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282 lines
7.2 KiB
282 lines
7.2 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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Dexed ist heavily based on https://github.com/google/music-synthesizer-for-android
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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 <Arduino.h>
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#include <limits.h>
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#include "config.h"
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#include "dexed.h"
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#include "dexed_sysex.h"
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#include "UI.h"
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#ifdef I2C_DISPLAY // selecting sounds by encoder, button and display
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elapsedMillis ui_back_to_main;
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elapsedMillis autostore_sound;
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void handle_ui(void)
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{
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if (ui_back_to_main >= UI_AUTO_BACK_MS && ui_state != UI_MAIN)
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{
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lcd.clear();
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ui_show_main();
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eeprom_write_volume();
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eeprom_write_midichannel();
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}
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if (autostore_sound >= AUTOSTORE_MS && (ui_main_state == UI_MAIN_VOICE_SELECTED || ui_main_state == UI_MAIN_BANK_SELECTED))
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{
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ui_main_state = UI_MAIN_VOICE;
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ui_show_main();
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eeprom_write_sound();
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}
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for (uint8_t i = 0; i < NUM_ENCODER; i++)
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{
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but[i].update();
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if (but[i].risingEdge())
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{
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// Button pressed
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switch (i)
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{
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case 0: // left button pressed
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switch (ui_state)
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{
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case UI_MAIN:
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enc[i].write(map(vol * 100, 0, 100, 0, ENC_VOL_STEPS));
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enc_val[i] = enc[i].read();
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ui_show_volume();
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break;
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case UI_VOLUME:
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enc[i].write(midi_channel);
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enc_val[i] = enc[i].read();
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ui_show_midichannel();
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break;
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case UI_MIDICHANNEL:
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enc[i].write(map(vol * 100, 0, 100, 0, ENC_VOL_STEPS));
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enc_val[i] = enc[i].read();
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ui_show_main();
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break;
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}
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break;
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case 1: // right button pressed
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switch (ui_main_state)
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{
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case UI_MAIN_BANK:
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case UI_MAIN_BANK_SELECTED:
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ui_main_state = UI_MAIN_VOICE;
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enc[i].write(voice);
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enc_val[i] = enc[i].read();
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break;
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case UI_MAIN_VOICE:
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case UI_MAIN_VOICE_SELECTED:
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ui_main_state = UI_MAIN_BANK;
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enc[i].write(bank);
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enc_val[i] = enc[i].read();
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break;
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}
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ui_show_main();
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break;
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}
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#ifdef DEBUG
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Serial.print(F("Button "));
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Serial.println(i, DEC);
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#endif
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}
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if (enc[i].read() == enc_val[i])
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continue;
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else
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{
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switch (i)
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{
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case 0: // left encoder moved
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switch (ui_state)
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{
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case UI_MAIN:
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case UI_VOLUME:
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if (enc[i].read() <= 0)
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enc[i].write(0);
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else if (enc[i].read() >= ENC_VOL_STEPS)
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enc[i].write(ENC_VOL_STEPS);
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set_volume(float(map(enc[i].read(), 0, ENC_VOL_STEPS, 0, 100)) / 100, vol_left, vol_right);
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ui_show_volume();
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break;
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case UI_MIDICHANNEL:
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if (enc[i].read() <= 0)
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enc[i].write(0);
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else if (enc[i].read() >= 16)
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enc[i].write(16);
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midi_channel = enc[i].read();
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ui_show_midichannel();
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break;
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}
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break;
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case 1: // right encoder moved
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switch (ui_main_state)
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{
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case UI_MAIN_BANK:
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ui_main_state = UI_MAIN_BANK_SELECTED;
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case UI_MAIN_BANK_SELECTED:
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if (enc[i].read() <= 0)
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enc[i].write(0);
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else if (enc[i].read() > max_loaded_banks - 1)
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enc[i].write(max_loaded_banks - 1);
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bank = enc[i].read();
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get_voice_names_from_bank(bank);
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load_sysex(bank, voice);
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autostore_sound = 0;
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break;
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case UI_MAIN_VOICE:
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ui_main_state = UI_MAIN_VOICE_SELECTED;
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case UI_MAIN_VOICE_SELECTED:
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if (enc[i].read() <= 0)
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enc[i].write(0);
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else if (enc[i].read() > MAX_VOICES - 1)
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enc[i].write(MAX_VOICES - 1);
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voice = enc[i].read();
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load_sysex(bank, voice);
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autostore_sound = 0;
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break;
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}
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ui_show_main();
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break;
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}
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#ifdef DEBUG
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Serial.print(F("Encoder "));
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Serial.print(i, DEC);
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Serial.print(F(": "));
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Serial.println(enc[i].read(), DEC);
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#endif
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}
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enc_val[i] = enc[i].read();
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}
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}
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void ui_show_main(void)
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{
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if (ui_state != UI_MAIN)
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{
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lcd.clear();
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}
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lcd.show(0, 0, 2, bank);
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lcd.show(0, 2, 1, " ");
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strip_extension(bank_names[bank], bank_name);
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if (ui_main_state == UI_MAIN_BANK)
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{
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lcd.show(0, 2, 1, "[");
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lcd.show(0, 3, 10, bank_name);
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lcd.show(0, 14, 1, "]");
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}
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else if (ui_main_state == UI_MAIN_BANK_SELECTED)
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{
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lcd.show(0, 2, 1, "<");
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lcd.show(0, 3, 10, bank_name);
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lcd.show(0, 14, 1, ">");
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}
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else
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{
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lcd.show(0, 2, 1, " ");
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lcd.show(0, 3, 10, bank_name);
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lcd.show(0, 14, 1, " ");
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}
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lcd.show(1, 0, 2, voice + 1);
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lcd.show(1, 2, 1, " ");
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if (ui_main_state == UI_MAIN_VOICE)
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{
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lcd.show(1, 2, 1, "[");
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lcd.show(1, 3, 10, voice_names[voice]);
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lcd.show(1, 14, 1, "]");
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}
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else if (ui_main_state == UI_MAIN_VOICE_SELECTED)
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{
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lcd.show(1, 2, 1, "<");
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lcd.show(1, 3, 10, voice_names[voice]);
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lcd.show(1, 14, 1, ">");
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}
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else
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{
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lcd.show(1, 2, 1, " ");
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lcd.show(1, 3, 10, voice_names[voice]);
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lcd.show(1, 14, 1, " ");
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}
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ui_state = UI_MAIN;
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}
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void ui_show_midichannel(void)
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{
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ui_back_to_main = 0;
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if (ui_state != UI_MIDICHANNEL)
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{
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lcd.clear();
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lcd.show(0, 0, LCD_CHARS, "MIDI Channel");
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}
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if (midi_channel == MIDI_CHANNEL_OMNI)
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lcd.show(1, 0, 4, "OMNI");
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else
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{
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lcd.show(1, 0, 2, midi_channel);
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if (midi_channel == 1)
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lcd.show(1, 2, 2, " ");
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}
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ui_state = UI_MIDICHANNEL;
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}
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void ui_show_volume(void)
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{
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ui_back_to_main = 0;
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if (ui_state != UI_VOLUME)
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{
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lcd.clear();
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lcd.show(0, 0, LCD_CHARS, "Volume");
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}
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lcd.show(0, LCD_CHARS - 3, 3, vol * 100);
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if (vol == 0.0)
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lcd.show(1, 0, LCD_CHARS , " ");
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else
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{
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if (vol < (float(LCD_CHARS) / 100))
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lcd.show(1, 0, LCD_CHARS, "*");
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else
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{
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for (uint8_t i = 0; i < map(vol * 100, 0, 100, 0, LCD_CHARS); i++)
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lcd.show(1, i, 1, "*");
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for (uint8_t i = map(vol * 100, 0, 100, 0, LCD_CHARS); i < LCD_CHARS; i++)
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lcd.show(1, i, 1, " ");
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}
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}
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ui_state = UI_VOLUME;
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}
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#endif
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