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MicroDexed
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Added selection of MIDI channel.

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Added auto-store for volume/midi-channel and voice/bank.
Small fixes.
pull/4/head
Holger Wirtz 6 years ago
parent 69f8a44309
commit f0cbc8d3ab
5 changed files with 144 additions and 67 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 67
      MicroDexed.ino
  2. 109
      UI.cpp
  3. 8
      UI.h
  4. 16
      config.h
  5. 9
      dexed_sysex.cpp

67
MicroDexed.ino
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@ -81,7 +81,7 @@ uint32_t overload = 0;
uint32_t peak = 0;
uint16_t render_time_max = 0;
uint8_t bank = 0;
uint8_t max_loaded_banks=0;
uint8_t max_loaded_banks = 0;
uint8_t voice = 0;
float vol = VOLUME;
float vol_right = 1.0;
@ -183,8 +183,8 @@ void setup()
sd_card_available = true;
// read all bank names
max_loaded_banks=get_bank_names();
strip_extension(bank_names[bank],bank_name);
max_loaded_banks = get_bank_names();
strip_extension(bank_names[bank], bank_name);
// read all voice name for actual bank
get_voice_names_from_bank(bank);
@ -352,15 +352,6 @@ void handle_input(void)
return;
}
#endif
#ifndef MASTER_KEY_MIDI
int enc1_val = enc1.read();
if (but1.update())
;
// place handling of encoder and showing values on lcd here
#endif
}
#ifdef DEBUG
@ -405,8 +396,7 @@ bool handle_master_key(uint8_t data)
Serial.print(F("Loading voice number "));
Serial.println(num, DEC);
#endif
EEPROM.update(EEPROM_OFFSET + EEPROM_VOICE_ADDR, num);
update_eeprom_checksum();
eeprom_write_sound();
#ifdef I2C_DISPLAY
lcd.show(1, 0, 2, voice + 1);
lcd.show(1, 2, 1, " ");
@ -434,8 +424,6 @@ bool handle_master_key(uint8_t data)
else if (num > 10 && num <= 20)
{
bank = num - 10;
EEPROM.update(EEPROM_OFFSET + EEPROM_BANK_ADDR, bank);
update_eeprom_checksum();
#ifdef DEBUG
Serial.print(F("Bank switch to: "));
Serial.println(bank, DEC);
@ -443,7 +431,7 @@ bool handle_master_key(uint8_t data)
#ifdef I2C_DISPLAY
if (get_voice_names_from_bank(bank))
{
strip_extension(bank_names[bank],bank_name);
strip_extension(bank_names[bank], bank_name);
lcd.show(0, 0, 2, bank + 1);
lcd.show(0, 2, 1, " ");
lcd.show(0, 3, 10, bank_name);
@ -584,10 +572,7 @@ void set_volume(float v, float vr, float vl)
vol_left = vl;
#ifndef I2C_DISPLAY
EEPROM.update(EEPROM_OFFSET + EEPROM_MASTER_VOLUME_ADDR, uint8_t(vol * UCHAR_MAX));
EEPROM.update(EEPROM_OFFSET + EEPROM_VOLUME_RIGHT_ADDR, uint8_t(vol_right * UCHAR_MAX));
EEPROM.update(EEPROM_OFFSET + EEPROM_VOLUME_LEFT_ADDR, uint8_t(vol_left * UCHAR_MAX));
update_eeprom_checksum();
eeprom_write_volume();
#endif
#ifdef DEBUG
uint8_t tmp;
@ -706,12 +691,9 @@ void initial_values_from_eeprom(void)
#ifdef DEBUG
Serial.print(F(" - mismatch -> initializing EEPROM!"));
#endif
EEPROM.update(EEPROM_OFFSET + EEPROM_BANK_ADDR, bank);
EEPROM.update(EEPROM_OFFSET + EEPROM_VOICE_ADDR, voice);
EEPROM.update(EEPROM_OFFSET + EEPROM_MASTER_VOLUME_ADDR, uint8_t(vol * UCHAR_MAX));
EEPROM.update(EEPROM_OFFSET + EEPROM_VOLUME_RIGHT_ADDR, uint8_t(vol_right * UCHAR_MAX));
EEPROM.update(EEPROM_OFFSET + EEPROM_VOLUME_LEFT_ADDR, uint8_t(vol_left * UCHAR_MAX));
update_eeprom_checksum();
eeprom_write_sound();
eeprom_write_volume();
eeprom_write_midichannel();
}
else
{
@ -720,6 +702,7 @@ void initial_values_from_eeprom(void)
vol = float(EEPROM.read(EEPROM_OFFSET + EEPROM_MASTER_VOLUME_ADDR)) / UCHAR_MAX;
vol_right = float(EEPROM.read(EEPROM_OFFSET + EEPROM_VOLUME_RIGHT_ADDR)) / UCHAR_MAX;
vol_left = float(EEPROM.read(EEPROM_OFFSET + EEPROM_VOLUME_LEFT_ADDR)) / UCHAR_MAX;
midi_channel = EEPROM.read(EEPROM_OFFSET + EEPROM_MIDICHANNEL_ADDR);
}
#ifdef DEBUG
Serial.println();
@ -768,6 +751,36 @@ uint32_t eeprom_crc32(uint16_t calc_start, uint16_t calc_bytes) // base code fro
return (crc);
}
void eeprom_write_sound(void)
{
EEPROM.update(EEPROM_OFFSET + EEPROM_BANK_ADDR, bank);
EEPROM.update(EEPROM_OFFSET + EEPROM_VOICE_ADDR, voice);
update_eeprom_checksum();
#ifdef DEBUG
Serial.println(F("Sound written to EEPROM"));
#endif
}
void eeprom_write_volume(void)
{
EEPROM.update(EEPROM_OFFSET + EEPROM_MASTER_VOLUME_ADDR, uint8_t(vol * UCHAR_MAX));
EEPROM.update(EEPROM_OFFSET + EEPROM_VOLUME_RIGHT_ADDR, uint8_t(vol_right * UCHAR_MAX));
EEPROM.update(EEPROM_OFFSET + EEPROM_VOLUME_LEFT_ADDR, uint8_t(vol_left * UCHAR_MAX));
update_eeprom_checksum();
#ifdef DEBUG
Serial.println(F("Volume written to EEPROM"));
#endif
}
void eeprom_write_midichannel(void)
{
EEPROM.update(EEPROM_OFFSET + EEPROM_MIDICHANNEL_ADDR, midi_channel);
update_eeprom_checksum();
#ifdef DEBUG
Serial.println(F("MIDI channel written to EEPROM"));
#endif
}
#if defined (DEBUG) && defined (SHOW_CPU_LOAD_MSEC)
void show_cpu_and_mem_usage(void)
{

109
UI.cpp
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@ -33,6 +33,7 @@
#ifdef I2C_DISPLAY // selecting sounds by encoder, button and display
elapsedMillis ui_back_to_main;
elapsedMillis autostore_sound;
void handle_ui(void)
{
@ -40,10 +41,15 @@ void handle_ui(void)
{
lcd.clear();
ui_show_main();
EEPROM.update(EEPROM_OFFSET + EEPROM_MASTER_VOLUME_ADDR, uint8_t(vol * UCHAR_MAX));
EEPROM.update(EEPROM_OFFSET + EEPROM_VOLUME_RIGHT_ADDR, uint8_t(vol_right * UCHAR_MAX));
EEPROM.update(EEPROM_OFFSET + EEPROM_VOLUME_LEFT_ADDR, uint8_t(vol_left * UCHAR_MAX));
update_eeprom_checksum();
eeprom_write_volume();
eeprom_write_midichannel();
}
if (autostore_sound >= AUTOSTORE_MS && (ui_main_state == UI_MAIN_VOICE_SELECTED || ui_main_state == UI_MAIN_BANK_SELECTED))
{
ui_main_state = UI_MAIN_VOICE;
ui_show_main();
eeprom_write_sound();
}
for (uint8_t i = 0; i < NUM_ENCODER; i++)
@ -56,34 +62,44 @@ void handle_ui(void)
switch (i)
{
case 0: // left button pressed
switch (ui_state)
{
case UI_MAIN:
enc[i].write(map(vol * 100, 0, 100, 0, ENC_VOL_STEPS));
enc_val[i] = enc[i].read();
ui_show_volume();
break;
case UI_VOLUME:
enc[i].write(midi_channel);
enc_val[i] = enc[i].read();
ui_show_midichannel();
break;
case UI_MIDICHANNEL:
enc[i].write(map(vol * 100, 0, 100, 0, ENC_VOL_STEPS));
enc_val[i] = enc[i].read();
ui_show_main();
break;
}
break;
case 1: // right button pressed
switch (ui_main_state)
{
case UI_MAIN_BANK:
case UI_MAIN_BANK_SELECTED:
ui_main_state = UI_MAIN_VOICE;
enc[1].write(voice);
enc_val[1] = enc[1].read();
enc[i].write(voice);
enc_val[i] = enc[i].read();
break;
case UI_MAIN_VOICE:
case UI_MAIN_VOICE_SELECTED:
ui_main_state = UI_MAIN_BANK;
enc[1].write(bank);
enc_val[1] = enc[1].read();
enc[i].write(bank);
enc_val[i] = enc[i].read();
break;
}
break;
case 1: // right button pressed
if (ui_main_state == UI_MAIN_VOICE_SELECTED)
{
ui_main_state = UI_MAIN_VOICE;
load_sysex(bank, voice);
EEPROM.update(EEPROM_OFFSET + EEPROM_BANK_ADDR, bank);
EEPROM.update(EEPROM_OFFSET + EEPROM_VOICE_ADDR, voice);
update_eeprom_checksum();
}
ui_show_main();
break;
}
ui_show_main();
#ifdef DEBUG
Serial.print(F("Button "));
Serial.println(i, DEC);
@ -97,12 +113,26 @@ void handle_ui(void)
switch (i)
{
case 0: // left encoder moved
if (enc[i].read() <= 0)
enc[i].write(0);
else if (enc[i].read() >= ENC_VOL_STEPS)
enc[i].write(ENC_VOL_STEPS);
set_volume(float(map(enc[i].read(), 0, ENC_VOL_STEPS, 0, 100)) / 100, vol_left, vol_right);
ui_show_volume();
switch (ui_state)
{
case UI_MAIN:
case UI_VOLUME:
if (enc[i].read() <= 0)
enc[i].write(0);
else if (enc[i].read() >= ENC_VOL_STEPS)
enc[i].write(ENC_VOL_STEPS);
set_volume(float(map(enc[i].read(), 0, ENC_VOL_STEPS, 0, 100)) / 100, vol_left, vol_right);
ui_show_volume();
break;
case UI_MIDICHANNEL:
if (enc[i].read() <= 0)
enc[i].write(0);
else if (enc[i].read() >= 16)
enc[i].write(16);
midi_channel = enc[i].read();
ui_show_midichannel();
break;
}
break;
case 1: // right encoder moved
switch (ui_main_state)
@ -116,6 +146,8 @@ void handle_ui(void)
enc[i].write(max_loaded_banks - 1);
bank = enc[i].read();
get_voice_names_from_bank(bank);
load_sysex(bank, voice);
autostore_sound = 0;
break;
case UI_MAIN_VOICE:
ui_main_state = UI_MAIN_VOICE_SELECTED;
@ -125,6 +157,8 @@ void handle_ui(void)
else if (enc[i].read() > MAX_VOICES - 1)
enc[i].write(MAX_VOICES - 1);
voice = enc[i].read();
load_sysex(bank, voice);
autostore_sound = 0;
break;
}
ui_show_main();
@ -190,12 +224,36 @@ void ui_show_main(void)
}
}
void ui_show_midichannel(void)
{
ui_back_to_main = 0;
if (ui_state != UI_MIDICHANNEL)
{
lcd.clear();
lcd.show(0, 0, LCD_CHARS, "MIDI Channel");
}
if (midi_channel == MIDI_CHANNEL_OMNI)
lcd.show(1, 0, 4, "OMNI");
else
{
lcd.show(1, 0, 2, midi_channel);
if (midi_channel == 1)
lcd.show(1, 2, 2, " ");
}
ui_state = UI_MIDICHANNEL;
}
void ui_show_volume(void)
{
ui_back_to_main = 0;
if (ui_state != UI_VOLUME)
{
lcd.clear();
lcd.show(0, 0, LCD_CHARS, "Volume");
}
lcd.show(0, LCD_CHARS - 3, 3, vol * 100);
if (vol == 0.0)
@ -214,5 +272,4 @@ void ui_show_volume(void)
}
ui_state = UI_VOLUME;
}
#endif

8
UI.h
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@ -26,6 +26,7 @@
#include "config.h"
#include <Bounce.h>
#include <EEPROM.h>
#include <MIDI.h>
#include "LiquidCrystalPlus_I2C.h"
#include "Encoder4.h"
@ -46,14 +47,19 @@ extern char bank_name[BANK_NAME_LEN];
extern char voice_name[VOICE_NAME_LEN];
extern uint8_t ui_state;
extern uint8_t ui_main_state;
extern uint8_t midi_channel;
extern void update_eeprom_checksum(void);
extern void set_volume(float v, float vr, float vl);
extern void eeprom_write_sound(void);
extern void eeprom_write_volume(void);
extern void eeprom_write_midichannel(void);
void handle_ui(void);
void ui_show_main(void);
void ui_show_volume(void);
void ui_show_midichannel(void);
enum ui_states {UI_MAIN, UI_VOLUME};
enum ui_states {UI_MAIN, UI_VOLUME, UI_MIDICHANNEL};
enum ui_main_states {UI_MAIN_BANK, UI_MAIN_VOICE, UI_MAIN_BANK_SELECTED, UI_MAIN_VOICE_SELECTED};
class MyEncoder : public Encoder

16
config.h
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@ -28,12 +28,11 @@
// ATTENTION! For better latency you have to redefine AUDIO_BLOCK_SAMPLES from
// 128 to 64 in <ARDUINO-IDE-DIR>/cores/teensy3/AudioStream.h
#ifndef CONFIG_H_INCLUDED
#define CONFIG_H_INCLUDED
// Initial values
#define VERSION 1.0
#define VERSION 1.0.0
#define MIDI_DEVICE Serial1
#define USE_ONBOARD_USB_HOST 1
#define TEENSY_AUDIO_BOARD 1
@ -43,9 +42,9 @@
#define DEFAULT_SYSEXSOUND 0
//#define DEXED_ENGINE DEXED_ENGINE_MODERN
#ifndef TEENSY_AUDIO_BOARD
#define AUDIO_MEM 4
#define AUDIO_MEM 16
#else
#define AUDIO_MEM 2
#define AUDIO_MEM 80
#endif
#define SAMPLE_RATE 44100
#define MAX_BANKS 99
@ -61,12 +60,12 @@
#endif
// Master key handling (comment for disabling)
#define MASTER_KEY_MIDI MIDI_C7
//#define MASTER_KEY_MIDI MIDI_C7
#define MASTER_NUM1 MIDI_C2
// Debug output
#define SERIAL_SPEED 38400
//#define DEBUG 1
#define DEBUG 1
#define SHOW_MIDI_EVENT 1
#define SHOW_XRUN 1
#define SHOW_CPU_LOAD_MSEC 5000
@ -97,6 +96,7 @@
#define LCD_CHARS 16
#define LCD_LINES 2
#define UI_AUTO_BACK_MS 2000
#define AUTOSTORE_MS 5000
// Encoder with button
#define ENC_VOL_STEPS 43
@ -114,7 +114,7 @@
// EEPROM address
#define EEPROM_OFFSET 0
#define EEPROM_DATA_LENGTH 5
#define EEPROM_DATA_LENGTH 6
#define EEPROM_CRC32_ADDR EEPROM.length()-sizeof(uint32_t)
#define EEPROM_BANK_ADDR 0
@ -122,5 +122,5 @@
#define EEPROM_MASTER_VOLUME_ADDR 2
#define EEPROM_VOLUME_RIGHT_ADDR 3
#define EEPROM_VOLUME_LEFT_ADDR 4
#define EEPROM_MIDICHANNEL_ADDR 5
#endif

9
dexed_sysex.cpp
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@ -56,7 +56,7 @@ void strip_extension(char* s, char* target)
char tmp[BANK_NAME_LEN];
char* token;
strcpy(tmp,s);
strcpy(tmp, s);
token = strtok(tmp, ".");
if (token == NULL)
strcpy(target, "*ERROR*");
@ -169,8 +169,8 @@ bool get_voice_names_from_bank(uint8_t b)
return (false);
}
}
else
return (false);
return (false);
}
uint8_t get_bank_names(void)
@ -219,8 +219,9 @@ uint8_t get_bank_names(void)
bool load_sysex(uint8_t b, uint8_t v)
{
#if DEBUG
bool found = false;
#endif
v %= MAX_VOICES;
b %= MAX_BANKS;

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