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MicroDexed
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Now initialisation from EEPROM is working.

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On T_3.6 there are problems with freeverb (seems to be a problem with
low memory).
pull/9/head
Holger Wirtz 5 years ago
parent f03960fb75
commit 8d3935592e
3 changed files with 128 additions and 82 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. 187
      MicroDexed.ino
  2. 6
      UI.hpp
  3. 13
      config.h

187
MicroDexed.ino
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@ -41,10 +41,8 @@
#include "UI.hpp"
#include "source_microdexed.h"
// Audio engines
AudioAnalyzePeak peak1;
//AudioPlayQueue queue1;
AudioSourceMicroDexed* MicroDexed[NUM_DEXED];
AudioEffectDelay delay1;
AudioEffectModulatedDelay modchorus;
@ -54,68 +52,71 @@ AudioMixer4 master_mixer_r;
AudioMixer4 master_mixer_l;
AudioAmplifier volume_r;
AudioAmplifier volume_l;
AudioAmplifier modchorus_inverter;
#if defined(AUDIO_DEVICE_USB)
AudioOutputUSB usb1;
#endif
AudioEffectStereoMono stereomono1;
AudioConnection patchCord5(modulator, 0, modchorus, 1);
// Audio connections
AudioConnection patchCord1(modulator, 0, modchorus, 1);
#if MOD_FILTER_OUTPUT != MOD_NO_FILTER_OUTPUT
AudioFilterBiquad modchorus_filter;
AudioConnection patchCord6(modchorus, modchorus_filter);
AudioConnection patchCord7(modchorus_filter, 0, master_mixer_r, 3);
AudioConnection patchCord8(modchorus_filter, 0, master_mixer_l, 3);
AudioConnection patchCord2(modchorus, modchorus_filter);
AudioConnection patchCord3(modchorus_filter, 0, master_mixer_r, 3);
AudioConnection patchCord4(modchorus_filter, modchorus_inverter);
AudioConnection patchCord5(modchorus_inverter, 0, master_mixer_l, 3);
#else
AudioConnection patchCord9(modchorus, 0, master_mixer_r, 3);
AudioConnection patchCord10(modchorus, 0, master_mixer_l, 3);
AudioConnection patchCord6(modchorus, 0, master_mixer_r, 3);
AudioConnection patchCord7(modchorus, modchorus_inverter);
AudioConnection patchCord8(modchorus_inverter, 0, master_mixer_l, 3);
#endif
#if defined(USE_REVERB)
AudioEffectFreeverbStereo freeverbs1;
AudioConnection patchCord13(freeverbs1, 0, master_mixer_r, 1);
AudioConnection patchCord14(freeverbs1, 1, master_mixer_l, 1);
AudioConnection patchCord9(freeverbs1, 0, master_mixer_r, 1);
AudioConnection patchCord10(freeverbs1, 1, master_mixer_l, 1);
#endif
AudioConnection patchCord15(delay_fb_mixer, delay1);
AudioConnection patchCord16(delay1, 0, delay_fb_mixer, 1);
AudioConnection patchCord17(delay1, 0, master_mixer_r, 2);
AudioConnection patchCord18(delay1, 0, master_mixer_l, 2);
AudioConnection patchCord19(master_mixer_r, volume_r);
AudioConnection patchCord20(master_mixer_l, volume_l);
AudioConnection patchCord21(volume_r, 0, stereomono1, 0);
AudioConnection patchCord22(volume_l, 0, stereomono1, 1);
AudioConnection patchCord11(delay_fb_mixer, delay1);
AudioConnection patchCord12(delay1, 0, delay_fb_mixer, 1);
AudioConnection patchCord13(delay1, 0, master_mixer_r, 2);
AudioConnection patchCord14(delay1, 0, master_mixer_l, 2);
AudioConnection patchCord15(master_mixer_r, volume_r);
AudioConnection patchCord16(master_mixer_l, volume_l);
AudioConnection patchCord17(volume_r, 0, stereomono1, 0);
AudioConnection patchCord18(volume_l, 0, stereomono1, 1);
#ifdef AUDIO_DEVICE_USB
AudioConnection patchCord23(stereomono1, 0, usb1, 0);
AudioConnection patchCord24(stereomono1, 1, usb1, 1);
AudioConnection patchCord19(stereomono1, 0, usb1, 0);
AudioConnection patchCord20(stereomono1, 1, usb1, 1);
#endif
#if defined(TEENSY_AUDIO_BOARD)
AudioOutputI2S i2s1;
AudioConnection patchCord25(stereomono1, 0, i2s1, 0);
AudioConnection patchCord26(stereomono1, 1, i2s1, 1);
AudioConnection patchCord21(stereomono1, 0, i2s1, 0);
AudioConnection patchCord22(stereomono1, 1, i2s1, 1);
AudioControlSGTL5000 sgtl5000_1;
#elif defined (I2S_AUDIO_ONLY)
AudioOutputI2S i2s1;
AudioConnection patchCord27(stereomono1, 0, i2s1, 0);
AudioConnection patchCord28(stereomono1, 1, i2s1, 1);
AudioConnection patchCord23(stereomono1, 0, i2s1, 0);
AudioConnection patchCord24(stereomono1, 1, i2s1, 1);
#elif defined(TGA_AUDIO_BOARD)
AudioOutputI2S i2s1;
AudioConnection patchCord29(stereomono1, 0, i2s1, 0);
AudioConnection patchCord30(stereomono1, 1, i2s1, 1);
AudioConnection patchCord25(stereomono1, 0, i2s1, 0);
AudioConnection patchCord26(stereomono1, 1, i2s1, 1);
AudioControlWM8731master wm8731_1;
#elif defined(PT8211_AUDIO)
AudioOutputPT8211 pt8211_1;
AudioConnection patchCord31(stereomono1, 0, pt8211_1, 0);
AudioConnection patchCord32(stereomono1, 1, pt8211_1, 1);
AudioConnection patchCord27(stereomono1, 0, pt8211_1, 0);
AudioConnection patchCord28(stereomono1, 1, pt8211_1, 1);
#elif defined(TEENSY_DAC_SYMMETRIC)
AudioOutputAnalogStereo dacOut;
AudioMixer4 invMixer;
AudioConnection patchCord33(stereomono1, 0, dacOut , 0);
AudioConnection patchCord34(stereomono1, 1, invMixer, 0);
AudioConnection patchCord35(invMixer, 0, dacOut , 1);
AudioConnection patchCord29(stereomono1, 0, dacOut , 0);
AudioConnection patchCord30(stereomono1, 1, invMixer, 0);
AudioConnection patchCord31(invMixer, 0, dacOut , 1);
#else
AudioOutputAnalogStereo dacOut;
AudioConnection patchCord36(stereomono1, 0, dacOut, 0);
AudioConnection patchCord37(stereomono1, 1, dacOut, 1);
AudioConnection patchCord32(stereomono1, 0, dacOut, 0);
AudioConnection patchCord33(stereomono1, 1, dacOut, 1);
#endif
//Dexed* MicroDexed[NUM_DEXED];
AudioConnection * dynamicConnections[NUM_DEXED * 7];
int nDynamic = 0;
@ -133,7 +134,6 @@ void create_audio_connections(AudioSourceMicroDexed &d)
}
bool sd_card_available = false;
uint8_t max_loaded_banks = 0;
char bank_name[BANK_NAME_LEN];
char voice_name[VOICE_NAME_LEN];
@ -194,15 +194,7 @@ void setup()
Serial.println(F("NO LCD DISPLAY ENABLED!"));
#endif
for (uint8_t i = 0; i < NUM_DEXED; i++)
{
Serial.print(F("Creating MicroDexed engine "));
Serial.println(i, DEC);
MicroDexed[i] = new AudioSourceMicroDexed(SAMPLE_RATE);
create_audio_connections(*MicroDexed[i]);
}
//microdexed1.setDexeds(NUM_DEXED, MicroDexed);
delay(220);
delay(220); // necessary, because before this time no serial output is done :(
Serial.println(F("MicroDexed based on https://github.com/asb2m10/dexed"));
Serial.println(F("(c)2018,2019 H. Wirtz <wirtz@parasitstudio.de>"));
@ -213,6 +205,14 @@ void setup()
initial_values_from_eeprom();
for (uint8_t i = 0; i < NUM_DEXED; i++)
{
Serial.print(F("Creating MicroDexed engine "));
Serial.println(i, DEC);
MicroDexed[i] = new AudioSourceMicroDexed(SAMPLE_RATE);
create_audio_connections(*MicroDexed[i]);
}
setup_midi_devices();
// start audio card
@ -313,8 +313,9 @@ void setup()
change_disp_sd(true);
#endif
// Init effects
memset(delayline, 0, MOD_DELAY_SAMPLE_BUFFER);
if (!modchorus.begin(delayline, MOD_DELAY_SAMPLE_BUFFER)) {
Serial.println(F("AudioEffectModulatedDelay - right channel begin failed"));
Serial.println(F("AudioEffectModulatedDelay - begin failed"));
while (1);
}
#ifdef DEBUG
@ -326,23 +327,35 @@ void setup()
master_mixer_l.gain(0, 1.0);
#ifdef USE_REVERB
freeverbs1.roomsize(configuration.reverb_roomsize / 100.0);
freeverbs1.damping(configuration.reverb_damping / 100.0);
// INIT REVERB
freeverbs1.roomsize(mapfloat(configuration.reverb_roomsize, REVERB_ROOMSIZE_MIN, REVERB_ROOMSIZE_MAX, 0.0, 1.0));
freeverbs1.damping(mapfloat(configuration.reverb_damping, REVERB_DAMPING_MIN, REVERB_DAMPING_MAX, 0.0, 1.0));
master_mixer_r.gain(1, mapfloat(configuration.reverb_level, REVERB_LEVEL_MIN, REVERB_LEVEL_MAX, 0.0, 1.0));
master_mixer_l.gain(1, mapfloat(configuration.reverb_level, REVERB_LEVEL_MIN, REVERB_LEVEL_MAX, 0.0, 1.0));
#endif
master_mixer_r.gain(1, 0.0);
master_mixer_l.gain(1, 0.0);
delay1.delay(0, 0.0);
// INIT DELAY
delay1.delay(0, mapfloat(configuration.delay_time, DELAY_TIME_MIN, DELAY_TIME_MAX, 0.0, float(DELAY_TIME_MAX)));
// delay_fb_mixer is the feedback-adding mixer
delay_fb_mixer.gain(0, 1.0 - configuration.delay_feedback / 100.0); // original signal
delay_fb_mixer.gain(1, configuration.delay_feedback / 100.0); // amount of feedback
master_mixer_r.gain(2, 0.0);
master_mixer_l.gain(2, 0.0);
delay_fb_mixer.gain(0, 1.0 - (mapfloat(configuration.delay_feedback, DELAY_FEEDBACK_MIN, DELAY_FEEDBACK_MAX, 0.0, 1.0))); // original signal
delay_fb_mixer.gain(1, mapfloat(configuration.delay_feedback, DELAY_FEEDBACK_MIN, DELAY_FEEDBACK_MAX, 0.0, 1.0)); // amount of feedback
master_mixer_r.gain(2, mapfloat(configuration.delay_level, DELAY_LEVEL_MIN, DELAY_LEVEL_MAX, 0.0, 1.0));
master_mixer_l.gain(2, mapfloat(configuration.delay_level, DELAY_LEVEL_MIN, DELAY_LEVEL_MAX, 0.0, 1.0));
modulator.begin(MOD_WAVEFORM);
// INIT CHORUS
switch (configuration.chorus_waveform)
{
case 0:
modulator.begin(WAVEFORM_TRIANGLE);
break;
case 1:
modulator.begin(WAVEFORM_SINE);
break;
default:
modulator.begin(WAVEFORM_TRIANGLE);
}
modulator.phase(0);
modulator.amplitude(0.5);
modulator.amplitude(mapfloat(configuration.chorus_level, CHORUS_LEVEL_MIN, CHORUS_LEVEL_MAX, 0.0, 1.0));
modulator.offset(0.0);
#if MOD_FILTER_OUTPUT == MOD_BUTTERWORTH_FILTER_OUTPUT
// Butterworth filter, 12 db/octave
@ -353,21 +366,21 @@ void setup()
modchorus_filter.setLowpass(1, MOD_FILTER_CUTOFF_HZ, 1.3);
modchorus_filter.setLowpass(2, MOD_FILTER_CUTOFF_HZ, 0.54);
modchorus_filter.setLowpass(3, MOD_FILTER_CUTOFF_HZ, 1.3);
modchorus_filter.setLowpass(0, MOD_FILTER_CUTOFF_HZ, 0.54);
modchorus_filter.setLowpass(1, MOD_FILTER_CUTOFF_HZ, 1.3);
modchorus_filter.setLowpass(2, MOD_FILTER_CUTOFF_HZ, 0.54);
modchorus_filter.setLowpass(3, MOD_FILTER_CUTOFF_HZ, 1.3);
#endif
master_mixer_r.gain(3, 0.0);
master_mixer_l.gain(3, 0.0);
if (configuration.mono == 0)
modchorus_inverter.gain(-1.0); // stereo mode
else
modchorus_inverter.gain(1.0); // mono mode
master_mixer_r.gain(3, mapfloat(configuration.chorus_level, CHORUS_LEVEL_MIN, CHORUS_LEVEL_MAX, 0.0, 1.0));
master_mixer_l.gain(3, mapfloat(configuration.chorus_level, CHORUS_LEVEL_MIN, CHORUS_LEVEL_MAX, 0.0, 1.0));
for (uint8_t i = 0; i < NUM_DEXED; i++)
{
soften_filter_res[i].init(1.0);
soften_filter_cut[i].init(1.0);
MicroDexed[i]->fx.Gain = 1.0;
MicroDexed[i]->fx.Reso = 1.0;
MicroDexed[i]->fx.Cutoff = 1.0;
soften_filter_res[i].init(configuration.filter_resonance);
soften_filter_cut[i].init(configuration.filter_cutoff);
MicroDexed[i]->fx.Gain = mapfloat(configuration.loudness, LOUDNESS_MIN, LOUDNESS_MAX, 0.0, 1.0);
MicroDexed[i]->fx.Reso = mapfloat(configuration.filter_resonance, FILTER_RESONANCE_MIN, FILTER_RESONANCE_MAX, 0.0, 1.0);
MicroDexed[i]->fx.Cutoff = mapfloat(configuration.filter_cutoff, FILTER_CUTOFF_MIN, FILTER_CUTOFF_MAX, 0.0, 1.0);
}
// set initial volume and pan (read from EEPROM)
@ -1020,20 +1033,24 @@ void set_volume(uint8_t v, int8_t p, uint8_t m)
{
case 0: // stereo
stereomono1.stereo(true);
modchorus_inverter.gain(-1.0); // stereo mode
break;
case 1: // mono both
stereomono1.stereo(false);
configuration.pan = 0.5;
modchorus_inverter.gain(1.0); // stereo mode
break;
case 2: // mono right
volume_l.gain(0.0);
stereomono1.stereo(false);
configuration.pan = 0.5;
modchorus_inverter.gain(1.0); // stereo mode
break;
case 3: // mono left
volume_r.gain(0.0);
stereomono1.stereo(false);
configuration.pan = 0.5;
modchorus_inverter.gain(1.0); // stereo mode
break;
}
}
@ -1099,6 +1116,7 @@ void initial_values_from_eeprom(void)
}
#ifdef DEBUG
Serial.println();
show_configuration();
#endif
if (configuration.vol > 100)
@ -1175,6 +1193,35 @@ void show_cpu_and_mem_usage(void)
#endif
#ifdef DEBUG
void show_configuration(void)
{
Serial.println();
Serial.println(F("CONFIGURATION:"));
Serial.print(F("Checksum 0x")); Serial.println(configuration.checksum, HEX);
Serial.print(F("Bank ")); Serial.println(configuration.bank, DEC);
Serial.print(F("Voice ")); Serial.println(configuration.voice, DEC);
Serial.print(F("Volume ")); Serial.println(configuration.vol, DEC);
Serial.print(F("Panorama ")); Serial.println(configuration.pan, DEC);
Serial.print(F("Mono ")); Serial.println(configuration.mono, DEC);
Serial.print(F("MIDI-Channel ")); Serial.println(configuration.midi_channel, DEC);
Serial.print(F("Reverb Roomsize ")); Serial.println(configuration.reverb_roomsize, DEC);
Serial.print(F("Reverb Damping ")); Serial.println(configuration.reverb_damping, DEC);
Serial.print(F("Reverb Level ")); Serial.println(configuration.reverb_level, DEC);
Serial.print(F("Chorus Frequency ")); Serial.println(configuration.chorus_frequency, DEC);
Serial.print(F("Chorus Waveform ")); Serial.println(configuration.chorus_waveform, DEC);
Serial.print(F("Chorus Depth ")); Serial.println(configuration.chorus_depth, DEC);
Serial.print(F("Chorus Level ")); Serial.println(configuration.chorus_level, DEC);
Serial.print(F("Delay Time ")); Serial.println(configuration.delay_time, DEC);
Serial.print(F("Delay Feedback ")); Serial.println(configuration.delay_feedback, DEC);
Serial.print(F("Delay Level ")); Serial.println(configuration.delay_level, DEC);
Serial.print(F("Filter Cutoff ")); Serial.println(configuration.filter_cutoff, DEC);
Serial.print(F("Filter Resonance ")); Serial.println(configuration.filter_resonance, DEC);
Serial.print(F("Loudness ")); Serial.println(configuration.loudness, DEC);
Serial.print(F("Polyphony ")); Serial.println(configuration.polyphony, DEC);
Serial.print(F("Engine ")); Serial.println(configuration.engine, DEC);
Serial.println();
}
void show_patch(void)
{
uint8_t i;

6
UI.hpp
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@ -808,7 +808,7 @@ void UI_func_reverb_roomsize(uint8_t param)
lcd.setCursor(0, 1);
lcd_display_int(configuration.reverb_roomsize, 3, true, true, false);
freeverbs1.roomsize(configuration.reverb_roomsize / 100.0);
freeverbs1.roomsize(mapfloat(configuration.reverb_roomsize, REVERB_ROOMSIZE_MIN, REVERB_ROOMSIZE_MAX, 0.0, 1.0));
}
if (LCDML.FUNC_close()) // ****** STABLE END *********
@ -855,7 +855,7 @@ void UI_func_reverb_damping(uint8_t param)
lcd.setCursor(0, 1);
lcd_display_int(configuration.reverb_damping, 3, true, true, false);
freeverbs1.damping(configuration.reverb_damping / 100.0);
freeverbs1.damping(mapfloat(configuration.reverb_damping, REVERB_DAMPING_MIN, REVERB_DAMPING_MAX, 0.0, 1.0));
}
if (LCDML.FUNC_close()) // ****** STABLE END *********
@ -1120,7 +1120,7 @@ void UI_func_delay_time(uint8_t param)
}
else if (LCDML.BT_checkDown())
{
if (configuration.delay_time < DELAY_TIME_MAX)
if (configuration.delay_time < DELAY_TIME_MAX / 10)
{
configuration.delay_time += 1;
}

13
config.h
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@ -88,25 +88,24 @@
//*************************************************************************************************
//* AUDIO SOFTWARE SETTINGS
//*************************************************************************************************
// https://rechneronline.de/funktionsgraphen/
#ifndef TEENSY_AUDIO_BOARD
#if AUDIO_BLOCK_SAMPLES == 64
#define AUDIO_MEM 450
#else
#define AUDIO_MEM 225
#endif
#define DELAY_MAX_TIME 600
#define REDUCE_LOUDNESS 1
#else
#else // IF TEENSY_AUDIO_BOARD
#define SGTL5000_LINEOUT_LEVEL 29
#if AUDIO_BLOCK_SAMPLES == 64
#define AUDIO_MEM 900
#else
#define AUDIO_MEM 450
#endif
#define DELAY_MAX_TIME 1200
#define DELAY_MAX_TIME 600
#define REDUCE_LOUDNESS 1
#endif
#define DELAY_MAX_TIME 600
#define SAMPLE_RATE 44100
#define SOFTEN_VALUE_CHANGE_STEPS 5
@ -310,7 +309,7 @@
#define CHORUS_LEVEL_DEFAULT 0
#define DELAY_TIME_MIN 0
#define DELAY_TIME_MAX DELAY_MAX_TIME/10
#define DELAY_TIME_MAX DELAY_MAX_TIME
#define DELAY_TIME_DEFAULT 0
#define DELAY_FEEDBACK_MIN 0
@ -323,11 +322,11 @@
#define FILTER_CUTOFF_MIN 0
#define FILTER_CUTOFF_MAX 100
#define FILTER_CUTOFF_DEFAULT 0
#define FILTER_CUTOFF_DEFAULT 100
#define FILTER_RESONANCE_MIN 0
#define FILTER_RESONANCE_MAX 100
#define FILTER_RESONANCE_DEFAULT 0
#define FILTER_RESONANCE_DEFAULT 100
#define LOUDNESS_MIN 0
#define LOUDNESS_MAX 100

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