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989 lines
22 KiB
989 lines
22 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-3.5/3.6/4.x with audio shield.
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Dexed ist heavily based on https://github.com/google/music-synthesizer-for-android
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(c)2018-2021 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 <Arduino.h>
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#include "config.h"
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#include <Wire.h>
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#include <SD.h>
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#include "dexed.h"
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#include "dexed_sd.h"
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extern void init_MIDI_send_CC(void);
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/******************************************************************************
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SD BANK/VOICE LOADING
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******************************************************************************/
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bool load_sd_voice(uint8_t b, uint8_t v, uint8_t instance_id)
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{
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v = constrain(v, 0, MAX_VOICES - 1);
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b = constrain(b, 0, MAX_BANKS - 1);
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if (sd_card > 0)
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{
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File sysex;
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char filename[FILENAME_LEN];
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char bank_name[BANK_NAME_LEN];
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uint8_t data[128];
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get_bank_name(b, bank_name, sizeof(bank_name));
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sprintf(filename, "/%d/%s.syx", b, bank_name);
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sysex = SD.open(filename);
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if (!sysex)
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{
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#ifdef DEBUG
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Serial.print(F("E : Cannot open "));
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Serial.print(filename);
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Serial.println(F(" on SD."));
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#endif
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return (false);
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}
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if (get_sd_voice(sysex, v, data))
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{
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#ifdef DEBUG
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char voice_name[VOICE_NAME_LEN];
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get_voice_name(b, v, voice_name, sizeof(voice_name));
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Serial.print(F("Loading voice from "));
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Serial.print(filename);
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Serial.print(F(" ["));
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Serial.print(voice_name);
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Serial.println(F("]"));
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#endif
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bool ret = MicroDexed[instance_id]->decodeVoice(data, MicroDexed[instance_id]->data);
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#ifdef DEBUG
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show_patch(instance_id);
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#endif
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configuration.dexed[instance_id].transpose = MicroDexed[instance_id]->data[DEXED_VOICE_OFFSET + DEXED_TRANSPOSE];
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sysex.close();
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uint8_t data_copy[155];
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MicroDexed[instance_id]->getVoiceData(data_copy);
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send_sysex_voice(configuration.dexed[instance_id].midi_channel, data_copy);
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init_MIDI_send_CC();
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return (ret);
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}
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#ifdef DEBUG
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else
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Serial.println(F("E : Cannot load voice data"));
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#endif
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sysex.close();
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}
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return (false);
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}
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bool save_sd_voice(uint8_t b, uint8_t v, uint8_t instance_id)
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{
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v = constrain(v, 0, MAX_VOICES - 1);
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b = constrain(b, 0, MAX_BANKS - 1);
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if (sd_card > 0)
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{
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File sysex;
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char filename[FILENAME_LEN];
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char bank_name[BANK_NAME_LEN];
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uint8_t data[128];
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get_bank_name(b, bank_name, sizeof(bank_name));
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sprintf(filename, "/%d/%s.syx", b, bank_name);
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sysex = SD.open(filename, FILE_WRITE);
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if (!sysex)
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{
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#ifdef DEBUG
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Serial.print(F("E : Cannot open "));
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Serial.print(filename);
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Serial.println(F(" on SD."));
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#endif
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return (false);
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}
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MicroDexed[instance_id]->encodeVoice(data);
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if (put_sd_voice(sysex, v, data))
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{
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#ifdef DEBUG
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char voice_name[VOICE_NAME_LEN];
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strncpy(voice_name, (char*)&MicroDexed[instance_id]->data[145], sizeof(voice_name));
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Serial.print(F("Saving voice to "));
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Serial.print(filename);
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Serial.print(F(" ["));
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Serial.print(voice_name);
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Serial.println(F("]"));
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#endif
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sysex.close();
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return (true);
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}
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#ifdef DEBUG
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else
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Serial.println(F("E : Cannot load voice data"));
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#endif
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sysex.close();
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}
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return (false);
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}
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bool get_sd_voice(File sysex, uint8_t voice_number, uint8_t* data)
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{
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uint16_t n;
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int32_t bulk_checksum_calc = 0;
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int8_t bulk_checksum;
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if (sysex.size() != 4104) // check sysex size
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{
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#ifdef DEBUG
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Serial.println(F("E : SysEx file size wrong."));
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#endif
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return (false);
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}
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if (sysex.read() != 0xf0) // check sysex start-byte
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{
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#ifdef DEBUG
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Serial.println(F("E : SysEx start byte not found."));
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#endif
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return (false);
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}
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if (sysex.read() != 0x43) // check sysex vendor is Yamaha
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{
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#ifdef DEBUG
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Serial.println(F("E : SysEx vendor not Yamaha."));
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#endif
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return (false);
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}
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sysex.seek(4103);
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if (sysex.read() != 0xf7) // check sysex end-byte
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{
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#ifdef DEBUG
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Serial.println(F("E : SysEx end byte not found."));
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#endif
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return (false);
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}
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sysex.seek(3);
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if (sysex.read() != 0x09) // check for sysex type (0x09=32 voices)
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{
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#ifdef DEBUG
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Serial.println(F("E : SysEx type not 32 voices."));
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#endif
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return (false);
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}
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sysex.seek(4102); // Bulk checksum
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bulk_checksum = sysex.read();
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sysex.seek(6); // start of bulk data
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for (n = 0; n < 4096; n++)
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{
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uint8_t d = sysex.read();
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if (n >= voice_number * 128 && n < (voice_number + 1) * 128)
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data[n - (voice_number * 128)] = d;
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bulk_checksum_calc -= d;
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}
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bulk_checksum_calc &= 0x7f;
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#ifdef DEBUG
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Serial.print(F("Bulk checksum : 0x"));
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Serial.print(bulk_checksum_calc, HEX);
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Serial.print(F(" [0x"));
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Serial.print(bulk_checksum, HEX);
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Serial.println(F("]"));
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#endif
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if (bulk_checksum_calc != bulk_checksum)
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{
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#ifdef DEBUG
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Serial.print(F("E : Bulk checksum mismatch : 0x"));
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Serial.print(bulk_checksum_calc, HEX);
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Serial.print(F(" != 0x"));
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Serial.println(bulk_checksum, HEX);
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#endif
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return (false);
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}
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MicroDexed[0]->render_time_max = 0;
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return (true);
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}
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bool put_sd_voice(File sysex, uint8_t voice_number, uint8_t* data)
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{
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uint16_t n;
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int32_t bulk_checksum_calc = 0;
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sysex.seek(0);
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if (sysex.size() != 4104) // check sysex size
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{
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#ifdef DEBUG
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Serial.println(F("E : SysEx file size wrong."));
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#endif
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return (false);
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}
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if (sysex.read() != 0xf0) // check sysex start-byte
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{
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#ifdef DEBUG
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Serial.println(F("E : SysEx start byte not found."));
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#endif
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return (false);
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}
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if (sysex.read() != 0x43) // check sysex vendor is Yamaha
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{
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#ifdef DEBUG
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Serial.println(F("E : SysEx vendor not Yamaha."));
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#endif
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return (false);
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}
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sysex.seek(4103);
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if (sysex.read() != 0xf7) // check sysex end-byte
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{
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#ifdef DEBUG
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Serial.println(F("E : SysEx end byte not found."));
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#endif
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return (false);
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}
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sysex.seek(3);
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if (sysex.read() != 0x09) // check for sysex type (0x09=32 voices)
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{
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#ifdef DEBUG
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Serial.println(F("E : SysEx type not 32 voices."));
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#endif
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return (false);
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}
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sysex.seek(6 + (voice_number * 128));
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sysex.write(data, 128);
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// checksum calculation
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sysex.seek(6); // start of bulk data
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for (n = 0; n < 4096; n++)
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{
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uint8_t d = sysex.read();
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bulk_checksum_calc -= d;
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}
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sysex.seek(4102); // Bulk checksum
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sysex.write(bulk_checksum_calc & 0x7f);
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#ifdef DEBUG
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Serial.print(F("Bulk checksum : 0x"));
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Serial.println(bulk_checksum_calc & 0x7f, HEX);
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#endif
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return (true);
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}
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bool save_sd_bank(const char* bank_filename, uint8_t* data)
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{
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char tmp[FILENAME_LEN];
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char tmp2[FILENAME_LEN];
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int bank_number;
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File root, entry;
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if (sd_card > 0)
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{
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#ifdef DEBUG
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Serial.print(F("Trying so store "));
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Serial.print(bank_filename);
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Serial.println(F("."));
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#endif
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// first remove old bank
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sscanf(bank_filename, "/%d/%s", &bank_number, tmp);
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sprintf(tmp, "/%d", bank_number);
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root = SD.open(tmp);
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while (42 == 42)
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{
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entry = root.openNextFile();
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if (entry)
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{
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if (!entry.isDirectory())
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{
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#ifdef DEBUG
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Serial.print(F("Removing "));
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Serial.print(tmp);
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Serial.print(F("/"));
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Serial.println(entry.name());
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#endif
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sprintf(tmp2, "%s/%s", tmp, entry.name());
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entry.close();
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#ifndef DEBUG
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SD.remove(tmp2);
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#else
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bool r = SD.remove(tmp2);
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if (r == false)
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{
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Serial.print(F("E: cannot remove "));
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Serial.print(tmp2);
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Serial.println(F("."));
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}
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#endif
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break;
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}
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}
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else
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{
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break;
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}
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}
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root.close();
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// store new bank at /<b>/<bank_name>.syx
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#ifdef DEBUG
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Serial.print(F("Storing bank as "));
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Serial.print(bank_filename);
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Serial.print(F("..."));
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#endif
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root = SD.open(bank_filename, FILE_WRITE);
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root.write(data, 4104);
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root.close();
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#ifdef DEBUG
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Serial.println(F(" done."));
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#endif
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}
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else
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return (false);
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return (true);
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}
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/******************************************************************************
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SD VOICECONFIG
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******************************************************************************/
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bool load_sd_voiceconfig(int8_t vc, uint8_t instance_id)
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{
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if (vc < 0)
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return (false);
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vc = constrain(vc, 0, MAX_VOICECONFIG);
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if (sd_card > 0)
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{
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File sysex;
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char filename[FILENAME_LEN];
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sprintf(filename, "/%s/%s%d.syx", VOICE_CONFIG_PATH, VOICE_CONFIG_NAME, vc);
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// first check if file exists...
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if (SD.exists(filename))
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{
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// ... and if: load
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#ifdef DEBUG
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Serial.print(F("Found voice configuration ["));
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Serial.print(filename);
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Serial.println(F("]... loading..."));
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#endif
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sysex = SD.open(filename);
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if (sysex)
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{
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get_sd_data(sysex, 0x42, (uint8_t*)&configuration.dexed[instance_id]);
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set_voiceconfig_params(instance_id);
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sysex.close();
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return (true);
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}
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#ifdef DEBUG
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else
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{
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Serial.print(F("E : Cannot open "));
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Serial.print(filename);
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Serial.println(F(" on SD."));
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}
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#endif
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}
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else
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{
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#ifdef DEBUG
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Serial.print(F("No "));
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Serial.print(filename);
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Serial.println(F(" available."));
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#endif
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}
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}
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return (false);
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}
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bool save_sd_voiceconfig(uint8_t vc, uint8_t instance_id)
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{
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vc = constrain(vc, 0, MAX_VOICECONFIG);
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if (sd_card > 0)
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{
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File sysex;
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char filename[FILENAME_LEN];
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sprintf(filename, "/%s/%s%d.syx", VOICE_CONFIG_PATH, VOICE_CONFIG_NAME, vc);
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#ifdef DEBUG
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Serial.print(F("Saving voice config "));
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Serial.print(vc);
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Serial.print(F("["));
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Serial.print(instance_id);
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Serial.print(F("]"));
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Serial.print(F(" to "));
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Serial.println(filename);
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#endif
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sysex = SD.open(filename, FILE_WRITE);
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if (sysex)
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{
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if (write_sd_data(sysex, 0x42, (uint8_t*)&configuration.dexed[instance_id], sizeof(configuration.dexed[instance_id])))
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{
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sysex.close();
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return (true);
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}
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sysex.close();
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}
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else
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{
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#ifdef DEBUG
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Serial.print(F("E : Cannot open "));
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Serial.print(filename);
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Serial.println(F(" on SD."));
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#endif
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}
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}
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return (false);
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}
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/******************************************************************************
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SD FX
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******************************************************************************/
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bool load_sd_fx(int8_t fx)
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{
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if (fx < 0)
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return (false);
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fx = constrain(fx, 0, MAX_FX);
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if (sd_card > 0)
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{
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File sysex;
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char filename[FILENAME_LEN];
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sprintf(filename, "/%s/%s%d.syx", FX_CONFIG_PATH, FX_CONFIG_NAME, fx);
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// first check if file exists...
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if (SD.exists(filename))
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{
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// ... and if: load
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#ifdef DEBUG
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Serial.print(F("Found fx configuration ["));
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Serial.print(filename);
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Serial.println(F("]... loading..."));
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#endif
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sysex = SD.open(filename);
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if (sysex)
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{
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get_sd_data(sysex, 0x43, (uint8_t*)&configuration.fx);
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set_fx_params();
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sysex.close();
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return (true);
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}
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#ifdef DEBUG
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else
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{
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Serial.print(F("E : Cannot open "));
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Serial.print(filename);
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Serial.println(F(" on SD."));
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}
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#endif
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}
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else
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{
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#ifdef DEBUG
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Serial.print(F("No "));
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Serial.print(filename);
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Serial.println(F(" available."));
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#endif
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}
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}
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return (false);
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}
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bool save_sd_fx(uint8_t fx)
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{
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fx = constrain(fx, 0, MAX_FX);
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if (sd_card > 0)
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{
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File sysex;
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char filename[FILENAME_LEN];
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sprintf(filename, "/%s/%s%d.syx", FX_CONFIG_PATH, FX_CONFIG_NAME, fx);
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#ifdef DEBUG
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Serial.print(F("Saving fx config "));
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Serial.print(fx);
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Serial.print(F(" to "));
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Serial.println(filename);
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#endif
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sysex = SD.open(filename, FILE_WRITE);
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if (sysex)
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{
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if (write_sd_data(sysex, 0x43, (uint8_t*)&configuration.fx, sizeof(configuration.fx)))
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{
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sysex.close();
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return (true);
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}
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sysex.close();
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}
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else
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{
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#ifdef DEBUG
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Serial.print(F("E : Cannot open "));
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Serial.print(filename);
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Serial.println(F(" on SD."));
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#endif
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return (false);
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}
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}
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return (false);
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}
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/******************************************************************************
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SD PERFORMANCE
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******************************************************************************/
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bool load_sd_performance(int8_t p)
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{
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if (p < 0)
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return (false);
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p = constrain(p, 0, MAX_PERFORMANCE);
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if (sd_card > 0)
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{
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File sysex;
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char filename[FILENAME_LEN];
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sprintf(filename, "/%s/%s%d.syx", PERFORMANCE_CONFIG_PATH, PERFORMANCE_CONFIG_NAME, p);
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// first check if file exists...
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if (SD.exists(filename))
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{
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// ... and if: load
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#ifdef DEBUG
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Serial.print(F("Found performance configuration ["));
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Serial.print(filename);
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Serial.println(F("]... loading..."));
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#endif
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sysex = SD.open(filename);
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if (sysex)
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{
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get_sd_data(sysex, 0x44, (uint8_t*)&configuration.performance);
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sysex.close();
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for (uint8_t instance_id = 0; instance_id < NUM_DEXED; instance_id++)
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{
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load_sd_voice(configuration.performance.bank[instance_id], configuration.performance.voice[instance_id], instance_id);
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load_sd_voiceconfig(configuration.performance.voiceconfig_number[instance_id], instance_id);
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MicroDexed[instance_id]->controllers.refresh();
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MicroDexed[instance_id]->panic();
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}
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load_sd_fx(configuration.performance.fx_number);
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return (true);
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}
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#ifdef DEBUG
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else
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{
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Serial.print(F("E : Cannot open "));
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Serial.print(filename);
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Serial.println(F(" on SD."));
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}
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#endif
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}
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else
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{
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#ifdef DEBUG
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Serial.print(F("No "));
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Serial.print(filename);
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Serial.println(F(" available."));
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#endif
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}
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}
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return (false);
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}
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bool save_sd_performance(uint8_t p)
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{
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p = constrain(p, 0, MAX_PERFORMANCE);
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if (sd_card > 0)
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{
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File sysex;
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char filename[FILENAME_LEN];
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sprintf(filename, "/%s/%s%d.syx", PERFORMANCE_CONFIG_PATH, PERFORMANCE_CONFIG_NAME, p);
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#ifdef DEBUG
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Serial.print(F("Saving performance config "));
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Serial.print(p);
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Serial.print(F(" to "));
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Serial.println(filename);
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#endif
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sysex = SD.open(filename, FILE_WRITE);
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if (sysex)
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{
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if (write_sd_data(sysex, 0x44, (uint8_t*)&configuration.performance, sizeof(configuration.performance)))
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{
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sysex.close();
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return (true);
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}
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sysex.close();
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}
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else
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{
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#ifdef DEBUG
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Serial.print(F("E : Cannot open "));
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Serial.print(filename);
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Serial.println(F(" on SD."));
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#endif
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return (false);
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}
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}
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return (false);
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}
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/******************************************************************************
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HELPER FUNCTIONS
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******************************************************************************/
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bool get_sd_data(File sysex, uint8_t format, uint8_t* conf)
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{
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uint16_t n;
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int32_t bulk_checksum_calc = 0;
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int8_t bulk_checksum;
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#ifdef DEBUG
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Serial.print(F("Reading "));
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Serial.print(sysex.size());
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Serial.println(F(" bytes."));
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#endif
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if (sysex.read() != 0xf0) // check sysex start-byte
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{
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#ifdef DEBUG
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Serial.println(F("E : SysEx start byte not found."));
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#endif
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return (false);
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}
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if (sysex.read() != 0x67) // check sysex vendor is unofficial SYSEX-ID for MicroDexed
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{
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#ifdef DEBUG
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Serial.println(F("E : SysEx vendor not unofficial SYSEX-ID for MicroDexed."));
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#endif
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return (false);
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}
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if (sysex.read() != format) // check for sysex type
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{
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#ifdef DEBUG
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Serial.println(F("E : SysEx type not found."));
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#endif
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return (false);
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}
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sysex.seek(sysex.size() - 1);
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if (sysex.read() != 0xf7) // check sysex end-byte
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{
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#ifdef DEBUG
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Serial.println(F("E : SysEx end byte not found."));
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#endif
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return (false);
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}
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sysex.seek(sysex.size() - 2); // Bulk checksum
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bulk_checksum = sysex.read();
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sysex.seek(3); // start of bulk data
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for (n = 0; n < sysex.size() - 6; n++)
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{
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uint8_t d = sysex.read();
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bulk_checksum_calc -= d;
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#ifdef DEBUG
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Serial.print(F("SYSEX data read: 0x"));
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Serial.println(d, HEX);
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#endif
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}
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bulk_checksum_calc &= 0x7f;
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if (int8_t(bulk_checksum_calc) != bulk_checksum)
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{
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#ifdef DEBUG
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Serial.print(F("E : Bulk checksum mismatch : 0x"));
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Serial.print(int8_t(bulk_checksum_calc), HEX);
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Serial.print(F(" != 0x"));
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Serial.println(bulk_checksum, HEX);
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#endif
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return (false);
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}
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#ifdef DEBUG
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else
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{
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Serial.print(F("Bulk checksum : 0x"));
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Serial.print(int8_t(bulk_checksum_calc), HEX);
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Serial.print(F(" [0x"));
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Serial.print(bulk_checksum, HEX);
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Serial.println(F("]"));
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}
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#endif
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sysex.seek(3); // start of bulk data
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for (n = 0; n < sysex.size() - 6; n++)
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{
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uint8_t d = sysex.read();
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*(conf++) = d;
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}
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#ifdef DEBUG
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Serial.println(F("SD data loaded."));
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#endif
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return (true);
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}
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bool write_sd_data(File sysex, uint8_t format, uint8_t* data, uint16_t len)
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{
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#ifdef DEBUG
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Serial.print(F("Storing SYSEX format 0x"));
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Serial.print(format, HEX);
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Serial.print(F(" with length of "));
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Serial.print(len, DEC);
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Serial.println(F(" bytes."));
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#endif
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// write sysex start
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sysex.write(0xf0);
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#ifdef DEBUG
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Serial.println(F("Write SYSEX start: 0xf0"));
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#endif
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// write sysex vendor is unofficial SYSEX-ID for MicroDexed
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sysex.write(0x67);
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#ifdef DEBUG
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Serial.println(F("Write SYSEX vendor: 0x67"));
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#endif
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// write sysex format number
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sysex.write(format);
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#ifdef DEBUG
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Serial.print(F("Write SYSEX format: 0x"));
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Serial.println(format, HEX);
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#endif
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// write data
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sysex.write(data, len);
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#ifdef DEBUG
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for (uint16_t i = 0; i < len; i++)
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{
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Serial.print(F("Write SYSEX data: 0x"));
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Serial.println(data[i], HEX);
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}
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#endif
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// write checksum
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sysex.write(calc_checksum(data, len));
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#ifdef DEBUG
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uint8_t checksum = calc_checksum(data, len);
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sysex.write(checksum);
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Serial.print(F("Write SYSEX checksum: 0x"));
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Serial.println(checksum, HEX);
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#endif
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// write sysex end
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sysex.write(0xf7);
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#ifdef DEBUG
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Serial.println(F("Write SYSEX end: 0xf7"));
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#endif
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return (true);
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}
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uint8_t calc_checksum(uint8_t* data, uint16_t len)
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{
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int32_t bulk_checksum_calc = 0;
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for (uint16_t n = 0; n < len; n++)
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bulk_checksum_calc -= data[n];
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return (bulk_checksum_calc & 0x7f);
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}
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void strip_extension(char* s, char* target, uint8_t len)
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{
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char tmp[FILENAME_LEN];
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char* token;
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strcpy(tmp, s);
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token = strtok(tmp, ".");
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if (token == NULL)
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strcpy(target, "*ERROR*");
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else
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strcpy(target, token);
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target[len] = '\0';
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}
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bool get_bank_name(uint8_t b, char* name, uint8_t len)
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{
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File sysex;
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if (sd_card > 0)
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{
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char bankdir[4];
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File entry;
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memset(name, 0, len);
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sprintf(bankdir, "/%d", b);
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// try to open directory
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sysex = SD.open(bankdir);
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if (!sysex)
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return (false);
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do
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{
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entry = sysex.openNextFile();
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} while (entry.isDirectory());
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if (entry.isDirectory())
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{
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entry.close();
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sysex.close();
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return (false);
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}
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strip_extension(entry.name(), name, len);
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#ifdef DEBUG
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Serial.print(F("Found bank-name ["));
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Serial.print(name);
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Serial.print(F("] for bank ["));
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Serial.print(b);
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Serial.println(F("]"));
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#endif
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entry.close();
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sysex.close();
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return (true);
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}
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return (false);
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}
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bool get_voice_name(uint8_t b, uint8_t v, char* name, uint8_t len)
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{
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File sysex;
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if (sd_card > 0)
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{
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char bank_name[BANK_NAME_LEN];
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char filename[FILENAME_LEN];
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b = constrain(b, 0, MAX_BANKS - 1);
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v = constrain(v, 0, MAX_VOICES - 1);
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get_bank_name(b, bank_name, sizeof(bank_name));
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sprintf(filename, "/%d/%s.syx", b, bank_name);
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#ifdef DEBUG
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Serial.print(F("Reading voice-name from ["));
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Serial.print(filename);
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Serial.println(F("]"));
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#endif
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// try to open directory
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sysex = SD.open(filename);
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if (!sysex)
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return (false);
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memset(name, 0, len);
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sysex.seek(124 + (v * 128));
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sysex.read(name, min(len, 10));
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#ifdef DEBUG
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Serial.print(F("Found voice-name ["));
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Serial.print(name);
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Serial.print(F("] for bank ["));
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Serial.print(b);
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Serial.print(F("] and voice ["));
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Serial.print(v);
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Serial.println(F("]"));
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#endif
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sysex.close();
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return (true);
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}
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return (false);
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}
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bool get_voice_by_bank_name(uint8_t b, const char* bank_name, uint8_t v, char* voice_name, uint8_t len)
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{
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File sysex;
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if (sd_card > 0)
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{
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char filename[FILENAME_LEN];
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sprintf(filename, "/%d/%s.syx", b, bank_name);
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#ifdef DEBUG
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Serial.print(F("Reading voice-name from ["));
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Serial.print(filename);
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Serial.println(F("]"));
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#endif
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// try to open directory
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sysex = SD.open(filename);
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if (!sysex)
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return (false);
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memset(voice_name, 0, len);
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sysex.seek(124 + (v * 128));
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sysex.read(voice_name, min(len, 10));
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#ifdef DEBUG
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Serial.print(F("Found voice-name ["));
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Serial.print(voice_name);
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Serial.print(F("] for bank ["));
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Serial.print(b);
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Serial.print(F("|"));
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Serial.print(bank_name);
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Serial.print(F("] and voice ["));
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Serial.print(v);
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Serial.println(F("]"));
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#endif
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sysex.close();
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return (true);
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}
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return (false);
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}
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