1 /* packet-sercosiii.c
2 * Routines for SERCOS III dissection
3 *
4 * Initial plugin code by,
5 * Bosch Rexroth
6 * Hilscher
7 *
8 * Hans-Peter Bock <hpbock@avaapgh.de>
9 *
10 * Convert to built-in dissector
11 * Michael Mann * Copyright 2011
12 *
13 * Wireshark - Network traffic analyzer
14 * By Gerald Combs <gerald@wireshark.org>
15 * Copyright 1998 Gerald Combs
16 *
17 * SPDX-License-Identifier: GPL-2.0-or-later
18 */
19
20 #include "config.h"
21
22 #include <epan/packet.h>
23 #include <epan/expert.h>
24 #include <epan/etypes.h>
25
26 #define MAX_SERCOS_DEVICES (512)
27 #define MAX_SERCOS_ADDRESS (511)
28 #define SERCOS_SLAVE_GROUP_SIZE (128)
29
30 #define COMMUNICATION_PHASE_0 (0x0)
31 #define COMMUNICATION_PHASE_1 (0x1)
32 #define COMMUNICATION_PHASE_2 (0x2)
33 #define COMMUNICATION_PHASE_3 (0x3)
34 #define COMMUNICATION_PHASE_4 (0x4)
35
36 void proto_register_sercosiii(void);
37 void proto_reg_handoff_sercosiii(void);
38
39 /* Initialize the protocol and registered fields */
40 static gint proto_siii = -1;
41
42 /* Initialize the subtree pointers */
43 static gint ett_siii = -1;
44 static gint ett_siii_header = -1;
45 static gint ett_siii_mst = -1;
46 static gint ett_siii_mst_teltype = -1;
47 static gint ett_siii_mst_phase = -1;
48 static gint ett_siii_mdt = -1;
49 static gint ett_siii_mdt_svc = -1;
50 static gint ett_siii_mdt_devctrls = -1;
51 static gint ett_siii_mdt_version = -1;
52 static gint ett_siii_mdt_svc_channel = -1;
53 static gint ett_siii_mdt_dev_control = -1;
54 static gint ett_siii_mdt_devctrl = -1;
55 static gint ett_siii_mdt_svcctrl = -1;
56 static gint ett_siii_mdt_svcinfo = -1;
57 static gint ett_siii_at_svcstat = -1;
58 static gint ett_siii_at_svcinfo = -1;
59 static gint ett_siii_mdt_svch_data_error_info = -1;
60 static gint ett_siii_mdt_svch_data = -1;
61 static gint ett_siii_at_devstatus = -1;
62 static gint ett_siii_at_sercosaddress = -1;
63 static gint ett_siii_at = -1;
64 static gint ett_siii_at_svc = -1;
65 static gint ett_siii_at_sercos_address = -1;
66 static gint ett_siii_at_devstats = -1;
67 static gint ett_siii_at_svc_channel = -1;
68 static gint ett_siii_at_dev_status = -1;
69 static gint ett_siii_mdt_hp = -1;
70 static gint ett_siii_at_hp = -1;
71 static gint ett_siii_mdt_hp_ctrl = -1;
72 static gint ett_siii_mdt_hp_info = -1;
73 static gint ett_siii_at_hp_stat = -1;
74 static gint ett_siii_at_hp_info = -1;
75 static gint ett_siii_recognized_devices = -1;
76
77 static gint hf_siii_mdt_version = -1;
78 static gint hf_siii_mdt_version_initprocvers = -1;
79 static gint hf_siii_mdt_version_num_mdt_at_cp1_2 = -1;
80 static gint hf_siii_mdt_version_switch_off_sercos_telegrams = -1;
81 static gint hf_siii_mdt_version_fast_cp_switch = -1;
82 static gint hf_siii_mdt_version_transmission_of_communication_parameters_mdt0_cp0 = -1;
83 static gint hf_siii_mdt_dev_control_top_control = -1;
84 static gint hf_siii_at_dev_control_ident = -1;
85 static gint hf_siii_mdt_dev_control_change_topology = -1;
86 static gint hf_siii_mdt_dev_control = -1;
87 static gint hf_siii_mst_channel = -1;
88 static gint hf_siii_mst_type = -1;
89 static gint hf_siii_mst_cyclecntvalid = -1;
90 static gint hf_siii_mst_telno = -1;
91 static gint hf_siii_mst_phase = -1;
92 static gint hf_siii_mst_cyclecnt = -1;
93 static gint hf_siii_mst_crc32 = -1;
94 static gint hf_siii_mdt_svch_dbe = -1;
95 static gint hf_siii_mdt_svch_eot = -1;
96 static gint hf_siii_mdt_svch_rw = -1;
97 static gint hf_siii_mdt_svch_mhs = -1;
98 static gint hf_siii_mdt_svch_info = -1;
99 static gint hf_siii_at_svch_valid = -1;
100 static gint hf_siii_at_svch_error = -1;
101 static gint hf_siii_at_svch_busy = -1;
102 static gint hf_siii_at_svch_ahs = -1;
103 static gint hf_siii_at_svch_info = -1;
104 static gint hf_siii_mdt_svch_idn = -1;
105 static gint hf_siii_mdt_svch_ctrl = -1;
106 static gint hf_siii_at_svch_stat = -1;
107 /* static gint hf_siii_svch_data_telofs_telno = -1; */
108 /* static gint hf_siii_svch_data_telofs_mdt_at = -1; */
109 /* static gint hf_siii_svch_data_telofs_offset = -1; */
110 /* static gint hf_siii_svch_data_proccmd_proccmdexec = -1; */
111 /* static gint hf_siii_svch_data_proccmd_proccmd = -1; */
112 static gint hf_siii_at_cp0_support_functions = -1;
113 static gint hf_siii_at_cp0_device_address = -1;
114 static gint hf_siii_at_dev_status = -1;
115 static gint hf_siii_at_dev_status_commwarning = -1;
116 static gint hf_siii_at_dev_status_change_topology = -1;
117 static gint hf_siii_at_dev_status_top_status = -1;
118 static gint hf_siii_at_dev_status_inactive_port_status = -1;
119 static gint hf_siii_at_dev_status_errorconnection = -1;
120 static gint hf_siii_at_dev_status_slave_valid = -1;
121 static gint hf_siii_at_dev_status_proc_command_change = -1;
122 static gint hf_siii_at_dev_status_parameterization_level_active = -1;
123 static gint hf_siii_mdt_hotplug_address = -1;
124 static gint hf_siii_mdt_hp_ctrl = -1;
125 static gint hf_siii_mdt_hp_info = -1;
126 static gint hf_siii_at_hotplug_address = -1;
127 static gint hf_siii_at_hp_stat = -1;
128 static gint hf_siii_at_hp_info = -1;
129 static gint hf_siii_mdt_hotplug_control_param = -1;
130 static gint hf_siii_mdt_hotplug_control_svc_switch = -1;
131 static gint hf_siii_at_hotplug_status_param = -1;
132 static gint hf_siii_at_hotplug_status_hp0_finished = -1;
133 static gint hf_siii_at_hotplug_status_error = -1;
134 static gint hf_siii_service_channels = -1;
135 static gint hf_siii_device_controls = -1;
136 static gint hf_siii_device_status = -1;
137 static gint hf_siii_idn_code = -1;
138 static gint hf_siii_at_cp0_num_devices = -1;
139 static gint hf_siii_at_cp0_sercos_address = -1;
140
141 static expert_field ei_siii_cp_unknown = EI_INIT;
142
143
144 /* Allow heuristic dissection */
145 static heur_dissector_list_t heur_subdissector_list;
146
147 static const value_string siii_mdt_version_num_mdtat_cp1_2_text[]=
148 {
149 {0x00, "2 MDTs/ATs in CP1/2"},
150 {0x01, "4 MDTs/ATs in CP1/2"},
151 {0, NULL}
152 };
153
154 static const true_false_string siii_mdt_version_fast_cp_switch_text = {
155 "Transmission of MST (MDT0) interrupted during CP switch for CPS delay time (120ms)",
156 "CPS delay time reduce to the re-configuration time of the master"
157 };
158
159
160 static const true_false_string siii_switch_off_sercos_telegram_text = {
161 "Industrial Ethernet devices not used by application",
162 "Industrial Ethernet devices used by application"
163 };
164
165 static const true_false_string siii_mdt_version_initprocvers_text = {
166 "No remote address allocation",
167 "Remote address allocation"
168 };
169
170 #if 0
171 static const value_string siii_svch_data_proccmd_proccmdexec_text[]=
172 {
173 {0, "Interrupt procedure command execution"},
174 {1, "Enable procedure command execution"},
175 {0, NULL}
176 };
177
178 static const value_string siii_svch_data_proccmd_proccmd_text[]=
179 {
180 {0, "Cancel procedure command"},
181 {1, "Set procedure command"},
182 {0, NULL}
183 };
184
185 static const value_string siii_svch_data_mdt_at_text[]=
186 {
187 {0, "AT-telegram"},
188 {1, "MDT-telegram"},
189 {0, NULL}
190 };
191 #endif
192
193 #define IDN(SI, SE, type, paramset, datablock) ((SI<<24)|(SE<<16)|(type<<15)|(paramset<<12)|(datablock))
194
195 static const value_string siii_mdt_idn_text[]=
196 {
197 {IDN(0,0,0,0, 0), "Dummy-Parameter"},
198 {IDN(0,0,0,0, 1), "Control unit cycle time (tNcyc)"},
199 {IDN(0,0,0,0, 2), "Communication cycle time (tScyc)"},
200 {IDN(0,0,0,0, 11), "Class 1 diagnostic"},
201 {IDN(0,0,0,0, 12), "Class 2 diagnostic"},
202 {IDN(0,0,0,0, 14), "Interface status"},
203 {IDN(0,0,0,0, 15), "Telegram Type"},
204 {IDN(0,0,0,0, 16), "Configuration list of AT"},
205 {IDN(0,0,0,0, 17), "IDN-list of all operation data"},
206 {IDN(0,0,0,0, 18), "IDN-list of operation data for CP2"},
207 {IDN(0,0,0,0, 19), "IDN-list of operation data for CP3"},
208 {IDN(0,0,0,0, 21), "IDN-list of invalid operation data for CP2"},
209 {IDN(0,0,0,0, 22), "IDN-list of invalid operation data for CP3"},
210 {IDN(0,0,0,0, 24), "Configuration list of MDT"},
211 {IDN(0,0,0,0, 25), "IDN-list of all procedure commands"},
212 {IDN(0,0,0,0, 26), "Configuration list for signal status word"},
213 {IDN(0,0,0,0, 27), "Configuration list for signal control word"},
214 {IDN(0,0,0,0, 28), "MST error counter"},
215 {IDN(0,0,0,0, 29), "MDT error counter"},
216 {IDN(0,0,0,0, 32), "Primary operation mode"},
217 {IDN(0,0,0,0, 36), "Velocity command value"},
218 {IDN(0,0,0,0, 37), "Additive velocity command value"},
219 {IDN(0,0,0,0, 38), "Positive velocity limit value"},
220 {IDN(0,0,0,0, 39), "Negative velocity limit value"},
221 {IDN(0,0,0,0, 40), "Velocity feedback value 1"},
222 {IDN(0,0,0,0, 41), "Homing velocity"},
223 {IDN(0,0,0,0, 42), "Homing acceleration"},
224 {IDN(0,0,0,0, 43), "Velocity polarity parameter"},
225 {IDN(0,0,0,0, 44), "Velocity data scaling type"},
226 {IDN(0,0,0,0, 45), "Velocity data scaling factor"},
227 {IDN(0,0,0,0, 46), "Velocity data scaling exponent"},
228 {IDN(0,0,0,0, 47), "Position command value"},
229 {IDN(0,0,0,0, 48), "Additive position command value"},
230 {IDN(0,0,0,0, 49), "Positive position limit value"},
231 {IDN(0,0,0,0, 50), "Negative position limit value"},
232 {IDN(0,0,0,0, 51), "Position feedback value 1 (motor feedback)"},
233 {IDN(0,0,0,0, 52), "Reference distance 1"},
234 {IDN(0,0,0,0, 53), "Position feedback value 2 (external feedback)"},
235 {IDN(0,0,0,0, 54), "Reference distance 2"},
236 {IDN(0,0,0,0, 55), "Position polarity parameter"},
237 {IDN(0,0,0,0, 57), "Position window"},
238 {IDN(0,0,0,0, 58), "Reversal clearance"},
239 {IDN(0,0,0,0, 59), "Position switch flag parameter"},
240 {IDN(0,0,0,0, 60), "Position switches (position switch points on 1-16)"},
241 {IDN(0,0,0,0, 76), "Position data scaling type"},
242 {IDN(0,0,0,0, 77), "Linear position data scaling factor"},
243 {IDN(0,0,0,0, 78), "Linear position data scaling exponent"},
244 {IDN(0,0,0,0, 79), "Rotational position resolution"},
245 {IDN(0,0,0,0, 80), "Torque command value"},
246 {IDN(0,0,0,0, 81), "Additive torque command value"},
247 {IDN(0,0,0,0, 82), "Positive torque limit value"},
248 {IDN(0,0,0,0, 83), "Negative torque limit value"},
249 {IDN(0,0,0,0, 84), "Torque feedback value"},
250 {IDN(0,0,0,0, 85), "Torque polarity parameter"},
251 {IDN(0,0,0,0, 86), "Torque/force data scaling type"},
252 {IDN(0,0,0,0, 91), "Bipolar velocity limit value"},
253 {IDN(0,0,0,0, 92), "Bipolar torque limit value"},
254 {IDN(0,0,0,0, 93), "Torque/force scaling data factor"},
255 {IDN(0,0,0,0, 94), "Torque/force scaling data exponent"},
256 {IDN(0,0,0,0, 95), "Diagnostic message"},
257 {IDN(0,0,0,0, 96), "Slave arrangement (SLKN)"},
258 {IDN(0,0,0,0, 97), "Mask class 2 diagnostic"},
259 {IDN(0,0,0,0, 98), "Mask class 3 diagnostic"},
260 {IDN(0,0,0,0, 99), "Reset class 1 diagnostic"},
261 {IDN(0,0,0,0, 100), "Velocity loop proportional gain"},
262 {IDN(0,0,0,0, 101), "Velocity loop integral action time"},
263 {IDN(0,0,0,0, 102), "Velocity loop differential time"},
264 {IDN(0,0,0,0, 103), "Modulo value"},
265 {IDN(0,0,0,0, 104), "Position loop KV-factor"},
266 {IDN(0,0,0,0, 105), "Position loop integral action time"},
267 {IDN(0,0,0,0, 106), "Current loop proportional gain 1"},
268 {IDN(0,0,0,0, 107), "Current loop integral action time 1"},
269 {IDN(0,0,0,0, 108), "Feedrate override"},
270 {IDN(0,0,0,0, 109), "Motor peak current"},
271 {IDN(0,0,0,0, 110), "Amplifier peak current"},
272 {IDN(0,0,0,0, 111), "Motor continuous stall current"},
273 {IDN(0,0,0,0, 112), "Amplifier rated current"},
274 {IDN(0,0,0,0, 113), "Maximum motor speed"},
275 {IDN(0,0,0,0, 114), "Load limit of the motor"},
276 {IDN(0,0,0,0, 115), "Position feedback 2 type"},
277 {IDN(0,0,0,0, 116), "Resolution of feedback 1"},
278 {IDN(0,0,0,0, 117), "Resolution of feedback 2"},
279 {IDN(0,0,0,0, 118), "Resolution of linear feedback"},
280 {IDN(0,0,0,0, 119), "Current loop proportional gain 2"},
281 {IDN(0,0,0,0, 120), "Current loop integral action time 2"},
282 {IDN(0,0,0,0, 121), "Input revolutions of load gear"},
283 {IDN(0,0,0,0, 122), "Output revolutions of load gear"},
284 {IDN(0,0,0,0, 123), "Feed constant"},
285 {IDN(0,0,0,0, 124), "Standstill window"},
286 {IDN(0,0,0,0, 125), "Velocity threshold (nx)"},
287 {IDN(0,0,0,0, 126), "Torque threshold (Tx)"},
288 {IDN(0,0,0,0, 127), "CP3 transition check"},
289 {IDN(0,0,0,0, 128), "CP4 transition check"},
290 {IDN(0,0,0,0, 129), "Manufacturer class 1 diagnostic"},
291 {IDN(0,0,0,0, 130), "Probe value 1 positive edge"},
292 {IDN(0,0,0,0, 131), "Probe value 1 negative edge"},
293 {IDN(0,0,0,0, 132), "Probe value 2 positive edge"},
294 {IDN(0,0,0,0, 133), "Probe value 2 negative edge"},
295 {IDN(0,0,0,0, 134), "Drive control"},
296 {IDN(0,0,0,0, 135), "Drive status"},
297 {IDN(0,0,0,0, 136), "Positive acceleration limit value"},
298 {IDN(0,0,0,0, 137), "Negative acceleration limit value"},
299 {IDN(0,0,0,0, 138), "Bipolar acceleration limit value"},
300 {IDN(0,0,0,0, 139), "Park axis procedure command"},
301 {IDN(0,0,0,0, 143), "SERCOS Interface version"},
302 {IDN(0,0,0,0, 144), "Signal status word"},
303 {IDN(0,0,0,0, 145), "Signal control word"},
304 {IDN(0,0,0,0, 146), "Control unit controlled homing procedure command"},
305 {IDN(0,0,0,0, 147), "Homing parameter"},
306 {IDN(0,0,0,0, 148), "Drive controlled homing procedure command"},
307 {IDN(0,0,0,0, 149), "Position drive stop procedure command"},
308 {IDN(0,0,0,0, 150), "Reference offset 1"},
309 {IDN(0,0,0,0, 151), "Reference offset 2"},
310 {IDN(0,0,0,0, 152), "Position spindle procedure command"},
311 {IDN(0,0,0,0, 153), "Spindle angle position"},
312 {IDN(0,0,0,0, 154), "Spindle positioning parameter"},
313 {IDN(0,0,0,0, 155), "Friction torque compensation"},
314 {IDN(0,0,0,0, 156), "Velocity feedback value 2"},
315 {IDN(0,0,0,0, 157), "Velocity window"},
316 {IDN(0,0,0,0, 158), "Power threshold (Px)"},
317 {IDN(0,0,0,0, 159), "Monitoring window"},
318 {IDN(0,0,0,0, 161), "Acceleration data scaling factor"},
319 {IDN(0,0,0,0, 162), "Acceleration data scaling exponent"},
320 {IDN(0,0,0,0, 163), "Weight counterbalance"},
321 {IDN(0,0,0,0, 164), "Acceleration feedback value 1"},
322 {IDN(0,0,0,0, 165), "Distance-coded reference marks A"},
323 {IDN(0,0,0,0, 166), "Distance-coded reference marks B"},
324 {IDN(0,0,0,0, 167), "Frequency limit of feedback 1"},
325 {IDN(0,0,0,0, 169), "Probe control"},
326 {IDN(0,0,0,0, 170), "Probing cycle procedure command"},
327 {IDN(0,0,0,0, 171), "Calculate displacement procedure command"},
328 {IDN(0,0,0,0, 172), "Displacement to the referenced system procedure command"},
329 {IDN(0,0,0,0, 173), "Marker position A"},
330 {IDN(0,0,0,0, 174), "Marker position B"},
331 {IDN(0,0,0,0, 175), "Displacement parameter 1"},
332 {IDN(0,0,0,0, 176), "Displacement parameter 2"},
333 {IDN(0,0,0,0, 177), "Absolute distance 1"},
334 {IDN(0,0,0,0, 178), "Absolute distance 2"},
335 {IDN(0,0,0,0, 179), "Probe status"},
336 {IDN(0,0,0,0, 180), "Spindle relative offset"},
337 {IDN(0,0,0,0, 181), "Manufacturer class 2 diagnostic"},
338 {IDN(0,0,0,0, 183), "Synchronization velocity window"},
339 {IDN(0,0,0,0, 184), "Synchronization velocity error limit"},
340 {IDN(0,0,0,0, 185), "Length of the configurable data record in the AT"},
341 {IDN(0,0,0,0, 186), "Length of the configurable data record in the MDT"},
342 {IDN(0,0,0,0, 187), "IDN list of configurable data in the AT"},
343 {IDN(0,0,0,0, 188), "IDN list of configurable data in the MDT"},
344 {IDN(0,0,0,0, 189), "Following distance"},
345 {IDN(0,0,0,0, 190), "Drive controlled gear engaging procedure command"},
346 {IDN(0,0,0,0, 191), "Cancel reference point procedure command"},
347 {IDN(0,0,0,0, 192), "IDN-list of all backup operation data"},
348 {IDN(0,0,0,0, 193), "Positioning jerk"},
349 {IDN(0,0,0,0, 194), "Acceleration command time"},
350 {IDN(0,0,0,0, 195), "Acceleration feedback value 2"},
351 {IDN(0,0,0,0, 196), "Motor rated current"},
352 {IDN(0,0,0,0, 197), "Set coordinate system procedure command"},
353 {IDN(0,0,0,0, 198), "Initial coordinate value"},
354 {IDN(0,0,0,0, 199), "Shift coordinate system procedure command"},
355 {IDN(0,0,0,0, 200), "Amplifier warning temperature"},
356 {IDN(0,0,0,0, 201), "Motor warning temperature"},
357 {IDN(0,0,0,0, 202), "Cooling error warning temperature"},
358 {IDN(0,0,0,0, 203), "Amplifier shut-down temperature"},
359 {IDN(0,0,0,0, 204), "Motor shut-down temperature"},
360 {IDN(0,0,0,0, 205), "Cooling error shut-down temperature"},
361 {IDN(0,0,0,0, 206), "Drive on delay time"},
362 {IDN(0,0,0,0, 207), "Drive off delay time"},
363 {IDN(0,0,0,0, 208), "Temperature data scaling type"},
364 {IDN(0,0,0,0, 209), "Lower adaptation limit"},
365 {IDN(0,0,0,0, 210), "Upper adaptation limit"},
366 {IDN(0,0,0,0, 211), "Adaptation proportional gain"},
367 {IDN(0,0,0,0, 212), "Adaptation integral action time"},
368 {IDN(0,0,0,0, 213), "Engaging dither amplitude"},
369 {IDN(0,0,0,0, 214), "Average engaging speed"},
370 {IDN(0,0,0,0, 215), "Engaging dither period"},
371 {IDN(0,0,0,0, 216), "Switch parameter set procedure command"},
372 {IDN(0,0,0,0, 217), "Parameter set preselection"},
373 {IDN(0,0,0,0, 218), "Gear-ration preselection"},
374 {IDN(0,0,0,0, 219), "IDN-list of parameter set"},
375 {IDN(0,0,0,0, 220), "Minimum spindle speed"},
376 {IDN(0,0,0,0, 221), "Maximum spindle speed"},
377 {IDN(0,0,0,0, 222), "Spindle positioning speed"},
378 {IDN(0,0,0,0, 223), "Drive controlled synchronous operation procedure command"},
379 {IDN(0,0,0,0, 224), "Lead Spindle Address"},
380 {IDN(0,0,0,0, 225), "Synchronous spindle revolutions"},
381 {IDN(0,0,0,0, 226), "Lead spindle revolutions"},
382 {IDN(0,0,0,0, 227), "Synchronous spindle revolutions"},
383 {IDN(0,0,0,0, 228), "Synchronization position window"},
384 {IDN(0,0,0,0, 229), "Synchronization position error limit"},
385 {IDN(0,0,0,0, 230), "Synchronization position offset"},
386 {IDN(0,0,0,0, 254), "Actual parameter set"},
387 {IDN(0,0,0,0, 255), "Actual gear ration"},
388 {IDN(0,0,0,0, 256), "Multiplication factor 1"},
389 {IDN(0,0,0,0, 257), "Multiplication factor 2"},
390 {IDN(0,0,0,0, 258), "Target position"},
391 {IDN(0,0,0,0, 259), "Positioning velocity"},
392 {IDN(0,0,0,0, 260), "Positioning acceleration"},
393 {IDN(0,0,0,0, 261), "Coarse position window"},
394 {IDN(0,0,0,0, 262), "Load defaults procedure command"},
395 {IDN(0,0,0,0, 263), "Load working memory procedure command"},
396 {IDN(0,0,0,0, 264), "Backup working memory procedure command"},
397 {IDN(0,0,0,0, 265), "Language selection"},
398 {IDN(0,0,0,0, 266), "List of available languages"},
399 {IDN(0,0,0,0, 267), "Password"},
400 {IDN(0,0,0,0, 268), "Angular setting"},
401 {IDN(0,0,0,0, 269), "Storage mode"},
402 {IDN(0,0,0,0, 270), "IDN-list of selected backup operation data"},
403 {IDN(0,0,0,0, 272), "Velocity window percentage"},
404 {IDN(0,0,0,0, 273), "Maximum drive off delay time"},
405 {IDN(0,0,0,0, 275), "Coordinate offset value"},
406 {IDN(0,0,0,0, 276), "Return to Modulo range procedure command"},
407 {IDN(0,0,0,0, 277), "Position feedback 1 type"},
408 {IDN(0,0,0,0, 278), "Maximum travel range"},
409 {IDN(0,0,0,0, 279), "IDN list of password protected data"},
410 {IDN(0,0,0,0, 280), "Underflow threshold"},
411 {IDN(0,0,0,0, 282), "Positioning command value"},
412 {IDN(0,0,0,0, 283), "Current coordinate offset"},
413 {IDN(0,0,0,0, 292), "List of supported operation modes"},
414 {IDN(0,0,0,0, 293), "Selectively backup working memory procedure command"},
415 {IDN(0,0,0,0, 294), "Divider modulo value"},
416 {IDN(0,0,0,0, 295), "Drive enable delay time"},
417 {IDN(0,0,0,0, 296), "Velocity feed forward gain"},
418 {IDN(0,0,0,0, 297), "Homing distance"},
419 {IDN(0,0,0,0, 298), "Suggest home switch distance"},
420 {IDN(0,0,0,0, 299), "Home switch offset 1"},
421 {IDN(0,0,0,0, 300), "Real-time control bit 1"},
422 {IDN(0,0,0,0, 301), "Allocation of real-time control bit 1",},
423 {IDN(0,0,0,0, 302), "Real-time control bit 2"},
424 {IDN(0,0,0,0, 303), "Allocation of real-time control bit 2"},
425 {IDN(0,0,0,0, 304), "Real-time status bit 1"},
426 {IDN(0,0,0,0, 305), "Allocation of real-time status bit 1"},
427 {IDN(0,0,0,0, 306), "Real-time status-bit 2"},
428 {IDN(0,0,0,0, 307), "Allocation of real-time status bit 2"},
429 {IDN(0,0,0,0, 308), "Synchronization operation status"},
430 {IDN(0,0,0,0, 309), "Synchronization error status"},
431 {IDN(0,0,0,0, 310), "Overload warning"},
432 {IDN(0,0,0,0, 311), "Amplifier overtemperature warning"},
433 {IDN(0,0,0,0, 312), "Motor overtemperature warning"},
434 {IDN(0,0,0,0, 313), "Cooling error warning"},
435 {IDN(0,0,0,0, 315), "Positioning velocity higher than n Limit"},
436 {IDN(0,0,0,0, 323), "Target position outside of travel range"},
437 {IDN(0,0,0,0, 326), "Parameter checksum"},
438 {IDN(0,0,0,0, 327), "IDN list of checksum parameter"},
439 {IDN(0,0,0,0, 328), "Bit number allocation list for signal status word"},
440 {IDN(0,0,0,0, 329), "Bit number allocation list for signal control word"},
441 {IDN(0,0,0,0, 330), "Status 'nfeedback = ncommand'"},
442 {IDN(0,0,0,0, 331), "Status 'nfeedback = 0'"},
443 {IDN(0,0,0,0, 332), "Status 'nfeedback less then nx'"},
444 {IDN(0,0,0,0, 333), "Status 'T higher than Tx'"},
445 {IDN(0,0,0,0, 334), "Status 'T greater than Tlimit '"},
446 {IDN(0,0,0,0, 335), "Status 'ncommand greater than nlimit'"},
447 {IDN(0,0,0,0, 336), "Status 'In position'"},
448 {IDN(0,0,0,0, 337), "Status 'P greater Px'"},
449 {IDN(0,0,0,0, 338), "Status 'Position feedback = active target position'"},
450 {IDN(0,0,0,0, 339), "Status 'nfeedback less than minimum spindle speed'"},
451 {IDN(0,0,0,0, 340), "Status 'nfeedback exceeds maximum spindle speed'"},
452 {IDN(0,0,0,0, 341), "Status 'In Coarse position'"},
453 {IDN(0,0,0,0, 342), "Status 'Target position attained'"},
454 {IDN(0,0,0,0, 343), "Status 'Interpolator halted'"},
455 {IDN(0,0,0,0, 346), "Positioning control"},
456 {IDN(0,0,0,0, 347), "Velocity error"},
457 {IDN(0,0,0,0, 348), "Acceleration feed forward gain"},
458 {IDN(0,0,0,0, 349), "Bipolar jerk limit"},
459 {IDN(0,0,0,0, 356), "Distance home switch - marker puls"},
460 {IDN(0,0,0,0, 357), "Marker pulse distance"},
461 {IDN(0,0,0,0, 358), "Home switch offset 2"},
462 {IDN(0,0,0,0, 359), "Positioning deceleration"},
463 {IDN(0,0,0,0, 360), "MDT data container"},
464 {IDN(0,0,0,0, 362), "MDT data container A list index"},
465 {IDN(0,0,0,0, 364), "AT data container A1"},
466 {IDN(0,0,0,0, 366), "AT data container A list index"},
467 {IDN(0,0,0,0, 368), "Data container A pointer"},
468 {IDN(0,0,0,0, 370), "MDT data container A/B configuration list"},
469 {IDN(0,0,0,0, 371), "AT data container A/B configuration list"},
470 {IDN(0,0,0,0, 372), "Drive Halt acceleration bipolar"},
471 {IDN(0,0,0,0, 377), "Velocity feedback monitoring window"},
472 {IDN(0,0,0,0, 378), "Absolute encoder range 1"},
473 {IDN(0,0,0,0, 379), "Absolute encoder range 2"},
474 {IDN(0,0,0,0, 380), "DC bus voltage"},
475 {IDN(0,0,0,0, 381), "DC bus current"},
476 {IDN(0,0,0,0, 382), "DC bus power"},
477 {IDN(0,0,0,0, 383), "Motor temperature"},
478 {IDN(0,0,0,0, 384), "Amplifier temperature"},
479 {IDN(0,0,0,0, 385), "Active power"},
480 {IDN(0,0,0,0, 386), "Active position feedback value"},
481 {IDN(0,0,0,0, 387), "Power overload"},
482 {IDN(0,0,0,0, 388), "Braking current limit"},
483 {IDN(0,0,0,0, 389), "Effective current"},
484 {IDN(0,0,0,0, 390), "DiagnosticNumber"},
485 {IDN(0,0,0,0, 391), "Position feedback monitoring window"},
486 {IDN(0,0,0,0, 392), "Velocity feedback filter"},
487 {IDN(0,0,0,0, 393), "Command value mode"},
488 {IDN(0,0,0,0, 398), "IDN list of configurable real-time/status bits"},
489 {IDN(0,0,0,0, 399), "IDN list of configurable real-time/control bits"},
490 {IDN(0,0,0,0, 400), "Home switch"},
491 {IDN(0,0,0,0, 401), "Probe 1"},
492 {IDN(0,0,0,0, 402), "Probe 2"},
493 {IDN(0,0,0,0, 403), "Position feedback value status"},
494 {IDN(0,0,0,0, 404), "Position command value status"},
495 {IDN(0,0,0,0, 405), "Probe 1 enable"},
496 {IDN(0,0,0,0, 406), "Probe 2 enable"},
497 {IDN(0,0,0,0, 407), "Homing enable"},
498 {IDN(0,0,0,0, 408), "Reference marker pulse registered"},
499 {IDN(0,0,0,0, 409), "Probe 1 positive latched"},
500 {IDN(0,0,0,0, 410), "Probe 1 negative latched"},
501 {IDN(0,0,0,0, 411), "Probe 2 positive latched"},
502 {IDN(0,0,0,0, 412), "Probe 2 negative latched"},
503 {IDN(0,0,0,0, 413), "Bit number allocation of real-time control bit 1"},
504 {IDN(0,0,0,0, 414), "Bit number allocation of real-time control bit 2"},
505 {IDN(0,0,0,0, 415), "Bit number allocation of real-time status bit 1"},
506 {IDN(0,0,0,0, 416), "Bit number allocation of real-time status bit 2"},
507 {IDN(0,0,0,0, 417), "Positioning velocity threshold in modulo mode"},
508 {IDN(0,0,0,0, 418), "Target position window in modulo mode"},
509 {IDN(0,0,0,0, 419), "Positioning acknowledge"},
510 {IDN(0,0,0,0, 420), "Activate parameterization level procedure command (PL)"},
511 {IDN(0,0,0,0, 422), "Exit parameterization level procedure command"},
512 {IDN(0,0,0,0, 423), "IDN-list of invalid data for parameterization level"},
513 {IDN(0,0,0,0, 426), "Measuring data allocation 1"},
514 {IDN(0,0,0,0, 427), "Measuring data allocation 2"},
515 {IDN(0,0,0,0, 428), "IDN list of configurable measuring data"},
516 {IDN(0,0,0,0, 429), "Emergency stop deceleration"},
517 {IDN(0,0,0,0, 430), "Active target position"},
518 {IDN(0,0,0,0, 431), "Spindle positioning acceleration bipolar"},
519 {IDN(0,0,0,0, 437), "Positioning status"},
520 {IDN(0,0,0,0, 446), "Ramp reference velocity"},
521 {IDN(0,0,0,0, 447), "Set absolute position procedure command"},
522 {IDN(0,0,0,0, 448), "Set absolute position control word"},
523 {IDN(0,0,0,0, 460), "Position switches (position switch points off 1-16)"},
524 {IDN(0,0,0,0, 476), "Position switch control"},
525 {IDN(0,0,0,0, 477), "Position switch hysteresis"},
526 {IDN(0,0,0,0, 478), "Limit switch status"},
527 {IDN(0,0,0,0, 509), "Extended probe control"},
528 {IDN(0,0,0,0, 510), "Difference value probe 1"},
529 {IDN(0,0,0,0, 511), "Difference value probe 2"},
530 {IDN(0,0,0,0, 512), "Start position probing window 1"},
531 {IDN(0,0,0,0, 513), "End position probing window 1"},
532 {IDN(0,0,0,0, 514), "Start position probing window 2"},
533 {IDN(0,0,0,0, 515), "End position probing window 2"},
534 {IDN(0,0,0,0, 516), "Marker losses probe 1"},
535 {IDN(0,0,0,0, 517), "Marker losses probe 2"},
536 {IDN(0,0,0,0, 518), "Maximum marker losses probe 1"},
537 {IDN(0,0,0,0, 519), "Maximum marker losses probe 2"},
538 {IDN(0,0,0,0, 520), "Axis control word"},
539 {IDN(0,0,0,0, 521), "Axis status word"},
540 {IDN(0,0,0,0, 522), "Difference value 1 latched"},
541 {IDN(0,0,0,0, 523), "Difference value 2 latched"},
542 {IDN(0,0,0,0, 524), "Probe 1 delay positive"},
543 {IDN(0,0,0,0, 525), "Delay Negative Edge, Probe 1"},
544 {IDN(0,0,0,0, 526), "Delay positive Edge, Probe 2"},
545 {IDN(0,0,0,0, 527), "Delay Negative Edge, Probe 2"},
546 {IDN(0,0,0,0, 530), "Clamping torque"},
547 {IDN(0,0,0,0, 531), "Checksum for backup operation data"},
548 {IDN(0,0,0,0, 532), "Limit switch control"},
549 {IDN(0,0,0,0, 533), "Motor continuous stall torque/force"},
550 {IDN(0,0,0,0,1000), "SCP Type & Version"},
551 {IDN(0,0,0,0,1001), "SERCOS III: Control unit cycle time (tNcyc)"},
552 {IDN(0,0,0,0,1002), "SERCOS III: Communication cycle time (tScyc)"},
553 {IDN(0,0,0,0,1003), "SERCOS III: Number of successive MDT errors"},
554 {IDN(0,0,0,0,1005), "SERCOS III: Feedback value computation time (t5)"},
555 {IDN(0,0,0,0,1006), "SERCOS III: AT transmission starting time (t1)"},
556 {IDN(0,0,0,0,1007), "SERCOS III: Synchronization time (t8)"},
557 {IDN(0,0,0,0,1008), "SERCOS III: Command value valid time (t3)"},
558 {IDN(0,0,0,0,1009), "SERCOS III: Device Control offset in MDT"},
559 {IDN(0,0,0,0,1010), "SERCOS III: Length of MDT"},
560 {IDN(0,0,0,0,1011), "SERCOS III: Device Status offset in AT"},
561 {IDN(0,0,0,0,1012), "SERCOS III: Length of AT"},
562 {IDN(0,0,0,0,1013), "SERCOS III: SVC offset in MDT"},
563 {IDN(0,0,0,0,1014), "SERCOS III: SVC offset in AT"},
564 {IDN(0,0,0,0,1015), "SERCOS III: Ring delay"},
565 {IDN(0,0,0,0,1016), "SERCOS III: Slave delay"},
566 {IDN(0,0,0,0,1017), "SERCOS III: Transmission starting time IP channel"},
567 {IDN(0,0,0,0,1018), "SERCOS III: SYNC delay"},
568 {IDN(0,0,0,0,1019), "SERCOS III: MAC address"},
569 {IDN(0,0,0,0,1020), "SERCOS III: IP address"},
570 {IDN(0,0,0,0,1021), "SERCOS III: Network mask"},
571 {IDN(0,0,0,0,1022), "SERCOS III: Gateway address"},
572 {IDN(0,0,0,0,1023), "SERCOS III: Sync jitter"},
573 {IDN(0,0,0,0,1024), "SERCOS III: Ring control - node control"},
574 {IDN(0,0,0,0,1025), "SERCOS III: Ring status - node status"},
575 {IDN(0,0,0,0,1026), "SERCOS III: Hardware identification"},
576 {IDN(0,0,0,0,1028), "SERCOS III: Error counter MDT0 MST"},
577 {IDN(0,0,0,0,1029), "SERCOS III: Error counter MDT0-3"},
578 {IDN(0,0,0,0,1030), "SERCOS III: Error counter AT0-3"},
579 {IDN(0,0,0,0,1031), "Signal assignment Port 1 & Port 2"},
580 {IDN(0,0,0,0,1035), "Error counter Port1 and Port2"},
581 {IDN(0,0,0,0,1040), "SERCOSAddress"},
582 {IDN(0,0,0,0,1041), "AT Command value valid time (t9)"},
583 {IDN(0,0,0,0,1044), "Device Control"},
584 {IDN(0,0,0,0,1045), "Device Status"},
585 {IDN(0,0,0,0,1046), "IDN-list of SERCOS addresses in device"},
586 {IDN(0,0,0,0,1134), "SERCOS III: Device control"},
587 {IDN(0,0,0,0,1135), "SERCOS III: Device status"},
588 {IDN(1,0,0,0,1027), "Requested MTU"},
589 {IDN(2,0,0,0,1027), "Effective MTU"},
590 {0, NULL}
591 };
592 static value_string_ext siii_mdt_idn_text_ext = VALUE_STRING_EXT_INIT(siii_mdt_idn_text);
593
594 static const value_string siii_mdt_svch_dbe_text[]=
595 {
596 {0x00, "Element 0: Closed SVC"},
597 {0x01, "Element 1: Opening IDN"},
598 {0x02, "Element 2: Name of operation data"},
599 {0x03, "Element 3: Attribute of operation data"},
600 {0x04, "Element 4: Unit of operation data"},
601 {0x05, "Element 5: Minimum value of operation data"},
602 {0x06, "Element 6: Maximum value of operation data"},
603 {0x07, "Element 7: Operation data"},
604 {0, NULL}
605 };
606
607 static const true_false_string siii_mdt_svch_eot_text = {
608 "Transmission in progress",
609 "Last transmission"
610 };
611
612 static const true_false_string siii_mdt_svch_rw_text = {
613 "Read SVC INFO",
614 "Write SVC INFO"
615 };
616
617 static const value_string siii_mdt_devcontrol_topcontrol_text[]=
618 {
619 {0x00, "Fast Forward on P/S-Channel"},
620 {0x01, "Loopback on P-Channel and Fast Forward"},
621 {0x02, "Loopback on S-Channel and Fast Forward"},
622 {0, NULL}
623 };
624
625 static const true_false_string siii_at_svch_error_text = {
626 "No error",
627 "Error in SVC"
628 };
629
630 static const true_false_string siii_at_svch_busy_text = {
631 "Step finished, slave ready for new step",
632 "Step in process, new step not allowed"
633 };
634
635
636 static const value_string siii_mst_phase_text[]=
637 {
638 {0x00, "CP0"},
639 {0x01, "CP1"},
640 {0x02, "CP2"},
641 {0x03, "CP3"},
642 {0x04, "CP4"},
643 {0x80, "CP0 (Phase Change)"},
644 {0x81, "CP1 (Phase Change)"},
645 {0x82, "CP2 (Phase Change)"},
646 {0x83, "CP3 (Phase Change)"},
647 {0x84, "CP4 (Phase Change)"},
648 {0, NULL}
649 };
650
651 #if 0
652 static const value_string siii_mst_teltype_text[]=
653 {
654 {0x00, "CP0"},
655 {0x01, "CP1"},
656 {0x02, "CP2"},
657 {0x03, "CP3"},
658 {0x04, "CP4"},
659 {0x80, "CP0 (Phase Change)"},
660 {0x81, "CP1 (Phase Change)"},
661 {0x82, "CP2 (Phase Change)"},
662 {0x83, "CP3 (Phase Change)"},
663 {0x84, "CP4 (Phase Change)"},
664 {0, NULL}
665 };
666 #endif
667
668 static const value_string siii_mst_channel_text[]=
669 {
670 {0x00, "P-Telegram"},
671 {0x01, "S-Telegram"},
672 {0, NULL}
673 };
674
675 static const value_string siii_mst_type_text[]=
676 {
677 {0x00, "MDT"},
678 {0x01, "AT"},
679 {0, NULL}
680 };
681
682 static const value_string siii_at_devstatus_errorconnection_text[]=
683 {
684 {0x00, "Error-free connection"},
685 {0x01, "Error in the connection occurs"},
686 {0, NULL}
687 };
688
689 static const value_string siii_at_devstatus_topstatus_text[]=
690 {
691 {0x00, "Fast Forward on P/S-Channel"},
692 {0x01, "Loopback on P-Channel and Fast Forward"},
693 {0x02, "Loopback on S-Channel and Fast Forward"},
694 {0, NULL}
695 };
696
697 static const true_false_string siii_at_cp0_support_functions_text = {
698 "Slave doesn't support one or more of the requested functions",
699 "Slave supports all requested functions"
700 };
701
702 static const value_string siii_at_devstatus_inactiveportstatus_text[]=
703 {
704 {0x00, "No link on port"},
705 {0x01, "Link on port"},
706 {0x02, "S III P-Telegram on port"},
707 {0x03, "S III S-Telegram on port"},
708 {0, NULL}
709 };
710
711 static const value_string siii_at_dev_status_proc_command_change_text[]=
712 {
713 {0x00, "No change in procedure command acknowledgement"},
714 {0x01, "Changing procedure command acknowledgement"},
715 {0, NULL}
716 };
717
718
719 static const value_string siii_mdt_hotplug_control_functioncode_text[]=
720 {
721 {0x00, "No data"},
722 {0x01, "tScyc"},
723 {0x02, "t1"},
724 {0x03, "t6"},
725 {0x04, "t7"},
726 {0x05, "Communication Version"},
727 {0x06, "Communication timeout"},
728 {0x10, "MDT0 Length"},
729 {0x11, "MDT1 Length"},
730 {0x12, "MDT2 Length"},
731 {0x13, "MDT3 Length"},
732 {0x20, "AT0 Length"},
733 {0x21, "AT1 Length"},
734 {0x22, "AT2 Length"},
735 {0x23, "AT3 Length"},
736 {0x80, "MDT-SVC pointer"},
737 {0x81, "MDT-RTD pointer"},
738 {0x82, "AT-SVC pointer"},
739 {0x83, "AT-RTD pointer"},
740 {0, NULL}
741 };
742 static value_string_ext siii_mdt_hotplug_control_functioncode_text_ext =
743 VALUE_STRING_EXT_INIT(siii_mdt_hotplug_control_functioncode_text);
744
745 static const value_string siii_mdt_hotplug_control_svc_switch_text[]=
746 {
747 {0, "Transmission via HP-field"},
748 {1, "Switch to SVC"},
749 {0, NULL}
750 };
751
752 static const value_string siii_mdt_hotplug_status_ackcode_text[]=
753 {
754 {0x80, "MDT-SVC pointer"},
755 {0x81, "MDT-RTD pointer"},
756 {0x82, "AT-SVC pointer"},
757 {0x83, "AT-RTD pointer"},
758 {255, "Next Sercos Slave has same address"},
759 {0, NULL}
760 };
761
762 static const value_string siii_at_hotplug_status_error_text[]=
763 {
764 {0, "Acknowledgement in HP-1"},
765 {1, "Error in HP-1"},
766 {0, NULL}
767 };
768
769
770
771
772
dissect_siii_mst(tvbuff_t * tvb,packet_info * pinfo _U_,proto_tree * tree)773 static void dissect_siii_mst(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree)
774 {
775 proto_tree *subtree;
776 proto_tree *subtree2;
777
778 subtree = proto_tree_add_subtree(tree, tvb, 0, 6, ett_siii_mst, NULL, "MST");
779
780 subtree2 = proto_tree_add_subtree(subtree, tvb, 0, 1, ett_siii_mst_teltype, NULL, "Telegram Type");
781
782 proto_tree_add_item(subtree2, hf_siii_mst_channel, tvb, 0, 1, ENC_LITTLE_ENDIAN);
783 proto_tree_add_item(subtree2, hf_siii_mst_type, tvb, 0, 1, ENC_LITTLE_ENDIAN);
784 proto_tree_add_item(subtree2, hf_siii_mst_cyclecntvalid, tvb, 0, 1, ENC_LITTLE_ENDIAN);
785 proto_tree_add_item(subtree2, hf_siii_mst_telno, tvb, 0, 1, ENC_LITTLE_ENDIAN);
786
787 subtree2 = proto_tree_add_subtree(subtree, tvb, 1, 1, ett_siii_mst_phase, NULL, "Phase Field");
788
789 proto_tree_add_item(subtree2, hf_siii_mst_phase, tvb, 1, 1, ENC_LITTLE_ENDIAN);
790 proto_tree_add_item(subtree2, hf_siii_mst_cyclecnt, tvb, 1, 1, ENC_LITTLE_ENDIAN);
791 proto_tree_add_item(subtree, hf_siii_mst_crc32, tvb, 2, 4, ENC_LITTLE_ENDIAN);
792
793 }
794
dissect_siii_mdt_hp(tvbuff_t * tvb,packet_info * pinfo _U_,proto_tree * tree)795 static void dissect_siii_mdt_hp(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree)
796 {
797 proto_tree *subtree;
798
799 static int * const ctrl_fields[] = {
800 &hf_siii_mdt_hotplug_control_svc_switch,
801 &hf_siii_mdt_hotplug_control_param,
802 NULL
803 };
804
805 subtree = proto_tree_add_subtree(tree, tvb, 0, 8, ett_siii_mdt_hp, NULL, "Hot-Plug");
806
807 proto_tree_add_item(subtree, hf_siii_mdt_hotplug_address, tvb, 0, 2, ENC_LITTLE_ENDIAN);
808
809 proto_tree_add_bitmask(subtree, tvb, 2, hf_siii_mdt_hp_ctrl,
810 ett_siii_mdt_hp_ctrl, ctrl_fields, ENC_LITTLE_ENDIAN);
811
812 proto_tree_add_item(subtree, hf_siii_mdt_hp_info, tvb, 4, 4, ENC_NA);
813 }
814
dissect_siii_mdt_devctrl(tvbuff_t * tvb,packet_info * pinfo _U_,proto_tree * tree)815 static void dissect_siii_mdt_devctrl(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree)
816 {
817 static int * const ctrl_fields[] = {
818 &hf_siii_at_dev_control_ident,
819 &hf_siii_mdt_dev_control_change_topology,
820 &hf_siii_mdt_dev_control_top_control,
821 NULL
822 };
823
824 proto_tree_add_bitmask(tree, tvb, 0, hf_siii_mdt_dev_control,
825 ett_siii_mdt_devctrl, ctrl_fields, ENC_LITTLE_ENDIAN);
826 }
827
dissect_siii_mdt_svc(tvbuff_t * tvb,packet_info * pinfo _U_,proto_tree * tree,guint devno _U_)828 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 */
829 {
830 proto_tree *subtree;
831 proto_item *ti;
832
833 static int * const svch_fields[] = {
834 &hf_siii_mdt_svch_dbe, /* data block element */
835 &hf_siii_mdt_svch_eot, /* end of transmission */
836 &hf_siii_mdt_svch_rw, /* read or write */
837 &hf_siii_mdt_svch_mhs, /* master hand shake */
838 NULL
839 };
840
841 guint16 svc_ctrl = tvb_get_letohs(tvb, 0); /* service channel header */
842 guint8 svc_dbe = (svc_ctrl>>3) & 7; /* accessed data block element */
843
844 proto_tree_add_bitmask(tree, tvb, 0, hf_siii_mdt_svch_ctrl,
845 ett_siii_mdt_svcctrl, svch_fields, ENC_LITTLE_ENDIAN);
846
847 ti = proto_tree_add_item(tree, hf_siii_mdt_svch_info, tvb, 2, 4, ENC_NA);
848
849 if (1 == svc_dbe)
850 {
851 subtree = proto_item_add_subtree(ti, ett_siii_mdt_svcinfo);
852 proto_tree_add_item(subtree, hf_siii_idn_code, tvb, 2, 4, ENC_LITTLE_ENDIAN);
853 proto_tree_add_item(subtree, hf_siii_mdt_svch_idn, tvb, 2, 4, ENC_LITTLE_ENDIAN);
854 }
855 }
856
dissect_siii_mdt_cp0(tvbuff_t * tvb,packet_info * pinfo _U_,proto_tree * tree)857 static void dissect_siii_mdt_cp0(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree)
858 {
859 static int * const version_fields[] = {
860 &hf_siii_mdt_version_switch_off_sercos_telegrams,
861 &hf_siii_mdt_version_fast_cp_switch,
862 &hf_siii_mdt_version_transmission_of_communication_parameters_mdt0_cp0,
863 &hf_siii_mdt_version_num_mdt_at_cp1_2,
864 &hf_siii_mdt_version_initprocvers,
865 NULL
866 };
867
868 proto_tree_add_bitmask(tree, tvb, 0, hf_siii_mdt_version,
869 ett_siii_mdt_version, version_fields, ENC_LITTLE_ENDIAN);
870 }
871
dissect_siii_mdt_cp1_2(tvbuff_t * tvb,packet_info * pinfo,proto_tree * tree,guint telno)872 static void dissect_siii_mdt_cp1_2(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, guint telno)
873 {
874 guint devstart = telno * SERCOS_SLAVE_GROUP_SIZE; /* MDT0: slaves 0-127; MDT1: slaves 128-255; ... */
875 tvbuff_t *tvb_n;
876
877 guint idx;
878 proto_tree *subtree;
879 proto_tree *subtree_svc;
880 proto_tree *subtree_devctrl;
881
882 subtree_svc = proto_tree_add_subtree(tree, tvb, 0, SERCOS_SLAVE_GROUP_SIZE * 6, ett_siii_mdt_svc, NULL, "Service Channels");
883
884 subtree_devctrl = proto_tree_add_subtree(tree, tvb, SERCOS_SLAVE_GROUP_SIZE * 6, 512, ett_siii_mdt_svc, NULL, "Device Control");
885
886 for (idx = 0; idx < SERCOS_SLAVE_GROUP_SIZE; ++idx) /* each MDT of CP1/2 has data for 128 different slaves */
887 {
888 tvb_n = tvb_new_subset_length(tvb, 6 * idx, 6); /* subset for service channel data */
889
890 subtree = proto_tree_add_subtree_format(subtree_svc, tvb_n, 0, 6, ett_siii_mdt_svc_channel, NULL, "Device %u", idx + devstart);
891 dissect_siii_mdt_svc(tvb_n, pinfo, subtree, idx + devstart);
892
893 tvb_n = tvb_new_subset_length(tvb, SERCOS_SLAVE_GROUP_SIZE * 6 + 4 * idx, 2); /* subset for device control information */
894
895 subtree = proto_tree_add_subtree_format(subtree_devctrl, tvb_n, 0, 2, ett_siii_mdt_dev_control, NULL, "Device %u", idx + devstart);
896
897 dissect_siii_mdt_devctrl(tvb_n, pinfo, subtree);
898 }
899 }
900
dissect_siii_mdt_cp3_4(tvbuff_t * tvb,packet_info * pinfo,proto_tree * tree,guint telno)901 static void dissect_siii_mdt_cp3_4(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, guint telno)
902 {
903 /* guint devstart _U_ = telno * SERCOS_SLAVE_GROUP_SIZE; */
904
905 if (0 == telno) /* dissect hotplug field in MDT0 only */
906 dissect_siii_mdt_hp(tvb, pinfo, tree);
907
908 /* offsets of service channel, device status and connections are unknown
909 * this data could be extracted from svc communication during CP2
910 */
911 proto_tree_add_item(tree, hf_siii_service_channels, tvb, 0, 0, ENC_NA);
912
913 proto_tree_add_item(tree, hf_siii_device_controls, tvb, 0, 0, ENC_NA);
914 }
915
dissect_siii_mdt(tvbuff_t * tvb,packet_info * pinfo,proto_tree * tree)916 static void dissect_siii_mdt(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
917 {
918 proto_tree *subtree;
919 tvbuff_t *tvb_n;
920
921 guint t_phase;
922 guint telno;
923
924 col_set_str(pinfo->cinfo, COL_PROTOCOL, "SIII MDT");
925
926 t_phase = (tvb_get_guint8(tvb, 1)&0x8F); /* read communication phase out of SERCOS III header */
927 telno = (tvb_get_guint8(tvb, 0) & 0xF); /* read number of MDT out of SERCOS III header */
928
929 if (t_phase & 0x80) /* communication phase switching in progress */
930 {
931 col_append_fstr(pinfo->cinfo, COL_INFO, " Phase=CP?s -> CP%u",
932 (t_phase&0x0f));
933 }
934 else /* communication as usual */
935 {
936 col_append_fstr(pinfo->cinfo, COL_INFO, " Phase=CP%u",
937 (t_phase&0x0f));
938 }
939
940 subtree = proto_tree_add_subtree_format(tree, tvb, 0, -1, ett_siii_mdt, NULL, "MDT%u", telno);
941
942 dissect_siii_mst(tvb, pinfo, subtree); /* dissect SERCOS III header */
943
944 switch (t_phase) /* call the MDT dissector depending on the current communication phase */
945 {
946 case COMMUNICATION_PHASE_0: /* CP0 */
947 tvb_n = tvb_new_subset_length(tvb, 6, 40);
948 dissect_siii_mdt_cp0(tvb_n, pinfo, subtree);
949 break;
950
951 case COMMUNICATION_PHASE_1: /* CP1 */
952 case COMMUNICATION_PHASE_2: /* CP2 */
953 tvb_n = tvb_new_subset_length(tvb, 6, 1280);
954 dissect_siii_mdt_cp1_2(tvb_n, pinfo, subtree, telno);
955 break;
956
957 case COMMUNICATION_PHASE_3: /* CP3 */
958 case COMMUNICATION_PHASE_4: /* CP4 */
959 tvb_n = tvb_new_subset_remaining(tvb, 6);
960 dissect_siii_mdt_cp3_4(tvb_n, pinfo, subtree, telno);
961 break;
962
963 default:
964 proto_tree_add_expert(tree, pinfo, &ei_siii_cp_unknown, tvb, 6, -1);
965 }
966 }
967
968
dissect_siii_at_svc(tvbuff_t * tvb,packet_info * pinfo _U_,proto_tree * tree,guint devno _U_)969 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 */
970 {
971 static int * const svch_fields[] = {
972 &hf_siii_at_svch_valid,
973 &hf_siii_at_svch_error,
974 &hf_siii_at_svch_busy,
975 &hf_siii_at_svch_ahs,
976 NULL
977 };
978
979 proto_tree_add_bitmask(tree, tvb, 0, hf_siii_at_svch_stat,
980 ett_siii_at_svcstat, svch_fields, ENC_LITTLE_ENDIAN);
981
982 proto_tree_add_item(tree, hf_siii_at_svch_info, tvb, 2, 4, ENC_NA);
983 }
984
dissect_siii_at_devstat(tvbuff_t * tvb,packet_info * pinfo _U_,proto_tree * tree)985 static void dissect_siii_at_devstat(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree)
986 {
987 static int * const status[] = {
988 &hf_siii_at_dev_status_commwarning,
989 &hf_siii_at_dev_status_change_topology,
990 &hf_siii_at_dev_status_top_status,
991 &hf_siii_at_dev_status_inactive_port_status,
992 &hf_siii_at_dev_status_errorconnection,
993 &hf_siii_at_dev_status_slave_valid,
994 &hf_siii_at_dev_status_proc_command_change,
995 &hf_siii_at_dev_status_parameterization_level_active,
996 NULL
997 };
998
999 proto_tree_add_bitmask(tree, tvb, 0, hf_siii_at_dev_status,
1000 ett_siii_at_devstatus, status, ENC_LITTLE_ENDIAN);
1001 }
1002
dissect_siii_at_hp(tvbuff_t * tvb,packet_info * pinfo _U_,proto_tree * tree)1003 static void dissect_siii_at_hp(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree)
1004 {
1005 proto_tree *subtree;
1006
1007 static int * const status[] = {
1008 &hf_siii_at_hotplug_status_error,
1009 &hf_siii_at_hotplug_status_hp0_finished,
1010 &hf_siii_at_hotplug_status_param,
1011 NULL
1012 };
1013
1014 subtree = proto_tree_add_subtree(tree, tvb, 0, 8, ett_siii_at_hp, NULL, "Hot-Plug");
1015
1016 proto_tree_add_item(subtree, hf_siii_at_hotplug_address, tvb, 0, 2, ENC_LITTLE_ENDIAN);
1017
1018 proto_tree_add_bitmask(subtree, tvb, 2, hf_siii_at_hp_stat, ett_siii_at_hp_stat, status, ENC_LITTLE_ENDIAN);
1019
1020 proto_tree_add_item(subtree, hf_siii_at_hp_info, tvb, 4, 4, ENC_NA);
1021 }
1022
dissect_siii_at_cp0(tvbuff_t * tvb,packet_info * pinfo _U_,proto_tree * tree)1023 static void dissect_siii_at_cp0(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree)
1024 {
1025 guint16 seqcnt; /* sequence counter */
1026 guint16 tfield; /* topology field for sercos addresses */
1027 guint16 i;
1028 proto_tree *subtree, *subtree2;
1029 proto_item* ti;
1030
1031 subtree = proto_tree_add_subtree(tree, tvb, 0, 1024, ett_siii_recognized_devices, NULL, "Recognized Devices");
1032
1033 /* check sequence count field */
1034 seqcnt = tvb_get_letohs(tvb, 0);
1035 proto_tree_add_uint(subtree, hf_siii_at_cp0_num_devices, tvb, 0, 2, (MAX_SERCOS_ADDRESS & seqcnt)-1);
1036
1037 /* check SERCOS address of each topology field */
1038 for (i = 1; i < MAX_SERCOS_DEVICES; ++i)
1039 {
1040 tfield = tvb_get_letohs(tvb, i*2);
1041
1042 if (tfield == 0xFFFF)
1043 {
1044 proto_tree_add_uint_format(subtree, hf_siii_at_cp0_sercos_address, tvb, i*2, 2, 0xFFFF, "Sercos Address %u: No Device", i);
1045 }
1046 else
1047 {
1048 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));
1049 subtree2 = proto_item_add_subtree(ti, ett_siii_at_sercos_address);
1050 proto_tree_add_item(subtree2, hf_siii_at_cp0_support_functions, tvb, i*2, 2, ENC_LITTLE_ENDIAN);
1051 proto_tree_add_item(subtree2, hf_siii_at_cp0_device_address, tvb, i*2, 2, ENC_LITTLE_ENDIAN);
1052 }
1053 }
1054 }
1055
dissect_siii_at_cp1_2(tvbuff_t * tvb,packet_info * pinfo,proto_tree * tree,guint telno)1056 static void dissect_siii_at_cp1_2(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, guint telno)
1057 {
1058 guint devstart = telno * SERCOS_SLAVE_GROUP_SIZE; /* AT0: slaves 0-127; AT1: slaves 128-255; ... */
1059 tvbuff_t *tvb_n;
1060
1061 guint idx;
1062
1063 proto_tree *subtree;
1064 proto_tree *subtree_svc;
1065 proto_tree *subtree_devstat;
1066
1067 subtree_svc = proto_tree_add_subtree(tree, tvb, 0, SERCOS_SLAVE_GROUP_SIZE * 6, ett_siii_at_svc, NULL, "Service Channel");
1068
1069 subtree_devstat = proto_tree_add_subtree(tree, tvb, SERCOS_SLAVE_GROUP_SIZE * 6, 512, ett_siii_at_devstats, NULL, "Device Status");
1070
1071 for (idx = 0; idx < SERCOS_SLAVE_GROUP_SIZE; ++idx) /* each AT of CP1/2 has data of 128 different slaves */
1072 {
1073 tvb_n = tvb_new_subset_length(tvb, 6 * idx, 6); /* subset for service channel data */
1074
1075 subtree = proto_tree_add_subtree_format(subtree_svc, tvb_n, 0, 6, ett_siii_at_svc_channel, NULL, "Device %u", idx + devstart);
1076 dissect_siii_at_svc(tvb_n, pinfo, subtree, idx + devstart);
1077
1078 tvb_n = tvb_new_subset_length(tvb, SERCOS_SLAVE_GROUP_SIZE * 6 + 4 * idx, 2); /* subset for device status information */
1079
1080 subtree = proto_tree_add_subtree_format(subtree_devstat, tvb_n, 0, 2, ett_siii_at_dev_status, NULL, "Device %u", idx + devstart);
1081 dissect_siii_at_devstat(tvb_n, pinfo, subtree);
1082 }
1083 }
1084
dissect_siii_at_cp3_4(tvbuff_t * tvb,packet_info * pinfo,proto_tree * tree,guint telno)1085 static void dissect_siii_at_cp3_4(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, guint telno)
1086 {
1087 if (0 == telno) /* dissect hotplug field in AT0 only */
1088 dissect_siii_at_hp(tvb, pinfo, tree);
1089
1090 /* offsets of service channel, device status and connections are unknown
1091 * this data could be extracted from svc communication during CP2
1092 */
1093 proto_tree_add_item(tree, hf_siii_service_channels, tvb, 0, 0, ENC_NA);
1094 proto_tree_add_item(tree, hf_siii_device_status, tvb, 0, 0, ENC_NA);
1095 }
1096
1097
dissect_siii_at(tvbuff_t * tvb,packet_info * pinfo,proto_tree * tree)1098 static void dissect_siii_at(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
1099 {
1100 proto_tree *subtree;
1101 tvbuff_t *tvb_n;
1102
1103 guint8 phase;
1104 guint telno;
1105
1106 phase = (tvb_get_guint8(tvb, 1)&0x8F); /* read communication phase out of SERCOS III header*/
1107 telno = (tvb_get_guint8(tvb, 0) & 0xF); /* read number of AT out of SERCOS III header */
1108
1109 col_set_str(pinfo->cinfo, COL_PROTOCOL, "SIII AT");
1110
1111 if (phase & 0x80) /* communication phase switching in progress */
1112 {
1113 col_append_fstr(pinfo->cinfo, COL_INFO, " Phase=CP?s -> CP%u",
1114 (phase&0x0f));
1115 }
1116 else /* communication as usual */
1117 {
1118 col_append_fstr(pinfo->cinfo, COL_INFO, " Phase=CP%u",
1119 (phase&0x0f));
1120 }
1121
1122 subtree = proto_tree_add_subtree_format(tree, tvb, 0, -1, ett_siii_at, NULL, "AT%u", telno);
1123
1124 dissect_siii_mst(tvb, pinfo, subtree); /* dissect SERCOS III header */
1125
1126 switch (phase) /* call the AT dissector depending on the current communication phase */
1127 {
1128 case COMMUNICATION_PHASE_0: /* CP0 */
1129 tvb_n = tvb_new_subset_length(tvb, 6, 1024);
1130 dissect_siii_at_cp0(tvb_n, pinfo, subtree);
1131 break;
1132
1133 case COMMUNICATION_PHASE_1: /* CP1 */
1134 case COMMUNICATION_PHASE_2: /* CP2 */
1135 tvb_n = tvb_new_subset_length(tvb, 6, 1280);
1136 dissect_siii_at_cp1_2(tvb_n, pinfo, subtree, telno);
1137 break;
1138
1139 case COMMUNICATION_PHASE_3: /* CP3 */
1140 case COMMUNICATION_PHASE_4: /* CP4 */
1141 tvb_n = tvb_new_subset_remaining(tvb, 6);
1142 dissect_siii_at_cp3_4(tvb_n, pinfo, subtree, telno);
1143 break;
1144
1145 default:
1146 proto_tree_add_expert(tree, pinfo, &ei_siii_cp_unknown, tvb, 6, -1);
1147 break;
1148 }
1149 }
1150
1151 /* Main dissector entry */
1152 static int
dissect_siii(tvbuff_t * tvb,packet_info * pinfo,proto_tree * tree,void * data _U_)1153 dissect_siii(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
1154 {
1155 proto_item *ti;
1156 proto_tree *siii_tree;
1157 guint type;
1158 const char *tel_ch = "?";
1159 const char *tel_type = "?";
1160 guint tel_no = 0;
1161 heur_dtbl_entry_t *hdtbl_entry;
1162
1163 /* setup columns */
1164 col_set_str(pinfo->cinfo, COL_PROTOCOL, "SERCOS III V1.1");
1165 col_clear(pinfo->cinfo, COL_INFO);
1166
1167 /*
1168 * In case the packet is a protocol encoded in the basic SercosIII transport stream,
1169 * give that protocol a chance to make a heuristic dissection, before we continue
1170 * to dissect it as a normal SercosIII packet.
1171 */
1172 if (dissector_try_heuristic(heur_subdissector_list, tvb, pinfo, tree, &hdtbl_entry, NULL))
1173 return tvb_captured_length(tvb);
1174
1175 /* check what we got on our hand */
1176 type = tvb_get_guint8(tvb, 0);
1177 if (type & 0x80) /* primary or secondary channel */
1178 tel_ch = "S";
1179 else
1180 tel_ch = "P";
1181
1182 if (type & 0x40) /* master data telegram (mdt) or slave telegram (at) */
1183 tel_type = "AT ";
1184 else
1185 tel_type = "MDT";
1186
1187 tel_no = type &0xF; /* even though it's reserved (the V1.1 spec states that it is reserved for additional MDT/AT) */
1188
1189 col_append_fstr(pinfo->cinfo, COL_INFO, "%s%u Channel=%s", tel_type, tel_no, tel_ch);
1190
1191 ti = proto_tree_add_item(tree, proto_siii, tvb, 0, -1, ENC_NA);
1192
1193 siii_tree = proto_item_add_subtree(ti, ett_siii);
1194
1195 /* enter the specific dissector for AT or MDT */
1196 if (type & 0x40)
1197 dissect_siii_at(tvb, pinfo, siii_tree);
1198 else
1199 dissect_siii_mdt(tvb, pinfo, siii_tree);
1200
1201 return tvb_captured_length(tvb);
1202 }
1203
1204 static void
sercosiii_idn_code_format(gchar * result,guint32 svc_info)1205 sercosiii_idn_code_format( gchar *result, guint32 svc_info )
1206 {
1207 g_snprintf( result, ITEM_LABEL_LENGTH, "%c-%u-%04d.%d.%d",
1208 ((0xFFFF & svc_info)>>15)?'P':'S', /* private or sercos IDN */
1209 (svc_info>>12)&7, /* parameter record */
1210 (svc_info&4095), /* IDN */
1211 (svc_info>>24) & 0xFF, /* structure index */
1212 (svc_info>>16) & 0xFF); /* structure element */
1213 }
1214
1215 void
proto_register_sercosiii(void)1216 proto_register_sercosiii(void)
1217 {
1218 static hf_register_info hf[] = {
1219
1220 { &hf_siii_mdt_version,
1221 { "Communication Version", "siii.mdt.version",
1222 FT_UINT32, BASE_HEX, NULL, 0,
1223 NULL, HFILL }
1224 },
1225 { &hf_siii_mdt_version_num_mdt_at_cp1_2,
1226 { "Number of MDTs and ATS in CP1 and CP2", "siii.mdt.version.num_mdt_at_cp1_2",
1227 FT_UINT32, BASE_HEX, VALS(siii_mdt_version_num_mdtat_cp1_2_text), 0x30000,
1228 NULL, HFILL }
1229 },
1230 { &hf_siii_mdt_version_transmission_of_communication_parameters_mdt0_cp0,
1231 { "Transmission of Communication parameters", "siii.mdt.version.mdt0_cp0_transm_comm_parameter",
1232 FT_BOOLEAN, 32, TFS(&tfs_yes_no), 0x100000,
1233 NULL, HFILL }
1234 },
1235 { &hf_siii_mdt_version_fast_cp_switch,
1236 { "Fast CP switch", "siii.mdt.version.mdt0_cp0_fast_cp_switch",
1237 FT_BOOLEAN, 32, TFS(&siii_mdt_version_fast_cp_switch_text), 0x200000,
1238 NULL, HFILL }
1239 },
1240
1241 { &hf_siii_mdt_version_switch_off_sercos_telegrams,
1242 { "Switch off Sercos III telegrams", "siii.mdt.version.mdt0_cp0_switch_off_sercos_telegram",
1243 FT_BOOLEAN, 32, TFS(&siii_switch_off_sercos_telegram_text), 0x400000,
1244 NULL, HFILL }
1245 },
1246 { &hf_siii_mdt_version_initprocvers,
1247 { "Initialization Procedure Version Number", "siii.mdt.version.initprocvers",
1248 FT_BOOLEAN, 32, TFS(&siii_mdt_version_initprocvers_text), 0xFF00,
1249 NULL, HFILL }
1250 },
1251
1252 { &hf_siii_mdt_dev_control_top_control,
1253 { "Topology Control", "siii.mdt.devcontrol.topcontrol",
1254 FT_UINT16, BASE_DEC, VALS(siii_mdt_devcontrol_topcontrol_text), 3<<(12),
1255 NULL, HFILL }
1256 },
1257 { &hf_siii_at_dev_control_ident,
1258 { "Identification", "siii.mdt.devcontrol.identrequest",
1259 FT_UINT16, BASE_DEC, NULL, 0x8000,
1260 NULL, HFILL }
1261 },
1262 { &hf_siii_mdt_dev_control_change_topology,
1263 { "Changing Topology", "siii.mdt.devcontrol.topologychange",
1264 FT_UINT16, BASE_DEC, NULL, 1<<14,
1265 NULL, HFILL }
1266 },
1267 { &hf_siii_mdt_dev_control,
1268 { "Word", "siii.mdt.devcontrol",
1269 FT_UINT16, BASE_DEC, NULL, 0,
1270 NULL, HFILL }
1271 },
1272
1273 { &hf_siii_at_dev_status,
1274 { "Word", "siii.at.devstatus",
1275 FT_UINT16, BASE_HEX, NULL, 0,
1276 NULL, HFILL }
1277 },
1278
1279 { &hf_siii_at_dev_status_commwarning,
1280 { "Communication Warning", "siii.at.devstatus.commwarning",
1281 FT_UINT16, BASE_DEC, NULL, 1<<15,
1282 NULL, HFILL }
1283 },
1284
1285 { &hf_siii_at_cp0_support_functions,
1286 { "Support of requested functions", "siii.at.supfunctions",
1287 FT_BOOLEAN, 16, TFS(&siii_at_cp0_support_functions_text), 1<<15,
1288 NULL, HFILL }
1289 },
1290
1291 { &hf_siii_at_cp0_device_address,
1292 { "Sercos Address", "siii.at.sercosaddress",
1293 FT_UINT16, BASE_DEC, NULL, MAX_SERCOS_ADDRESS,
1294 NULL, HFILL }
1295 },
1296
1297 { &hf_siii_at_dev_status_change_topology,
1298 { "Topology Change", "siii.at.devstatus.topologychanged",
1299 FT_UINT16, BASE_DEC, NULL, 1<<14,
1300 NULL, HFILL }
1301 },
1302 { &hf_siii_at_dev_status_top_status,
1303 { "Topology Status", "siii.at.devstatus.topstatus",
1304 FT_UINT16, BASE_DEC, VALS(siii_at_devstatus_topstatus_text), 0x3<<(12),
1305 NULL, HFILL }
1306 },
1307 { &hf_siii_at_dev_status_inactive_port_status,
1308 { "Port 1 Status", "siii.at.devstatus.inactportstatus",
1309 FT_UINT16, BASE_DEC, VALS(siii_at_devstatus_inactiveportstatus_text), 0x3<<(10),
1310 NULL, HFILL }
1311 },
1312 { &hf_siii_at_dev_status_errorconnection,
1313 { "Topology Status", "siii.at.devstatus.errorconnection",
1314 FT_UINT16, BASE_DEC, VALS(siii_at_devstatus_errorconnection_text), 1<<9,
1315 NULL, HFILL }
1316 },
1317 { &hf_siii_at_dev_status_slave_valid,
1318 { "Slave data valid", "siii.at.devstatus.slavevalid",
1319 FT_UINT16, BASE_DEC, NULL, 1<<8,
1320 NULL, HFILL }
1321 },
1322 { &hf_siii_at_dev_status_proc_command_change,
1323 { "Procedure Command Change", "siii.at.devstatus.proccmdchange",
1324 FT_UINT16, BASE_DEC, VALS(siii_at_dev_status_proc_command_change_text), 1<<5,
1325 NULL, HFILL }
1326 },
1327 { &hf_siii_at_dev_status_parameterization_level_active,
1328 { "Parameterization level active", "siii.at.devstatus.paralevelactive",
1329 FT_UINT16, BASE_DEC, NULL, 1<<4,
1330 NULL, HFILL }
1331 },
1332
1333 { &hf_siii_mdt_svch_ctrl,
1334 {"SvcCtrl", "siii.mdt.svch.ctrl",
1335 FT_UINT16, BASE_HEX, NULL, 0,
1336 NULL, HFILL }
1337 },
1338 { &hf_siii_at_svch_stat,
1339 {"SvcStat", "siii.mdt.svch.stat",
1340 FT_UINT16, BASE_HEX, NULL, 0,
1341 NULL, HFILL }
1342 },
1343 { &hf_siii_mdt_svch_info,
1344 {"Svc Info", "siii.mdt.svch.info",
1345 FT_BYTES, BASE_NONE, NULL, 0,
1346 NULL, HFILL }
1347 },
1348 { &hf_siii_at_svch_info,
1349 {"Svc Info", "siii.at.svch.info",
1350 FT_BYTES, BASE_NONE, NULL, 0,
1351 NULL, HFILL }
1352 },
1353 { &hf_siii_mdt_svch_idn,
1354 {"IDN", "siii.mdt.svch.idn",
1355 FT_UINT32, BASE_HEX | BASE_EXT_STRING, &siii_mdt_idn_text_ext, 0,
1356 NULL, HFILL }
1357 },
1358 { &hf_siii_mdt_svch_dbe,
1359 { "Data block element", "siii.mdt.svch.dbe",
1360 FT_UINT16, BASE_DEC, VALS(siii_mdt_svch_dbe_text), 0x38,
1361 NULL, HFILL }
1362 },
1363 { &hf_siii_mdt_svch_eot,
1364 {"End of element transmission", "siii.mdt.svch.eot",
1365 FT_BOOLEAN, 16, TFS(&siii_mdt_svch_eot_text), 0x04,
1366 NULL, HFILL }
1367 },
1368 { &hf_siii_mdt_svch_rw,
1369 {"Read/Write", "siii.mdt.svch.rw",
1370 FT_BOOLEAN, 16, TFS(&siii_mdt_svch_rw_text), 0x02,
1371 NULL, HFILL }
1372 },
1373 { &hf_siii_mdt_svch_mhs,
1374 {"Master Handshake", "siii.mdt.svch.mhs",
1375 FT_UINT16, BASE_DEC, NULL, 0x01,
1376 NULL, HFILL }
1377 },
1378 { &hf_siii_at_svch_valid,
1379 { "SVC process", "siii.mdt.svch.proc",
1380 FT_BOOLEAN, 16, TFS(&tfs_valid_not_valid), 0x08,
1381 NULL, HFILL }
1382 },
1383 { &hf_siii_at_svch_error,
1384 {"SVC Error", "siii.mdt.svch.error",
1385 FT_BOOLEAN, 16, TFS(&siii_at_svch_error_text), 0x04,
1386 NULL, HFILL }
1387 },
1388 { &hf_siii_at_svch_busy,
1389 {"Busy", "siii.mdt.svch.busy",
1390 FT_BOOLEAN, 16, TFS(&siii_at_svch_busy_text), 0x02,
1391 NULL, HFILL }
1392 },
1393 { &hf_siii_at_svch_ahs,
1394 {"Handshake", "siii.at.svch.ahs",
1395 FT_UINT16, BASE_DEC, NULL, 0x01,
1396 NULL, HFILL }
1397 },
1398 #if 0
1399 { &hf_siii_svch_data_telofs_telno,
1400 {"Telegram Number", "siii.mdt.svch.data.telassign.telno",
1401 FT_UINT16, BASE_DEC, NULL, 0xF000,
1402 NULL, HFILL }
1403 },
1404 #endif
1405 #if 0
1406 { &hf_siii_svch_data_telofs_mdt_at,
1407 {"Telegram Type", "siii.mdt.svch.data.telassign.mdt_at",
1408 FT_UINT16, BASE_DEC, VALS(siii_svch_data_mdt_at_text), 0x0800,
1409 NULL, HFILL }
1410 },
1411 #endif
1412 #if 0
1413 { &hf_siii_svch_data_telofs_offset,
1414 {"Telegram Offset", "siii.mdt.svch.data.telassign.offset",
1415 FT_UINT16, BASE_DEC, NULL, 0x07FF,
1416 NULL, HFILL }
1417 },
1418 #endif
1419 #if 0
1420 { &hf_siii_svch_data_proccmd_proccmdexec,
1421 {"Procedure Command Execution", "siii.mdt.svch.data.proccmd.interrupt",
1422 FT_UINT16, BASE_DEC, VALS(siii_svch_data_proccmd_proccmdexec_text), 0x0002,
1423 NULL, HFILL }
1424 },
1425 #endif
1426 #if 0
1427 { &hf_siii_svch_data_proccmd_proccmd,
1428 {"Procedure Command", "siii.mdt.svch.data.proccmd.set",
1429 FT_UINT16, BASE_DEC, VALS(siii_svch_data_proccmd_proccmd_text), 0x0001,
1430 NULL, HFILL }
1431 },
1432 #endif
1433 { &hf_siii_mst_channel,
1434 { "Channel", "siii.channel",
1435 FT_UINT8, BASE_DEC, VALS(siii_mst_channel_text), 0x80,
1436 NULL, HFILL }
1437 },
1438 { &hf_siii_mst_type,
1439 { "Telegram Type" , "siii.type",
1440 FT_UINT8, BASE_DEC, VALS(siii_mst_type_text), 0x40,
1441 NULL, HFILL }
1442 },
1443 { &hf_siii_mst_cyclecntvalid,
1444 { "Cycle Count Valid", "siii.cyclecntvalid",
1445 FT_BOOLEAN, 8, TFS(&tfs_valid_invalid), 0x20,
1446 NULL, HFILL }
1447 },
1448 { &hf_siii_mst_telno,
1449 { "Telegram Number", "siii.telno",
1450 FT_UINT8, BASE_DEC, NULL, 0x0F,
1451 NULL, HFILL }
1452 },
1453 { &hf_siii_mst_phase,
1454 { "Phase", "siii.mst.phase",
1455 FT_UINT8, BASE_HEX, VALS(siii_mst_phase_text), 0x8F, /* CHANGED: SB: new value is 0x8F for masking out phase */
1456 NULL, HFILL }
1457 },
1458 { &hf_siii_mst_cyclecnt,
1459 { "Cycle Cnt", "siii.mst.cyclecnt",
1460 FT_UINT8, BASE_DEC, NULL, 0x70, /* CHANGED: SB: new value is 0x70 for masking out cycle cnt */
1461 NULL, HFILL }
1462 },
1463 { &hf_siii_mst_crc32,
1464 { "CRC32", "siii.mst.crc32",
1465 FT_UINT32, BASE_HEX, NULL, 0,
1466 NULL, HFILL }
1467 },
1468
1469 { &hf_siii_mdt_hotplug_address,
1470 {"Sercos address", "siii.mdt.hp.sercosaddress",
1471 FT_UINT16, BASE_HEX, NULL, 0,
1472 NULL, HFILL }
1473 },
1474 { &hf_siii_mdt_hp_ctrl,
1475 {"HP control", "siii.mdt.hp.ctrl",
1476 FT_UINT16, BASE_HEX, NULL, 0,
1477 NULL, HFILL }
1478 },
1479 { &hf_siii_mdt_hp_info,
1480 {"HP info", "siii.mdt.hp.info",
1481 FT_BYTES, BASE_NONE, NULL, 0,
1482 NULL, HFILL }
1483 },
1484 { &hf_siii_at_hotplug_address,
1485 {"Sercos address", "siii.at.hp.sercosaddress",
1486 FT_UINT16, BASE_HEX, NULL, 0,
1487 NULL, HFILL }
1488 },
1489 { &hf_siii_at_hp_stat,
1490 {"HP status", "siii.mdt.hp.stat",
1491 FT_UINT16, BASE_HEX, NULL, 0,
1492 NULL, HFILL }
1493 },
1494 { &hf_siii_at_hp_info,
1495 {"HP info", "siii.at.hp.info",
1496 FT_BYTES, BASE_NONE, NULL, 0,
1497 NULL, HFILL }
1498 },
1499 { &hf_siii_mdt_hotplug_control_param,
1500 {"Parameter", "siii.mdt.hp.parameter",
1501 FT_UINT16, BASE_DEC | BASE_EXT_STRING, &siii_mdt_hotplug_control_functioncode_text_ext, 0xFF,
1502 NULL, HFILL }
1503 },
1504 { &hf_siii_mdt_hotplug_control_svc_switch,
1505 {"Switch to SVC", "siii.mdt.hp.switch",
1506 FT_UINT16, BASE_DEC, VALS(siii_mdt_hotplug_control_svc_switch_text), 0x100,
1507 NULL, HFILL }
1508 },
1509
1510 { &hf_siii_at_hotplug_status_param,
1511 {"Parameter Received", "siii.at.hp.parameter",
1512 FT_UINT16, BASE_DEC, VALS(siii_mdt_hotplug_status_ackcode_text), 0xFF,
1513 NULL, HFILL }
1514 },
1515 { &hf_siii_at_hotplug_status_hp0_finished,
1516 {"HP/SVC", "siii.at.hp.hp0_finished",
1517 FT_UINT16, BASE_DEC, NULL, 0x100,
1518 NULL, HFILL }
1519 },
1520 { &hf_siii_at_hotplug_status_error,
1521 {"Error", "siii.at.hp.error",
1522 FT_UINT16, BASE_DEC, VALS(siii_at_hotplug_status_error_text), 0x200,
1523 NULL, HFILL }
1524 },
1525 { &hf_siii_service_channels,
1526 {"Service Channels", "siii.service_channels",
1527 FT_NONE, BASE_NONE, NULL, 0x0,
1528 NULL, HFILL }
1529 },
1530 { &hf_siii_device_controls,
1531 {"Device Controls", "siii.device_controls",
1532 FT_NONE, BASE_NONE, NULL, 0x0,
1533 NULL, HFILL }
1534 },
1535 { &hf_siii_device_status,
1536 {"Device Status", "siii.device_status",
1537 FT_NONE, BASE_NONE, NULL, 0x0,
1538 NULL, HFILL }
1539 },
1540 { &hf_siii_idn_code,
1541 {"IDN code", "siii.idn_code",
1542 FT_UINT32, BASE_CUSTOM, CF_FUNC(sercosiii_idn_code_format), 0x0,
1543 NULL, HFILL }
1544 },
1545 { &hf_siii_at_cp0_num_devices,
1546 {"Number of Devices", "siii.at.cp0.num_devices",
1547 FT_UINT16, BASE_DEC, NULL, 0x0,
1548 NULL, HFILL }
1549 },
1550 { &hf_siii_at_cp0_sercos_address,
1551 {"Sercos Address", "siii.at.cp0.sercos_address",
1552 FT_UINT16, BASE_DEC, NULL, 0x0,
1553 NULL, HFILL }
1554 },
1555 };
1556
1557 /* Setup protocol subtree array */
1558 static gint *ett[] = {
1559 &ett_siii,
1560 &ett_siii_header,
1561
1562 &ett_siii_mdt,
1563 &ett_siii_mdt_version,
1564 &ett_siii_mdt_svc,
1565 &ett_siii_mdt_devctrls,
1566 &ett_siii_mdt_svc_channel,
1567 &ett_siii_mdt_dev_control,
1568
1569 &ett_siii_at,
1570 &ett_siii_at_svc,
1571 &ett_siii_at_sercos_address,
1572 &ett_siii_at_devstats,
1573 &ett_siii_at_svc_channel,
1574 &ett_siii_at_dev_status,
1575
1576 &ett_siii_mdt_devctrl,
1577 &ett_siii_at_devstatus,
1578 &ett_siii_at_sercosaddress,
1579
1580 &ett_siii_mdt_svcctrl,
1581 &ett_siii_mdt_svcinfo,
1582 &ett_siii_at_svcstat,
1583 &ett_siii_at_svcinfo,
1584 &ett_siii_mdt_svch_data_error_info,
1585 &ett_siii_mdt_svch_data,
1586
1587 &ett_siii_mst,
1588 &ett_siii_mst_teltype,
1589 &ett_siii_mst_phase,
1590
1591 &ett_siii_mdt_hp,
1592 &ett_siii_at_hp,
1593 &ett_siii_mdt_hp_ctrl,
1594 &ett_siii_mdt_hp_info,
1595 &ett_siii_at_hp_stat,
1596 &ett_siii_at_hp_info,
1597 &ett_siii_recognized_devices
1598 };
1599
1600 static ei_register_info ei[] = {
1601 { &ei_siii_cp_unknown, { "siii.cp_unknown", PI_PROTOCOL, PI_WARN, "CP is unknown", EXPFILL }},
1602 };
1603
1604 expert_module_t* expert_siii;
1605
1606 /* Register the protocol name and description */
1607 proto_siii = proto_register_protocol("SERCOS III V1.1",
1608 "SERCOS III V1.1", "siii");
1609
1610 register_dissector("sercosiii", dissect_siii, proto_siii);
1611
1612 /* subdissector code */
1613 heur_subdissector_list = register_heur_dissector_list("sercosiii", proto_siii);
1614
1615 /* Required function calls to register the header fields and subtrees used */
1616 proto_register_field_array(proto_siii, hf, array_length(hf));
1617 proto_register_subtree_array(ett, array_length(ett));
1618 expert_siii = expert_register_protocol(proto_siii);
1619 expert_register_field_array(expert_siii, ei, array_length(ei));
1620 }
1621
1622 void
proto_reg_handoff_sercosiii(void)1623 proto_reg_handoff_sercosiii(void)
1624 {
1625 dissector_handle_t siii_handle;
1626
1627 siii_handle = create_dissector_handle(dissect_siii, proto_siii);
1628 dissector_add_uint("ethertype", ETHERTYPE_SERCOS, siii_handle);
1629 }
1630
1631 /*
1632 * Editor modelines
1633 *
1634 * Local Variables:
1635 * c-basic-offset: 2
1636 * tab-width: 8
1637 * indent-tabs-mode: nil
1638 * End:
1639 *
1640 * ex: set shiftwidth=2 tabstop=8 expandtab:
1641 * :indentSize=2:tabSize=8:noTabs=true:
1642 */
1643