nexmon – Rev 1
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/* packet-sysex.c
*
* MIDI SysEx dissector
* Tomasz Mon 2012
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "config.h"
#include <epan/packet.h>
#include <epan/conversation.h>
#include <epan/expert.h>
void proto_register_sysex(void);
/* protocols and header fields */
static int proto_sysex = -1;
static int hf_sysex_message_start = -1;
static int hf_sysex_manufacturer_id = -1;
static int hf_sysex_three_byte_manufacturer_id = -1;
static int hf_sysex_device_id = -1;
static int hf_sysex_message_eox = -1;
static int hf_digitech_family_id = -1;
static int hf_digitech_rp_product_id = -1;
static int hf_digitech_unknown_product_id = -1;
static int hf_digitech_procedure_id = -1;
static int hf_digitech_desired_device_id = -1;
static int hf_digitech_desired_family_id = -1;
static int hf_digitech_desired_product_id = -1;
static int hf_digitech_device_id = -1;
static int hf_digitech_os_mode = -1;
static int hf_digitech_preset_bank = -1;
static int hf_digitech_preset_index = -1;
static int hf_digitech_preset_count = -1;
static int hf_digitech_preset_name = -1;
static int hf_digitech_preset_modified = -1;
static int hf_digitech_message_count = -1;
static int hf_digitech_parameter_count = -1;
static int hf_digitech_parameter_id = -1;
static int hf_digitech_parameter_id_global = -1;
static int hf_digitech_parameter_id_pickup = -1;
static int hf_digitech_parameter_id_wah = -1;
static int hf_digitech_parameter_id_compressor = -1;
static int hf_digitech_parameter_id_gnx3k_whammy = -1;
static int hf_digitech_parameter_id_distortion = -1;
static int hf_digitech_parameter_id_amp_channel = -1;
static int hf_digitech_parameter_id_amp = -1;
static int hf_digitech_parameter_id_amp_cabinet = -1;
static int hf_digitech_parameter_id_amp_b = -1;
static int hf_digitech_parameter_id_amp_cabinet_b = -1;
static int hf_digitech_parameter_id_noisegate = -1;
static int hf_digitech_parameter_id_volume_pre_fx = -1;
static int hf_digitech_parameter_id_chorusfx = -1;
static int hf_digitech_parameter_id_delay = -1;
static int hf_digitech_parameter_id_reverb = -1;
static int hf_digitech_parameter_id_volume_post_fx = -1;
static int hf_digitech_parameter_id_preset = -1;
static int hf_digitech_parameter_id_wah_min_max = -1;
static int hf_digitech_parameter_id_equalizer = -1;
static int hf_digitech_parameter_id_equalizer_b = -1;
static int hf_digitech_parameter_id_amp_loop = -1;
static int hf_digitech_parameter_position = -1;
static int hf_digitech_parameter_data = -1;
static int hf_digitech_parameter_data_count = -1;
static int hf_digitech_parameter_data_two_byte_count = -1;
static int hf_digitech_parameter_multibyte_data = -1;
static int hf_digitech_ack_request_proc_id = -1;
static int hf_digitech_nack_request_proc_id = -1;
static int hf_digitech_checksum = -1;
static gint ett_sysex = -1;
static expert_field ei_sysex_message_start_byte = EI_INIT;
static expert_field ei_digitech_checksum_bad = EI_INIT;
static expert_field ei_sysex_message_end_byte = EI_INIT;
static expert_field ei_sysex_undecoded = EI_INIT;
#define SYSEX_MANUFACTURER_DOD 0x000010
static const value_string sysex_three_byte_manufacturer_id[] = {
{SYSEX_MANUFACTURER_DOD, "DOD Electronics Corp."},
{0, NULL}
};
typedef struct _digitech_conv_data_t {
gint protocol_version;
} digitech_conv_data_t;
#define DIGITECH_FAMILY_X_FLOOR 0x5C
#define DIGITECH_FAMILY_JAMMAN 0x5D
#define DIGITECH_FAMILY_RP 0x5E
#define DIGITECH_FAMILY_RACK 0x5F
#define DIGITECH_FAMILY_VOCALIST 0x60
static const value_string digitech_family_id[] = {
{DIGITECH_FAMILY_X_FLOOR, "\"X\" Floor Guitar Processor"},
{DIGITECH_FAMILY_JAMMAN, "JamMan"},
{DIGITECH_FAMILY_RP, "RP series"},
{DIGITECH_FAMILY_RACK, "Rack"},
{DIGITECH_FAMILY_VOCALIST, "Vocalist"},
{0x7F, "All"},
{0, NULL}
};
static const value_string digitech_rp_product_id[] = {
{0x01, "RP150"},
{0x02, "RP250"},
{0x03, "RP350"},
{0x04, "RP370"},
{0x05, "RP500"},
{0x06, "RP1000"},
{0x07, "RP155"},
{0x08, "RP255"},
{0x09, "RP355"},
{0, NULL}
};
typedef enum _digitech_procedure_id {
DIGITECH_PROCEDURE_REQUEST_WHO_AM_I = 0x01,
DIGITECH_PROCEDURE_RECEIVE_WHO_AM_I = 0x02,
DIGITECH_PROCEDURE_REQUEST_DEVICE_CONFIGURATION = 0x08,
DIGITECH_PROCEDURE_RECEIVE_DEVICE_CONFIGURATION = 0x09,
DIGITECH_PROCEDURE_REQUEST_GLOBAL_PARAMETERS = 0x10,
DIGITECH_PROCEDURE_RECEIVE_GLOBAL_PARAMETERS = 0x11,
DIGITECH_PROCEDURE_REQUEST_BULK_DUMP = 0x18,
DIGITECH_PROCEDURE_RECEIVE_BULK_DUMP_START = 0x19,
DIGITECH_PROCEDURE_RECEIVE_BULK_DUMP_END = 0x1B,
DIGITECH_PROCEDURE_RECEIVE_USER_PRESET_INDEX_TABLE = 0x20,
DIGITECH_PROCEDURE_REQUEST_PRESET_NAMES = 0x21,
DIGITECH_PROCEDURE_RECEIVE_PRESET_NAMES = 0x22,
DIGITECH_PROCEDURE_REQUEST_PRESET_NAME = 0x28,
DIGITECH_PROCEDURE_RECEIVE_PRESET_NAME = 0x29,
DIGITECH_PROCEDURE_REQUEST_PRESET = 0x2A,
DIGITECH_PROCEDURE_RECEIVE_PRESET_START = 0x2B,
DIGITECH_PROCEDURE_RECEIVE_PRESET_END = 0x2C,
DIGITECH_PROCEDURE_RECEIVE_PRESET_PARAMETERS = 0x2D,
DIGITECH_PROCEDURE_LOAD_EDIT_BUFFER_PRESET = 0x38, /* version 0 only
use move preset in later versions */
DIGITECH_PROCEDURE_MOVE_PRESET = 0x39,
DIGITECH_PROCEDURE_REQUEST_MODIFIER_LINKABLE_LIST = 0x3A,
DIGITECH_PROCEDURE_RECEIVE_MODIFIER_LINKABLE_LIST = 0x3B,
DIGITECH_PROCEDURE_REQUEST_PARAMETER_VALUE = 0x40,
DIGITECH_PROCEDURE_RECEIVE_PARAMETER_VALUE = 0x41,
/* version 1 and later */
DIGITECH_PROCEDURE_REQUEST_OBJECT_NAMES = 0x50,
DIGITECH_PROCEDURE_RECEIVE_OBJECT_NAMES = 0x51,
DIGITECH_PROCEDURE_REQUEST_OBJECT_NAME = 0x52,
DIGITECH_PROCEDURE_RECEIVE_OBJECT_NAME = 0x53,
DIGITECH_PROCEDURE_REQUEST_OBJECT = 0x54,
DIGITECH_PROCEDURE_RECEIVE_OBJECT = 0x55,
DIGITECH_PROCEDURE_MOVE_OBJECT = 0x56,
DIGITECH_PROCEDURE_DELETE_OBJECT = 0x57,
DIGITECH_PROCEDURE_REQUEST_TABLE = 0x5A,
DIGITECH_PROCEDURE_RECEIVE_TABLE = 0x5B,
DIGITECH_PROCEDURE_RECEIVE_DEVICE_NOTIFICATION = 0x70,
DIGITECH_PROCEDURE_START_OS_DOWNLOAD = 0x71,
DIGITECH_PROCEDURE_RESTART_DEVICE = 0x72,
DIGITECH_PROCEDURE_REQUEST_DEBUG_DATA = 0x73,
DIGITECH_PROCEDURE_RECEIVE_DEBUG_DATA = 0x74,
DIGITECH_PROCEDURE_ACK = 0x7E,
DIGITECH_PROCEDURE_NACK = 0x7F
} digitech_procedure_id;
static const value_string digitech_procedures[] = {
{DIGITECH_PROCEDURE_REQUEST_WHO_AM_I, "Request WhoAmI"},
{DIGITECH_PROCEDURE_RECEIVE_WHO_AM_I, "Receive WhoAmI"},
{DIGITECH_PROCEDURE_REQUEST_DEVICE_CONFIGURATION, "Request Device Configuration"},
{DIGITECH_PROCEDURE_RECEIVE_DEVICE_CONFIGURATION, "Receive Device Configuration"},
{DIGITECH_PROCEDURE_REQUEST_GLOBAL_PARAMETERS, "Request Global Parameters"},
{DIGITECH_PROCEDURE_RECEIVE_GLOBAL_PARAMETERS, "Receive Global Parameters"},
{DIGITECH_PROCEDURE_REQUEST_BULK_DUMP, "Request Bulk Dump"},
{DIGITECH_PROCEDURE_RECEIVE_BULK_DUMP_START, "Receive Bulk Dump Start"},
{DIGITECH_PROCEDURE_RECEIVE_BULK_DUMP_END, "Receive Bulk Dump End"},
{DIGITECH_PROCEDURE_RECEIVE_USER_PRESET_INDEX_TABLE, "Receive User Preset Index Table"},
{DIGITECH_PROCEDURE_REQUEST_PRESET_NAMES, "Request Preset Names"},
{DIGITECH_PROCEDURE_RECEIVE_PRESET_NAMES, "Receive Preset Names"},
{DIGITECH_PROCEDURE_REQUEST_PRESET_NAME, "Request Preset Name"},
{DIGITECH_PROCEDURE_RECEIVE_PRESET_NAME, "Receive Preset Name"},
{DIGITECH_PROCEDURE_REQUEST_PRESET, "Request Preset"},
{DIGITECH_PROCEDURE_RECEIVE_PRESET_START, "Receive Preset Start"},
{DIGITECH_PROCEDURE_RECEIVE_PRESET_END, "Receive Preset End"},
{DIGITECH_PROCEDURE_RECEIVE_PRESET_PARAMETERS, "Receive Preset Parameters"},
{DIGITECH_PROCEDURE_LOAD_EDIT_BUFFER_PRESET, "Load Edit Buffer Preset"},
{DIGITECH_PROCEDURE_MOVE_PRESET, "Move Preset"},
{DIGITECH_PROCEDURE_REQUEST_MODIFIER_LINKABLE_LIST, "Request Modifier-Linkable List"},
{DIGITECH_PROCEDURE_RECEIVE_MODIFIER_LINKABLE_LIST, "Receive Modifier-Linkable List"},
{DIGITECH_PROCEDURE_REQUEST_PARAMETER_VALUE, "Request Parameter Value"},
{DIGITECH_PROCEDURE_RECEIVE_PARAMETER_VALUE, "Receive Parameter Value"},
{DIGITECH_PROCEDURE_REQUEST_OBJECT_NAMES, "Request Object Names"},
{DIGITECH_PROCEDURE_RECEIVE_OBJECT_NAMES, "Receive Object Names"},
{DIGITECH_PROCEDURE_REQUEST_OBJECT_NAME, "Request Object Name"},
{DIGITECH_PROCEDURE_RECEIVE_OBJECT_NAME, "Receive Object Name"},
{DIGITECH_PROCEDURE_REQUEST_OBJECT, "Request Object"},
{DIGITECH_PROCEDURE_RECEIVE_OBJECT, "Receive Object"},
{DIGITECH_PROCEDURE_MOVE_OBJECT, "Move Object"},
{DIGITECH_PROCEDURE_DELETE_OBJECT, "Delete Object"},
{DIGITECH_PROCEDURE_REQUEST_TABLE, "Request Table"},
{DIGITECH_PROCEDURE_RECEIVE_TABLE, "Receive Table"},
{DIGITECH_PROCEDURE_RECEIVE_DEVICE_NOTIFICATION, "Receive Device Notification"},
{DIGITECH_PROCEDURE_START_OS_DOWNLOAD, "Start OS Download"},
{DIGITECH_PROCEDURE_RESTART_DEVICE, "Restart Device"},
{DIGITECH_PROCEDURE_REQUEST_DEBUG_DATA, "Request Debug Data"},
{DIGITECH_PROCEDURE_RECEIVE_DEBUG_DATA, "Receive Debug Data"},
{DIGITECH_PROCEDURE_ACK, "ACK"},
{DIGITECH_PROCEDURE_NACK, "NACK"},
{0, NULL}
};
static value_string_ext digitech_procedures_ext =
VALUE_STRING_EXT_INIT(digitech_procedures);
static const value_string digitech_os_modes[] = {
{0, "Normal"},
{1, "Flash update"},
{0, NULL}
};
static const value_string digitech_preset_banks[] = {
{0, "Factory (fixed) bank"},
{1, "User bank"},
{2, "Artist bank"},
{3, "Media card (CF or other)"},
{4, "Current preset edit buffer"},
{5, "Second factory bank"},
{6, "External preset"},
{0, NULL}
};
static const value_string digitech_parameter_ids_global[] = {
{12361, "Amp/Cab Bypass On/Off"},
{12298, "GUI Mode On/Off"},
{0, NULL}
};
static const value_string digitech_parameter_ids_pickup[] = {
{65, "Pickup On/Off"},
{0, NULL}
};
static const value_string digitech_parameter_ids_wah[] = {
{129, "Wah On/Off"},
{133, "Wah Level"},
{0, NULL}
};
static const value_string digitech_parameter_ids_compressor[] = {
{193, "Compressor On/Off"},
{194, "Compressor Attack"},
{195, "Compressor Ratio"},
{200, "Compressor Threshold"},
{201, "Compressor Gain"},
{208, "Compressor Sustain"},
{209, "Compressor Tone"},
{210, "Compressor Level"},
{211, "Compressor Attack"},
{212, "Compressor Output"},
{213, "Compressor Sensitivity"},
{0, NULL}
};
static const value_string digitech_parameter_ids_gnx3k_whammy[] = {
{769, "Whammy/IPS On/Off"},
{1667, "Whammy/IPS Detune Level"},
{1670, "Whammy/IPS Detune Shift Amount"},
{1731, "Whammy/IPS Pitch Shift Level"},
{1732, "Whammy/IPS Pitch Shift Shift Amount"},
{1795, "Whammy/IPS Whammy Pedal"},
{1796, "Whammy/IPS Whammy Mix"},
{1797, "Whammy/IPS Whammy Shift Amount"},
{2754, "Whammy/IPS IPS Shift Amount"},
{2755, "Whammy/IPS IPS Scale"},
{2756, "Whammy/IPS IPS Key"},
{2757, "Whammy/IPS IPS Level"},
{2818, "Whammy/IPS Talker Mic Level"},
{0, NULL}
};
static value_string_ext digitech_parameter_ids_gnx3k_whammy_ext =
VALUE_STRING_EXT_INIT(digitech_parameter_ids_gnx3k_whammy);
static const value_string digitech_parameter_ids_distortion[] = {
{2433, "Distortion On/Off"},
{2434, "Distortion Screamer Drive"},
{2435, "Distortion Screamer Tone"},
{2436, "Distortion Screamer Level"},
{2437, "Distortion Rodent Dist"},
{2438, "Distortion Rodent Filter"},
{2439, "Distortion Rodent Level"},
{2440, "Distortion DS Gain"},
{2441, "Distortion DS Tone"},
{2442, "Distortion DS Level"},
{2443, "Distortion DOD250 Gain"},
{2444, "Distortion DOD250 Level"},
{2445, "Distortion Big MP Sustain"},
{2446, "Distortion Big MP Tone"},
{2447, "Distortion Big MP Volume"},
{2448, "Distortion GuyOD Drive"},
{2449, "Distortion GuyOD Level"},
{2450, "Distortion Sparkdrive Gain"},
{2451, "Distortion Sparkdrive Tone"},
{2452, "Distortion Sparkdrive Clean"},
{2453, "Distortion Sparkdrive Volume"},
{2454, "Distortion Grunge Grunge"},
{2455, "Distortion Grunge Butt"},
{2456, "Distortion Grunge Face"},
{2457, "Distortion Grunge Loud"},
{2458, "Distortion Fuzzy Fuzz"},
{2459, "Distortion Fuzzy Volume"},
{2460, "Distortion Zone Gain"},
{2461, "Distortion Zone Mid freq"},
{2462, "Distortion Zone Mid level"},
{2463, "Distortion Zone Low"},
{2464, "Distortion Zone High"},
{2465, "Distortion Zone Level"},
{2466, "Distortion 8tavia Drive"},
{2467, "Distortion 8tavia Volume"},
{2468, "Distortion MX Dist"},
{2469, "Distortion MX Output"},
{2470, "Distortion Gonk Suck"},
{2471, "Distortion Gonk Smear"},
{2472, "Distortion Gonk Heave"},
{2473, "Distortion 808 Overdrive"},
{2474, "Distortion 808 Tone"},
{2475, "Distortion 808 Level"},
{2476, "Distortion Death Mid"},
{2477, "Distortion Death Low"},
{2478, "Distortion Death Level"},
{2479, "Distortion Death High"},
{2480, "Distortion Gonk Gonk"},
{2481, "Distortion Fuzzlator Fuzz"},
{2482, "Distortion Fuzzlator Tone"},
{2483, "Distortion Fuzzlator LooseTight"},
{2484, "Distortion Fuzzlator Volume"},
{2485, "Distortion Classic Fuzz Fuzz"},
{2486, "Distortion Classic Fuzz Tone"},
{2487, "Distortion Classic Fuzz Volume"},
{2488, "Distortion Redline Gain"},
{2489, "Distortion Redline Low"},
{2490, "Distortion Redline High"},
{2491, "Distortion Redline Level"},
{2492, "Distortion OC Drive Drive"},
{2493, "Distortion OC Drive HP/LP"},
{2494, "Distortion OC Drive Tone"},
{2495, "Distortion OC Drive Level"},
{2562, "Distortion TS Mod Drive"},
{2563, "Distortion TS Mod Level"},
{2564, "Distortion TS Mod Tone"},
{2565, "Distortion SD Overdrive Drive"},
{2566, "Distortion SD Overdrive Tone"},
{2567, "Distortion SD Overdrive Level"},
{2568, "Distortion OD Overdrive Overdrive"},
{2569, "Distortion OD Overdrive Level"},
{2570, "Distortion Amp Driver Gain"},
{2571, "Distortion Amp Driver Mid Boost"},
{2572, "Distortion Amp Driver Level"},
{0, NULL}
};
static value_string_ext digitech_parameter_ids_distortion_ext =
VALUE_STRING_EXT_INIT(digitech_parameter_ids_distortion);
static const value_string digitech_parameter_ids_amp_channel[] = {
{260, "Amp Channel Amp Channel"},
{261, "Amp Channel Warp"},
{262, "Amp Channel Amp Warp"},
{263, "Amp Channel Cabinet Warp"},
{0, NULL}
};
static const value_string digitech_parameter_ids_amp[] = {
{265, "Amplifier On/Off"},
{2497, "Amplifier Gain"},
{2498, "Amplifier Level"},
{2499, "Channel 1 Bass Freq"},
{2500, "Channel 1 Bass Level"},
{2501, "Channel 1 Mid Freq"},
{2502, "Channel 1 Mid Level"},
{2503, "Channel 1 Treb Freq"},
{2504, "Channel 1 Treb Level"},
{2505, "EQ Enable On/Off"},
{2506, "Channel 1 Presence"},
{2507, "Amplifier Bass"},
{2508, "Amplifier Mid"},
{2509, "Amplifier Treble"},
{0, NULL}
};
static value_string_ext digitech_parameter_ids_amp_ext =
VALUE_STRING_EXT_INIT(digitech_parameter_ids_amp);
static const value_string digitech_parameter_ids_amp_cabinet[] = {
{2561, "Channel 1 Tuning"},
{0, NULL}
};
static const value_string digitech_parameter_ids_amp_b[] = {
{265, "Amplifier B On/Off"},
{2497, "Amplifier B Gain"},
{2498, "Amplifier B Level"},
{2499, "Channel 2 Bass Freq"},
{2500, "Channel 2 Bass Level"},
{2501, "Channel 2 Mid Freq"},
{2502, "Channel 2 Mid Level"},
{2503, "Channel 2 Treb Freq"},
{2504, "Channel 2 Treb Level"},
{2505, "EQ Enable On/Off"},
{2506, "Channel 2 Presence"},
{0, NULL}
};
static const value_string digitech_parameter_ids_amp_cabinet_b[] = {
{2561, "Channel 2 Tuning"},
{0, NULL}
};
static const value_string digitech_parameter_ids_noisegate[] = {
{705, "Noisegate On/Off"},
{706, "Noisegate Attack"},
{710, "Noisegate Threshold"},
{711, "Noisegate Sens"},
{712, "Noisegate Attack"},
{713, "Noisegate Release"},
{714, "Noisegate Attn"},
{0, NULL}
};
static const value_string digitech_parameter_ids_volume_pre_fx[] = {
{2626, "Pickup Volume Pre FX"},
{0, NULL}
};
static const value_string digitech_parameter_ids_chorusfx[] = {
{769, "Chorus/FX On/Off"},
{836, "Chorus/FX Chorus Level"},
{837, "Chorus/FX Chorus Speed"},
{838, "Chorus/FX CE/Dual/Multi Chorus Depth"},
{839, "Chorus/FX Chorus Predelay"},
{840, "Chorus/FX Dual/Multi Chorus Wave"},
{841, "Chorus/FX Chorus Balance"},
{848, "Chorus/FX Chorus Width"},
{849, "Chorus/FX Chorus Intensity"},
{850, "Chorus/FX Small Clone Rate"},
{901, "Chorus/FX Flanger Level/Mix"},
{902, "Chorus/FX Flanger Speed"},
{903, "Chorus/FX Flanger Depth"},
{904, "Chorus/FX Flanger Regen"},
{905, "Chorus/FX Flanger Waveform"},
{906, "Chorus/FX Flanger Balance"},
{914, "Chorus/FX Flanger Width"},
{916, "Chorus/FX Flanger Color"},
{917, "Chorus/FX Flanger Manual"},
{918, "Chorus/FX Flanger Rate"},
{919, "Chorus/FX Flanger Range"},
{920, "Chorus/FX Flanger Enhance"},
{921, "Chorus/FX Flanger Harmonics"},
{922, "Chorus/FX Filter Flanger Frequency"},
{962, "Chorus/FX Phaser Speed"},
{963, "Chorus/FX Phaser Depth"},
{965, "Chorus/FX Phaser Level"},
{966, "Chorus/FX Phaser Regen"},
{967, "Chorus/FX Phaser Waveform"},
{968, "Chorus/FX Phaser Balance"},
{976, "Chorus/FX MX Phaser Intensity"},
{977, "Chorus/FX EH Phaser Color"},
{979, "Chorus/FX EH Phaser Rate"},
{1028, "Chorus/FX Triggered Flanger Lfo Start"},
{1029, "Chorus/FX Triggered Flanger/Phaser Mix"},
{1030, "Chorus/FX Triggered Flanger Speed"},
{1031, "Chorus/FX Triggered Flanger Sens"},
{1032, "Chorus/FX Triggered Flanger Level"},
{1092, "Chorus/FX Triggered Phaser Lfo Start"},
{1094, "Chorus/FX Triggered Phaser Speed"},
{1095, "Chorus/FX Triggered Phaser Sens"},
{1096, "Chorus/FX Triggered Phaser Level"},
{1155, "Chorus/FX Tremolo Depth"},
{1156, "Chorus/FX Tremolo Speed"},
{1157, "Chorus/FX Tremolo Wave"},
{1219, "Chorus/FX Panner Depth"},
{1220, "Chorus/FX Panner Speed"},
{1221, "Chorus/FX Panner Wave"},
{1284, "Chorus/FX Vibrato Speed"},
{1285, "Chorus/FX Vibrato Depth"},
{1286, "Chorus/FX Vibrato Waveform"},
{1314, "Chorus/FX Vibropan Speed"},
{1315, "Chorus/FX Vibropan Depth"},
{1316, "Chorus/FX Vibropan Vibra"},
{1317, "Chorus/FX Vibropan Wave"},
{1346, "Chorus/FX Rotary Speed"},
{1348, "Chorus/FX Rotary Intensity"},
{1349, "Chorus/FX Rotary Mix"},
{1350, "Chorus/FX Rotary Doppler"},
{1351, "Chorus/FX Rotary Crossover"},
{1352, "Chorus/FX Rotary Balance"},
{1410, "Chorus/FX YaYa Pedal"},
{1412, "Chorus/FX YaYa Range"},
{1413, "Chorus/FX YaYa Mix"},
{1414, "Chorus/FX YaYa Depth"},
{1416, "Chorus/FX YaYa Balance"},
{1417, "Chorus/FX YaYa Intensity"},
{1418, "Chorus/FX YaYa Range"},
{1476, "Chorus/FX AutoYa Range"},
{1477, "Chorus/FX AutoYa Mix"},
{1478, "Chorus/FX AutoYa Speed"},
{1479, "Chorus/FX AutoYa Depth"},
{1481, "Chorus/FX AutoYa Balance"},
{1482, "Chorus/FX AutoYa Intensity"},
{1483, "Chorus/FX AutoYa Range"},
{1540, "Chorus/FX Synthtalk Vox"},
{1542, "Chorus/FX Synthtalk Attack"},
{1543, "Chorus/FX Synthtalk Release"},
{1544, "Chorus/FX Synthtalk Sens"},
{1545, "Chorus/FX Synthtalk Balance"},
{1604, "Chorus/FX Envelope Mix"},
{1605, "Chorus/FX Envelope/FX25 Range"},
{1606, "Chorus/FX Envelope/FX25 Sensitivity"},
{1607, "Chorus/FX Envelope Balance"},
{1608, "Chorus/FX FX25 Blend"},
{1667, "Chorus/FX Detune Level"},
{1668, "Chorus/FX Detune Amount"},
{1669, "Chorus/FX Detune Balance"},
{1730, "Chorus/FX Pitch Shift Amount"},
{1731, "Chorus/FX Pitch Level"},
{1733, "Chorus/FX Pitch Balance"},
{1745, "Chorus/FX Pitch Shift Mix"},
{1746, "Chorus/FX Octaver Octave 1"},
{1747, "Chorus/FX Octaver Octave 2"},
{1748, "Chorus/FX Octaver Dry Level"},
{1795, "Chorus/FX Whammy Pedal"},
{1796, "Chorus/FX Whammy Mix"},
{1797, "Chorus/FX Whammy Amount"},
{2754, "Chorus/FX IPS/Harmony Pitch Shift"},
{2755, "Chorus/FX IPS/Harmony Pitch Scale"},
{2756, "Chorus/FX IPS/Harmony Pitch Key"},
{2757, "Chorus/FX IPS/Harmony Pitch Level"},
{2882, "Chorus/FX Unovibe Chorus/Vibrato"},
{2883, "Chorus/FX Unovibe Intensity"},
{2884, "Chorus/FX Unovibe Pedal Speed"},
{2885, "Chorus/FX Unovibe Volume"},
{3010, "Chorus/FX Step Filter Speed"},
{3011, "Chorus/FX Step Filter Intensity"},
{3012, "Chorus/FX Sample/Hold Speed"},
{3013, "Chorus/FX Sample/Hold Intensity"},
{0, NULL}
};
static value_string_ext digitech_parameter_ids_chorusfx_ext =
VALUE_STRING_EXT_INIT(digitech_parameter_ids_chorusfx);
static const value_string digitech_parameter_ids_delay[] = {
{1857, "Delay On/Off"},
{1860, "Delay Level"},
{1862, "Delay Time"},
{1863, "Delay Repeats"},
{1864, "Delay Thresh"},
{1865, "Delay Atten"},
{1866, "Delay Balance"},
{1867, "Delay Spread"},
{1868, "Delay Tap Time"},
{1873, "Delay Depth"},
{1874, "Delay Repeats"},
{1888, "Delay Time"},
{1889, "Delay Ducker thresh"},
{1890, "Delay Ducker level"},
{1891, "Delay Tape Wow"},
{1892, "Delay Tape Flutter"},
{1893, "Delay Echo Plex Volume"},
{1894, "Delay DM Repeat Rate"},
{1895, "Delay DM Echo"},
{1896, "Delay DM Intensity"},
{1897, "Delay Echo Plex Time"},
{1898, "Delay DM Delay Repeat Rate"},
{1899, "Delay Echo Plex Time"},
{1900, "Delay Tap Time"},
{1901, "Delay Reverse Time"},
{1902, "Delay Reverse Mix"},
{1905, "Delay 2-tap Ratio"},
{0, NULL}
};
static value_string_ext digitech_parameter_ids_delay_ext =
VALUE_STRING_EXT_INIT(digitech_parameter_ids_delay);
static const value_string digitech_parameter_ids_reverb[] = {
{1921, "Reverb On/Off"},
{1922, "Reverb Predelay"},
{1924, "Reverb Damping"},
{1925, "Reverb Level"},
{1927, "Reverb Decay"},
{1928, "Reverb Balance"},
{1933, "Reverb Liveliness"},
{9, NULL}
};
static const value_string digitech_parameter_ids_volume_post_fx[] = {
{2626, "Pickup Volume Post FX"},
{0, NULL}
};
static const value_string digitech_parameter_ids_preset[] = {
{2626, "Pickup Preset Level"},
{0, NULL}
};
static const value_string digitech_parameter_ids_wah_min_max[] = {
{8195, "Wah Min"},
{8196, "Wah Max"},
{0, NULL}
};
static const value_string digitech_parameter_ids_equalizer[] = {
{3203, "Equalizer Bass"},
{3204, "Equalizer Mid"},
{3205, "Equalizer Treble"},
{3206, "Equalizer Mid Hz"},
{3207, "Equalizer Presence"},
{3211, "Equalizer Treb Hz"},
{3212, "Equalizer On/Off"},
{3213, "Equalizer Low Freq"},
{3215, "Equalizer High Freq"},
{3216, "Equalizer Low Bandwidth"},
{3217, "Equalizer Mid Bandwidth"},
{3218, "Equalizer High Bandwidth"},
{0, NULL}
};
static const value_string digitech_parameter_ids_equalizer_b[] = {
{3203, "Equalizer B Bass"},
{3204, "Equalizer B Mid"},
{3205, "Equalizer B Treble"},
{3206, "Equalizer B Mid Hz"},
{3207, "Equalizer B Presence"},
{3211, "Equalizer B Treb Hz"},
{3212, "Equalizer B On/Off"},
{0, NULL}
};
static const value_string digitech_parameter_ids_amp_loop[] = {
{3649, "Amp Loop On/Off"},
{0, NULL}
};
#define DIGITECH_POSITION_GLOBAL 0
#define DIGITECH_POSITION_PICKUP 2
#define DIGITECH_POSITION_WAH 3
#define DIGITECH_POSITION_COMPRESSOR 4
#define DIGITECH_POSITION_GNX3K_WHAMMY 5
#define DIGITECH_POSITION_DISTORTION 6
#define DIGITECH_POSITION_AMP_CHANNEL 7
#define DIGITECH_POSITION_AMP 8
#define DIGITECH_POSITION_AMP_CABINET 9
#define DIGITECH_POSITION_AMP_B 10
#define DIGITECH_POSITION_AMP_CABINET_B 11
#define DIGITECH_POSITION_NOISEGATE 12
#define DIGITECH_POSITION_VOLUME_PRE_FX 13
#define DIGITECH_POSITION_CHORUS_FX 14
#define DIGITECH_POSITION_DELAY 15
#define DIGITECH_POSITION_REVERB 16
#define DIGITECH_POSITION_VOLUME_POST_FX 17
#define DIGITECH_POSITION_PRESET 18
#define DIGITECH_POSITION_EXPRESSION 19
#define DIGITECH_POSITION_WAH_MIN_MAX 20
#define DIGITECH_POSITION_V_SWITCH_ASSIGN 21
#define DIGITECH_POSITION_LFO_1 22
#define DIGITECH_POSITION_LFO_2 23
#define DIGITECH_POSITION_EQUALIZER 24
#define DIGITECH_POSITION_EQUALIZER_B 25
#define DIGITECH_POSITION_LIBRARY 26
#define DIGITECH_POSITION_AMP_LOOP 33
#define DIGITECH_POSITION_WAH_PEDAL 132
static const value_string digitech_parameter_positions[] = {
{DIGITECH_POSITION_GLOBAL, "Global"},
{DIGITECH_POSITION_PICKUP, "Pickup"},
{DIGITECH_POSITION_WAH, "Wah"},
{DIGITECH_POSITION_COMPRESSOR, "Compressor"},
{DIGITECH_POSITION_GNX3K_WHAMMY, "GNX3K Whammy"},
{DIGITECH_POSITION_DISTORTION, "Distortion"},
{DIGITECH_POSITION_AMP_CHANNEL, "Amp Channel"},
{DIGITECH_POSITION_AMP, "Amp"},
{DIGITECH_POSITION_AMP_CABINET, "Amp Cabinet"},
{DIGITECH_POSITION_AMP_B, "Amp B"},
{DIGITECH_POSITION_AMP_CABINET_B, "Amp Cabinet B"},
{DIGITECH_POSITION_NOISEGATE, "Noisegate"},
{DIGITECH_POSITION_VOLUME_PRE_FX, "Volume Pre Fx"},
{DIGITECH_POSITION_CHORUS_FX, "Chorus/FX"},
{DIGITECH_POSITION_DELAY, "Delay"},
{DIGITECH_POSITION_REVERB, "Reverb"},
{DIGITECH_POSITION_VOLUME_POST_FX, "Volume Post Fx"},
{DIGITECH_POSITION_PRESET, "Preset"},
{DIGITECH_POSITION_EXPRESSION, "Expression"},
{DIGITECH_POSITION_WAH_MIN_MAX, "Wah Min-Max"},
{DIGITECH_POSITION_V_SWITCH_ASSIGN, "V-Switch Assign"},
{DIGITECH_POSITION_LFO_1, "LFO 1"},
{DIGITECH_POSITION_LFO_2, "LFO 2"},
{DIGITECH_POSITION_EQUALIZER, "Equalizer"},
{DIGITECH_POSITION_EQUALIZER_B, "Equalizer B"},
{DIGITECH_POSITION_LIBRARY, "Library"},
{DIGITECH_POSITION_AMP_LOOP, "Amp Loop"},
{DIGITECH_POSITION_WAH_PEDAL, "Wah Pedal"},
{0, NULL}
};
static value_string_ext digitech_parameter_positions_ext =
VALUE_STRING_EXT_INIT(digitech_parameter_positions);
static tvbuff_t *
unpack_digitech_message(packet_info *pinfo, tvbuff_t *tvb, gint offset)
{
tvbuff_t *next_tvb;
gint length = tvb_reported_length(tvb);
gint data_len = length - offset - 2;
const guint8* data_ptr;
gint remaining = data_len;
guchar* unpacked;
guchar* unpacked_ptr;
gint unpacked_size;
guint8 msb;
gint i;
unpacked_size = data_len - (data_len / 8);
if (data_len % 8)
{
unpacked_size--;
}
data_ptr = tvb_get_ptr(tvb, offset, data_len);
unpacked = (guchar*)wmem_alloc(pinfo->pool, unpacked_size);
unpacked_ptr = unpacked;
while (remaining > 0)
{
msb = *data_ptr++;
remaining--;
for (i = 0; (i < 7) && (remaining > 0); ++i, --remaining)
{
*unpacked_ptr = *data_ptr | ((msb << (i + 1)) & 0x80);
unpacked_ptr++;
data_ptr++;
}
}
/* Create new tvb with unpacked data */
next_tvb = tvb_new_child_real_data(tvb, unpacked, unpacked_size, unpacked_size);
return next_tvb;
}
static int
get_digitech_hf_parameter_id_by_position(guint8 position)
{
int hf_parameter = hf_digitech_parameter_id;
switch (position)
{
case DIGITECH_POSITION_GLOBAL:
hf_parameter = hf_digitech_parameter_id_global;
break;
case DIGITECH_POSITION_PICKUP:
hf_parameter = hf_digitech_parameter_id_pickup;
break;
case DIGITECH_POSITION_WAH:
hf_parameter = hf_digitech_parameter_id_wah;
break;
case DIGITECH_POSITION_COMPRESSOR:
hf_parameter = hf_digitech_parameter_id_compressor;
break;
case DIGITECH_POSITION_GNX3K_WHAMMY:
hf_parameter = hf_digitech_parameter_id_gnx3k_whammy;
break;
case DIGITECH_POSITION_DISTORTION:
hf_parameter = hf_digitech_parameter_id_distortion;
break;
case DIGITECH_POSITION_AMP_CHANNEL:
hf_parameter = hf_digitech_parameter_id_amp_channel;
break;
case DIGITECH_POSITION_AMP:
hf_parameter = hf_digitech_parameter_id_amp;
break;
case DIGITECH_POSITION_AMP_CABINET:
hf_parameter = hf_digitech_parameter_id_amp_cabinet;
break;
case DIGITECH_POSITION_AMP_B:
hf_parameter = hf_digitech_parameter_id_amp_b;
break;
case DIGITECH_POSITION_AMP_CABINET_B:
hf_parameter = hf_digitech_parameter_id_amp_cabinet_b;
break;
case DIGITECH_POSITION_NOISEGATE:
hf_parameter = hf_digitech_parameter_id_noisegate;
break;
case DIGITECH_POSITION_VOLUME_PRE_FX:
hf_parameter = hf_digitech_parameter_id_volume_pre_fx;
break;
case DIGITECH_POSITION_CHORUS_FX:
hf_parameter = hf_digitech_parameter_id_chorusfx;
break;
case DIGITECH_POSITION_DELAY:
hf_parameter = hf_digitech_parameter_id_delay;
break;
case DIGITECH_POSITION_REVERB:
hf_parameter = hf_digitech_parameter_id_reverb;
break;
case DIGITECH_POSITION_VOLUME_POST_FX:
hf_parameter = hf_digitech_parameter_id_volume_post_fx;
break;
case DIGITECH_POSITION_PRESET:
hf_parameter = hf_digitech_parameter_id_preset;
break;
case DIGITECH_POSITION_WAH_MIN_MAX:
hf_parameter = hf_digitech_parameter_id_wah_min_max;
break;
case DIGITECH_POSITION_EQUALIZER:
hf_parameter = hf_digitech_parameter_id_equalizer;
break;
case DIGITECH_POSITION_EQUALIZER_B:
hf_parameter = hf_digitech_parameter_id_equalizer_b;
break;
case DIGITECH_POSITION_AMP_LOOP:
hf_parameter = hf_digitech_parameter_id_amp_loop;
break;
case DIGITECH_POSITION_EXPRESSION:
case DIGITECH_POSITION_V_SWITCH_ASSIGN:
case DIGITECH_POSITION_LFO_1:
case DIGITECH_POSITION_LFO_2:
case DIGITECH_POSITION_LIBRARY:
case DIGITECH_POSITION_WAH_PEDAL:
/* TODO */
default:
break;
}
return hf_parameter;
}
/* Dissects DigiTech parameter starting at data_offset.
* Returns new data_offset.
*/
static gint
dissect_digitech_parameter(tvbuff_t *data_tvb, proto_tree *tree,
digitech_conv_data_t *conv_data, gint data_offset)
{
guint8 digitech_helper;
int hf_parameter = hf_digitech_parameter_id;
/* Version 1 and later specify parameter position */
if (conv_data->protocol_version >= 1)
{
digitech_helper = tvb_get_guint8(data_tvb, data_offset+2);
hf_parameter = get_digitech_hf_parameter_id_by_position(digitech_helper);
}
proto_tree_add_item(tree, hf_parameter, data_tvb, data_offset, 2, ENC_BIG_ENDIAN);
data_offset += 2;
/* Add (optional) position to tree */
if (conv_data->protocol_version >= 1)
{
proto_tree_add_item(tree, hf_digitech_parameter_position, data_tvb, data_offset, 1, ENC_BIG_ENDIAN);
data_offset++;
}
digitech_helper = tvb_get_guint8(data_tvb, data_offset);
/* Values 0-127 fit in one byte */
if (digitech_helper < 0x80)
{
proto_tree_add_item(tree, hf_digitech_parameter_data, data_tvb, data_offset, 1, ENC_BIG_ENDIAN);
data_offset++;
}
else /* digitech_helper >= 0x80 */
{
guint16 data_count;
/* Single byte data count */
if (digitech_helper > 0x80)
{
data_count = (guint16)(digitech_helper & ~0x80);
proto_tree_add_uint(tree, hf_digitech_parameter_data_count, data_tvb,
data_offset, 1, (guint32)data_count);
data_offset++;
}
/* Two-byte data count */
else /* digitech_helper == 0x80 */
{
data_count = (guint16)tvb_get_ntohs(data_tvb, data_offset+1);
proto_tree_add_uint(tree, hf_digitech_parameter_data_two_byte_count, data_tvb,
data_offset, 3, (guint32)data_count);
data_offset += 3;
}
proto_tree_add_item(tree, hf_digitech_parameter_multibyte_data, data_tvb,
data_offset, (gint)data_count, ENC_NA);
data_offset += data_count;
}
return data_offset;
}
static int
get_digitech_hf_product_by_family(guint8 family)
{
int hf_product = hf_digitech_unknown_product_id;
switch (family)
{
case DIGITECH_FAMILY_RP:
hf_product = hf_digitech_rp_product_id;
break;
default:
break;
}
return hf_product;
}
static void
dissect_digitech_procedure(guint8 procedure, const gint offset,
tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
{
tvbuff_t *data_tvb;
gint data_offset;
gint data_len;
guint8 *tmp_string;
guint str_size;
guint16 count;
guint8 digitech_helper;
conversation_t *conversation;
digitech_conv_data_t *conv_data;
conversation = find_or_create_conversation(pinfo);
conv_data = (digitech_conv_data_t *)conversation_get_proto_data(conversation, proto_sysex);
if (conv_data == NULL)
{
conv_data = wmem_new(wmem_file_scope(), digitech_conv_data_t);
conv_data->protocol_version = 1; /* Default to version 1 */
}
/* Procedure data starts at offset and ends two bytes before end
* of System Exclusive packet (one byte is checksum, the other one
* is EOX)
*/
if (tvb_reported_length(tvb) - offset < 2)
{
/* There is no DigiTech procedure data, do not attempt further
* dissection */
return;
}
data_tvb = unpack_digitech_message(pinfo, tvb, offset);
add_new_data_source(pinfo, data_tvb, "Unpacked Procedure Data");
data_offset = 0;
data_len = tvb_reported_length(data_tvb);
switch (procedure)
{
case DIGITECH_PROCEDURE_REQUEST_WHO_AM_I:
proto_tree_add_item(tree, hf_digitech_desired_device_id, data_tvb, data_offset, 1, ENC_BIG_ENDIAN);
data_offset++;
proto_tree_add_item(tree, hf_digitech_desired_family_id, data_tvb, data_offset, 1, ENC_BIG_ENDIAN);
data_offset++;
proto_tree_add_item(tree, hf_digitech_desired_product_id, data_tvb, data_offset, 1, ENC_BIG_ENDIAN);
data_offset++;
break;
case DIGITECH_PROCEDURE_RECEIVE_WHO_AM_I:
proto_tree_add_item(tree, hf_digitech_device_id, data_tvb, data_offset, 1, ENC_BIG_ENDIAN);
data_offset++;
digitech_helper = tvb_get_guint8(data_tvb, data_offset);
proto_tree_add_item(tree, hf_digitech_family_id, data_tvb, data_offset, 1, ENC_BIG_ENDIAN);
data_offset++;
proto_tree_add_item(tree, get_digitech_hf_product_by_family(digitech_helper),
data_tvb, data_offset, 1, ENC_BIG_ENDIAN);
data_offset++;
if (data_len == 3)
{
/* Version 0, everything already decoded */
conv_data->protocol_version = 0;
}
else if (data_len == 4)
{
/* Version 1 and later */
conv_data->protocol_version = 1;
proto_tree_add_item(tree, hf_digitech_os_mode, data_tvb, data_offset, 1, ENC_BIG_ENDIAN);
data_offset++;
}
break;
case DIGITECH_PROCEDURE_REQUEST_PRESET_NAMES:
proto_tree_add_item(tree, hf_digitech_preset_bank, data_tvb, data_offset, 1, ENC_BIG_ENDIAN);
data_offset++;
break;
case DIGITECH_PROCEDURE_RECEIVE_PRESET_NAMES:
proto_tree_add_item(tree, hf_digitech_preset_bank, data_tvb, data_offset, 1, ENC_BIG_ENDIAN);
data_offset++;
count = (guint16)tvb_get_guint8(data_tvb, data_offset);
proto_tree_add_item(tree, hf_digitech_preset_count, data_tvb, data_offset, 1, ENC_BIG_ENDIAN);
data_offset++;
while ((count > 0) && (str_size = tvb_strsize(data_tvb, data_offset)))
{
tmp_string = tvb_get_string_enc(wmem_packet_scope(), data_tvb, data_offset, str_size - 1, ENC_ASCII);
proto_tree_add_string(tree, hf_digitech_preset_name, data_tvb, data_offset, str_size, tmp_string);
data_offset += (gint)str_size;
count--;
}
break;
case DIGITECH_PROCEDURE_REQUEST_PRESET:
proto_tree_add_item(tree, hf_digitech_preset_bank, data_tvb, data_offset, 1, ENC_BIG_ENDIAN);
data_offset++;
proto_tree_add_item(tree, hf_digitech_preset_index, data_tvb, data_offset, 1, ENC_BIG_ENDIAN);
data_offset++;
break;
case DIGITECH_PROCEDURE_RECEIVE_PRESET_START:
/* Preset bank */
proto_tree_add_item(tree, hf_digitech_preset_bank, data_tvb, data_offset, 1, ENC_BIG_ENDIAN);
data_offset++;
/* Preset index */
proto_tree_add_item(tree, hf_digitech_preset_index, data_tvb, data_offset, 1, ENC_BIG_ENDIAN);
data_offset++;
/* Preset name (NULL-terminated) */
str_size = tvb_strsize(data_tvb, data_offset);
tmp_string = tvb_get_string_enc(wmem_packet_scope(), data_tvb, data_offset, str_size - 1, ENC_ASCII);
proto_tree_add_string(tree, hf_digitech_preset_name, data_tvb, data_offset, str_size, tmp_string);
data_offset += (gint)str_size;
/* Preset modified (0 = unmodified, !0 = modified) */
proto_tree_add_item(tree, hf_digitech_preset_modified, data_tvb, data_offset, 1, ENC_BIG_ENDIAN);
data_offset++;
/* Message Count */
proto_tree_add_item(tree, hf_digitech_message_count, data_tvb, data_offset, 1, ENC_BIG_ENDIAN);
data_offset++;
break;
case DIGITECH_PROCEDURE_RECEIVE_PRESET_PARAMETERS:
count = tvb_get_ntohs(data_tvb, data_offset);
proto_tree_add_item(tree, hf_digitech_parameter_count, data_tvb, data_offset, 2, ENC_BIG_ENDIAN);
data_offset += 2;
while (count > 0)
{
data_offset = dissect_digitech_parameter(data_tvb, tree, conv_data, data_offset);
count--;
}
break;
case DIGITECH_PROCEDURE_RECEIVE_PARAMETER_VALUE:
data_offset = dissect_digitech_parameter(data_tvb, tree, conv_data, data_offset);
break;
case DIGITECH_PROCEDURE_ACK:
proto_tree_add_item(tree, hf_digitech_ack_request_proc_id, data_tvb, data_offset, 1, ENC_BIG_ENDIAN);
data_offset++;
break;
case DIGITECH_PROCEDURE_NACK:
proto_tree_add_item(tree, hf_digitech_nack_request_proc_id, data_tvb, data_offset, 1, ENC_BIG_ENDIAN);
data_offset++;
break;
default:
break;
}
if (data_offset < data_len)
{
proto_tree_add_expert(tree, pinfo, &ei_sysex_undecoded,
data_tvb, data_offset, data_len - data_offset);
}
}
/* dissector for System Exclusive MIDI data */
static int
dissect_sysex_command(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree, void* data _U_)
{
guint8 sysex_helper;
gint data_len;
proto_item *item;
proto_item *ti = NULL;
proto_tree *tree = NULL;
gint offset = 0;
guint8 manufacturer_id;
guint32 three_byte_manufacturer_id = 0xFFFFFF;
guint8 procedure_id;
col_set_str(pinfo->cinfo, COL_PROTOCOL, "SYSEX");
col_set_str(pinfo->cinfo, COL_INFO, "MIDI System Exclusive Command");
data_len = tvb_reported_length(tvb);
ti = proto_tree_add_protocol_format(parent_tree, proto_sysex, tvb, 0, -1, "MIDI System Exclusive Command");
tree = proto_item_add_subtree(ti, ett_sysex);
/* Check start byte (System Exclusive - 0xF0) */
sysex_helper = tvb_get_guint8(tvb, 0);
item = proto_tree_add_item(tree, hf_sysex_message_start, tvb, offset, 1, ENC_BIG_ENDIAN);
if (sysex_helper != 0xF0)
{
expert_add_info(pinfo, item, &ei_sysex_message_start_byte);
}
offset++;
manufacturer_id = tvb_get_guint8(tvb, offset);
/* Three-byte manufacturer ID starts with 00 */
if (manufacturer_id == 0)
{
three_byte_manufacturer_id = tvb_get_ntoh24(tvb, offset);
proto_tree_add_item(tree, hf_sysex_three_byte_manufacturer_id, tvb, offset, 3, ENC_BIG_ENDIAN);
offset += 3;
}
/* One-byte manufacturer ID */
else
{
proto_tree_add_item(tree, hf_sysex_manufacturer_id, tvb, offset, 1, ENC_BIG_ENDIAN);
offset++;
}
proto_tree_add_item(tree, hf_sysex_device_id, tvb, offset, 1, ENC_BIG_ENDIAN);
offset++;
/* Following data is menufacturer-specific */
switch (three_byte_manufacturer_id)
{
case SYSEX_MANUFACTURER_DOD:
{
guint8 digitech_helper;
const guint8 *data_ptr;
int len;
int i;
digitech_helper = tvb_get_guint8(tvb, offset);
proto_tree_add_item(tree, hf_digitech_family_id, tvb, offset, 1, ENC_BIG_ENDIAN);
offset++;
proto_tree_add_item(tree, get_digitech_hf_product_by_family(digitech_helper),
tvb, offset, 1, ENC_BIG_ENDIAN);
offset++;
procedure_id = tvb_get_guint8(tvb, offset);
proto_tree_add_item(tree, hf_digitech_procedure_id, tvb, offset, 1, ENC_BIG_ENDIAN);
offset++;
dissect_digitech_procedure(procedure_id, offset, tvb, pinfo, tree);
len = tvb_reported_length(tvb) - 2;
offset = len; /* Penultimate byte is checksum */
data_ptr = tvb_get_ptr(tvb, 1, len);
/* Calculate checksum */
for (i = 0, digitech_helper = 0; i < len; ++i)
{
digitech_helper ^= *data_ptr++;
}
proto_tree_add_checksum(tree, tvb, offset, hf_digitech_checksum, -1, &ei_digitech_checksum_bad, pinfo, digitech_helper,
ENC_BIG_ENDIAN, PROTO_CHECKSUM_VERIFY|PROTO_CHECKSUM_ZERO);
offset++;
break;
}
default:
break;
}
if (offset < data_len - 1)
{
proto_tree_add_expert(tree, pinfo, &ei_sysex_undecoded,
tvb, offset, data_len - offset - 1);
}
/* Check end byte (EOX - 0xF7) */
sysex_helper = tvb_get_guint8(tvb, data_len - 1);
item = proto_tree_add_item(tree, hf_sysex_message_eox, tvb, data_len - 1, 1, ENC_BIG_ENDIAN);
if (sysex_helper != 0xF7)
{
expert_add_info(pinfo, item, &ei_sysex_message_end_byte);
}
return tvb_captured_length(tvb);
}
void
proto_register_sysex(void)
{
static hf_register_info hf[] = {
{ &hf_sysex_message_start,
{ "SysEx message start", "sysex.start", FT_UINT8, BASE_HEX,
NULL, 0, "System Exclusive Message start (0xF0)", HFILL }},
{ &hf_sysex_manufacturer_id,
{ "Manufacturer ID", "sysex.manufacturer_id", FT_UINT8, BASE_HEX,
NULL, 0, NULL, HFILL }},
{ &hf_sysex_three_byte_manufacturer_id,
{ "Manufacturer ID", "sysex.manufacturer_id", FT_UINT24, BASE_HEX,
VALS(sysex_three_byte_manufacturer_id), 0, NULL, HFILL }},
{ &hf_sysex_device_id,
{ "Device ID", "sysex.device_id", FT_UINT8, BASE_HEX,
NULL, 0, NULL, HFILL }},
{ &hf_sysex_message_eox,
{ "EOX", "sysex.eox", FT_UINT8, BASE_HEX,
NULL, 0, "System Exclusive Message end (0xF7)", HFILL}},
/* DigiTech manufacturer-specific fields */
{ &hf_digitech_family_id,
{ "Family ID", "sysex.digitech.family_id", FT_UINT8, BASE_HEX,
VALS(digitech_family_id), 0, NULL, HFILL }},
{ &hf_digitech_unknown_product_id,
{ "Product ID", "sysex.digitech.product_id", FT_UINT8, BASE_HEX,
NULL, 0, NULL, HFILL }},
{ &hf_digitech_rp_product_id,
{ "Product ID", "sysex.digitech.product_id", FT_UINT8, BASE_HEX,
VALS(digitech_rp_product_id), 0, NULL, HFILL }},
{ &hf_digitech_procedure_id,
{ "Procedure ID", "sysex.digitech.procedure_id", FT_UINT8, BASE_HEX | BASE_EXT_STRING,
&digitech_procedures_ext, 0, NULL, HFILL }},
{ &hf_digitech_desired_device_id,
{ "Desired Device ID", "sysex.digitech.desired_device_id", FT_UINT8, BASE_HEX,
NULL, 0, NULL, HFILL }},
{ &hf_digitech_desired_family_id,
{ "Desired Family ID", "sysex.digitech.desired_family_id", FT_UINT8, BASE_HEX,
NULL, 0, NULL, HFILL }},
{ &hf_digitech_desired_product_id,
{ "Desired Product ID", "sysex.digitech.desired_product_id", FT_UINT8, BASE_HEX,
NULL, 0, NULL, HFILL }},
{ &hf_digitech_device_id,
{ "Device ID", "sysex.digitech.device_id", FT_UINT8, BASE_HEX,
NULL, 0, NULL, HFILL }},
{ &hf_digitech_os_mode,
{ "OS Mode", "sysex.digitech.os_mode", FT_UINT8, BASE_HEX,
VALS(digitech_os_modes), 0, "DigiTech OS Mode", HFILL }},
{ &hf_digitech_preset_bank,
{ "Preset Bank", "sysex.digitech.preset_bank", FT_UINT8, BASE_HEX,
VALS(digitech_preset_banks), 0, NULL, HFILL }},
{ &hf_digitech_preset_index,
{ "Preset Index", "sysex.digitech.preset_index", FT_UINT8, BASE_HEX,
NULL, 0, NULL, HFILL }},
{ &hf_digitech_preset_count,
{ "Preset Count", "sysex.digitech.preset_count", FT_UINT8, BASE_DEC,
NULL, 0, NULL, HFILL }},
{ &hf_digitech_preset_name,
{ "Preset Name", "sysex.digitech.preset_name", FT_STRING, BASE_NONE,
NULL, 0, NULL, HFILL }},
{ &hf_digitech_preset_modified,
{ "Preset Modified", "sysex.digitech.preset_modified", FT_BOOLEAN, BASE_NONE,
TFS(&tfs_yes_no), 0, "Modified flag (0 = unmodified)", HFILL }},
{ &hf_digitech_message_count,
{ "Messages to follow", "sysex.digitech.message_count", FT_UINT8, BASE_DEC,
NULL, 0, "Number of messages to follow", HFILL }},
{ &hf_digitech_parameter_count,
{ "Parameter Count", "sysex.digitech.parameter_count", FT_UINT16, BASE_DEC,
NULL, 0, NULL, HFILL }},
{ &hf_digitech_parameter_id,
{ "Parameter ID", "sysex.digitech.parameter_id", FT_UINT16, BASE_DEC,
NULL, 0, NULL, HFILL }},
{ &hf_digitech_parameter_id_global,
{ "Parameter ID", "sysex.digitech.parameter_id", FT_UINT16, BASE_DEC,
VALS(digitech_parameter_ids_global), 0, NULL, HFILL }},
{ &hf_digitech_parameter_id_pickup,
{ "Parameter ID", "sysex.digitech.parameter_id", FT_UINT16, BASE_DEC,
VALS(digitech_parameter_ids_pickup), 0, NULL, HFILL }},
{ &hf_digitech_parameter_id_wah,
{ "Parameter ID", "sysex.digitech.parameter_id", FT_UINT16, BASE_DEC,
VALS(digitech_parameter_ids_wah), 0, NULL, HFILL }},
{ &hf_digitech_parameter_id_compressor,
{ "Parameter ID", "sysex.digitech.parameter_id", FT_UINT16, BASE_DEC,
VALS(digitech_parameter_ids_compressor), 0, NULL, HFILL }},
{ &hf_digitech_parameter_id_gnx3k_whammy,
{ "Parameter ID", "sysex.digitech.parameter_id", FT_UINT16, BASE_DEC | BASE_EXT_STRING,
&digitech_parameter_ids_gnx3k_whammy_ext, 0, NULL, HFILL }},
{ &hf_digitech_parameter_id_distortion,
{ "Parameter ID", "sysex.digitech.parameter_id", FT_UINT16, BASE_DEC | BASE_EXT_STRING,
&digitech_parameter_ids_distortion_ext, 0, NULL, HFILL }},
{ &hf_digitech_parameter_id_amp_channel,
{ "Parameter ID", "sysex.digitech.parameter_id", FT_UINT16, BASE_DEC,
VALS(digitech_parameter_ids_amp_channel), 0, NULL, HFILL }},
{ &hf_digitech_parameter_id_amp,
{ "Parameter ID", "sysex.digitech.parameter_id", FT_UINT16, BASE_DEC | BASE_EXT_STRING,
&digitech_parameter_ids_amp_ext, 0, NULL, HFILL }},
{ &hf_digitech_parameter_id_amp_cabinet,
{ "Parameter ID", "sysex.digitech.parameter_id", FT_UINT16, BASE_DEC,
VALS(digitech_parameter_ids_amp_cabinet), 0, NULL, HFILL }},
{ &hf_digitech_parameter_id_amp_b,
{ "Parameter ID", "sysex.digitech.parameter_id", FT_UINT16, BASE_DEC,
VALS(digitech_parameter_ids_amp_b), 0, NULL, HFILL }},
{ &hf_digitech_parameter_id_amp_cabinet_b,
{ "Parameter ID", "sysex.digitech.parameter_id", FT_UINT16, BASE_DEC,
VALS(digitech_parameter_ids_amp_cabinet_b), 0, NULL, HFILL }},
{ &hf_digitech_parameter_id_noisegate,
{ "Parameter ID", "sysex.digitech.parameter_id", FT_UINT16, BASE_DEC,
VALS(digitech_parameter_ids_noisegate), 0, NULL, HFILL }},
{ &hf_digitech_parameter_id_volume_pre_fx,
{ "Parameter ID", "sysex.digitech.parameter_id", FT_UINT16, BASE_DEC,
VALS(digitech_parameter_ids_volume_pre_fx), 0, NULL, HFILL }},
{ &hf_digitech_parameter_id_chorusfx,
{ "Parameter ID", "sysex.digitech.parameter_id", FT_UINT16, BASE_DEC | BASE_EXT_STRING,
&digitech_parameter_ids_chorusfx_ext, 0, NULL, HFILL }},
{ &hf_digitech_parameter_id_delay,
{ "Parameter ID", "sysex.digitech.parameter_id", FT_UINT16, BASE_DEC | BASE_EXT_STRING,
&digitech_parameter_ids_delay_ext, 0, NULL, HFILL }},
{ &hf_digitech_parameter_id_reverb,
{ "Parameter ID", "sysex.digitech.parameter_id", FT_UINT16, BASE_DEC,
VALS(digitech_parameter_ids_reverb), 0, NULL, HFILL }},
{ &hf_digitech_parameter_id_volume_post_fx,
{ "Parameter ID", "sysex.digitech.parameter_id", FT_UINT16, BASE_DEC,
VALS(digitech_parameter_ids_volume_post_fx), 0, NULL, HFILL }},
{ &hf_digitech_parameter_id_preset,
{ "Parameter ID", "sysex.digitech.parameter_id", FT_UINT16, BASE_DEC,
VALS(digitech_parameter_ids_preset), 0, NULL, HFILL }},
{ &hf_digitech_parameter_id_wah_min_max,
{ "Parameter ID", "sysex.digitech.parameter_id", FT_UINT16, BASE_DEC,
VALS(digitech_parameter_ids_wah_min_max), 0, NULL, HFILL }},
{ &hf_digitech_parameter_id_equalizer,
{ "Parameter ID", "sysex.digitech.parameter_id", FT_UINT16, BASE_DEC,
VALS(digitech_parameter_ids_equalizer), 0, NULL, HFILL }},
{ &hf_digitech_parameter_id_equalizer_b,
{ "Parameter ID", "sysex.digitech.parameter_id", FT_UINT16, BASE_DEC,
VALS(digitech_parameter_ids_equalizer_b), 0, NULL, HFILL }},
{ &hf_digitech_parameter_id_amp_loop,
{ "Parameter ID", "sysex.digitech.parameter_id", FT_UINT16, BASE_DEC,
VALS(digitech_parameter_ids_amp_loop), 0, NULL, HFILL }},
{ &hf_digitech_parameter_position,
{ "Parameter position", "sysex.digitech.parameter_position", FT_UINT8, BASE_DEC | BASE_EXT_STRING,
&digitech_parameter_positions_ext, 0, NULL, HFILL }},
{ &hf_digitech_parameter_data,
{ "Parameter data", "sysex.digitech.parameter_data", FT_UINT8, BASE_DEC,
NULL, 0, NULL, HFILL }},
{ &hf_digitech_parameter_data_count,
{ "Parameter value count", "sysex.digitech.parameter_data_count", FT_UINT8, BASE_DEC,
NULL, 0, NULL, HFILL }},
{ &hf_digitech_parameter_data_two_byte_count,
{ "Parameter data count", "sysex.digitech.parameter_data_count", FT_UINT24, BASE_DEC,
NULL, 0, NULL, HFILL }},
{ &hf_digitech_parameter_multibyte_data,
{ "Parameter data", "sysex.digitech.parameter_multibyte_data", FT_BYTES, BASE_NONE,
NULL, 0, NULL, HFILL }},
{ &hf_digitech_ack_request_proc_id,
{ "Requesting Procedure ID", "sysex.digitech.ack.procedure_id", FT_UINT8, BASE_HEX | BASE_EXT_STRING,
&digitech_procedures_ext, 0, "Procedure ID of the request being ACKed", HFILL }},
{ &hf_digitech_nack_request_proc_id,
{ "Requesting Procedure ID", "sysex.digitech.ack.procedure_id", FT_UINT8, BASE_HEX | BASE_EXT_STRING,
&digitech_procedures_ext, 0, "Procedure ID of the request being NACKed", HFILL }},
{ &hf_digitech_checksum,
{ "Checksum", "sysex.digitech.checksum", FT_UINT8, BASE_HEX,
NULL, 0, NULL, HFILL }},
};
static gint *sysex_subtrees[] = {
&ett_sysex
};
static ei_register_info ei[] = {
{ &ei_sysex_message_start_byte, { "sysex.message_start_byte", PI_PROTOCOL, PI_WARN, "SYSEX Error: Wrong start byte", EXPFILL }},
{ &ei_digitech_checksum_bad, { "sysex.digitech.checksum_bad", PI_CHECKSUM, PI_WARN, "ARP packet storm detected", EXPFILL }},
{ &ei_sysex_message_end_byte, { "sysex.message_end_byte", PI_PROTOCOL, PI_WARN, "SYSEX Error: Wrong end byte", EXPFILL }},
{ &ei_sysex_undecoded, { "sysex.undecoded", PI_UNDECODED, PI_WARN, "Not dissected yet (report to wireshark.org)", EXPFILL }},
};
expert_module_t* expert_sysex;
proto_sysex = proto_register_protocol("MIDI System Exclusive", "SYSEX", "sysex");
proto_register_field_array(proto_sysex, hf, array_length(hf));
proto_register_subtree_array(sysex_subtrees, array_length(sysex_subtrees));
expert_sysex = expert_register_protocol(proto_sysex);
expert_register_field_array(expert_sysex, ei, array_length(ei));
register_dissector("sysex", dissect_sysex_command, proto_sysex);
}
/*
* Editor modelines
*
* Local Variables:
* c-basic-offset: 4
* tab-width: 8
* indent-tabs-mode: nil
* End:
*
* ex: set shiftwidth=4 tabstop=8 expandtab:
* :indentSize=4:tabSize=8:noTabs=true:
*/