wirtz
/
MicroDexed
mirror of https://codeberg.org/dcoredump/MicroDexed.git
1
1
Fork 0
Code Issues Releases Wiki Activity

Started SysEX reading from SD.

Browse Source
pull/4/head
Holger Wirtz 7 years ago
parent 01e701bd59
commit f5bae5286f
2 changed files with 171 additions and 49 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Show Stats Download Patch File Download Diff File
  1. 180
      MicroDexed.ino
  2. 40
      dexed.h

180
MicroDexed.ino
Unescape View File

@ -12,18 +12,23 @@
#include <MIDI.h> #include <MIDI.h>
#include "dexed.h" #include "dexed.h"
#define AUDIO_MEM 2 #define VOLUME 0.5
#define SAMPLE_RATE 44100 #define SAMPLE_RATE 44100
#define INIT_AUDIO_QUEUE 1 //#define INIT_AUDIO_QUEUE 1
//#define SHOW_DEXED_TIMING 1 //#define SHOW_DEXED_TIMING 1
#define SHOW_XRUN 1 #define SHOW_XRUN 1
#define SHOW_CPU_LOAD_MSEC 5000 #define SHOW_CPU_LOAD_MSEC 5000
#define MAX_NOTES 10 #define MAX_NOTES 10
#define TEST_MIDI 1 //#define TEST_MIDI 1
#define TEST_NOTE 40 #define TEST_NOTE 40
#define TEST_VEL_MIN 60 #define TEST_VEL_MIN 60
#define TEST_VEL_MAX 110 #define TEST_VEL_MAX 110
//#define ADD_EFFECT_CHORUS 1 //#define ADD_EFFECT_CHORUS 1
#ifdef ADD_EFFECT_CHORUS
#define AUDIO_MEM 6
#else
#define AUDIO_MEM 2
#endif
// Use these with the Teensy Audio Shield // Use these with the Teensy Audio Shield
#define SDCARD_CS_PIN 10 #define SDCARD_CS_PIN 10
@ -53,8 +58,7 @@ AudioControlSGTL5000 sgtl5000_1; //xy=507,403
MIDI_CREATE_INSTANCE(HardwareSerial, Serial1, MIDI); MIDI_CREATE_INSTANCE(HardwareSerial, Serial1, MIDI);
Dexed* dexed = new Dexed(SAMPLE_RATE); Dexed* dexed = new Dexed(SAMPLE_RATE);
IntervalTimer sched; IntervalTimer sched;
Sd2Card card; bool sd_card_available = false;
SdVolume volume;
#ifdef ADD_EFFECT_CHORUS #ifdef ADD_EFFECT_CHORUS
// Number of samples in each delay line // Number of samples in each delay line
@ -65,38 +69,24 @@ short delayline[CHORUS_DELAY_LENGTH];
void setup() void setup()
{ {
//while (!Serial) ; // wait for Arduino Serial Monitor //while (!Serial) ; // wait for Arduino Serial Monitor
Serial.begin(115200); Serial.begin(115200);
delay(50);
Serial.println(F("MicroDexed based on https://github.com/asb2m10/dexed")); Serial.println(F("MicroDexed based on https://github.com/asb2m10/dexed"));
Serial.println(F("(c)2018 H. Wirtz")); Serial.println(F("(c)2018 H. Wirtz"));
Serial.println(F("setup start")); Serial.println(F("setup start"));
SPI.setMOSI(SDCARD_MOSI_PIN); SPI.setMOSI(SDCARD_MOSI_PIN);
SPI.setSCK(SDCARD_SCK_PIN); SPI.setSCK(SDCARD_SCK_PIN);
if (card.init(SPI_FULL_SPEED, SDCARD_CS_PIN)) { if (!SD.begin(SDCARD_CS_PIN))
Serial.println(F("SD card found."));
}
else
{ {
Serial.println(F("No SD card found.")); Serial.println(F("SD card not accessable"));
} }
else
switch (card.type())
{ {
case SD_CARD_TYPE_SD1: sd_card_available = true;
case SD_CARD_TYPE_SD2:
Serial.println(F("Card type is SD"));
break;
case SD_CARD_TYPE_SDHC:
Serial.println(F("Card type is SDHC"));
break;
default:
Serial.println(F("Card is an unknown type (maybe SDXC?)"));
}
if (!volume.init(card)) {
Serial.println(F("Unable to access the filesystem"));
} }
//load_sysex_file("ROM1A.SYX");
MIDI.begin(MIDI_CHANNEL_OMNI); MIDI.begin(MIDI_CHANNEL_OMNI);
@ -105,7 +95,7 @@ void setup()
AudioMemory(AUDIO_MEM); AudioMemory(AUDIO_MEM);
sgtl5000_1.enable(); sgtl5000_1.enable();
sgtl5000_1.volume(0.2); sgtl5000_1.volume(VOLUME);
// Initialize processor and memory measurements // Initialize processor and memory measurements
#ifdef SHOW_CPU_LOAD_MSEC #ifdef SHOW_CPU_LOAD_MSEC
@ -225,8 +215,140 @@ void cpu_and_mem_usage(void)
} }
#endif #endif
void spaces(int num) { void load_sysex_file(char *name)
for (int i = 0; i < num; i++) { {
Serial.print(" "); File root;
if (sd_card_available)
{
root = SD.open("/");
while (42 == 42)
{
File entry = root.openNextFile();
if (!entry)
break;
else
{
if (!entry.isDirectory())
{
if (strcmp(name, entry.name()) == 0)
{
Serial.println(entry.name());
check_sysex(entry);
load_sysex(entry, 2);
entry.close();
break;
}
entry.close();
}
}
}
}
}
bool load_sysex(File sysex, uint8_t voice_number)
{
File file;
char voice_name[11];
if (file = SD.open(sysex.name()))
{
uint8_t* p_data = dexed->data;
uint8_t i;
uint8_t tmp;
file.seek(6 + (voice_number * 128));
for (i = 0; i < 6; i++)
{
file.read(p_data + (i * 17), 11); // R1, R2, R3, R4, L1, L2, L3, L4, LEV SCL BRK PT, SCL LEFT DEPTH, SCL RGHT DEPTH
tmp = file.read();
*(p_data + 11 + (i * 21)) = (tmp & 0x0c) >> 2;
*(p_data + 12 + (i * 21)) = (tmp & 0x3);
tmp = file.read();
*(p_data + 13 + (i * 21)) = (tmp & 0x78) >> 3;
*(p_data + 14 + (i * 21)) = (tmp & 0x07);
tmp = file.read();
*(p_data + 15 + (i * 21)) = (tmp & 0x1c) >> 2;
*(p_data + 16 + (i * 21)) = (tmp & 0x03);
*(p_data + 17 + (i * 21)) = file.read();
tmp = file.read();
*(p_data + 18 + (i * 21)) = (tmp & 0x3e) >> 1;
*(p_data + 19 + (i * 21)) = (tmp & 0x01);
file.read(p_data + (i * 21), 1); // FREQ FINE
}
file.read(p_data + 125, 8); // PR1, PR2, PR3, PR4, PL1, PL2, PL3, PL4
tmp = file.read();
*(p_data + 133) = (tmp & 0x1f);
tmp = file.read();
*(p_data + 134) = (tmp & 0x08) >> 3;
*(p_data + 135) = (tmp & 0x07);
file.read(p_data + 136, 4); // LFS, LFD, LPMD, LAMD
tmp = file.read();
*(p_data + 140) = (tmp & 0x60) >> 5;
*(p_data + 141) = (tmp & 0x1e) >> 1;
*(p_data + 142) = (tmp & 0x01);
file.read(p_data + 143, 1); // TRNSP
file.read(p_data + 144, 10);
strncpy(voice_name, (char*)(p_data + 144), 10);
voice_name[10] = '\0';
*(p_data + 166) = 1;
*(p_data + 167) = 1;
*(p_data + 168) = 1;
*(p_data + 169) = 1;
*(p_data + 170) = 1;
*(p_data + 171) = 1;
*(p_data + 172) = 16;
}
Serial.println(voice_name);
return (true);
}
bool check_sysex(File sysex)
{
File file;
uint16_t i;
uint32_t calc_checksum = 0;
if (sysex.size() != 4104) // check sysex size
return (false);
if (file = SD.open(sysex.name()))
{
if (file.read() != 0xf0) // check sysex start-byte
{
Serial.println(F("E: SysEx start byte not found."));
return (false);
}
if (file.read() != 0x43) // check sysex vendor is Yamaha
{
Serial.println(F("E: SysEx vendor not Yamaha."));
return (false);
}
file.seek(4103);
if (file.read() != 0xf7) // check sysex end-byte
{
Serial.println(F("E: SysEx end byte not found."));
return (false);
} }
file.seek(3);
if (file.read() != 0x09) // check for sysex type (0x09=32 voices)
{
Serial.println(F("E: SysEx type not 32 voices."));
return (false);
}
file.seek(6); // start of 32*128 (=4096) bytes data
for (i = 0; i < 4096; i++)
calc_checksum += (file.read() & 0x7F); // calculate checksum
calc_checksum = uint8_t(~calc_checksum + 1);
if (calc_checksum != uint8_t(file.read()))
{
Serial.println(F("E: checksum mismatch."));
return (false);
}
}
file.close();
return (true);
} }

40
dexed.h
Unescape View File

@ -72,12 +72,29 @@ class Dexed
Controllers controllers; Controllers controllers;
VoiceStatus voiceStatus; VoiceStatus voiceStatus;
uint8_t data[173] = {
95, 29, 20, 50, 99, 95, 00, 00, 41, 00, 19, 00, 00, 03, 00, 06, 79, 00, 01, 00, 14, // OP6 eg_rate_1-4, level_1-4, kbd_lev_scl_brk_pt, kbd_lev_scl_lft_depth, kbd_lev_scl_rht_depth, kbd_lev_scl_lft_curve, kbd_lev_scl_rht_curve, kbd_rate_scaling, amp_mod_sensitivity, key_vel_sensitivity, operator_output_level, osc_mode, osc_freq_coarse, osc_freq_fine, osc_detune
95, 20, 20, 50, 99, 95, 00, 00, 00, 00, 00, 00, 00, 03, 00, 00, 99, 00, 01, 00, 00, // OP5
95, 29, 20, 50, 99, 95, 00, 00, 00, 00, 00, 00, 00, 03, 00, 06, 89, 00, 01, 00, 07, // OP4
95, 20, 20, 50, 99, 95, 00, 00, 00, 00, 00, 00, 00, 03, 00, 02, 99, 00, 01, 00, 07, // OP3
95, 50, 35, 78, 99, 75, 00, 00, 00, 00, 00, 00, 00, 03, 00, 07, 58, 00, 14, 00, 07, // OP2
96, 25, 25, 67, 99, 75, 00, 00, 00, 00, 00, 00, 00, 03, 00, 02, 99, 00, 01, 00, 10, // OP1
94, 67, 95, 60, 50, 50, 50, 50, // 4 * pitch EG rates, 4 *pitch EG level
04, 06, 00, // algorithm, feedback, osc sync
34, 33, 00, 00, 00, 04, // lfo speed, lfo delay, lfo pitch_mod_depth, lfo_amp_mod_depth, lfo_sync, lfo_waveform
03, 24, // pitch_mod_sensitivity, transpose
00, 00, 00, 00, 00, 00, 00, 00, 00, 00, // 10 * char for name
01, 00, 99, 00, 99, 00, 99, 00, 99, 00, // pitch_bend_range, pitch_bend_step, mod_wheel_range, mod_wheel_assign, foot_ctrl_range, foot_ctrl_assign, breath_ctrl_range, breath_ctrl_assign, aftertouch_range, aftertouch_assign
00, // master tune
01, 01, 01, 01, 01, 01, // OP1-6 enable
16 // number of voices
}; // FM-Piano
protected: protected:
//void onParam(uint8_t param_num,float param_val); //void onParam(uint8_t param_num,float param_val);
void keyup(uint8_t pitch); void keyup(uint8_t pitch);
void keydown(uint8_t pitch, uint8_t velo); void keydown(uint8_t pitch, uint8_t velo);
static const uint8_t MAX_ACTIVE_NOTES = 16; static const uint8_t MAX_ACTIVE_NOTES = 16;
uint8_t max_notes = MAX_ACTIVE_NOTES; uint8_t max_notes = MAX_ACTIVE_NOTES;
ProcessorVoice voices[MAX_ACTIVE_NOTES]; ProcessorVoice voices[MAX_ACTIVE_NOTES];
@ -91,28 +108,11 @@ class Dexed
EngineMkI* engineMkI; EngineMkI* engineMkI;
EngineOpl* engineOpl; EngineOpl* engineOpl;
private: private:
uint8_t _k_rate_counter; uint8_t _k_rate_counter;
uint8_t _param_change_counter; uint8_t _param_change_counter;
uint8_t data[173] = {
95, 29, 20, 50, 99, 95, 00, 00, 41, 00, 19, 00, 00, 03, 00, 06, 79, 00, 01, 00, 14, // OP6 eg_rate_1-4, level_1-4, kbd_lev_scl_brk_pt, kbd_lev_scl_lft_depth, kbd_lev_scl_rht_depth, kbd_lev_scl_lft_curve, kbd_lev_scl_rht_curve, kbd_rate_scaling, amp_mod_sensitivity, key_vel_sensitivity, operator_output_level, osc_mode, osc_freq_coarse, osc_freq_fine, osc_detune
95, 20, 20, 50, 99, 95, 00, 00, 00, 00, 00, 00, 00, 03, 00, 00, 99, 00, 01, 00, 00, // OP5
95, 29, 20, 50, 99, 95, 00, 00, 00, 00, 00, 00, 00, 03, 00, 06, 89, 00, 01, 00, 07, // OP4
95, 20, 20, 50, 99, 95, 00, 00, 00, 00, 00, 00, 00, 03, 00, 02, 99, 00, 01, 00, 07, // OP3
95, 50, 35, 78, 99, 75, 00, 00, 00, 00, 00, 00, 00, 03, 00, 07, 58, 00, 14, 00, 07, // OP2
96, 25, 25, 67, 99, 75, 00, 00, 00, 00, 00, 00, 00, 03, 00, 02, 99, 00, 01, 00, 10, // OP1
94, 67, 95, 60, 50, 50, 50, 50, // 4 * pitch EG rates, 4 *pitch EG level
04, 06, 00, // algorithm, feedback, osc sync
34, 33, 00, 00, 00, 04, // lfo speed, lfo delay, lfo pitch_mod_depth, lfo_amp_mod_depth, lfo_sync, lfo_waveform
03, 24, // pitch_mod_sensitivity, transpose
00, 00, 00, 00, 00, 00, 00, 00, 00, 00, // 10 * char for name
01, 00, 99, 00, 99, 00, 99, 00, 99, 00, // pitch_bend_range, pitch_bend_step, mod_wheel_range, mod_wheel_assign, foot_ctrl_range, foot_ctrl_assign, breath_ctrl_range, breath_ctrl_assign, aftertouch_range, aftertouch_assign
00, // master tune
01, 01, 01, 01, 01, 01, // OP1-6 enable
16 // number of voices
}; // INIT
}; };
#endif // PLUGINPROCESSOR_H_INCLUDED #endif // PLUGINPROCESSOR_H_INCLUDED

Write Preview
Loading…
Cancel
Save