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MicroDexed
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Several fixes. Disabled Dual engine mode due to problems.

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pull/32/head
Holger Wirtz 5 years ago
parent 7ff1c6575d
commit 2f23fecc97
4 changed files with 47 additions and 38 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 50
      MicroDexed.ino
  2. 19
      UI.hpp
  3. 4
      config.h
  4. 12
      dexed.cpp

50
MicroDexed.ino
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@ -541,13 +541,13 @@ void loop()
}
#else
static bool midi_playing[NUM_DEXED];
if (midi_decay_timer > MIDI_DECAY_TIMER && midi_voices[instance_id] > 0 && midi_playing[instance_id] == false)
if (midi_voices[instance_id] > 0 && midi_playing[instance_id] == false)
{
midi_playing[instance_id] = true;
lcd.setCursor(14 + instance_id, 1);
lcd.write(6 + instance_id);
}
else if (midi_decay_timer > MIDI_DECAY_TIMER && midi_voices[instance_id] == 0)
else if (midi_voices[instance_id] == 0)
{
midi_playing[instance_id] = false;
lcd.setCursor(14 + instance_id, 1);
@ -596,7 +596,7 @@ void handleNoteOn(byte inChannel, byte inNumber, byte inVelocity)
{
if (inNumber >= configuration.dexed[instance_id].lowest_note && inNumber <= configuration.dexed[instance_id].highest_note)
{
if (MicroDexed[instance_id]->getMaxNotes() > 0)
if (configuration.dexed[instance_id].polyphony > 0)
MicroDexed[instance_id]->keydown(inNumber, uint8_t(float(configuration.dexed[instance_id].velocity_level / 127.0)*inVelocity + 0.5));
midi_voices[instance_id]++;
@ -629,7 +629,7 @@ void handleNoteOff(byte inChannel, byte inNumber, byte inVelocity)
{
if (inNumber >= configuration.dexed[instance_id].lowest_note && inNumber <= configuration.dexed[instance_id].highest_note)
{
if (MicroDexed[instance_id]->getMaxNotes() > 0)
if (configuration.dexed[instance_id].polyphony > 0)
MicroDexed[instance_id]->keyup(inNumber);
midi_voices[instance_id]--;
@ -1513,7 +1513,7 @@ void check_configuration(void)
configuration.dexed[instance_id].transpose = constrain(configuration.dexed[instance_id].transpose, TRANSPOSE_MIN, TRANSPOSE_MAX);
configuration.dexed[instance_id].tune = constrain(configuration.dexed[instance_id].tune, TUNE_MIN, TUNE_MAX);
#if NUM_DEXED > 1
configuration.dexed[instance_id].polyphony = constrain(configuration.dexed[instance_id].polyphony, POLYPHONY_MIN, POLYPHONY_MAX / 2);
configuration.dexed[instance_id].polyphony = constrain(configuration.dexed[instance_id].polyphony + ((POLYPHONY_MAX % 2) - instance_id) , POLYPHONY_MIN, POLYPHONY_MAX / 2);
#else
configuration.dexed[instance_id].polyphony = constrain(configuration.dexed[instance_id].polyphony, POLYPHONY_MIN, POLYPHONY_MAX);
#endif
@ -1584,6 +1584,11 @@ void init_configuration(void)
configuration.dexed[instance_id].pan = PANORAMA_DEFAULT;
configuration.dexed[instance_id].transpose = TRANSPOSE_DEFAULT;
configuration.dexed[instance_id].tune = TUNE_DEFAULT;
#if NUM_DEXED > 1
configuration.dexed[instance_id].polyphony = (POLYPHONY_DEFAULT / 2) + (POLYPHONY_DEFAULT % 2) - instance_id;
#else
configuration.dexed[instance_id].polyphony = POLYPHONY_DEFAULT;
#endif
configuration.dexed[instance_id].velocity_level = VELOCITY_LEVEL_DEFAULT;
configuration.dexed[instance_id].engine = ENGINE_DEFAULT;
configuration.dexed[instance_id].monopoly = MONOPOLY_DEFAULT;
@ -1755,8 +1760,6 @@ void set_fx_params(void)
for (uint8_t instance_id = 0; instance_id < NUM_DEXED; instance_id++)
{
// CHORUS
chorus_mixer[instance_id]->gain(0, 1.0 - mapfloat(configuration.fx.chorus_level[instance_id], CHORUS_LEVEL_MIN, CHORUS_LEVEL_MAX, 0.0, 0.5));
chorus_mixer[instance_id]->gain(1, mapfloat(configuration.fx.chorus_level[instance_id], CHORUS_LEVEL_MIN, CHORUS_LEVEL_MAX, 0.0, 0.5));
switch (configuration.fx.chorus_waveform[instance_id])
{
case 0:
@ -1782,13 +1785,21 @@ void set_fx_params(void)
modchorus_filter[instance_id]->setLowpass(2, MOD_FILTER_CUTOFF_HZ, 0.54);
modchorus_filter[instance_id]->setLowpass(3, MOD_FILTER_CUTOFF_HZ, 1.3);
#endif
//chorus_mixer[instance_id]->gain(0, 1.0 - pseudo_log_curve(mapfloat(configuration.fx.chorus_level[instance_id], CHORUS_LEVEL_MIN, CHORUS_LEVEL_MAX, 0.0, 0.5)));
//chorus_mixer[instance_id]->gain(1, pseudo_log_curve(mapfloat(configuration.fx.chorus_level[instance_id], CHORUS_LEVEL_MIN, CHORUS_LEVEL_MAX, 0.0, 0.5)));
//chorus_mixer[instance_id]->gain(0, 1.0 - mapfloat(configuration.fx.chorus_level[instance_id], CHORUS_LEVEL_MIN, CHORUS_LEVEL_MAX, 0.0, 0.5));
chorus_mixer[instance_id]->gain(0, 1.0);
chorus_mixer[instance_id]->gain(1, mapfloat(configuration.fx.chorus_level[instance_id], CHORUS_LEVEL_MIN, CHORUS_LEVEL_MAX, 0.0, 0.5));
// DELAY
delay_mixer[instance_id]->gain(0, 1.0);
delay_mixer[instance_id]->gain(1, pseudo_log_curve(mapfloat(configuration.fx.delay_level[instance_id], DELAY_LEVEL_MIN, DELAY_LEVEL_MAX, 0.0, 1.0)));
delay_fx[instance_id]->delay(0, constrain(configuration.fx.delay_time[instance_id], DELAY_TIME_MIN, DELAY_TIME_MAX) * 10);
delay_fb_mixer[instance_id]->gain(0, 1.0);
delay_fb_mixer[instance_id]->gain(1, pseudo_log_curve(mapfloat(configuration.fx.delay_feedback[instance_id], DELAY_FEEDBACK_MIN, DELAY_FEEDBACK_MAX, 0.0, 1.0)));
if (configuration.fx.delay_level[selected_instance_id] <= DELAY_LEVEL_MIN)
delay_fx[instance_id]->disable(0);
else
delay_fx[instance_id]->delay(0, constrain(configuration.fx.delay_time[instance_id], DELAY_TIME_MIN, DELAY_TIME_MAX) * 10);
// REVERB SEND
reverb_mixer_r.gain(instance_id, pseudo_log_curve(configuration.fx.reverb_send[instance_id] / 100.0));
@ -1807,8 +1818,8 @@ void set_fx_params(void)
freeverb_r.damping(mapfloat(configuration.fx.reverb_damping, REVERB_DAMPING_MIN, REVERB_DAMPING_MAX, 0.0, 1.0));
freeverb_l.roomsize(mapfloat(configuration.fx.reverb_roomsize, REVERB_ROOMSIZE_MIN, REVERB_ROOMSIZE_MAX, 0.0, 1.0));
freeverb_l.damping(mapfloat(configuration.fx.reverb_damping, REVERB_DAMPING_MIN, REVERB_DAMPING_MAX, 0.0, 1.0));
master_mixer_r.gain(3, pseudo_log_curve(configuration.fx.reverb_level / 100.0));
master_mixer_l.gain(3, pseudo_log_curve(configuration.fx.reverb_level / 100.0));
master_mixer_r.gain(3, pseudo_log_curve(mapfloat(configuration.fx.reverb_level, REVERB_LEVEL_MIN, REVERB_LEVEL_MAX, 0.0, 1.0)));
master_mixer_l.gain(3, pseudo_log_curve(mapfloat(configuration.fx.reverb_level, REVERB_LEVEL_MIN, REVERB_LEVEL_MAX, 0.0, 1.0)));
#endif
}
@ -1846,11 +1857,6 @@ void set_sys_params(void)
HELPERS
******************************************************************************/
float mapfloat(float val, float in_min, float in_max, float out_min, float out_max)
{
return (val - in_min) * (out_max - out_min) / (in_max - in_min) + out_min;
}
// https://www.reddit.com/r/Teensy/comments/7r19uk/reset_and_reboot_teensy_lc_via_code/
#define SCB_AIRCR (*(volatile uint32_t *)0xE000ED0C) // Application Interrupt and Reset Control location
void _softRestart(void)
@ -1863,12 +1869,14 @@ float pseudo_log_curve(float value)
{
const float _pseudo_log = 1048575 / (float)(1 << 20);
#ifdef DEBUG
Serial.print(F("value in: "));
Serial.print(value, 3);
Serial.print(F(" value out: "));
Serial.println(mapfloat(_pseudo_log * arm_sin_f32(value), 0.0, _pseudo_log * arm_sin_f32(1.0), 0.0, 1.0), 3);
#endif
/*
#ifdef DEBUG
Serial.print(F("value in: "));
Serial.print(value, 3);
Serial.print(F(" value out: "));
Serial.println(mapfloat(_pseudo_log * arm_sin_f32(value), 0.0, _pseudo_log * arm_sin_f32(1.0), 0.0, 1.0), 3);
#endif
*/
return (mapfloat(_pseudo_log * arm_sin_f32(value), 0.0, _pseudo_log * arm_sin_f32(1.0), 0.0, 1.0));
}

19
UI.hpp
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@ -57,7 +57,6 @@ extern void eeprom_update_performance(void);
extern void eeprom_update_fx(void);
extern void eeprom_update_dexed(uint8_t instance_id);
extern float pseudo_log_curve(float value);
extern float mapfloat(float val, float in_min, float in_max, float out_min, float out_max);
extern uint8_t selected_instance_id;
#ifdef DISPLAY_LCD_SPI
@ -994,8 +993,8 @@ void UI_func_reverb_level(uint8_t param)
lcd_display_bar_int("Reverb Level", configuration.fx.reverb_level, 1.0, REVERB_LEVEL_MIN, REVERB_LEVEL_MAX, 3, false, false, true);
master_mixer_r.gain(3, pseudo_log_curve(configuration.fx.reverb_level / 100.0));
master_mixer_l.gain(3, pseudo_log_curve(configuration.fx.reverb_level / 100.0));
master_mixer_r.gain(3, pseudo_log_curve(mapfloat(configuration.fx.reverb_level, REVERB_LEVEL_MIN, REVERB_LEVEL_MAX, 0.0, 1.0)));
master_mixer_l.gain(3, pseudo_log_curve(mapfloat(configuration.fx.reverb_level, REVERB_LEVEL_MIN, REVERB_LEVEL_MAX, 0.0, 1.0)));
}
if (LCDML.FUNC_close()) // ****** STABLE END *********
@ -1213,7 +1212,9 @@ void UI_func_chorus_level(uint8_t param)
lcd_display_bar_int("Chorus Lvl.", configuration.fx.chorus_level[selected_instance_id], 1.0, CHORUS_LEVEL_MIN, CHORUS_LEVEL_MAX, 3, false, false, false);
chorus_mixer[selected_instance_id]->gain(1, 1.0 - mapfloat(configuration.fx.chorus_level[selected_instance_id], CHORUS_LEVEL_MIN, CHORUS_LEVEL_MAX, 0.0, 0.5));
//chorus_mixer[selected_instance_id]->gain(0, pseudo_log_curve(1.0 - mapfloat(configuration.fx.chorus_level[selected_instance_id], CHORUS_LEVEL_MIN, CHORUS_LEVEL_MAX, 0.0, 0.5)));
//chorus_mixer[selected_instance_id]->gain(1, pseudo_log_curve(mapfloat(configuration.fx.chorus_level[selected_instance_id], CHORUS_LEVEL_MIN, CHORUS_LEVEL_MAX, 0.0, 0.5)));
//chorus_mixer[selected_instance_id]->gain(0, 1.0 - mapfloat(configuration.fx.chorus_level[selected_instance_id], CHORUS_LEVEL_MIN, CHORUS_LEVEL_MAX, 0.0, 0.5));
chorus_mixer[selected_instance_id]->gain(1, mapfloat(configuration.fx.chorus_level[selected_instance_id], CHORUS_LEVEL_MIN, CHORUS_LEVEL_MAX, 0.0, 0.5));
}
@ -1267,8 +1268,10 @@ void UI_func_delay_time(uint8_t param)
lcd_display_bar_int("Delay Time", configuration.fx.delay_time[selected_instance_id], 10.0, DELAY_TIME_MIN, DELAY_TIME_MAX, 3, false, false, true);
delay_fx[selected_instance_id]->delay(0, constrain(configuration.fx.delay_time[selected_instance_id], DELAY_TIME_MIN, DELAY_TIME_MAX) * 10);
Serial.print("--------------->"); Serial.println(constrain(configuration.fx.delay_time[selected_instance_id], DELAY_TIME_MIN, DELAY_TIME_MAX) * 10, DEC);
if (configuration.fx.delay_time[selected_instance_id] <= DELAY_TIME_MIN)
delay_fx[selected_instance_id]->disable(0);
else
delay_fx[selected_instance_id]->delay(0, constrain(configuration.fx.delay_time[selected_instance_id], DELAY_TIME_MIN, DELAY_TIME_MAX) * 10);
}
if (LCDML.FUNC_close()) // ****** STABLE END *********
@ -1375,6 +1378,10 @@ void UI_func_delay_level(uint8_t param)
lcd_display_bar_int("Delay Lvl.", configuration.fx.delay_level[selected_instance_id], 1.0, DELAY_LEVEL_MIN, DELAY_LEVEL_MAX, 3, false, false, false);
delay_mixer[selected_instance_id]->gain(1, pseudo_log_curve(mapfloat(configuration.fx.delay_level[selected_instance_id], DELAY_LEVEL_MIN, DELAY_LEVEL_MAX, 0.0, 1.0)));
if (configuration.fx.delay_level[selected_instance_id] <= DELAY_LEVEL_MIN)
delay_fx[selected_instance_id]->disable(0);
else
delay_fx[selected_instance_id]->delay(0, constrain(configuration.fx.delay_time[selected_instance_id], DELAY_TIME_MIN, DELAY_TIME_MAX) * 10);
}
if (LCDML.FUNC_close()) // ****** STABLE END *********

4
config.h
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@ -245,7 +245,7 @@
//*************************************************************************************************
//* DO NO CHANGE ANYTHING BEYOND IF YOU DON'T KNOW WHAT YOU ARE DOING !!!
//*************************************************************************************************
#define NUM_DEXED 2 // 1 or 2 - nothing else!
#define NUM_DEXED 1 // 1 or 2 - nothing else!
#define MAX_DEXED 2 // No! - even don't think about increasing this number! IT WILL PRODUCE MASSIVE PROBLEMS!
//#define CPU_OVERLOAD_THROTTLE 95.0 // Level (in percent) when throttling should start
#define CPU_OVERLOAD_THROTTLE_TIMER 100 // timer (in ms) when next throttling is possible
@ -601,7 +601,6 @@ typedef struct configuration_s {
uint32_t _marker_;
} config_t;
/*
#if !defined(_MAPFLOAT)
#define _MAPFLOAT
inline float mapfloat(float val, float in_min, float in_max, float out_min, float out_max)
@ -609,6 +608,5 @@ inline float mapfloat(float val, float in_min, float in_max, float out_min, floa
return (val - in_min) * (out_max - out_min) / (in_max - in_min) + out_min;
}
#endif
*/
#endif // CONFIG_H_INCLUDED

12
dexed.cpp
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@ -116,12 +116,6 @@ void Dexed::getSamples(uint16_t n_samples, int16_t* buffer)
uint8_t note;
float sumbuf[n_samples];
if (max_notes == 0)
{
memset(buffer, 0, sizeof(buffer)*AUDIO_BLOCK_SAMPLES);
return;
}
if (refreshVoice)
{
for (i = 0; i < max_notes; i++)
@ -155,7 +149,9 @@ void Dexed::getSamples(uint16_t n_samples, int16_t* buffer)
for (j = 0; j < _N_; ++j)
{
//sumbuf[i + j] += static_cast<float>(signed_saturate_rshift(audiobuf.get()[j] >> 4, 24, 9)) / 0x8000;
sumbuf[i + j] += static_cast<float>(signed_saturate_rshift(audiobuf.get()[j] >> 5, 24, 9)) / 0x8000;
//sumbuf[i + j] += static_cast<float>(signed_saturate_rshift(audiobuf.get()[j] >> 5, 24, 9)) / 0x8000;
sumbuf[i + j] += static_cast<float>(signed_saturate_rshift(audiobuf.get()[j], 32, 13)) / 0x8000;
//sumbuf[i + j] += static_cast<float>(audiobuf.get()[j] / 0x8000);
audiobuf.get()[j] = 0;
}
}
@ -166,7 +162,7 @@ void Dexed::getSamples(uint16_t n_samples, int16_t* buffer)
fx.process(sumbuf, n_samples);
#endif
//arm_scale_f32(sumbuf, 0.8, sumbuf, AUDIO_BLOCK_SAMPLES);
//arm_scale_f32(sumbuf, 0.00015, sumbuf, AUDIO_BLOCK_SAMPLES);
arm_float_to_q15(sumbuf, buffer, AUDIO_BLOCK_SAMPLES);
}

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