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FantasyMansion.ino
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FantasyMansion.ino
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/* Fantasy Mansion
By Daniel Lacey-McDermott
CC BY 4.0
Licensed under a Creative Commons Attribution 4.0 International license:
http://creativecommons.org/licenses/by/4.0/
Tone generation code based on Digital Music Box v2 by David Johnson-Davies - www.technoblogy.com - 16th March 2016
*/
//ONLY TEMPO CHANGE ON BOOT!
//TUNE MODE OSCCAL?
// ARBITRARY BARLENGTHS?
//some times hiccups
# define birthdate 10023 //birthdate
#include <avr/pgmspace.h>
#include <avr/wdt.h>
/*Required modes
L+R = wait for sync signal and choose
just L send sync on drums
just R send sync on tones
*/
// funcs i'd like to add:
// OSCCAL+=1 OSCCAL+-1 mode
//steam
byte syncPin = 0; //0=normal 1=tones&sync 4=beat&sync
byte mask = B00000010;
int correctedx = 0; //x adjusted for current light
byte mode = 1; // 1 = myfirstsong, 2 = myfirstbeat
#define LED 1 //digital pin 1
#define LDR 1 //analog pin 1
#define LDRpin 2 //digital pin 2
#define SW1 0
#define SW2 3
#define tonepin 4
#define portBpin 1
byte modulationSteps = 4; //set in refreshrandom
int portBlength = 500; //set in refreshrandom
byte playMode = 0; //BOTH, BASS, MELODY
byte octaveselect = 0;
//unsigned long oldSyncPulseTime = 0;
unsigned long syncPeriod = 1;
unsigned int periodTimer = 10;
byte pip = 0;
int x = 0; //ldr value 0-600
int purex = 0; //raw LDR value 0-1024
byte diff = 0;
byte xMode = 1; // 0 = normal , 1 = insane pitch range, 2 = megapitchrange
int oldX = 0;
byte selex = 0;
int t = 0; //drum portB timer
int s = 0;
int modTempo = 8;
uint32_t watchdogcounter = 0;
byte portBselector = 4;
//byte scalesOffset = 0; //is this doing the same as root ?
int barTicker = 1;
//int scalesOffset = 10; was used to select from premade scales, new code will generate scales on the fly ?
//byte selector = 1;//random(1, 17);
byte partTicker = 1;
byte songTicker = 1;
int modulationinterval = 0; //will to be set to something else if allowtranspose is true when refreshrandom is called
byte octOffset = 2;
byte distAmount = 0;
byte beatSeqSelex = 0;
//byte beatSeqSelexLookahead = 0;
struct bools {
bool limbo : 1; //define whether we are supposed to do a mode or not
bool TMelOrFBass : 1;
bool swing : 1; //play with swing or not RANDOMIZE!
bool inSignal : 1; //state of sync in pin
bool oldInSignal : 1; //old state of insignal
// bool doubleTime: 1; // not used? not used
bool syncTick : 1; //ticker to make sure we only change sync pinstate once per tick
bool sendSync : 1; //flag to say we are sending sync
bool receiveSync : 1; //flag to say we are receiving sync
bool tonesMode : 1; //flag to say whether we are bothered with generating poly tones
bool portBMode : 1; //flag whether we are in a mode that supports portb or not
// bool transpose: 1; //not needed was always true
bool allowBDSeqMod : 1; //will we allow BD seq to be changed ?
bool allowSDSeqMod : 1; //will we allow SD seq to be changed ?
bool allowHHSeqMod : 1; //will we allow HH seq to be changed ?
bool leftSwitch : 1; //STATE OF LEFT SWITCH
bool rightSwitch : 1; //STATE OF RIGHT SWITCH
bool slowMo : 1; //PLAY HALFTIME? IS USED BY SWING
bool portBticker : 1; //TICKER FOR PORTBLENGTH COMPARISIN ONLY USED FOR LENGTH
bool oldLeftSwitch : 1; //old state of leftSwitch
bool oldRightSwitch : 1; //old state of rightSwitch
bool play : 1; //are we playing
bool doubleButt : 1; //to make sure it only runs the doublebutt code once
bool bend : 1; //are we pitchbending?
bool disablePortB : 1; //portB (drums included) on or off
bool firstRun : 1; //first run of a mode, run the mode setup
bool myFirstSongMode : 1; //user made melody?
// bool myFirstBeatMode: 1; //user made beat? this one is used to determine whether to remake beats after partTicker goes past 2)
bool writeNote : 1; //flag the watchdoc function to add a note
bool eraseNote : 1; //flag the watchdog to remove a note
//bool noteWritten: 1; //not used
bool preserveMelody : 1; //flag to not overwrite melody
//bool preserveBeat: 1; //not used (preservemelody does this too
bool allowNoteAddition : 1; //are we allowed to add notes?
bool allowTranspose : 1; //notUsed
bool BANG_L : 1; //trigger once when left button is pressed
bool BONG_L : 1; //trigger once when left button is released
bool BANG_R : 1; //trigger once when right button is pressed
bool BONG_R : 1; //trigger once when right button is released
bool beatWrite : 1; //write to the beat
bool beatErase : 1; //erase this step of the beat
bool ownBeat : 1; //user made beat (is used by musicbox to determine whether to make new beats when beats are toggled back on)
bool BASS : 1; //bassline on off CONTROLLED BY NOTE PLAYER AND PART TICKER
bool MELODY : 1; //melody on off CONTROLLED BY NOTHING YET, CONTROL ME!!!!!!!!!!!!!!!!!!!!!!!!
bool Arp : 1; //if true chords are broken into arpeggios
bool BASSOCT : 1; //if true bass is one octave down
} bools = {
.limbo = false, //define whether we are supposed to do a mode or not
.TMelOrFBass = true,
.swing = false,
.inSignal = false,
.oldInSignal = true,
.syncTick = false,
.sendSync = false,
.receiveSync = false, //false = internal sync , true = external sync
.tonesMode = true,
.portBMode = true, //flag whether we are in a mode that supports portb or not
.allowBDSeqMod = true,
.allowSDSeqMod = true,
.allowHHSeqMod = true,
.leftSwitch = false,
.rightSwitch = false,
.slowMo = false,
.portBticker = true,
.oldLeftSwitch = false,
.oldRightSwitch = false,
.play = false,
.doubleButt = false,
.bend = false,
.disablePortB = false,
.firstRun = true,
.myFirstSongMode = false,
.writeNote = false,
.eraseNote = false,
.preserveMelody = false,
.allowNoteAddition = false, //needs implementing properly
.allowTranspose = false,
.BANG_L = false,
.BONG_L = false,
.BANG_R = false,
.BONG_R = false,
.beatWrite = false,
.beatErase = false,
.ownBeat = false,
.BASS = true,
.MELODY = true,
.Arp = true,
.BASSOCT = true,
};
int bender = 0;
byte a = random(1, 20);
byte b = random(1, 20);
byte c = random(5, 31);
unsigned int BDseq = 0b1000000010000000;
unsigned int SDseq = 0b1111111111111111;
unsigned int HHseq = 0b0000000000000000;
//byte modsSeq[16] = {3,3,3,3,3,3,3,3,5,5,4,4,4,3,4,3};//0b1111000010000000;
byte mood = 4; //how fast the t increases
//byte portBlengths[8] = {50000,1000,500,600,2500,300,500,666};
byte arpLength = 9;
#define initBarLength 32
byte barLength = initBarLength;
// here are the notes pitches bitches
const uint16_t PROGMEM Scale[32] = {
681, 721, 764, 809, 858, 909, 963, 1020, 1080, 1145, 1213, 1286,
1362, 1429, 1529, 1620, 1716, 1818, 1926, 2041, 2162, 2291, 2427, 2571,
2724, 2886, 3058, 3240, 3432, 3636, 3850, 4080
};
//byte bassTempo = 4;
byte scaleSelect = 0; //0 = minor 1 = major 2 = penta
//can be moved to progmem
byte currentScale[15]{ //5 per scale!!!
0, 3, 7, 10, 12,//minor
0, 4, 7, 11, 12, //major
0, 2, 5, 7, 9 //pentatonic
};
byte chordIntervalSelector = 0; //0 Minor, 1 Major, 3 Power
//can be moved to progmem
const byte chordIntevals[9]{
0, 3, 7, //MINOR
0, 4, 7, //MAJOR
0, 5, 12 //POWER
};
#define Channels 4
//byte baseTempo = 3;
//byte Tempo = 4; // 4 = 4 beats per second
byte Decay = 10; // Length of note decay; max 10
unsigned int Acc[Channels]; //should be volatile ?
unsigned int Freq[Channels]; //should be volatile ?
unsigned int Amp[Channels];
//unsigned long Chords[16] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; //This is the chords we will be playing and modifying
unsigned long Chords[initBarLength] = {
0B00000000000000010000000000000000,
0B00000000000000000000000000000000,
0B00000000000000000000000000000000,
0B00000000000000000000000000000000,
0B00000000000000010000000000000000,
0B00000000000000000000000000000000,
0B00000000000000000000000000000000,
0B00000000000000000000000000000000,
0B00000000000000010000000000000000,
0B00000000000000000000000000000000,
0B00000000000000000000000000000000,
0B00000000000000000000000000000000,
0B00000000000000010000000000000000,
0B00000000000000000000000000000000,
0B00000000000000000000000000010000,
0B00000000000000000000000000000000,
0B00000000000000010000000000000000,
0B00000000000000000000000000000000,
0B00000000000000000000000000010000,
0B00000000000000000000000000000000,
0B00000000000000010000000000000000,
0B00000000000000000000000000000000,
0B00000000000000000000000000010000,
0B00000000000000000000000000000000,
0B00000000000000010000000000000000,
0B00000000000000000000000000000000,
0B00000000000000000000000000010000,
0B00000000000000000000000000000000,
0B00000000000000010000000000000000,
0B00000000000000000000000000000000,
0B00000000000000000000000000010000,
0B00000000000000000000000000000000
/* 0B00000000000000001000000000000000,
0B00000000000000000100000000000000,
0B00000000000000000010000000000000,
0B00000000000000000001000000000000,
0B00000000000000000000100000000000,
0B00000000000000000000010000000000,
0B00000000000000000000001000000000,
0B00000000000000000000000100000000,
0B00000000000000000000000010000000,
0B00000000000000000000000001000000,
0B00000000000000000000000000100000,
0B00000000000000000000000000010000,
0B00000000000000000000000000001000,
0B00000000000000000000000000000100,
0B00000000000000000000000000000010,
0B00000000000000000000000000000001,
*/
};
/*
*/
//int doublers = 0B0001000100000000; //NOT YET IMPLEMENTED
//byte amps[16]{ 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5 }; //DECAYS ARE ACTUALLY LOUDNESS!
//int dists = 0B0001000100010001;
//int dists = 0B0010010010010001;
int dists = 0B0000000000000000;
//byte octArray[16] = {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1};
//byte octArray = 0B1010101010101010;
int octArray = 0B0000000000000000;
byte root = 12;
unsigned int ChordsB[initBarLength] = {
0B0000000000001000,
0B0000000000000000,
0B0000000000000000,
0B0000000000001000,
0B0000000000000000,
0B0000000000000000,
0B0000000000001000,
0B0000000000000000,
0B0000000000000000,
0B0000000000000000,
0B0000000000000000,
0B0000000000000000,
0B0000000000000000,
0B0000000000000000,
0B0000000000000000,
0B0000000000000000
/*
0B0000000100000000,
0B0000000000000000,
0B0000000000000000,
0B0000000000000000,
0B0000000100000000,
0B0000000000000000,
0B0000000000000000,
0B0000000100000000,
0B0000000000000000,
0B0000000000000000,
0B0000000100000000,
0B0000000000000000,
0B0000000000000000,
0B0000000100000000,
0B0000000000000000,
0B0000000000000000
*/
};
const uint8_t soloScales[15]{
0, 3, 7, 10, 12, //minor
0, 4, 7, 11, 12, //major
0, 2, 5, 7, 9 //pentatonic
};
//Globals persist throughout tune
byte TunePtr = 0, Chan = 0;
void setup() {
//DDRB = B00010010;
pinMode(tonepin, OUTPUT);
pinMode(portBpin, OUTPUT);
pinMode(SW1, INPUT_PULLUP);
pinMode(SW2, INPUT_PULLUP);
pinMode(LDRpin, INPUT_PULLUP);
///BOOTMODES///
if (!digitalRead(SW1) && !digitalRead(SW2)) { // if both buttons are pushed upon boot
pinMode(tonepin, INPUT);
pinMode(portBpin, INPUT);
bools.allowTranspose = true;
while (syncPin == 0) { //check witch one is released first to decide sync mode //0=normal 1=tones&sync 4=beat&sync
if (digitalRead(portBpin)) { //if the portBpin recieves a pulse, set mode to sync in on portBpin
bools.portBMode = false;
bools.receiveSync = true;
syncPin = portBpin;
pinMode(tonepin, OUTPUT);
mask = B00000000; // if we are in tones and sync mode, we dont want to let portBs out of the portBpin! ALL PORTB GENERATORS SHOULD BE MUTED
}
else if (digitalRead(tonepin)) {
bools.tonesMode = false;
syncPin = tonepin; //received sync on tonepin means syncPin 40, listen to sync on tones pin and play portB ///////////////////////////////////////////////////////////////////////////
pinMode(portBpin, OUTPUT);
bools.receiveSync = true;
bools.portBMode = true;
mode = 4;
}
while (!digitalRead(SW1) || !digitalRead(SW2)) {
//wait
}
/*
//OLD CODE TO CHECK WHAT BUTT IS RELEASED FIRST
if (digitalRead(SW1)) { // TONES OUT AND SYNC OUT /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
bools.portBMode = false;
bools.tonesMode = true;
bools.sendSync = true;
syncPin = 1;
mask = B00000000; // if we are in tones and sync mode, we dont want to let portBs out of the portBpin! ALL PORTB GENERATORS SHOULD BE MUTED
}
else if (digitalRead(SW2)) { // PORTB OUT AND SYNC OUT /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
bools.portBMode = true;
bools.tonesMode = false;
bools.sendSync = true;
syncPin = 4;
mask = B00000010;
}
*/
}
}
else if (!digitalRead(SW1)) { //only SW1 means mode 10 START RIGHT IN TONES WRITING MODE PERHAPS? ////////////////////////////////////////////////////////////////////////////////
bools.portBMode = false;
bools.tonesMode = true;
bools.sendSync = true;
syncPin = 1;
mask = B00000000; // if we are in tones and sync mode, we dont want to let portBs out of the portBpin! ALL PORTB GENERATORS SHOULD BE MUTED
}
else if (!digitalRead(SW2)) { //only SW2 means mode 20 start right on beats prog pergaps? /////////////////////////////////////////////////////////////////////////////////////////
bools.portBMode = true;
bools.tonesMode = false;
bools.sendSync = true;
syncPin = 4;
mask = B00000010;
}
else {
bools.allowTranspose = true;
//bools.portBMode = true;
//bools.tonesMode = true;
//TESTZONE///
// bools.portBMode = true;
// bools.tonesMode = false;
// bools.sendSync = true;
// syncPin = 4;
// mask = B00000010;
//TESTZONE///
}
int randSeed = (analogRead(LDR));
digitalWrite(portBpin, HIGH); //turn on a light to get reflection info to use as second part of randseed
//delay(200);
randSeed = randSeed + (analogRead(LDR)) + birthdate;
randomSeed(randSeed);
PLLCSR = 1 << PCKE | 1 << PLLE; //can remove
// Set up Timer/Counter1 for PWM output
TIMSK = 0; // Timer interrupts OFF
TCCR1 = 1 << CS10; // 1:1 prescale
GTCCR = 1 << PWM1B | 2 << COM1B0; // PWM B, clear on match
OCR1B = 128; //timer counts to 128 then loops back
// Set up Timer/Counter0 for 20kHz interrupt to output samples.
//TCCR0A = 3 << WGM00; // Fast PWM //can remove
TCCR0B = 1 << WGM02 | 2 << CS00; // 1/8 prescale
OCR0A = 99; // Divide by 100
TIMSK = 1 << OCIE0A; // Enable compare match, disable overflow
OSCCAL += 2;
// Set up Watchdog timer for 4 Hz interrupt for note output.
WDTCR = 1 << WDIE | 0 << WDP0; // 4 Hz interrupt
//setup_watchdog
sei();
//generate beats and melodie gener8BDbeat();
gener8SDbeat();
gener8hats();
//gener8Melody();
//melodyTEST();
refreshRandom();
generateDists();
}
void loop() {
//if(periodTimer<syncPeriod){
//playNoteNow(periodTimer, octaveselect, 2);
//}
if (bools.portBMode) {
portB();
}
pinRead(); //check the states of the pins
BANGdetectors();
modeHandle(); //cycle throuth the modes when necessary
if (bools.syncTick) {
digitalWrite(syncPin, !((selex + 1) % 2));
bools.syncTick = false;
}
modeSelect();
}
ISR(TIMER0_COMPA_vect) {
if (bools.tonesMode) {
generatePolyTones();
}
s++;
periodTimer++;
}