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main.cpp
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main.cpp
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#include <Arduino.h>
#include <Adafruit_NeoTrellisM4.h>
#include "instruments.h"
// Permanent buttons
#define BEAT_NUM_0 0
#define BEAT_NUM_1 8
#define BEAT_NUM_2 16
#define BEAT_NUM_3 24
#define PLAY 7
#define BUMP_BEAT 15
#define BUMP_BAR 23
#define PAGE_SEL 31
#define INSTRUMENT_SEL_0 6
#define INSTRUMENT_SEL_1 14
#define INSTRUMENT_SEL_2 22
#define INSTRUMENT_SEL_3 30
// Time buttons
#define BAR_LEN_0 1
#define BAR_LEN_1 9
#define BAR_LEN_2 17
#define BAR_LEN_3 25
#define CLOCK_SYNC 2
#define RAND_TIME_0 10
#define RAND_TIME_1 18
#define RAND_TIME_2 26
#define TAP_TEMPO_0 3
#define TAP_TEMPO_1 11
#define TAP_TEMPO_2 19
#define TAP_TEMPO_3 27
#define LOCAL_BAR_LEN_0 4
#define LOCAL_BAR_LEN_1 12
#define LOCAL_BAR_LEN_2 20
#define LOCAL_BAR_LEN_3 28
#define FREE_RUNNING 5
#define LOCAL_RAND_TIME_0 13
#define LOCAL_RAND_TIME_1 21
#define LOCAL_RAND_TIME_2 29
// Record buttons
#define NOTE_0 25
#define NOTE_1 26
#define NOTE_2 27
#define NOTE_3 28
#define NOTE_4 29
#define NOTE_5 17
#define NOTE_6 18
#define NOTE_7 19
#define NOTE_8 20
#define NOTE_9 21
#define NOTE_10 9
#define NOTE_11 10
#define NOTE_12 11
#define NOTE_13 12
#define NOTE_14 13
#define NOTE_15 1
#define NOTE_16 2
#define NOTE_17 3
#define NOTE_18 4
#define NOTE_19 5
// Bars
#define BAR_COPY_0 4
#define BAR_COPY_1 5
#define BAR_COPY_2 12
#define BAR_COPY_3 13
#define BAR_COPY_4 20
#define BAR_COPY_5 21
#define BAR_COPY_6 28
#define BAR_COPY_7 29
#define RAND_BAR 1
#define NUM_BAR_0 9
#define NUM_BAR_1 17
#define NUM_BAR_2 25
#define GROUP_SIZE_0 10
#define GROUP_SIZE_1 18
#define GROUP_SIZE_2 26
#define GROUP_REPEAT_0 11
#define GROUP_REPEAT_1 19
#define GROUP_REPEAT_2 27
#define APPLY_ALL 2
#define EXCLUDE 3
// Other buttons
#define MAX_VEL_0 2
#define MAX_VEL_1 10
#define MAX_VEL_2 18
#define MAX_VEL_3 26
#define MIN_VEL_0 1
#define MIN_VEL_1 9
#define MIN_VEL_2 17
#define MIN_VEL_3 25
#define RANDOM_BEAT 21
#define OCTAVE_0 12
#define OCTAVE_1 20
#define OCTAVE_2 28
#define BLACK_KEYS 4
#define PANIC 29
#define VEL_MODE 3
#define VEL_PARAM_0 11
#define VEL_PARAM_1 19
#define VEL_PARAM_2 27
#define PROB_0 13
#define PROB_1 5
// Preset buttons
#define INS_COPY_0 3
#define INS_COPY_1 11
#define INS_COPY_2 19
#define INS_COPY_3 27
#define PRESET_ROOT_BAR 1
#define PRESET_ROOT_BEAT 2
#define PRESET_CHORD_BAR 9
#define PRESET_CHORD_BEAT 10
#define PRESET_ARPEG 17
#define PRESET_RAND 26
#define PRESET_CLEAR 25
#define PRESET_COPY 18
#define BAR_PRESET_UP 29
#define BAR_PRESET_BLUESM 5
#define BAR_PRESET_CO5 21
#define BAR_PRESET_BLUES 13
#define BAR_PRESET_POP 12
#define BAR_PRESET_RAND 28
#define BAR_PRESET_MON 4
#define BAR_PRESET_COPY 20
// Misc definitions
#define NUM_INS 16
#define NUM_NOTES 20
#define MAX_BARS 8
#define MAX_BEATS 16
const uint8_t ins_sel_buttons[4] = {INSTRUMENT_SEL_0, INSTRUMENT_SEL_1, INSTRUMENT_SEL_2, INSTRUMENT_SEL_3};
const uint8_t max_vel_buttons[4] = {MAX_VEL_0, MAX_VEL_1, MAX_VEL_2, MAX_VEL_3};
const uint8_t min_vel_buttons[4] = {MIN_VEL_0, MIN_VEL_1, MIN_VEL_2, MIN_VEL_3};
const uint8_t octave_buttons[3] = {OCTAVE_0, OCTAVE_1, OCTAVE_2};
const uint8_t vel_param_buttons[3] = {VEL_PARAM_0, VEL_PARAM_1, VEL_PARAM_2};
const uint8_t bar_copy_buttons[8] = {BAR_COPY_0, BAR_COPY_1, BAR_COPY_2, BAR_COPY_3, BAR_COPY_4, BAR_COPY_5, BAR_COPY_6, BAR_COPY_7};
const uint8_t ins_copy_buttons[4] = {INS_COPY_0, INS_COPY_1, INS_COPY_2, INS_COPY_3};
const uint8_t note_buttons[NUM_NOTES] = {NOTE_0, NOTE_1, NOTE_2, NOTE_3, NOTE_4, NOTE_5, NOTE_6, NOTE_7, NOTE_8, NOTE_9, NOTE_10, NOTE_11, NOTE_12, NOTE_13, NOTE_14, NOTE_15, NOTE_16, NOTE_17, NOTE_18, NOTE_19};
const uint8_t bar_len_buttons[4] = {BAR_LEN_0, BAR_LEN_1, BAR_LEN_2, BAR_LEN_3};
const uint8_t local_bar_len_buttons[4] = {LOCAL_BAR_LEN_0, LOCAL_BAR_LEN_1, LOCAL_BAR_LEN_2, LOCAL_BAR_LEN_3};
const uint8_t num_bar_buttons[3] = {NUM_BAR_0, NUM_BAR_1, NUM_BAR_2};
const uint8_t group_size_buttons[3] = {GROUP_SIZE_0, GROUP_SIZE_1, GROUP_SIZE_2};
const uint8_t group_repeat_buttons[3] = {GROUP_REPEAT_0, GROUP_REPEAT_1, GROUP_REPEAT_2};
const uint8_t tap_tempo_buttons[4] = {TAP_TEMPO_0, TAP_TEMPO_1, TAP_TEMPO_2, TAP_TEMPO_3};
const uint8_t rand_time_buttons[3] = {RAND_TIME_0, RAND_TIME_1, RAND_TIME_2};
const uint8_t local_rand_time_buttons[3] = {LOCAL_RAND_TIME_0, LOCAL_RAND_TIME_1, LOCAL_RAND_TIME_2};
Adafruit_NeoTrellisM4 trellis;
bool letter[6][20] = {{0, 1, 0, 1, 0, 0, 1, 1, 1, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0},
{0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0},
{0, 1, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 0, 1, 0, 0, 1, 1, 0, 0},
{0, 1, 1, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 1, 1, 0},
{0, 1, 1, 1, 0, 0, 1, 0, 1, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 0},
{0, 1, 0, 0, 0, 0, 1, 1, 1, 0, 0, 1, 0, 1, 0, 0, 1, 1, 1, 0}};
// Bar stuff
const int counter_color[8] = {0xFF0000, 0xFF2000, 0xFF4800, 0xFF8500, 0xFFAF00, 0xAFFF00, 0x60FF00, 0x00FF00};
uint8_t num_bars = MAX_BARS-1;
uint8_t group_size = 0;
uint8_t group_repeats = 0;
uint8_t bar_num = 0;
bool rand_bar = false;
bool apply_all = false;
int group_size_counter = group_size + 1;
int group_repeats_counter = group_repeats + 1;
// Time stuff
uint8_t num_beats = MAX_BEATS-1;
uint8_t beat_num = 0;
uint8_t clock_sync = 0;
uint8_t rand_time = 0;
unsigned long beat_len = 125000; // Corresponds to 120 bpm 16th notes
unsigned long off_beat_len = 125000;
unsigned long last_beat = micros();
unsigned long tap_timer = 0;
bool tapping = false;
unsigned long clk_timer = 0;
uint8_t clock_counter = 0;
midiEventPacket_t clock_packet = {0x0F, 0xF8};
// Permanent stuff
bool play = true;
bool show_mode = false;
enum page {
show_all = 0,
edit_time = 1,
edit_notes = 2,
edit_other = 3,
edit_bars = 4,
edit_presets = 5
};
page page_select = show_all;
// Melody & instrument stuff
instruments ins[NUM_INS];
int bar_to_copy = -1;
uint8_t instrument_selector = 0;
uint8_t ins_copy = 0;
const int frets[12] = {0, 2, 3, 5, 7, 8, 10, 12, 14, 15, 17, 19};
// FUNCTIONS
void takeStep() {
last_beat = micros();
beat_num++;
beat_num %= num_beats + 1;
if (beat_num == 0)
{
group_size_counter--;
if (group_size_counter <= 0)
{
group_size_counter = group_size + 1;
group_repeats_counter--;
if (group_repeats_counter <= 0)
{
group_repeats_counter = group_repeats + 1;
if (rand_bar)
{
bar_num = random(num_bars + 1);
}
else
{
bar_num++;
}
}
else
{
bar_num-= group_size;
}
}
else
{
bar_num++;
}
bar_num += num_bars + 1;
bar_num %= num_bars + 1;
}
int variation = beat_len * rand_time / 14;
off_beat_len = beat_len + random(-variation, variation);
for (int i = 0; i < NUM_INS; i++)
{
ins[i].setTimePoint(bar_num, beat_num);
ins[i].setNoteTimes(last_beat, off_beat_len);
ins[i].setVel();
}
}
int conditionalColor(bool button_status, int button_color) {
if (button_status)
{
return button_color;
}
return 0x000000;
}
void setPixelColor(uint32_t p, uint32_t c) {
static uint32_t prev_c[32];
if(prev_c[p] != c)
{
trellis.setPixelColor(p, c);
prev_c[p] = c;
}
}
void display() {
for (int i = 0; i < 4; i++)
{
if (beat_num & (8>>i))
{
setPixelColor(i<<3, 0xFFFFFF);
}
else
{
setPixelColor(i<<3, 0x000000);
}
setPixelColor(ins_sel_buttons[i], conditionalColor(instrument_selector & (8>>i), 0xFF8FFF));
}
if(play) setPixelColor(PLAY, 0x00FF00);
else setPixelColor(PLAY, 0xFF0000);
setPixelColor(BUMP_BEAT, counter_color[bar_num]);
setPixelColor(BUMP_BAR, counter_color[bar_num]);
setPixelColor(PAGE_SEL, counter_color[page_select]);
if (show_mode)
{
for (int i = 0; i < NUM_NOTES; i++)
{
setPixelColor(note_buttons[i], conditionalColor(letter[page_select][i], 0xFFFFFF));
}
}
else
{
int canvas[NUM_NOTES] = {0};
switch (page_select)
{
case show_all: // SHOW ALL MELODIES
for (int i = 0; i < NUM_NOTES; i++)
{
for (int j = 0; j < NUM_INS; j++)
{
canvas[i] |= ins[j].showNote(i);
}
setPixelColor(note_buttons[i], canvas[i]);
}
break;
case edit_notes: // EDIT NOTES
for (int i = 0; i < NUM_NOTES; i++)
{
setPixelColor(note_buttons[i], ins[instrument_selector].findMelodyEditColor(i));
}
break;
case edit_other: // EDIT OTHER
for (int i = 0; i < 4; i++)
{
setPixelColor(max_vel_buttons[i], conditionalColor(ins[instrument_selector].max_vel & (64>>i), 0xFF3500));
setPixelColor(min_vel_buttons[i], conditionalColor(ins[instrument_selector].min_vel & (64>>i), 0xFF8800));
}
for (int i = 0; i < 3; i++)
{
setPixelColor(octave_buttons[i], conditionalColor(ins[instrument_selector].octave & (4>>i), 0x00FFFF));
setPixelColor(vel_param_buttons[i], conditionalColor(ins[instrument_selector].vel_param & (4>>i), 0xFF0F00));
}
setPixelColor(PROB_0, conditionalColor(ins[instrument_selector].prob & 1, 0xFF2F2F));
setPixelColor(PROB_1, conditionalColor(ins[instrument_selector].prob & 2, 0xFF2F2F));
setPixelColor(VEL_MODE, ins[instrument_selector].velModeColor());
setPixelColor(RANDOM_BEAT, conditionalColor(ins[instrument_selector].random_beat, 0xFFFF00));
setPixelColor(BLACK_KEYS, conditionalColor(ins[instrument_selector].black_keys, 0xFFFFFF));
setPixelColor(PANIC, 0xFF0000);
break;
case edit_presets: // EDIT PRESETS
for (int i = 0; i < 4; i++)
{
setPixelColor(ins_copy_buttons[i], conditionalColor(ins_copy & (8>>i), 0xFF4FFF));
}
setPixelColor(PRESET_ROOT_BAR, 0x0000FF);
setPixelColor(PRESET_ROOT_BEAT, 0x4000FF);
setPixelColor(PRESET_CHORD_BAR, 0x0000FF);
setPixelColor(PRESET_CHORD_BEAT, 0x4000FF);
setPixelColor(PRESET_ARPEG, 0x00A01A);
setPixelColor(PRESET_RAND, 0xFFFF00);
setPixelColor(PRESET_CLEAR, 0xFF0000);
setPixelColor(PRESET_COPY, 0xFF1FFF);
setPixelColor(BAR_PRESET_UP, 0xFF0000);
setPixelColor(BAR_PRESET_BLUESM, 0x0000FF);
setPixelColor(BAR_PRESET_CO5, 0x00A01A);
setPixelColor(BAR_PRESET_BLUES, 0x0000FF);
setPixelColor(BAR_PRESET_POP, 0x4000FF);
setPixelColor(BAR_PRESET_RAND, 0xFFFF00);
setPixelColor(BAR_PRESET_MON, 0x4000FF);
setPixelColor(BAR_PRESET_COPY, 0xFF1FFF);
break;
case edit_bars: // EDIT BARS
for (int i = 0; i < 8; i++)
{
if ((i == bar_num) & !(beat_num%2))
{
setPixelColor(bar_copy_buttons[i], 0x000000);
}
else
{
setPixelColor(bar_copy_buttons[i], counter_color[ins[instrument_selector].bar_copy[i]]);
}
}
for (int i = 0; i < 3; i++)
{
setPixelColor(num_bar_buttons[i], conditionalColor(num_bars & (4>>i), 0xFF0AA0));
setPixelColor(group_size_buttons[i], conditionalColor(group_size & (4>>i), 0x4F0AFF));
setPixelColor(group_repeat_buttons[i], conditionalColor(group_repeats & (4>>i), 0x1F0AFF));
}
setPixelColor(RAND_BAR, conditionalColor(rand_bar, 0xFFFF00));
setPixelColor(APPLY_ALL, conditionalColor(apply_all, 0xFF4F1F));
setPixelColor(EXCLUDE, conditionalColor(ins[instrument_selector].lock_bars, 0xFF1F1F));
break;
case edit_time: // EDIT TIME
for (int i = 0; i < 4; i++)
{
setPixelColor(bar_len_buttons[i], conditionalColor(num_beats & (8>>i), 0x0FFF0A));
setPixelColor(local_bar_len_buttons[i], conditionalColor(ins[instrument_selector].num_beats & (8>>i), 0x0FFF0A));
setPixelColor(tap_tempo_buttons[i], conditionalColor(!tapping, 0xFF000F));
}
for (int i = 0; i < 3; i++)
{
setPixelColor(rand_time_buttons[i], conditionalColor(rand_time & (4>>i), 0x00FFFF));
setPixelColor(local_rand_time_buttons[i], conditionalColor(ins[instrument_selector].rand_time & (4>>i), 0x00FFFF));
}
switch (clock_sync)
{
case 0:
setPixelColor(CLOCK_SYNC, 0xFF0000);
break;
case 1:
setPixelColor(CLOCK_SYNC, 0x00FF00);
break;
case 2:
setPixelColor(CLOCK_SYNC, 0xFFFF00);
break;
default:
break;
}
setPixelColor(FREE_RUNNING, conditionalColor(ins[instrument_selector].free_running, 0xFF4F00));
break;
default:
break;
}
}
}
void update_bar_to_copy() {
if (bar_to_copy == -1) {
if(trellis.isPressed(BAR_COPY_0)) bar_to_copy = 0;
else if (trellis.isPressed(BAR_COPY_1)) bar_to_copy = 1;
else if (trellis.isPressed(BAR_COPY_2)) bar_to_copy = 2;
else if (trellis.isPressed(BAR_COPY_3)) bar_to_copy = 3;
else if (trellis.isPressed(BAR_COPY_4)) bar_to_copy = 4;
else if (trellis.isPressed(BAR_COPY_5)) bar_to_copy = 5;
else if (trellis.isPressed(BAR_COPY_6)) bar_to_copy = 6;
else if (trellis.isPressed(BAR_COPY_7)) bar_to_copy = 7;
}
else {
if(!trellis.isPressed(bar_copy_buttons[bar_to_copy])){
bar_to_copy = -1;
}
}
}
void set_bar(int bar_num) {
update_bar_to_copy();
if (bar_to_copy != -1 & !ins[instrument_selector].lock_bars)
{
if (apply_all)
{
for (int i = 0; i < NUM_INS; i++)
{
if (!ins[i].lock_bars)
{
ins[i].bar_copy[bar_num] = bar_to_copy;
}
}
}
else
{
ins[instrument_selector].bar_copy[bar_num] = bar_to_copy;
}
}
}
void setup() {
Serial.begin(9600);
trellis.begin();
trellis.setBrightness(80);
trellis.enableUSBMIDI(true);
for (int i = 0; i < NUM_INS; i++)
{
ins[i].begin(&trellis);
ins[i].color_picker = i%6;
}
display();
}
void loop() {
trellis.tick();
display();
while (trellis.available())
{
keypadEvent e = trellis.read();
uint8_t butt = e.bit.KEY;
trellis.setUSBMIDIchannel(instrument_selector);
if (e.bit.EVENT == KEY_JUST_PRESSED)
{
switch (butt)
{
case BEAT_NUM_0:
beat_num ^= 1 << 3;
break;
case BEAT_NUM_1:
beat_num ^= 1 << 2;
break;
case BEAT_NUM_2:
beat_num ^= 1 << 1;
break;
case BEAT_NUM_3:
beat_num ^= 1;
break;
case INSTRUMENT_SEL_0:
instrument_selector ^= 1 << 3;
break;
case INSTRUMENT_SEL_1:
instrument_selector ^= 1 << 2;
break;
case INSTRUMENT_SEL_2:
instrument_selector ^= 1 << 1;
break;
case INSTRUMENT_SEL_3:
instrument_selector ^= 1;
break;
case PLAY:
play ^= true;
group_repeats_counter = group_repeats + 1;
group_size_counter = group_size + 1;
break;
case BUMP_BEAT:
takeStep();
break;
case BUMP_BAR:
beat_num = -1;
takeStep();
break;
case PAGE_SEL:
page_select = (page) ((page_select + 1) % 6);
show_mode = true;
break;
default:
break;
}
if (show_mode)
{
// TODO add quick way to pick mode
}
else
{
switch (page_select)
{
case edit_notes:
ins[instrument_selector].setTimePoint(bar_num, beat_num);
// It is intentional that there is no break statement here
case show_all:
switch (butt)
{
case NOTE_0:
ins[instrument_selector].noteOn(0, 80, (page_select == edit_notes));
break;
case NOTE_1:
ins[instrument_selector].noteOn(1, 80, (page_select == edit_notes));
break;
case NOTE_2:
ins[instrument_selector].noteOn(2, 80, (page_select == edit_notes));
break;
case NOTE_3:
ins[instrument_selector].noteOn(3, 80, (page_select == edit_notes));
break;
case NOTE_4:
ins[instrument_selector].noteOn(4, 80, (page_select == edit_notes));
break;
case NOTE_5:
ins[instrument_selector].noteOn(5, 80, (page_select == edit_notes));
break;
case NOTE_6:
ins[instrument_selector].noteOn(6, 80, (page_select == edit_notes));
break;
case NOTE_7:
ins[instrument_selector].noteOn(7, 80, (page_select == edit_notes));
break;
case NOTE_8:
ins[instrument_selector].noteOn(8, 80, (page_select == edit_notes));
break;
case NOTE_9:
ins[instrument_selector].noteOn(9, 80, (page_select == edit_notes));
break;
case NOTE_10:
ins[instrument_selector].noteOn(10, 80, (page_select == edit_notes));
break;
case NOTE_11:
ins[instrument_selector].noteOn(11, 80, (page_select == edit_notes));
break;
case NOTE_12:
ins[instrument_selector].noteOn(12, 80, (page_select == edit_notes));
break;
case NOTE_13:
ins[instrument_selector].noteOn(13, 80, (page_select == edit_notes));
break;
case NOTE_14:
ins[instrument_selector].noteOn(14, 80, (page_select == edit_notes));
break;
case NOTE_15:
ins[instrument_selector].noteOn(15, 80, (page_select == edit_notes));
break;
case NOTE_16:
ins[instrument_selector].noteOn(16, 80, (page_select == edit_notes));
break;
case NOTE_17:
ins[instrument_selector].noteOn(17, 80, (page_select == edit_notes));
break;
case NOTE_18:
ins[instrument_selector].noteOn(18, 80, (page_select == edit_notes));
break;
case NOTE_19:
ins[instrument_selector].noteOn(19, 80, (page_select == edit_notes));
break;
default:
break;
}
break;
case edit_other:
switch (butt)
{
case MAX_VEL_0:
ins[instrument_selector].max_vel ^= 1<<6;
break;
case MAX_VEL_1:
ins[instrument_selector].max_vel ^= 1<<5;
break;
case MAX_VEL_2:
ins[instrument_selector].max_vel ^= 1<<4;
break;
case MAX_VEL_3:
ins[instrument_selector].max_vel ^= 1<<3;
break;
case PROB_0:
ins[instrument_selector].prob ^= 1;
break;
case PROB_1:
ins[instrument_selector].prob ^= 2;
break;
case VEL_MODE:
ins[instrument_selector].vel_mode = (velocity_mode) ((ins[instrument_selector].vel_mode + 1) % 5);
break;
case RANDOM_BEAT:
ins[instrument_selector].random_beat ^= true;
break;
case PANIC:
trellis.controlChange(123, 123);
break;
case BLACK_KEYS:
ins[instrument_selector].black_keys ^= true;
break;
case MIN_VEL_0:
ins[instrument_selector].min_vel ^= 1<<6;
break;
case MIN_VEL_1:
ins[instrument_selector].min_vel ^= 1<<5;
break;
case MIN_VEL_2:
ins[instrument_selector].min_vel ^= 1<<4;
break;
case MIN_VEL_3:
ins[instrument_selector].min_vel ^= 1<<3;
break;
case OCTAVE_0:
ins[instrument_selector].octave ^= 1<<2;
break;
case OCTAVE_1:
ins[instrument_selector].octave ^= 1<<1;
break;
case OCTAVE_2:
ins[instrument_selector].octave ^= 1;
break;
case VEL_PARAM_0:
ins[instrument_selector].vel_param ^= 1<<2;
break;
case VEL_PARAM_1:
ins[instrument_selector].vel_param ^= 1<<1;
break;
case VEL_PARAM_2:
ins[instrument_selector].vel_param ^= 1;
break;
default:
break;
}
ins[instrument_selector].min_vel = min(ins[instrument_selector].min_vel, ins[instrument_selector].max_vel);
break;
case edit_bars:
switch (butt)
{
case BAR_COPY_0:
set_bar(0);
break;
case BAR_COPY_1:
set_bar(1);
break;
case BAR_COPY_2:
set_bar(2);
break;
case BAR_COPY_3:
set_bar(3);
break;
case BAR_COPY_4:
set_bar(4);
break;
case BAR_COPY_5:
set_bar(5);
break;
case BAR_COPY_6:
set_bar(6);
break;
case BAR_COPY_7:
set_bar(7);
break;
case RAND_BAR:
rand_bar ^= true;
break;
case APPLY_ALL:
apply_all ^= true;
break;
case EXCLUDE:
ins[instrument_selector].lock_bars ^= true;
break;
case NUM_BAR_0:
num_bars ^= 1<<2;
break;
case NUM_BAR_1:
num_bars ^= 1<<1;
break;
case NUM_BAR_2:
num_bars ^= 1;
break;
case GROUP_SIZE_0:
group_size ^= 1<<2;
break;
case GROUP_SIZE_1:
group_size ^= 1<<1;
break;
case GROUP_SIZE_2:
group_size ^= 1;
break;
case GROUP_REPEAT_0:
group_repeats ^= 1<<2;
break;
case GROUP_REPEAT_1:
group_repeats ^= 1<<1;
break;
case GROUP_REPEAT_2:
group_repeats ^= 1;
break;
}
break;
case edit_presets:
switch (butt)
{
case PRESET_ROOT_BAR:
for (int i = 0; i < MAX_BARS; i++)
{
ins[instrument_selector].note_on[0][i] = 1<<frets[i];
ins[instrument_selector].note_off[0][i] = ~(1<<frets[i]);
}
break;
case PRESET_ROOT_BEAT:
for (int i = 0; i < MAX_BARS; i++)
{
for (int j = 0; j < MAX_BEATS; j++)
{
ins[instrument_selector].note_on[j][i] = 1<<frets[i];
ins[instrument_selector].note_off[j][i] = 1<<frets[i];
}
}
break;
case PRESET_CHORD_BAR:
for (int i = 0; i < MAX_BARS; i++)
{
uint32_t root = 1<<frets[i];
uint32_t third = i < 6 ? 1<<frets[i+2] : 1<<frets[i-5];
uint32_t fifth = i < 4 ? 1<<frets[i+4] : 1<<frets[i-3];
ins[instrument_selector].note_on[0][i] = root | third | fifth;
ins[instrument_selector].note_off[0][i] = ~(root | third | fifth);
}
break;
case PRESET_CHORD_BEAT:
for (int i = 0; i < MAX_BARS; i++)
{
uint32_t root = 1<<frets[i];
uint32_t third = i < 6 ? 1<<frets[i+2] : 1<<frets[i-5];
uint32_t fifth = i < 4 ? 1<<frets[i+4] : 1<<frets[i-3];
for (int j = 0; j < MAX_BEATS; j++)
{
ins[instrument_selector].note_on[j][i] = root | third | fifth;
ins[instrument_selector].note_off[j][i] = root | third | fifth;
}
}
break;
case PRESET_ARPEG:
for (int i = 0; i < MAX_BARS; i++)
{
for (int j = 0; j < MAX_BEATS; j++)
{
int note = 1<<frets[i + (j%3)*2];
ins[instrument_selector].note_on[j][i] = note;
ins[instrument_selector].note_off[j][i] = note;
}
}
break;
case PRESET_RAND:
for (int i = 0; i < MAX_BARS; i++)
{
for (int j = 0; j < MAX_BEATS; j++)
{
int note = random(NUM_NOTES);
ins[instrument_selector].note_on[j][i] = 1<<note;
ins[instrument_selector].note_off[j][i] = 1<<note;
}
}
break;
case PRESET_CLEAR:
for (int i = 0; i < MAX_BARS; i++)
{
for (int j = 0; j < MAX_BEATS; j++)
{
ins[instrument_selector].note_on[j][i] = 0;
ins[instrument_selector].note_off[j][i] = 0;
}
}
break;
case PRESET_COPY:
for (int i = 0; i < MAX_BARS; i++)
{
for (int j = 0; j < MAX_BEATS; j++)
{
ins[instrument_selector].note_on[j][i] = ins[ins_copy].note_on[j][i];
ins[instrument_selector].note_off[j][i] = ins[ins_copy].note_off[j][i];
}
}
break;
case BAR_PRESET_UP:
for (int i = 0; i < MAX_BARS; i++)
{
ins[instrument_selector].bar_copy[i] = i;
}
break;
case BAR_PRESET_BLUESM:
ins[instrument_selector].bar_copy[0] = 0;
ins[instrument_selector].bar_copy[1] = 0;
ins[instrument_selector].bar_copy[2] = 3;
ins[instrument_selector].bar_copy[3] = 0;
ins[instrument_selector].bar_copy[4] = 4;
ins[instrument_selector].bar_copy[5] = 3;
ins[instrument_selector].bar_copy[6] = 0;
ins[instrument_selector].bar_copy[7] = 0;
break;
case BAR_PRESET_CO5:
ins[instrument_selector].bar_copy[0] = 0;
ins[instrument_selector].bar_copy[1] = 3;
ins[instrument_selector].bar_copy[2] = 6;
ins[instrument_selector].bar_copy[3] = 2;
ins[instrument_selector].bar_copy[4] = 5;
ins[instrument_selector].bar_copy[5] = 1;
ins[instrument_selector].bar_copy[6] = 4;
ins[instrument_selector].bar_copy[7] = 7;
break;
case BAR_PRESET_BLUES:
ins[instrument_selector].bar_copy[0] = 2;
ins[instrument_selector].bar_copy[1] = 2;
ins[instrument_selector].bar_copy[2] = 5;
ins[instrument_selector].bar_copy[3] = 2;
ins[instrument_selector].bar_copy[4] = 6;
ins[instrument_selector].bar_copy[5] = 5;
ins[instrument_selector].bar_copy[6] = 2;
ins[instrument_selector].bar_copy[7] = 2;
break;
case BAR_PRESET_POP:
ins[instrument_selector].bar_copy[0] = 2;
ins[instrument_selector].bar_copy[1] = 6;
ins[instrument_selector].bar_copy[2] = 0;
ins[instrument_selector].bar_copy[3] = 5;
ins[instrument_selector].bar_copy[4] = 2;
ins[instrument_selector].bar_copy[5] = 6;
ins[instrument_selector].bar_copy[6] = 0;
ins[instrument_selector].bar_copy[7] = 5;
break;
case BAR_PRESET_RAND:
for (int i = 0; i < MAX_BARS; i++)
{
ins[instrument_selector].bar_copy[i] = random(0, 8);
}
break;
case BAR_PRESET_MON:
for (int i = 0; i < MAX_BARS; i++)
{
ins[instrument_selector].bar_copy[i] = 0;
}
break;
case BAR_PRESET_COPY:
for (int i = 0; i < MAX_BARS; i++)
{
ins[instrument_selector].bar_copy[i] = ins[ins_copy].bar_copy[i];
}
break;
case INS_COPY_0:
ins_copy ^= 1 << 3;
break;
case INS_COPY_1:
ins_copy ^= 1 << 2;
break;
case INS_COPY_2:
ins_copy ^= 1 << 1;
break;
case INS_COPY_3:
ins_copy ^= 1;
break;
default:
break;
}
break;
case edit_time:
switch (butt)
{
case BAR_LEN_0:
num_beats ^= 1<<3;
break;
case BAR_LEN_1:
num_beats ^= 1<<2;
break;
case BAR_LEN_2:
num_beats ^= 1<<1;
break;
case BAR_LEN_3:
num_beats ^= 1;
break;
case TAP_TEMPO_0:
case TAP_TEMPO_1:
case TAP_TEMPO_2:
case TAP_TEMPO_3:
tap_timer = micros();
tapping = true;
break;
case LOCAL_BAR_LEN_0:
ins[instrument_selector].num_beats ^= 1<<3;
break;
case LOCAL_BAR_LEN_1:
ins[instrument_selector].num_beats ^= 1<<2;
break;
case LOCAL_BAR_LEN_2:
ins[instrument_selector].num_beats ^= 1<<1;
break;
case LOCAL_BAR_LEN_3:
ins[instrument_selector].num_beats ^= 1;
break;
case FREE_RUNNING:
ins[instrument_selector].free_running ^= true;
break;
case LOCAL_RAND_TIME_0:
ins[instrument_selector].rand_time ^= 1<<2;
break;
case LOCAL_RAND_TIME_1:
ins[instrument_selector].rand_time ^= 1<<1;
break;
case LOCAL_RAND_TIME_2:
ins[instrument_selector].rand_time ^= 1;