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MicroDexed
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Pseudo-logarithmic volumes.

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pull/32/head
Holger Wirtz 5 years ago
parent 63f15faf86
commit 90f6af6a04
3 changed files with 44 additions and 40 deletions
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  1. 62
      MicroDexed.ino
  2. 18
      UI.hpp
  3. 4
      config.h

62
MicroDexed.ino
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@ -425,8 +425,8 @@ void setup()
master_mixer_r.gain(instance_id, 1.0);
master_mixer_l.gain(instance_id, 1.0);
}
master_mixer_r.gain(3, pseudo_log_curve(configuration.fx.reverb_level / 100, true));
master_mixer_l.gain(3, pseudo_log_curve(configuration.fx.reverb_level / 100, true));
master_mixer_r.gain(3, pseudo_log_curve(configuration.fx.reverb_level / 100));
master_mixer_l.gain(3, pseudo_log_curve(configuration.fx.reverb_level / 100));
set_sys_params();
@ -714,7 +714,7 @@ void handleControlChange(byte inChannel, byte inCtrl, byte inValue)
#ifdef USE_FX
MicroDexed[instance_id]->fx.Gain = mapfloat(configuration.dexed[instance_id].sound_intensity, SOUND_INTENSITY_MIN, SOUND_INTENSITY_MAX, 0.0, SOUND_INTENSITY_AMP_MAX);
#else
dexed_level[instance_id]->gain(pseudo_log_curve(mapfloat(configuration.dexed[instance_id].sound_intensity, SOUND_INTENSITY_MIN, SOUND_INTENSITY_MAX, 0.0, SOUND_INTENSITY_AMP_MAX), true));
dexed_level[instance_id]->gain(pseudo_log_curve(mapfloat(configuration.dexed[instance_id].sound_intensity, SOUND_INTENSITY_MIN, SOUND_INTENSITY_MAX, 0.0, SOUND_INTENSITY_AMP_MAX)));
#endif
if (LCDML.FUNC_getID() == LCDML.OTHER_getIDFromFunction(UI_func_sound_intensity))
{
@ -797,7 +797,7 @@ void handleControlChange(byte inChannel, byte inCtrl, byte inValue)
}
case 106: // CC 106: delay feedback
configuration.fx.delay_feedback[instance_id] = map(inValue, 0, 0x7f, DELAY_FEEDBACK_MIN , DELAY_FEEDBACK_MAX);
delay_fb_mixer[instance_id]->gain(1, mapfloat(configuration.fx.delay_feedback[instance_id], DELAY_FEEDBACK_MIN, DELAY_FEEDBACK_MAX, 0.0, 1.0)); // amount of feedback
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))); // amount of feedback
if (LCDML.FUNC_getID() == LCDML.OTHER_getIDFromFunction(UI_func_delay_feedback))
{
LCDML.OTHER_updateFunc();
@ -806,7 +806,7 @@ void handleControlChange(byte inChannel, byte inCtrl, byte inValue)
break;
case 107: // CC 107: delay volume
configuration.fx.delay_level[instance_id] = map(inValue, 0, 0x7f, DELAY_SEND_MIN, DELAY_SEND_MAX);
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), true));
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)));
if (LCDML.FUNC_getID() == LCDML.OTHER_getIDFromFunction(UI_func_delay_level))
{
LCDML.OTHER_updateFunc();
@ -1364,8 +1364,8 @@ void set_volume(uint8_t v, uint8_t m)
Serial.println(v, DEC);
#endif
volume_r.gain(v / 100.0);
volume_l.gain(v / 100.0);
volume_r.gain(pseudo_log_curve(v / 100.0));
volume_l.gain(pseudo_log_curve(v / 100.0));
switch (m)
{
@ -1448,25 +1448,25 @@ void initial_values_from_eeprom(bool init)
MicroDexed[instance_id]->setMonoMode(configuration.sys.mono);
#if defined(USE_FX)
//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, 1.0), true));
//chorus_mixer[instance_id]->gain(1, pseudo_log_curve(mapfloat(configuration.fx.chorus_level[instance_id], CHORUS_LEVEL_MIN, CHORUS_LEVEL_MAX, 0.0, 1.0), true));
//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, 1.0)));
//chorus_mixer[instance_id]->gain(1, pseudo_log_curve(mapfloat(configuration.fx.chorus_level[instance_id], CHORUS_LEVEL_MIN, CHORUS_LEVEL_MAX, 0.0, 1.0)));
//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, pseudo_log_curve(mapfloat(configuration.fx.chorus_level[instance_id], CHORUS_LEVEL_MIN, CHORUS_LEVEL_MAX, 0.0, 0.5), true));
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)));
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), true));
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_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), true));
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)));
// MicroDexed[instance_id]->fx.Gain = configuration.dexed[instance_id].sound_intensity / 100.0;
MicroDexed[instance_id]->fx.Gain = 1.0;
MicroDexed[instance_id]->fx.Reso = mapfloat(configuration.dexed[instance_id].filter_resonance, FILTER_RESONANCE_MIN, FILTER_RESONANCE_MAX, 1.0, 0.0);
MicroDexed[instance_id]->fx.Cutoff = mapfloat(configuration.dexed[instance_id].filter_cutoff, FILTER_CUTOFF_MIN, FILTER_CUTOFF_MAX, 1.0, 0.0);
reverb_mixer_r.gain(instance_id, pseudo_log_curve(configuration.fx.reverb_send[instance_id] / 100.0, true));
reverb_mixer_l.gain(instance_id, pseudo_log_curve(configuration.fx.reverb_send[instance_id] / 100.0, true));
reverb_mixer_r.gain(instance_id, pseudo_log_curve(configuration.fx.reverb_send[instance_id] / 100.0));
reverb_mixer_l.gain(instance_id, pseudo_log_curve(configuration.fx.reverb_send[instance_id] / 100.0));
#endif
dexed_level[instance_id]->gain(pseudo_log_curve(mapfloat(configuration.dexed[instance_id].sound_intensity, SOUND_INTENSITY_MIN, SOUND_INTENSITY_MAX, 0.0, SOUND_INTENSITY_AMP_MAX), true));
dexed_level[instance_id]->gain(pseudo_log_curve(mapfloat(configuration.dexed[instance_id].sound_intensity, SOUND_INTENSITY_MIN, SOUND_INTENSITY_MAX, 0.0, SOUND_INTENSITY_AMP_MAX)));
set_voiceconfig_params(instance_id);
}
@ -1757,8 +1757,8 @@ 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 - pseudo_log_curve(mapfloat(configuration.fx.chorus_level[instance_id], CHORUS_LEVEL_MIN, CHORUS_LEVEL_MAX, 0.0, 1.0), true));
//chorus_mixer[instance_id]->gain(1, pseudo_log_curve(mapfloat(configuration.fx.chorus_level[instance_id], CHORUS_LEVEL_MIN, CHORUS_LEVEL_MAX, 0.0, 1.0), true));
//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, 1.0)));
//chorus_mixer[instance_id]->gain(1, pseudo_log_curve(mapfloat(configuration.fx.chorus_level[instance_id], CHORUS_LEVEL_MIN, CHORUS_LEVEL_MAX, 0.0, 1.0)));
//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])
@ -1789,14 +1789,14 @@ void set_fx_params(void)
// 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), true));
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] * 10, DELAY_TIME_MIN * 10, 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), true));
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)));
// REVERB
reverb_mixer_r.gain(instance_id, pseudo_log_curve(configuration.fx.reverb_send[instance_id] / 100.0, true));
reverb_mixer_l.gain(instance_id, pseudo_log_curve(configuration.fx.reverb_send[instance_id] / 100.0, true));
reverb_mixer_r.gain(instance_id, pseudo_log_curve(configuration.fx.reverb_send[instance_id] / 100.0));
reverb_mixer_l.gain(instance_id, pseudo_log_curve(configuration.fx.reverb_send[instance_id] / 100.0));
}
// REVERB
@ -1804,8 +1804,8 @@ 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, true));
master_mixer_l.gain(3, pseudo_log_curve(configuration.fx.reverb_level / 100.0, 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));
#endif
}
@ -1819,7 +1819,7 @@ void set_voiceconfig_params(uint8_t instance_id)
MicroDexed[instance_id]->doRefreshVoice();
// Dexed output level
dexed_level[instance_id]->gain(pseudo_log_curve(mapfloat(configuration.dexed[instance_id].sound_intensity, SOUND_INTENSITY_MIN, SOUND_INTENSITY_MAX, 0.0, SOUND_INTENSITY_AMP_MAX), true));
dexed_level[instance_id]->gain(pseudo_log_curve(mapfloat(configuration.dexed[instance_id].sound_intensity, SOUND_INTENSITY_MIN, SOUND_INTENSITY_MAX, 0.0, SOUND_INTENSITY_AMP_MAX)));
// PANORAMA
mono2stereo[instance_id]->panorama(mapfloat(configuration.dexed[instance_id].pan, PANORAMA_MIN, PANORAMA_MAX, -1.0, 1.0));
@ -1843,14 +1843,18 @@ void _softRestart(void)
SCB_AIRCR = 0x05FA0004; //write value for restart
}
float pseudo_log_curve(float value, bool type)
float pseudo_log_curve(float value)
{
const float _pseudo_log = 1048575 / (float)(1 << 20);
if (type == true)
return (_pseudo_log * arm_sin_f32(value));
else
return (_pseudo_log * arm_cos_f32(value));
#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));
}
uint32_t crc32(byte * calc_start, uint16_t calc_bytes) // base code from https://www.arduino.cc/en/Tutorial/EEPROMCrc

18
UI.hpp
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@ -56,7 +56,7 @@ extern void eeprom_update_sys(void);
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, bool type);
extern float pseudo_log_curve(float value);
extern uint8_t selected_instance_id;
#ifdef DISPLAY_LCD_SPI
@ -992,8 +992,8 @@ 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, true));
master_mixer_l.gain(3, pseudo_log_curve(configuration.fx.reverb_level / 100.0, 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));
}
if (LCDML.FUNC_close()) // ****** STABLE END *********
@ -1211,8 +1211,8 @@ 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(0, 1.0 - pseudo_log_curve(mapfloat(configuration.fx.chorus_level[selected_instance_id], CHORUS_LEVEL_MIN, CHORUS_LEVEL_MAX, 0.0, 1.0), true));
//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, 1.0), true));
//chorus_mixer[selected_instance_id]->gain(0, 1.0 - pseudo_log_curve(mapfloat(configuration.fx.chorus_level[selected_instance_id], CHORUS_LEVEL_MIN, CHORUS_LEVEL_MAX, 0.0, 1.0)));
//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, 1.0)));
//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));
}
@ -1373,7 +1373,7 @@ 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), true));
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 (LCDML.FUNC_close()) // ****** STABLE END *********
@ -1426,8 +1426,8 @@ void UI_func_reverb_send(uint8_t param)
lcd_display_bar_int("Reverb Send", configuration.fx.reverb_send[selected_instance_id], 1.0, REVERB_SEND_MIN, REVERB_SEND_MAX, 3, false, false, false);
reverb_mixer_r.gain(selected_instance_id, pseudo_log_curve(configuration.fx.reverb_send[selected_instance_id] / 100.0, true));
reverb_mixer_l.gain(selected_instance_id, pseudo_log_curve(configuration.fx.reverb_send[selected_instance_id] / 100.0, true));
reverb_mixer_r.gain(selected_instance_id, pseudo_log_curve(configuration.fx.reverb_send[selected_instance_id] / 100.0));
reverb_mixer_l.gain(selected_instance_id, pseudo_log_curve(configuration.fx.reverb_send[selected_instance_id] / 100.0));
}
if (LCDML.FUNC_close()) // ****** STABLE END *********
@ -1879,7 +1879,7 @@ void UI_func_sound_intensity(uint8_t param)
}
lcd_display_bar_int("Voice Level", configuration.dexed[selected_instance_id].sound_intensity, 1.0, SOUND_INTENSITY_MIN, SOUND_INTENSITY_MAX, 3, false, false, false);
dexed_level[selected_instance_id]->gain(pseudo_log_curve(mapfloat(configuration.dexed[selected_instance_id].sound_intensity, SOUND_INTENSITY_MIN, SOUND_INTENSITY_MAX, 0.0, SOUND_INTENSITY_AMP_MAX), true));
dexed_level[selected_instance_id]->gain(pseudo_log_curve(mapfloat(configuration.dexed[selected_instance_id].sound_intensity, SOUND_INTENSITY_MIN, SOUND_INTENSITY_MAX, 0.0, SOUND_INTENSITY_AMP_MAX)));
}
if (LCDML.FUNC_close()) // ****** STABLE END *********

4
config.h
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@ -47,7 +47,7 @@
// amidi -p hw:2,0,0 -d -r /tmp/bkup1.syx
//
#define VERSION "0.9.9g"
#define VERSION "0.9.9h"
//*************************************************************************************************
//* DEVICE SETTINGS
@ -84,7 +84,7 @@
//*************************************************************************************************
//* DEBUG OUTPUT SETTINGS
//*************************************************************************************************
//#define DEBUG 1
#define DEBUG 1
#define SERIAL_SPEED 230400
#define SHOW_XRUN 1
#define SHOW_CPU_LOAD_MSEC 5000

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