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339 lines
12 KiB
339 lines
12 KiB
/*
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MicroDexed
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MicroDexed is a port of the Dexed sound engine
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(https://github.com/asb2m10/dexed) for the Teensy-3.5/3.6 with audio shield
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(c)2018 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 <SD.h>
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#include <MIDI.h>
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#include "dexed.h"
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#include "dexed_sysex.h"
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#include "config.h"
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// GUItool: begin automatically generated code
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AudioPlayQueue queue1; //xy=84,294
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AudioOutputI2S i2s1; //xy=961,276
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AudioConnection patchCord2(queue1, 0, i2s1, 0);
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AudioConnection patchCord3(queue1, 0, i2s1, 1);
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AudioControlSGTL5000 sgtl5000_1; //xy=507,403
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// GUItool: end automatically generated code
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MIDI_CREATE_INSTANCE(HardwareSerial, Serial1, MIDI);
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Dexed* dexed = new Dexed(SAMPLE_RATE);
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IntervalTimer sched;
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bool sd_card_available = false;
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#ifdef TEST_MIDI
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IntervalTimer sched_note_on;
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IntervalTimer sched_note_off;
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uint8_t _voice_counter=0;
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#endif
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void setup()
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{
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//while (!Serial) ; // wait for Arduino Serial Monitor
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Serial.begin(SERIAL_SPEED);
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delay(50);
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Serial.println(F("MicroDexed based on https://github.com/asb2m10/dexed"));
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Serial.println(F("(c)2018 H. Wirtz"));
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Serial.println(F("setup start"));
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SPI.setMOSI(SDCARD_MOSI_PIN);
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SPI.setSCK(SDCARD_SCK_PIN);
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if (!SD.begin(SDCARD_CS_PIN))
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{
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Serial.println(F("SD card not accessable"));
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}
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else
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{
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sd_card_available = true;
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}
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MIDI.begin(MIDI_CHANNEL_OMNI);
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// Audio connections require memory to work. For more
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// detailed information, see the MemoryAndCpuUsage example
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AudioMemory(AUDIO_MEM);
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sgtl5000_1.enable();
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sgtl5000_1.volume(VOLUME);
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// Initialize processor and memory measurements
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#ifdef SHOW_CPU_LOAD_MSEC
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AudioProcessorUsageMaxReset();
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AudioMemoryUsageMaxReset();
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#endif
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#ifdef DEBUG
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show_patch();
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#endif
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//dexed->activate();
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//dexed->setMaxNotes(MAX_NOTES);
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//dexed->setEngineType(DEXED_ENGINE);
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#ifdef SHOW_CPU_LOAD_MSEC
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sched.begin(cpu_and_mem_usage, SHOW_CPU_LOAD_MSEC * 1000);
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#endif
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Serial.print(F("AUDIO_BLOCK_SAMPLES="));
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Serial.println(AUDIO_BLOCK_SAMPLES);
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#ifdef TEST_MIDI
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Serial.println(F("MIDI test enabled"));
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sched_note_on.begin(note_on, 2000000);
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sched_note_off.begin(note_off, 6333333);
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#endif
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Serial.println(F("setup end"));
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cpu_and_mem_usage();
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#ifdef TEST_MIDI
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//dexed->data[139] = 99; // full pitch mod sense!
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//dexed->data[143] = 99; // full pitch mod depth!
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//dexed->data[158] = 7; // mod wheel assign all
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//dexed->data[160] = 7; // foot ctrl assign all
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//dexed->data[162] = 7; // breath ctrl assign all
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//dexed->data[164] = 7; // at ctrl assign all
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//queue_midi_event(0xb0, 1, 99); // test mod wheel
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//queue_midi_event(0xb0, 2, 99); // test breath ctrl
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//queue_midi_event(0xb0, 4, 99); // test food switch
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//queue_midi_event(0xd0, 4, 99); // test at
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//queue_midi_event(0xe0, 0xff, 0xff); // test pitch bend
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#endif
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}
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void loop()
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{
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int16_t* audio_buffer; // pointer to 128 * int16_t (=256 bytes!)
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bool break_for_calculation = false;
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while (42 == 42) // DON'T PANIC!
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{
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audio_buffer = queue1.getBuffer();
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if (audio_buffer == NULL)
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{
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Serial.println(F("audio_buffer allocation problems!"));
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}
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while (usbMIDI.read())
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{
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break_for_calculation = dexed->processMidiMessage(usbMIDI.getType(), usbMIDI.getData1(), usbMIDI.getData2());
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if (break_for_calculation == true)
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break;
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}
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if (!break_for_calculation)
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{
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while (MIDI.read())
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{
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break_for_calculation = dexed->processMidiMessage(MIDI.getType(), MIDI.getData1(), MIDI.getData2());
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if (break_for_calculation == true)
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break;
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}
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}
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if (!queue1.available())
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continue;
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#if defined(SHOW_DEXED_TIMING) || defined(SHOW_XRUN)
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elapsedMicros t1;
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#endif
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dexed->getSamples(AUDIO_BLOCK_SAMPLES, audio_buffer);
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#ifdef SHOW_XRUN
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uint32_t t2 = t1;
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if (t2 > 2900) // everything greater 2.9ms is a buffer underrun!
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Serial.println(F("xrun"));
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#endif
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#ifdef SHOW_DEXED_TIMING
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Serial.println(t1, DEC);
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#endif
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queue1.playBuffer();
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}
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}
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#ifdef TEST_MIDI
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void note_on(void)
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{
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randomSeed(analogRead(A0));
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queue_midi_event(0x90, TEST_NOTE, random(TEST_VEL_MIN, TEST_VEL_MAX));
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// 1
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queue_midi_event(0x90, TEST_NOTE + 5, random(TEST_VEL_MIN, TEST_VEL_MAX)); // 2
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queue_midi_event(0x90, TEST_NOTE + 8, random(TEST_VEL_MIN, TEST_VEL_MAX)); // 3
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queue_midi_event(0x90, TEST_NOTE + 12, random(TEST_VEL_MIN, TEST_VEL_MAX)); // 4
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queue_midi_event(0x90, TEST_NOTE + 17, random(TEST_VEL_MIN, TEST_VEL_MAX)); // 5
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queue_midi_event(0x90, TEST_NOTE + 20, random(TEST_VEL_MIN, TEST_VEL_MAX)); // 6
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queue_midi_event(0x90, TEST_NOTE + 24, random(TEST_VEL_MIN, TEST_VEL_MAX)); // 7
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queue_midi_event(0x90, TEST_NOTE + 29, random(TEST_VEL_MIN, TEST_VEL_MAX)); // 8
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queue_midi_event(0x90, TEST_NOTE + 32, random(TEST_VEL_MIN, TEST_VEL_MAX)); // 9
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queue_midi_event(0x90, TEST_NOTE + 37, random(TEST_VEL_MIN, TEST_VEL_MAX)); // 10
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queue_midi_event(0x90, TEST_NOTE + 40, random(TEST_VEL_MIN, TEST_VEL_MAX)); // 11
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queue_midi_event(0x90, TEST_NOTE + 44, random(TEST_VEL_MIN, TEST_VEL_MAX)); // 12
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queue_midi_event(0x90, TEST_NOTE + 49, random(TEST_VEL_MIN, TEST_VEL_MAX)); // 13
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queue_midi_event(0x90, TEST_NOTE + 52, random(TEST_VEL_MIN, TEST_VEL_MAX)); // 14
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queue_midi_event(0x90, TEST_NOTE + 57, random(TEST_VEL_MIN, TEST_VEL_MAX)); // 15
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queue_midi_event(0x90, TEST_NOTE + 60, random(TEST_VEL_MIN, TEST_VEL_MAX)); // 16
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}
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void note_off(void)
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{
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queue_midi_event(0x80, TEST_NOTE, 0); // 1
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queue_midi_event(0x80, TEST_NOTE + 5, 0); // 2
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queue_midi_event(0x80, TEST_NOTE + 8, 0); // 3
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queue_midi_event(0x80, TEST_NOTE + 12, 0); // 4
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queue_midi_event(0x80, TEST_NOTE + 17, 0); // 5
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queue_midi_event(0x80, TEST_NOTE + 20, 0); // 6
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queue_midi_event(0x80, TEST_NOTE + 24, 0); // 7
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queue_midi_event(0x80, TEST_NOTE + 29, 0); // 8
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queue_midi_event(0x80, TEST_NOTE + 32, 0); // 9
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queue_midi_event(0x80, TEST_NOTE + 37, 0); // 10
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queue_midi_event(0x80, TEST_NOTE + 40, 0); // 11
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queue_midi_event(0x80, TEST_NOTE + 44, 0); // 12
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queue_midi_event(0x80, TEST_NOTE + 49, 0); // 13
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queue_midi_event(0x80, TEST_NOTE + 52, 0); // 14
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queue_midi_event(0x80, TEST_NOTE + 57, 0); // 15
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queue_midi_event(0x80, TEST_NOTE + 60, 0); // 16
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load_sysex("ROM1A.SYX", ++_voice_counter%32);
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}
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#endif
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bool queue_midi_event(uint8_t type, uint8_t data1, uint8_t data2)
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{
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return (dexed->processMidiMessage(type, data1, data2));
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}
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#ifdef SHOW_CPU_LOAD_MSEC
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void cpu_and_mem_usage(void)
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{
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Serial.print(F("CPU:"));
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Serial.print(AudioProcessorUsage(), DEC);
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Serial.print(F(" CPU MAX:"));
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Serial.print(AudioProcessorUsageMax(), DEC);
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Serial.print(F(" MEM:"));
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Serial.print(AudioMemoryUsage(), DEC);
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Serial.print(F(" MEM MAX:"));
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Serial.print(AudioMemoryUsageMax(), DEC);
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Serial.println();
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AudioProcessorUsageMaxReset();
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AudioMemoryUsageMaxReset();
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}
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#endif
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#ifdef DEBUG
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void show_patch(void)
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{
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uint8_t i;
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char voicename[11];
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memset(voicename, 0, sizeof(voicename));
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for (i = 0; i < 6; i++)
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{
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Serial.print(F("OP"));
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Serial.print(6 - i, DEC);
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Serial.println(F(":"));
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Serial.println(F("R1|R2|R3|R4|L1|L2|L3|L4 LEV_SCL_BRK_PT|SCL_LEFT_DEPTH|SCL_RGHT_DEPTH"));
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Serial.print(dexed->data[(i * 21) + DEXED_OP_EG_R1], DEC);
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Serial.print(F(" "));
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Serial.print(dexed->data[(i * 21) + DEXED_OP_EG_R2], DEC);
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Serial.print(F(" "));
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Serial.print(dexed->data[(i * 21) + DEXED_OP_EG_R3], DEC);
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Serial.print(F(" "));
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Serial.print(dexed->data[(i * 21) + DEXED_OP_EG_R4], DEC);
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Serial.print(F(" "));
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Serial.print(dexed->data[(i * 21) + DEXED_OP_EG_L1], DEC);
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Serial.print(F(" "));
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Serial.print(dexed->data[(i * 21) + DEXED_OP_EG_L2], DEC);
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Serial.print(F(" "));
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Serial.print(dexed->data[(i * 21) + DEXED_OP_EG_L3], DEC);
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Serial.print(F(" "));
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Serial.print(dexed->data[(i * 21) + DEXED_OP_EG_L4], DEC);
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Serial.print(F(" "));
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Serial.print(dexed->data[(i * 21) + DEXED_OP_LEV_SCL_BRK_PT], DEC);
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Serial.print(F(" "));
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Serial.print(dexed->data[(i * 21) + DEXED_OP_SCL_LEFT_DEPTH], DEC);
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Serial.print(F(" "));
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Serial.println(dexed->data[(i * 21) + DEXED_OP_SCL_RGHT_DEPTH], DEC);
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Serial.println(F("SCL_L_CURVE|SCL_R_CURVE|RT_SCALE| AMS | KVS |OUT_LEV|OP_MOD|FRQ_C|FRQ_F|DETUNE"));
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Serial.print(F(" "));
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Serial.print(dexed->data[(i * 21) + DEXED_OP_SCL_LEFT_CURVE], DEC);
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Serial.print(F(" "));
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Serial.print(dexed->data[(i * 21) + DEXED_OP_SCL_RGHT_CURVE], DEC);
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Serial.print(F(" "));
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Serial.print(dexed->data[(i * 21) + DEXED_OP_OSC_RATE_SCALE], DEC);
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Serial.print(F(" "));
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Serial.print(dexed->data[(i * 21) + DEXED_OP_AMP_MOD_SENS], DEC);
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Serial.print(F(" "));
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Serial.print(dexed->data[(i * 21) + DEXED_OP_KEY_VEL_SENS], DEC);
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Serial.print(F(" "));
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Serial.print(dexed->data[(i * 21) + DEXED_OP_OUTPUT_LEV], DEC);
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Serial.print(F(" "));
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Serial.print(dexed->data[(i * 21) + DEXED_OP_OSC_MODE], DEC);
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Serial.print(F(" "));
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Serial.print(dexed->data[(i * 21) + DEXED_OP_FREQ_COARSE], DEC);
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Serial.print(F(" "));
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Serial.print(dexed->data[(i * 21) + DEXED_OP_FREQ_FINE], DEC);
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Serial.print(F(" "));
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Serial.println(dexed->data[(i * 21) + DEXED_OP_OSC_DETUNE], DEC);
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}
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Serial.println(F("PR1|PR2|PR3|PR4|PL1|PL2|PL3|PL4"));
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Serial.print(F(" "));
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for (i = 0; i < 8; i++)
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{
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Serial.print(dexed->data[DEXED_VOICE_OFFSET + i], DEC);
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Serial.print(F(" "));
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}
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Serial.println();
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Serial.print(F("ALG: "));
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Serial.println(dexed->data[DEXED_VOICE_OFFSET + DEXED_ALGORITHM], DEC);
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Serial.print(F("FB: "));
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Serial.println(dexed->data[DEXED_VOICE_OFFSET + DEXED_FEEDBACK], DEC);
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Serial.print(F("OKS: "));
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Serial.println(dexed->data[DEXED_VOICE_OFFSET + DEXED_OSC_KEY_SYNC], DEC);
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Serial.print(F("LFO SPD: "));
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Serial.println(dexed->data[DEXED_VOICE_OFFSET + DEXED_LFO_SPEED], DEC);
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Serial.print(F("LFO_DLY: "));
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Serial.println(dexed->data[DEXED_VOICE_OFFSET + DEXED_LFO_DELAY], DEC);
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Serial.print(F("LFO PMD: "));
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Serial.println(dexed->data[DEXED_VOICE_OFFSET + DEXED_LFO_PITCH_MOD_DEP], DEC);
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Serial.print(F("LFO_AMD: "));
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Serial.println(dexed->data[DEXED_VOICE_OFFSET + DEXED_LFO_AMP_MOD_DEP], DEC);
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Serial.print(F("LFO_SYNC: "));
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Serial.println(dexed->data[DEXED_VOICE_OFFSET + DEXED_LFO_SYNC], DEC);
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Serial.print(F("LFO_WAVEFRM: "));
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Serial.println(dexed->data[DEXED_VOICE_OFFSET + DEXED_LFO_WAVE], DEC);
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Serial.print(F("LFO_PMS: "));
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Serial.println(dexed->data[DEXED_VOICE_OFFSET + DEXED_LFO_PITCH_MOD_SENS], DEC);
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Serial.print(F("TRNSPSE: "));
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Serial.println(dexed->data[DEXED_VOICE_OFFSET + DEXED_TRANSPOSE], DEC);
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Serial.print(F("NAME: "));
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strncpy(voicename, (char *)&dexed->data[DEXED_VOICE_OFFSET + DEXED_NAME], sizeof(voicename) - 1);
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Serial.print(F("["));
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Serial.print(voicename);
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Serial.println(F("]"));
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for (i = DEXED_GLOBAL_PARAMETER_OFFSET; i <= DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_MAX_NOTES; i++)
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{
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Serial.print(i, DEC);
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Serial.print(F(": "));
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Serial.println(dexed->data[i]);
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}
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Serial.println();
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}
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#endif
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