/
dexed.cpp
1805 lines (1468 loc) · 42.1 KB
/
dexed.cpp
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/*
MicroDexed
MicroDexed is a port of the Dexed sound engine
(https://github.com/asb2m10/dexed) for the Teensy-3.5/3.6/4.x with audio shield.
Dexed ist heavily based on https://github.com/google/music-synthesizer-for-android
(c)2018-2021 H. Wirtz <wirtz@parasitstudio.de>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software Foundation,
Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <arm_math.h>
#include <limits.h>
#include <cstdlib>
#include <stdint.h>
#include <unistd.h>
#include "dexed.h"
#include "synth.h"
#include "fm_core.h"
#include "exp2.h"
#include "sin.h"
#include "freqlut.h"
#include "controllers.h"
#include "PluginFx.h"
#include "porta.h"
#include "compressor.h"
Dexed::Dexed(uint8_t maxnotes, int rate)
{
samplerate = float32_t(rate);
Exp2::init();
Tanh::init();
Sin::init();
Freqlut::init(rate);
Lfo::init(rate);
PitchEnv::init(rate);
Env::init_sr(rate);
Porta::init_sr(rate);
fx.init(rate);
max_notes = maxnotes;
currentNote = 0;
resetControllers();
controllers.masterTune = 0;
controllers.opSwitch = 0x3f; // enable all operators
lastKeyDown = -1;
vuSignal = 0.0;
lfo.reset(data + 137);
sustain = false;
voices = NULL;
setMaxNotes(max_notes);
setMonoMode(false);
loadInitVoice();
xrun = 0;
render_time_max = 0;
setVelocityScale(MIDI_VELOCITY_SCALING_OFF);
setNoteRefreshMode(false);
engineMsfa = new EngineMsfa;
engineMkI = new EngineMkI;
engineOpl = new EngineOpl;
setEngineType(MKI);
#ifndef TEENSYDUINO
compressor = new Compressor(samplerate);
#endif
use_compressor = false;
}
Dexed::~Dexed()
{
currentNote = -1;
for (uint8_t note = 0; note < max_notes; note++)
delete voices[note].dx7_note;
for (uint8_t note = 0; note < max_notes; note++)
delete &voices[note];
}
void Dexed::setEngineType(uint8_t engine)
{
panic();
switch(engine)
{
case MSFA:
controllers.core = (EngineMkI*)engineMsfa;
engineType=MSFA;
break;
case MKI:
controllers.core = (EngineMkI*)engineMkI;
engineType=MKI;
break;
case OPL:
controllers.core = (EngineMkI*)engineOpl;
engineType=OPL;
break;
default:
controllers.core = (EngineMkI*)engineMsfa;
engineType=MSFA;
break;
}
controllers.refresh();
}
uint8_t Dexed::getEngineType(void)
{
return(engineType);
}
FmCore* Dexed::getEngineAddress(void)
{
return(controllers.core);
}
void Dexed::setMaxNotes(uint8_t new_max_notes)
{
uint8_t i = 0;
max_notes = constrain(max_notes, 0, _MAX_NOTES);
#if defined(MICRODEXED_VERSION) && defined(DEBUG)
Serial.print("Allocating memory for ");
Serial.print(max_notes, DEC);
Serial.println(" notes.");
Serial.println();
#endif
if (voices)
{
panic();
for (i = 0; i < max_notes; i++)
{
if (voices[i].dx7_note)
delete voices[i].dx7_note;
}
delete(voices);
}
max_notes = constrain(new_max_notes, 0, _MAX_NOTES);
if (max_notes > 0)
{
voices = new ProcessorVoice[max_notes]; // sizeof(ProcessorVoice) = 20
for (i = 0; i < max_notes; i++)
{
voices[i].dx7_note = new Dx7Note; // sizeof(Dx7Note) = 692
voices[i].keydown = false;
voices[i].sustained = false;
voices[i].live = false;
voices[i].key_pressed_timer = 0;
}
}
else
voices = NULL;
}
void Dexed::activate(void)
{
panic();
controllers.refresh();
}
void Dexed::deactivate(void)
{
panic();
}
void Dexed::getSamples(float32_t* buffer, uint16_t n_samples)
{
if (refreshVoice)
{
for (uint8_t i = 0; i < max_notes; i++)
{
if ( voices[i].live )
voices[i].dx7_note->update(data, voices[i].midi_note, voices[i].velocity, voices[i].porta, &controllers);
}
lfo.reset(data + 137);
refreshVoice = false;
}
arm_fill_f32(0.0, buffer, n_samples);
for (uint16_t i = 0; i < n_samples; i += _N_)
{
AlignedBuf<int32_t, _N_> audiobuf;
for (uint8_t j = 0; j < _N_; ++j)
{
audiobuf.get()[j] = 0;
}
int32_t lfovalue = lfo.getsample();
int32_t lfodelay = lfo.getdelay();
for (uint8_t note = 0; note < max_notes; note++)
{
if (voices[note].live)
{
voices[note].dx7_note->compute(audiobuf.get(), lfovalue, lfodelay, &controllers);
for (uint8_t j = 0; j < _N_; ++j)
{
buffer[i + j] += signed_saturate_rshift(audiobuf.get()[j] >> 4, 24, 9) / 32768.0;
audiobuf.get()[j] = 0;
}
}
}
}
fx.process(buffer, n_samples); // Needed for fx.Gain()!!!
#ifndef TEENSYDUINO
if (use_compressor == true)
compressor->doCompression(buffer, n_samples);
#endif
}
void Dexed::getSamples(int16_t* buffer, uint16_t n_samples)
{
float32_t tmp[n_samples];
getSamples(tmp, n_samples);
arm_float_to_q15(tmp, (q15_t*)buffer, n_samples);
}
void Dexed::keydown(int16_t pitch, uint8_t velo) {
if ( velo == 0 ) {
keyup(pitch);
return;
}
velo=uint8_t((float(velo)/127.0)*velocity_diff+0.5)+velocity_offset;
pitch += data[144] - TRANSPOSE_FIX;
int previousKeyDown = lastKeyDown;
lastKeyDown = pitch;
int porta = -1;
if ( controllers.portamento_enable_cc && previousKeyDown >= 0 )
porta = controllers.portamento_cc;
uint8_t note = currentNote;
uint8_t keydown_counter = 0;
if (!monoMode && noteRefreshMode)
{
for (uint8_t i = 0; i < max_notes; i++)
{
if (voices[i].midi_note == pitch && voices[i].keydown == false && voices[i].live && voices[i].sustained == true)
{
// retrigger or refresh note?
voices[i].dx7_note->keyup();
voices[i].midi_note = pitch;
voices[i].velocity = velo;
voices[i].keydown = true;
voices[i].sustained = sustain;
voices[i].live = true;
voices[i].dx7_note->init(data, pitch, velo, pitch, porta, &controllers);
voices[i].key_pressed_timer = millis();
return;
}
}
}
for (uint8_t i = 0; i <= max_notes; i++)
{
if (i == max_notes)
{
uint32_t min_timer = 0xffff;
if (monoMode)
break;
// no free sound slot found, so use the oldest note slot
for (uint8_t n = 0; n < max_notes; n++)
{
if (voices[n].key_pressed_timer < min_timer)
{
min_timer = voices[n].key_pressed_timer;
note = n;
}
}
voices[note].keydown = false;
voices[note].sustained = false;
voices[note].live = false;
voices[note].key_pressed_timer = 0;
keydown_counter--;
}
if (!voices[note].keydown)
{
currentNote = (note + 1) % max_notes;
//if (keydown_counter == 0) // Original comment: TODO: should only do this if # keys down was 0
lfo.keydown();
voices[note].midi_note = pitch;
voices[note].velocity = velo;
voices[note].sustained = sustain;
voices[note].keydown = true;
int srcnote = (previousKeyDown >= 0) ? previousKeyDown : pitch;
voices[note].dx7_note->init(data, pitch, velo, srcnote, porta, &controllers);
if ( data[136] )
voices[note].dx7_note->oscSync();
voices[i].key_pressed_timer = millis();
keydown_counter++;
break;
}
else
{
keydown_counter++;
}
note = (note + 1) % max_notes;
}
if ( monoMode ) {
for (uint8_t i = 0; i < max_notes; i++) {
if ( voices[i].live ) {
// all keys are up, only transfer signal
if ( ! voices[i].keydown ) {
voices[i].live = false;
voices[note].dx7_note->transferSignal(*voices[i].dx7_note);
break;
}
if ( voices[i].midi_note < pitch ) {
voices[i].live = false;
voices[note].dx7_note->transferState(*voices[i].dx7_note);
break;
}
return;
}
}
}
voices[note].live = true;
}
void Dexed::keyup(int16_t pitch) {
uint8_t note;
pitch = constrain(pitch, 0, 127);
pitch += data[144] - TRANSPOSE_FIX;
for (note = 0; note < max_notes; note++) {
if ( voices[note].midi_note == pitch && voices[note].keydown ) {
voices[note].keydown = false;
voices[note].key_pressed_timer = 0;
break;
}
}
// note not found ?
if ( note >= max_notes ) {
return;
}
if ( monoMode ) {
int16_t highNote = -1;
uint8_t target = 0;
for (int8_t i = 0; i < max_notes; i++) {
if ( voices[i].keydown && voices[i].midi_note > highNote ) {
target = i;
highNote = voices[i].midi_note;
}
}
if ( highNote != -1 && voices[note].live ) {
voices[note].live = false;
voices[note].key_pressed_timer = 0;
voices[target].live = true;
voices[target].dx7_note->transferState(*voices[note].dx7_note);
}
}
if ( sustain ) {
voices[note].sustained = true;
} else {
voices[note].dx7_note->keyup();
}
}
void Dexed::doRefreshVoice(void)
{
refreshVoice = true;
}
void Dexed::setOPAll(uint8_t ops)
{
controllers.opSwitch = ops;
}
bool Dexed::getMonoMode(void) {
return monoMode;
}
void Dexed::setMonoMode(bool mode) {
if (monoMode == mode)
return;
notesOff();
monoMode = mode;
}
void Dexed::setNoteRefreshMode(bool mode) {
noteRefreshMode = mode;
}
void Dexed::setSustain(bool s)
{
if (sustain == s)
return;
sustain = s;
if (!getSustain())
{
for (uint8_t note = 0; note < getMaxNotes(); note++)
{
if (voices[note].sustained && !voices[note].keydown)
{
voices[note].dx7_note->keyup();
voices[note].sustained = false;
}
}
}
}
bool Dexed::getSustain(void)
{
return sustain;
}
void Dexed::panic(void)
{
for (uint8_t i = 0; i < max_notes; i++)
{
if (voices[i].live == true) {
voices[i].keydown = false;
voices[i].live = false;
voices[i].sustained = false;
voices[i].key_pressed_timer = 0;
if ( voices[i].dx7_note != NULL ) {
voices[i].dx7_note->oscSync();
}
}
}
setSustain(0);
}
void Dexed::resetControllers(void)
{
controllers.values_[kControllerPitch] = 0x2000;
controllers.values_[kControllerPitchRange] = 0;
controllers.values_[kControllerPitchStep] = 0;
controllers.values_[kControllerPortamentoGlissando] = 0;
controllers.modwheel_cc = 0;
controllers.foot_cc = 0;
controllers.breath_cc = 0;
controllers.aftertouch_cc = 0;
controllers.portamento_enable_cc = false;
controllers.portamento_cc = 0;
controllers.refresh();
}
void Dexed::notesOff(void) {
for (uint8_t i = 0; i < max_notes; i++) {
if (voices[i].live == true) {
voices[i].keydown = false;
voices[i].live = false;
}
}
}
uint8_t Dexed::getMaxNotes(void)
{
return max_notes;
}
uint8_t Dexed::getNumNotesPlaying(void)
{
uint8_t op_carrier = controllers.core->get_carrier_operators(data[134]); // look for carriers
uint8_t i;
uint8_t count_playing_voices = 0;
for (i = 0; i < max_notes; i++)
{
if (voices[i].live == true)
{
uint8_t op_amp = 0;
uint8_t op_carrier_num = 0;
memset(&voiceStatus, 0, sizeof(VoiceStatus));
voices[i].dx7_note->peekVoiceStatus(voiceStatus);
for (uint8_t op = 0; op < 6; op++)
{
if ((op_carrier & (1 << op)))
{
// this voice is a carrier!
op_carrier_num++;
if (voiceStatus.amp[op] <= VOICE_SILENCE_LEVEL && voiceStatus.ampStep[op] == 4)
{
// this voice produces no audio output
op_amp++;
}
}
}
if (op_amp == op_carrier_num)
{
// all carrier-operators are silent -> disable the voice
voices[i].live = false;
voices[i].sustained = false;
voices[i].keydown = false;
#if defined(MICRODEXED_VERSION) && defined(DEBUG)
Serial.print(F("Shutdown voice: "));
Serial.println(i, DEC);
#endif
}
else
count_playing_voices++;
}
}
return (count_playing_voices);
}
bool Dexed::decodeVoice(uint8_t* new_data, uint8_t* encoded_data)
{
uint8_t* p_data = new_data;
uint8_t op;
uint8_t tmp;
char dexed_voice_name[11];
panic();
for (op = 0; op < 6; op++)
{
// DEXED_OP_EG_R1, // 0
// DEXED_OP_EG_R2, // 1
// DEXED_OP_EG_R3, // 2
// DEXED_OP_EG_R4, // 3
// DEXED_OP_EG_L1, // 4
// DEXED_OP_EG_L2, // 5
// DEXED_OP_EG_L3, // 6
// DEXED_OP_EG_L4, // 7
// DEXED_OP_LEV_SCL_BRK_PT, // 8
// DEXED_OP_SCL_LEFT_DEPTH, // 9
// DEXED_OP_SCL_RGHT_DEPTH, // 10
memcpy(&new_data[op * 21], &encoded_data[op * 17], 11);
tmp = encoded_data[(op * 17) + 11];
*(p_data + DEXED_OP_SCL_LEFT_CURVE + (op * 21)) = (tmp & 0x03);
*(p_data + DEXED_OP_SCL_RGHT_CURVE + (op * 21)) = (tmp & 0x0c) >> 2;
tmp = encoded_data[(op * 17) + 12];
*(p_data + DEXED_OP_OSC_DETUNE + (op * 21)) = (tmp & 0x78) >> 3;
*(p_data + DEXED_OP_OSC_RATE_SCALE + (op * 21)) = (tmp & 0x07);
tmp = encoded_data[(op * 17) + 13];
*(p_data + DEXED_OP_KEY_VEL_SENS + (op * 21)) = (tmp & 0x1c) >> 2;
*(p_data + DEXED_OP_AMP_MOD_SENS + (op * 21)) = (tmp & 0x03);
*(p_data + DEXED_OP_OUTPUT_LEV + (op * 21)) = encoded_data[(op * 17) + 14];
tmp = encoded_data[(op * 17) + 15];
*(p_data + DEXED_OP_FREQ_COARSE + (op * 21)) = (tmp & 0x3e) >> 1;
*(p_data + DEXED_OP_OSC_MODE + (op * 21)) = (tmp & 0x01);
*(p_data + DEXED_OP_FREQ_FINE + (op * 21)) = encoded_data[(op * 17) + 16];
}
// DEXED_PITCH_EG_R1, // 0
// DEXED_PITCH_EG_R2, // 1
// DEXED_PITCH_EG_R3, // 2
// DEXED_PITCH_EG_R4, // 3
// DEXED_PITCH_EG_L1, // 4
// DEXED_PITCH_EG_L2, // 5
// DEXED_PITCH_EG_L3, // 6
// DEXED_PITCH_EG_L4, // 7
memcpy(&new_data[DEXED_VOICE_OFFSET], &encoded_data[102], 8);
tmp = encoded_data[110];
*(p_data + DEXED_VOICE_OFFSET + DEXED_ALGORITHM) = (tmp & 0x1f);
tmp = encoded_data[111];
*(p_data + DEXED_VOICE_OFFSET + DEXED_OSC_KEY_SYNC) = (tmp & 0x08) >> 3;
*(p_data + DEXED_VOICE_OFFSET + DEXED_FEEDBACK) = (tmp & 0x07);
// DEXED_LFO_SPEED, // 11
// DEXED_LFO_DELAY, // 12
// DEXED_LFO_PITCH_MOD_DEP, // 13
// DEXED_LFO_AMP_MOD_DEP, // 14
memcpy(&new_data[DEXED_VOICE_OFFSET + DEXED_LFO_SPEED], &encoded_data[112], 4);
tmp = encoded_data[116];
*(p_data + DEXED_VOICE_OFFSET + DEXED_LFO_PITCH_MOD_SENS) = (tmp & 0x30) >> 4;
*(p_data + DEXED_VOICE_OFFSET + DEXED_LFO_WAVE) = (tmp & 0x0e) >> 1;
*(p_data + DEXED_VOICE_OFFSET + DEXED_LFO_SYNC) = (tmp & 0x01);
*(p_data + DEXED_VOICE_OFFSET + DEXED_TRANSPOSE) = encoded_data[117];
memcpy(&new_data[DEXED_VOICE_OFFSET + DEXED_NAME], &encoded_data[118], 10);
panic();
doRefreshVoice();
strncpy(dexed_voice_name, (char *)&encoded_data[118], sizeof(dexed_voice_name) - 1);
dexed_voice_name[10] = '\0';
#if defined(MICRODEXED_VERSION) && defined(DEBUG)
Serial.print(F("Voice ["));
Serial.print(dexed_voice_name);
Serial.println(F("] decoded."));
#endif
return (true);
}
bool Dexed::encodeVoice(uint8_t* encoded_data)
{
uint8_t* p_data = data;
uint8_t op;
for (op = 0; op < 6; op++)
{
// DEXED_OP_EG_R1, // 0
// DEXED_OP_EG_R2, // 1
// DEXED_OP_EG_R3, // 2
// DEXED_OP_EG_R4, // 3
// DEXED_OP_EG_L1, // 4
// DEXED_OP_EG_L2, // 5
// DEXED_OP_EG_L3, // 6
// DEXED_OP_EG_L4, // 7
// DEXED_OP_LEV_SCL_BRK_PT, // 8
// DEXED_OP_SCL_LEFT_DEPTH, // 9
// DEXED_OP_SCL_RGHT_DEPTH, // 10
memcpy(&encoded_data[op * 17], &data[op * 21], 11);
encoded_data[(op * 17) + 11] = ((*(p_data + DEXED_OP_SCL_RGHT_CURVE + (op * 21)) & 0x0c) << 2) | (*(p_data + DEXED_OP_SCL_LEFT_CURVE + (op * 21)) & 0x03);
encoded_data[(op * 17) + 12] = ((*(p_data + DEXED_OP_OSC_DETUNE + (op * 21)) & 0x0f) << 3) | (*(p_data + DEXED_OP_OSC_RATE_SCALE + (op * 21)) & 0x07);
encoded_data[(op * 17) + 13] = ((*(p_data + DEXED_OP_KEY_VEL_SENS + (op * 21)) & 0x07) << 2) | (*(p_data + DEXED_OP_AMP_MOD_SENS + (op * 21)) & 0x03);
encoded_data[(op * 17) + 14] = *(p_data + DEXED_OP_OUTPUT_LEV + (op * 21));
encoded_data[(op * 17) + 15] = ((*(p_data + DEXED_OP_FREQ_COARSE + (op * 21)) & 0x1f) << 1) | (*(p_data + DEXED_OP_OSC_MODE + (op * 21)) & 0x01);
encoded_data[(op * 17) + 16] = *(p_data + DEXED_OP_FREQ_FINE + (op * 21));
}
// DEXED_PITCH_EG_R1, // 0
// DEXED_PITCH_EG_R2, // 1
// DEXED_PITCH_EG_R3, // 2
// DEXED_PITCH_EG_R4, // 3
// DEXED_PITCH_EG_L1, // 4
// DEXED_PITCH_EG_L2, // 5
// DEXED_PITCH_EG_L3, // 6
// DEXED_PITCH_EG_L4, // 7
memcpy(&encoded_data[102], &data[DEXED_VOICE_OFFSET], 8);
encoded_data[110] = (*(p_data + DEXED_VOICE_OFFSET + DEXED_ALGORITHM) & 0x1f);
encoded_data[111] = (((*(p_data + DEXED_VOICE_OFFSET + DEXED_OSC_KEY_SYNC) & 0x01) << 3) | ((*(p_data + DEXED_VOICE_OFFSET + DEXED_FEEDBACK)) & 0x07));
// DEXED_LFO_SPEED, // 11
// DEXED_LFO_DELAY, // 12
// DEXED_LFO_PITCH_MOD_DEP, // 13
// DEXED_LFO_AMP_MOD_DEP, // 14
memcpy(&encoded_data[112], &data[DEXED_VOICE_OFFSET + DEXED_LFO_SPEED], 4);
encoded_data[116] = (((*(p_data + DEXED_VOICE_OFFSET + DEXED_LFO_PITCH_MOD_SENS) & 0x07) << 4) | (((*(p_data + DEXED_VOICE_OFFSET + DEXED_LFO_WAVE)) & 0x07) << 1) | ((*(p_data + DEXED_VOICE_OFFSET + DEXED_LFO_SYNC)) & 0x01));
encoded_data[117] = *(p_data + DEXED_VOICE_OFFSET + DEXED_TRANSPOSE);
memset(&encoded_data[118], 0, 10);
memcpy(&encoded_data[118], &data[DEXED_VOICE_OFFSET + DEXED_NAME], 10);
return (true);
}
bool Dexed::getVoiceData(uint8_t* data_copy)
{
memcpy(data_copy, data, sizeof(data));
return (true);
}
void Dexed::setVoiceDataElement(uint8_t address, uint8_t value)
{
address = constrain(address, 0, NUM_VOICE_PARAMETERS);
data[address] = value;
doRefreshVoice();
}
uint8_t Dexed::getVoiceDataElement(uint8_t address)
{
address = constrain(address, 0, NUM_VOICE_PARAMETERS);
return (data[address]);
}
void Dexed::loadVoiceParameters(uint8_t* new_data)
{
#if defined(MICRODEXED_VERSION) && defined(DEBUG)
char dexed_voice_name[11];
#endif
panic();
memcpy(&data, new_data, 155);
doRefreshVoice();
#if defined(MICRODEXED_VERSION) && defined(DEBUG)
strncpy(dexed_voice_name, (char *)&new_data[145], sizeof(dexed_voice_name) - 1);
dexed_voice_name[10] = '\0';
Serial.print(F("Voice ["));
Serial.print(dexed_voice_name);
Serial.println(F("] loaded."));
#endif
}
void Dexed::loadInitVoice(void)
{
loadVoiceParameters(init_voice);
}
void Dexed::setPBController(uint8_t pb_range, uint8_t pb_step)
{
#if defined(MICRODEXED_VERSION) && defined(DEBUG)
Serial.println(F("Dexed::setPBController"));
#endif
pb_range = constrain(pb_range, 0, 12);
pb_step = constrain(pb_step, 0, 12);
controllers.values_[kControllerPitchRange] = pb_range;
controllers.values_[kControllerPitchStep] = pb_step;
controllers.refresh();
}
void Dexed::setMWController(uint8_t mw_range, uint8_t mw_assign, uint8_t mw_mode)
{
#if defined(MICRODEXED_VERSION) && defined(DEBUG)
Serial.println(F("Dexed::setMWController"));
#endif
mw_range = constrain(mw_range, 0, 99);
mw_assign = constrain(mw_assign, 0, 7);
mw_mode = constrain(mw_mode, 0, MIDI_CONTROLLER_MODE_MAX);
controllers.wheel.setRange(mw_range);
controllers.wheel.setTarget(mw_assign);
controllers.wheel.setMode(mw_mode);
controllers.refresh();
}
void Dexed::setFCController(uint8_t fc_range, uint8_t fc_assign, uint8_t fc_mode)
{
#if defined(MICRODEXED_VERSION) && defined(DEBUG)
Serial.println(F("Dexed::setFCController"));
#endif
fc_range = constrain(fc_range, 0, 99);
fc_assign = constrain(fc_assign, 0, 7);
fc_mode = constrain(fc_mode, 0, MIDI_CONTROLLER_MODE_MAX);
controllers.foot.setRange(fc_range);
controllers.foot.setTarget(fc_assign);
controllers.foot.setMode(fc_mode);
controllers.refresh();
}
void Dexed::setBCController(uint8_t bc_range, uint8_t bc_assign, uint8_t bc_mode)
{
#if defined(MICRODEXED_VERSION) && defined(DEBUG)
Serial.println(F("Dexed::setBCController"));
#endif
bc_range = constrain(bc_range, 0, 99);
bc_assign = constrain(bc_assign, 0, 7);
bc_mode = constrain(bc_mode, 0, MIDI_CONTROLLER_MODE_MAX);
controllers.breath.setRange(bc_range);
controllers.breath.setTarget(bc_assign);
controllers.breath.setMode(bc_mode);
controllers.refresh();
}
void Dexed::setATController(uint8_t at_range, uint8_t at_assign, uint8_t at_mode)
{
#if defined(MICRODEXED_VERSION) && defined(DEBUG)
Serial.println(F("Dexed::setATController"));
#endif
at_range = constrain(at_range, 0, 99);
at_assign = constrain(at_assign, 0, 7);
at_mode = constrain(at_mode, 0, MIDI_CONTROLLER_MODE_MAX);
controllers.at.setRange(at_range);
controllers.at.setTarget(at_assign);
controllers.at.setMode(at_mode);
controllers.refresh();
}
void Dexed::setPortamento(uint8_t portamento_mode, uint8_t portamento_glissando, uint8_t portamento_time)
{
portamento_mode = constrain(portamento_mode, 0, 1);
portamento_glissando = constrain(portamento_glissando, 0, 1);
portamento_time = constrain(portamento_time, 0, 99);
controllers.portamento_cc = portamento_time;
controllers.portamento_enable_cc = portamento_mode > 63;
if (portamento_time > 0)
controllers.portamento_enable_cc = true;
else
controllers.portamento_enable_cc = false;
controllers.values_[kControllerPortamentoGlissando] = portamento_glissando;
controllers.refresh();
}
void Dexed::setPortamentoMode(uint8_t portamento_mode)
{
portamento_mode = constrain(portamento_mode, 0, 1);
controllers.portamento_enable_cc = portamento_mode > 63;
controllers.refresh();
}
uint8_t Dexed::getPortamentoMode(void)
{
return(controllers.portamento_enable_cc);
}
void Dexed::setPortamentoGlissando(uint8_t portamento_glissando)
{
portamento_glissando = constrain(portamento_glissando, 0, 1);
controllers.values_[kControllerPortamentoGlissando] = portamento_glissando;
controllers.refresh();
}
uint8_t Dexed::getPortamentoGlissando(void)
{
return(controllers.values_[kControllerPortamentoGlissando]);
}
void Dexed::setPortamentoTime(uint8_t portamento_time)
{
portamento_time = constrain(portamento_time, 0, 99);
controllers.portamento_cc = portamento_time;
if (portamento_time > 0)
controllers.portamento_enable_cc = true;
else
controllers.portamento_enable_cc = false;
controllers.refresh();
}
uint8_t Dexed::getPortamentoTime(void)
{
return(controllers.portamento_cc);
}
int16_t Dexed::checkSystemExclusive(const uint8_t* sysex, const uint16_t len)
/*
-1: SysEx end status byte not detected.
-2: SysEx vendor not Yamaha.
-3: Unknown SysEx parameter change.
-4: Unknown SysEx voice or function.
-5: Not a SysEx voice bulk upload.
-6: Wrong length for SysEx voice bulk upload (not 155).
-7: Checksum error for one voice.
-8: Not a SysEx bank bulk upload.
-9: Wrong length for SysEx bank bulk upload (not 4096).
-10: Checksum error for bank.
-11: Unknown SysEx message.
64-77: Function parameter changed.
100: Voice loaded.
200: Bank loaded.
300-455: Voice parameter changed.
*/
{
int32_t bulk_checksum_calc = 0;
const int8_t bulk_checksum = sysex[161];
// Check for SYSEX end byte
if (sysex[len - 1] != 0xf7)
return(-1);
// check for Yamaha sysex
if (sysex[1] != 0x43)
return(-2);
// Decode SYSEX by means of length
switch (len)
{
case 7: // parse parameter change
if (((sysex[3] & 0x7c) >> 2) != 0 && ((sysex[3] & 0x7c) >> 2) != 2)
return(-3);
if ((sysex[3] & 0x7c) >> 2 == 0) // Voice parameter
{
setVoiceDataElement((sysex[4] & 0x7f) + ((sysex[3] & 0x03) * 128), sysex[5]);
doRefreshVoice();
return((sysex[4] & 0x7f) + ((sysex[3] & 0x03) * 128)+300);
}
else if ((sysex[3] & 0x7c) >> 2 == 2) // Function parameter
return(sysex[4]);
else
return(-4);
break;
case 163: // 1 Voice bulk upload
if ((sysex[3] & 0x7f) != 0)
return(-5);
if (((sysex[4] << 7) | sysex[5]) != 0x9b)
return(-6);
// checksum calculation
for (uint8_t i = 0; i < 155 ; i++)
bulk_checksum_calc -= sysex[i + 6];
bulk_checksum_calc &= 0x7f;
if (bulk_checksum_calc != bulk_checksum)
return(-7);
return(100);
break;
case 4104: // 1 Bank bulk upload
if ((sysex[3] & 0x7f) != 9)
return(-8);
if (((sysex[4] << 7) | sysex[5]) != 0x1000)
return(-9);
// checksum calculation
for (uint16_t i = 0; i < 4096 ; i++)
bulk_checksum_calc -= sysex[i + 6];
bulk_checksum_calc &= 0x7f;
if (bulk_checksum_calc != bulk_checksum)
return(-10);
return(200);
break;
default:
return(-11);
}
}
uint32_t Dexed::getXRun(void)
{
return (xrun);
}
uint16_t Dexed::getRenderTimeMax(void)
{
return (render_time_max);
}
void Dexed::resetRenderTimeMax(void)
{
render_time_max = 0;
}
void Dexed::ControllersRefresh(void)
{
controllers.refresh();
}
void Dexed::setMasterTune(int8_t mastertune)
{
mastertune = constrain(mastertune, -99, 99);
controllers.masterTune = (int(mastertune / 100.0 * 0x4000) << 11) * (1.0 / 12.0);
}
int8_t Dexed::getMasterTune(void)
{
return (controllers.masterTune);
}
void Dexed::setModWheel(uint8_t value)
{
value = constrain(value, 0, 127);
controllers.modwheel_cc = value;
}
uint8_t Dexed::getModWheel(void)
{
return (controllers.modwheel_cc);
}
void Dexed::setBreathController(uint8_t value)
{
value = constrain(value, 0, 127);