cleaning

Makefile

@@ -1,5 +1,5 @@
 CC = gcc
-CFLAGS = `pkg-config --cflags glib-2.0 gio-2.0 gtk+-2.0` -Wall -g
+CFLAGS = `pkg-config --cflags glib-2.0 gio-2.0 gtk+-2.0` -Wall -g -ansi
 OFLAG = -o
 LIBS = `pkg-config --libs glib-2.0 gio-2.0 gtk+-2.0 alsa` -lexpat
 

TODO

@@ -1,26 +1,8 @@
--figure out all magic commands
 -make complete gui
 -cabinet models
 -tone library
 -effects library
 -effects level
--handling presets (loading, saving, exporting to xml patches)
+-handling presets (saving, exporting to xml patches)
 -buildsystem
--start gui with proper values
-   To do so we need to figure out reply formatting of command querying preset.
-   amidi --port=hw:1,0,0 --send-hex F0 00 00 10 00 5E 02 2a 00 04 00 62 F7 --receive=preset
-   will create file named preset (give a while for it, and then hit ctrl+c)
-   this file should have around 440 bytes (depends on actual preset)
-   0x21 byte holds amount of options
-   from 0x22 byte starts effects configuration which is:
-     -2 bytes for ID
-     -1 byte for position
-     -1 to 3 bytes for value
-   Each 8th byte (beginning from 0x27) seems to be status byte which describes
-   whether or not we shall add 0x80 to ID or value and whether or not value
-   will be multibyte. So far I couldn't figure the exact meaning of those bytes.
-   To check you can download some patch from DigiTech Sound Community, apply
-   it to your device, and then do this amidi command.
-   Open resulting file in hex editor, and open patch file in text editor.
-   Every ID, position and value found in patch will appear in the binary file.
--fix expression pedal settings (possible types depend on active effects)
+-expression pedal settings

effects.c

@@ -126,13 +126,13 @@ static EffectSettings amp_settings2[] = {
 };
 
 static EffectSettings eq_settings[] = {
-    // TODO: make those display propertly (display range -12 to 12)
+    /* TODO: make those display propertly (display range -12 to 12) */
     {"EQ bass", 0.0, 24.0, EQ_BASS, EQ_POSITION},
     {"EQ mid", 0.0, 24.0, EQ_MID, EQ_POSITION},
     {"EQ treble", 0.0, 24.0, EQ_TREBLE, EQ_POSITION},
-    // TODO: make this display propertly (display range 300 to 5000)
+    /* TODO: make this display propertly (display range 300 to 5000) */
     {"EQ mid Hz", 0.0, 4700.0, EQ_MID_HZ, EQ_POSITION},
-    // TODO: make this display propertly (display range 500 to 8000)
+    /* TODO: make this display propertly (display range 500 to 8000) */
     {"EQ treb Hz", 0.0, 7500.0, EQ_TREBLE_HZ, EQ_POSITION},
 };
 
@@ -159,14 +159,14 @@ static EffectSettings chorusfx_dual_settings[] = {
     {"Dual chorus speed", 0.0, 99.0, DUAL_CHORUS_SPEED, CHORUSFX_POSITION},
     {"Dual chorus depth", 0.0, 99.0, DUAL_CHORUS_DEPTH, CHORUSFX_POSITION},
     {"Dual chorus level", 0.0, 99.0, DUAL_CHORUS_LEVEL, CHORUSFX_POSITION},
-    // TODO: DUAL_CHORUS_WAVE with valid options WAVE_TRI, WAVE_SINE, WAVE_SQUARE
+    /* TODO: DUAL_CHORUS_WAVE with valid options WAVE_TRI, WAVE_SINE, WAVE_SQUARE */
 };
 
 static EffectSettings chorusfx_multi_settings[] = {
     {"Multi chorus speed", 0.0, 99.0, MULTI_CHORUS_SPEED, CHORUSFX_POSITION},
     {"Multi chorus depth", 0.0, 99.0, MULTI_CHORUS_DEPTH, CHORUSFX_POSITION},
     {"Multi chorus level", 0.0, 99.0, MULTI_CHORUS_LEVEL, CHORUSFX_POSITION},
-    // TODO: MULTI_CHORUS_WAVE with valid options WAVE_TRI, WAVE_SINE, WAVE_SQUARE
+    /* TODO: MULTI_CHORUS_WAVE with valid options WAVE_TRI, WAVE_SINE, WAVE_SQUARE */
 };
 
 static EffectSettings chorusfx_flanger_settings[] = {
@@ -174,7 +174,7 @@ static EffectSettings chorusfx_flanger_settings[] = {
     {"Flanger depth", 0.0, 99.0, FLANGER_DEPTH, CHORUSFX_POSITION},
     {"Flanger regen", 0.0, 99.0, FLANGER_REGEN, CHORUSFX_POSITION},
     {"Flanger level", 0.0, 99.0, FLANGER_LEVEL, CHORUSFX_POSITION},
-    // TODO: FLANGER_WAVE with valid options WAVE_TRI, WAVE_SINE, WAVE_SQUARE
+    /* TODO: FLANGER_WAVE with valid options WAVE_TRI, WAVE_SINE, WAVE_SQUARE */
 };
 
 static EffectSettings chorusfx_mxr_flanger_settings[] = {
@@ -189,7 +189,7 @@ static EffectSettings chorusfx_phaser_settings[] = {
     {"Phaser depth", 0.0, 99.0, PHASER_DEPTH, CHORUSFX_POSITION},
     {"Phaser regen", 0.0, 99.0, PHASER_REGEN, CHORUSFX_POSITION},
     {"Phaser level", 0.0, 99.0, PHASER_LEVEL, CHORUSFX_POSITION},
-    // TODO: PHASER_WAVE with valid options WAVE_TRI, WAVE_SINE, WAVE_SQUARE
+    /* TODO: PHASER_WAVE with valid options WAVE_TRI, WAVE_SINE, WAVE_SQUARE */
 };
 
 static EffectSettings chorusfx_vibrato_settings[] = {
@@ -208,19 +208,19 @@ static EffectSettings chorusfx_vibropan_settings[] = {
     {"Vibropan speed", 0.0, 99.0, VIBROPAN_SPEED, CHORUSFX_POSITION},
     {"Vibropan depth", 0.0, 99.0, VIBROPAN_DEPTH, CHORUSFX_POSITION},
     {"Vibropan vibra", 0.0, 99.0, VIBROPAN_VIBRA, CHORUSFX_POSITION},
-    // TODO: VIBROPAN_WAVE with valid options WAVE_TRI, WAVE_SINE, WAVE_SQUARE
+    /* TODO: VIBROPAN_WAVE with valid options WAVE_TRI, WAVE_SINE, WAVE_SQUARE */
 };
 
 static EffectSettings chorusfx_tremolo_settings[] = {
     {"Tremolo speed", 0.0, 99.0, TREMOLO_SPEED, CHORUSFX_POSITION},
     {"Tremolo depth", 0.0, 99.0, TREMOLO_DEPTH, CHORUSFX_POSITION},
-    // TODO: TREMOLO_WAVE with valid options WAVE_TRI, WAVE_SINE, WAVE_SQUARE
+    /* TODO: TREMOLO_WAVE with valid options WAVE_TRI, WAVE_SINE, WAVE_SQUARE */
 };
 
 static EffectSettings chorusfx_panner_settings[] = {
     {"Panner speed", 0.0, 99.0, PANNER_SPEED, CHORUSFX_POSITION},
     {"Panner depth", 0.0, 99.0, PANNER_DEPTH, CHORUSFX_POSITION},
-    // TODO: PANNER_WAVE with valid options WAVE_TRI, WAVE_SINE, WAVE_SQUARE
+    /* TODO: PANNER_WAVE with valid options WAVE_TRI, WAVE_SINE, WAVE_SQUARE */
 };
 
 static EffectSettings chorusfx_envelope_settings[] = {
@@ -248,15 +248,17 @@ static EffectSettings chorusfx_step_filter_settings[] = {
 static EffectSettings chorusfx_whammy_settings[] = {
     {"Whammy pedal", 0.0, 99.0, WHAMMY_PEDAL, CHORUSFX_POSITION},
     {"Whammy mix", 0.0, 99.0, WHAMMY_MIX, CHORUSFX_POSITION},
-    //TODO: WHAMMY_AMOUNT with valid options:
-    //      WHAMMY_OCT_UP, WHAMMY_2OCT_UP, WHAMMY_2ND_DN, WHAMMY_RV_2ND,
-    //      WHAMMY_4TH_DN, WHAMMY_OCT_DN, WHAMMY_2OCT_DN, WHAMMY_DIV_BMB,
-    //      WHAMMY_M3_MA, WHAMMY_2ND_MA3, WHAMMY_3RD_4TH, WHAMMY_4TH_5TH,
-    //      WHAMMY_5TH_OCT, WHAMMY_HOCT_UP, WHAMMY_HOCT_DN, WHAMMY_OCT_UD
+    /*
+       TODO: WHAMMY_AMOUNT with valid options:
+             WHAMMY_OCT_UP, WHAMMY_2OCT_UP, WHAMMY_2ND_DN, WHAMMY_RV_2ND,
+             WHAMMY_4TH_DN, WHAMMY_OCT_DN, WHAMMY_2OCT_DN, WHAMMY_DIV_BMB,
+             WHAMMY_M3_MA, WHAMMY_2ND_MA3, WHAMMY_3RD_4TH, WHAMMY_4TH_5TH,
+             WHAMMY_5TH_OCT, WHAMMY_HOCT_UP, WHAMMY_HOCT_DN, WHAMMY_OCT_UD
+    */
 };
 
 static EffectSettings chorusfx_pitch_shift_settings[] = {
-    // TODO: make this display propertly (display range -24 to 24)
+    /* TODO: make this display propertly (display range -24 to 24) */
     {"Pitch amount", 0.0, 48.0, PITCH_AMOUNT, CHORUSFX_POSITION},
     {"Pitch mix", 0.0, 99.0, PITCH_MIX, CHORUSFX_POSITION},
 };
@@ -267,63 +269,65 @@ static EffectSettings chorusfx_detune_settings[] = {
 };
 
 static EffectSettings chorusfx_ips_settings[] = {
-    // TODO: IPS_SHIFT_AMOUNT with valid options:
-    //       IPS_7TH_DN, IPS_6TH_DN, IPS_5TH_DN, IPS_4TH_DN, IPS_3RD_DN,
-    //       IPS_2ND_DN, IPS_2ND_UP, IPS_3RD_UP, IPS_4TH_UP, IPS_5TH_UP,
-    //       IPS_6TH_UP, IPS_7TH_UP, IPS_OCT_U
+    /*
+       TODO: IPS_SHIFT_AMOUNT with valid options:
+             IPS_7TH_DN, IPS_6TH_DN, IPS_5TH_DN, IPS_4TH_DN, IPS_3RD_DN,
+             IPS_2ND_DN, IPS_2ND_UP, IPS_3RD_UP, IPS_4TH_UP, IPS_5TH_UP,
+             IPS_6TH_UP, IPS_7TH_UP, IPS_OCT_U
 
-    // TODO: IPS_KEY with valid options:
-    //       IPS_E, IPS_F, IPS_GB, IPS_G, IPS_AB, IPS_A, IPS_BB, IPS_B,
-    //       IPS_C, IPS_DD, IPS_D, IPS_EB
+       TODO: IPS_KEY with valid options:
+             IPS_E, IPS_F, IPS_GB, IPS_G, IPS_AB, IPS_A, IPS_BB, IPS_B,
+             IPS_C, IPS_DD, IPS_D, IPS_EB
 
-    // TODO: IPS_SCALE with valid options:
-    //       IPS_MAJOR, IPS_MINOR, IPS_DORIA, IPS_MIXLYD, IPS_LYDIAN, IPS_HMINO
+       TODO: IPS_SCALE with valid options:
+             IPS_MAJOR, IPS_MINOR, IPS_DORIA, IPS_MIXLYD, IPS_LYDIAN, IPS_HMINO
+    */
 
     {"IPS level", 0.0, 99.0, IPS_LEVEL, CHORUSFX_POSITION},
 };
 
 static EffectSettings delay_analog_settings[] = {
-    // TODO: make this display propertly (10 msec to 5 sec)
+    /* TODO: make this display propertly (10 msec to 5 sec) */
     {"Delay time", 0.0, 139.0, DELAY_TIME, DELAY_POSITION},
     {"Delay analog level", 0.0, 99.0, ANALOG_LEVEL, DELAY_POSITION},
-    // TODO: make last value display propertly
+    /* TODO: make last value display propertly */
     {"Delay analog repeats", 0.0, 100.0, ANALOG_REPEATS, DELAY_POSITION},
 };
 
 static EffectSettings delay_digital_settings[] = {
-    // TODO: make this display propertly (10 msec to 5 sec)
+    /* TODO: make this display propertly (10 msec to 5 sec) */
     {"Delay time", 0.0, 139.0, DELAY_TIME, DELAY_POSITION},
     {"Delay digital level", 0.0, 99.0, DIGITAL_LEVEL, DELAY_POSITION},
-    // TODO: make last value display propertly
+    /* TODO: make last value display propertly */
     {"Delay digital repeats", 0.0, 100.0, DIGITAL_REPEATS, DELAY_POSITION},
     {"Delay digital ducker thresh", 0.0, 99.0, DIGITAL_DUCKER_THRESH, DELAY_POSITION},
     {"Delay digital ducker level", 0.0, 99.0, DIGITAL_DUCKER_LEVEL, DELAY_POSITION},
 };
 
 static EffectSettings delay_modulated_settings[] = {
-    // TODO: make this display propertly (10 msec to 5 sec)
+    /* TODO: make this display propertly (10 msec to 5 sec) */
     {"Delay time", 0.0, 139.0, DELAY_TIME, DELAY_POSITION},
     {"Delay modulated level", 0.0, 99.0, MODULATED_LEVEL, DELAY_POSITION},
-    // TODO: make last value display propertly
+    /* TODO: make last value display propertly */
     {"Delay modulated repeats", 0.0, 100.0, MODULATED_REPEATS, DELAY_POSITION},
     {"Delay modulated depth", 0.0, 99.0, MODULATED_DEPTH, DELAY_POSITION},
 };
 
 static EffectSettings delay_pong_settings[] = {
-    // TODO: make this display propertly (10 msec to 5 sec)
+    /* TODO: make this display propertly (10 msec to 5 sec) */
     {"Delay time", 0.0, 139.0, DELAY_TIME, DELAY_POSITION},
     {"Delay pong level", 0.0, 99.0, PONG_LEVEL, DELAY_POSITION},
-    // TODO: make last value display propertly
+    /* TODO: make last value display propertly */
     {"Delay pong repeats", 0.0, 100.0, PONG_REPEATS, DELAY_POSITION},
     {"Delay pong ducker thresh", 0.0, 99.0, PONG_DUCKER_THRESH, DELAY_POSITION},
     {"Delay pong ducker level", 0.0, 99.0, PONG_DUCKER_LEVEL, DELAY_POSITION},
 };
 
 static EffectSettings delay_tape_settings[] = {
-    // TODO: make this display propertly (10 msec to 5 sec)
+    /* TODO: make this display propertly (10 msec to 5 sec) */
     {"Delay time", 0.0, 139.0, DELAY_TIME, DELAY_POSITION},
     {"Delay tape level", 0.0, 99.0, TAPE_LEVEL, DELAY_POSITION},
-    // TODO: make last value display propertly
+    /* TODO: make last value display propertly */
     {"Delay tape repeats", 0.0, 100.0, TAPE_REPEATS, DELAY_POSITION},
     {"Delay tape wow", 0.0, 99.0, TAPE_WOW, DELAY_POSITION},
     {"Delay tape flutter", 0.0, 99.0, TAPE_FLUTTER, DELAY_POSITION},

gdigi.c

@@ -22,6 +22,10 @@
 #include "gdigi.h"
 #include "gui.h"
 
+static unsigned char device_id = 0x7F;
+static unsigned char family_id = 0x7F;
+static unsigned char product_id = 0x7F;
+
 static snd_rawmidi_t *output = NULL;
 static snd_rawmidi_t *input = NULL;
 static char *device = "hw:1,0,0";
@@ -47,6 +51,18 @@ char calculate_checksum(gchar *array, int length, int check)
     return checksum;
 }
 
+static char calc_checksum(gchar *array, gint length)
+{
+    int x;
+    int checksum = 0;
+
+    for (x = 0; x<length; x++) {
+        checksum ^= array[x];
+    }
+
+    return checksum;
+}
+
 /*
    opens MIDI device
    Returns TRUE on error
@@ -91,6 +107,7 @@ GString* read_data()
        by Clemens Ladisch <clemens@ladisch.de> */
     int err;
     int npfds;
+    gboolean stop = FALSE;
     struct pollfd *pfds;
     GString *string = NULL;
 
@@ -118,6 +135,7 @@ GString* read_data()
             break;
         if (!(revents & POLLIN))
             continue;
+
         err = snd_rawmidi_read(input, buf, sizeof(buf));
         if (err == -EAGAIN)
             continue;
@@ -125,11 +143,15 @@ GString* read_data()
             g_error("cannot read: %s", snd_strerror(err));
             break;
         }
+
         length = 0;
         for (i = 0; i < err; ++i)
-            if (buf[i] != 0xFE) // ignore active sensing
+            if (buf[i] != 0xFE) /* ignore active sensing */
                 buf[length++] = buf[i];
 
+        if ((unsigned char)buf[length-1] == 0xF7)
+            stop = TRUE;
+
         if (length != 0) {
             if (string == NULL) {
                 string = g_string_new_len(buf, length);
@@ -137,11 +159,114 @@ GString* read_data()
                 string = g_string_append_len(string, buf, length);
             }
         }
-     } while (err != 0);
+    } while ((err != 0) && (stop == FALSE));
 
     return string;
 }
 
+static void clear_midi_in_buffer()
+{
+    GString *str;
+
+    do {
+        str = read_data();
+    } while (str != NULL);
+}
+
+GString *pack_data(gchar *data, gint len)
+{
+    GString *packed;
+    gint i;
+    gint new_len;
+    unsigned char status;
+    gint offset;
+    gint status_byte;
+
+    new_len = len + (len/7);
+    packed = g_string_sized_new(new_len);
+    status = 0;
+    offset = -1;
+    status_byte = 0;
+
+    for (i=0; i<len; i++) {
+        if ((i % 7) == 0) {
+            packed->str[status_byte] = status;
+            status = 0;
+            status_byte = packed->len;
+            g_string_append_c(packed, '\0');
+        }
+        g_string_append_c(packed, (data[i] & 0x7F));
+        status |= (data[i] & 0x80) >> ((i%7) + 1);
+    }
+    packed->str[status_byte] = status;
+
+    return packed;
+}
+
+/*
+   data - unpacked data to send
+   len  - data length
+*/
+void send_message(gint procedure, gchar *data, gint len)
+{
+    GString *msg = g_string_new_len("\xF0"          /* SysEx status byte */
+                                    "\x00\x00\x10", /* Manufacturer ID   */
+                                    4);
+    g_string_append_printf(msg,
+                           "%c%c%c"   /* device, family, product ID */
+                           "%c",      /* procedure */
+                           device_id, family_id, product_id,
+                           procedure);
+
+    if (len > 0) {
+        GString *tmp = pack_data(data, len);
+        g_string_append_len(msg, tmp->str, tmp->len);
+        g_string_free(tmp, TRUE);
+    }
+
+    g_string_append_printf(msg, "%c\xF7",
+                           calc_checksum(&msg->str[1], msg->len - 1));
+
+    send_data(msg->str, msg->len);
+
+    g_string_free(msg, TRUE);
+}
+
+static gint get_message_id(GString *msg)
+{
+    if (msg->len > 7) {
+        return (unsigned char)msg->str[7];
+    }
+    return -1;
+}
+
+void append_value(GString *msg, guint value)
+{
+    /* check how many bytes long the value is */
+    guint temp = value;
+    gint n = 0;
+    do {
+        n++;
+        temp = temp >> 8;
+    } while (temp);
+
+    if (n == 1) {
+        if (value & 0x80)
+            n = 2;
+        else
+            g_string_append_printf(msg, "%c", value);
+    }
+
+    if (n > 1) {
+        gint x;
+        g_string_append_printf(msg, "%c", (n | 0x80));
+        for (x=0; x<n; x++) {
+            g_string_append_printf(msg, "%c",
+                                   ((value >> (8*(n-x-1))) & 0xFF));
+        }
+    }
+}
+
 /*
    id - ID as found in preset file
    position - Position as found in preset file
@@ -149,83 +274,26 @@ GString* read_data()
 */
 void set_option(guint id, guint position, guint value)
 {
-    static char option[] = {0xF0, 0x00, 0x00, 0x10, 0x00, 0x5E, 0x02, 0x41,
-                            0x00, 0x00, 0x00, /* ID */
-                            0x00, /* position */
-                            0x00, /* value length (not necesarry) */
-                            0x00, 0x00, 0x00, /* value (can be either 1, 2 or 3 bytes) */
-                            0x00, /* checksum */ 0xF7};
-
-    option[8] = ((id & 0x80) >> 2);
-
-    option[9] = ((id & 0xFF00) >> 8);
-    option[10] = ((id & 0x007F));
-
-    option[11] = position;
-
-    if (value < 0x80) {
-        // [12] = value, [13] - checksum, [14] = 0xF7
-        option[12] = value;
-
-        option[14] = 0xF7;
-        option[13] = calculate_checksum(option, 15, 13);
-
-        send_data(option, 15);
-    } else if (value <= 0xFF) {
-        option[8] |= 0x08; // there'll be length before value
-        if (((value & 0x80) >> 7) == 1)
-            option[8] |= 0x04;
-
-        option[12] = 0x01;
-        // [13] = value, [14] - checksum, [15] = 0xF7
-        option[13] = (value & 0x007F);
-
-        option[15] = 0xF7;
-        option[14] = calculate_checksum(option, 16, 14);
-
-        send_data(option, 16);
-    } else if (value <= 0xFFFF) {
-        option[8] |= 0x08; // there'll be length before value
-        if (((value & 0x80) >> 7) == 1)
-            option[8] |= 0x02;
-
-        option[12] = 0x02;
-
-        option[13] = ((value & 0xFF00) >> 8);
-        option[14] = ((value & 0x007F));
-
-        option[16] = 0xF7;
-        option[15] = calculate_checksum(option, 17, 15);
-
-        send_data(option, 17);
-    } else if (value <= 0xFFFFFF) {
-        option[8] |= 0x08; // there'll be length before value
-        if (((value & 0x80) >> 7) == 1)
-            option[8] |= 0x01;
-
-        option[12] = 0x03;
-
-        option[13] = ((value & 0xFF0000) >> 16);
-        option[14] = ((value & 0x00FF00) >> 8);
-        option[15] = ((value & 0x00007F));
-
-        option[17] = 0xF7;
-        option[16] = calculate_checksum(option, 18, 16);
-
-        send_data(option, 18);
-    }
+    GString *msg = g_string_sized_new(9);
+    g_string_append_printf(msg, "%c%c%c",
+                           ((id & 0xFF00) >> 8), (id & 0xFF),
+                           position);
+    append_value(msg, value);
+    send_message(RECEIVE_PARAMETER_VALUE, msg->str, msg->len);
+    g_string_free(msg, TRUE);
 }
 
 /* x = 0 to 60 */
 void switch_preset(guint bank, guint x)
 {
-    static char switch_preset[] = {0x00, 0xF0, 0x00, 0x00, 0x10, 0x00, 0x5E, 0x02, 0x39, 0x00, 0x00 /* bank */, 0x00 /* no */, 0x04, 0x00, 0x00, 0x01, 0x00 /* confirm */, 0xF7};
-
-    switch_preset[10] = bank;
-    switch_preset[11] = x;
-    switch_preset[16] = calculate_checksum(switch_preset, sizeof(switch_preset), 16);
-
-    send_data(switch_preset, sizeof(switch_preset));
+    GString *msg = g_string_sized_new(6);
+    g_string_append_printf(msg, "%c%c%c%c%c%c",
+                           bank, x,                /* source */
+                           PRESETS_EDIT_BUFFER, 0, /* destination */
+                           0,                      /* keep existing name */
+                           1);                     /* load */
+    send_message(MOVE_PRESET, msg->str, msg->len);
+    g_string_free(msg, TRUE);
 }
 
 /* level = 0 to 99 */
@@ -236,63 +304,26 @@ void set_preset_level(int level)
 
 void store_preset_name(int x, const gchar *name)
 {
-    static char set_name[] = {0xF0, 0x00, 0x00, 0x10, 0x00, 0x5e, 0x02, 0x39, 0x00, 0x04, 0x00, 0x01, 0x00 /* preset number */, 0x00 /* name starts here */, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
-
-    set_name[12] = x;
-
-    int a;
-    int b;
-    b = 0;
-    for (a=0; (name != NULL && a<strlen(name)) && a<10 ; a++) {
-        if (a == 3) {
-            set_name[13+a] = 0x00;
-            b++;
-        }
-        set_name[13+a+b] = name[a];
-    }
-
-    if (a == 3) {
-        set_name[13+a+1+b] = 0x00;
-        a++;
-    } else
-        set_name[13+a+b] = 0x00;
-
-    set_name[13+a+1+b] = 0x00;
-    set_name[13+a+3+b] = 0xF7;
-    set_name[13+a+2+b] = calculate_checksum(set_name, 13+a+4+b, 13+a+2+b);
-
-    send_data(set_name, 14+a+3+b);
-
-    switch_preset(PRESETS_USER, x);
+    GString *msg = g_string_sized_new(6);
+    g_string_append_printf(msg, "%c%c%c%c%s%c%c",
+                           PRESETS_EDIT_BUFFER, 0, /* source */
+                           PRESETS_USER, x,        /* destination */
+                           name, 0,                /* name */
+                           1);                     /* load */
+    send_message(MOVE_PRESET, msg->str, msg->len);
+    g_string_free(msg, TRUE);
 }
 
 /* x = 0 to 59 (preset number) */
 void set_preset_name(int x, gchar *name)
 {
-    static char set_name[] = {0x00, 0xF0, 0x00, 0x00, 0x10, 0x00, 0x5E, 0x02, 0x29, 0x00, 0x01, 0x00 /* preset no */, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
-
-    set_name[11] = x;
-
-    int a;
-    int b;
-    b = 0;
-    for (a=0; (name != NULL && a<strlen(name)) && a<10 ; a++) {
-        if (a == 5) {
-            set_name[12+a] = 0x00;
-            b++;
-        }
-        set_name[12+a+b] = name[a];
-    }
-
-    if (a == 5)
-        a = 4;
-    else
-        set_name[12+a+b] = 0x00;
-
-    set_name[12+a+2+b] = 0xF7;
-    set_name[12+a+1+b] = calculate_checksum(set_name, 12+a+3+b, 12+a+1+b);
-
-    send_data(set_name, 13+a+3+b);
+    GString *msg = g_string_sized_new(12);
+    g_string_append_printf(msg, "%c%c%s%c",
+                           PRESETS_USER,    /* preset bank */
+                           x,               /* preset index */
+                           name, 0);        /* name */
+    send_message(RECEIVE_PRESET_NAME, msg->str, msg->len);
+    g_string_free(msg, TRUE);
 }
 
 /*
@@ -301,7 +332,7 @@ void set_preset_name(int x, gchar *name)
     Returns GStrv which must be freed with g_strfreev
     Returns NULL on error
 */
-GStrv query_preset_names(guint bank)
+GStrv query_preset_names(gchar bank)
 {
     GString *data = NULL;
     int x;                    /* used to iterate over whole reply */
@@ -310,18 +341,17 @@ GStrv query_preset_names(guint bank)
     gchar **str_array = NULL;
 
     /* clear MIDI IN buffer */
-    data = read_data();
-    if (data != NULL)
-        g_string_free(data, TRUE);
+    clear_midi_in_buffer();
 
     /* query user preset names */
-    char command[] = {0xF0, 0x00, 0x00, 0x10, 0x00, 0x5E, 0x02, 0x21, 0x00, 0x00 /* bank */, 0x00 /* checksum */, 0xF7};
-    command[9] = bank;
-    command[10] = calculate_checksum(command, sizeof(command), 10);
-    send_data(command, sizeof(command));
+    send_message(REQUEST_PRESET_NAMES, &bank, 1);
 
     /* read reply */
+    do {
+        if (data)
+            g_string_free(data, TRUE);
         data = read_data();
+    } while (get_message_id(data) != RECEIVE_PRESET_NAMES);
 
     if (data != NULL) {
         char preset_reply_magic[] = {0xF0, 0x00, 0x00, 0x10, 0x00, 0x5E, 0x02, 0x22, 0x00, 0x01};
@@ -336,13 +366,13 @@ GStrv query_preset_names(guint bank)
             }
 
             for (x=11; ((x<data->len) && (n<n_total)); x++) {
-                if ((x % 8) == 0) // every 8th byte is 0x00
+                if ((x % 8) == 0) /* every 8th byte is 0x00 */
                     continue;
 
-                if (data->str[x] == 0xF7) // every message ends with 0xF7
+                if (data->str[x] == 0xF7) /* every message ends with 0xF7 */
                     break;
 
-                if (data->str[x] == 0) { // presets are splitted with 0x00
+                if (data->str[x] == 0) { /* presets are splitted with 0x00 */
                     gchar *name;
 
                     name = g_new(gchar, b+1);
@@ -368,6 +398,72 @@ GStrv query_preset_names(guint bank)
     return str_array;
 }
 
+static void unpack_message(GString *msg)
+{
+    int offset;
+    int x;
+    int i;
+    unsigned char status;
+    gboolean finish = FALSE;
+
+    offset = 9;
+    x = 0;
+    i = 8;
+
+    do {
+        status = (unsigned char)msg->str[offset-1];
+        for (x=0; x<7; x++) {
+            if ((unsigned char)msg->str[offset+x] == 0xF7) {
+                msg->str[i] = 0xF7;
+                finish = TRUE;
+            }
+
+            msg->str[i] = (((status << (x+1)) & 0x80) | (unsigned char)msg->str[x+offset]);
+            i++;
+        }
+        offset += 8;
+    } while (finish == FALSE && offset < msg->len);
+}
+
+GString *get_current_preset()
+{
+    GString *data = NULL;
+
+    /* clear MIDI IN buffer */
+    clear_midi_in_buffer();
+
+    send_message(REQUEST_PRESET, "\x04\x00", 3);
+
+    /* read reply */
+    data = read_data();
+    g_string_free(data, TRUE);
+
+    data = read_data();
+
+    unpack_message(data);
+
+    return data;
+}
+
+static gboolean request_who_am_i(unsigned char *device_id, unsigned char *family_id,
+                                 unsigned char *product_id)
+{
+    send_message(REQUEST_WHO_AM_I, NULL, 0);
+
+    GString *data = read_data();
+    if (data != NULL) {
+        if ((data->len == 15) && (data->str[7] == RECEIVE_WHO_AM_I)) {
+            *device_id = data->str[9];
+            *family_id = data->str[10];
+            *product_id = data->str[11];
+            g_string_free(data, TRUE);
+            return TRUE;
+        }
+        g_string_free(data, TRUE);
+    }
+    return FALSE;
+}
+
 static GOptionEntry options[] = {
     {"device", 'd', G_OPTION_FLAG_IN_MAIN, G_OPTION_ARG_STRING, &device, "MIDI device port to use", NULL},
     {NULL}
@@ -390,17 +486,15 @@ int main(int argc, char *argv[]) {
     g_option_context_free(context);
 
     if (open_device() == TRUE) {
-        GtkWidget *msg = gtk_message_dialog_new(NULL, GTK_DIALOG_MODAL,
-                                                GTK_MESSAGE_ERROR,
-                                                GTK_BUTTONS_OK,
-                                                "Failed to open MIDI device");
-
-        gtk_dialog_run(GTK_DIALOG(msg));
-        gtk_widget_destroy(msg);
+        show_error_message(NULL, "Failed to open MIDI device");
+    } else {
+        if (request_who_am_i(&device_id, &family_id, &product_id) == FALSE) {
+            show_error_message(NULL, "No suitable reply from device - is it connected?");
         } else {
             create_window();
             gtk_main();
         }
+    }
 
     if (output != NULL)
         snd_rawmidi_close(output);

gdigi.h

@@ -436,49 +436,6 @@ enum {
 #define EMT240_PLATE_LIVELINESS 1933
 #define EMT240_PLATE_LEVEL 1925
 
-enum {
-  EXP_TYPE_NONE = 0,
-  EXP_TYPE_PICKUP_ENABLE = 131137,
-  EXP_TYPE_PIKCUP_TYPE = 131136,
-  EXP_TYPE_COMP_ENABLE = 262337,
-  EXP_TYPE_COMP_SUST = 262352,
-  EXP_TYPE_COMP_TONE = 262353,
-  EXP_TYPE_COMP_LEVEL = 262354,
-  EXP_TYPE_COMP_ATTACK = 262355,
-  EXP_TYPE_DIST_ENABLE = 395649,
-  EXP_TYPE_DIST_DISTORTION = 395653,
-  EXP_TYPE_DIST_FILTER = 395654,
-  EXP_TYPE_DIST_VOLUME = 395655,
-  EXP_TYPE_AMP_ENABLE = 524553,
-  EXP_TYPE_AMP_GAIN = 526785,
-  EXP_TYPE_AMP_LEVEL = 526786,
-  EXP_TYPE_EQ_ENABLE = 1576076,
-  EXP_TYPE_EQ_BASS = 1576067,
-  EXP_TYPE_EQ_MID = 1576068,
-  EXP_TYPE_EQ_TREB = 1576069,
-  EXP_TYPE_GATE_ENABLE = 787137,
-  EXP_TYPE_GATE_THRESHOLD = 787142,
-  EXP_TYPE_GATE_ATTACK = 787144,
-  EXP_TYPE_GATE_RELEASE = 787145,
-  EXP_TYPE_GATE_ATTN = 787146,
-  EXP_TYPE_CHORUSFX_ENABLE = 918273,
-  EXP_TYPE_PHASER_SPEED = 918466,
-  EXP_TYPE_PHASER_DEPTH = 918467,
-  EXP_TYPE_PHASER_REGEN = 918470,
-  EXP_TYPE_PHASER_WAVEFORM = 918471,
-  EXP_TYPE_PHASER_LEVEL = 918469,
-  EXP_TYPE_DELAY_ENABLE = 984897,
-  EXP_TYPE_DELAY_TIME = 984928,
-  EXP_TYPE_DELAY_REPEATS = 984903,
-  EXP_TYPE_DELAY_LEVEL = 984900,
-  EXP_TYPE_DELAY_DUCK_THRESH = 984929,
-  EXP_TYPE_DELAY_DUCK_LEVEL = 984930,
-  EXP_TYPE_REVERB_ENABLE = 1050497,
-  EXP_TYPE_REVERB_LEVEL = 1050501,
-  EXP_TYPE_VOLUME_PRE_FX = 854594,
-  EXP_TYPE_VOLUME_POST_FX = 1116738
-};
-
 #define EXP_TYPE 8194
 #define EXP_POSITION 19
 
@@ -489,15 +446,81 @@ enum {
 #define USB_AUDIO_PLAYBACK_MIX 12297
 #define USB_AUDIO_LEVEL 12307
 
-typedef enum {
+enum {
     PRESETS_SYSTEM = 0,
-  PRESETS_USER = 1
-} PresetBank;
+    PRESETS_USER = 1,
+    PRESETS_ARTIST = 2,
 
+    /* Version 1 and later */
+    PRESETS_MEDIA_CARD = 3,
+    PRESETS_EDIT_BUFFER = 4, /* Current preset edit buffer, index must be 0 */
+    PRESETS_FACTORY2 = 5,
+
+    /* Version 2 and later */
+    PRESETS_EXTERNAL = 6
+};
+
+enum {
+    REQUEST_WHO_AM_I = 0x01,
+    RECEIVE_WHO_AM_I = 0x02,
+
+    REQUEST_DEVICE_CONFIGURATION = 0x08,
+    RECEIVE_DEVICE_CONFIGURATION = 0x09,
+
+    REQUEST_GLOBAL_PARAMETERS = 0x10,
+    RECEIVE_GLOBAL_PARAMETERS = 0x11,
+
+    REQUEST_BULK_DUMP = 0x18,
+    RECEIVE_BULK_DUMP_START = 0x19,
+    RECEIVE_BULK_DUMP_END = 0x1B,
+
+    REQUEST_PRESET_NAMES = 0x21,
+    RECEIVE_PRESET_NAMES = 0x22,
+
+    REQUEST_PRESET_NAME = 0x28,
+    RECEIVE_PRESET_NAME = 0x29,
+
+    REQUEST_PRESET = 0x2A,
+    RECEIVE_PRESET_START = 0x2B,
+    RECEIVE_PRESET_END = 0x2C,
+    RECEIVE_PRESET_PARAMETERS = 0x2D,
+
+    LOAD_EDIT_BUFFER_PRESET = 0x38, /* version 0 only
+                                       use move preset in later versions */
+
+    MOVE_PRESET = 0x39,
+
+    REQUEST_MODIFIER_LINKABLE_LIST = 0x3A,
+    RECEIVE_MOFIFIER_LINKABLE_LIST = 0x3B,
+
+    REQUEST_PARAMETER_VALUE = 0x40,
+    RECEIVE_PARAMETER_VALUE = 0x41,
+
+    /* version 1 and later */
+    REQUEST_OBJECT_NAMES = 0x50,
+    RECEIVE_OBJECT_NAMES = 0x51,
+    REQUEST_OBJECT_NAME = 0x52,
+    RECEIVE_OBJECT_NAME = 0x53,
+    REQUEST_OBJECT = 0x54,
+    RECEIVE_OBJECT = 0x55,
+    MOVE_OBJECT = 0x56,
+    DELETE_OBJECT = 0x57,
+    REQUEST_TABLE = 0x5A,
+    RECEIVE_TABLE = 0x5B,
+
+    RECEIVE_DEVICE_NOTIFICATION = 0x70,
+
+    ACK = 0x7E,
+    NACK = 0x7F
+};
+
+void send_message(gint procedure, gchar *data, gint len);
+void append_value(GString *msg, guint value);
 void set_option(guint id, guint position, guint value);
 void switch_preset(guint bank, guint x);
 void store_preset_name(int x, const gchar *name);
 void set_preset_level(int level);
-GStrv query_preset_names(PresetBank bank);
+GStrv query_preset_names(gchar bank);
+GString *get_current_preset();
 
 #endif /* GDIGI_H */

gui.c

@@ -23,6 +23,21 @@
 extern EffectList effects[];
 extern int n_effects;
 
+static gboolean allow_send = FALSE;
+
+void show_error_message(GtkWidget *parent, gchar *message)
+{
+    g_return_if_fail(message != NULL);
+
+    GtkWidget *msg = gtk_message_dialog_new(NULL, GTK_DIALOG_MODAL,
+                                            GTK_MESSAGE_ERROR,
+                                            GTK_BUTTONS_OK,
+                                            message);
+
+    gtk_dialog_run(GTK_DIALOG(msg));
+    gtk_widget_destroy(msg);
+}
+
 typedef struct {
     GtkWidget *widget;
     gint id;
@@ -37,17 +52,21 @@ void value_changed_option_cb(GtkSpinButton *spinbutton, EffectSettings *setting)
 {
     g_return_if_fail(setting != NULL);
 
-    int val = gtk_spin_button_get_value_as_int(spinbutton);
+    if (allow_send) {
+        gint val = gtk_spin_button_get_value_as_int(spinbutton);
         set_option(setting->option, setting->position, val);
     }
+}
 
 void toggled_cb(GtkToggleButton *button, Effect *effect)
 {
     g_return_if_fail(effect != NULL);
 
+    if (allow_send) {
         guint val = gtk_toggle_button_get_active(button);
         set_option(effect->option, effect->position, val);
     }
+}
 
 static void widget_list_add(GList **list, GtkWidget *widget, gint id, gint position, gint value, gint x)
 {
@@ -63,6 +82,46 @@ static void widget_list_add(GList **list, GtkWidget *widget, gint id, gint posit
     *list = g_list_prepend(*list, el);
 }
 
+static void apply_widget_setting(WidgetListElem *el, SettingParam *param)
+{
+    if ((el->id == param->id) && (el->position == param->position)) {
+        if (el->value == -1) {
+            if (GTK_IS_TOGGLE_BUTTON(el->widget))
+                gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(el->widget), (param->value == 0) ? FALSE : TRUE);
+            else if (GTK_IS_SPIN_BUTTON(el->widget))
+                gtk_spin_button_set_value(GTK_SPIN_BUTTON(el->widget), param->value);
+        } else { /* combo box */
+            if (el->value == param->value)
+                gtk_combo_box_set_active(GTK_COMBO_BOX(el->widget), el->x);
+        }
+    }
+}
+
+static void apply_preset_to_gui(GList *list, Preset *preset)
+{
+    allow_send = FALSE;
+
+    GList *iter = preset->params;
+    while (iter) {
+        SettingParam *param = iter->data;
+        iter = iter->next;
+
+        if (param != NULL)
+            g_list_foreach(list, (GFunc)apply_widget_setting, param);
+    }
+
+    allow_send = TRUE;
+}
+
+static void apply_current_preset(GList *list)
+{
+    GString *msg = get_current_preset();
+    Preset *preset = create_preset_from_data(msg);
+    g_string_free(msg, TRUE);
+    apply_preset_to_gui(list, preset);
+    preset_free(preset);
+}
+
 GtkWidget *create_table(GList **list, EffectSettings *settings, gint amt)
 {
     GtkWidget *table, *label, *widget;
@@ -73,7 +132,7 @@ GtkWidget *create_table(GList **list, EffectSettings *settings, gint amt)
 
     for (x = 0; x<amt; x++) {
         label = gtk_label_new(settings[x].label);
-        adj = gtk_adjustment_new(0.0, settings[x].min, settings[x].max, 1.0, 1.0, 1.0);
+        adj = gtk_adjustment_new(0.0, settings[x].min, settings[x].max, 1.0, 1.0, 0.0);
         widget = gtk_spin_button_new(GTK_ADJUSTMENT(adj), 1.0, 0);
         g_signal_connect(G_OBJECT(widget), "value-changed", G_CALLBACK(value_changed_option_cb), &settings[x]);
         widget_list_add(list, widget, settings[x].option, settings[x].position, -1, -1);
@@ -126,7 +185,7 @@ void combo_box_changed_cb(GtkComboBox *widget, gpointer data)
         settings = g_object_get_data(G_OBJECT(widget), name);
         g_free(name);
 
-        if (settings != NULL)
+        if (settings != NULL && allow_send)
             set_option(settings->option, settings->position, settings->id);
 
         child = g_object_get_data(G_OBJECT(widget), "active_child");
@@ -224,8 +283,12 @@ void row_activate_cb(GtkTreeView *treeview, GtkTreePath *path, GtkTreeViewColumn
     gtk_tree_model_get_iter(model, &iter, path);
     gtk_tree_model_get(model, &iter, PRESET_NUMBER_COLUMN, &id, PRESET_BANK_COLUMN, &bank, -1);
 
-    if ((bank != -1) && (id != -1))
+    if ((bank != -1) && (id != -1)) {
+        GList **list = g_object_get_data(G_OBJECT(treeview), "widgets-list");
         switch_preset(bank, id);
+        if (*list != NULL)
+            apply_current_preset(*list);
+    }
 }
 
 static void fill_store_with_presets(GtkTreeStore *model, guint bank, gchar *name)
@@ -259,7 +322,7 @@ static void fill_store(GtkTreeStore *model)
     fill_store_with_presets(model, PRESETS_SYSTEM, "System Presets");
 }
 
-GtkWidget *create_preset_tree()
+GtkWidget *create_preset_tree(GList **list)
 {
     GtkWidget *treeview;
     GtkTreeStore *store;
@@ -281,6 +344,8 @@ GtkWidget *create_preset_tree()
     g_signal_connect(G_OBJECT(treeview), "realize", G_CALLBACK(gtk_tree_view_expand_all), NULL);
     g_signal_connect(G_OBJECT(treeview), "row-activated", G_CALLBACK(row_activate_cb), GTK_TREE_MODEL(store));
 
+    g_object_set_data(G_OBJECT(treeview), "widgets-list", list);
+
     return treeview;
 }
 
@@ -332,33 +397,6 @@ static void show_store_preset_window(GtkWidget *window, gchar *default_name)
     gtk_widget_destroy(dialog);
 }
 
-static void apply_widget_setting(WidgetListElem *el, SettingParam *param)
-{
-    if ((el->id == param->id) && (el->position == param->position)) {
-        if (el->value == -1) {
-            if (GTK_IS_TOGGLE_BUTTON(el->widget))
-                gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(el->widget), (param->value == 0) ? FALSE : TRUE);
-            else if (GTK_IS_SPIN_BUTTON(el->widget))
-                gtk_spin_button_set_value(GTK_SPIN_BUTTON(el->widget), param->value);
-        } else { /* combo box */
-            if (el->value == param->value)
-                gtk_combo_box_set_active(GTK_COMBO_BOX(el->widget), el->x);
-        }
-    }
-}
-
-static void apply_preset_to_gui(GList *list, Preset *preset)
-{
-    GList *iter = preset->params;
-    while (iter) {
-        SettingParam *param = iter->data;
-        iter = iter->next;
-
-        if (param != NULL)
-            g_list_foreach(list, (GFunc)apply_widget_setting, param);
-    }
-}
-
 static void action_store_cb(GtkAction *action)
 {
     GtkWidget *window = g_object_get_data(G_OBJECT(action), "window");
@@ -435,19 +473,41 @@ static void action_open_preset_cb(GtkAction *action)
 
             gtk_widget_hide(dialog);
 
+            GString *msg = g_string_sized_new(500);
             GList *iter = preset->params;
+            gint len = g_list_length(iter);
+
+            g_string_append_printf(msg, "%c%c",
+                                   ((len & 0xFF00) >> 8),
+                                   (len & 0xFF));
+
             while (iter) {
                 SettingParam *param = iter->data;
                 iter = iter->next;
 
-                /* sending those is likely to freeze/reboot device */
-                if ((param->id == 8704) || (param->id == 8705))
-                    continue;
+                g_string_append_printf(msg, "%c%c%c",
+                                       ((param->id & 0xFF00) >> 8),
+                                       (param->id & 0xFF),
+                                       param->position);
 
-                set_option(param->id, param->position, param->value);
+                append_value(msg, param->value);
             };
+
+            GString *start = g_string_new(NULL);
+            g_string_append_printf(start,
+                                   "%c%c%s%c%c%c",
+                                   PRESETS_EDIT_BUFFER, 0,
+                                   preset->name, 0 /* NULL terminated string */,
+                                   0 /* modified */, 2 /* messages to follow */);
+
+            send_message(RECEIVE_PRESET_START, start->str, start->len);
+            send_message(RECEIVE_PRESET_PARAMETERS, msg->str, msg->len);
+            send_message(RECEIVE_PRESET_END, NULL, 0);
+
             show_store_preset_window(window, preset->name);
 
+            g_string_free(start, TRUE);
+            g_string_free(msg, TRUE);
             preset_free(preset);
             loaded = TRUE;
         }
@@ -572,7 +632,7 @@ void create_window()
     gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(sw), GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
     gtk_box_pack_start(GTK_BOX(hbox), sw, FALSE, FALSE, 0);
 
-    widget = create_preset_tree();
+    widget = create_preset_tree(&list);
     gtk_container_add(GTK_CONTAINER(sw), widget);
 
     vbox = gtk_vbox_new(FALSE, 0);
@@ -587,6 +647,7 @@ void create_window()
         gtk_box_pack_start(GTK_BOX(hbox), widget, TRUE, TRUE, 2);
     }
 
+    apply_current_preset(list);
     gtk_widget_show_all(window);
 
     g_signal_connect(G_OBJECT(window), "delete_event", G_CALLBACK(gtk_main_quit), NULL);

gui.h

@@ -17,6 +17,7 @@
 #ifndef GDIGI_GUI_H
 #define GDIGI_GUI_H
 
+void show_error_message(GtkWidget *parent, gchar *message);
 void create_window();
 
 #endif /* GDIGI_GUI_H */

preset.c

@@ -165,6 +165,54 @@ Preset *create_preset_from_xml_file(gchar *filename)
     return preset;
 }
 
+Preset *create_preset_from_data(GString *data)
+{
+    gint total;
+    gint n;
+    gint id;
+    gint position;
+    guint value;
+    gint x;
+    gint tmp;
+
+    x = 0x09;
+    n = 0;
+    total = (unsigned char)data->str[x];
+    x++;
+
+    Preset *preset = g_malloc(sizeof(Preset));
+    preset->name = NULL; /* TODO */
+    preset->params = NULL;
+
+    do {
+        id = ((unsigned char)data->str[x] << 8) | (unsigned char)data->str[x+1];
+        position = (unsigned char)data->str[x+2];
+        x+=3;
+        value = data->str[x];
+        x++;
+        if (value > 0x80) {
+            tmp = value & 0x7F;
+            value = 0;
+            gint i;
+            for (i=0; i<tmp; i++) {
+                value |= ((unsigned char)data->str[x+i] << (8*(tmp-i-1)));
+            }
+            x+=tmp;
+        }
+        n++;
+        SettingParam *param = (SettingParam *)g_malloc(sizeof(SettingParam));
+        param->id = id;
+        param->position = position;
+        param->value = value;
+        preset->params = g_list_prepend(preset->params, param);
+        g_message("%d ID %d Position %d Value %d", n, id, position, value);
+    } while ((x < data->len) && n<total);
+    g_message("TOTAL %d", total);
+    preset->params = g_list_reverse(preset->params);
+
+    return preset;
+}
+
 void preset_free(Preset *preset)
 {
     g_return_if_fail(preset != NULL);

preset.h

@@ -31,6 +31,7 @@ typedef struct {
 } Preset;
 
 Preset *create_preset_from_xml_file(gchar *filename);
+Preset *create_preset_from_data(GString *data);
 void preset_free(Preset *preset);
 
 #endif /* GDIGI_PRESET_H */

tests.c

@@ -620,247 +620,6 @@ void test_reverb()
     set_option(REVERB_ON_OFF, REVERB_POSITION, 0);
 }
 
-void test_exp()
-{
-    int x;
-
-    set_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_NONE);
-
-    set_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_PICKUP_ENABLE);
-    for (x=0; x<=1; x++)
-        set_option(EXP_MIN, EXP_POSITION, x);
-    for (x=0; x<=1; x++)
-        set_option(EXP_MAX, EXP_POSITION, x);
-
-    set_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_PIKCUP_TYPE);
-    for (x=0; x<=1; x++)
-        set_option(EXP_MIN, EXP_POSITION, x);
-    for (x=0; x<=1; x++)
-        set_option(EXP_MAX, EXP_POSITION, x);
-
-    set_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_COMP_ENABLE);
-    for (x=0; x<=1; x++)
-        set_option(EXP_MIN, EXP_POSITION, x);
-    for (x=0; x<=1; x++)
-        set_option(EXP_MAX, EXP_POSITION, x);
-
-    set_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_COMP_SUST);
-    for (x=0; x<=99; x++)
-        set_option(EXP_MIN, EXP_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(EXP_MAX, EXP_POSITION, x);
-
-    set_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_COMP_TONE);
-    for (x=0; x<=99; x++)
-        set_option(EXP_MIN, EXP_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(EXP_MAX, EXP_POSITION, x);
-
-    set_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_COMP_LEVEL);
-    for (x=0; x<=99; x++)
-        set_option(EXP_MIN, EXP_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(EXP_MAX, EXP_POSITION, x);
-
-    set_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_COMP_ATTACK);
-    for (x=0; x<=99; x++)
-        set_option(EXP_MIN, EXP_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(EXP_MAX, EXP_POSITION, x);
-
-    set_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_DIST_ENABLE);
-    for (x=0; x<=1; x++)
-        set_option(EXP_MIN, EXP_POSITION, x);
-    for (x=0; x<=1; x++)
-        set_option(EXP_MAX, EXP_POSITION, x);
-
-    set_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_DIST_DISTORTION);
-    for (x=0; x<=99; x++)
-        set_option(EXP_MIN, EXP_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(EXP_MAX, EXP_POSITION, x);
-
-    set_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_DIST_FILTER);
-    for (x=0; x<=99; x++)
-        set_option(EXP_MIN, EXP_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(EXP_MAX, EXP_POSITION, x);
-
-    set_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_DIST_VOLUME);
-    for (x=0; x<=99; x++)
-        set_option(EXP_MIN, EXP_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(EXP_MAX, EXP_POSITION, x);
-
-    set_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_AMP_ENABLE);
-    for (x=0; x<=1; x++)
-        set_option(EXP_MIN, EXP_POSITION, x);
-    for (x=0; x<=1; x++)
-        set_option(EXP_MAX, EXP_POSITION, x);
-
-    set_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_AMP_GAIN);
-    for (x=0; x<=99; x++)
-        set_option(EXP_MIN, EXP_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(EXP_MAX, EXP_POSITION, x);
-
-    set_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_AMP_LEVEL);
-    for (x=0; x<=99; x++)
-        set_option(EXP_MIN, EXP_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(EXP_MAX, EXP_POSITION, x);
-
-    set_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_EQ_ENABLE);
-    for (x=0; x<=1; x++)
-        set_option(EXP_MIN, EXP_POSITION, x);
-    for (x=0; x<=1; x++)
-        set_option(EXP_MAX, EXP_POSITION, x);
-
-    set_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_EQ_BASS);
-    for (x=0; x<=24; x++)
-        set_option(EXP_MIN, EXP_POSITION, x);
-    for (x=0; x<=24; x++)
-        set_option(EXP_MAX, EXP_POSITION, x);
-
-    set_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_EQ_MID);
-    for (x=0; x<=24; x++)
-        set_option(EXP_MIN, EXP_POSITION, x);
-    for (x=0; x<=24; x++)
-        set_option(EXP_MAX, EXP_POSITION, x);
-
-    set_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_EQ_TREB);
-    for (x=0; x<=24; x++)
-        set_option(EXP_MIN, EXP_POSITION, x);
-    for (x=0; x<=24; x++)
-        set_option(EXP_MAX, EXP_POSITION, x);
-
-    set_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_GATE_ENABLE);
-    for (x=0; x<=1; x++)
-        set_option(EXP_MIN, EXP_POSITION, x);
-    for (x=0; x<=1; x++)
-        set_option(EXP_MAX, EXP_POSITION, x);
-
-    set_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_GATE_THRESHOLD);
-    for (x=0; x<=99; x++)
-        set_option(EXP_MIN, EXP_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(EXP_MAX, EXP_POSITION, x);
-
-    set_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_GATE_ATTACK);
-    for (x=0; x<=99; x++)
-        set_option(EXP_MIN, EXP_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(EXP_MAX, EXP_POSITION, x);
-
-    set_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_GATE_RELEASE);
-    for (x=0; x<=99; x++)
-        set_option(EXP_MIN, EXP_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(EXP_MAX, EXP_POSITION, x);
-
-    set_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_GATE_ATTN);
-    for (x=0; x<=99; x++)
-        set_option(EXP_MIN, EXP_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(EXP_MAX, EXP_POSITION, x);
-
-    set_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_CHORUSFX_ENABLE);
-    for (x=0; x<=1; x++)
-        set_option(EXP_MIN, EXP_POSITION, x);
-    for (x=0; x<=1; x++)
-        set_option(EXP_MAX, EXP_POSITION, x);
-
-    set_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_PHASER_SPEED);
-    for (x=0; x<=99; x++)
-        set_option(EXP_MIN, EXP_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(EXP_MAX, EXP_POSITION, x);
-
-    set_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_PHASER_DEPTH);
-    for (x=0; x<=99; x++)
-        set_option(EXP_MIN, EXP_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(EXP_MAX, EXP_POSITION, x);
-
-    set_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_PHASER_REGEN);
-    for (x=0; x<=99; x++)
-        set_option(EXP_MIN, EXP_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(EXP_MAX, EXP_POSITION, x);
-
-    set_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_PHASER_WAVEFORM);
-    for (x=0; x<=2; x++)
-        set_option(EXP_MIN, EXP_POSITION, x);
-    for (x=0; x<=2; x++)
-        set_option(EXP_MAX, EXP_POSITION, x);
-
-    set_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_PHASER_LEVEL);
-    for (x=0; x<=99; x++)
-        set_option(EXP_MIN, EXP_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(EXP_MAX, EXP_POSITION, x);
-
-    set_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_DELAY_ENABLE);
-    for (x=0; x<=1; x++)
-        set_option(EXP_MIN, EXP_POSITION, x);
-    for (x=0; x<=1; x++)
-        set_option(EXP_MAX, EXP_POSITION, x);
-
-    set_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_DELAY_TIME);
-    for (x=0; x<=139; x++)
-        set_option(EXP_MIN, EXP_POSITION, x);
-    for (x=0; x<=139; x++)
-        set_option(EXP_MAX, EXP_POSITION, x);
-
-    set_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_DELAY_REPEATS);
-    for (x=0; x<=100; x++)
-        set_option(EXP_MIN, EXP_POSITION, x);
-    for (x=0; x<=100; x++)
-        set_option(EXP_MAX, EXP_POSITION, x);
-
-    set_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_DELAY_LEVEL);
-    for (x=0; x<=99; x++)
-        set_option(EXP_MIN, EXP_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(EXP_MAX, EXP_POSITION, x);
-
-    set_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_DELAY_DUCK_THRESH);
-    for (x=0; x<=99; x++)
-        set_option(EXP_MIN, EXP_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(EXP_MAX, EXP_POSITION, x);
-
-    set_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_DELAY_DUCK_LEVEL);
-    for (x=0; x<=99; x++)
-        set_option(EXP_MIN, EXP_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(EXP_MAX, EXP_POSITION, x);
-
-    set_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_REVERB_ENABLE);
-    for (x=0; x<=1; x++)
-        set_option(EXP_MIN, EXP_POSITION, x);
-    for (x=0; x<=1; x++)
-        set_option(EXP_MAX, EXP_POSITION, x);
-
-    set_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_REVERB_LEVEL);
-    for (x=0; x<=99; x++)
-        set_option(EXP_MIN, EXP_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(EXP_MAX, EXP_POSITION, x);
-
-    set_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_VOLUME_PRE_FX);
-    for (x=0; x<=99; x++)
-        set_option(EXP_MIN, EXP_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(EXP_MAX, EXP_POSITION, x);
-
-    set_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_VOLUME_POST_FX);
-    for (x=0; x<=99; x++)
-        set_option(EXP_MIN, EXP_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(EXP_MAX, EXP_POSITION, x);
-}
-
 void test_usb()
 {
     int x;
@@ -884,6 +643,5 @@ void test_all()
     test_chorusfx();
     test_delay();
     test_reverb();
-    test_exp();
     test_usb();
 }

tests.h

@@ -29,7 +29,6 @@ void test_noisegate();
 void test_chorusfx();
 void test_delay();
 void test_reverb();
-void test_exp();
 void test_usb();
 void test_all();