/
fmu1_model_interface.c
901 lines (802 loc) · 32.1 KB
/
fmu1_model_interface.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
/*
* This file is part of OpenModelica.
*
* Copyright (c) 1998-CurrentYear, Open Source Modelica Consortium (OSMC),
* c/o Linköpings universitet, Department of Computer and Information Science,
* SE-58183 Linköping, Sweden.
*
* All rights reserved.
*
* THIS PROGRAM IS PROVIDED UNDER THE TERMS OF GPL VERSION 3 LICENSE OR
* THIS OSMC PUBLIC LICENSE (OSMC-PL) VERSION 1.2.
* ANY USE, REPRODUCTION OR DISTRIBUTION OF THIS PROGRAM CONSTITUTES RECIPIENT'S ACCEPTANCE
* OF THE OSMC PUBLIC LICENSE OR THE GPL VERSION 3, ACCORDING TO RECIPIENTS CHOICE.
*
* The OpenModelica software and the Open Source Modelica
* Consortium (OSMC) Public License (OSMC-PL) are obtained
* from OSMC, either from the above address,
* from the URLs: http://www.ida.liu.se/projects/OpenModelica or
* http://www.openmodelica.org, and in the OpenModelica distribution.
* GNU version 3 is obtained from: http://www.gnu.org/copyleft/gpl.html.
*
* This program is distributed WITHOUT ANY WARRANTY; without
* even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE, EXCEPT AS EXPRESSLY SET FORTH
* IN THE BY RECIPIENT SELECTED SUBSIDIARY LICENSE CONDITIONS OF OSMC-PL.
*
* See the full OSMC Public License conditions for more details.
*
*/
#include "simulation_data.h"
#include "simulation/solver/stateset.h"
#include "simulation/solver/model_help.h"
#include "simulation/solver/nonlinearSystem.h"
#include "simulation/solver/linearSystem.h"
#include "simulation/solver/mixedSystem.h"
#include "simulation/solver/delay.h"
#include "simulation/simulation_info_xml.h"
#include "simulation/simulation_input_xml.h"
/*
pthread_key_t fmu1_thread_data_key;
*/
// array of value references of states
#if NUMBER_OF_STATES>0
fmiValueReference vrStates[NUMBER_OF_STATES] = STATES;
fmiValueReference vrStatesDerivatives[NUMBER_OF_STATES] = STATESDERIVATIVES;
#endif
static fmiBoolean invalidNumber(ModelInstance* comp, const char* f, const char* arg, int n, int nExpected)
{
if (n != nExpected)
{
comp->state = modelError;
comp->functions.logger(comp, comp->instanceName, fmiError, "error",
"%s: Invalid argument %s = %d. Expected %d.", f, arg, n, nExpected);
return fmiTrue;
}
return fmiFalse;
}
static fmiBoolean invalidState(ModelInstance* comp, const char* f, int statesExpected)
{
if (!comp)
return fmiTrue;
if (!(comp->state & statesExpected))
{
comp->state = modelError;
comp->functions.logger(comp, comp->instanceName, fmiError, "error",
"%s: Illegal call sequence. Expected State: %d.", f, statesExpected);
return fmiTrue;
}
return fmiFalse;
}
static fmiBoolean nullPointer(ModelInstance* comp, const char* f, const char* arg, const void* p)
{
if (!p)
{
comp->state = modelError;
comp->functions.logger(comp, comp->instanceName, fmiError, "error",
"%s: Invalid argument %s = NULL.", f, arg);
return fmiTrue;
}
return fmiFalse;
}
static fmiBoolean vrOutOfRange(ModelInstance* comp, const char* f, fmiValueReference vr, unsigned int end)
{
if (vr >= end)
{
comp->functions.logger(comp, comp->instanceName, fmiError, "error",
"%s: Illegal value reference %u.", f, vr);
comp->state = modelError;
return fmiTrue;
}
return fmiFalse;
}
// ---------------------------------------------------------------------------
// FMI functions: class methods not depending of a specific model instance
// ---------------------------------------------------------------------------
const char* fmiGetModelTypesPlatform()
{
return fmiModelTypesPlatform;
}
const char* fmiGetVersion()
{
return fmiVersion;
}
fmiComponent fmiInstantiateModel(fmiString instanceName, fmiString GUID, fmiCallbackFunctions functions, fmiBoolean loggingOn)
{
ModelInstance* comp;
if (!functions.logger)
return NULL;
if (!functions.allocateMemory || !functions.freeMemory){
functions.logger(NULL, instanceName, fmiError, "error",
"fmiInstantiateModel: Missing callback function.");
return NULL;
}
if (!instanceName || strlen(instanceName)==0) {
functions.logger(NULL, instanceName, fmiWarning, "Warning",
"fmiInstantiateModel: Missing instance name.");
}
if (strcmp(GUID, MODEL_GUID) != 0) {
functions.logger(NULL, instanceName, fmiError, "error",
"fmiInstantiateModel: Wrong GUID %s. Expected %s.", GUID, MODEL_GUID);
return NULL;
}
comp = (ModelInstance *)functions.allocateMemory(1, sizeof(ModelInstance));
if (comp) {
comp->instanceName = functions.allocateMemory(1 + strlen(instanceName), sizeof(char));
comp->GUID = functions.allocateMemory(1 + strlen(GUID), sizeof(char));
/* Cannot use functions.allocateMemory since the pointer might not be stored on the stack of the parent */
DATA* fmudata = (DATA *)GC_malloc_uncollectable(sizeof(DATA));
threadData_t *threadData = (threadData_t *)functions.allocateMemory(1, sizeof(threadData_t));
memset(threadData, 0, sizeof(threadData_t));
/*
pthread_key_create(&fmu1_thread_data_key,NULL);
pthread_setspecific(fmu1_thread_data_key, threadData);
*/
fmudata->threadData = threadData;
comp->fmuData = fmudata;
if (!comp->fmuData) {
functions.logger(NULL, instanceName, fmiError, "error",
"fmiInstantiateModel: Error: Could not initialize the global data structure file.");
return NULL;
}
}
if (!comp || !comp->instanceName || !comp->GUID) {
functions.logger(NULL, instanceName, fmiError, "error", "fmiInstantiateModel: Out of memory.");
return NULL;
}
if (comp->loggingOn) comp->functions.logger(NULL, instanceName, fmiOK, "log",
"fmiInstantiateModel: GUID=%s", GUID);
/* intialize modelData */
fmu1_model_interface_setupDataStruc(comp->fmuData);
initializeDataStruc(comp->fmuData);
/* setup model data with default start data */
setDefaultStartValues(comp);
setAllVarsToStart(comp->fmuData);
setAllParamsToStart(comp->fmuData);
read_input_xml(&(comp->fmuData->modelData), &(comp->fmuData->simulationInfo));
modelInfoInit(&(comp->fmuData->modelData.modelDataXml));
strcpy(comp->instanceName, instanceName);
strcpy(comp->GUID, GUID);
comp->functions = functions;
comp->loggingOn = loggingOn;
comp->state = modelInstantiated;
return comp;
}
fmiStatus fmiSetDebugLogging(fmiComponent c, fmiBoolean loggingOn)
{
ModelInstance* comp = (ModelInstance *)c;
if (invalidState(comp, "fmiSetDebugLogging", not_modelError))
return fmiError;
comp->loggingOn = loggingOn;
if (comp->loggingOn) comp->functions.logger(c, comp->instanceName, fmiOK, "log",
"fmiSetDebugLogging: loggingOn=%d", loggingOn);
return fmiOK;
}
void fmiFreeModelInstance(fmiComponent c)
{
ModelInstance* comp = (ModelInstance *)c;
if (!comp) return;
if (comp->loggingOn) comp->functions.logger(c, comp->instanceName, fmiOK, "log",
"fmiFreeModelInstance");
/* free instanceName & GUID */
if (comp->instanceName) comp->functions.freeMemory(comp->instanceName);
if (comp->GUID) comp->functions.freeMemory(comp->GUID);
/* free comp */
comp->functions.freeMemory(comp);
}
// ---------------------------------------------------------------------------
// FMI functions: set variable values in the FMU
// ---------------------------------------------------------------------------
fmiStatus fmiSetReal(fmiComponent c, const fmiValueReference vr[], size_t nvr, const fmiReal value[])
{
unsigned int i=0;
ModelInstance* comp = (ModelInstance *)c;
if (invalidState(comp, "fmiSetReal", modelInstantiated|modelInitialized))
return fmiError;
if (nvr>0 && nullPointer(comp, "fmiSetReal", "vr[]", vr))
return fmiError;
if (nvr>0 && nullPointer(comp, "fmiSetReal", "value[]", value))
return fmiError;
if (comp->loggingOn) comp->functions.logger(c, comp->instanceName, fmiOK, "log",
"fmiSetReal: nvr = %d", nvr);
// no check wether setting the value is allowed in the current state
for (i=0; i<nvr; i++) {
if (vrOutOfRange(comp, "fmiSetReal", vr[i], NUMBER_OF_REALS+NUMBER_OF_STATES))
return fmiError;
if (comp->loggingOn) comp->functions.logger(c, comp->instanceName, fmiOK, "log",
"fmiSetReal: #r%d# = %.16g", vr[i], value[i]);
if (setReal(comp, vr[i],value[i]) != fmiOK) // to be implemented by the includer of this file
return fmiError;
}
return fmiOK;
}
fmiStatus fmiSetInteger(fmiComponent c, const fmiValueReference vr[], size_t nvr, const fmiInteger value[])
{
unsigned int i=0;
ModelInstance* comp = (ModelInstance *)c;
if (invalidState(comp, "fmiSetInteger", modelInstantiated|modelInitialized))
return fmiError;
if (nvr>0 && nullPointer(comp, "fmiSetInteger", "vr[]", vr))
return fmiError;
if (nvr>0 && nullPointer(comp, "fmiSetInteger", "value[]", value))
return fmiError;
if (comp->loggingOn)
comp->functions.logger(c, comp->instanceName, fmiOK, "log", "fmiSetInteger: nvr = %d", nvr);
for (i=0; i<nvr; i++) {
if (vrOutOfRange(comp, "fmiSetInteger", vr[i], NUMBER_OF_INTEGERS))
return fmiError;
if (comp->loggingOn) comp->functions.logger(c, comp->instanceName, fmiOK, "log",
"fmiSetInteger: #i%d# = %d", vr[i], value[i]);
if (setInteger(comp, vr[i],value[i]) != fmiOK) // to be implemented by the includer of this file
return fmiError;
}
return fmiOK;
}
fmiStatus fmiSetBoolean(fmiComponent c, const fmiValueReference vr[], size_t nvr, const fmiBoolean value[])
{
unsigned int i=0;
ModelInstance* comp = (ModelInstance *)c;
if (invalidState(comp, "fmiSetBoolean", modelInstantiated|modelInitialized))
return fmiError;
if (nvr>0 && nullPointer(comp, "fmiSetBoolean", "vr[]", vr))
return fmiError;
if (nvr>0 && nullPointer(comp, "fmiSetBoolean", "value[]", value))
return fmiError;
if (comp->loggingOn)
comp->functions.logger(c, comp->instanceName, fmiOK, "log", "fmiSetBoolean: nvr = %d", nvr);
for (i=0; i<nvr; i++) {
if (vrOutOfRange(comp, "fmiSetBoolean", vr[i], NUMBER_OF_BOOLEANS))
return fmiError;
if (comp->loggingOn) comp->functions.logger(c, comp->instanceName, fmiOK, "log",
"fmiSetBoolean: #b%d# = %s", vr[i], value[i] ? "true" : "false");
if (setBoolean(comp, vr[i],value[i]) != fmiOK) // to be implemented by the includer of this file
return fmiError;
}
return fmiOK;
}
fmiStatus fmiSetString(fmiComponent c, const fmiValueReference vr[], size_t nvr, const fmiString value[])
{
unsigned int i=0;
ModelInstance* comp = (ModelInstance *)c;
if (invalidState(comp, "fmiSetString", modelInstantiated|modelInitialized))
return fmiError;
if (nvr>0 && nullPointer(comp, "fmiSetString", "vr[]", vr))
return fmiError;
if (nvr>0 && nullPointer(comp, "fmiSetString", "value[]", value))
return fmiError;
if (comp->loggingOn)
comp->functions.logger(c, comp->instanceName, fmiOK, "log", "fmiSetString: nvr = %d", nvr);
for (i=0; i<nvr; i++) {
if (vrOutOfRange(comp, "fmiSetString", vr[i], NUMBER_OF_STRINGS))
return fmiError;
if (comp->loggingOn) comp->functions.logger(c, comp->instanceName, fmiOK, "log",
"fmiSetString: #s%d# = '%s'", vr[i], value[i]);
if (setString(comp, vr[i],value[i]) != fmiOK) // to be implemented by the includer of this file
return fmiError;
}
return fmiOK;
}
fmiStatus fmiSetTime(fmiComponent c, fmiReal time)
{
ModelInstance* comp = (ModelInstance *)c;
if (invalidState(comp, "fmiSetTime", modelInstantiated|modelInitialized))
return fmiError;
if (comp->loggingOn) comp->functions.logger(c, comp->instanceName, fmiOK, "log",
"fmiSetTime: time=%.16g", time);
comp->fmuData->localData[0]->timeValue = time;
return fmiOK;
}
fmiStatus fmiSetContinuousStates(fmiComponent c, const fmiReal x[], size_t nx)
{
ModelInstance* comp = (ModelInstance *)c;
unsigned int i=0;
if (invalidState(comp, "fmiSetContinuousStates", modelInitialized))
return fmiError;
if (invalidNumber(comp, "fmiSetContinuousStates", "nx", nx, NUMBER_OF_STATES))
return fmiError;
#if NUMBER_OF_STATES>0
if (nullPointer(comp, "fmiSetContinuousStates", "x[]", x))
return fmiError;
for (i=0; i<nx; i++) {
fmiValueReference vr = vrStates[i];
if (comp->loggingOn) comp->functions.logger(c, comp->instanceName, fmiOK, "log",
"fmiSetContinuousStates: #r%d#=%.16g", vr, x[i]);
assert(vr>=0 && vr<NUMBER_OF_REALS);
if (setReal(comp, vr, x[i]) != fmiOK) // to be implemented by the includer of this file
return fmiError;
}
#endif
return fmiOK;
}
// ---------------------------------------------------------------------------
// FMI functions: get variable values from the FMU
// ---------------------------------------------------------------------------
fmiStatus fmiGetReal(fmiComponent c, const fmiValueReference vr[], size_t nvr, fmiReal value[])
{
unsigned int i=0;
ModelInstance* comp = (ModelInstance *)c;
if (invalidState(comp, "fmiGetReal", not_modelError))
return fmiError;
if (nvr>0 && nullPointer(comp, "fmiGetReal", "vr[]", vr))
return fmiError;
if (nvr>0 && nullPointer(comp, "fmiGetReal", "value[]", value))
return fmiError;
#if NUMBER_OF_REALS>0
for (i=0; i<nvr; i++) {
if (vrOutOfRange(comp, "fmiGetReal", vr[i], NUMBER_OF_REALS+NUMBER_OF_STATES))
return fmiError;
value[i] = getReal(comp, vr[i]);
if (comp->loggingOn) comp->functions.logger(c, comp->instanceName, fmiOK, "log",
"fmiGetReal: #r%u# = %.16g", vr[i], value[i]);
}
return fmiOK;
#else
return fmiOK;
#endif
}
fmiStatus fmiGetInteger(fmiComponent c, const fmiValueReference vr[], size_t nvr, fmiInteger value[])
{
unsigned int i=0;
ModelInstance* comp = (ModelInstance *)c;
if (invalidState(comp, "fmiGetInteger", not_modelError))
return fmiError;
if (nvr>0 && nullPointer(comp, "fmiGetInteger", "vr[]", vr))
return fmiError;
if (nvr>0 && nullPointer(comp, "fmiGetInteger", "value[]", value))
return fmiError;
#if NUMBER_OF_INTEGERS>0
for (i=0; i<nvr; i++) {
if (vrOutOfRange(comp, "fmiGetInteger", vr[i], NUMBER_OF_INTEGERS))
return fmiError;
value[i] = getInteger(comp, vr[i]); // to be implemented by the includer of this file
if (comp->loggingOn) comp->functions.logger(c, comp->instanceName, fmiOK, "log",
"fmiGetInteger: #i%u# = %d", vr[i], value[i]);
}
return fmiOK;
#else
return fmiOK;
#endif
}
fmiStatus fmiGetBoolean(fmiComponent c, const fmiValueReference vr[], size_t nvr, fmiBoolean value[])
{
unsigned int i=0;
ModelInstance* comp = (ModelInstance *)c;
if (invalidState(comp, "fmiGetBoolean", not_modelError))
return fmiError;
if (nvr>0 && nullPointer(comp, "fmiGetBoolean", "vr[]", vr))
return fmiError;
if (nvr>0 && nullPointer(comp, "fmiGetBoolean", "value[]", value))
return fmiError;
#if NUMBER_OF_BOOLEANS>0
for (i=0; i<nvr; i++) {
if (vrOutOfRange(comp, "fmiGetBoolean", vr[i], NUMBER_OF_BOOLEANS))
return fmiError;
value[i] = getBoolean(comp, vr[i]); // to be implemented by the includer of this file
if (comp->loggingOn) comp->functions.logger(c, comp->instanceName, fmiOK, "log",
"fmiGetBoolean: #b%u# = %s", vr[i], value[i]? "true" : "false");
}
return fmiOK;
#else
return fmiOK;
#endif
}
fmiStatus fmiGetString(fmiComponent c, const fmiValueReference vr[], size_t nvr, fmiString value[])
{
unsigned int i=0;
ModelInstance* comp = (ModelInstance *)c;
if (invalidState(comp, "fmiGetString", not_modelError))
return fmiError;
if (nvr>0 && nullPointer(comp, "fmiGetString", "vr[]", vr))
return fmiError;
if (nvr>0 && nullPointer(comp, "fmiGetString", "value[]", value))
return fmiError;
#if NUMBER_OF_STRINGS>0
for (i=0; i<nvr; i++) {
if (vrOutOfRange(comp, "fmiGetString", vr[i], NUMBER_OF_STRINGS))
return fmiError;
value[i] = getString(comp, vr[i]); // to be implemented by the includer of this file
if (comp->loggingOn) comp->functions.logger(c, comp->instanceName, fmiOK, "log",
"fmiGetString: #s%u# = '%s'", vr[i], value[i]);
}
return fmiOK;
#else
return fmiOK;
#endif
}
fmiStatus fmiGetStateValueReferences(fmiComponent c, fmiValueReference vrx[], size_t nx)
{
unsigned int i=0;
ModelInstance* comp = (ModelInstance *)c;
if (invalidState(comp, "fmiGetStateValueReferences", not_modelError))
return fmiError;
if (invalidNumber(comp, "fmiGetStateValueReferences", "nx", nx, NUMBER_OF_STATES))
return fmiError;
if (nullPointer(comp, "fmiGetStateValueReferences", "vrx[]", vrx))
return fmiError;
#if NUMBER_OF_STATES>0
for (i=0; i<nx; i++) {
vrx[i] = vrStates[i];
if (comp->loggingOn) comp->functions.logger(c, comp->instanceName, fmiOK, "log",
"fmiGetStateValueReferences: vrx[%d] = %d", i, vrx[i]);
}
#endif
return fmiOK;
}
fmiStatus fmiGetContinuousStates(fmiComponent c, fmiReal states[], size_t nx)
{
unsigned int i=0;
ModelInstance* comp = (ModelInstance *)c;
if (invalidState(comp, "fmiGetContinuousStates", not_modelError))
return fmiError;
if (invalidNumber(comp, "fmiGetContinuousStates", "nx", nx, NUMBER_OF_STATES))
return fmiError;
if (nullPointer(comp, "fmiGetContinuousStates", "states[]", states))
return fmiError;
#if NUMBER_OF_STATES>0
for (i=0; i<nx; i++) {
fmiValueReference vr = vrStates[i];
states[i] = getReal(comp, vr); // to be implemented by the includer of this file
if (comp->loggingOn) comp->functions.logger(c, comp->instanceName, fmiOK, "log",
"fmiGetContinuousStates: #r%u# = %.16g", vr, states[i]);
}
#endif
return fmiOK;
}
fmiStatus fmiGetNominalContinuousStates(fmiComponent c, fmiReal x_nominal[], size_t nx)
{
unsigned int i=0;
ModelInstance* comp = (ModelInstance *)c;
if (invalidState(comp, "fmiGetNominalContinuousStates", not_modelError))
return fmiError;
if (invalidNumber(comp, "fmiGetNominalContinuousStates", "nx", nx, NUMBER_OF_STATES))
return fmiError;
if (nullPointer(comp, "fmiGetNominalContinuousStates", "x_nominal[]", x_nominal))
return fmiError;
x_nominal[0] = 1;
if (comp->loggingOn) comp->functions.logger(c, comp->instanceName, fmiOK, "log",
"fmiGetNominalContinuousStates: x_nominal[0..%d] = 1.0", nx-1);
for (i=0; i<nx; i++)
x_nominal[i] = 1;
return fmiOK;
}
fmiStatus fmiGetDerivatives(fmiComponent c, fmiReal derivatives[], size_t nx)
{
unsigned int i=0;
ModelInstance* comp = (ModelInstance *)c;
threadData_t *threadData = comp->fmuData->threadData;
if (invalidState(comp, "fmiGetDerivatives", not_modelError))
return fmiError;
if (invalidNumber(comp, "fmiGetDerivatives", "nx", nx, NUMBER_OF_STATES))
return fmiError;
if (nullPointer(comp, "fmiGetDerivatives", "derivatives[]", derivatives))
return fmiError;
/* try */
MMC_TRY_INTERNAL(simulationJumpBuffer)
comp->fmuData->callback->functionODE(comp->fmuData);
#if (NUMBER_OF_STATES>0)
for (i=0; i<nx; i++) {
fmiValueReference vr = vrStatesDerivatives[i];
derivatives[i] = getReal(comp, vr); // to be implemented by the includer of this file
if (comp->loggingOn) comp->functions.logger(c, comp->instanceName, fmiOK, "log",
"fmiGetDerivatives: #r%d# = %.16g", vr, derivatives[i]);
}
#endif
return fmiOK;
/* catch */
MMC_CATCH_INTERNAL(simulationJumpBuffer)
comp->functions.logger(c, comp->instanceName, fmiError, "error", "fmiGetEventIndicators: terminated by an assertion.");
return fmiError;
}
fmiStatus fmiGetEventIndicators(fmiComponent c, fmiReal eventIndicators[], size_t ni)
{
unsigned int i=0;
ModelInstance* comp = (ModelInstance *)c;
threadData_t *threadData = comp->fmuData->threadData;
if (invalidState(comp, "fmiGetEventIndicators", not_modelError))
return fmiError;
if (invalidNumber(comp, "fmiGetEventIndicators", "ni", ni, NUMBER_OF_EVENT_INDICATORS))
return fmiError;
/* try */
MMC_TRY_INTERNAL(simulationJumpBuffer)
#if NUMBER_OF_EVENT_INDICATORS>0
/* eval needed equations*/
comp->fmuData->callback->function_ZeroCrossingsEquations(comp->fmuData);
comp->fmuData->callback->function_ZeroCrossings(comp->fmuData,comp->fmuData->simulationInfo.zeroCrossings);
for (i=0; i<ni; i++) {
/* retVal = getEventIndicator(comp, i, eventIndicators[i]); // to be implemented by the includer of this file
* getEventIndicator(comp, eventIndicators); // to be implemented by the includer of this file */
eventIndicators[i] = comp->fmuData->simulationInfo.zeroCrossings[i];
if (comp->loggingOn){
comp->functions.logger(c, comp->instanceName, fmiOK, "log",
"fmiGetEventIndicators: z%d = %.16g", i, eventIndicators[i]);
}
}
#endif
return fmiOK;
/* catch */
MMC_CATCH_INTERNAL(simulationJumpBuffer)
comp->functions.logger(c, comp->instanceName, fmiError, "error", "fmiGetEventIndicators: terminated by an assertion.");
return fmiError;
}
// ---------------------------------------------------------------------------
// FMI functions: initialization, event handling, stepping and termination
// ---------------------------------------------------------------------------
fmiStatus fmiInitialize(fmiComponent c, fmiBoolean toleranceControlled, fmiReal relativeTolerance, fmiEventInfo* eventInfo)
{
double nextSampleEvent=0;
ModelInstance* comp = (ModelInstance *)c;
threadData_t *threadData = comp->fmuData->threadData;
threadData->currentErrorStage = ERROR_SIMULATION;
if (invalidState(comp, "fmiInitialize", modelInstantiated))
return fmiError;
if (nullPointer(comp, "fmiInitialize", "eventInfo", eventInfo))
return fmiError;
if (comp->loggingOn) comp->functions.logger(c, comp->instanceName, fmiOK, "log",
"fmiInitialize: toleranceControlled=%d relativeTolerance=%g",
toleranceControlled, relativeTolerance);
*eventInfo = comp->eventInfo;
/* set zero-crossing tolerance */
setZCtol(relativeTolerance);
setStartValues(comp);
copyStartValuestoInitValues(comp->fmuData);
/* read input vars */
//input_function(comp->fmuData);
/* initial sample and delay before initial the system */
comp->fmuData->callback->callExternalObjectConstructors(comp->fmuData);
/* allocate memory for non-linear system solvers */
initializeNonlinearSystems(comp->fmuData);
/* allocate memory for non-linear system solvers */
initializeLinearSystems(comp->fmuData);
/* allocate memory for mixed system solvers */
initializeMixedSystems(comp->fmuData);
/* allocate memory for state selection */
initializeStateSetJacobians(comp->fmuData);
/* try */
MMC_TRY_INTERNAL(simulationJumpBuffer)
if(initialization(comp->fmuData, "", "", "", 0.0, 5))
{
comp->state = modelError;
if(comp->loggingOn) comp->functions.logger(c, comp->instanceName, fmiOK, "log",
"fmiInitialization: failed");
}
else
{
comp->state = modelInitialized;
if(comp->loggingOn) comp->functions.logger(c, comp->instanceName, fmiOK, "log",
"fmiInitialization: succeed");
}
/*TODO: Simulation stop time is need to calculate in before hand all sample events
We shouldn't generate them all in beforehand */
initSample(comp->fmuData, comp->fmuData->localData[0]->timeValue, 100 /*should be stopTime*/);
initDelay(comp->fmuData, comp->fmuData->localData[0]->timeValue);
/* due to an event overwrite old values */
overwriteOldSimulationData(comp->fmuData);
comp->eventInfo.iterationConverged = fmiTrue;
comp->eventInfo.stateValueReferencesChanged = fmiFalse;
comp->eventInfo.stateValuesChanged = fmiTrue;
comp->eventInfo.terminateSimulation = fmiFalse;
/* Get next event time (sample calls)*/
nextSampleEvent = getNextSampleTimeFMU(comp->fmuData);
if (nextSampleEvent == -1){
comp->eventInfo.upcomingTimeEvent = fmiFalse;
}else{
comp->eventInfo.upcomingTimeEvent = fmiTrue;
comp->eventInfo.nextEventTime = nextSampleEvent;
fmiEventUpdate(comp, fmiFalse, &(comp->eventInfo));
}
return fmiOK;
/* catch */
MMC_CATCH_INTERNAL(simulationJumpBuffer)
comp->functions.logger(c, comp->instanceName, fmiError, "error", "fmiInitialize: terminated by an assertion.");
return fmiError;
}
fmiStatus fmiEventUpdate(fmiComponent c, fmiBoolean intermediateResults, fmiEventInfo* eventInfo)
{
int i;
ModelInstance* comp = (ModelInstance *)c;
threadData_t *threadData = comp->fmuData->threadData;
if (invalidState(comp, "fmiEventUpdate", modelInitialized))
return fmiError;
if (nullPointer(comp, "fmiEventUpdate", "eventInfo", eventInfo))
return fmiError;
eventInfo->stateValuesChanged = fmiFalse;
if (comp->loggingOn) comp->functions.logger(c, comp->instanceName, fmiOK, "log",
"fmiEventUpdate: Start Event Update! Next Sample Event %g", eventInfo->nextEventTime);
/* try */
MMC_TRY_INTERNAL(simulationJumpBuffer)
if (stateSelection(comp->fmuData, 1, 1))
{
if (comp->loggingOn) comp->functions.logger(c, comp->instanceName, fmiOK, "log",
"fmiEventUpdate: Need to iterate state values changed!");
/* if new set is calculated reinit the solver */
eventInfo->stateValuesChanged = fmiTrue;
}
if(eventInfo->nextEventTime <= comp->fmuData->localData[0]->timeValue)
comp->fmuData->simulationInfo.sampleActivated = 1;
/* sample event */
if(comp->fmuData->simulationInfo.sampleActivated)
{
storePreValues(comp->fmuData);
/* activate sample event */
for(i=0; i<comp->fmuData->modelData.nSamples; ++i)
{
if(comp->fmuData->simulationInfo.nextSampleTimes[i] <= comp->fmuData->localData[0]->timeValue)
{
comp->fmuData->simulationInfo.samples[i] = 1;
infoStreamPrint(LOG_EVENTS, 0, "[%ld] sample(%g, %g)", comp->fmuData->modelData.samplesInfo[i].index, comp->fmuData->modelData.samplesInfo[i].start, comp->fmuData->modelData.samplesInfo[i].interval);
}
}
comp->fmuData->callback->functionDAE(comp->fmuData);
/* deactivate sample events */
for(i=0; i<comp->fmuData->modelData.nSamples; ++i)
{
if(comp->fmuData->simulationInfo.samples[i])
{
comp->fmuData->simulationInfo.samples[i] = 0;
comp->fmuData->simulationInfo.nextSampleTimes[i] += comp->fmuData->modelData.samplesInfo[i].interval;
}
}
for(i=0; i<comp->fmuData->modelData.nSamples; ++i)
if((i == 0) || (comp->fmuData->simulationInfo.nextSampleTimes[i] < comp->fmuData->simulationInfo.nextSampleEvent))
comp->fmuData->simulationInfo.nextSampleEvent = comp->fmuData->simulationInfo.nextSampleTimes[i];
comp->fmuData->simulationInfo.sampleActivated = 0;
}
else
{
comp->fmuData->callback->function_updateRelations(comp->fmuData, 1);
updateRelationsPre(comp->fmuData);
storeRelations(comp->fmuData);
comp->fmuData->callback->functionDAE(comp->fmuData);
}
if(comp->fmuData->callback->checkForDiscreteChanges(comp->fmuData) || comp->fmuData->simulationInfo.needToIterate || checkRelations(comp->fmuData) || eventInfo->stateValuesChanged)
{
intermediateResults = fmiTrue;
if (comp->loggingOn)
comp->functions.logger(c, comp->instanceName, fmiOK, "log", "fmiEventUpdate: Need to iterate(discrete changes)!");
eventInfo->iterationConverged = fmiFalse;
eventInfo->stateValueReferencesChanged = fmiFalse;
eventInfo->stateValuesChanged = fmiTrue;
eventInfo->terminateSimulation = fmiFalse;
}
else
{
intermediateResults = fmiFalse;
eventInfo->iterationConverged = fmiTrue;
eventInfo->stateValueReferencesChanged = fmiFalse;
eventInfo->terminateSimulation = fmiFalse;
}
/* due to an event overwrite old values */
overwriteOldSimulationData(comp->fmuData);
/* TODO: check the event iteration for relation
* in fmi import and export. This is an workaround,
* since the iteration seem not starting.
*/
storePreValues(comp->fmuData);
updateRelationsPre(comp->fmuData);
if (comp->loggingOn)
comp->functions.logger(c, comp->instanceName, fmiOK, "log", "fmiEventUpdate: intermediateResults = %d", intermediateResults);
//Get Next Event Time
double nextSampleEvent=0;
nextSampleEvent = getNextSampleTimeFMU(comp->fmuData);
if (nextSampleEvent == -1)
{
eventInfo->upcomingTimeEvent = fmiFalse;
}
else
{
eventInfo->upcomingTimeEvent = fmiTrue;
eventInfo->nextEventTime = nextSampleEvent;
}
if (comp->loggingOn)
comp->functions.logger(c, comp->instanceName, fmiOK, "log", "fmiEventUpdate: Checked for Sample Events! Next Sample Event %g",eventInfo->nextEventTime);
return fmiOK;
/* catch */
MMC_CATCH_INTERNAL(simulationJumpBuffer)
comp->functions.logger(c, comp->instanceName, fmiError, "error", "fmiEventUpdate: terminated by an assertion.");
return fmiError;
}
fmiStatus fmiCompletedIntegratorStep(fmiComponent c, fmiBoolean* callEventUpdate)
{
ModelInstance* comp = (ModelInstance *)c;
threadData_t *threadData = comp->fmuData->threadData;
if (invalidState(comp, "fmiCompletedIntegratorStep", modelInitialized))
return fmiError;
if (nullPointer(comp, "fmiCompletedIntegratorStep", "callEventUpdate", callEventUpdate))
return fmiError;
if (comp->loggingOn) comp->functions.logger(c, comp->instanceName, fmiOK, "log",
"fmiCompletedIntegratorStep");
/* try */
MMC_TRY_INTERNAL(simulationJumpBuffer)
comp->fmuData->callback->functionAlgebraics(comp->fmuData);
comp->fmuData->callback->output_function(comp->fmuData);
comp->fmuData->callback->function_storeDelayed(comp->fmuData);
storePreValues(comp->fmuData);
*callEventUpdate = fmiFalse;
/******** check state selection ********/
if (stateSelection(comp->fmuData,1, 0))
{
if (comp->loggingOn) comp->functions.logger(c, comp->instanceName, fmiOK, "log",
"fmiEventUpdate: Need to iterate state values changed!");
/* if new set is calculated reinit the solver */
*callEventUpdate = fmiTrue;
}
/* TODO: fix the extrapolation in non-linear system
* then we can stop to save all variables in
* in the whole ringbuffer
*/
overwriteOldSimulationData(comp->fmuData);
return fmiOK;
/* catch */
MMC_CATCH_INTERNAL(simulationJumpBuffer)
comp->functions.logger(c, comp->instanceName, fmiError, "error", "fmiCompletedIntegratorStep: terminated by an assertion.");
return fmiError;
}
fmiStatus fmiTerminate(fmiComponent c)
{
ModelInstance* comp = (ModelInstance *)c;
if (invalidState(comp, "fmiTerminate", modelInitialized))
return fmiError;
if (comp->loggingOn) comp->functions.logger(c, comp->instanceName, fmiOK, "log",
"fmiTerminate");
comp->state = modelTerminated;
/* deinitDelay(comp->fmuData); */
comp->fmuData->callback->callExternalObjectDestructors(comp->fmuData);
/* free nonlinear system data */
freeNonlinearSystems(comp->fmuData);
/* free mixed system data */
freeMixedSystems(comp->fmuData);
/* free linear system data */
freeLinearSystems(comp->fmuData);
/* free stateset data */
freeStateSetData(comp->fmuData);
deInitializeDataStruc(comp->fmuData);
comp->functions.freeMemory(comp->fmuData->threadData);
GC_free(comp->fmuData);
comp->state = modelTerminated;
return fmiOK;
}
// ---------------------------------------------------------------------------
// FMI functions: set external functions
// ---------------------------------------------------------------------------
fmiStatus fmiSetExternalFunction(fmiComponent c, fmiValueReference vr[], size_t nvr, const void* value[])
{
unsigned int i=0;
ModelInstance* comp = (ModelInstance *)c;
if (invalidState(comp, "fmiTerminate", modelInstantiated))
return fmiError;
if (nvr>0 && nullPointer(comp, "fmiSetExternalFunction", "vr[]", vr))
return fmiError;
if (nvr>0 && nullPointer(comp, "fmiSetExternalFunction", "value[]", value))
return fmiError;
if (comp->loggingOn) comp->functions.logger(c, comp->instanceName, fmiOK, "log",
"fmiSetExternalFunction");
// no check wether setting the value is allowed in the current state
for (i=0; i<nvr; i++) {
if (vrOutOfRange(comp, "fmiSetExternalFunction", vr[i], NUMBER_OF_EXTERNALFUNCTIONS))
return fmiError;
if (setExternalFunction(comp, vr[i],value[i]) != fmiOK) // to be implemented by the includer of this file
return fmiError;
}
return fmiOK;
}
// relation functions used in zero crossing detection
fmiReal
FmiLess(fmiReal a, fmiReal b)
{
return a - b;
}
fmiReal
FmiLessEq(fmiReal a, fmiReal b)
{
return a - b;
}
fmiReal
FmiGreater(fmiReal a, fmiReal b)
{
return b - a;
}
fmiReal
FmiGreaterEq(fmiReal a, fmiReal b)
{
return b - a;
}