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wireshark/epan/dissectors/packet-sercosiii.c

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/* packet-sercosiii.c
* Routines for SERCOS III dissection
*
* Initial plugin code by,
* Bosch Rexroth
* Hilscher
*
* Hans-Peter Bock <hpbock@avaapgh.de>
*
* Convert to built-in dissector
* Michael Mann * Copyright 2011
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "config.h"
#include <epan/packet.h>
#include <epan/expert.h>
#include <epan/etypes.h>
#define MAX_SERCOS_DEVICES (512)
#define MAX_SERCOS_ADDRESS (511)
#define SERCOS_SLAVE_GROUP_SIZE (128)
#define COMMUNICATION_PHASE_0 (0x0)
#define COMMUNICATION_PHASE_1 (0x1)
#define COMMUNICATION_PHASE_2 (0x2)
#define COMMUNICATION_PHASE_3 (0x3)
#define COMMUNICATION_PHASE_4 (0x4)
void proto_register_sercosiii(void);
void proto_reg_handoff_sercosiii(void);
/* Initialize the protocol and registered fields */
static gint proto_siii = -1;
/* Initialize the subtree pointers */
static gint ett_siii = -1;
static gint ett_siii_header = -1;
static gint ett_siii_mst = -1;
static gint ett_siii_mst_teltype = -1;
static gint ett_siii_mst_phase = -1;
static gint ett_siii_mdt = -1;
static gint ett_siii_mdt_svc = -1;
static gint ett_siii_mdt_devctrls = -1;
static gint ett_siii_mdt_version = -1;
static gint ett_siii_mdt_svc_channel = -1;
static gint ett_siii_mdt_dev_control = -1;
static gint ett_siii_mdt_devctrl = -1;
static gint ett_siii_mdt_svcctrl = -1;
static gint ett_siii_mdt_svcinfo = -1;
static gint ett_siii_at_svcstat = -1;
static gint ett_siii_at_svcinfo = -1;
static gint ett_siii_mdt_svch_data_error_info = -1;
static gint ett_siii_mdt_svch_data = -1;
static gint ett_siii_at_devstatus = -1;
static gint ett_siii_at_sercosaddress = -1;
static gint ett_siii_at = -1;
static gint ett_siii_at_svc = -1;
static gint ett_siii_at_sercos_address = -1;
static gint ett_siii_at_devstats = -1;
static gint ett_siii_at_svc_channel = -1;
static gint ett_siii_at_dev_status = -1;
static gint ett_siii_mdt_hp = -1;
static gint ett_siii_at_hp = -1;
static gint ett_siii_mdt_hp_ctrl = -1;
static gint ett_siii_mdt_hp_info = -1;
static gint ett_siii_at_hp_stat = -1;
static gint ett_siii_at_hp_info = -1;
static gint ett_siii_recognized_devices = -1;
static gint hf_siii_mdt_version = -1;
static gint hf_siii_mdt_version_initprocvers = -1;
static gint hf_siii_mdt_version_num_mdt_at_cp1_2 = -1;
static gint hf_siii_mdt_version_switch_off_sercos_telegrams = -1;
static gint hf_siii_mdt_version_fast_cp_switch = -1;
static gint hf_siii_mdt_version_transmission_of_communication_parameters_mdt0_cp0 = -1;
static gint hf_siii_mdt_dev_control_top_control = -1;
static gint hf_siii_at_dev_control_ident = -1;
static gint hf_siii_mdt_dev_control_change_topology = -1;
static gint hf_siii_mdt_dev_control = -1;
static gint hf_siii_mst_channel = -1;
static gint hf_siii_mst_type = -1;
static gint hf_siii_mst_cyclecntvalid = -1;
static gint hf_siii_mst_telno = -1;
static gint hf_siii_mst_phase = -1;
static gint hf_siii_mst_cyclecnt = -1;
static gint hf_siii_mst_crc32 = -1;
static gint hf_siii_mdt_svch_dbe = -1;
static gint hf_siii_mdt_svch_eot = -1;
static gint hf_siii_mdt_svch_rw = -1;
static gint hf_siii_mdt_svch_mhs = -1;
static gint hf_siii_mdt_svch_info = -1;
static gint hf_siii_at_svch_valid = -1;
static gint hf_siii_at_svch_error = -1;
static gint hf_siii_at_svch_busy = -1;
static gint hf_siii_at_svch_ahs = -1;
static gint hf_siii_at_svch_info = -1;
static gint hf_siii_mdt_svch_idn = -1;
static gint hf_siii_mdt_svch_ctrl = -1;
static gint hf_siii_at_svch_stat = -1;
/* static gint hf_siii_svch_data_telofs_telno = -1; */
/* static gint hf_siii_svch_data_telofs_mdt_at = -1; */
/* static gint hf_siii_svch_data_telofs_offset = -1; */
/* static gint hf_siii_svch_data_proccmd_proccmdexec = -1; */
/* static gint hf_siii_svch_data_proccmd_proccmd = -1; */
static gint hf_siii_at_cp0_support_functions = -1;
static gint hf_siii_at_cp0_device_address = -1;
static gint hf_siii_at_dev_status = -1;
static gint hf_siii_at_dev_status_commwarning = -1;
static gint hf_siii_at_dev_status_change_topology = -1;
static gint hf_siii_at_dev_status_top_status = -1;
static gint hf_siii_at_dev_status_inactive_port_status = -1;
static gint hf_siii_at_dev_status_errorconnection = -1;
static gint hf_siii_at_dev_status_slave_valid = -1;
static gint hf_siii_at_dev_status_proc_command_change = -1;
static gint hf_siii_at_dev_status_parameterization_level_active = -1;
static gint hf_siii_mdt_hotplug_address = -1;
static gint hf_siii_mdt_hp_ctrl = -1;
static gint hf_siii_mdt_hp_info = -1;
static gint hf_siii_at_hotplug_address = -1;
static gint hf_siii_at_hp_stat = -1;
static gint hf_siii_at_hp_info = -1;
static gint hf_siii_mdt_hotplug_control_param = -1;
static gint hf_siii_mdt_hotplug_control_svc_switch = -1;
static gint hf_siii_at_hotplug_status_param = -1;
static gint hf_siii_at_hotplug_status_hp0_finished = -1;
static gint hf_siii_at_hotplug_status_error = -1;
static gint hf_siii_service_channels = -1;
static gint hf_siii_device_controls = -1;
static gint hf_siii_device_status = -1;
static gint hf_siii_idn_code = -1;
static gint hf_siii_at_cp0_num_devices = -1;
static gint hf_siii_at_cp0_sercos_address = -1;
static expert_field ei_siii_cp_unknown = EI_INIT;
/* Allow heuristic dissection */
static heur_dissector_list_t heur_subdissector_list;
static const value_string siii_mdt_version_num_mdtat_cp1_2_text[]=
{
{0x00, "2 MDTs/ATs in CP1/2"},
{0x01, "4 MDTs/ATs in CP1/2"},
{0, NULL}
};
static const true_false_string siii_mdt_version_fast_cp_switch_text = {
"Transmission of MST (MDT0) interrupted during CP switch for CPS delay time (120ms)",
"CPS delay time reduce to the re-configuration time of the master"
};
static const true_false_string siii_switch_off_sercos_telegram_text = {
"Industrial Ethernet devices not used by application",
"Industrial Ethernet devices used by application"
};
static const true_false_string siii_mdt_version_initprocvers_text = {
"No remote address allocation",
"Remote address allocation"
};
#if 0
static const value_string siii_svch_data_proccmd_proccmdexec_text[]=
{
{0, "Interrupt procedure command execution"},
{1, "Enable procedure command execution"},
{0, NULL}
};
static const value_string siii_svch_data_proccmd_proccmd_text[]=
{
{0, "Cancel procedure command"},
{1, "Set procedure command"},
{0, NULL}
};
static const value_string siii_svch_data_mdt_at_text[]=
{
{0, "AT-telegram"},
{1, "MDT-telegram"},
{0, NULL}
};
#endif
#define IDN(SI, SE, type, paramset, datablock) ((SI<<24)|(SE<<16)|(type<<15)|(paramset<<12)|(datablock))
static const value_string siii_mdt_idn_text[]=
{
{IDN(0,0,0,0, 0), "Dummy-Parameter"},
{IDN(0,0,0,0, 1), "Control unit cycle time (tNcyc)"},
{IDN(0,0,0,0, 2), "Communication cycle time (tScyc)"},
{IDN(0,0,0,0, 11), "Class 1 diagnostic"},
{IDN(0,0,0,0, 12), "Class 2 diagnostic"},
{IDN(0,0,0,0, 14), "Interface status"},
{IDN(0,0,0,0, 15), "Telegram Type"},
{IDN(0,0,0,0, 16), "Configuration list of AT"},
{IDN(0,0,0,0, 17), "IDN-list of all operation data"},
{IDN(0,0,0,0, 18), "IDN-list of operation data for CP2"},
{IDN(0,0,0,0, 19), "IDN-list of operation data for CP3"},
{IDN(0,0,0,0, 21), "IDN-list of invalid operation data for CP2"},
{IDN(0,0,0,0, 22), "IDN-list of invalid operation data for CP3"},
{IDN(0,0,0,0, 24), "Configuration list of MDT"},
{IDN(0,0,0,0, 25), "IDN-list of all procedure commands"},
{IDN(0,0,0,0, 26), "Configuration list for signal status word"},
{IDN(0,0,0,0, 27), "Configuration list for signal control word"},
{IDN(0,0,0,0, 28), "MST error counter"},
{IDN(0,0,0,0, 29), "MDT error counter"},
{IDN(0,0,0,0, 32), "Primary operation mode"},
{IDN(0,0,0,0, 36), "Velocity command value"},
{IDN(0,0,0,0, 37), "Additive velocity command value"},
{IDN(0,0,0,0, 38), "Positive velocity limit value"},
{IDN(0,0,0,0, 39), "Negative velocity limit value"},
{IDN(0,0,0,0, 40), "Velocity feedback value 1"},
{IDN(0,0,0,0, 41), "Homing velocity"},
{IDN(0,0,0,0, 42), "Homing acceleration"},
{IDN(0,0,0,0, 43), "Velocity polarity parameter"},
{IDN(0,0,0,0, 44), "Velocity data scaling type"},
{IDN(0,0,0,0, 45), "Velocity data scaling factor"},
{IDN(0,0,0,0, 46), "Velocity data scaling exponent"},
{IDN(0,0,0,0, 47), "Position command value"},
{IDN(0,0,0,0, 48), "Additive position command value"},
{IDN(0,0,0,0, 49), "Positive position limit value"},
{IDN(0,0,0,0, 50), "Negative position limit value"},
{IDN(0,0,0,0, 51), "Position feedback value 1 (motor feedback)"},
{IDN(0,0,0,0, 52), "Reference distance 1"},
{IDN(0,0,0,0, 53), "Position feedback value 2 (external feedback)"},
{IDN(0,0,0,0, 54), "Reference distance 2"},
{IDN(0,0,0,0, 55), "Position polarity parameter"},
{IDN(0,0,0,0, 57), "Position window"},
{IDN(0,0,0,0, 58), "Reversal clearance"},
{IDN(0,0,0,0, 59), "Position switch flag parameter"},
{IDN(0,0,0,0, 60), "Position switches (position switch points on 1-16)"},
{IDN(0,0,0,0, 76), "Position data scaling type"},
{IDN(0,0,0,0, 77), "Linear position data scaling factor"},
{IDN(0,0,0,0, 78), "Linear position data scaling exponent"},
{IDN(0,0,0,0, 79), "Rotational position resolution"},
{IDN(0,0,0,0, 80), "Torque command value"},
{IDN(0,0,0,0, 81), "Additive torque command value"},
{IDN(0,0,0,0, 82), "Positive torque limit value"},
{IDN(0,0,0,0, 83), "Negative torque limit value"},
{IDN(0,0,0,0, 84), "Torque feedback value"},
{IDN(0,0,0,0, 85), "Torque polarity parameter"},
{IDN(0,0,0,0, 86), "Torque/force data scaling type"},
{IDN(0,0,0,0, 91), "Bipolar velocity limit value"},
{IDN(0,0,0,0, 92), "Bipolar torque limit value"},
{IDN(0,0,0,0, 93), "Torque/force scaling data factor"},
{IDN(0,0,0,0, 94), "Torque/force scaling data exponent"},
{IDN(0,0,0,0, 95), "Diagnostic message"},
{IDN(0,0,0,0, 96), "Slave arrangement (SLKN)"},
{IDN(0,0,0,0, 97), "Mask class 2 diagnostic"},
{IDN(0,0,0,0, 98), "Mask class 3 diagnostic"},
{IDN(0,0,0,0, 99), "Reset class 1 diagnostic"},
{IDN(0,0,0,0, 100), "Velocity loop proportional gain"},
{IDN(0,0,0,0, 101), "Velocity loop integral action time"},
{IDN(0,0,0,0, 102), "Velocity loop differential time"},
{IDN(0,0,0,0, 103), "Modulo value"},
{IDN(0,0,0,0, 104), "Position loop KV-factor"},
{IDN(0,0,0,0, 105), "Position loop integral action time"},
{IDN(0,0,0,0, 106), "Current loop proportional gain 1"},
{IDN(0,0,0,0, 107), "Current loop integral action time 1"},
{IDN(0,0,0,0, 108), "Feedrate override"},
{IDN(0,0,0,0, 109), "Motor peak current"},
{IDN(0,0,0,0, 110), "Amplifier peak current"},
{IDN(0,0,0,0, 111), "Motor continuous stall current"},
{IDN(0,0,0,0, 112), "Amplifier rated current"},
{IDN(0,0,0,0, 113), "Maximum motor speed"},
{IDN(0,0,0,0, 114), "Load limit of the motor"},
{IDN(0,0,0,0, 115), "Position feedback 2 type"},
{IDN(0,0,0,0, 116), "Resolution of feedback 1"},
{IDN(0,0,0,0, 117), "Resolution of feedback 2"},
{IDN(0,0,0,0, 118), "Resolution of linear feedback"},
{IDN(0,0,0,0, 119), "Current loop proportional gain 2"},
{IDN(0,0,0,0, 120), "Current loop integral action time 2"},
{IDN(0,0,0,0, 121), "Input revolutions of load gear"},
{IDN(0,0,0,0, 122), "Output revolutions of load gear"},
{IDN(0,0,0,0, 123), "Feed constant"},
{IDN(0,0,0,0, 124), "Standstill window"},
{IDN(0,0,0,0, 125), "Velocity threshold (nx)"},
{IDN(0,0,0,0, 126), "Torque threshold (Tx)"},
{IDN(0,0,0,0, 127), "CP3 transition check"},
{IDN(0,0,0,0, 128), "CP4 transition check"},
{IDN(0,0,0,0, 129), "Manufacturer class 1 diagnostic"},
{IDN(0,0,0,0, 130), "Probe value 1 positive edge"},
{IDN(0,0,0,0, 131), "Probe value 1 negative edge"},
{IDN(0,0,0,0, 132), "Probe value 2 positive edge"},
{IDN(0,0,0,0, 133), "Probe value 2 negative edge"},
{IDN(0,0,0,0, 134), "Drive control"},
{IDN(0,0,0,0, 135), "Drive status"},
{IDN(0,0,0,0, 136), "Positive acceleration limit value"},
{IDN(0,0,0,0, 137), "Negative acceleration limit value"},
{IDN(0,0,0,0, 138), "Bipolar acceleration limit value"},
{IDN(0,0,0,0, 139), "Park axis procedure command"},
{IDN(0,0,0,0, 143), "SERCOS Interface version"},
{IDN(0,0,0,0, 144), "Signal status word"},
{IDN(0,0,0,0, 145), "Signal control word"},
{IDN(0,0,0,0, 146), "Control unit controlled homing procedure command"},
{IDN(0,0,0,0, 147), "Homing parameter"},
{IDN(0,0,0,0, 148), "Drive controlled homing procedure command"},
{IDN(0,0,0,0, 149), "Position drive stop procedure command"},
{IDN(0,0,0,0, 150), "Reference offset 1"},
{IDN(0,0,0,0, 151), "Reference offset 2"},
{IDN(0,0,0,0, 152), "Position spindle procedure command"},
{IDN(0,0,0,0, 153), "Spindle angle position"},
{IDN(0,0,0,0, 154), "Spindle positioning parameter"},
{IDN(0,0,0,0, 155), "Friction torque compensation"},
{IDN(0,0,0,0, 156), "Velocity feedback value 2"},
{IDN(0,0,0,0, 157), "Velocity window"},
{IDN(0,0,0,0, 158), "Power threshold (Px)"},
{IDN(0,0,0,0, 159), "Monitoring window"},
{IDN(0,0,0,0, 161), "Acceleration data scaling factor"},
{IDN(0,0,0,0, 162), "Acceleration data scaling exponent"},
{IDN(0,0,0,0, 163), "Weight counterbalance"},
{IDN(0,0,0,0, 164), "Acceleration feedback value 1"},
{IDN(0,0,0,0, 165), "Distance-coded reference marks A"},
{IDN(0,0,0,0, 166), "Distance-coded reference marks B"},
{IDN(0,0,0,0, 167), "Frequency limit of feedback 1"},
{IDN(0,0,0,0, 169), "Probe control"},
{IDN(0,0,0,0, 170), "Probing cycle procedure command"},
{IDN(0,0,0,0, 171), "Calculate displacement procedure command"},
{IDN(0,0,0,0, 172), "Displacement to the referenced system procedure command"},
{IDN(0,0,0,0, 173), "Marker position A"},
{IDN(0,0,0,0, 174), "Marker position B"},
{IDN(0,0,0,0, 175), "Displacement parameter 1"},
{IDN(0,0,0,0, 176), "Displacement parameter 2"},
{IDN(0,0,0,0, 177), "Absolute distance 1"},
{IDN(0,0,0,0, 178), "Absolute distance 2"},
{IDN(0,0,0,0, 179), "Probe status"},
{IDN(0,0,0,0, 180), "Spindle relative offset"},
{IDN(0,0,0,0, 181), "Manufacturer class 2 diagnostic"},
{IDN(0,0,0,0, 183), "Synchronization velocity window"},
{IDN(0,0,0,0, 184), "Synchronization velocity error limit"},
{IDN(0,0,0,0, 185), "Length of the configurable data record in the AT"},
{IDN(0,0,0,0, 186), "Length of the configurable data record in the MDT"},
{IDN(0,0,0,0, 187), "IDN list of configurable data in the AT"},
{IDN(0,0,0,0, 188), "IDN list of configurable data in the MDT"},
{IDN(0,0,0,0, 189), "Following distance"},
{IDN(0,0,0,0, 190), "Drive controlled gear engaging procedure command"},
{IDN(0,0,0,0, 191), "Cancel reference point procedure command"},
{IDN(0,0,0,0, 192), "IDN-list of all backup operation data"},
{IDN(0,0,0,0, 193), "Positioning jerk"},
{IDN(0,0,0,0, 194), "Acceleration command time"},
{IDN(0,0,0,0, 195), "Acceleration feedback value 2"},
{IDN(0,0,0,0, 196), "Motor rated current"},
{IDN(0,0,0,0, 197), "Set coordinate system procedure command"},
{IDN(0,0,0,0, 198), "Initial coordinate value"},
{IDN(0,0,0,0, 199), "Shift coordinate system procedure command"},
{IDN(0,0,0,0, 200), "Amplifier warning temperature"},
{IDN(0,0,0,0, 201), "Motor warning temperature"},
{IDN(0,0,0,0, 202), "Cooling error warning temperature"},
{IDN(0,0,0,0, 203), "Amplifier shut-down temperature"},
{IDN(0,0,0,0, 204), "Motor shut-down temperature"},
{IDN(0,0,0,0, 205), "Cooling error shut-down temperature"},
{IDN(0,0,0,0, 206), "Drive on delay time"},
{IDN(0,0,0,0, 207), "Drive off delay time"},
{IDN(0,0,0,0, 208), "Temperature data scaling type"},
{IDN(0,0,0,0, 209), "Lower adaptation limit"},
{IDN(0,0,0,0, 210), "Upper adaptation limit"},
{IDN(0,0,0,0, 211), "Adaptation proportional gain"},
{IDN(0,0,0,0, 212), "Adaptation integral action time"},
{IDN(0,0,0,0, 213), "Engaging dither amplitude"},
{IDN(0,0,0,0, 214), "Average engaging speed"},
{IDN(0,0,0,0, 215), "Engaging dither period"},
{IDN(0,0,0,0, 216), "Switch parameter set procedure command"},
{IDN(0,0,0,0, 217), "Parameter set preselection"},
{IDN(0,0,0,0, 218), "Gear-ration preselection"},
{IDN(0,0,0,0, 219), "IDN-list of parameter set"},
{IDN(0,0,0,0, 220), "Minimum spindle speed"},
{IDN(0,0,0,0, 221), "Maximum spindle speed"},
{IDN(0,0,0,0, 222), "Spindle positioning speed"},
{IDN(0,0,0,0, 223), "Drive controlled synchronous operation procedure command"},
{IDN(0,0,0,0, 224), "Lead Spindle Address"},
{IDN(0,0,0,0, 225), "Synchronous spindle revolutions"},
{IDN(0,0,0,0, 226), "Lead spindle revolutions"},
{IDN(0,0,0,0, 227), "Synchronous spindle revolutions"},
{IDN(0,0,0,0, 228), "Synchronization position window"},
{IDN(0,0,0,0, 229), "Synchronization position error limit"},
{IDN(0,0,0,0, 230), "Synchronization position offset"},
{IDN(0,0,0,0, 254), "Actual parameter set"},
{IDN(0,0,0,0, 255), "Actual gear ration"},
{IDN(0,0,0,0, 256), "Multiplication factor 1"},
{IDN(0,0,0,0, 257), "Multiplication factor 2"},
{IDN(0,0,0,0, 258), "Target position"},
{IDN(0,0,0,0, 259), "Positioning velocity"},
{IDN(0,0,0,0, 260), "Positioning acceleration"},
{IDN(0,0,0,0, 261), "Coarse position window"},
{IDN(0,0,0,0, 262), "Load defaults procedure command"},
{IDN(0,0,0,0, 263), "Load working memory procedure command"},
{IDN(0,0,0,0, 264), "Backup working memory procedure command"},
{IDN(0,0,0,0, 265), "Language selection"},
{IDN(0,0,0,0, 266), "List of available languages"},
{IDN(0,0,0,0, 267), "Password"},
{IDN(0,0,0,0, 268), "Angular setting"},
{IDN(0,0,0,0, 269), "Storage mode"},
{IDN(0,0,0,0, 270), "IDN-list of selected backup operation data"},
{IDN(0,0,0,0, 272), "Velocity window percentage"},
{IDN(0,0,0,0, 273), "Maximum drive off delay time"},
{IDN(0,0,0,0, 275), "Coordinate offset value"},
{IDN(0,0,0,0, 276), "Return to Modulo range procedure command"},
{IDN(0,0,0,0, 277), "Position feedback 1 type"},
{IDN(0,0,0,0, 278), "Maximum travel range"},
{IDN(0,0,0,0, 279), "IDN list of password protected data"},
{IDN(0,0,0,0, 280), "Underflow threshold"},
{IDN(0,0,0,0, 282), "Positioning command value"},
{IDN(0,0,0,0, 283), "Current coordinate offset"},
{IDN(0,0,0,0, 292), "List of supported operation modes"},
{IDN(0,0,0,0, 293), "Selectively backup working memory procedure command"},
{IDN(0,0,0,0, 294), "Divider modulo value"},
{IDN(0,0,0,0, 295), "Drive enable delay time"},
{IDN(0,0,0,0, 296), "Velocity feed forward gain"},
{IDN(0,0,0,0, 297), "Homing distance"},
{IDN(0,0,0,0, 298), "Suggest home switch distance"},
{IDN(0,0,0,0, 299), "Home switch offset 1"},
{IDN(0,0,0,0, 300), "Real-time control bit 1"},
{IDN(0,0,0,0, 301), "Allocation of real-time control bit 1",},
{IDN(0,0,0,0, 302), "Real-time control bit 2"},
{IDN(0,0,0,0, 303), "Allocation of real-time control bit 2"},
{IDN(0,0,0,0, 304), "Real-time status bit 1"},
{IDN(0,0,0,0, 305), "Allocation of real-time status bit 1"},
{IDN(0,0,0,0, 306), "Real-time status-bit 2"},
{IDN(0,0,0,0, 307), "Allocation of real-time status bit 2"},
{IDN(0,0,0,0, 308), "Synchronization operation status"},
{IDN(0,0,0,0, 309), "Synchronization error status"},
{IDN(0,0,0,0, 310), "Overload warning"},
{IDN(0,0,0,0, 311), "Amplifier overtemperature warning"},
{IDN(0,0,0,0, 312), "Motor overtemperature warning"},
{IDN(0,0,0,0, 313), "Cooling error warning"},
{IDN(0,0,0,0, 315), "Positioning velocity higher than n Limit"},
{IDN(0,0,0,0, 323), "Target position outside of travel range"},
{IDN(0,0,0,0, 326), "Parameter checksum"},
{IDN(0,0,0,0, 327), "IDN list of checksum parameter"},
{IDN(0,0,0,0, 328), "Bit number allocation list for signal status word"},
{IDN(0,0,0,0, 329), "Bit number allocation list for signal control word"},
{IDN(0,0,0,0, 330), "Status 'nfeedback = ncommand'"},
{IDN(0,0,0,0, 331), "Status 'nfeedback = 0'"},
{IDN(0,0,0,0, 332), "Status 'nfeedback less then nx'"},
{IDN(0,0,0,0, 333), "Status 'T higher than Tx'"},
{IDN(0,0,0,0, 334), "Status 'T greater than Tlimit '"},
{IDN(0,0,0,0, 335), "Status 'ncommand greater than nlimit'"},
{IDN(0,0,0,0, 336), "Status 'In position'"},
{IDN(0,0,0,0, 337), "Status 'P greater Px'"},
{IDN(0,0,0,0, 338), "Status 'Position feedback = active target position'"},
{IDN(0,0,0,0, 339), "Status 'nfeedback less than minimum spindle speed'"},
{IDN(0,0,0,0, 340), "Status 'nfeedback exceeds maximum spindle speed'"},
{IDN(0,0,0,0, 341), "Status 'In Coarse position'"},
{IDN(0,0,0,0, 342), "Status 'Target position attained'"},
{IDN(0,0,0,0, 343), "Status 'Interpolator halted'"},
{IDN(0,0,0,0, 346), "Positioning control"},
{IDN(0,0,0,0, 347), "Velocity error"},
{IDN(0,0,0,0, 348), "Acceleration feed forward gain"},
{IDN(0,0,0,0, 349), "Bipolar jerk limit"},
{IDN(0,0,0,0, 356), "Distance home switch - marker puls"},
{IDN(0,0,0,0, 357), "Marker pulse distance"},
{IDN(0,0,0,0, 358), "Home switch offset 2"},
{IDN(0,0,0,0, 359), "Positioning deceleration"},
{IDN(0,0,0,0, 360), "MDT data container"},
{IDN(0,0,0,0, 362), "MDT data container A list index"},
{IDN(0,0,0,0, 364), "AT data container A1"},
{IDN(0,0,0,0, 366), "AT data container A list index"},
{IDN(0,0,0,0, 368), "Data container A pointer"},
{IDN(0,0,0,0, 370), "MDT data container A/B configuration list"},
{IDN(0,0,0,0, 371), "AT data container A/B configuration list"},
{IDN(0,0,0,0, 372), "Drive Halt acceleration bipolar"},
{IDN(0,0,0,0, 377), "Velocity feedback monitoring window"},
{IDN(0,0,0,0, 378), "Absolute encoder range 1"},
{IDN(0,0,0,0, 379), "Absolute encoder range 2"},
{IDN(0,0,0,0, 380), "DC bus voltage"},
{IDN(0,0,0,0, 381), "DC bus current"},
{IDN(0,0,0,0, 382), "DC bus power"},
{IDN(0,0,0,0, 383), "Motor temperature"},
{IDN(0,0,0,0, 384), "Amplifier temperature"},
{IDN(0,0,0,0, 385), "Active power"},
{IDN(0,0,0,0, 386), "Active position feedback value"},
{IDN(0,0,0,0, 387), "Power overload"},
{IDN(0,0,0,0, 388), "Braking current limit"},
{IDN(0,0,0,0, 389), "Effective current"},
{IDN(0,0,0,0, 390), "DiagnosticNumber"},
{IDN(0,0,0,0, 391), "Position feedback monitoring window"},
{IDN(0,0,0,0, 392), "Velocity feedback filter"},
{IDN(0,0,0,0, 393), "Command value mode"},
{IDN(0,0,0,0, 398), "IDN list of configurable real-time/status bits"},
{IDN(0,0,0,0, 399), "IDN list of configurable real-time/control bits"},
{IDN(0,0,0,0, 400), "Home switch"},
{IDN(0,0,0,0, 401), "Probe 1"},
{IDN(0,0,0,0, 402), "Probe 2"},
{IDN(0,0,0,0, 403), "Position feedback value status"},
{IDN(0,0,0,0, 404), "Position command value status"},
{IDN(0,0,0,0, 405), "Probe 1 enable"},
{IDN(0,0,0,0, 406), "Probe 2 enable"},
{IDN(0,0,0,0, 407), "Homing enable"},
{IDN(0,0,0,0, 408), "Reference marker pulse registered"},
{IDN(0,0,0,0, 409), "Probe 1 positive latched"},
{IDN(0,0,0,0, 410), "Probe 1 negative latched"},
{IDN(0,0,0,0, 411), "Probe 2 positive latched"},
{IDN(0,0,0,0, 412), "Probe 2 negative latched"},
{IDN(0,0,0,0, 413), "Bit number allocation of real-time control bit 1"},
{IDN(0,0,0,0, 414), "Bit number allocation of real-time control bit 2"},
{IDN(0,0,0,0, 415), "Bit number allocation of real-time status bit 1"},
{IDN(0,0,0,0, 416), "Bit number allocation of real-time status bit 2"},
{IDN(0,0,0,0, 417), "Positioning velocity threshold in modulo mode"},
{IDN(0,0,0,0, 418), "Target position window in modulo mode"},
{IDN(0,0,0,0, 419), "Positioning acknowledge"},
{IDN(0,0,0,0, 420), "Activate parameterization level procedure command (PL)"},
{IDN(0,0,0,0, 422), "Exit parameterization level procedure command"},
{IDN(0,0,0,0, 423), "IDN-list of invalid data for parameterization level"},
{IDN(0,0,0,0, 426), "Measuring data allocation 1"},
{IDN(0,0,0,0, 427), "Measuring data allocation 2"},
{IDN(0,0,0,0, 428), "IDN list of configurable measuring data"},
{IDN(0,0,0,0, 429), "Emergency stop deceleration"},
{IDN(0,0,0,0, 430), "Active target position"},
{IDN(0,0,0,0, 431), "Spindle positioning acceleration bipolar"},
{IDN(0,0,0,0, 437), "Positioning status"},
{IDN(0,0,0,0, 446), "Ramp reference velocity"},
{IDN(0,0,0,0, 447), "Set absolute position procedure command"},
{IDN(0,0,0,0, 448), "Set absolute position control word"},
{IDN(0,0,0,0, 460), "Position switches (position switch points off 1-16)"},
{IDN(0,0,0,0, 476), "Position switch control"},
{IDN(0,0,0,0, 477), "Position switch hysteresis"},
{IDN(0,0,0,0, 478), "Limit switch status"},
{IDN(0,0,0,0, 509), "Extended probe control"},
{IDN(0,0,0,0, 510), "Difference value probe 1"},
{IDN(0,0,0,0, 511), "Difference value probe 2"},
{IDN(0,0,0,0, 512), "Start position probing window 1"},
{IDN(0,0,0,0, 513), "End position probing window 1"},
{IDN(0,0,0,0, 514), "Start position probing window 2"},
{IDN(0,0,0,0, 515), "End position probing window 2"},
{IDN(0,0,0,0, 516), "Marker losses probe 1"},
{IDN(0,0,0,0, 517), "Marker losses probe 2"},
{IDN(0,0,0,0, 518), "Maximum marker losses probe 1"},
{IDN(0,0,0,0, 519), "Maximum marker losses probe 2"},
{IDN(0,0,0,0, 520), "Axis control word"},
{IDN(0,0,0,0, 521), "Axis status word"},
{IDN(0,0,0,0, 522), "Difference value 1 latched"},
{IDN(0,0,0,0, 523), "Difference value 2 latched"},
{IDN(0,0,0,0, 524), "Probe 1 delay positive"},
{IDN(0,0,0,0, 525), "Delay Negative Edge, Probe 1"},
{IDN(0,0,0,0, 526), "Delay positive Edge, Probe 2"},
{IDN(0,0,0,0, 527), "Delay Negative Edge, Probe 2"},
{IDN(0,0,0,0, 530), "Clamping torque"},
{IDN(0,0,0,0, 531), "Checksum for backup operation data"},
{IDN(0,0,0,0, 532), "Limit switch control"},
{IDN(0,0,0,0, 533), "Motor continuous stall torque/force"},
{IDN(0,0,0,0,1000), "SCP Type & Version"},
{IDN(0,0,0,0,1001), "SERCOS III: Control unit cycle time (tNcyc)"},
{IDN(0,0,0,0,1002), "SERCOS III: Communication cycle time (tScyc)"},
{IDN(0,0,0,0,1003), "SERCOS III: Number of successive MDT errors"},
{IDN(0,0,0,0,1005), "SERCOS III: Feedback value computation time (t5)"},
{IDN(0,0,0,0,1006), "SERCOS III: AT transmission starting time (t1)"},
{IDN(0,0,0,0,1007), "SERCOS III: Synchronization time (t8)"},
{IDN(0,0,0,0,1008), "SERCOS III: Command value valid time (t3)"},
{IDN(0,0,0,0,1009), "SERCOS III: Device Control offset in MDT"},
{IDN(0,0,0,0,1010), "SERCOS III: Length of MDT"},
{IDN(0,0,0,0,1011), "SERCOS III: Device Status offset in AT"},
{IDN(0,0,0,0,1012), "SERCOS III: Length of AT"},
{IDN(0,0,0,0,1013), "SERCOS III: SVC offset in MDT"},
{IDN(0,0,0,0,1014), "SERCOS III: SVC offset in AT"},
{IDN(0,0,0,0,1015), "SERCOS III: Ring delay"},
{IDN(0,0,0,0,1016), "SERCOS III: Slave delay"},
{IDN(0,0,0,0,1017), "SERCOS III: Transmission starting time IP channel"},
{IDN(0,0,0,0,1018), "SERCOS III: SYNC delay"},
{IDN(0,0,0,0,1019), "SERCOS III: MAC address"},
{IDN(0,0,0,0,1020), "SERCOS III: IP address"},
{IDN(0,0,0,0,1021), "SERCOS III: Network mask"},
{IDN(0,0,0,0,1022), "SERCOS III: Gateway address"},
{IDN(0,0,0,0,1023), "SERCOS III: Sync jitter"},
{IDN(0,0,0,0,1024), "SERCOS III: Ring control - node control"},
{IDN(0,0,0,0,1025), "SERCOS III: Ring status - node status"},
{IDN(0,0,0,0,1026), "SERCOS III: Hardware identification"},
{IDN(0,0,0,0,1028), "SERCOS III: Error counter MDT0 MST"},
{IDN(0,0,0,0,1029), "SERCOS III: Error counter MDT0-3"},
{IDN(0,0,0,0,1030), "SERCOS III: Error counter AT0-3"},
{IDN(0,0,0,0,1031), "Signal assignment Port 1 & Port 2"},
{IDN(0,0,0,0,1035), "Error counter Port1 and Port2"},
{IDN(0,0,0,0,1040), "SERCOSAddress"},
{IDN(0,0,0,0,1041), "AT Command value valid time (t9)"},
{IDN(0,0,0,0,1044), "Device Control"},
{IDN(0,0,0,0,1045), "Device Status"},
{IDN(0,0,0,0,1046), "IDN-list of SERCOS addresses in device"},
{IDN(0,0,0,0,1134), "SERCOS III: Device control"},
{IDN(0,0,0,0,1135), "SERCOS III: Device status"},
{IDN(1,0,0,0,1027), "Requested MTU"},
{IDN(2,0,0,0,1027), "Effective MTU"},
{0, NULL}
};
static value_string_ext siii_mdt_idn_text_ext = VALUE_STRING_EXT_INIT(siii_mdt_idn_text);
static const value_string siii_mdt_svch_dbe_text[]=
{
{0x00, "Element 0: Closed SVC"},
{0x01, "Element 1: Opening IDN"},
{0x02, "Element 2: Name of operation data"},
{0x03, "Element 3: Attribute of operation data"},
{0x04, "Element 4: Unit of operation data"},
{0x05, "Element 5: Minimum value of operation data"},
{0x06, "Element 6: Maximum value of operation data"},
{0x07, "Element 7: Operation data"},
{0, NULL}
};
static const true_false_string siii_mdt_svch_eot_text = {
"Transmission in progress",
"Last transmission"
};
static const true_false_string siii_mdt_svch_rw_text = {
"Read SVC INFO",
"Write SVC INFO"
};
static const value_string siii_mdt_devcontrol_topcontrol_text[]=
{
{0x00, "Fast Forward on P/S-Channel"},
{0x01, "Loopback on P-Channel and Fast Forward"},
{0x02, "Loopback on S-Channel and Fast Forward"},
{0, NULL}
};
static const true_false_string siii_at_svch_error_text = {
"No error",
"Error in SVC"
};
static const true_false_string siii_at_svch_busy_text = {
"Step finished, slave ready for new step",
"Step in process, new step not allowed"
};
static const value_string siii_mst_phase_text[]=
{
{0x00, "CP0"},
{0x01, "CP1"},
{0x02, "CP2"},
{0x03, "CP3"},
{0x04, "CP4"},
{0x80, "CP0 (Phase Change)"},
{0x81, "CP1 (Phase Change)"},
{0x82, "CP2 (Phase Change)"},
{0x83, "CP3 (Phase Change)"},
{0x84, "CP4 (Phase Change)"},
{0, NULL}
};
#if 0
static const value_string siii_mst_teltype_text[]=
{
{0x00, "CP0"},
{0x01, "CP1"},
{0x02, "CP2"},
{0x03, "CP3"},
{0x04, "CP4"},
{0x80, "CP0 (Phase Change)"},
{0x81, "CP1 (Phase Change)"},
{0x82, "CP2 (Phase Change)"},
{0x83, "CP3 (Phase Change)"},
{0x84, "CP4 (Phase Change)"},
{0, NULL}
};
#endif
static const value_string siii_mst_channel_text[]=
{
{0x00, "P-Telegram"},
{0x01, "S-Telegram"},
{0, NULL}
};
static const value_string siii_mst_type_text[]=
{
{0x00, "MDT"},
{0x01, "AT"},
{0, NULL}
};
static const value_string siii_at_devstatus_errorconnection_text[]=
{
{0x00, "Error-free connection"},
{0x01, "Error in the connection occurs"},
{0, NULL}
};
static const value_string siii_at_devstatus_topstatus_text[]=
{
{0x00, "Fast Forward on P/S-Channel"},
{0x01, "Loopback on P-Channel and Fast Forward"},
{0x02, "Loopback on S-Channel and Fast Forward"},
{0, NULL}
};
static const true_false_string siii_at_cp0_support_functions_text = {
"Slave doesn't support one or more of the requested functions",
"Slave supports all requested functions"
};
static const value_string siii_at_devstatus_inactiveportstatus_text[]=
{
{0x00, "No link on port"},
{0x01, "Link on port"},
{0x02, "S III P-Telegram on port"},
{0x03, "S III S-Telegram on port"},
{0, NULL}
};
static const value_string siii_at_dev_status_proc_command_change_text[]=
{
{0x00, "No change in procedure command acknowledgement"},
{0x01, "Changing procedure command acknowledgement"},
{0, NULL}
};
static const value_string siii_mdt_hotplug_control_functioncode_text[]=
{
{0x00, "No data"},
{0x01, "tScyc"},
{0x02, "t1"},
{0x03, "t6"},
{0x04, "t7"},
{0x05, "Communication Version"},
{0x06, "Communication timeout"},
{0x10, "MDT0 Length"},
{0x11, "MDT1 Length"},
{0x12, "MDT2 Length"},
{0x13, "MDT3 Length"},
{0x20, "AT0 Length"},
{0x21, "AT1 Length"},
{0x22, "AT2 Length"},
{0x23, "AT3 Length"},
{0x80, "MDT-SVC pointer"},
{0x81, "MDT-RTD pointer"},
{0x82, "AT-SVC pointer"},
{0x83, "AT-RTD pointer"},
{0, NULL}
};
static value_string_ext siii_mdt_hotplug_control_functioncode_text_ext =
VALUE_STRING_EXT_INIT(siii_mdt_hotplug_control_functioncode_text);
static const value_string siii_mdt_hotplug_control_svc_switch_text[]=
{
{0, "Transmission via HP-field"},
{1, "Switch to SVC"},
{0, NULL}
};
static const value_string siii_mdt_hotplug_status_ackcode_text[]=
{
{0x80, "MDT-SVC pointer"},
{0x81, "MDT-RTD pointer"},
{0x82, "AT-SVC pointer"},
{0x83, "AT-RTD pointer"},
{255, "Next Sercos Slave has same address"},
{0, NULL}
};
static const value_string siii_at_hotplug_status_error_text[]=
{
{0, "Acknowledgement in HP-1"},
{1, "Error in HP-1"},
{0, NULL}
};
static void dissect_siii_mst(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree)
{
proto_tree *subtree;
proto_tree *subtree2;
subtree = proto_tree_add_subtree(tree, tvb, 0, 6, ett_siii_mst, NULL, "MST");
subtree2 = proto_tree_add_subtree(subtree, tvb, 0, 1, ett_siii_mst_teltype, NULL, "Telegram Type");
proto_tree_add_item(subtree2, hf_siii_mst_channel, tvb, 0, 1, ENC_LITTLE_ENDIAN);
proto_tree_add_item(subtree2, hf_siii_mst_type, tvb, 0, 1, ENC_LITTLE_ENDIAN);
proto_tree_add_item(subtree2, hf_siii_mst_cyclecntvalid, tvb, 0, 1, ENC_LITTLE_ENDIAN);
proto_tree_add_item(subtree2, hf_siii_mst_telno, tvb, 0, 1, ENC_LITTLE_ENDIAN);
subtree2 = proto_tree_add_subtree(subtree, tvb, 1, 1, ett_siii_mst_phase, NULL, "Phase Field");
proto_tree_add_item(subtree2, hf_siii_mst_phase, tvb, 1, 1, ENC_LITTLE_ENDIAN);
proto_tree_add_item(subtree2, hf_siii_mst_cyclecnt, tvb, 1, 1, ENC_LITTLE_ENDIAN);
proto_tree_add_item(subtree, hf_siii_mst_crc32, tvb, 2, 4, ENC_LITTLE_ENDIAN);
}
static void dissect_siii_mdt_hp(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree)
{
proto_tree *subtree;
static int * const ctrl_fields[] = {
&hf_siii_mdt_hotplug_control_svc_switch,
&hf_siii_mdt_hotplug_control_param,
NULL
};
subtree = proto_tree_add_subtree(tree, tvb, 0, 8, ett_siii_mdt_hp, NULL, "Hot-Plug");
proto_tree_add_item(subtree, hf_siii_mdt_hotplug_address, tvb, 0, 2, ENC_LITTLE_ENDIAN);
proto_tree_add_bitmask(subtree, tvb, 2, hf_siii_mdt_hp_ctrl,
ett_siii_mdt_hp_ctrl, ctrl_fields, ENC_LITTLE_ENDIAN);
proto_tree_add_item(subtree, hf_siii_mdt_hp_info, tvb, 4, 4, ENC_NA);
}
static void dissect_siii_mdt_devctrl(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree)
{
static int * const ctrl_fields[] = {
&hf_siii_at_dev_control_ident,
&hf_siii_mdt_dev_control_change_topology,
&hf_siii_mdt_dev_control_top_control,
NULL
};
proto_tree_add_bitmask(tree, tvb, 0, hf_siii_mdt_dev_control,
ett_siii_mdt_devctrl, ctrl_fields, ENC_LITTLE_ENDIAN);
}
static void dissect_siii_mdt_svc(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, guint devno _U_) /* devno will be needed in later versions */
{
proto_tree *subtree;
proto_item *ti;
static int * const svch_fields[] = {
&hf_siii_mdt_svch_dbe, /* data block element */
&hf_siii_mdt_svch_eot, /* end of transmission */
&hf_siii_mdt_svch_rw, /* read or write */
&hf_siii_mdt_svch_mhs, /* master hand shake */
NULL
};
guint16 svc_ctrl = tvb_get_letohs(tvb, 0); /* service channel header */
guint8 svc_dbe = (svc_ctrl>>3) & 7; /* accessed data block element */
proto_tree_add_bitmask(tree, tvb, 0, hf_siii_mdt_svch_ctrl,
ett_siii_mdt_svcctrl, svch_fields, ENC_LITTLE_ENDIAN);
ti = proto_tree_add_item(tree, hf_siii_mdt_svch_info, tvb, 2, 4, ENC_NA);
if (1 == svc_dbe)
{
subtree = proto_item_add_subtree(ti, ett_siii_mdt_svcinfo);
proto_tree_add_item(subtree, hf_siii_idn_code, tvb, 2, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(subtree, hf_siii_mdt_svch_idn, tvb, 2, 4, ENC_LITTLE_ENDIAN);
}
}
static void dissect_siii_mdt_cp0(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree)
{
static int * const version_fields[] = {
&hf_siii_mdt_version_switch_off_sercos_telegrams,
&hf_siii_mdt_version_fast_cp_switch,
&hf_siii_mdt_version_transmission_of_communication_parameters_mdt0_cp0,
&hf_siii_mdt_version_num_mdt_at_cp1_2,
&hf_siii_mdt_version_initprocvers,
NULL
};
proto_tree_add_bitmask(tree, tvb, 0, hf_siii_mdt_version,
ett_siii_mdt_version, version_fields, ENC_LITTLE_ENDIAN);
}
static void dissect_siii_mdt_cp1_2(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, guint telno)
{
guint devstart = telno * SERCOS_SLAVE_GROUP_SIZE; /* MDT0: slaves 0-127; MDT1: slaves 128-255; ... */
tvbuff_t *tvb_n;
guint idx;
proto_tree *subtree;
proto_tree *subtree_svc;
proto_tree *subtree_devctrl;
subtree_svc = proto_tree_add_subtree(tree, tvb, 0, SERCOS_SLAVE_GROUP_SIZE * 6, ett_siii_mdt_svc, NULL, "Service Channels");
subtree_devctrl = proto_tree_add_subtree(tree, tvb, SERCOS_SLAVE_GROUP_SIZE * 6, 512, ett_siii_mdt_svc, NULL, "Device Control");
for (idx = 0; idx < SERCOS_SLAVE_GROUP_SIZE; ++idx) /* each MDT of CP1/2 has data for 128 different slaves */
{
tvb_n = tvb_new_subset_length(tvb, 6 * idx, 6); /* subset for service channel data */
subtree = proto_tree_add_subtree_format(subtree_svc, tvb_n, 0, 6, ett_siii_mdt_svc_channel, NULL, "Device %u", idx + devstart);
dissect_siii_mdt_svc(tvb_n, pinfo, subtree, idx + devstart);
tvb_n = tvb_new_subset_length(tvb, SERCOS_SLAVE_GROUP_SIZE * 6 + 4 * idx, 2); /* subset for device control information */
subtree = proto_tree_add_subtree_format(subtree_devctrl, tvb_n, 0, 2, ett_siii_mdt_dev_control, NULL, "Device %u", idx + devstart);
dissect_siii_mdt_devctrl(tvb_n, pinfo, subtree);
}
}
static void dissect_siii_mdt_cp3_4(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, guint telno)
{
/* guint devstart _U_ = telno * SERCOS_SLAVE_GROUP_SIZE; */
if (0 == telno) /* dissect hotplug field in MDT0 only */
dissect_siii_mdt_hp(tvb, pinfo, tree);
/* offsets of service channel, device status and connections are unknown
* this data could be extracted from svc communication during CP2
*/
proto_tree_add_item(tree, hf_siii_service_channels, tvb, 0, 0, ENC_NA);
proto_tree_add_item(tree, hf_siii_device_controls, tvb, 0, 0, ENC_NA);
}
static void dissect_siii_mdt(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
{
proto_tree *subtree;
tvbuff_t *tvb_n;
guint t_phase;
guint telno;
col_set_str(pinfo->cinfo, COL_PROTOCOL, "SIII MDT");
t_phase = (tvb_get_guint8(tvb, 1)&0x8F); /* read communication phase out of SERCOS III header */
telno = (tvb_get_guint8(tvb, 0) & 0xF); /* read number of MDT out of SERCOS III header */
if (t_phase & 0x80) /* communication phase switching in progress */
{
col_append_fstr(pinfo->cinfo, COL_INFO, " Phase=CP?s -> CP%u",
(t_phase&0x0f));
}
else /* communication as usual */
{
col_append_fstr(pinfo->cinfo, COL_INFO, " Phase=CP%u",
(t_phase&0x0f));
}
subtree = proto_tree_add_subtree_format(tree, tvb, 0, -1, ett_siii_mdt, NULL, "MDT%u", telno);
dissect_siii_mst(tvb, pinfo, subtree); /* dissect SERCOS III header */
switch (t_phase) /* call the MDT dissector depending on the current communication phase */
{
case COMMUNICATION_PHASE_0: /* CP0 */
tvb_n = tvb_new_subset_length(tvb, 6, 40);
dissect_siii_mdt_cp0(tvb_n, pinfo, subtree);
break;
case COMMUNICATION_PHASE_1: /* CP1 */
case COMMUNICATION_PHASE_2: /* CP2 */
tvb_n = tvb_new_subset_length(tvb, 6, 1280);
dissect_siii_mdt_cp1_2(tvb_n, pinfo, subtree, telno);
break;
case COMMUNICATION_PHASE_3: /* CP3 */
case COMMUNICATION_PHASE_4: /* CP4 */
tvb_n = tvb_new_subset_remaining(tvb, 6);
dissect_siii_mdt_cp3_4(tvb_n, pinfo, subtree, telno);
break;
default:
proto_tree_add_expert(tree, pinfo, &ei_siii_cp_unknown, tvb, 6, -1);
}
}
static void dissect_siii_at_svc(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, guint devno _U_) /* devno will be used in later versions */
{
static int * const svch_fields[] = {
&hf_siii_at_svch_valid,
&hf_siii_at_svch_error,
&hf_siii_at_svch_busy,
&hf_siii_at_svch_ahs,
NULL
};
proto_tree_add_bitmask(tree, tvb, 0, hf_siii_at_svch_stat,
ett_siii_at_svcstat, svch_fields, ENC_LITTLE_ENDIAN);
proto_tree_add_item(tree, hf_siii_at_svch_info, tvb, 2, 4, ENC_NA);
}
static void dissect_siii_at_devstat(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree)
{
static int * const status[] = {
&hf_siii_at_dev_status_commwarning,
&hf_siii_at_dev_status_change_topology,
&hf_siii_at_dev_status_top_status,
&hf_siii_at_dev_status_inactive_port_status,
&hf_siii_at_dev_status_errorconnection,
&hf_siii_at_dev_status_slave_valid,
&hf_siii_at_dev_status_proc_command_change,
&hf_siii_at_dev_status_parameterization_level_active,
NULL
};
proto_tree_add_bitmask(tree, tvb, 0, hf_siii_at_dev_status,
ett_siii_at_devstatus, status, ENC_LITTLE_ENDIAN);
}
static void dissect_siii_at_hp(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree)
{
proto_tree *subtree;
static int * const status[] = {
&hf_siii_at_hotplug_status_error,
&hf_siii_at_hotplug_status_hp0_finished,
&hf_siii_at_hotplug_status_param,
NULL
};
subtree = proto_tree_add_subtree(tree, tvb, 0, 8, ett_siii_at_hp, NULL, "Hot-Plug");
proto_tree_add_item(subtree, hf_siii_at_hotplug_address, tvb, 0, 2, ENC_LITTLE_ENDIAN);
proto_tree_add_bitmask(subtree, tvb, 2, hf_siii_at_hp_stat, ett_siii_at_hp_stat, status, ENC_LITTLE_ENDIAN);
proto_tree_add_item(subtree, hf_siii_at_hp_info, tvb, 4, 4, ENC_NA);
}
static void dissect_siii_at_cp0(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree)
{
guint16 seqcnt; /* sequence counter */
guint16 tfield; /* topology field for sercos addresses */
guint16 i;
proto_tree *subtree, *subtree2;
proto_item* ti;
subtree = proto_tree_add_subtree(tree, tvb, 0, 1024, ett_siii_recognized_devices, NULL, "Recognized Devices");
/* check sequence count field */
seqcnt = tvb_get_letohs(tvb, 0);
proto_tree_add_uint(subtree, hf_siii_at_cp0_num_devices, tvb, 0, 2, (MAX_SERCOS_ADDRESS & seqcnt)-1);
/* check SERCOS address of each topology field */
for (i = 1; i < MAX_SERCOS_DEVICES; ++i)
{
tfield = tvb_get_letohs(tvb, i*2);
if (tfield == 0xFFFF)
{
proto_tree_add_uint_format(subtree, hf_siii_at_cp0_sercos_address, tvb, i*2, 2, 0xFFFF, "Sercos Address %u: No Device", i);
}
else
{
ti = proto_tree_add_uint_format(subtree, hf_siii_at_cp0_sercos_address, tvb, i*2, 2, (tfield & MAX_SERCOS_ADDRESS), "Sercos Address %u: %u", i, (tfield & MAX_SERCOS_ADDRESS));
subtree2 = proto_item_add_subtree(ti, ett_siii_at_sercos_address);
proto_tree_add_item(subtree2, hf_siii_at_cp0_support_functions, tvb, i*2, 2, ENC_LITTLE_ENDIAN);
proto_tree_add_item(subtree2, hf_siii_at_cp0_device_address, tvb, i*2, 2, ENC_LITTLE_ENDIAN);
}
}
}
static void dissect_siii_at_cp1_2(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, guint telno)
{
guint devstart = telno * SERCOS_SLAVE_GROUP_SIZE; /* AT0: slaves 0-127; AT1: slaves 128-255; ... */
tvbuff_t *tvb_n;
guint idx;
proto_tree *subtree;
proto_tree *subtree_svc;
proto_tree *subtree_devstat;
subtree_svc = proto_tree_add_subtree(tree, tvb, 0, SERCOS_SLAVE_GROUP_SIZE * 6, ett_siii_at_svc, NULL, "Service Channel");
subtree_devstat = proto_tree_add_subtree(tree, tvb, SERCOS_SLAVE_GROUP_SIZE * 6, 512, ett_siii_at_devstats, NULL, "Device Status");
for (idx = 0; idx < SERCOS_SLAVE_GROUP_SIZE; ++idx) /* each AT of CP1/2 has data of 128 different slaves */
{
tvb_n = tvb_new_subset_length(tvb, 6 * idx, 6); /* subset for service channel data */
subtree = proto_tree_add_subtree_format(subtree_svc, tvb_n, 0, 6, ett_siii_at_svc_channel, NULL, "Device %u", idx + devstart);
dissect_siii_at_svc(tvb_n, pinfo, subtree, idx + devstart);
tvb_n = tvb_new_subset_length(tvb, SERCOS_SLAVE_GROUP_SIZE * 6 + 4 * idx, 2); /* subset for device status information */
subtree = proto_tree_add_subtree_format(subtree_devstat, tvb_n, 0, 2, ett_siii_at_dev_status, NULL, "Device %u", idx + devstart);
dissect_siii_at_devstat(tvb_n, pinfo, subtree);
}
}
static void dissect_siii_at_cp3_4(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, guint telno)
{
if (0 == telno) /* dissect hotplug field in AT0 only */
dissect_siii_at_hp(tvb, pinfo, tree);
/* offsets of service channel, device status and connections are unknown
* this data could be extracted from svc communication during CP2
*/
proto_tree_add_item(tree, hf_siii_service_channels, tvb, 0, 0, ENC_NA);
proto_tree_add_item(tree, hf_siii_device_status, tvb, 0, 0, ENC_NA);
}
static void dissect_siii_at(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
{
proto_tree *subtree;
tvbuff_t *tvb_n;
guint8 phase;
guint telno;
phase = (tvb_get_guint8(tvb, 1)&0x8F); /* read communication phase out of SERCOS III header*/
telno = (tvb_get_guint8(tvb, 0) & 0xF); /* read number of AT out of SERCOS III header */
col_set_str(pinfo->cinfo, COL_PROTOCOL, "SIII AT");
if (phase & 0x80) /* communication phase switching in progress */
{
col_append_fstr(pinfo->cinfo, COL_INFO, " Phase=CP?s -> CP%u",
(phase&0x0f));
}
else /* communication as usual */
{
col_append_fstr(pinfo->cinfo, COL_INFO, " Phase=CP%u",
(phase&0x0f));
}
subtree = proto_tree_add_subtree_format(tree, tvb, 0, -1, ett_siii_at, NULL, "AT%u", telno);
dissect_siii_mst(tvb, pinfo, subtree); /* dissect SERCOS III header */
switch (phase) /* call the AT dissector depending on the current communication phase */
{
case COMMUNICATION_PHASE_0: /* CP0 */
tvb_n = tvb_new_subset_length(tvb, 6, 1024);
dissect_siii_at_cp0(tvb_n, pinfo, subtree);
break;
case COMMUNICATION_PHASE_1: /* CP1 */
case COMMUNICATION_PHASE_2: /* CP2 */
tvb_n = tvb_new_subset_length(tvb, 6, 1280);
dissect_siii_at_cp1_2(tvb_n, pinfo, subtree, telno);
break;
case COMMUNICATION_PHASE_3: /* CP3 */
case COMMUNICATION_PHASE_4: /* CP4 */
tvb_n = tvb_new_subset_remaining(tvb, 6);
dissect_siii_at_cp3_4(tvb_n, pinfo, subtree, telno);
break;
default:
proto_tree_add_expert(tree, pinfo, &ei_siii_cp_unknown, tvb, 6, -1);
break;
}
}
/* Main dissector entry */
static int
dissect_siii(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
{
proto_item *ti;
proto_tree *siii_tree;
guint type;
const char *tel_ch = "?";
const char *tel_type = "?";
guint tel_no = 0;
heur_dtbl_entry_t *hdtbl_entry;
/* setup columns */
col_set_str(pinfo->cinfo, COL_PROTOCOL, "SERCOS III V1.1");
col_clear(pinfo->cinfo, COL_INFO);
/*
* In case the packet is a protocol encoded in the basic SercosIII transport stream,
* give that protocol a chance to make a heuristic dissection, before we continue
* to dissect it as a normal SercosIII packet.
*/
if (dissector_try_heuristic(heur_subdissector_list, tvb, pinfo, tree, &hdtbl_entry, NULL))
return tvb_captured_length(tvb);
/* check what we got on our hand */
type = tvb_get_guint8(tvb, 0);
if (type & 0x80) /* primary or secondary channel */
tel_ch = "S";
else
tel_ch = "P";
if (type & 0x40) /* master data telegram (mdt) or slave telegram (at) */
tel_type = "AT ";
else
tel_type = "MDT";
tel_no = type &0xF; /* even though it's reserved (the V1.1 spec states that it is reserved for additional MDT/AT) */
col_append_fstr(pinfo->cinfo, COL_INFO, "%s%u Channel=%s", tel_type, tel_no, tel_ch);
ti = proto_tree_add_item(tree, proto_siii, tvb, 0, -1, ENC_NA);
siii_tree = proto_item_add_subtree(ti, ett_siii);
/* enter the specific dissector for AT or MDT */
if (type & 0x40)
dissect_siii_at(tvb, pinfo, siii_tree);
else
dissect_siii_mdt(tvb, pinfo, siii_tree);
return tvb_captured_length(tvb);
}
static void
sercosiii_idn_code_format( gchar *result, guint32 svc_info )
{
snprintf( result, ITEM_LABEL_LENGTH, "%c-%u-%04d.%d.%d",
((0xFFFF & svc_info)>>15)?'P':'S', /* private or sercos IDN */
(svc_info>>12)&7, /* parameter record */
(svc_info&4095), /* IDN */
(svc_info>>24) & 0xFF, /* structure index */
(svc_info>>16) & 0xFF); /* structure element */
}
void
proto_register_sercosiii(void)
{
static hf_register_info hf[] = {
{ &hf_siii_mdt_version,
{ "Communication Version", "siii.mdt.version",
FT_UINT32, BASE_HEX, NULL, 0,
NULL, HFILL }
},
{ &hf_siii_mdt_version_num_mdt_at_cp1_2,
{ "Number of MDTs and ATS in CP1 and CP2", "siii.mdt.version.num_mdt_at_cp1_2",
FT_UINT32, BASE_HEX, VALS(siii_mdt_version_num_mdtat_cp1_2_text), 0x00030000,
NULL, HFILL }
},
{ &hf_siii_mdt_version_transmission_of_communication_parameters_mdt0_cp0,
{ "Transmission of Communication parameters", "siii.mdt.version.mdt0_cp0_transm_comm_parameter",
FT_BOOLEAN, 32, TFS(&tfs_yes_no), 0x00100000,
NULL, HFILL }
},
{ &hf_siii_mdt_version_fast_cp_switch,
{ "Fast CP switch", "siii.mdt.version.mdt0_cp0_fast_cp_switch",
FT_BOOLEAN, 32, TFS(&siii_mdt_version_fast_cp_switch_text), 0x00200000,
NULL, HFILL }
},
{ &hf_siii_mdt_version_switch_off_sercos_telegrams,
{ "Switch off Sercos III telegrams", "siii.mdt.version.mdt0_cp0_switch_off_sercos_telegram",
FT_BOOLEAN, 32, TFS(&siii_switch_off_sercos_telegram_text), 0x00400000,
NULL, HFILL }
},
{ &hf_siii_mdt_version_initprocvers,
{ "Initialization Procedure Version Number", "siii.mdt.version.initprocvers",
FT_BOOLEAN, 32, TFS(&siii_mdt_version_initprocvers_text), 0x0000FF00,
NULL, HFILL }
},
{ &hf_siii_mdt_dev_control_top_control,
{ "Topology Control", "siii.mdt.devcontrol.topcontrol",
FT_UINT16, BASE_DEC, VALS(siii_mdt_devcontrol_topcontrol_text), 3<<(12),
NULL, HFILL }
},
{ &hf_siii_at_dev_control_ident,
{ "Identification", "siii.mdt.devcontrol.identrequest",
FT_UINT16, BASE_DEC, NULL, 0x8000,
NULL, HFILL }
},
{ &hf_siii_mdt_dev_control_change_topology,
{ "Changing Topology", "siii.mdt.devcontrol.topologychange",
FT_UINT16, BASE_DEC, NULL, 1<<14,
NULL, HFILL }
},
{ &hf_siii_mdt_dev_control,
{ "Word", "siii.mdt.devcontrol",
FT_UINT16, BASE_DEC, NULL, 0,
NULL, HFILL }
},
{ &hf_siii_at_dev_status,
{ "Word", "siii.at.devstatus",
FT_UINT16, BASE_HEX, NULL, 0,
NULL, HFILL }
},
{ &hf_siii_at_dev_status_commwarning,
{ "Communication Warning", "siii.at.devstatus.commwarning",
FT_UINT16, BASE_DEC, NULL, 1<<15,
NULL, HFILL }
},
{ &hf_siii_at_cp0_support_functions,
{ "Support of requested functions", "siii.at.supfunctions",
FT_BOOLEAN, 16, TFS(&siii_at_cp0_support_functions_text), 1<<15,
NULL, HFILL }
},
{ &hf_siii_at_cp0_device_address,
{ "Sercos Address", "siii.at.sercosaddress",
FT_UINT16, BASE_DEC, NULL, MAX_SERCOS_ADDRESS,
NULL, HFILL }
},
{ &hf_siii_at_dev_status_change_topology,
{ "Topology Change", "siii.at.devstatus.topologychanged",
FT_UINT16, BASE_DEC, NULL, 1<<14,
NULL, HFILL }
},
{ &hf_siii_at_dev_status_top_status,
{ "Topology Status", "siii.at.devstatus.topstatus",
FT_UINT16, BASE_DEC, VALS(siii_at_devstatus_topstatus_text), 0x3<<(12),
NULL, HFILL }
},
{ &hf_siii_at_dev_status_inactive_port_status,
{ "Port 1 Status", "siii.at.devstatus.inactportstatus",
FT_UINT16, BASE_DEC, VALS(siii_at_devstatus_inactiveportstatus_text), 0x3<<(10),
NULL, HFILL }
},
{ &hf_siii_at_dev_status_errorconnection,
{ "Topology Status", "siii.at.devstatus.errorconnection",
FT_UINT16, BASE_DEC, VALS(siii_at_devstatus_errorconnection_text), 1<<9,
NULL, HFILL }
},
{ &hf_siii_at_dev_status_slave_valid,
{ "Slave data valid", "siii.at.devstatus.slavevalid",
FT_UINT16, BASE_DEC, NULL, 1<<8,
NULL, HFILL }
},
{ &hf_siii_at_dev_status_proc_command_change,
{ "Procedure Command Change", "siii.at.devstatus.proccmdchange",
FT_UINT16, BASE_DEC, VALS(siii_at_dev_status_proc_command_change_text), 1<<5,
NULL, HFILL }
},
{ &hf_siii_at_dev_status_parameterization_level_active,
{ "Parameterization level active", "siii.at.devstatus.paralevelactive",
FT_UINT16, BASE_DEC, NULL, 1<<4,
NULL, HFILL }
},
{ &hf_siii_mdt_svch_ctrl,
{"SvcCtrl", "siii.mdt.svch.ctrl",
FT_UINT16, BASE_HEX, NULL, 0,
NULL, HFILL }
},
{ &hf_siii_at_svch_stat,
{"SvcStat", "siii.mdt.svch.stat",
FT_UINT16, BASE_HEX, NULL, 0,
NULL, HFILL }
},
{ &hf_siii_mdt_svch_info,
{"Svc Info", "siii.mdt.svch.info",
FT_BYTES, BASE_NONE, NULL, 0,
NULL, HFILL }
},
{ &hf_siii_at_svch_info,
{"Svc Info", "siii.at.svch.info",
FT_BYTES, BASE_NONE, NULL, 0,
NULL, HFILL }
},
{ &hf_siii_mdt_svch_idn,
{"IDN", "siii.mdt.svch.idn",
FT_UINT32, BASE_HEX | BASE_EXT_STRING, &siii_mdt_idn_text_ext, 0,
NULL, HFILL }
},
{ &hf_siii_mdt_svch_dbe,
{ "Data block element", "siii.mdt.svch.dbe",
FT_UINT16, BASE_DEC, VALS(siii_mdt_svch_dbe_text), 0x0038,
NULL, HFILL }
},
{ &hf_siii_mdt_svch_eot,
{"End of element transmission", "siii.mdt.svch.eot",
FT_BOOLEAN, 16, TFS(&siii_mdt_svch_eot_text), 0x0004,
NULL, HFILL }
},
{ &hf_siii_mdt_svch_rw,
{"Read/Write", "siii.mdt.svch.rw",
FT_BOOLEAN, 16, TFS(&siii_mdt_svch_rw_text), 0x0002,
NULL, HFILL }
},
{ &hf_siii_mdt_svch_mhs,
{"Master Handshake", "siii.mdt.svch.mhs",
FT_UINT16, BASE_DEC, NULL, 0x0001,
NULL, HFILL }
},
{ &hf_siii_at_svch_valid,
{ "SVC process", "siii.mdt.svch.proc",
FT_BOOLEAN, 16, TFS(&tfs_valid_not_valid), 0x0008,
NULL, HFILL }
},
{ &hf_siii_at_svch_error,
{"SVC Error", "siii.mdt.svch.error",
FT_BOOLEAN, 16, TFS(&siii_at_svch_error_text), 0x0004,
NULL, HFILL }
},
{ &hf_siii_at_svch_busy,
{"Busy", "siii.mdt.svch.busy",
FT_BOOLEAN, 16, TFS(&siii_at_svch_busy_text), 0x0002,
NULL, HFILL }
},
{ &hf_siii_at_svch_ahs,
{"Handshake", "siii.at.svch.ahs",
FT_UINT16, BASE_DEC, NULL, 0x01,
NULL, HFILL }
},
#if 0
{ &hf_siii_svch_data_telofs_telno,
{"Telegram Number", "siii.mdt.svch.data.telassign.telno",
FT_UINT16, BASE_DEC, NULL, 0xF000,
NULL, HFILL }
},
#endif
#if 0
{ &hf_siii_svch_data_telofs_mdt_at,
{"Telegram Type", "siii.mdt.svch.data.telassign.mdt_at",
FT_UINT16, BASE_DEC, VALS(siii_svch_data_mdt_at_text), 0x0800,
NULL, HFILL }
},
#endif
#if 0
{ &hf_siii_svch_data_telofs_offset,
{"Telegram Offset", "siii.mdt.svch.data.telassign.offset",
FT_UINT16, BASE_DEC, NULL, 0x07FF,
NULL, HFILL }
},
#endif
#if 0
{ &hf_siii_svch_data_proccmd_proccmdexec,
{"Procedure Command Execution", "siii.mdt.svch.data.proccmd.interrupt",
FT_UINT16, BASE_DEC, VALS(siii_svch_data_proccmd_proccmdexec_text), 0x0002,
NULL, HFILL }
},
#endif
#if 0
{ &hf_siii_svch_data_proccmd_proccmd,
{"Procedure Command", "siii.mdt.svch.data.proccmd.set",
FT_UINT16, BASE_DEC, VALS(siii_svch_data_proccmd_proccmd_text), 0x0001,
NULL, HFILL }
},
#endif
{ &hf_siii_mst_channel,
{ "Channel", "siii.channel",
FT_UINT8, BASE_DEC, VALS(siii_mst_channel_text), 0x80,
NULL, HFILL }
},
{ &hf_siii_mst_type,
{ "Telegram Type", "siii.type",
FT_UINT8, BASE_DEC, VALS(siii_mst_type_text), 0x40,
NULL, HFILL }
},
{ &hf_siii_mst_cyclecntvalid,
{ "Cycle Count Valid", "siii.cyclecntvalid",
FT_BOOLEAN, 8, TFS(&tfs_valid_invalid), 0x20,
NULL, HFILL }
},
{ &hf_siii_mst_telno,
{ "Telegram Number", "siii.telno",
FT_UINT8, BASE_DEC, NULL, 0x0F,
NULL, HFILL }
},
{ &hf_siii_mst_phase,
{ "Phase", "siii.mst.phase",
FT_UINT8, BASE_HEX, VALS(siii_mst_phase_text), 0x8F, /* CHANGED: SB: new value is 0x8F for masking out phase */
NULL, HFILL }
},
{ &hf_siii_mst_cyclecnt,
{ "Cycle Cnt", "siii.mst.cyclecnt",
FT_UINT8, BASE_DEC, NULL, 0x70, /* CHANGED: SB: new value is 0x70 for masking out cycle cnt */
NULL, HFILL }
},
{ &hf_siii_mst_crc32,
{ "CRC32", "siii.mst.crc32",
FT_UINT32, BASE_HEX, NULL, 0,
NULL, HFILL }
},
{ &hf_siii_mdt_hotplug_address,
{"Sercos address", "siii.mdt.hp.sercosaddress",
FT_UINT16, BASE_HEX, NULL, 0,
NULL, HFILL }
},
{ &hf_siii_mdt_hp_ctrl,
{"HP control", "siii.mdt.hp.ctrl",
FT_UINT16, BASE_HEX, NULL, 0,
NULL, HFILL }
},
{ &hf_siii_mdt_hp_info,
{"HP info", "siii.mdt.hp.info",
FT_BYTES, BASE_NONE, NULL, 0,
NULL, HFILL }
},
{ &hf_siii_at_hotplug_address,
{"Sercos address", "siii.at.hp.sercosaddress",
FT_UINT16, BASE_HEX, NULL, 0,
NULL, HFILL }
},
{ &hf_siii_at_hp_stat,
{"HP status", "siii.mdt.hp.stat",
FT_UINT16, BASE_HEX, NULL, 0,
NULL, HFILL }
},
{ &hf_siii_at_hp_info,
{"HP info", "siii.at.hp.info",
FT_BYTES, BASE_NONE, NULL, 0,
NULL, HFILL }
},
{ &hf_siii_mdt_hotplug_control_param,
{"Parameter", "siii.mdt.hp.parameter",
FT_UINT16, BASE_DEC | BASE_EXT_STRING, &siii_mdt_hotplug_control_functioncode_text_ext, 0xFF,
NULL, HFILL }
},
{ &hf_siii_mdt_hotplug_control_svc_switch,
{"Switch to SVC", "siii.mdt.hp.switch",
FT_UINT16, BASE_DEC, VALS(siii_mdt_hotplug_control_svc_switch_text), 0x0100,
NULL, HFILL }
},
{ &hf_siii_at_hotplug_status_param,
{"Parameter Received", "siii.at.hp.parameter",
FT_UINT16, BASE_DEC, VALS(siii_mdt_hotplug_status_ackcode_text), 0x00FF,
NULL, HFILL }
},
{ &hf_siii_at_hotplug_status_hp0_finished,
{"HP/SVC", "siii.at.hp.hp0_finished",
FT_UINT16, BASE_DEC, NULL, 0x0100,
NULL, HFILL }
},
{ &hf_siii_at_hotplug_status_error,
{"Error", "siii.at.hp.error",
FT_UINT16, BASE_DEC, VALS(siii_at_hotplug_status_error_text), 0x0200,
NULL, HFILL }
},
{ &hf_siii_service_channels,
{"Service Channels", "siii.service_channels",
FT_NONE, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_siii_device_controls,
{"Device Controls", "siii.device_controls",
FT_NONE, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_siii_device_status,
{"Device Status", "siii.device_status",
FT_NONE, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_siii_idn_code,
{"IDN code", "siii.idn_code",
FT_UINT32, BASE_CUSTOM, CF_FUNC(sercosiii_idn_code_format), 0x0,
NULL, HFILL }
},
{ &hf_siii_at_cp0_num_devices,
{"Number of Devices", "siii.at.cp0.num_devices",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_siii_at_cp0_sercos_address,
{"Sercos Address", "siii.at.cp0.sercos_address",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
};
/* Setup protocol subtree array */
static gint *ett[] = {
&ett_siii,
&ett_siii_header,
&ett_siii_mdt,
&ett_siii_mdt_version,
&ett_siii_mdt_svc,
&ett_siii_mdt_devctrls,
&ett_siii_mdt_svc_channel,
&ett_siii_mdt_dev_control,
&ett_siii_at,
&ett_siii_at_svc,
&ett_siii_at_sercos_address,
&ett_siii_at_devstats,
&ett_siii_at_svc_channel,
&ett_siii_at_dev_status,
&ett_siii_mdt_devctrl,
&ett_siii_at_devstatus,
&ett_siii_at_sercosaddress,
&ett_siii_mdt_svcctrl,
&ett_siii_mdt_svcinfo,
&ett_siii_at_svcstat,
&ett_siii_at_svcinfo,
&ett_siii_mdt_svch_data_error_info,
&ett_siii_mdt_svch_data,
&ett_siii_mst,
&ett_siii_mst_teltype,
&ett_siii_mst_phase,
&ett_siii_mdt_hp,
&ett_siii_at_hp,
&ett_siii_mdt_hp_ctrl,
&ett_siii_mdt_hp_info,
&ett_siii_at_hp_stat,
&ett_siii_at_hp_info,
&ett_siii_recognized_devices
};
static ei_register_info ei[] = {
{ &ei_siii_cp_unknown, { "siii.cp_unknown", PI_PROTOCOL, PI_WARN, "CP is unknown", EXPFILL }},
};
expert_module_t* expert_siii;
/* Register the protocol name and description */
proto_siii = proto_register_protocol("SERCOS III V1.1",
"SERCOS III V1.1", "siii");
register_dissector("sercosiii", dissect_siii, proto_siii);
/* subdissector code */
heur_subdissector_list = register_heur_dissector_list("sercosiii", proto_siii);
/* Required function calls to register the header fields and subtrees used */
proto_register_field_array(proto_siii, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
expert_siii = expert_register_protocol(proto_siii);
expert_register_field_array(expert_siii, ei, array_length(ei));
}
void
proto_reg_handoff_sercosiii(void)
{
dissector_handle_t siii_handle;
siii_handle = create_dissector_handle(dissect_siii, proto_siii);
dissector_add_uint("ethertype", ETHERTYPE_SERCOS, siii_handle);
}
/*
* Editor modelines
*
* Local Variables:
* c-basic-offset: 2
* tab-width: 8
* indent-tabs-mode: nil
* End:
*
* ex: set shiftwidth=2 tabstop=8 expandtab:
* :indentSize=2:tabSize=8:noTabs=true:
*/
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