wirtz
/
MicroDexed
mirror of https://codeberg.org/dcoredump/MicroDexed.git
1
1
Fork 0
Code Issues Releases Wiki Activity

Reworking on the audio chain.

Browse Source
pull/3/head
Holger Wirtz 5 years ago
parent d9219bd74d
commit 1daf236276
3 changed files with 85 additions and 97 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Show Stats Download Patch File Download Diff File
  1. 142
      MicroDexed.ino
  2. 32
      UI.hpp
  3. 8
      config.h

142
MicroDexed.ino
Unescape View File

@ -42,85 +42,70 @@
AudioPlayQueue queue1; AudioPlayQueue queue1;
AudioAnalyzePeak peak1; AudioAnalyzePeak peak1;
AudioEffectDelay delay1; AudioEffectDelay delay1;
#ifdef USE_REVERB
AudioEffectFreeverbStereo freeverbs1;
#endif
AudioEffectModulatedDelay modchorus; AudioEffectModulatedDelay modchorus;
#if MOD_FILTER_OUTPUT != MOD_NO_FILTER_OUTPUT
AudioFilterBiquad modchorus_filter;
#endif
AudioSynthWaveform modulator; AudioSynthWaveform modulator;
AudioMixer4 chorus_mixer;
AudioMixer4 delay_mixer;
AudioMixer4 delay_fb_mixer; AudioMixer4 delay_fb_mixer;
AudioMixer4 reverb_mixer_r; AudioMixer4 master_mixer_r;
AudioMixer4 reverb_mixer_l; AudioMixer4 master_mixer_l;
AudioAmplifier volume_r; AudioAmplifier volume_r;
AudioAmplifier volume_l; AudioAmplifier volume_l;
#ifdef MIDI_DEVICE_USB
AudioOutputUSB usb1;
#endif
AudioConnection patchCord0(queue1, peak1); AudioConnection patchCord0(queue1, peak1);
AudioConnection patchCord1(queue1, 0, chorus_mixer, 0); AudioConnection patchCord1(queue1, 0, delay_fb_mixer, 0);
AudioConnection patchCord3(queue1, 0, delay_mixer, 0); AudioConnection patchCord2(queue1, 0, modchorus, 0);
AudioConnection patchCord4(queue1, 0, delay_fb_mixer, 0); AudioConnection patchCord3(queue1, 0 , master_mixer_r, 0);
#ifdef USE_REVERB AudioConnection patchCord4(queue1, 0 , master_mixer_l, 0);
AudioConnection patchCord5(queue1, 0, reverb_mixer_r, 0); AudioConnection patchCord5(modulator, 0, modchorus, 1);
AudioConnection patchCord6(queue1, 0, reverb_mixer_l, 0);
#endif
AudioConnection patchCord7(queue1, 0, modchorus, 0);
AudioConnection patchCord8(modulator, 0, modchorus, 1);
#if MOD_FILTER_OUTPUT != MOD_NO_FILTER_OUTPUT #if MOD_FILTER_OUTPUT != MOD_NO_FILTER_OUTPUT
AudioConnection patchCord9(modchorus, modchorus_filter); AudioFilterBiquad modchorus_filter;
AudioConnection patchCord10(modchorus_filter, 0, chorus_mixer, 1); AudioConnection patchCord6(modchorus, modchorus_filter);
AudioConnection patchCord7(modchorus_filter, 0, master_mixer_r, 3);
AudioConnection patchCord8(modchorus_filter, 0, master_mixer_l, 3);
#else #else
AudioConnection patchCord9(modchorus, 0, chorus_mixer, 1); AudioConnection patchCord9(modchorus, 0, master_mixer_r, 3);
AudioConnection patchCord10(modchorus, 0, master_mixer_l, 3);
#endif #endif
AudioConnection patchCord11(chorus_mixer, 0, delay_mixer, 1);
AudioConnection patchCord12(delay_fb_mixer, 0, delay_mixer, 1);
AudioConnection patchCord13(delay_mixer, 0, reverb_mixer_r, 0);
AudioConnection patchCord14(delay_mixer, 0, reverb_mixer_l, 0);
AudioConnection patchCord15(delay1, 0, delay_mixer, 2);
AudioConnection patchCord16(delay_fb_mixer, delay1);
#ifdef USE_REVERB #ifdef USE_REVERB
AudioConnection patchCord17(delay_mixer, 0, freeverbs1, 0); AudioEffectFreeverbStereo freeverbs1;
AudioConnection patchCord18(delay_mixer, 0, freeverbs1, 1); AudioConnection patchCord11(queue1, 0, freeverbs1, 0);
AudioConnection patchCord19(freeverbs1, 0, reverb_mixer_r, 1); AudioConnection patchCord12(queue1, 0, freeverbs1, 1);
AudioConnection patchCord20(freeverbs1, 1, reverb_mixer_l, 1); AudioConnection patchCord13(freeverbs1, 0, master_mixer_r, 1);
AudioConnection patchCord21(reverb_mixer_r, volume_r); AudioConnection patchCord14(freeverbs1, 1, master_mixer_l, 1);
AudioConnection patchCord22(reverb_mixer_l, volume_l);
#else
AudioConnection patchCord17(delay_mixer, volume_r);
AudioConnection patchCord18(delay_mixer, volume_l);
#endif #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);
#ifdef MIDI_DEVICE_USB #ifdef MIDI_DEVICE_USB
AudioConnection patchCord23(volume_r, 0, usb1, 0); AudioOutputUSB usb1;
AudioConnection patchCord24(volume_l, 0, usb1, 1); AudioConnection patchCord21(volume_r, 0, usb1, 0);
AudioConnection patchCord22(volume_l, 0, usb1, 1);
#endif #endif
#if defined(TEENSY_AUDIO_BOARD) #if defined(TEENSY_AUDIO_BOARD)
AudioOutputI2S i2s1; AudioOutputI2S i2s1;
AudioConnection patchCord25(volume_r, 0, i2s1, 0); AudioConnection patchCord23(volume_r, 0, i2s1, 0);
AudioConnection patchCord26(volume_l, 0, i2s1, 1); AudioConnection patchCord24(volume_l, 0, i2s1, 1);
AudioControlSGTL5000 sgtl5000_1; AudioControlSGTL5000 sgtl5000_1;
#elif defined(TGA_AUDIO_BOARD) #elif defined(TGA_AUDIO_BOARD)
AudioOutputI2S i2s1; AudioOutputI2S i2s1;
AudioConnection patchCord27(volume_r, 0, i2s1, 0); AudioConnection patchCord25(volume_r, 0, i2s1, 0);
AudioConnection patchCord28(volume_l, 0, i2s1, 1); AudioConnection patchCord26(volume_l, 0, i2s1, 1);
AudioControlWM8731master wm8731_1; AudioControlWM8731master wm8731_1;
#elif defined(TEENSY_DAC) #elif defined(PT8211_AUDIO)
AudioOutputAnalogStereo dacOut; AudioOutputPT8211 pt8211_1;
AudioConnection patchCord11(volume_r, 0, dacOut, 0); AudioConnection patchCord27(volume_r, 0, pt8211_1, 0);
AudioConnection patchCord12(volume_l, 0, dacOut, 1); AudioConnection patchCord28(volume_l, 0, pt8211_1, 1);
#elif defined(TEENSY_DAC_SYMMETRIC) #elif defined(TEENSY_DAC_SYMMETRIC)
AudioOutputAnalogStereo dacOut; AudioOutputAnalogStereo dacOut;
AudioMixer4 invMixer; AudioMixer4 invMixer;
AudioConnection patchCord11(volume_l, 0, dacOut , 0); AudioConnection patchCord29(volume_l, 0, dacOut , 0);
AudioConnection patchCord12(volume_l, 0, invMixer, 0); AudioConnection patchCord30(volume_l, 0, invMixer, 0);
AudioConnection patchCord13(invMixer, 0, dacOut , 1); AudioConnection patchCord31(invMixer, 0, dacOut , 1);
#else #else
AudioOutputPT8211 pt8211_1; AudioOutputAnalogStereo dacOut;
AudioConnection patchCord29(volume_r, 0, pt8211_1, 0); AudioConnection patchCord32(volume_r, 0, dacOut, 0);
AudioConnection patchCord30(volume_l, 0, pt8211_1, 1); AudioConnection patchCord33(volume_l, 0, dacOut, 1);
#endif #endif
Dexed* MicroDexed[NUM_DEXED]; Dexed* MicroDexed[NUM_DEXED];
@ -244,7 +229,7 @@ void setup()
AudioNoInterrupts(); AudioNoInterrupts();
AudioMemory(AUDIO_MEM); AudioMemory(AUDIO_MEM);
#ifdef TEENSY_AUDIO_BOARD #if defined(TEENSY_AUDIO_BOARD)
sgtl5000_1.enable(); sgtl5000_1.enable();
sgtl5000_1.dacVolumeRamp(); sgtl5000_1.dacVolumeRamp();
//sgtl5000_1.dacVolumeRampLinear(); //sgtl5000_1.dacVolumeRampLinear();
@ -277,13 +262,13 @@ void setup()
wm8731_1.enable(); wm8731_1.enable();
wm8731_1.volume(1.0); wm8731_1.volume(1.0);
Serial.println(F("TGA board enabled.")); Serial.println(F("TGA board enabled."));
#elif defined(TEENSY_DAC) #elif defined(PT8211_AUDIO)
Serial.println(F("Internal DAC enabled.")); Serial.println(F("PT8211 enabled."));
#elif defined(TEENSY_DAC_SYMMETRIC) #elif defined(TEENSY_DAC_SYMMETRIC)
invMixer.gain(0,-1.f); invMixer.gain(0, -1.f);
Serial.println(F("Internal DAC using symmetric outputs enabled.")); Serial.println(F("Internal DAC using symmetric outputs enabled."));
#else #else
Serial.println(F("PT8211 enabled.")); Serial.println(F("Internal DAC enabled."));
#endif #endif
// start SD card // start SD card
@ -338,6 +323,21 @@ void setup()
Serial.print(MOD_DELAY_SAMPLE_BUFFER, DEC); Serial.print(MOD_DELAY_SAMPLE_BUFFER, DEC);
Serial.println(F(" samples")); Serial.println(F(" samples"));
#endif #endif
master_mixer_r.gain(0, 1.0);
master_mixer_l.gain(0, 1.0);
freeverbs1.roomsize(configuration.reverb_roomsize / 100.0);
freeverbs1.damping(configuration.reverb_damping / 100.0);
master_mixer_r.gain(1, 0.0);
master_mixer_l.gain(1, 0.0);
delay1.delay(0, 0.0);
// 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);
modulator.begin(MOD_WAVEFORM); modulator.begin(MOD_WAVEFORM);
modulator.phase(0); modulator.phase(0);
modulator.amplitude(0.5); modulator.amplitude(0.5);
@ -356,24 +356,8 @@ void setup()
modchorus_filter.setLowpass(2, MOD_FILTER_CUTOFF_HZ, 0.54); modchorus_filter.setLowpass(2, MOD_FILTER_CUTOFF_HZ, 0.54);
modchorus_filter.setLowpass(3, MOD_FILTER_CUTOFF_HZ, 1.3); modchorus_filter.setLowpass(3, MOD_FILTER_CUTOFF_HZ, 1.3);
#endif #endif
master_mixer_r.gain(3, 0.0);
chorus_mixer.gain(0, 1.0); master_mixer_l.gain(3, 0.0);
chorus_mixer.gain(1, 0.0);
delay1.delay(0, 0.0);
// delay_fb_mixer is the feedback-adding mixer, delay_mixer_r the whole delay (with/without feedback) mixer
delay_fb_mixer.gain(0, 1.0); // original signal
delay_fb_mixer.gain(1, mapfloat(effect_delay_feedback, 0, ENC_DELAY_FB_STEPS, 0.0, 1.0)); // amount of feedback
delay_mixer.gain(0, 1.0 - mapfloat(effect_delay_volume, 0, ENC_DELAY_VOLUME_STEPS, 0.0, 1.0)); // original signal
delay_mixer.gain(1, mapfloat(effect_delay_volume, 0, ENC_DELAY_VOLUME_STEPS, 0.0, 1.0)); // delayed signal (including feedback)
delay_mixer.gain(2, mapfloat(effect_delay_volume, 0, ENC_DELAY_VOLUME_STEPS, 0.0, 1.0)); // only delayed signal (without feedback)
reverb_mixer_r.gain(0, 1.0);
reverb_mixer_l.gain(0, 1.0);
reverb_mixer_r.gain(1, 0.0);
reverb_mixer_l.gain(1, 0.0);
freeverbs1.roomsize(configuration.reverb_roomsize / 100);
for (uint8_t i = 0; i < NUM_DEXED; i++) for (uint8_t i = 0; i < NUM_DEXED; i++)
{ {

32
UI.hpp
Unescape View File

@ -59,11 +59,9 @@ extern AudioEffectFreeverbStereo freeverbs1;
#endif #endif
extern AudioEffectModulatedDelay modchorus; extern AudioEffectModulatedDelay modchorus;
extern AudioSynthWaveform modulator; extern AudioSynthWaveform modulator;
extern AudioMixer4 chorus_mixer;
extern AudioMixer4 delay_mixer;
extern AudioMixer4 delay_fb_mixer; extern AudioMixer4 delay_fb_mixer;
extern AudioMixer4 reverb_mixer_r; extern AudioMixer4 master_mixer_r;
extern AudioMixer4 reverb_mixer_l; extern AudioMixer4 master_mixer_l;
extern AudioAmplifier volume_r; extern AudioAmplifier volume_r;
extern AudioAmplifier volume_l; extern AudioAmplifier volume_l;
@ -626,9 +624,9 @@ void UI_func_sound(uint8_t param)
{ {
// setup function // setup function
lcd.setCursor(0, 0); lcd.setCursor(0, 0);
lcd.print(F("Filter Res.")); lcd.print(F("Sound"));
lcd.setCursor(0, 1); lcd.setCursor(0, 1);
lcd.print(F("<value>")); lcd.print(F("not implemented"));
} }
if (LCDML.FUNC_loop()) // ****** LOOP ********* if (LCDML.FUNC_loop()) // ****** LOOP *********
@ -651,7 +649,7 @@ void UI_func_reverb_roomsize(uint8_t param)
{ {
// setup function // setup function
lcd.setCursor(0, 0); lcd.setCursor(0, 0);
lcd.print(F("Rev. Roomsize")); lcd.print(F("Reverb Roomsize"));
} }
if (LCDML.FUNC_loop()) // ****** LOOP ********* if (LCDML.FUNC_loop()) // ****** LOOP *********
@ -692,7 +690,7 @@ void UI_func_reverb_damping(uint8_t param)
{ {
// setup function // setup function
lcd.setCursor(0, 0); lcd.setCursor(0, 0);
lcd.print(F("Rev. Damping")); lcd.print(F("Reverb Damping"));
} }
if (LCDML.FUNC_loop()) // ****** LOOP ********* if (LCDML.FUNC_loop()) // ****** LOOP *********
@ -760,8 +758,8 @@ void UI_func_reverb_level(uint8_t param)
lcd.setCursor(0, 1); lcd.setCursor(0, 1);
lcd_display_int(configuration.reverb_level, 3, true, true, false); lcd_display_int(configuration.reverb_level, 3, true, true, false);
reverb_mixer_r.gain(1, configuration.reverb_level / 100.0); master_mixer_r.gain(1, configuration.reverb_level / 100.0);
reverb_mixer_l.gain(1, configuration.reverb_level / 100.0); master_mixer_l.gain(1, configuration.reverb_level / 100.0);
} }
if (LCDML.FUNC_close()) // ****** STABLE END ********* if (LCDML.FUNC_close()) // ****** STABLE END *********
@ -800,8 +798,9 @@ void UI_func_chorus_frequency(uint8_t param)
} }
} }
lcd.setCursor(0, 1); lcd.setCursor(0, 1);
lcd_display_float(configuration.chorus_frequency / 10.0, 2, 1, true, true, false); lcd_display_float(configuration.chorus_frequency / 10.0, 2, 1, false, true, false);
lcd.print(" Hz");
modulator.frequency(configuration.chorus_frequency / 10.0); modulator.frequency(configuration.chorus_frequency / 10.0);
} }
@ -937,7 +936,9 @@ void UI_func_chorus_level(uint8_t param)
lcd.setCursor(0, 1); lcd.setCursor(0, 1);
lcd_display_int(configuration.chorus_level, 3, true, true, false); lcd_display_int(configuration.chorus_level, 3, true, true, false);
chorus_mixer.gain(1, configuration.chorus_level / 100.0);
master_mixer_r.gain(3, configuration.chorus_level / 100.0);
master_mixer_l.gain(3, configuration.chorus_level / 100.0);
} }
if (LCDML.FUNC_close()) // ****** STABLE END ********* if (LCDML.FUNC_close()) // ****** STABLE END *********
@ -1020,7 +1021,7 @@ void UI_func_delay_feedback(uint8_t param)
lcd_display_int(configuration.delay_feedback, 3, true, true, false); lcd_display_int(configuration.delay_feedback, 3, true, true, false);
delay_fb_mixer.gain(1, configuration.delay_feedback / 100.0 ); // amount of feedback delay_fb_mixer.gain(1, configuration.delay_feedback / 100.0 ); // amount of feedback
delay_mixer.gain(0, 1.0 - configuration.delay_feedback / 100.0); // original signal delay_fb_mixer.gain(0, 1.0 - configuration.delay_feedback / 100.0); // original signal
} }
if (LCDML.FUNC_close()) // ****** STABLE END ********* if (LCDML.FUNC_close()) // ****** STABLE END *********
@ -1061,7 +1062,8 @@ void UI_func_delay_level(uint8_t param)
lcd.setCursor(0, 1); lcd.setCursor(0, 1);
lcd_display_int(configuration.delay_level, 3, true, true, false); lcd_display_int(configuration.delay_level, 3, true, true, false);
delay_mixer.gain(1, configuration.delay_level / 100.0); master_mixer_r.gain(2, configuration.delay_level / 100.0);
master_mixer_l.gain(2, configuration.delay_level / 100.0);
} }
if (LCDML.FUNC_close()) // ****** STABLE END ********* if (LCDML.FUNC_close()) // ****** STABLE END *********

8
config.h
Unescape View File

@ -53,9 +53,11 @@
// AUDIO // AUDIO
// If nothing is defined Teensy internal DAC is used as audio output device! // If nothing is defined Teensy internal DAC is used as audio output device!
// Left and right channel audio signal is presented on pins A21 and A22. // Left and right channel audio signal is presented on pins A21 and A22.
#define TEENSY_DAC //#define TEENSY_DAC
// #define TEENSY_AUDIO_BOARD 1 //#define TEENSY_DAC_SYMMETRIC
// #define TGA_AUDIO_BOARD //#define TEENSY_AUDIO_BOARD
//#define TGA_AUDIO_BOARD
#define PT8211_AUDIO
//************************************************************************************************* //*************************************************************************************************
//* MIDI SETTINGS //* MIDI SETTINGS

Write Preview
Loading…
Cancel
Save