+		envStage = 4;
+	}    
+}
+
+
+void CFOMusic::noteOff()
+{	
+	envStage = 4;
+}
+
+
+uint16_t CFOMusic::getNoteFrequency(uint8_t note)
+{
+	if(note > 127) note = 127;
+	uint16_t freq;
+	memcpy_P(&freq, &hertsTable[note],2);
+	return freq;
+}
+
+
+
+/////////////////////////////////////
+//
+//	ENVELOPE FUNCTIONS
+//
+/////////////////////////////////////
+
+void CFOMusic::enableEnvelope()
+{
+	envelopeOn = true;
+}
+
+
+void CFOMusic::disableEnvelope()
+{
+	envelopeOn = false;
+}
+
+
+void CFOMusic::setEnvStage(uint8_t stage)
+{
+	envStage = stage;
+}
+
+
+void CFOMusic::setAttack16bit(uint16_t att)
+{
+	attack = att;
+}
+
+
+void CFOMusic::setDecay16bit(uint16_t dec)
+{
+	decay = dec;
+}
+
+
+void CFOMusic::setSustain16bit(uint16_t sus)
+{
+	sustain = sus;
+}
+
+
+void CFOMusic::setRelease16bit(uint16_t rel)
+{
+	release = rel;
+}
+
+
+void CFOMusic::setAttack(uint8_t att)
+{
+	if(att>127) att = 127;
+	memcpy_P(&attack, &envTimeTable[127 - att],2);
+	//attack = envTimeTable[127 - att];
+}
+
+
+void CFOMusic::setDecay(uint8_t dec)
+{
+	if(dec>127) dec = 127;
+	memcpy_P(&decay, &envTimeTable[127 - dec],2);
+	//decay = envTimeTable[127 - dec];
+}
+
+
+void CFOMusic::setSustain(uint8_t sus)
+{
+	sustain = sus * (MAX_ENV_GAIN/128);	
+}
+
+
+void CFOMusic::setRelease(uint8_t rel)
+{
+	if(rel>127) rel = 127;
+	memcpy_P(&release, &envTimeTable[127 - rel],2);
+	//release = envTimeTable[127 - rel];
+}
+
+
+void CFOMusic::setVelSustain(uint8_t vel)
+{
+	velSustain = vel * (sustain / 128);	
+}
+
+
+
+
+/////////////////////////////////////
+//
+//	AUDIO INTERRUPT SERVICE ROUTINE
+//
+/////////////////////////////////////
+
+
+void CFOMusic::synthInterrupt()
+{
+	// Frame sync low for SPI (making it low here so that we can measure lenght of interrupt with scope)
+	PORTB &= ~(1<<2);
+	
+	// The accumulator (16bit) keeps track of the pitch by adding the 
+	// the amount of "index" points that the frequency has "travelled" 
+	// since the last sample was sent to the DAC, i.e. the current phase
+	// of the waveform.
+	accumulator1 = accumulator1 + period1;
+	accumulator2 = accumulator2 + period2;
+	accumulator3 = accumulator3 + period3;
+
+	// To use the accumulator position to find the right index in the 
+	// waveform look-up table, we truncate it to 12bit.
+	index1 = accumulator1 >> 4;
+	index2 = accumulator2 >> 4;
+	index3 = accumulator3 >> 4;
+	
+	// SINE WAVE
+	// Because the waveform look-up table resides in program memory
+	// we most use memcpy_P to copy the data from that table to our
+	// oscilator variable.
+	if(sine) {
+		memcpy_P(&oscil1, &sineTable[index1],2);
+		memcpy_P(&oscil2, &sineTable[index2],2);
+		memcpy_P(&oscil3, &sineTable[index3],2);
+	}
+
+	// SAWTOOTH WAVE
+	// Just using the index for the oscillator produces a sawtooth shaped waveform
+	else if(saw) {
+		oscil1 = index1;
+		oscil2 = index2;
+		oscil3 = index3;
+	}
+	
+	// SQUARE WAVE
+	else if(square) {
+		oscil1 = index1;
+		oscil2 = index2;
+		oscil3 = index3;
+		oscil1 &= 0x0800;
+		oscil1 ^= 0x0100;
+		oscil2 &= 0x0800;
+		oscil2 ^= 0x0100;
+		oscil3 &= 0x0800;
+		oscil3 ^= 0x0100;
+	}
+	
+	// The DAC formatting routine below assumes the sample to be transmitted
+	// is in the higher 12 bits of the 2 byte variable, so we shift the 
+	// sample up 2 bits each which adds up to 4 bits.
+	// The individual gains for each oscillator is added.
+	sample = (oscil1 * gain1) << 2; 
+	sample += (oscil2 * gain2) << 2; 
+	sample += (oscil3 * gain3) << 2; 
+	sample >>= 16;
+	
+
+	// AMPLIFICATION ENVELOPE
+	// Amplification envelope is calculated here
+	if(envelopeOn) {
+		
+		if(envStage == 1) {
+			env += attack;
+			if(MAX_ENV_GAIN < env) {
+				env = MAX_ENV_GAIN;
+				envStage = 2;
+			}
+		}
+		else if(envStage == 2) {
+			env -= decay;
+			if(env < velSustain || MAX_ENV_GAIN < env) {
+				env = velSustain;
+				envStage = 3;
+			}
+		}
+		else if (envStage == 3) {
+			env = velSustain;
+		}
+		else if (envStage == 4) {
+			env -= release;
+			if(MAX_ENV_GAIN < env) {
+				env = 0;
+				envStage = 0;
+			}
+		}
+		else if (envStage == 0) {
+			env = 0;
+			accumulator1 = 0;
+			accumulator2 = 0;
+			accumulator3 = 0;
+		}
+		
+	} else {
+		env = 65535;
+	}
+
+	// Adding the amplification envelope (16bit) we bring it back to the 16bit frame again afterwards.
+	sample = (env * sample) >> 16;
+	
+	
+	// Formatting the samples to be transfered to the MCP4921 DAC  
+	dacSPI0 = sample >> 8;
+	dacSPI0 >>= 4;
+	dacSPI0 |= 0x30;
+	dacSPI1 = sample >> 4;
+	
+	SPCR |= (1 << MSTR);
+	
+	// transmit value out the SPI port
+	SPDR = dacSPI0;
+	while (!(SPSR & (1<<SPIF)));  // Maybe this can be optimised
+	SPDR = dacSPI1;
+	while (!(SPSR & (1<<SPIF)));  // Maybe this can be optimised
+	
+	// Frame sync high
+	PORTB |= (1<<2);
+	
+}

Software/CFO/CFOMusic.h

@@ -0,0 +1,159 @@
+/* 
+ Music.h - Music library
+ Copyright (c) 2012 Copenhagen Institute of Interaction Design. 
+ All right reserved.
+ 
+ This library is free software: you can redistribute it and/or modify
+ it under the terms of the GNU Lesser Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+ 
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ GNU Lesser Public License for more details.
+ 
+ You should have received a copy of the GNU Lesser Public License
+ along with Foobar.  If not, see <http://www.gnu.org/licenses/>.
+ 
+ +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+ + author: Jakob Bak
+ + contact: j.bak@ciid.dk
+ */
+
+
+// current sample rate is 15625 as defined in the init() section
+#define SAMPLE_RATE 15625
+
+// Number of oscillators. Set not higher than 4.
+#define NUM_OSCILLATORS 2
+
+// Maximum possible value for amplification envelope
+#define MAX_ENV_GAIN 65535
+
+class CFOMusic {    
+public:
+	
+	// INITIALIZER
+    void init();
+
+	// AUDIO INTERRUPT SERVICE ROUTINE
+	void synthInterrupt();
+		
+	// FREQUENCY AND DETUNE FUNCTIONS
+	void setFrequency(float frequency);
+	void setFrequency1(float frequency1);
+	void setFrequency2(float frequency2);
+	void setFrequency3(float frequency3);
+	void setDetune(float detune);
+	void setDetune1(float detune);
+	void setDetune2(float detune);
+	void setDetune3(float detune);
+	void pitchBend(float b);
+	
+	// WAVEFORM FUNCTIONS
+	void setSine();
+	void setSaw();
+	void setSquare();
+	
+	// GAIN FUNCTIONS
+	void setGainFloat(float value); // 0.0 - 1.0
+	void setGain16bit(uint16_t value); // 0 - 65535
+	void setGain(uint16_t value); // 0 - 65535
+	void setGain(float value); // 0.0 - 1.0
+	void setGain1(uint16_t value); // 0 - 65535 
+	void setGain2(uint16_t value); // 0 - 65535
+	void setGain3(uint16_t value); // 0 - 65535
+	void setGain1(float value); // 0.0 - 1.0 
+	void setGain2(float value); // 0.0 - 1.0
+	void setGain3(float value); // 0.0 - 1.0
+	float getGainFloat();
+	uint16_t getGain();
+
+	// NOTE FUNCTIONS
+	void noteOn(uint8_t note, uint8_t vel); // 0 - 127
+	void noteOn(uint8_t note); // 0 - 127
+	void noteOff(uint8_t note); // 0 - 127
+	void noteOff();
+	uint16_t getNoteFrequency(uint8_t note); // 0 - 127
+	
+	// ENVELOPE FUNCTIONS
+	void enableEnvelope();
+	void disableEnvelope();
+	void setEnvStage(uint8_t stage); // 0 - 4
+	
+	void setAttack16bit(uint16_t att); // 0 - 65535
+	void setDecay16bit(uint16_t dec); // 0 - 65535
+	void setSustain16bit(uint16_t sus); // 0 - 65535
+	void setRelease16bit(uint16_t rel); // 0 - 65535
+	
+	void setAttack(uint8_t att); // 0 - 127
+	void setDecay(uint8_t dec); // 0 - 127
+	void setSustain(uint8_t sus); // 0 - 127
+	void setRelease(uint8_t rel); // 0 - 127	
+	
+	void setVelSustain(uint8_t vel); // 0 -255
+
+	
+	
+private:
+	
+	// WAVEFORM VARIABLES
+	uint8_t waveForm;
+	bool sine;
+	bool saw;
+	bool square;
+	
+	// FREQUENCY VARIABLES
+	uint16_t period1;
+	uint16_t period2;
+	uint16_t period3;
+	uint16_t frequency16bit;
+	float frequency;
+	float frequency1;
+	float frequency2;
+	float frequency3;
+	float detune1;
+	float detune2;
+	float detune3;
+	float bend;
+	
+	// OSCILLATOR VARIABLES
+	uint16_t accumulator1;
+	uint16_t accumulator2;
+	uint16_t accumulator3;
+	uint16_t index1;
+	uint16_t index2;
+	uint16_t index3;
+	uint32_t oscil1;
+	uint32_t oscil2;
+	uint32_t oscil3;
+	uint16_t gain;
+	uint16_t gain1;
+	uint16_t gain2;
+	uint16_t gain3;
+	
+	// ENVELOPE VARIABLES
+	bool envelopeOn;
+	uint32_t env;
+	uint8_t envStage;
+	
+	uint16_t attack;
+	uint16_t decay;
+	uint16_t sustain;
+	uint16_t release;
+	uint16_t velSustain;
+	
+	// NOTE VARIABLE
+	uint8_t notePlayed;
+	
+	// final sample that goes to the DAC    
+	uint32_t sample;
+	
+	// the two bytes that go to the DAC over SPI
+	uint8_t dacSPI0;
+	uint8_t dacSPI1;
+    
+};
+
+extern CFOMusic Music;

Software/CFO/CFOWavetable.h

@@ -0,0 +1,289 @@
+/* 
+ Music.h - Music library
+ Copyright (c) 2012 Copenhagen Institute of Interaction Design. 
+ All right reserved.
+ 
+ This library is free software: you can redistribute it and/or modify
+ it under the terms of the GNU Lesser Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+ 
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ GNU Lesser Public License for more details.
+ 
+ You should have received a copy of the GNU Lesser Public License
+ along with Foobar.  If not, see <http://www.gnu.org/licenses/>.
+ 
+ +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+ + author: Jakob Bak
+ + contact: j.bak@ciid.dk
+ */
+
+//uint32_t envTimeTable[] = {1,2,5,8,11,14,18,22,27,31,36,41,46,52,58,64,70,76,82,89,96,103,110,117,125,132,140,148,156,164,172,181,189,198,207,216,225,234,243,252,262,272,281,291,301,311,322,332,343,353,364,374,385,396,407,419,430,441,453,464,476,488,500,512,524,536,548,560,573,585,598,610,623,636,649,662,675,688,702,715,729,742,756,769,783,797,811,825,839,853,868,882,896,911,925,940,955,970,985,1000,1015,1030,1045,1060,1075,1091,1106,1122,1137,1153,1169,1185,1201,1217,1233,1249,1265,1281,1298,1314,1331,1347,1364,1380,1397,1414,1431,1448,1465,1482,1499,1516,1533,1551,1568,1586,1603,1621,1638,1656,1674,1692,1710,1728,1746,1764,1782,1800,1818,1837,1855,1873,1892,1911,1929,1948,1967,1986,2004,2023,2042,2061,2081,2100,2119,2138,2158,2177,2197,2216,2236,2255,2275,2295,2315,2334,2354,2374,2394,2414,2435,2455,2475,2495,2516,2536,2557,2577,2598,2618,2639,2660,2681,2702,2723,2744,2765,2786,2807,2828,2849,2870,2892,2913,2935,2956,2978,2999,3021,3043,3064,3086,3108,3130,3152,3174,3196,3218,3240,3263,3285,3307,3330,3352,3375,3397,3420,3442,3465,3488,3510,3533,3556,3579,3602,3625,3648,3671,3694,3718,3741,3764,3787,3811,3834,3858,3881,3905,3929,3952,3976,4000,4024,4048,4072,4095};
+
+//prog_uint16_t hertzTable[] PROGMEM = {8,8,9,9,10,10,11,12,12,13,14,15,16,17,18,19,20,21,23,24,25,27,29,30,32,34,36,38,41,43,46,48,51,54,58,61,65,69,73,77,82,87,92,97,103,109,116,123,130,138,146,155,164,174,184,195,207,219,233,246,261,277,293,311,329,349,369,391,415,440,466,493,523,554,587,622,659,698,739,783,830,880,932,987,1046,1108,1174,1244,1318,1396,1479,1567,1661,1760,1864,1975,2093,2217,2349,2489,2637,2793,2959,3135,3322,3520,3729,3951,4186,4434,4698,4978,5274,5587,5919,6271,6644,7040,7458,7902,8372,8869,9397,9956,10548,11175,11839,12543};
+
+// Look-up table for sine waveform in 12 bit resolution in
+// both amplitude and time.
+
+prog_uint16_t sineTable[] PROGMEM ={
+	
+	0x7FF, 0x802, 0x806, 0x809, 0x80C, 0x80F, 0x812, 0x815, 0x818, 0x81C, 0x81F, 0x822, 0x825, 0x828, 0x82B, 0x82E,
+	0x832, 0x835, 0x838, 0x83B, 0x83E, 0x841, 0x844, 0x847, 0x84B, 0x84E, 0x851, 0x854, 0x857, 0x85A, 0x85D, 0x861,
+	0x864, 0x867, 0x86A, 0x86D, 0x870, 0x873, 0x877, 0x87A, 0x87D, 0x880, 0x883, 0x886, 0x889, 0x88C, 0x890, 0x893,
+	0x896, 0x899, 0x89C, 0x89F, 0x8A2, 0x8A6, 0x8A9, 0x8AC, 0x8AF, 0x8B2, 0x8B5, 0x8B8, 0x8BB, 0x8BF, 0x8C2, 0x8C5,
+	0x8C8, 0x8CB, 0x8CE, 0x8D1, 0x8D4, 0x8D8, 0x8DB, 0x8DE, 0x8E1, 0x8E4, 0x8E7, 0x8EA, 0x8ED, 0x8F1, 0x8F4, 0x8F7,
+	0x8FA, 0x8FD, 0x900, 0x903, 0x906, 0x909, 0x90D, 0x910, 0x913, 0x916, 0x919, 0x91C, 0x91F, 0x922, 0x926, 0x929,
+	0x92C, 0x92F, 0x932, 0x935, 0x938, 0x93B, 0x93E, 0x941, 0x945, 0x948, 0x94B, 0x94E, 0x951, 0x954, 0x957, 0x95A,
+	0x95D, 0x960, 0x964, 0x967, 0x96A, 0x96D, 0x970, 0x973, 0x976, 0x979, 0x97C, 0x97F, 0x982, 0x985, 0x989, 0x98C,
+	0x98F, 0x992, 0x995, 0x998, 0x99B, 0x99E, 0x9A1, 0x9A4, 0x9A7, 0x9AA, 0x9AE, 0x9B1, 0x9B4, 0x9B7, 0x9BA, 0x9BD,
+	0x9C0, 0x9C3, 0x9C6, 0x9C9, 0x9CC, 0x9CF, 0x9D2, 0x9D5, 0x9D8, 0x9DB, 0x9DF, 0x9E2, 0x9E5, 0x9E8, 0x9EB, 0x9EE,
+	0x9F1, 0x9F4, 0x9F7, 0x9FA, 0x9FD, 0xA00, 0xA03, 0xA06, 0xA09, 0xA0C, 0xA0F, 0xA12, 0xA15, 0xA18, 0xA1B, 0xA1E,
+	0xA21, 0xA24, 0xA27, 0xA2A, 0xA2E, 0xA31, 0xA34, 0xA37, 0xA3A, 0xA3D, 0xA40, 0xA43, 0xA46, 0xA49, 0xA4C, 0xA4F,
+	0xA52, 0xA55, 0xA58, 0xA5B, 0xA5E, 0xA61, 0xA64, 0xA67, 0xA6A, 0xA6D, 0xA70, 0xA73, 0xA76, 0xA79, 0xA7C, 0xA7F,
+	0xA82, 0xA85, 0xA88, 0xA8B, 0xA8E, 0xA90, 0xA93, 0xA96, 0xA99, 0xA9C, 0xA9F, 0xAA2, 0xAA5, 0xAA8, 0xAAB, 0xAAE,
+	0xAB1, 0xAB4, 0xAB7, 0xABA, 0xABD, 0xAC0, 0xAC3, 0xAC6, 0xAC9, 0xACC, 0xACF, 0xAD2, 0xAD4, 0xAD7, 0xADA, 0xADD,
+	0xAE0, 0xAE3, 0xAE6, 0xAE9, 0xAEC, 0xAEF, 0xAF2, 0xAF5, 0xAF8, 0xAFB, 0xAFD, 0xB00, 0xB03, 0xB06, 0xB09, 0xB0C,
+	0xB0F, 0xB12, 0xB15, 0xB18, 0xB1A, 0xB1D, 0xB20, 0xB23, 0xB26, 0xB29, 0xB2C, 0xB2F, 0xB32, 0xB34, 0xB37, 0xB3A,
+	0xB3D, 0xB40, 0xB43, 0xB46, 0xB49, 0xB4B, 0xB4E, 0xB51, 0xB54, 0xB57, 0xB5A, 0xB5D, 0xB5F, 0xB62, 0xB65, 0xB68,
+	0xB6B, 0xB6E, 0xB70, 0xB73, 0xB76, 0xB79, 0xB7C, 0xB7F, 0xB81, 0xB84, 0xB87, 0xB8A, 0xB8D, 0xB90, 0xB92, 0xB95,
+	0xB98, 0xB9B, 0xB9E, 0xBA0, 0xBA3, 0xBA6, 0xBA9, 0xBAC, 0xBAE, 0xBB1, 0xBB4, 0xBB7, 0xBB9, 0xBBC, 0xBBF, 0xBC2,
+	0xBC5, 0xBC7, 0xBCA, 0xBCD, 0xBD0, 0xBD2, 0xBD5, 0xBD8, 0xBDB, 0xBDD, 0xBE0, 0xBE3, 0xBE6, 0xBE8, 0xBEB, 0xBEE,
+	0xBF1, 0xBF3, 0xBF6, 0xBF9, 0xBFB, 0xBFE, 0xC01, 0xC04, 0xC06, 0xC09, 0xC0C, 0xC0F, 0xC11, 0xC14, 0xC17, 0xC19,
+	0xC1C, 0xC1F, 0xC21, 0xC24, 0xC27, 0xC29, 0xC2C, 0xC2F, 0xC31, 0xC34, 0xC37, 0xC39, 0xC3C, 0xC3F, 0xC41, 0xC44,
+	0xC47, 0xC49, 0xC4C, 0xC4F, 0xC51, 0xC54, 0xC57, 0xC59, 0xC5C, 0xC5F, 0xC61, 0xC64, 0xC66, 0xC69, 0xC6C, 0xC6E,
+	0xC71, 0xC74, 0xC76, 0xC79, 0xC7B, 0xC7E, 0xC81, 0xC83, 0xC86, 0xC88, 0xC8B, 0xC8D, 0xC90, 0xC93, 0xC95, 0xC98,
+	0xC9A, 0xC9D, 0xC9F, 0xCA2, 0xCA5, 0xCA7, 0xCAA, 0xCAC, 0xCAF, 0xCB1, 0xCB4, 0xCB6, 0xCB9, 0xCBC, 0xCBE, 0xCC1,
+	0xCC3, 0xCC6, 0xCC8, 0xCCB, 0xCCD, 0xCD0, 0xCD2, 0xCD5, 0xCD7, 0xCDA, 0xCDC, 0xCDF, 0xCE1, 0xCE4, 0xCE6, 0xCE9,
+	0xCEB, 0xCEE, 0xCF0, 0xCF3, 0xCF5, 0xCF7, 0xCFA, 0xCFC, 0xCFF, 0xD01, 0xD04, 0xD06, 0xD09, 0xD0B, 0xD0D, 0xD10,
+	0xD12, 0xD15, 0xD17, 0xD1A, 0xD1C, 0xD1E, 0xD21, 0xD23, 0xD26, 0xD28, 0xD2A, 0xD2D, 0xD2F, 0xD32, 0xD34, 0xD36,
+	0xD39, 0xD3B, 0xD3E, 0xD40, 0xD42, 0xD45, 0xD47, 0xD49, 0xD4C, 0xD4E, 0xD50, 0xD53, 0xD55, 0xD57, 0xD5A, 0xD5C,
+	0xD5E, 0xD61, 0xD63, 0xD65, 0xD68, 0xD6A, 0xD6C, 0xD6F, 0xD71, 0xD73, 0xD76, 0xD78, 0xD7A, 0xD7C, 0xD7F, 0xD81,
+	0xD83, 0xD86, 0xD88, 0xD8A, 0xD8C, 0xD8F, 0xD91, 0xD93, 0xD95, 0xD98, 0xD9A, 0xD9C, 0xD9E, 0xDA1, 0xDA3, 0xDA5,
+	0xDA7, 0xDA9, 0xDAC, 0xDAE, 0xDB0, 0xDB2, 0xDB4, 0xDB7, 0xDB9, 0xDBB, 0xDBD, 0xDBF, 0xDC2, 0xDC4, 0xDC6, 0xDC8,
+	0xDCA, 0xDCC, 0xDCF, 0xDD1, 0xDD3, 0xDD5, 0xDD7, 0xDD9, 0xDDC, 0xDDE, 0xDE0, 0xDE2, 0xDE4, 0xDE6, 0xDE8, 0xDEA,
+	0xDED, 0xDEF, 0xDF1, 0xDF3, 0xDF5, 0xDF7, 0xDF9, 0xDFB, 0xDFD, 0xDFF, 0xE01, 0xE04, 0xE06, 0xE08, 0xE0A, 0xE0C,
+	0xE0E, 0xE10, 0xE12, 0xE14, 0xE16, 0xE18, 0xE1A, 0xE1C, 0xE1E, 0xE20, 0xE22, 0xE24, 0xE26, 0xE28, 0xE2A, 0xE2C,
+	0xE2E, 0xE30, 0xE32, 0xE34, 0xE36, 0xE38, 0xE3A, 0xE3C, 0xE3E, 0xE40, 0xE42, 0xE44, 0xE46, 0xE48, 0xE4A, 0xE4C,
+	0xE4E, 0xE50, 0xE51, 0xE53, 0xE55, 0xE57, 0xE59, 0xE5B, 0xE5D, 0xE5F, 0xE61, 0xE63, 0xE65, 0xE66, 0xE68, 0xE6A,
+	0xE6C, 0xE6E, 0xE70, 0xE72, 0xE73, 0xE75, 0xE77, 0xE79, 0xE7B, 0xE7D, 0xE7F, 0xE80, 0xE82, 0xE84, 0xE86, 0xE88,
+	0xE89, 0xE8B, 0xE8D, 0xE8F, 0xE91, 0xE92, 0xE94, 0xE96, 0xE98, 0xE9A, 0xE9B, 0xE9D, 0xE9F, 0xEA1, 0xEA2, 0xEA4,
+	0xEA6, 0xEA8, 0xEA9, 0xEAB, 0xEAD, 0xEAF, 0xEB0, 0xEB2, 0xEB4, 0xEB5, 0xEB7, 0xEB9, 0xEBB, 0xEBC, 0xEBE, 0xEC0,
+	0xEC1, 0xEC3, 0xEC5, 0xEC6, 0xEC8, 0xECA, 0xECB, 0xECD, 0xECF, 0xED0, 0xED2, 0xED4, 0xED5, 0xED7, 0xED8, 0xEDA,
+	0xEDC, 0xEDD, 0xEDF, 0xEE0, 0xEE2, 0xEE4, 0xEE5, 0xEE7, 0xEE8, 0xEEA, 0xEEC, 0xEED, 0xEEF, 0xEF0, 0xEF2, 0xEF3,
+	0xEF5, 0xEF7, 0xEF8, 0xEFA, 0xEFB, 0xEFD, 0xEFE, 0xF00, 0xF01, 0xF03, 0xF04, 0xF06, 0xF07, 0xF09, 0xF0A, 0xF0C,
+	0xF0D, 0xF0F, 0xF10, 0xF12, 0xF13, 0xF15, 0xF16, 0xF17, 0xF19, 0xF1A, 0xF1C, 0xF1D, 0xF1F, 0xF20, 0xF22, 0xF23,
+	0xF24, 0xF26, 0xF27, 0xF29, 0xF2A, 0xF2B, 0xF2D, 0xF2E, 0xF30, 0xF31, 0xF32, 0xF34, 0xF35, 0xF36, 0xF38, 0xF39,
+	0xF3A, 0xF3C, 0xF3D, 0xF3E, 0xF40, 0xF41, 0xF42, 0xF44, 0xF45, 0xF46, 0xF48, 0xF49, 0xF4A, 0xF4B, 0xF4D, 0xF4E,
+	0xF4F, 0xF51, 0xF52, 0xF53, 0xF54, 0xF56, 0xF57, 0xF58, 0xF59, 0xF5B, 0xF5C, 0xF5D, 0xF5E, 0xF5F, 0xF61, 0xF62,
+	0xF63, 0xF64, 0xF66, 0xF67, 0xF68, 0xF69, 0xF6A, 0xF6B, 0xF6D, 0xF6E, 0xF6F, 0xF70, 0xF71, 0xF72, 0xF74, 0xF75,
+	0xF76, 0xF77, 0xF78, 0xF79, 0xF7A, 0xF7B, 0xF7C, 0xF7E, 0xF7F, 0xF80, 0xF81, 0xF82, 0xF83, 0xF84, 0xF85, 0xF86,
+	0xF87, 0xF88, 0xF89, 0xF8A, 0xF8B, 0xF8D, 0xF8E, 0xF8F, 0xF90, 0xF91, 0xF92, 0xF93, 0xF94, 0xF95, 0xF96, 0xF97,
+	0xF98, 0xF99, 0xF9A, 0xF9B, 0xF9C, 0xF9D, 0xF9D, 0xF9E, 0xF9F, 0xFA0, 0xFA1, 0xFA2, 0xFA3, 0xFA4, 0xFA5, 0xFA6,
+	0xFA7, 0xFA8, 0xFA9, 0xFAA, 0xFAA, 0xFAB, 0xFAC, 0xFAD, 0xFAE, 0xFAF, 0xFB0, 0xFB1, 0xFB1, 0xFB2, 0xFB3, 0xFB4,
+	0xFB5, 0xFB6, 0xFB6, 0xFB7, 0xFB8, 0xFB9, 0xFBA, 0xFBB, 0xFBB, 0xFBC, 0xFBD, 0xFBE, 0xFBF, 0xFBF, 0xFC0, 0xFC1,
+	0xFC2, 0xFC2, 0xFC3, 0xFC4, 0xFC5, 0xFC5, 0xFC6, 0xFC7, 0xFC8, 0xFC8, 0xFC9, 0xFCA, 0xFCA, 0xFCB, 0xFCC, 0xFCD,
+	0xFCD, 0xFCE, 0xFCF, 0xFCF, 0xFD0, 0xFD1, 0xFD1, 0xFD2, 0xFD3, 0xFD3, 0xFD4, 0xFD5, 0xFD5, 0xFD6, 0xFD6, 0xFD7,
+	0xFD8, 0xFD8, 0xFD9, 0xFD9, 0xFDA, 0xFDB, 0xFDB, 0xFDC, 0xFDC, 0xFDD, 0xFDE, 0xFDE, 0xFDF, 0xFDF, 0xFE0, 0xFE0,
+	0xFE1, 0xFE1, 0xFE2, 0xFE2, 0xFE3, 0xFE3, 0xFE4, 0xFE4, 0xFE5, 0xFE5, 0xFE6, 0xFE6, 0xFE7, 0xFE7, 0xFE8, 0xFE8,
+	0xFE9, 0xFE9, 0xFEA, 0xFEA, 0xFEB, 0xFEB, 0xFEC, 0xFEC, 0xFEC, 0xFED, 0xFED, 0xFEE, 0xFEE, 0xFEE, 0xFEF, 0xFEF,
+	0xFF0, 0xFF0, 0xFF0, 0xFF1, 0xFF1, 0xFF1, 0xFF2, 0xFF2, 0xFF3, 0xFF3, 0xFF3, 0xFF4, 0xFF4, 0xFF4, 0xFF5, 0xFF5,
+	0xFF5, 0xFF5, 0xFF6, 0xFF6, 0xFF6, 0xFF7, 0xFF7, 0xFF7, 0xFF7, 0xFF8, 0xFF8, 0xFF8, 0xFF8, 0xFF9, 0xFF9, 0xFF9,
+	0xFF9, 0xFFA, 0xFFA, 0xFFA, 0xFFA, 0xFFB, 0xFFB, 0xFFB, 0xFFB, 0xFFB, 0xFFC, 0xFFC, 0xFFC, 0xFFC, 0xFFC, 0xFFC,
+	0xFFD, 0xFFD, 0xFFD, 0xFFD, 0xFFD, 0xFFD, 0xFFD, 0xFFD, 0xFFE, 0xFFE, 0xFFE, 0xFFE, 0xFFE, 0xFFE, 0xFFE, 0xFFE,
+	0xFFE, 0xFFE, 0xFFF, 0xFFF, 0xFFF, 0xFFF, 0xFFF, 0xFFF, 0xFFF, 0xFFF, 0xFFF, 0xFFF, 0xFFF, 0xFFF, 0xFFF, 0xFFF,
+	0xFFF, 0xFFF, 0xFFF, 0xFFF, 0xFFF, 0xFFF, 0xFFF, 0xFFF, 0xFFF, 0xFFF, 0xFFF, 0xFFF, 0xFFF, 0xFFF, 0xFFF, 0xFFE,
+	0xFFE, 0xFFE, 0xFFE, 0xFFE, 0xFFE, 0xFFE, 0xFFE, 0xFFE, 0xFFE, 0xFFD, 0xFFD, 0xFFD, 0xFFD, 0xFFD, 0xFFD, 0xFFD,
+	0xFFD, 0xFFC, 0xFFC, 0xFFC, 0xFFC, 0xFFC, 0xFFC, 0xFFB, 0xFFB, 0xFFB, 0xFFB, 0xFFB, 0xFFA, 0xFFA, 0xFFA, 0xFFA,
+	0xFF9, 0xFF9, 0xFF9, 0xFF9, 0xFF8, 0xFF8, 0xFF8, 0xFF8, 0xFF7, 0xFF7, 0xFF7, 0xFF7, 0xFF6, 0xFF6, 0xFF6, 0xFF5,
+	0xFF5, 0xFF5, 0xFF5, 0xFF4, 0xFF4, 0xFF4, 0xFF3, 0xFF3, 0xFF3, 0xFF2, 0xFF2, 0xFF1, 0xFF1, 0xFF1, 0xFF0, 0xFF0,
+	0xFF0, 0xFEF, 0xFEF, 0xFEE, 0xFEE, 0xFEE, 0xFED, 0xFED, 0xFEC, 0xFEC, 0xFEC, 0xFEB, 0xFEB, 0xFEA, 0xFEA, 0xFE9,
+	0xFE9, 0xFE8, 0xFE8, 0xFE7, 0xFE7, 0xFE6, 0xFE6, 0xFE5, 0xFE5, 0xFE4, 0xFE4, 0xFE3, 0xFE3, 0xFE2, 0xFE2, 0xFE1,
+	0xFE1, 0xFE0, 0xFE0, 0xFDF, 0xFDF, 0xFDE, 0xFDE, 0xFDD, 0xFDC, 0xFDC, 0xFDB, 0xFDB, 0xFDA, 0xFD9, 0xFD9, 0xFD8,
+	0xFD8, 0xFD7, 0xFD6, 0xFD6, 0xFD5, 0xFD5, 0xFD4, 0xFD3, 0xFD3, 0xFD2, 0xFD1, 0xFD1, 0xFD0, 0xFCF, 0xFCF, 0xFCE,
+	0xFCD, 0xFCD, 0xFCC, 0xFCB, 0xFCA, 0xFCA, 0xFC9, 0xFC8, 0xFC8, 0xFC7, 0xFC6, 0xFC5, 0xFC5, 0xFC4, 0xFC3, 0xFC2,
+	0xFC2, 0xFC1, 0xFC0, 0xFBF, 0xFBF, 0xFBE, 0xFBD, 0xFBC, 0xFBB, 0xFBB, 0xFBA, 0xFB9, 0xFB8, 0xFB7, 0xFB6, 0xFB6,
+	0xFB5, 0xFB4, 0xFB3, 0xFB2, 0xFB1, 0xFB1, 0xFB0, 0xFAF, 0xFAE, 0xFAD, 0xFAC, 0xFAB, 0xFAA, 0xFAA, 0xFA9, 0xFA8,
+	0xFA7, 0xFA6, 0xFA5, 0xFA4, 0xFA3, 0xFA2, 0xFA1, 0xFA0, 0xF9F, 0xF9E, 0xF9D, 0xF9D, 0xF9C, 0xF9B, 0xF9A, 0xF99,
+	0xF98, 0xF97, 0xF96, 0xF95, 0xF94, 0xF93, 0xF92, 0xF91, 0xF90, 0xF8F, 0xF8E, 0xF8D, 0xF8B, 0xF8A, 0xF89, 0xF88,
+	0xF87, 0xF86, 0xF85, 0xF84, 0xF83, 0xF82, 0xF81, 0xF80, 0xF7F, 0xF7E, 0xF7C, 0xF7B, 0xF7A, 0xF79, 0xF78, 0xF77,
+	0xF76, 0xF75, 0xF74, 0xF72, 0xF71, 0xF70, 0xF6F, 0xF6E, 0xF6D, 0xF6B, 0xF6A, 0xF69, 0xF68, 0xF67, 0xF66, 0xF64,
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+	0x077, 0x076, 0x075, 0x074, 0x073, 0x072, 0x071, 0x070, 0x06F, 0x06E, 0x06D, 0x06C, 0x06B, 0x06A, 0x069, 0x068,
+	0x067, 0x066, 0x065, 0x064, 0x063, 0x062, 0x061, 0x060, 0x05F, 0x05E, 0x05D, 0x05C, 0x05B, 0x05A, 0x05A, 0x059,
+	0x058, 0x057, 0x056, 0x055, 0x054, 0x053, 0x052, 0x051, 0x051, 0x050, 0x04F, 0x04E, 0x04D, 0x04C, 0x04B, 0x04B,
+	0x04A, 0x049, 0x048, 0x047, 0x046, 0x046, 0x045, 0x044, 0x043, 0x042, 0x042, 0x041, 0x040, 0x03F, 0x03E, 0x03E,
+	0x03D, 0x03C, 0x03B, 0x03B, 0x03A, 0x039, 0x038, 0x038, 0x037, 0x036, 0x035, 0x035, 0x034, 0x033, 0x033, 0x032,
+	0x031, 0x031, 0x030, 0x02F, 0x02F, 0x02E, 0x02D, 0x02D, 0x02C, 0x02B, 0x02B, 0x02A, 0x029, 0x029, 0x028, 0x027,
+	0x027, 0x026, 0x026, 0x025, 0x024, 0x024, 0x023, 0x023, 0x022, 0x022, 0x021, 0x020, 0x020, 0x01F, 0x01F, 0x01E,
+	0x01E, 0x01D, 0x01D, 0x01C, 0x01C, 0x01B, 0x01B, 0x01A, 0x01A, 0x019, 0x019, 0x018, 0x018, 0x017, 0x017, 0x016,
+	0x016, 0x015, 0x015, 0x014, 0x014, 0x013, 0x013, 0x013, 0x012, 0x012, 0x011, 0x011, 0x010, 0x010, 0x010, 0x00F,
+	0x00F, 0x00F, 0x00E, 0x00E, 0x00D, 0x00D, 0x00D, 0x00C, 0x00C, 0x00C, 0x00B, 0x00B, 0x00B, 0x00A, 0x00A, 0x00A,
+	0x009, 0x009, 0x009, 0x008, 0x008, 0x008, 0x008, 0x007, 0x007, 0x007, 0x007, 0x006, 0x006, 0x006, 0x006, 0x005,
+	0x005, 0x005, 0x005, 0x004, 0x004, 0x004, 0x004, 0x004, 0x003, 0x003, 0x003, 0x003, 0x003, 0x002, 0x002, 0x002,
+	0x002, 0x002, 0x002, 0x002, 0x001, 0x001, 0x001, 0x001, 0x001, 0x001, 0x001, 0x001, 0x000, 0x000, 0x000, 0x000,
+	0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000,
+	0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000,
+	0x000, 0x000, 0x000, 0x000, 0x000, 0x001, 0x001, 0x001, 0x001, 0x001, 0x001, 0x001, 0x001, 0x002, 0x002, 0x002,
+	0x002, 0x002, 0x002, 0x002, 0x003, 0x003, 0x003, 0x003, 0x003, 0x004, 0x004, 0x004, 0x004, 0x004, 0x005, 0x005,
+	0x005, 0x005, 0x006, 0x006, 0x006, 0x006, 0x007, 0x007, 0x007, 0x007, 0x008, 0x008, 0x008, 0x008, 0x009, 0x009,
+	0x009, 0x00A, 0x00A, 0x00A, 0x00B, 0x00B, 0x00B, 0x00C, 0x00C, 0x00C, 0x00D, 0x00D, 0x00D, 0x00E, 0x00E, 0x00F,
+	0x00F, 0x00F, 0x010, 0x010, 0x010, 0x011, 0x011, 0x012, 0x012, 0x013, 0x013, 0x013, 0x014, 0x014, 0x015, 0x015,
+	0x016, 0x016, 0x017, 0x017, 0x018, 0x018, 0x019, 0x019, 0x01A, 0x01A, 0x01B, 0x01B, 0x01C, 0x01C, 0x01D, 0x01D,
+	0x01E, 0x01E, 0x01F, 0x01F, 0x020, 0x020, 0x021, 0x022, 0x022, 0x023, 0x023, 0x024, 0x024, 0x025, 0x026, 0x026,
+	0x027, 0x027, 0x028, 0x029, 0x029, 0x02A, 0x02B, 0x02B, 0x02C, 0x02D, 0x02D, 0x02E, 0x02F, 0x02F, 0x030, 0x031,
+	0x031, 0x032, 0x033, 0x033, 0x034, 0x035, 0x035, 0x036, 0x037, 0x038, 0x038, 0x039, 0x03A, 0x03B, 0x03B, 0x03C,
+	0x03D, 0x03E, 0x03E, 0x03F, 0x040, 0x041, 0x042, 0x042, 0x043, 0x044, 0x045, 0x046, 0x046, 0x047, 0x048, 0x049,
+	0x04A, 0x04B, 0x04B, 0x04C, 0x04D, 0x04E, 0x04F, 0x050, 0x051, 0x051, 0x052, 0x053, 0x054, 0x055, 0x056, 0x057,
+	0x058, 0x059, 0x05A, 0x05A, 0x05B, 0x05C, 0x05D, 0x05E, 0x05F, 0x060, 0x061, 0x062, 0x063, 0x064, 0x065, 0x066,
+	0x067, 0x068, 0x069, 0x06A, 0x06B, 0x06C, 0x06D, 0x06E, 0x06F, 0x070, 0x071, 0x072, 0x073, 0x074, 0x075, 0x076,
+	0x077, 0x078, 0x079, 0x07A, 0x07B, 0x07D, 0x07E, 0x07F, 0x080, 0x081, 0x082, 0x083, 0x084, 0x085, 0x086, 0x088,
+	0x089, 0x08A, 0x08B, 0x08C, 0x08D, 0x08E, 0x090, 0x091, 0x092, 0x093, 0x094, 0x095, 0x097, 0x098, 0x099, 0x09A,
+	0x09B, 0x09D, 0x09E, 0x09F, 0x0A0, 0x0A1, 0x0A3, 0x0A4, 0x0A5, 0x0A6, 0x0A8, 0x0A9, 0x0AA, 0x0AB, 0x0AD, 0x0AE,
+	0x0AF, 0x0B0, 0x0B2, 0x0B3, 0x0B4, 0x0B6, 0x0B7, 0x0B8, 0x0BA, 0x0BB, 0x0BC, 0x0BD, 0x0BF, 0x0C0, 0x0C1, 0x0C3,
+	0x0C4, 0x0C5, 0x0C7, 0x0C8, 0x0CA, 0x0CB, 0x0CC, 0x0CE, 0x0CF, 0x0D0, 0x0D2, 0x0D3, 0x0D5, 0x0D6, 0x0D7, 0x0D9,
+	0x0DA, 0x0DC, 0x0DD, 0x0DE, 0x0E0, 0x0E1, 0x0E3, 0x0E4, 0x0E6, 0x0E7, 0x0E8, 0x0EA, 0x0EB, 0x0ED, 0x0EE, 0x0F0,
+	0x0F1, 0x0F3, 0x0F4, 0x0F6, 0x0F7, 0x0F9, 0x0FA, 0x0FC, 0x0FD, 0x0FF, 0x100, 0x102, 0x103, 0x105, 0x106, 0x108,
+	0x10A, 0x10B, 0x10D, 0x10E, 0x110, 0x111, 0x113, 0x114, 0x116, 0x118, 0x119, 0x11B, 0x11C, 0x11E, 0x120, 0x121,
+	0x123, 0x124, 0x126, 0x128, 0x129, 0x12B, 0x12D, 0x12E, 0x130, 0x132, 0x133, 0x135, 0x137, 0x138, 0x13A, 0x13C,
+	0x13D, 0x13F, 0x141, 0x142, 0x144, 0x146, 0x147, 0x149, 0x14B, 0x14C, 0x14E, 0x150, 0x152, 0x153, 0x155, 0x157,
+	0x159, 0x15A, 0x15C, 0x15E, 0x160, 0x161, 0x163, 0x165, 0x167, 0x168, 0x16A, 0x16C, 0x16E, 0x170, 0x171, 0x173,
+	0x175, 0x177, 0x179, 0x17A, 0x17C, 0x17E, 0x180, 0x182, 0x184, 0x185, 0x187, 0x189, 0x18B, 0x18D, 0x18F, 0x191,
+	0x192, 0x194, 0x196, 0x198, 0x19A, 0x19C, 0x19E, 0x1A0, 0x1A2, 0x1A3, 0x1A5, 0x1A7, 0x1A9, 0x1AB, 0x1AD, 0x1AF,
+	0x1B1, 0x1B3, 0x1B5, 0x1B7, 0x1B9, 0x1BB, 0x1BD, 0x1BF, 0x1C0, 0x1C2, 0x1C4, 0x1C6, 0x1C8, 0x1CA, 0x1CC, 0x1CE,
+	0x1D0, 0x1D2, 0x1D4, 0x1D6, 0x1D8, 0x1DA, 0x1DC, 0x1DE, 0x1E0, 0x1E2, 0x1E4, 0x1E6, 0x1E8, 0x1EB, 0x1ED, 0x1EF,
+	0x1F1, 0x1F3, 0x1F5, 0x1F7, 0x1F9, 0x1FB, 0x1FD, 0x1FF, 0x201, 0x203, 0x205, 0x207, 0x20A, 0x20C, 0x20E, 0x210,
+	0x212, 0x214, 0x216, 0x218, 0x21A, 0x21D, 0x21F, 0x221, 0x223, 0x225, 0x227, 0x229, 0x22C, 0x22E, 0x230, 0x232,
+	0x234, 0x236, 0x239, 0x23B, 0x23D, 0x23F, 0x241, 0x243, 0x246, 0x248, 0x24A, 0x24C, 0x24E, 0x251, 0x253, 0x255,
+	0x257, 0x259, 0x25C, 0x25E, 0x260, 0x262, 0x265, 0x267, 0x269, 0x26B, 0x26E, 0x270, 0x272, 0x274, 0x277, 0x279,
+	0x27B, 0x27E, 0x280, 0x282, 0x284, 0x287, 0x289, 0x28B, 0x28E, 0x290, 0x292, 0x294, 0x297, 0x299, 0x29B, 0x29E,
+	0x2A0, 0x2A2, 0x2A5, 0x2A7, 0x2A9, 0x2AC, 0x2AE, 0x2B0, 0x2B3, 0x2B5, 0x2B8, 0x2BA, 0x2BC, 0x2BF, 0x2C1, 0x2C3,
+	0x2C6, 0x2C8, 0x2CA, 0x2CD, 0x2CF, 0x2D2, 0x2D4, 0x2D6, 0x2D9, 0x2DB, 0x2DE, 0x2E0, 0x2E2, 0x2E5, 0x2E7, 0x2EA,
+	0x2EC, 0x2EF, 0x2F1, 0x2F3, 0x2F6, 0x2F8, 0x2FB, 0x2FD, 0x300, 0x302, 0x305, 0x307, 0x30A, 0x30C, 0x30E, 0x311,
+	0x313, 0x316, 0x318, 0x31B, 0x31D, 0x320, 0x322, 0x325, 0x327, 0x32A, 0x32C, 0x32F, 0x331, 0x334, 0x336, 0x339,
+	0x33B, 0x33E, 0x340, 0x343, 0x346, 0x348, 0x34B, 0x34D, 0x350, 0x352, 0x355, 0x357, 0x35A, 0x35C, 0x35F, 0x362,
+	0x364, 0x367, 0x369, 0x36C, 0x36E, 0x371, 0x374, 0x376, 0x379, 0x37B, 0x37E, 0x381, 0x383, 0x386, 0x388, 0x38B,
+	0x38E, 0x390, 0x393, 0x395, 0x398, 0x39B, 0x39D, 0x3A0, 0x3A3, 0x3A5, 0x3A8, 0x3AA, 0x3AD, 0x3B0, 0x3B2, 0x3B5,
+	0x3B8, 0x3BA, 0x3BD, 0x3C0, 0x3C2, 0x3C5, 0x3C8, 0x3CA, 0x3CD, 0x3D0, 0x3D2, 0x3D5, 0x3D8, 0x3DA, 0x3DD, 0x3E0,
+	0x3E2, 0x3E5, 0x3E8, 0x3EB, 0x3ED, 0x3F0, 0x3F3, 0x3F5, 0x3F8, 0x3FB, 0x3FE, 0x400, 0x403, 0x406, 0x408, 0x40B,
+	0x40E, 0x411, 0x413, 0x416, 0x419, 0x41C, 0x41E, 0x421, 0x424, 0x427, 0x429, 0x42C, 0x42F, 0x432, 0x434, 0x437,
+	0x43A, 0x43D, 0x43F, 0x442, 0x445, 0x448, 0x44B, 0x44D, 0x450, 0x453, 0x456, 0x459, 0x45B, 0x45E, 0x461, 0x464,
+	0x467, 0x469, 0x46C, 0x46F, 0x472, 0x475, 0x477, 0x47A, 0x47D, 0x480, 0x483, 0x486, 0x488, 0x48B, 0x48E, 0x491,
+	0x494, 0x497, 0x499, 0x49C, 0x49F, 0x4A2, 0x4A5, 0x4A8, 0x4AB, 0x4AD, 0x4B0, 0x4B3, 0x4B6, 0x4B9, 0x4BC, 0x4BF,
+	0x4C1, 0x4C4, 0x4C7, 0x4CA, 0x4CD, 0x4D0, 0x4D3, 0x4D6, 0x4D8, 0x4DB, 0x4DE, 0x4E1, 0x4E4, 0x4E7, 0x4EA, 0x4ED,
+	0x4F0, 0x4F3, 0x4F5, 0x4F8, 0x4FB, 0x4FE, 0x501, 0x504, 0x507, 0x50A, 0x50D, 0x510, 0x513, 0x515, 0x518, 0x51B,
+	0x51E, 0x521, 0x524, 0x527, 0x52A, 0x52D, 0x530, 0x533, 0x536, 0x539, 0x53C, 0x53F, 0x542, 0x545, 0x547, 0x54A,
+	0x54D, 0x550, 0x553, 0x556, 0x559, 0x55C, 0x55F, 0x562, 0x565, 0x568, 0x56B, 0x56E, 0x571, 0x574, 0x577, 0x57A,
+	0x57D, 0x580, 0x583, 0x586, 0x589, 0x58C, 0x58F, 0x592, 0x595, 0x598, 0x59B, 0x59E, 0x5A1, 0x5A4, 0x5A7, 0x5AA,
+	0x5AD, 0x5B0, 0x5B3, 0x5B6, 0x5B9, 0x5BC, 0x5BF, 0x5C2, 0x5C5, 0x5C8, 0x5CB, 0x5CE, 0x5D1, 0x5D4, 0x5D7, 0x5DA,
+	0x5DD, 0x5E0, 0x5E3, 0x5E6, 0x5E9, 0x5EC, 0x5EF, 0x5F2, 0x5F5, 0x5F8, 0x5FB, 0x5FE, 0x602, 0x605, 0x608, 0x60B,
+	0x60E, 0x611, 0x614, 0x617, 0x61A, 0x61D, 0x620, 0x623, 0x626, 0x629, 0x62C, 0x62F, 0x632, 0x635, 0x638, 0x63C,
+	0x63F, 0x642, 0x645, 0x648, 0x64B, 0x64E, 0x651, 0x654, 0x657, 0x65A, 0x65D, 0x660, 0x663, 0x667, 0x66A, 0x66D,
+	0x670, 0x673, 0x676, 0x679, 0x67C, 0x67F, 0x682, 0x685, 0x688, 0x68C, 0x68F, 0x692, 0x695, 0x698, 0x69B, 0x69E,
+	0x6A1, 0x6A4, 0x6A7, 0x6AA, 0x6AE, 0x6B1, 0x6B4, 0x6B7, 0x6BA, 0x6BD, 0x6C0, 0x6C3, 0x6C6, 0x6C9, 0x6CD, 0x6D0,
+	0x6D3, 0x6D6, 0x6D9, 0x6DC, 0x6DF, 0x6E2, 0x6E5, 0x6E9, 0x6EC, 0x6EF, 0x6F2, 0x6F5, 0x6F8, 0x6FB, 0x6FE, 0x701,
+	0x705, 0x708, 0x70B, 0x70E, 0x711, 0x714, 0x717, 0x71A, 0x71E, 0x721, 0x724, 0x727, 0x72A, 0x72D, 0x730, 0x733,
+	0x737, 0x73A, 0x73D, 0x740, 0x743, 0x746, 0x749, 0x74C, 0x750, 0x753, 0x756, 0x759, 0x75C, 0x75F, 0x762, 0x765,
+	0x769, 0x76C, 0x76F, 0x772, 0x775, 0x778, 0x77B, 0x77F, 0x782, 0x785, 0x788, 0x78B, 0x78E, 0x791, 0x794, 0x798,
+	0x79B, 0x79E, 0x7A1, 0x7A4, 0x7A7, 0x7AA, 0x7AE, 0x7B1, 0x7B4, 0x7B7, 0x7BA, 0x7BD, 0x7C0, 0x7C4, 0x7C7, 0x7CA,
+	0x7CD, 0x7D0, 0x7D3, 0x7D6, 0x7DA, 0x7DD, 0x7E0, 0x7E3, 0x7E6, 0x7E9, 0x7EC, 0x7F0, 0x7F3, 0x7F6, 0x7F9, 0x7FC
+}; 

Software/CFO/CFOmidi.cpp

@@ -0,0 +1,186 @@
+/* 
+ Midi.cpp - Music library
+ Copyright (c) 2012 Copenhagen Institute of Interaction Design. 
+ All right reserved.
+ 
+ This library is free software: you can redistribute it and/or modify
+ it under the terms of the GNU Lesser Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+ 
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ GNU Lesser Public License for more details.
+ 
+ You should have received a copy of the GNU Lesser Public License
+ along with Foobar.  If not, see <http://www.gnu.org/licenses/>.
+ 
+ +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+ + author: Jakob Bak
+ + contact: j.bak@ciid.dk
+ */
+
+#include <avr/io.h>
+#include <avr/pgmspace.h>
+#include <hardwareSerial.h>
+//#include <MidiTables.h>
+#include <CFOMusic.h>
+#include <CFOMidi.h>
+
+prog_uint16_t hertzTable[] PROGMEM = {8,8,9,9,10,10,11,12,12,13,14,15,16,17,18,19,20,21,23,24,25,27,29,30,32,34,36,38,41,43,46,48,51,54,58,61,65,69,73,77,82,87,92,97,103,109,116,123,130,138,146,155,164,174,184,195,207,219,233,246,261,277,293,311,329,349,369,391,415,440,466,493,523,554,587,622,659,698,739,783,830,880,932,987,1046,1108,1174,1244,1318,1396,1479,1567,1661,1760,1864,1975,2093,2217,2349,2489,2637,2793,2959,3135,3322,3520,3729,3951,4186,4434,4698,4978,5274,5587,5919,6271,6644,7040,7458,7902,8372,8869,9397,9956,10548,11175,11839,12543};
+
+MMidi Midi;
+
+void MMidi::init()
+{	
+	Serial.begin(115200);
+
+	midiBufferIndex = 0;
+	//notePlayed = 0;
+
+	
+
+}
+
+
+void MMidi::checkMidi()
+{
+	while(Serial.available() > 0) {
+		
+		midiBuffer[midiBufferIndex] = Serial.read();
+		if(midiBuffer[midiBufferIndex] == 0xFF) {
+			midiHandler();
+			midiBufferIndex = 0;
+		}    
+		else midiBufferIndex++;
+		
+	}
+	
+}
+
+
+void MMidi::midiHandler() {
+	
+    //midiTime = millis();
+    uint8_t midiChannel = (midiBuffer[0] & 0x0F);
+    
+	
+	switch(midiBuffer[0] & 0xF0) { // bit mask with &0xF0 ?
+        case 0x80:
+			noteOff			(midiBuffer[0] & 0x0F,     // midi channel 0-16
+							 midiBuffer[1] & 0x7F,   // note value 0-127
+							 midiBuffer[2] & 0x7F);  // note velocity 0-127
+			break;
+			
+        case 0x90:
+			noteOn			(midiBuffer[0] & 0x0F,     // midi channel 0-16
+							 midiBuffer[1] & 0x7F,   // note value 0-127
+							 midiBuffer[2] & 0x7F);  // note velocity 0-127
+			break;
+			
+        case 0xA0:
+			aftertouch		(midiBuffer[0] & 0x0F,   // midi channel 0-16
+							 midiBuffer[1] & 0x7F, // note value 0-127
+							 midiBuffer[2] & 0x7F);// note velocity 0-127
+			break;
+			
+        case 0xB0:
+			controller		(midiBuffer[0] & 0x0F,   // midi channel 0-16
+							 midiBuffer[1] & 0x7F, // controller number 0-127
+							 midiBuffer[2] & 0x7F);// controller value 0-127
+			break;
+			
+        case 0xC0:
+			programChange	(midiBuffer[0]  & 0x0F,    // midi channel 0-16
+							 midiBuffer[1] & 0x7F);  // program number 0-127
+			break;
+			
+        case 0xD0:
+			channelPressure	(midiBuffer[0]  & 0x0F,    // midi channel 0-16
+							 midiBuffer[1] & 0x7F);  // pressure amount 0-127
+			break;
+			
+        case 0xE0:
+			pitchWheel		(midiBuffer[0] & 0x0F,   // midi channel 0-16
+							 midiBuffer[1] & 0x7F, // higher bits 0-6
+							 midiBuffer[2] & 0x7F);// lower bits 7-13
+			break;
+			
+        default:
+			break;
+	}
+}
+
+
+void MMidi::noteOff(uint8_t channel, uint8_t note, uint8_t vel) {
+	
+	
+	if(notePlayed == note) {
+		Music.setEnvStage(4);
+		//ampGain = 0;
+		//fltGain = 0;      
+	}
+    
+}
+
+
+void MMidi::noteOn(uint8_t channel, uint8_t note, uint8_t vel) {
+	
+	Music.setEnvStage(1);
+	//ampGain = 2 * vel << 8;
+	//fltGain = 2 * vel << 8;
+	Music.setVelSustain(vel);
+	notePlayed = note;
+	memcpy_P(&frequency, &hertzTable[notePlayed],2);
+	Music.setFrequency1(frequency);
+	Music.setFrequency2(frequency);
+	Music.setFrequency3(frequency);
+	
+}
+
+void MMidi::aftertouch(uint8_t channel, uint8_t note, uint8_t pressure) {
+	// Write code here for Aftertouch 
+}
+
+void MMidi::controller(uint8_t channel, uint8_t number, uint8_t value) {
+	
+	switch(number) {
+		case ENV_ATTACK:
+			Music.setAttack(value);
+			break;
+		case ENV_DECAY:
+			Music.setDecay(value);
+			break;
+		case ENV_SUSTAIN:
+			Music.setSustain(value);
+			break;
+		case ENV_RELEASE:
+			Music.setRelease(value);
+			break;
+		case DETUNE:
+			Music.setDetune(value/5120.0);
+			break;
+		case WAVEFORM:
+			value = value / 43;
+			if(value == 0) Music.setSine();
+			else if(value == 1) Music.setSaw();
+			else if(value == 2) Music.setSquare();
+			break;
+		default:
+			break;
+	} 
+
+}
+
+void MMidi::programChange(uint8_t channel, uint8_t number) {
+	// Write code here for Program Change 
+}
+
+void MMidi::channelPressure(uint8_t channel, uint8_t pressure) {
+	// Write code here for Channel Pressure 
+}
+
+void MMidi::pitchWheel(uint8_t channel, uint8_t highBits, uint8_t lowBits) {
+	// Write code here for Pitch Wheel
+}

Software/Example code/Basic_MIDI/Basic_MIDI.ino

@@ -0,0 +1,39 @@
+
+// This needs to be in all sketches at the moment
+#include <stdint.h>
+
+// The Music and Midi objects are automatically instantiated when the header file is included.
+// Make calls to the Music and Midi objects with "Music.function(args)" and "Midi.function(args)"
+// You still need to call Music.init() and Midi.init() in the setup() function below.
+#include <Music.h>
+#include <Midi.h>
+
+// variables for this sketch
+
+void setup() {
+
+  // We initialise the sound engine by calling Music.init() which outputs a tone
+  Music.init();
+  
+  // We initialize the MIDI engine by calling Midi.init()
+  Midi.init();
+  
+  // Choosing the sine wave oscillator (optional since this is already the default).
+  Music.setSaw();
+    
+  // Detuning the three oscillators heavily to create more movement in the sound.
+  Music.setDetune(0.01);  
+  
+  // Enabling envelope, otherwise the synth would just play constant tones.
+  Music.enableEnvelope();
+
+}
+
+void loop() {
+  
+  // The MIDI must be used with the external 
+  // "IAC2Serial.pde" Processing sketch.
+  Midi.checkMidi();
+    
+}
+

Software/Example code/MUSIC_LIBRARY_DOCUMENTATION/MUSIC_LIBRARY_DOCUMENTATION.ino

@@ -0,0 +1,88 @@
+/////////////////////////////////////////////////////////////////////////
+// DON'T TRY TO RUN THIS SKETCH, IT IS FOR DOCUMENTATION PURPOSES ONLY //
+/////////////////////////////////////////////////////////////////////////
+
+// These are the music functions that are available for you to use in you sketches.
+// You can see examples of how some of them are used (the most basic ones) in the
+// Apps folder that downloaded with the MM library.
+
+// In the following you can see the variable type that the function takes as an argument (float, uint8_t or uint16_t)
+// The weirdly looking "uint16_t" and "uint8_t" is just unsigned 16 and 8 bit integers. So instead of having
+// both negative and positive values, they only have positive values from 0 - 255 (8bit) and 0 - 65535 (16bit).
+// If you copy a function from here to your arduino sketch, just change the word "float", "uint8_t", etc into the
+// variable name that you uses in your sketch.
+
+
+// INITIALIZER
+// Use this to start the synth engine. It defaults to a sine tone at 110Hz, no envelope and no detune.
+Music.init();
+
+
+// FREQUENCY AND DETUNE FUNCTIONS
+// Use these functions to set the frequency and detune parameters of the synth.
+Music.setFrequency(float);   // Set frequencies of all oscillators at once. Does _not_ affect detune.
+Music.setFrequency1(float);  // Set frequency of individual oscillators.
+Music.setFrequency2(float);  //
+Music.setFrequency3(float);  //
+Music.setDetune(float);      // Set the detune of all oscillators at once. Does _not_ affect the base frequencies.
+Music.setDetune2(float);     // Set the detune of oscillator 2 and 3 individually (oscillator 1 stays fixed)
+Music.setDetune3(float);
+Music.pitchBend(float);      // This function detunes the pitch without affecting the detune parameters' individual
+                             // 'spread'. Takes a float.
+
+
+// WAVEFORM FUNCTIONS
+// Switch between the different waveforms for the oscillators. It sets all of them at once.
+Music.setSine();
+Music.setSaw();
+Music.setSquare();
+
+
+// GAIN FUNCTIONS
+// Set the gain of the oscillators all at once or individually. You can send either floats or uint16_t to the
+// function and it figures out to use the correct function automagically :)
+Music.setGain(float); // 0.0 - 1.0
+Music.setGain1(float); // 0.0 - 1.0 
+Music.setGain2(float); // 0.0 - 1.0
+Music.setGain3(float); // 0.0 - 1.0
+// using floats in your own calculations can be heavy on the processor, so there is the option of passing 16bit integers
+// instead, since this is what it gets converted to anyway internally in the sound engine.
+Music.setGain(uint16_t value); // 0 - 65535
+Music.setGain1(uint16_t value); // 0 - 65535 
+Music.setGain2(uint16_t value); // 0 - 65535
+Music.setGain3(uint16_t value); // 0 - 65535
+
+
+// NOTE FUNCTIONS
+// These functions triggers a note to be played. The noteOff() functions turns the note off again.
+// They come both with note and velocity information (for noteOn). If you don't know what that is,
+// just use the ones with the least arguments.
+// To get a proper note sound call Music.enableEnvelopes() [see below] before calling the noteOn function.
+// You just have to do that once in the setup for example.
+Music.noteOn(uint8_t note, uint8_t vel); // 0 - 127
+Music.noteOn(uint8_t note); // 0 - 127
+Music.noteOff(uint8_t note); // 0 - 127
+Music.noteOff();
+// This function returns the frequency of a MIDI note number sent to it.
+Music.getNoteFrequency(uint8_t); // 0 - 127
+
+
+// ENVELOPE FUNCTIONS
+// These functions enables and sets the parameters of the internal envelope which creates dynamics for the notes 
+// being played. You can read about ADSR envelopes here: http://en.wikipedia.org/wiki/Synthesizer#ADSR_envelope
+// When using the envelope you can only hear sound when you are triggering the notes with the note functions. In order
+// to get dynamics without triggering the note object you must have the envelope turned off, for example using 
+// the Music.disableEnvelope() function [already set by default in the init() function]. You can then control the
+// dynamics of the sound with the overall or individual setGain() functions.
+Music.enableEnvelope();
+Music.disableEnvelope();
+// Setting the parameters for the envelope you send an 8bit number between 0 and 127 to the functions below. 0 is a very fast
+// rise or decay in sound, whereas 127 is very long. Sustain is the sound level where 0 is silent and 127 is full gain. 
+// You must experiment with what suits your musical taste :)
+// These parameters can of course be adjusted during the physics code for interesting results, but be aware that when
+// using the sine wave oscillator (which is more processor intensive) the sound can hang or have glitches if you alter
+// these parameters too quickly or set them at extremes. Try it out.
+Music.setAttack(uint8_t att); // 0 - 127
+Music.setDecay(uint8_t dec); // 0 - 127
+Music.setSustain(uint8_t sus); // 0 - 127
+Music.setRelease(uint8_t rel); // 0 - 127

Software/Example code/Minimal/Minimal.ino

@@ -0,0 +1,19 @@
+
+// This needs to be in all sketches at the moment
+#include <stdint.h>
+
+// The Music and Midi objects are automatically instantiated when the header file is included.
+// Make calls to the Music and Midi objects with "Music.function(args)" and "Midi.function(args)"
+// You still need to call Music.init() and Midi.init() in the setup() function below.
+#include <Music.h>
+
+void setup() {
+  // We initialise the sound engine by calling Music.init() which outputs a tone
+  Music.init();
+
+}
+
+void loop() {
+
+}
+

Software/Example code/Repeating_note_with_envelope/Repeating_note_with_envelope.ino

@@ -0,0 +1,50 @@
+
+// This needs to be in all sketches at the moment
+#include <stdint.h>
+
+// The Music and Midi objects are automatically instantiated when the header file is included.
+// Make calls to the Music and Midi objects with "Music.function(args)" and "Midi.function(args)"
+// You still need to call Music.init() and Midi.init() in the setup() function below.
+#include <Music.h>
+
+// variables for this sketch
+boolean noteIsOn = false;
+int note = 48;
+
+long time = 0;
+long lastTime = 0;
+long beatTime = 1000;
+
+
+void setup() {
+
+  // We initialise the sound engine by calling Music.init() which outputs a tone
+  Music.init();
+  
+  // enabling the envelope lets us define an gain envelope for the synth
+  // without having to specify it in our loop() or physics code.
+  Music.enableEnvelope();
+  Music.setAttack(0x0FFF);
+  Music.setDecay(0x0004);
+  Music.setSustain(0x00FF);
+  Music.setRelease(0x0008);
+  
+}
+
+void loop() {
+  
+  // This short routine loops note over and over again
+  time = millis();
+  if(time - lastTime > beatTime) {
+    if(!noteIsOn) {
+      Music.noteOn(note);
+      noteIsOn = true;
+    } else {
+      Music.noteOff();
+      noteIsOn = false;
+    }
+    lastTime = time;
+  }
+
+}
+

Software/Example code/Spaghetti_tones/Spaghetti_tones.ino

@@ -0,0 +1,64 @@
+
+// This needs to be in all sketches at the moment
+#include <stdint.h>
+
+// The Music and Midi objects are automatically instantiated when the header file is included.
+// Make calls to the Music and Midi objects with "Music.function(args)" and "Midi.function(args)"
+// You still need to call Music.init() and Midi.init() in the setup() function below.
+#include <Music.h>
+
+// variables for this sketch
+float gain = 1.0;
+float c = 220; // center frequency
+float f1 = 1;
+float f2 = 1;
+float f3 = 1;
+float m1 = 1.0011;
+float m2 = 1.0012;
+float m3 = 1.0013;
+
+
+void setup() {
+
+  // We initialise the sound engine by calling Music.init() which outputs a tone
+  Music.init();
+  
+  // Choosing the sine wave oscillator (optional since this is already the default).
+  Music.setSine();
+  
+  // Setting the initial frequency for all three oscillators.
+  Music.setFrequency(c);
+  
+  // Detuning the three oscillators slightly to create movement in the sound.
+  Music.setDetune(0.002);  
+  
+}
+
+void loop() {
+  
+  // This short routine creates a
+
+    Music.setFrequency1(c*f1);
+    Music.setFrequency2(c*f2);
+    Music.setFrequency3(c*f3);
+    
+    f1 *= m1;
+    f2 *= m2;
+    f3 *= m3;
+    
+    if(f1 > 4.0) m1 = 0.9745;
+    if(f2 > 4.0) m2 = 0.9852;
+    if(f3 > 4.0) m3 = 0.9975;
+    
+    if(f1 < 0.25) m1 = 1.0754;
+    if(f2 < 0.25) m2 = 1.0573;
+    if(f3 < 0.25) m3 = 1.0386;
+      
+    if(millis() > 10000) {
+      Music.setGain(gain);
+      gain *= 0.999;
+    }
+    
+
+}
+

Software/Example code/Up_and_down/Up_and_down.ino

@@ -0,0 +1,62 @@
+
+// This needs to be in all sketches at the moment
+#include <stdint.h>
+
+// The Music and Midi objects are automatically instantiated when the header file is included.
+// Make calls to the Music and Midi objects with "Music.function(args)" and "Midi.function(args)"
+// You still need to call Music.init() and Midi.init() in the setup() function below.
+#include <Music.h>
+
+// variables for this sketch
+boolean noteIsOn = false;
+int n = 0;
+int dir = 1;
+int rootNote = 48;
+int note[] = {0,2,3,5,7,9,10,12,14};
+
+long time = 0;
+long lastTime = 0;
+long beatTime = 100;
+
+
+void setup() {
+
+  // We initialise the sound engine by calling Music.init() which outputs a tone
+  Music.init();
+    
+  // enabling the envelope lets us define an gain envelope for the synth
+  // without having to specify it in our loop() or physics code.
+  Music.enableEnvelope();
+  Music.setAttack(0x00FF);
+  Music.setDecay(0x0008);
+  Music.setSustain(0x00FF);
+  Music.setRelease(0x0008);
+  
+}
+
+void loop() {
+  
+  // This short routine loops note over and over again
+  time = millis();
+  if(time - lastTime > beatTime) {
+    if(!noteIsOn) {
+      Music.noteOn(rootNote+note[n]);
+      noteIsOn = true;
+      n = n + dir;
+      if(n > 7)
+      {
+        dir = -1;
+      }
+      else if(n < 1)
+      {
+        dir = 1;
+      }
+    } else {
+      Music.noteOff();
+      noteIsOn = false;
+    }
+    lastTime = time;
+  }
+
+}
+

Software/Example code/Up_and_down/sketch_jun26c/sketch_jun26c.ino

@@ -0,0 +1,62 @@
+
+// This needs to be in all sketches at the moment
+#include <stdint.h>
+
+// The Music and Midi objects are automatically instantiated when the header file is included.
+// Make calls to the Music and Midi objects with "Music.function(args)" and "Midi.function(args)"
+// You still need to call Music.init() and Midi.init() in the setup() function below.
+#include <Music.h>
+
+// variables for this sketch
+boolean noteIsOn = false;
+int n = 0;
+int dir = 1;
+int rootNote = 48;
+int note[] = {0,2,3,5,7,9,10,12,14};
+
+long time = 0;
+long lastTime = 0;
+long beatTime = 100;
+
+
+void setup() {
+
+  // We initialise the sound engine by calling Music.init() which outputs a tone
+  Music.init();
+      
+  // enabling the envelope lets us define an gain envelope for the synth
+  // without having to specify it in our loop() or physics code.
+  Music.enableEnvelope();
+  Music.setAttack(8);
+  Music.setDecay(70);
+  Music.setSustain(24);
+  Music.setRelease(90);
+  
+}
+
+void loop() {
+  
+  // This short routine loops note over and over again
+  time = millis();
+  if(time - lastTime > beatTime) {
+    if(!noteIsOn) {
+      Music.noteOn(rootNote+note[n]);
+      noteIsOn = true;
+      n = n + dir;
+      if(n > 7)
+      {
+        dir = -1;
+      }
+      else if(n < 1)
+      {
+        dir = 1;
+      }
+    } else {
+      Music.noteOff();
+      noteIsOn = false;
+    }
+    lastTime = time;
+  }
+
+}
+

Software/Example code/Up_and_down__square/Up_and_down__square.ino

@@ -0,0 +1,68 @@
+
+// This needs to be in all sketches at the moment
+#include <stdint.h>
+
+// The Music and Midi objects are automatically instantiated when the header file is included.
+// Make calls to the Music and Midi objects with "Music.function(args)" and "Midi.function(args)"
+// You still need to call Music.init() and Midi.init() in the setup() function below.
+#include <Music.h>
+
+// variables for this sketch
+boolean noteIsOn = false;
+int n = 0;
+int dir = 1;
+int rootNote = 26;
+int note[] = {0,2,3,5,7,9,10,12,14};
+
+long time = 0;
+long lastTime = 0;
+long beatTime = 100;
+
+
+void setup() {
+
+  // We initialise the sound engine by calling Music.init() which outputs a tone
+  Music.init();
+  
+  // Choosing the square wave oscillator instead of the sine wave.
+  Music.setSquare();
+  
+  // Detuning the three oscillators slightly to create movement in the sound.
+  Music.setDetune(0.008);  
+    
+  // enabling the envelope lets us define an gain envelope for the synth
+  // without having to specify it in our loop() or physics code.
+  Music.enableEnvelope();
+  Music.setAttack(8);
+  Music.setDecay(90);
+  Music.setSustain(48);
+  Music.setRelease(64);
+  
+}
+
+void loop() {
+  
+  // This short routine loops note over and over again
+  time = millis();
+  if(time - lastTime > beatTime) {
+    if(!noteIsOn) {
+      Music.noteOn(rootNote+note[n]);
+      noteIsOn = true;
+      n = n + dir;
+      if(n > 7)
+      {
+        dir = -1;
+      }
+      else if(n < 1)
+      {
+        dir = 1;
+      }
+    } else {
+      Music.noteOff();
+      noteIsOn = false;
+    }
+    lastTime = time;
+  }
+
+}
+

Software/README

@@ -0,0 +1,9 @@
+CFO Music and MIDI library
+
+Work in progress
+
+Copy whole CFO folder to your "libraries" folder in your Arduino sketch folder.
+
+See example code in examples folder for utilizing the library.
+
+I am not 100% everything will work with the insects yet, but we'll see soon enough.