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824 lines
26 KiB
824 lines
26 KiB
/*
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MicroMDAEPiano
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MicroMDAEPiano is a port of the MDA-EPiano sound engine
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(https://sourceforge.net/projects/mda-vst/) for the Teensy-3.5/3.6 with audio shield.
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(c)2019-2020 H. Wirtz <wirtz@parasitstudio.de>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software Foundation,
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Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <Audio.h>
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#include <Wire.h>
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#include <SPI.h>
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#include <MIDI.h>
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#include <EEPROM.h>
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#include "EEPROMAnything.h"
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#include "mdaEPiano.h"
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#include "source_micromdaepiano.h"
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#include "effect_modulated_delay.h"
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#ifdef USE_XFADE_DATA
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#include "mdaEPianoDataXfade.h"
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#else
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#include "mdaEPianoData.h"
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#endif
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#include "UI.hpp"
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#include "midi_devices.hpp"
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#include "config.h"
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//*************************************************************************************************
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//* GLOBAL VARIABLES
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//*************************************************************************************************
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// Audio configuration
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AudioSourceMicroMDAEPiano ep;
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AudioAnalyzePeak peak_r;
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AudioAnalyzePeak peak_l;
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AudioEffectFreeverb freeverb_r;
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AudioEffectFreeverb freeverb_l;
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AudioMixer4 mixer_r;
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AudioMixer4 mixer_l;
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AudioAmplifier volume_r;
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AudioAmplifier volume_l;
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AudioAmplifier inverter;
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AudioEffectModulatedDelay modchorus_r;
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AudioEffectModulatedDelay modchorus_l;
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#if MOD_FILTER_OUTPUT != MOD_NO_FILTER_OUTPUT
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AudioFilterBiquad modchorus_filter_r;
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AudioFilterBiquad modchorus_filter_l;
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#endif
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AudioSynthWaveform modulator;
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AudioConnection patchCord0(ep, 0, peak_r, 0);
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AudioConnection patchCord1(ep, 1, peak_l, 0);
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AudioConnection patchCord2(ep, 0, freeverb_r, 0);
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AudioConnection patchCord3(ep, 1, freeverb_l, 0);
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AudioConnection patchCord4(ep, 0, modchorus_r, 0);
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AudioConnection patchCord5(ep, 1, modchorus_l, 0);
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AudioConnection patchCord6(modulator, 0, modchorus_r, 1);
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AudioConnection patchCord7(modulator, inverter);
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AudioConnection patchCord8(inverter, 0, modchorus_l, 1);
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AudioConnection patchCord9(ep, 0, mixer_r, 0);
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AudioConnection patchCord10(ep, 1, mixer_l, 0);
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#if MOD_FILTER_OUTPUT != MOD_NO_FILTER_OUTPUT
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AudioConnection patchCord11(modchorus_r, modchorus_filter_r);
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AudioConnection patchCord12(modchorus_l, modchorus_filter_l);
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AudioConnection patchCord13(modchorus_filter_r, 0, mixer_r, 2);
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AudioConnection patchCord14(modchorus_filter_l, 0, mixer_l, 2);
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#else
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AudioConnection patchCord11(modchorus_r, mixer_r);
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AudioConnection patchCord12(modchorus_l, mixer_l);
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#endif
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AudioConnection patchCord15(freeverb_r, 0, mixer_r, 1);
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AudioConnection patchCord16(freeverb_l, 0, mixer_l, 1);
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AudioConnection patchCord17(mixer_r, volume_r);
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AudioConnection patchCord18(mixer_l, volume_l);
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#ifdef USB_AUDIO
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AudioOutputUSB usb1;
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AudioConnection patchCord19(volume_r, 0, usb1, 0);
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AudioConnection patchCord20(volume_l, 0, usb1, 1);
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#endif
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AudioOutputI2S i2s1;
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AudioConnection patchCord21(volume_r, 0, i2s1, 0);
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AudioConnection patchCord22(volume_l, 0, i2s1, 1);
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AudioControlSGTL5000 sgtl5000_1;
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extern void init_menus(void);
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extern int32_t encoder_value[NUM_ENCODER];
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extern Bounce but[NUM_ENCODER];
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// more variables
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uint8_t sound = 1;
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uint32_t xrun = 0;
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uint32_t overload = 0;
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uint32_t peak = 0;
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uint16_t render_time_max = 0;
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elapsedMicros fill_audio_buffer;
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elapsedMillis control_rate;
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const uint16_t audio_block_time_us = 1000000 / (SAMPLE_RATE / AUDIO_BLOCK_SAMPLES);
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config_t configuration = {
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0xffff, // checksum
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ENC_DECAY_DEFAULT, // decay
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ENC_RELEASE_DEFAULT, // release
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ENC_HARDNESS_DEFAULT, // hardness
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ENC_TREBLE_DEFAULT, // treble
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ENC_STEREO_DEFAULT, // stereo
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ENC_TRANSPOSE_DEFAULT, // transpose
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ENC_TUNE_DEFAULT, // tune
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ENC_DETUNE_DEFAULT, // detune
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ENC_VELOCITY_SENSE_DEFAULT, // velocity_sense
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ENC_PAN_TREM_FREQUENCY_DEFAULT, // pan_trem_frequency
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ENC_PAN_TREM_LEVEL_DEFAULT, // pan_trem_level
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ENC_OVERDRIVE_DEFAULT, // overdrive
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ENC_COMP_GAIN_DEFAULT, // comp_gain
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ENC_COMP_RESPONSE_DEFAULT, // comp_response
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ENC_COMP_LIMIT_DEFAULT, // comp_limit
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ENC_COMP_THRESHOLD_DEFAULT, // comp_threshold
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ENC_COMP_ATTACK_DEFAULT, // comp_attack
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ENC_COMP_DECAY_DEFAULT, // comp_decay
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ENC_REVERB_ROOMSIZE_DEFAULT, // reverb_roomsize
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ENC_REVERB_DAMPING_DEFAULT, // reverb_damping
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ENC_REVERB_LEVEL_DEFAULT, // reverb_level
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ENC_CHORUS_FREQUENCY_DEFAULT, // chorus_frequency
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ENC_CHORUS_INTENSITY_DEFAULT, // chorus_intensity
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ENC_CHORUS_WAVEFORM_DEFAULT, // chorus_waveform
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ENC_CHORUS_LEVEL_DEFAULT, // chorus_level
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ENC_BASS_LR_LEVEL_DEFAULT, // bass_lr_level
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ENC_BASS_MONO_LEVEL_DEFAULT, // bass_mono_level
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ENC_EQ_BASS_DEFAULT, // eq_bass
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ENC_EQ_TREBLE_DEFAULT, // eq_treble
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ENC_LOUDNESS_DEFAULT, // loudness
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ENC_MIDI_CHANNEL_DEFAULT, // midi_channel
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ENC_MIDI_SOFT_THRU_DEFAULT, // midi_soft_thru
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ENC_MAX_POLY_DEFAULT, // max_poly
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ENC_MONO_DEFAULT, // mono
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ENC_MASTER_PAN_DEFAULT // pan
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};
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uint8_t master_volume = ENC_MASTER_VOLUME_DEFAULT;
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int8_t pan = ENC_MASTER_PAN_DEFAULT;
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uint8_t eeprom_config_update_flag = 0;
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bool eeprom_master_volume_update_flag = false;
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elapsedMillis eeprom_master_volume_update_timer;
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#ifdef SHOW_CPU_LOAD_MSEC
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elapsedMillis cpu_mem_millis;
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#endif
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#ifdef DEBUG_AUDIO
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elapsedMillis debug_audio_timer;
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#endif
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// Allocate the delay lines for left and right channels
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short l_delayline[MOD_DELAY_SAMPLE_BUFFER];
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short r_delayline[MOD_DELAY_SAMPLE_BUFFER];
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enum { VOL_MAIN, VOL_REVERB, VOL_CHORUS };
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//*************************************************************************************************
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//* SETUP FUNCTION
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//*************************************************************************************************
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void setup()
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{
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Serial.begin(SERIAL_SPEED);
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pinMode(BUT_L_PIN, INPUT_PULLUP);
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pinMode(BUT_R_PIN, INPUT_PULLUP);
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init_menus();
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// Debug output
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Serial.println(F("MicroMDAEPiano based on https://sourceforge.net/projects/mda-vst"));
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Serial.println(F("(c)2019-2020 H. Wirtz <wirtz@parasitstudio.de>"));
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Serial.println(F("https://codeberg.org/dcoredump/MicroMDAEPiano"));
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Serial.print(F("Data in PROGMEM: "));
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Serial.print(sizeof(epianoDataXfade), DEC);
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Serial.println(F(" bytes"));
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Serial.println();
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Serial.println(F("<setup start>"));
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// set initial init configuration
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set_complete_configuration();
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setup_midi_devices();
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// start audio card
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AudioNoInterrupts();
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AudioMemory(AUDIO_MEM);
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sgtl5000_1.enable();
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sgtl5000_1.dacVolumeRamp();
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sgtl5000_1.dacVolume(1.0);
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sgtl5000_1.unmuteHeadphone();
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sgtl5000_1.volume(0.5, 0.5); // Headphone volume
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sgtl5000_1.unmuteLineout();
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sgtl5000_1.lineOutLevel(SGTL5000_LINEOUT_LEVEL);
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sgtl5000_1.audioPostProcessorEnable();
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sgtl5000_1.eqSelect(TONE_CONTROLS);
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sgtl5000_1.autoVolumeEnable();
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sgtl5000_1.enhanceBassEnable();
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Serial.println(F("Teensy-Audio-Board enabled."));
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#if defined (SHOW_DEBUG) && defined (SHOW_CPU_LOAD_MSEC)
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// Initialize processor and memory measurements
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AudioProcessorUsageMaxReset();
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AudioMemoryUsageMaxReset();
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#endif
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AudioInterrupts();
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Serial.print(F("AUDIO_BLOCK_SAMPLES="));
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Serial.print(AUDIO_BLOCK_SAMPLES);
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Serial.print(F(" (Time per block="));
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Serial.print(audio_block_time_us);
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Serial.println(F("us)"));
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if (!modchorus_r.begin(r_delayline, MOD_DELAY_SAMPLE_BUFFER)) {
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Serial.println(F("AudioEffectModulatedDelay - right channel begin failed"));
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while (1);
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}
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if (!modchorus_l.begin(l_delayline, MOD_DELAY_SAMPLE_BUFFER)) {
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Serial.println(F("AudioEffectModulatedDelay - left channel begin failed"));
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while (1);
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}
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#ifdef DEBUG
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Serial.print(F("MOD_DELAY_SAMPLE_BUFFER="));
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Serial.print(MOD_DELAY_SAMPLE_BUFFER, DEC);
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Serial.println(F(" samples"));
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#endif
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// chorus modulation fixed
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modulator.begin(MOD_WAVEFORM);
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modulator.phase(0);
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modulator.amplitude(0.5);
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modulator.offset(0.0);
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#if MOD_FILTER_OUTPUT == MOD_BUTTERWORTH_FILTER_OUTPUT
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// Butterworth filter, 12 db/octave
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modchorus_filter_r.setLowpass(0, MOD_FILTER_CUTOFF_HZ, 0.707);
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modchorus_filter_l.setLowpass(0, MOD_FILTER_CUTOFF_HZ, 0.707);
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#elif MOD_FILTER_OUTPUT == MOD_LINKWITZ_RILEY_FILTER_OUTPUT
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// Linkwitz-Riley filter, 48 dB/octave
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modchorus_filter_r.setLowpass(0, MOD_FILTER_CUTOFF_HZ, 0.54);
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modchorus_filter_r.setLowpass(1, MOD_FILTER_CUTOFF_HZ, 1.3);
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modchorus_filter_r.setLowpass(2, MOD_FILTER_CUTOFF_HZ, 0.54);
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modchorus_filter_r.setLowpass(3, MOD_FILTER_CUTOFF_HZ, 1.3);
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modchorus_filter_l.setLowpass(0, MOD_FILTER_CUTOFF_HZ, 0.54);
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modchorus_filter_l.setLowpass(1, MOD_FILTER_CUTOFF_HZ, 1.3);
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modchorus_filter_l.setLowpass(2, MOD_FILTER_CUTOFF_HZ, 0.54);
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modchorus_filter_l.setLowpass(3, MOD_FILTER_CUTOFF_HZ, 1.3);
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#endif
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// internal mixing of original signal(0), reverb(1) and chorus(2)
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mixer_r.gain(VOL_MAIN, 0.5);
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mixer_l.gain(VOL_MAIN, 0.5);
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mixer_r.gain(VOL_REVERB, 0.2);
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mixer_l.gain(VOL_REVERB, 0.2);
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mixer_r.gain(VOL_CHORUS, 0.2);
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mixer_l.gain(VOL_CHORUS, 0.2);
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// Stereo/Mono initial setup
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if (configuration.mono == 0)
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{
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inverter.gain(-1.0); // change phase for second modulated delay (faked stereo mode)
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}
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else
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{
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inverter.gain(1.0);
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configuration.pan = ENC_MASTER_PAN_DEFAULT;
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}
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// set master volume
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set_master_volume(master_volume);
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// load last configuration used
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initial_values_from_eeprom();
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// init random generator
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srand(analogRead(A0));
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Serial.println(F("<setup end>"));
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#if defined (SHOW_DEBUG) && defined (SHOW_CPU_LOAD_MSEC)
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Serial.println();
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show_cpu_and_mem_usage();
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cpu_mem_millis = 0;
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#endif
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}
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//*************************************************************************************************
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//* MAIN LOOP
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//*************************************************************************************************
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void loop()
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{
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check_midi_devices();
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// CONTROL-RATE-EVENT-HANDLING
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if (control_rate > CONTROL_RATE_MS)
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{
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control_rate = 0;
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handle_ui();
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if ( eeprom_config_update_flag > 0 && ep.getActiveVoices() == 0) // write only to eeprom when no voice is active
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eeprom_config_update();
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if (eeprom_master_volume_update_flag == true && eeprom_master_volume_update_timer > STORE_MASTER_VOLUME_MS && ep.getActiveVoices() == 0)
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eeprom_master_volume_update();
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}
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#if defined (SHOW_DEBUG) && defined (SHOW_CPU_LOAD_MSEC)
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if (cpu_mem_millis > SHOW_CPU_LOAD_MSEC)
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{
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show_cpu_and_mem_usage();
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cpu_mem_millis = 0;
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}
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#endif
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#ifdef DEBUG_AUDIO
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if (debug_audio_timer > DEBUG_AUDIO)
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{
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ep.noteOn(60 + rand() % 108, rand() % 128);
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debug_audio_timer = 0;
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}
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#endif
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}
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//*************************************************************************************************
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//* PROGRAM FUNCTIONS
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//*************************************************************************************************
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void handleNoteOn(byte inChannel, byte inNumber, byte inVelocity)
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{
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if (checkMidiChannel(inChannel))
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{
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ep.noteOn(inNumber + configuration.transpose, inVelocity);
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}
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}
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void handleNoteOff(byte inChannel, byte inNumber, byte inVelocity)
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{
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if (checkMidiChannel(inChannel))
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{
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ep.noteOn(inNumber + configuration.transpose, 0);
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}
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}
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void handleControlChange(byte inChannel, byte inData1, byte inData2)
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{
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if (checkMidiChannel(inChannel))
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{
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switch (inData1)
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{
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// Standard MIDI-CC
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case MIDI_CC_PANORAMA: // Panorama
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configuration.pan = map(inData2, 0, 127, ENC_MASTER_PAN_MIN, ENC_MASTER_PAN_MAX);
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break;
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case MIDI_CC_REVERB_SEND: // Reverb level
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set_reverb_level(map(inData2, 0, 127, ENC_REVERB_LEVEL_MIN, ENC_REVERB_LEVEL_MAX));
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break;
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case MIDI_CC_TREMOLO_DEPTH: // Tremolo level (same as modwheel)
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inData1 = 1; // now it's modwheel and can be processd by ep.processMidiController :-)
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break;
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case MIDI_CC_CHORUS_SEND: // Chorus level
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set_chorus_level(map(inData2, 0, 127, ENC_CHORUS_LEVEL_MIN, ENC_CHORUS_LEVEL_MAX));
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break;
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case MIDI_CC_DETUNE_DEPTH: // Detune level
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ep.setDetune(mapfloat(float(inData2), 0, 127, 0.0, 1.0));
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break;
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// Own MIDI-CC mapping
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case MIDI_CC_EP_DECAY:
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ep.setDecay(mapfloat(float(inData2), 0, 127, 0.0, 1.0));
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break;
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case MIDI_CC_EP_RELEASE:
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ep.setRelease(mapfloat(float(inData2), 0, 127, 0.0, 1.0));
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break;
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case MIDI_CC_EP_HARDNESS:
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ep.setHardness(mapfloat(float(inData2), 0, 127, 0.0, 1.0));
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break;
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case MIDI_CC_EP_TREBLE:
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ep.setTreble(mapfloat(float(inData2), 0, 127, 0.0, 1.0));
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break;
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case MIDI_CC_EP_STEREO:
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ep.setStereo(mapfloat(float(inData2), 0, 127, 0.0, 1.0));
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break;
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case MIDI_CC_EP_TUNE:
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ep.setTune(mapfloat(float(inData2), 0, 127, 0.0, 1.0));
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break;
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case MIDI_CC_EP_VELOCITY_SENSE:
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ep.setVelocitySense(mapfloat(float(inData2), 0, 127, 0.0, 1.0));
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break;
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case MIDI_CC_EP_TREM_FRQ:
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ep.setPanLFO(mapfloat(float(inData2), 0, 127, 0.0, 1.0));
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break;
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case MIDI_CC_EP_OVERDRIVE:
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ep.setOverdrive(mapfloat(float(inData2), 0, 127, 0.0, 1.0));
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break;
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case MIDI_CC_COMP_GAIN:
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set_comp_gain(map(inData2, 0, 127, ENC_COMP_GAIN_MIN, ENC_COMP_GAIN_MAX));
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break;
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case MIDI_CC_COMP_REPOSNE:
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set_comp_response(map(inData2, 0, 127, ENC_COMP_RESPONSE_MIN, ENC_COMP_RESPONSE_MAX));
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break;
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case MIDI_CC_COMP_LIMIT:
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set_comp_limit(map(inData2, 0, 127, ENC_COMP_LIMIT_MIN, ENC_COMP_LIMIT_MAX));
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break;
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case MIDI_CC_COMP_THRESHOLD:
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set_comp_threshold(map(inData2, 0, 127, ENC_COMP_THRESHOLD_MIN, ENC_COMP_THRESHOLD_MAX));
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break;
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case MIDI_CC_COMP_ATTACK:
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set_comp_attack(map(inData2, 0, 127, ENC_COMP_ATTACK_MIN, ENC_COMP_ATTACK_MAX));
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break;
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case MIDI_CC_COMP_DECAY:
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set_comp_decay(map(inData2, 0, 127, ENC_COMP_DECAY_MIN, ENC_COMP_DECAY_MAX));
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break;
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case MIDI_CC_REVERB_ROOMSIZE:
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set_reverb_roomsize(map(inData2, 0, 127, ENC_REVERB_ROOMSIZE_MIN, ENC_REVERB_ROOMSIZE_MAX));
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break;
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case MIDI_CC_REVERB_DAMPING:
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set_reverb_damping(map(inData2, 0, 127, ENC_REVERB_DAMPING_MIN, ENC_REVERB_DAMPING_MAX));
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break;
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case MIDI_CC_CHORUS_FREQUENCY:
|
|
set_chorus_frequency(map(inData2, 0, 127, ENC_CHORUS_FREQUENCY_MIN, ENC_CHORUS_FREQUENCY_MAX));
|
|
break;
|
|
case MIDI_CC_CHORUS_INTENSITY:
|
|
set_chorus_intensity(map(inData2, 0, 127, ENC_CHORUS_INTENSITY_MIN, ENC_CHORUS_INTENSITY_MAX));
|
|
break;
|
|
case MIDI_CC_CHORUS_WAVEFORM:
|
|
set_chorus_waveform(map(inData2, 0, 127, ENC_CHORUS_WAVEFORM_MIN, ENC_CHORUS_WAVEFORM_MAX));
|
|
break;
|
|
case MIDI_CC_BASS_LR_LEVEL:
|
|
set_bass_lr_level(map(inData2, 0, 127, ENC_BASS_LR_LEVEL_MIN, ENC_BASS_LR_LEVEL_MAX));
|
|
break;
|
|
case MIDI_CC_BASS_MONO_LEVEL:
|
|
set_bass_mono_level(map(inData2, 0, 127, ENC_BASS_MONO_LEVEL_MIN, ENC_BASS_MONO_LEVEL_MAX));
|
|
break;
|
|
case MIDI_CC_EQ_BASS:
|
|
set_eq_bass(map(inData2, 0, 127, ENC_EQ_BASS_MIN, ENC_EQ_BASS_MAX));
|
|
break;
|
|
case MIDI_CC_EQ_TREBLE:
|
|
set_eq_treble(map(inData2, 0, 127, ENC_EQ_TREBLE_MIN, ENC_EQ_TREBLE_MAX));
|
|
break;
|
|
case MIDI_CC_MIDI_SOFT_THRU:
|
|
set_midi_soft_thru(map(inData2, 0, 127, ENC_MIDI_SOFT_THRU_MIN, ENC_MIDI_SOFT_THRU_MAX));
|
|
break;
|
|
case MIDI_CC_MONO:
|
|
set_mono(map(inData2, 0, 127, ENC_MONO_MIN, ENC_MONO_MAX));
|
|
break;
|
|
default:
|
|
ep.processMidiController(inData1, inData2);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
void handleAfterTouch(byte inChannel, byte inPressure)
|
|
{
|
|
;
|
|
}
|
|
|
|
void handlePitchBend(byte inChannel, int inPitch)
|
|
{
|
|
;
|
|
}
|
|
|
|
void handleProgramChange(byte inChannel, byte inProgram)
|
|
{
|
|
if (checkMidiChannel(inChannel))
|
|
{
|
|
sound = inProgram;
|
|
load_sound();
|
|
if (menu_system.get_currentScreen() == &load_sound_screen)
|
|
menu_system.update();
|
|
}
|
|
}
|
|
|
|
void handleSystemExclusive(byte * data, uint len)
|
|
{
|
|
;
|
|
}
|
|
|
|
void handleSystemExclusiveChunk(const byte * data, uint16_t len, bool last)
|
|
{
|
|
;
|
|
}
|
|
|
|
void handleTimeCodeQuarterFrame(byte data)
|
|
{
|
|
;
|
|
}
|
|
|
|
void handleAfterTouchPoly(byte inChannel, byte inNumber, byte inVelocity)
|
|
{
|
|
;
|
|
}
|
|
|
|
void handleSongSelect(byte inSong)
|
|
{
|
|
;
|
|
}
|
|
|
|
void handleTuneRequest(void)
|
|
{
|
|
;
|
|
}
|
|
|
|
void handleClock(void)
|
|
{
|
|
;
|
|
}
|
|
|
|
void handleStart(void)
|
|
{
|
|
;
|
|
}
|
|
|
|
void handleContinue(void)
|
|
{
|
|
;
|
|
}
|
|
|
|
void handleStop(void)
|
|
{
|
|
;
|
|
}
|
|
|
|
void handleActiveSensing(void)
|
|
{
|
|
;
|
|
}
|
|
|
|
void handleSystemReset(void)
|
|
{
|
|
;
|
|
}
|
|
|
|
void handleRealTimeSystem(void)
|
|
{
|
|
;
|
|
}
|
|
|
|
bool checkMidiChannel(byte inChannel)
|
|
{
|
|
// check for MIDI channel
|
|
if (configuration.midi_channel == MIDI_CHANNEL_OMNI)
|
|
{
|
|
return (true);
|
|
}
|
|
else if (inChannel != configuration.midi_channel)
|
|
{
|
|
#ifdef SHOW_DEBUG
|
|
Serial.print(F("Ignoring MIDI data on channel "));
|
|
Serial.print(inChannel);
|
|
Serial.print(F("(listening on "));
|
|
Serial.print(configuration.midi_channel);
|
|
Serial.println(F(")"));
|
|
#endif
|
|
return (false);
|
|
}
|
|
return (true);
|
|
}
|
|
|
|
void set_master_volume(uint8_t value)
|
|
{
|
|
//configuration.pan = 0; // BAD HACK!
|
|
uint16_t tmp = map(value, ENC_MASTER_VOLUME_MIN, ENC_MASTER_VOLUME_MAX, 0, 0x3ff);
|
|
float tmp2 = mapfloat(configuration.pan, ENC_MASTER_PAN_MIN, ENC_MASTER_PAN_MAX, 0.0, 1.0);
|
|
float tmp3 = (float)(tmp * (tmp + 2)) / (float)(1 << 20);
|
|
#ifdef SHOW_DEBUG
|
|
Serial.print(F("Setting volume: VOL="));
|
|
Serial.print(value, DEC);
|
|
Serial.print(F("["));
|
|
Serial.print(tmp3, 3);
|
|
Serial.print(F("] PAN="));
|
|
Serial.print(configuration.pan, DEC);
|
|
Serial.print(F("["));
|
|
Serial.print(tmp2, 3);
|
|
Serial.print(F("] "));
|
|
Serial.print(tmp3 * sinf(tmp2 * PI / 2), 3);
|
|
Serial.print(F("/"));
|
|
Serial.println(tmp3 * cosf(tmp2 * PI / 2), 3);
|
|
#endif
|
|
|
|
// float v = (float)(a * (a + 2))/(float)(1 << 20); // (pseudo-) logarithmic curve for volume control
|
|
// http://files.csound-tutorial.net/floss_manual/Release03/Cs_FM_03_ScrapBook/b-panning-and-spatialization.html
|
|
volume_r.gain(tmp3 * sinf(tmp2 * PI / 2));
|
|
volume_l.gain(tmp3 * cosf(tmp2 * PI / 2));
|
|
if (configuration.mono == 2)
|
|
volume_l.gain(0.0);
|
|
else if (configuration.mono == 3)
|
|
volume_r.gain(0.0);
|
|
|
|
eeprom_master_volume_update_flag = true;
|
|
eeprom_master_volume_update_timer = 0;
|
|
|
|
if (menu_system.get_currentScreen() == &master_volume_screen)
|
|
menu_system.update();
|
|
}
|
|
|
|
/******************************************************************************
|
|
EEPROM HELPER
|
|
******************************************************************************/
|
|
|
|
void config_from_eeprom(void)
|
|
{
|
|
uint32_t checksum;
|
|
config_t tmp_conf;
|
|
|
|
EEPROM_readAnything(EEPROM_CONFIGURATIONS + sizeof(config_t) * (sound - 1), tmp_conf);
|
|
checksum = crc32((byte*)&tmp_conf + 4, sizeof(tmp_conf) - 4);
|
|
|
|
#ifdef SHOW_DEBUG
|
|
Serial.print(F("Reading sound "));
|
|
Serial.print(sound, DEC);
|
|
Serial.print(F(" from 0x"));
|
|
Serial.print(EEPROM_CONFIGURATIONS + sizeof(config_t) * (sound - 1), HEX);
|
|
Serial.print(F(" EEPROM checksum: 0x"));
|
|
Serial.print(tmp_conf.checksum, HEX);
|
|
Serial.print(F(" / 0x"));
|
|
Serial.print(checksum, HEX);
|
|
#endif
|
|
|
|
if (checksum == tmp_conf.checksum)
|
|
{
|
|
EEPROM_readAnything(EEPROM_CONFIGURATIONS + sizeof(config_t) * (sound - 1), configuration);
|
|
#ifdef SHOW_DEBUG
|
|
Serial.println(F(" - OK"));
|
|
#endif
|
|
}
|
|
else
|
|
{
|
|
#ifdef SHOW_DEBUG
|
|
Serial.println(F(" - mismatch -> loading initial configuration."));
|
|
#endif
|
|
EEPROM.update(EEPROM_SOUND, sound);
|
|
}
|
|
set_complete_configuration();
|
|
|
|
#ifdef SHOW_DEBUG
|
|
show_sound();
|
|
#endif
|
|
}
|
|
|
|
void initial_values_from_eeprom(void)
|
|
{
|
|
master_volume = EEPROM.read(EEPROM_MASTER_VOLUME);
|
|
sound = EEPROM.read(EEPROM_SOUND);
|
|
load_sound();
|
|
}
|
|
|
|
void eeprom_config_write(uint8_t value)
|
|
{
|
|
eeprom_config_update_flag = value;
|
|
}
|
|
|
|
void eeprom_config_update(void)
|
|
{
|
|
configuration.checksum = crc32((byte*)&configuration + 4, sizeof(configuration) - 4);
|
|
Serial.print(F("Updating EEPROM configuration for sound "));
|
|
Serial.print(eeprom_config_update_flag, DEC);
|
|
Serial.print(F(" with checksum 0x"));
|
|
Serial.print(configuration.checksum, HEX);
|
|
Serial.print(F(" at 0x"));
|
|
Serial.println(EEPROM_CONFIGURATIONS + sizeof(config_t) * (eeprom_config_update_flag - 1), HEX);
|
|
EEPROM_writeAnything(EEPROM_CONFIGURATIONS + sizeof(config_t) * (eeprom_config_update_flag - 1), configuration);
|
|
eeprom_config_update_flag = 0;
|
|
EEPROM.update(EEPROM_SOUND, sound);
|
|
}
|
|
|
|
void eeprom_master_volume_write(void)
|
|
{
|
|
eeprom_master_volume_update_flag = true;
|
|
}
|
|
|
|
void eeprom_master_volume_update(void)
|
|
{
|
|
eeprom_master_volume_update_flag = false;
|
|
EEPROM.update(EEPROM_MASTER_VOLUME, master_volume);
|
|
Serial.println(F("Updating EEPROM with master_volume"));
|
|
}
|
|
|
|
uint32_t crc32(byte * calc_start, uint16_t calc_bytes) // base code from https://www.arduino.cc/en/Tutorial/EEPROMCrc
|
|
{
|
|
const uint32_t crc_table[16] =
|
|
{
|
|
0x00000000, 0x1db71064, 0x3b6e20c8, 0x26d930ac,
|
|
0x76dc4190, 0x6b6b51f4, 0x4db26158, 0x5005713c,
|
|
0xedb88320, 0xf00f9344, 0xd6d6a3e8, 0xcb61b38c,
|
|
0x9b64c2b0, 0x86d3d2d4, 0xa00ae278, 0xbdbdf21c
|
|
};
|
|
uint32_t crc = ~0L;
|
|
|
|
for (byte* index = calc_start ; index < (calc_start + calc_bytes) ; ++index)
|
|
{
|
|
crc = crc_table[(crc ^ *index) & 0x0f] ^ (crc >> 4);
|
|
crc = crc_table[(crc ^ (*index >> 4)) & 0x0f] ^ (crc >> 4);
|
|
crc = ~crc;
|
|
}
|
|
|
|
return (crc);
|
|
}
|
|
|
|
//*************************************************************************************************
|
|
//* DEBUG FUNCTIONS
|
|
//*************************************************************************************************
|
|
|
|
#if defined (SHOW_DEBUG) && defined (SHOW_CPU_LOAD_MSEC)
|
|
void show_cpu_and_mem_usage(void)
|
|
{
|
|
Serial.print(F("CPU: "));
|
|
Serial.print(AudioProcessorUsage(), DEC);
|
|
Serial.print(F(" CPU MAX: "));
|
|
Serial.print(AudioProcessorUsageMax(), DEC);
|
|
Serial.print(F(" MEM: "));
|
|
Serial.print(AudioMemoryUsage(), DEC);
|
|
Serial.print(F(" MEM MAX: "));
|
|
Serial.print(AudioMemoryUsageMax(), DEC);
|
|
Serial.print(F(" RENDER_TIME_MAX: "));
|
|
Serial.print(render_time_max, DEC);
|
|
Serial.print(F(" XRUN: "));
|
|
Serial.print(xrun, DEC);
|
|
Serial.print(F(" OVERLOAD: "));
|
|
Serial.print(overload, DEC);
|
|
Serial.print(F(" PEAK: "));
|
|
Serial.print(peak, DEC);
|
|
Serial.print(F(" ACTIVE_VOICES: "));
|
|
Serial.print(ep.getActiveVoices(), DEC);
|
|
Serial.println();
|
|
AudioProcessorUsageMaxReset();
|
|
AudioMemoryUsageMaxReset();
|
|
render_time_max = 0;
|
|
}
|
|
|
|
void show_sound(void)
|
|
{
|
|
Serial.println(F("======SHOW=SOUND=CONFIGURATION======"));
|
|
Serial.print(F("Master Volume: "));
|
|
Serial.println(master_volume, DEC);
|
|
Serial.print(F("Sound: "));
|
|
Serial.println(sound, DEC);
|
|
Serial.print(F("Checksum: 0x"));
|
|
Serial.println(configuration.checksum, HEX);
|
|
Serial.print(F("Decay: "));
|
|
Serial.println(configuration.decay, DEC);
|
|
Serial.print(F("Release: "));
|
|
Serial.println(configuration.release, DEC);
|
|
Serial.print(F("Hardness: "));
|
|
Serial.println(configuration.hardness, DEC);
|
|
Serial.print(F("Treble: "));
|
|
Serial.println(configuration.treble, DEC);
|
|
Serial.print(F("Stereo: "));
|
|
Serial.println(configuration.stereo, DEC);
|
|
Serial.print(F("Transpose: "));
|
|
Serial.println(configuration.transpose, DEC);
|
|
Serial.print(F("Tune: "));
|
|
Serial.println(configuration.tune, DEC);
|
|
Serial.print(F("Detune: "));
|
|
Serial.println(configuration.detune, DEC);
|
|
Serial.print(F("Velocity Sense: "));
|
|
Serial.println(configuration.velocity_sense, DEC);
|
|
Serial.print(F("Pan Tremolo Frequency: "));
|
|
Serial.println(configuration.pan_trem_frequency, DEC);
|
|
Serial.print(F("Pan Tremolo Level: "));
|
|
Serial.println(configuration.pan_trem_level, DEC);
|
|
Serial.print(F("Ovedrive: "));
|
|
Serial.println(configuration.overdrive, DEC);
|
|
Serial.print(F("Compressor Gain: "));
|
|
Serial.println(configuration.comp_gain, DEC);
|
|
Serial.print(F("Compressor Respone: "));
|
|
Serial.println(configuration.comp_response, DEC);
|
|
Serial.print(F("Compressor Limit: "));
|
|
Serial.println(configuration.comp_limit, DEC);
|
|
Serial.print(F("Compressor Threshold: "));
|
|
Serial.println(configuration.comp_threshold, DEC);
|
|
Serial.print(F("Compressor Attack: "));
|
|
Serial.println(configuration.comp_attack, DEC);
|
|
Serial.print(F("Compressor Decay: "));
|
|
Serial.println(configuration.comp_decay, 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 Intensity: "));
|
|
Serial.println(configuration.chorus_intensity, DEC);
|
|
Serial.print(F("Chorus Waveform: "));
|
|
Serial.println(configuration.chorus_waveform, DEC);
|
|
Serial.print(F("Chorus Level: "));
|
|
Serial.println(configuration.chorus_level, DEC);
|
|
Serial.print(F("Bass L/R Level: "));
|
|
Serial.println(configuration.bass_lr_level, DEC);
|
|
Serial.print(F("Bass Mono Level: "));
|
|
Serial.println(configuration.bass_mono_level, DEC);
|
|
Serial.print(F("EQ Bass: "));
|
|
Serial.println(configuration.eq_bass, DEC);
|
|
Serial.print(F("EQ Treble: "));
|
|
Serial.println(configuration.eq_treble, DEC);
|
|
Serial.print(F("Loudness: "));
|
|
Serial.println(configuration.loudness, DEC);
|
|
Serial.print(F("MIDI Channel: "));
|
|
Serial.println(configuration.midi_channel, DEC);
|
|
Serial.print(F("MIDI Soft-Thru: "));
|
|
Serial.println(configuration.midi_soft_thru, DEC);
|
|
Serial.print(F("Maximum Polyphony: "));
|
|
Serial.println(configuration.max_poly, DEC);
|
|
Serial.print(F("Audio-Mono: "));
|
|
Serial.println(configuration.mono, DEC);
|
|
Serial.print(F("Panorama: "));
|
|
Serial.println(configuration.pan, DEC);
|
|
Serial.println(F("======END=OF=SOUND=CONFIGURATION======="));
|
|
}
|
|
#endif
|
|
|