summaryrefslogtreecommitdiff
path: root/include/dlt/dlt_common.h
blob: 41a98200d1e8b8173ea6f8ad9e0133c16d21b3b0 (plain)
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
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
/*
 * Dlt- Diagnostic Log and Trace
 * @licence app begin@
 *
 * Copyright (C) 2011, BMW AG - Alexander Wenzel <alexander.wenzel@bmw.de>
 * 
 * This program is free software; you can redistribute it and/or modify it under the terms of the 
 * GNU Lesser General Public License, version 2.1, as published by the Free Software Foundation.
 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even 
 * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General 
 * Public License, version 2.1, for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License, version 2.1, along 
 * with this program; if not, see <http://www.gnu.org/licenses/lgpl-2.1.html>.
 * 
 * Note that the copyright holders assume that the GNU Lesser General Public License, version 2.1, may 
 * also be applicable to programs even in cases in which the program is not a library in the technical sense.
 * 
 * Linking DLT statically or dynamically with other modules is making a combined work based on DLT. You may 
 * license such other modules under the GNU Lesser General Public License, version 2.1. If you do not want to 
 * license your linked modules under the GNU Lesser General Public License, version 2.1, you 
 * may use the program under the following exception.
 * 
 * As a special exception, the copyright holders of DLT give you permission to combine DLT 
 * with software programs or libraries that are released under any license unless such a combination is not
 * permitted by the license of such a software program or library. You may copy and distribute such a 
 * system following the terms of the GNU Lesser General Public License, version 2.1, including this
 * special exception, for DLT and the licenses of the other code concerned.
 * 
 * Note that people who make modified versions of DLT are not obligated to grant this special exception 
 * for their modified versions; it is their choice whether to do so. The GNU Lesser General Public License, 
 * version 2.1, gives permission to release a modified version without this exception; this exception 
 * also makes it possible to release a modified version which carries forward this exception.
 *
 * @licence end@
 */


/*******************************************************************************
**                                                                            **
**  SRC-MODULE: dlt_common.h                                                  **
**                                                                            **
**  TARGET    : linux                                                         **
**                                                                            **
**  PROJECT   : DLT                                                           **
**                                                                            **
**  AUTHOR    : Alexander Wenzel Alexander.AW.Wenzel@bmw.de                   **
**              Markus Klein                                                  **
**                                                                            **
**  PURPOSE   :                                                               **
**                                                                            **
**  REMARKS   :                                                               **
**                                                                            **
**  PLATFORM DEPENDANT [yes/no]: yes                                          **
**                                                                            **
**  TO BE CHANGED BY USER [yes/no]: no                                        **
**                                                                            **
*******************************************************************************/

/*******************************************************************************
**                      Author Identity                                       **
********************************************************************************
**                                                                            **
** Initials     Name                       Company                            **
** --------     -------------------------  ---------------------------------- **
**  aw          Alexander Wenzel           BMW                                **
**  mk          Markus Klein               Fraunhofer ESK                     **
*******************************************************************************/

/*******************************************************************************
**                      Revision Control History                              **
*******************************************************************************/

/*
 * $LastChangedRevision: 1670 $
 * $LastChangedDate: 2011-04-08 15:12:06 +0200 (Fr, 08. Apr 2011) $
 * $LastChangedBy$
 Initials    Date         Comment
 aw          13.01.2010   initial
 */
#ifndef DLT_COMMON_H
#define DLT_COMMON_H

/**
  \defgroup commonapi DLT Common API
  \addtogroup commonapi
  \{
*/

#include <stdio.h>

#if !defined(_MSC_VER)
#include <unistd.h>
#include <time.h>
#endif

#if !defined (__WIN32__) && !defined(_MSC_VER)
#include <termios.h>
#endif

#include "dlt_types.h"
#include "dlt_protocol.h"

#if !defined (PACKED)
#define PACKED __attribute__((aligned(1),packed))
#endif

#if defined (__MSDOS__) || defined (_MSC_VER)
/* set instead /Zp8 flag in Visual C++ configuration */
#undef PACKED
#define PACKED
#endif

/*
 * Macros to swap the byte order.
 */
#define DLT_SWAP_64(value) ((((uint64_t)DLT_SWAP_32((value)&0xffffffffull))<<32) | (DLT_SWAP_32((value)>>32)))

#define DLT_SWAP_16(value) ((((value) >> 8)&0xff) | (((value) << 8)&0xff00))
#define DLT_SWAP_32(value) ((((value) >> 24)&0xff) | (((value) << 8)&0xff0000) | (((value) >> 8)&0xff00) | (((value) << 24)&0xff000000))

/* Set Big Endian and Little Endian to a initial value, if not defined */
#ifndef LITTLE_ENDIAN
#define LITTLE_ENDIAN 1234
#endif

#ifndef BIG_ENDIAN
#define BIG_ENDIAN    4321
#endif

/* If byte order is not defined, default to little endian */
#ifndef BYTE_ORDER
#define BYTE_ORDER LITTLE_ENDIAN
#endif

/* Check for byte-order */
#if (BYTE_ORDER==BIG_ENDIAN)
/* #warning "Big Endian Architecture!" */
#define DLT_HTOBE_16(x) ((x))
#define DLT_HTOLE_16(x) DLT_SWAP_16((x))
#define DLT_BETOH_16(x) ((x))
#define DLT_LETOH_16(x) DLT_SWAP_16((x))

#define DLT_HTOBE_32(x) ((x))
#define DLT_HTOLE_32(x) DLT_SWAP_32((x))
#define DLT_BETOH_32(x) ((x))
#define DLT_LETOH_32(x) DLT_SWAP_32((x))

#define DLT_HTOBE_64(x) ((x))
#define DLT_HTOLE_64(x) DLT_SWAP_64((x))
#define DLT_BETOH_64(x) ((x))
#define DLT_LETOH_64(x) DLT_SWAP_64((x))
#else
/* #warning "Litte Endian Architecture!" */
#define DLT_HTOBE_16(x) DLT_SWAP_16((x))
#define DLT_HTOLE_16(x) ((x))
#define DLT_BETOH_16(x) DLT_SWAP_16((x))
#define DLT_LETOH_16(x) ((x))

#define DLT_HTOBE_32(x) DLT_SWAP_32((x))
#define DLT_HTOLE_32(x) ((x))
#define DLT_BETOH_32(x) DLT_SWAP_32((x))
#define DLT_LETOH_32(x) ((x))

#define DLT_HTOBE_64(x) DLT_SWAP_64((x))
#define DLT_HTOLE_64(x) ((x))
#define DLT_BETOH_64(x) DLT_SWAP_64((x))
#define DLT_LETOH_64(x) ((x))
#endif

#define DLT_ENDIAN_GET_16(htyp,x) ((((htyp) & DLT_HTYP_MSBF)>0)?DLT_BETOH_16(x):DLT_LETOH_16(x))
#define DLT_ENDIAN_GET_32(htyp,x) ((((htyp) & DLT_HTYP_MSBF)>0)?DLT_BETOH_32(x):DLT_LETOH_32(x))
#define DLT_ENDIAN_GET_64(htyp,x) ((((htyp) & DLT_HTYP_MSBF)>0)?DLT_BETOH_64(x):DLT_LETOH_64(x))

#if defined (__WIN32__) || defined (_MSC_VER)
#define	LOG_EMERG	0
#define	LOG_ALERT	1
#define	LOG_CRIT	2
#define	LOG_ERR		3
#define	LOG_WARNING	4
#define	LOG_NOTICE	5
#define	LOG_INFO	6
#define	LOG_DEBUG	7

#define	LOG_PID		0x01
#define	LOG_DAEMON	(3<<3)
#endif

/**
 * The standard TCP Port used for DLT daemon
 */
#define DLT_DAEMON_TCP_PORT 3490

/**
 * The size of a DLT ID
 */
#define DLT_ID_SIZE 4

#define DLT_SIZE_WEID DLT_ID_SIZE
#define DLT_SIZE_WSID (sizeof(uint32_t))
#define DLT_SIZE_WTMS (sizeof(uint32_t))

/**
 * Get the size of extra header parameters, depends on htyp.
 */
#define DLT_STANDARD_HEADER_EXTRA_SIZE(htyp) ( (DLT_IS_HTYP_WEID(htyp) ? DLT_SIZE_WEID : 0) + (DLT_IS_HTYP_WSID(htyp) ? DLT_SIZE_WSID : 0) + (DLT_IS_HTYP_WTMS(htyp) ? DLT_SIZE_WTMS : 0) )


#if defined (__MSDOS__) || defined (_MSC_VER)
#define __func__ __FUNCTION__
#endif

#define PRINT_FUNCTION_VERBOSE(_verbose)  \
{ \
	static char _strbuf[255]; \
    \
    if(_verbose) \
    { \
		sprintf(_strbuf, "%s()\n",__func__); \
		dlt_log(LOG_INFO, _strbuf); \
    } \
}

#ifndef NULL
#define NULL (char*)0
#endif

#define DLT_MSG_IS_CONTROL(MSG)          ((DLT_IS_HTYP_UEH((MSG)->standardheader->htyp)) && \
                                          (DLT_GET_MSIN_MSTP((MSG)->extendedheader->msin)==DLT_TYPE_CONTROL))

#define DLT_MSG_IS_CONTROL_REQUEST(MSG)  ((DLT_IS_HTYP_UEH((MSG)->standardheader->htyp)) && \
                                          (DLT_GET_MSIN_MSTP((MSG)->extendedheader->msin)==DLT_TYPE_CONTROL) && \
                                          (DLT_GET_MSIN_MTIN((MSG)->extendedheader->msin)==DLT_CONTROL_REQUEST))

#define DLT_MSG_IS_CONTROL_RESPONSE(MSG) ((DLT_IS_HTYP_UEH((MSG)->standardheader->htyp)) && \
                                          (DLT_GET_MSIN_MSTP((MSG)->extendedheader->msin)==DLT_TYPE_CONTROL) && \
                                          (DLT_GET_MSIN_MTIN((MSG)->extendedheader->msin)==DLT_CONTROL_RESPONSE))

#define DLT_MSG_IS_CONTROL_TIME(MSG)     ((DLT_IS_HTYP_UEH((MSG)->standardheader->htyp)) && \
                                          (DLT_GET_MSIN_MSTP((MSG)->extendedheader->msin)==DLT_TYPE_CONTROL) && \
                                          (DLT_GET_MSIN_MTIN((MSG)->extendedheader->msin)==DLT_CONTROL_TIME))

#define DLT_MSG_IS_NW_TRACE(MSG)         ((DLT_IS_HTYP_UEH((MSG)->standardheader->htyp)) && \
									      (DLT_GET_MSIN_MSTP((MSG)->extendedheader->msin)==DLT_TYPE_NW_TRACE))

#define DLT_MSG_IS_TRACE_MOST(MSG)       ((DLT_IS_HTYP_UEH((MSG)->standardheader->htyp)) && \
									      (DLT_GET_MSIN_MSTP((MSG)->extendedheader->msin)==DLT_TYPE_NW_TRACE) && \
									      (DLT_GET_MSIN_MTIN((MSG)->extendedheader->msin)==DLT_NW_TRACE_MOST))

#define DLT_MSG_IS_NONVERBOSE(MSG)       (!(DLT_IS_HTYP_UEH((MSG)->standardheader->htyp)) || \
                                          ((DLT_IS_HTYP_UEH((MSG)->standardheader->htyp)) && (!(DLT_IS_MSIN_VERB((MSG)->extendedheader->msin)))))

/*

 * Definitions of DLT message buffer overflow
 */
#define DLT_MESSAGE_BUFFER_NO_OVERFLOW     0x00 /**< Buffer overflow has not occured */
#define DLT_MESSAGE_BUFFER_OVERFLOW        0x01 /**< Buffer overflow has occured */

/*
 * Definition of DLT output variants
 */
#define DLT_OUTPUT_HEX              1
#define DLT_OUTPUT_ASCII            2
#define DLT_OUTPUT_MIXED_FOR_PLAIN  3
#define DLT_OUTPUT_MIXED_FOR_HTML   4
#define DLT_OUTPUT_ASCII_LIMITED    5

#define DLT_FILTER_MAX 30 /**< Maximum number of filters */

#define DLT_MSG_READ_VALUE(dst,src,length,type) \
    { \
    if((length<0) || ((length)<((int32_t)sizeof(type)))) \
        { length = -1; } \
    else \
        { dst = *((type*)src);src+=sizeof(type);length-=sizeof(type); } \
    }

#define DLT_MSG_READ_ID(dst,src,length) \
    { \
    if((length<0) || ((length)<DLT_ID_SIZE)) \
        { length = -1; } \
    else \
        { memcpy(dst,src,DLT_ID_SIZE);src+=DLT_ID_SIZE;length-=DLT_ID_SIZE; } \
    }

#define DLT_MSG_READ_STRING(dst,src,maxlength,length) \
    { \
    if(((maxlength)<0) || ((length)<0) || ((maxlength)<(length))) \
        { maxlength = -1; } \
    else \
        { memcpy(dst,src,length);dlt_clean_string(dst,length);dst[length]=0; \
	  src+=length;maxlength-=length; } \
    }

#define DLT_MSG_READ_NULL(src,maxlength,length) \
    { \
    if(((maxlength)<0) || ((length)<0) || ((maxlength)<(length))) \
        { length = -1; } \
    else \
        { src+=length;maxlength-=length; } \
    }

#define DLT_HEADER_SHOW_NONE	   0x0000
#define DLT_HEADER_SHOW_TIME       0x0001
#define DLT_HEADER_SHOW_TMSTP      0x0002
#define DLT_HEADER_SHOW_MSGCNT     0x0004
#define DLT_HEADER_SHOW_ECUID      0x0008
#define DLT_HEADER_SHOW_APID       0x0010
#define DLT_HEADER_SHOW_CTID       0x0020
#define DLT_HEADER_SHOW_MSGTYPE    0x0040
#define DLT_HEADER_SHOW_MSGSUBTYPE 0x0080
#define DLT_HEADER_SHOW_VNVSTATUS  0x0100
#define DLT_HEADER_SHOW_NOARG      0x0200
#define DLT_HEADER_SHOW_ALL        0xFFFF

/**
 * The definition of the serial header containing the characters "DLS" + 0x01.
 */
extern const char dltSerialHeader[DLT_ID_SIZE];

/**
 * The definition of the serial header containing the characters "DLS" + 0x01 as char.
 */
extern char dltSerialHeaderChar[DLT_ID_SIZE];

/**

 * The type of a DLT ID (context id, application id, etc.)
 */
typedef char ID4[DLT_ID_SIZE];

/**
 * The structure of the DLT file storage header. This header is used before each stored DLT message.
 */
typedef struct
{
    char pattern[DLT_ID_SIZE];		/**< This pattern should be DLT0x01 */
    uint32_t seconds;				    /**< seconds since 1.1.1970 */
    int32_t microseconds;			/**< Microseconds */
    char ecu[DLT_ID_SIZE];			/**< The ECU id is added, if it is not already in the DLT message itself */
} PACKED DltStorageHeader;

/**
 * The structure of the DLT standard header. This header is used in each DLT message.
 */
typedef struct
{
    uint8_t htyp;           /**< This parameter contains several informations, see definitions below */
    uint8_t mcnt;           /**< The message counter is increased with each sent DLT message */
    uint16_t len;           /**< Length of the complete message, without storage header */
} PACKED DltStandardHeader;

/**
 * The structure of the DLT extra header parameters. Each parameter is sent only if enabled in htyp.
 */
typedef struct
{
    char ecu[DLT_ID_SIZE];       /**< ECU id */
    uint32_t seid;     /**< Session number */
    uint32_t tmsp;     /**< Timestamp since system start in 0.1 milliseconds */
} PACKED DltStandardHeaderExtra;

/**
 * The structure of the DLT extended header. This header is only sent if enabled in htyp parameter.
 */
typedef struct
{
    uint8_t msin;          /**< messsage info */
    uint8_t noar;          /**< number of arguments */
    char apid[DLT_ID_SIZE];          /**< application id */
    char ctid[DLT_ID_SIZE];          /**< context id */
} PACKED DltExtendedHeader;

/**
 * The structure to organise the DLT messages.
 * This structure is used by the corresponding functions.
 */
typedef struct sDltMessage
{
    /* flags */
    int8_t found_serialheader;

    /* offsets */
    int32_t resync_offset;

    /* size parameters */
    int32_t headersize;    /**< size of complete header including storage header */
    int32_t datasize;      /**< size of complete payload */

    /* buffer for current loaded message */
    uint8_t headerbuffer[sizeof(DltStorageHeader)+
                         sizeof(DltStandardHeader)+sizeof(DltStandardHeaderExtra)+sizeof(DltExtendedHeader)]; /**< buffer for loading complete header */
    uint8_t *databuffer;         /**< buffer for loading payload */

    /* header values of current loaded message */
    DltStorageHeader       *storageheader;  /**< pointer to storage header of current loaded header */
    DltStandardHeader      *standardheader; /**< pointer to standard header of current loaded header */
    DltStandardHeaderExtra headerextra;     /**< extra parameters of current loaded header */
    DltExtendedHeader      *extendedheader; /**< pointer to extended of current loaded header */
} DltMessage;

/**
 * The structure of the DLT Service Get Log Info.
 */
typedef struct
{
    uint32_t service_id;            /**< service ID */
    uint8_t options;                /**< type of request */
    char apid[DLT_ID_SIZE];                   /**< application id */
    char ctid[DLT_ID_SIZE];                   /**< context id */
    char com[DLT_ID_SIZE];                    /**< communication interface */
} PACKED DltServiceGetLogInfoRequest;

/**
 * The structure of the DLT Service Set Log Level.
 */
typedef struct
{

    uint32_t service_id;            /**< service ID */
    char apid[DLT_ID_SIZE];                   /**< application id */
    char ctid[DLT_ID_SIZE];                   /**< context id */
    uint8_t log_level;              /**< log level to be set */
    char com[DLT_ID_SIZE];                    /**< communication interface */
} PACKED DltServiceSetLogLevel;

/**
 * The structure of the DLT Service Set Default Log Level.
 */
typedef struct
{
    uint32_t service_id;            /**< service ID */
    uint8_t log_level;              /**< default log level to be set */
    char com[DLT_ID_SIZE];                    /**< communication interface */
} PACKED DltServiceSetDefaultLogLevel;

/**
 * The structure of the DLT Service Set Verbose Mode
 */
typedef struct
{
    uint32_t service_id;            /**< service ID */
    uint8_t new_status;             /**< new status to be set */
} PACKED DltServiceSetVerboseMode;

/**
 * The structure of the DLT Service Set Communication Interface Status
 */
typedef struct
{
    uint32_t service_id;            /**< service ID */
    char com[DLT_ID_SIZE];                    /**< communication interface */
    uint8_t new_status;             /**< new status to be set */
} PACKED DltServiceSetCommunicationInterfaceStatus;

/**
 * The structure of the DLT Service Set Communication Maximum Bandwidth
 */
typedef struct
{
    uint32_t service_id;            /**< service ID */
    char com[DLT_ID_SIZE];                    /**< communication interface */
    uint32_t max_bandwidth;         /**< maximum bandwith */
} PACKED DltServiceSetCommunicationMaximumBandwidth;

typedef struct
{
    uint32_t service_id;            /**< service ID */
    uint8_t status;                 /**< reponse status */
} PACKED DltServiceResponse;

typedef struct
{
    uint32_t service_id;            /**< service ID */
    uint8_t status;                 /**< reponse status */
    uint8_t log_level;              /**< log level */
} PACKED DltServiceGetDefaultLogLevelResponse;

typedef struct
{
    uint32_t service_id;            /**< service ID */
    uint8_t status;                 /**< reponse status */
    uint8_t overflow;               /**< overflow status */
} PACKED DltServiceMessageBufferOverflowResponse;

typedef struct
{
    uint32_t service_id;            /**< service ID */
    uint8_t  status;                /**< reponse status */
    uint32_t length;                /**< length of following payload */
    /* char [] payload */
} PACKED DltServiceGetSoftwareVersionResponse;

/**
 * Structure to store filter parameters.
 * ID are maximal four characters. Unused values are filled with zeros.
 * If every value as filter is valid, the id should be empty by having only zero values.
 */
typedef struct
{
    char apid[DLT_FILTER_MAX][DLT_ID_SIZE]; /**< application id */
    char ctid[DLT_FILTER_MAX][DLT_ID_SIZE]; /**< context id */
    int  counter;                           /**< number of filters */
} DltFilter;

/**
 * The structure to organise the access to DLT files.
 * This structure is used by the corresponding functions.
 */
typedef struct sDltFile
{
    /* file handle and index for fast access */
    FILE *handle;      /**< file handle of opened DLT file */
    long *index;       /**< file positions of all DLT messages for fast access to file, only filtered messages */

    /* size parameters */
    int32_t counter;       /**< number of messages in DLT file with filter */
    int32_t counter_total; /**< number of messages in DLT file without filter */
    int32_t position;      /**< current index to message parsed in DLT file starting at 0 */
    long file_length;  /**< length of the file */
    long file_position; /**< current position in the file */

    /* error counters */
    int32_t error_messages; /**< number of incomplete DLT messages found during file parsing */

    /* filter parameters */
    DltFilter *filter;  /**< pointer to filter list. Zero if no filter is set. */
    int32_t filter_counter; /**< number of filter set */

    /* current loaded message */
    DltMessage msg;     /**< pointer to message */

} DltFile;

/**
 * The structure is used to organise the receiving of data
 * including buffer handling.
 * This structure is used by the corresponding functions.
 */
typedef struct
{
    int32_t lastBytesRcvd;    /**< bytes received in last receive call */
    int32_t bytesRcvd;        /**< received bytes */
    int32_t totalBytesRcvd;   /**< total number of received bytes */
    char *buffer;         /**< pointer to receiver buffer */
    char *buf;            /**< pointer to position within receiver buffer */
    int fd;               /**< connection handle */
    int32_t buffersize;       /**< size of receiver buffer */
} DltReceiver;

typedef struct
{
	unsigned char* shm;	/* pointer to beginning of shared memory */
	int size; 	/* size of data area in shared memory */
	unsigned char* mem;	/* pointer to data area in shared memory */	
	
    uint32_t    min_size;  /**< Minimum size of buffer */
    uint32_t    max_size;  /**< Maximum size of buffer */
    uint32_t    step_size; /**< Step size of buffer */
} DltBuffer;

typedef struct
{
	int write;
	int read;
	int count;	
} DltBufferHead;

#define DLT_BUFFER_HEAD 	"SHM"

typedef struct
{
	char head[4];
	unsigned char status;
	int size;	
} DltBufferBlockHead;

#ifdef __cplusplus
extern "C"
{
#endif

    /**
     * Helper function to print a byte array in hex.
     * @param ptr pointer to the byte array.
     * @param size number of bytes to be printed.
     */
    void dlt_print_hex(uint8_t *ptr,int size);
    /**
     * Helper function to print a byte array in hex into a string.
     * @param text pointer to a ASCII string, in which the text is written
     * @param textlength maximal size of text buffer
     * @param ptr pointer to the byte array.
     * @param size number of bytes to be printed.
     * @return negative value if there was an error
     */
    int dlt_print_hex_string(char *text,int textlength,uint8_t *ptr,int size);
    /**
     * Helper function to print a byte array in hex and ascii into a string.
     * @param text pointer to a ASCII string, in which the text is written
     * @param textlength maximal size of text buffer
     * @param ptr pointer to the byte array.
     * @param size number of bytes to be printed.
     * @param html output is html? 0 - false, 1 - true
     * @return negative value if there was an error
     */
    int dlt_print_mixed_string(char *text,int textlength,uint8_t *ptr,int size,int html);
    /**
     * Helper function to print a byte array in ascii into a string.
     * @param text pointer to a ASCII string, in which the text is written
     * @param textlength maximal size of text buffer
     * @param ptr pointer to the byte array.
     * @param size number of bytes to be printed.
     * @return negative value if there was an error
     */
    int dlt_print_char_string(char **text,int textlength,uint8_t *ptr,int size);

    /**
     * Helper function to print an id.
     * @param text pointer to ASCII string where to write the id
     * @param id four byte char array as used in DLT mesages as IDs.
     */
    void dlt_print_id(char *text,const char *id);

    /**
     * Helper function to set an ID parameter.
     * @param id four byte char array as used in DLT mesages as IDs.
     * @param text string to be copied into char array.
     */
    void dlt_set_id(char *id,const char *text);

    /**
     * Helper function to remove not nice to print characters, e.g. NULL or carage return.
     * @param text pointer to string to be cleaned.
     * @param length length of string excluding terminating zero.
     */
    void dlt_clean_string(char *text,int length);

    /**
     * Initialise the filter list.
     * This function must be called before using further dlt filter.
     * @param filter pointer to structure of organising DLT filter
     * @param verbose if set to true verbose information is printed out.
     * @return negative value if there was an error
     */
    int dlt_filter_init(DltFilter *filter,int verbose);
    /**
     * Free the used memory by the organising structure of filter.
     * @param filter pointer to structure of organising DLT filter
     * @param verbose if set to true verbose information is printed out.
     * @return negative value if there was an error
     */
    int dlt_filter_free(DltFilter *filter,int verbose);
    /**
     * Load filter list from file.
     * @param filter pointer to structure of organising DLT filter
     * @param filename filename to load filters from
     * @param verbose if set to true verbose information is printed out.
     * @return negative value if there was an error
     */
    int dlt_filter_load(DltFilter *filter,const char *filename,int verbose);
    /**
     * Save filter list to file.
     * @param filter pointer to structure of organising DLT filter
     * @param filename filename to load filters from
     * @param verbose if set to true verbose information is printed out.
     * @return negative value if there was an error
     */
    int dlt_filter_save(DltFilter *filter,const char *filename,int verbose);
    /**
     * Find index of filter in filter list
     * @param filter pointer to structure of organising DLT filter
     * @param apid application id to be found in filter list
     * @param ctid context id to be found in filter list
     * @param verbose if set to true verbose information is printed out.
     * @return negative value if there was an error (or not found), else return index of filter
     */
    int dlt_filter_find(DltFilter *filter,const char *apid,const char *ctid, int verbose);
    /**
     * Add new filter to filter list.
     * @param filter pointer to structure of organising DLT filter
     * @param apid application id to be added to filter list (must always be set).
     * @param ctid context id to be added to filter list. empty equals don't care.
     * @param verbose if set to true verbose information is printed out.
     * @return negative value if there was an error
     */
    int dlt_filter_add(DltFilter *filter,const char *apid,const char *ctid,int verbose);
    /**
     * Delete filter from filter list
     * @param filter pointer to structure of organising DLT filter
     * @param apid application id to be deleted from filter list
     * @param ctid context id to be deleted from filter list
     * @param verbose if set to true verbose information is printed out.
     * @return negative value if there was an error
     */
    int dlt_filter_delete(DltFilter *filter,const char *apid,const char *ctid,int verbose);

    /**
     * Initialise the structure used to access a DLT message.
     * This function must be called before using further dlt_message functions.
     * @param msg pointer to structure of organising access to DLT messages
     * @param verbose if set to true verbose information is printed out.
     * @return negative value if there was an error
     */
    int dlt_message_init(DltMessage *msg,int verbose);
    /**
     * Free the used memory by the organising structure of file.
     * @param msg pointer to structure of organising access to DLT messages
     * @param verbose if set to true verbose information is printed out.
     * @return negative value if there was an error
     */
    int dlt_message_free(DltMessage *msg,int verbose);
    /**
     * Print Header into an ASCII string.
     * This function calls dlt_message_header_flags() with flags=DLT_HEADER_SHOW_ALL
     * @param msg pointer to structure of organising access to DLT messages
     * @param text pointer to a ASCII string, in which the header is written
     * @param textlength maximal size of text buffer
     * @param verbose if set to true verbose information is printed out.
     * @return negative value if there was an error
     */
    int dlt_message_header(DltMessage *msg,char *text,int textlength,int verbose);
    /**
     * Print Header into an ASCII string, selective.
     * @param msg pointer to structure of organising access to DLT messages
     * @param text pointer to a ASCII string, in which the header is written
     * @param textlength maximal size of text buffer
     * @param flags select, bit-field to select, what should be printed (DLT_HEADER_SHOW_...)
     * @param verbose if set to true verbose information is printed out.
     * @return negative value if there was an error
     */
    int dlt_message_header_flags(DltMessage *msg,char *text,int textlength,int flags, int verbose);
    /**
     * Print Payload into an ASCII string.
     * @param msg pointer to structure of organising access to DLT messages
     * @param text pointer to a ASCII string, in which the header is written
     * @param textlength maximal size of text buffer
     * @param type 1 = payload as hex, 2 = payload as ASCII.
     * @param verbose if set to true verbose information is printed out.
     * @return negative value if there was an error
     */
    int dlt_message_payload(DltMessage *msg,char *text,int textlength,int type,int verbose);
    /**
     * Check if message is filtered or not. All filters are applied (logical OR).
     * @param msg pointer to structure of organising access to DLT messages
     * @param filter pointer to filter
     * @param verbose if set to true verbose information is printed out.
     * @return 1 = filter matches, 0 = filter does not match, negative value if there was an error
     */
    int dlt_message_filter_check(DltMessage *msg,DltFilter *filter,int verbose);

    /**
     * Read message from memory buffer.
     * Message in buffer has no storage header.
     * @param msg pointer to structure of organising access to DLT messages
     * @param buffer pointer to memory buffer
     * @param length length of message in buffer
     * @param resync if set to true resync to serial header is enforced
     * @param verbose if set to true verbose information is printed out.
     * @return negative value if there was an error
     */
    int dlt_message_read(DltMessage *msg,uint8_t *buffer,unsigned int length,int resync,int verbose);

    /**
     * Get standard header extra parameters
     * @param msg pointer to structure of organising access to DLT messages
     * @param verbose if set to true verbose information is printed out.
     * @return negative value if there was an error
     */
    int dlt_message_get_extraparameters(DltMessage *msg,int verbose);

    /**
     * Set standard header extra parameters
     * @param msg pointer to structure of organising access to DLT messages
     * @param verbose if set to true verbose information is printed out.
     * @return negative value if there was an error
     */
    int dlt_message_set_extraparameters(DltMessage *msg,int verbose);

    /**
     * Initialise the structure used to access a DLT file.
     * This function must be called before using further dlt_file functions.
     * @param file pointer to structure of organising access to DLT file
     * @param verbose if set to true verbose information is printed out.
     * @return negative value if there was an error
     */
    int dlt_file_init(DltFile *file,int verbose);
    /**
     * Set a list to filters.
     * This function should be called before loading a DLT file, if filters should be used.
     * A filter list is an array of filters. Several filters are combined logically by or operation.
     * The filter list is not copied, so take care to keep list in memory.
     * @param file pointer to structure of organising access to DLT file
     * @param filter pointer to filter list array
     * @param verbose if set to true verbose information is printed out.
     * @return negative value if there was an error
     */
    int dlt_file_set_filter(DltFile *file,DltFilter *filter,int verbose);
    /**
     * Initialising loading a DLT file.
     * @param file pointer to structure of organising access to DLT file
     * @param filename filename of DLT file
     * @param verbose if set to true verbose information is printed out.
     * @return negative value if there was an error
     */
    int dlt_file_open(DltFile *file,const char *filename,int verbose);
    /**
     * Find next message in the DLT file and parse them.
     * This function finds the next message in the DLT file.
     * If a filter is set, the filter list is used.
     * @param file pointer to structure of organising access to DLT file
     * @param verbose if set to true verbose information is printed out.
     * @return 0 = message does not match filter, 1 = message was read, negative value if there was an error
     */
    int dlt_file_read(DltFile *file,int verbose);
    /**
     * Find next message in the DLT file in RAW format (without storage header) and parse them.
     * This function finds the next message in the DLT file.
     * If a filter is set, the filter list is used.
     * @param file pointer to structure of organising access to DLT file
     * @param resync Resync to serial header when set to true
     * @param verbose if set to true verbose information is printed out.
     * @return 0 = message does not match filter, 1 = message was read, negative value if there was an error
     */
    int dlt_file_read_raw(DltFile *file,int resync,int verbose);
    /**
     * Closing loading a DLT file.
     * @param file pointer to structure of organising access to DLT file
     * @param verbose if set to true verbose information is printed out.
     * @return negative value if there was an error
     */
    int dlt_file_close(DltFile *file,int verbose);
    /**
     * Load standard header of a message from file
     * @param file pointer to structure of organising access to DLT file
     * @param verbose if set to true verbose information is printed out.
     * @return negative value if there was an error
     */
    int dlt_file_read_header(DltFile *file,int verbose);
    /**
     * Load standard header of a message from file in RAW format (without storage header)
     * @param file pointer to structure of organising access to DLT file
     * @param resync Resync to serial header when set to true
     * @param verbose if set to true verbose information is printed out.
     * @return negative value if there was an error
     */
    int dlt_file_read_header_raw(DltFile *file,int resync,int verbose);
    /**
     * Load, if available in message, extra standard header fields and
     * extended header of a message from file
     * (dlt_file_read_header() must have been called before this call!)
     * @param file pointer to structure of organising access to DLT file
     * @param verbose if set to true verbose information is printed out.
     * @return negative value if there was an error
     */
    int dlt_file_read_header_extended(DltFile *file, int verbose);
    /**
     * Load payload of a message from file
     * (dlt_file_read_header() must have been called before this call!)
     * @param file pointer to structure of organising access to DLT file
     * @param verbose if set to true verbose information is printed out.
     * @return negative value if there was an error
     */
    int dlt_file_read_data(DltFile *file, int verbose);
    /**
     * Load headers and payload of a message selected by the index.
     * If filters are set, index is based on the filtered list.
     * @param file pointer to structure of organising access to DLT file
     * @param index position of message in the files beginning from zero
     * @param verbose if set to true verbose information is printed out.
     * @return number of messages loaded, negative value if there was an error
     */
    int dlt_file_message(DltFile *file,int index,int verbose);
    /**
     * Free the used memory by the organising structure of file.
     * @param file pointer to structure of organising access to DLT file
     * @param verbose if set to true verbose information is printed out.
     * @return negative value if there was an error
     */
    int dlt_file_free(DltFile *file,int verbose);

    /**
     * Set internal logging filename if mode 2
     * @param filename the filename
     */
    void dlt_log_set_filename(const char *filename);
    /**
     * Set internal logging level
     * @param level the level
     */
    void dlt_log_set_level(int level);
    /**
     * Initialize (external) logging facility
     * @param mode positive, 0 = log to stdout, 1 = log to syslog, 2 = log to file
     */
    void dlt_log_init(int mode);
    /**
     * Log ASCII string with null-termination to (external) logging facility
     * @param prio priority (see syslog() call)
     * @param s Pointer to ASCII string with null-termination
     * @return negative value if there was an error
     */
    int dlt_log(int prio, char *s);
    /**
     * De-Initialize (external) logging facility
     */
    void dlt_log_free(void);

    /**
     * Initialising a dlt receiver structure
     * @param receiver pointer to dlt receiver structure
     * @param _fd handle to file/socket/fifo, fram which the data should be received
     * @param _buffersize size of data buffer for storing the received data
     * @return negative value if there was an error
     */
    int dlt_receiver_init(DltReceiver *receiver,int _fd, int _buffersize);
    /**
     * De-Initialize a dlt receiver structure
     * @param receiver pointer to dlt receiver structure
     * @return negative value if there was an error
     */
    int dlt_receiver_free(DltReceiver *receiver);
    /**
     * Receive data from socket using the dlt receiver structure
     * @param receiver pointer to dlt receiver structure
     * @return negative value if there was an error
     */
    int dlt_receiver_receive_socket(DltReceiver *receiver);
    /**
     * Receive data from file/fifo using the dlt receiver structure
     * @param receiver pointer to dlt receiver structure
     * @return negative value if there was an error
     */
    int dlt_receiver_receive_fd(DltReceiver *receiver);
    /**
     * Remove a specific size of bytes from the received data
     * @param receiver pointer to dlt receiver structure
     * @param size amount of bytes to be removed
     * @return negative value if there was an error
     */
    int dlt_receiver_remove(DltReceiver *receiver,int size);
    /**
     * Move data from last receive call to front of receive buffer
     * @param receiver pointer to dlt receiver structure
     * @return negative value if there was an error
     */
    int dlt_receiver_move_to_begin(DltReceiver *receiver);

    /**
     * Fill out storage header of a dlt message
     * @param storageheader pointer to storage header of a dlt message
     * @param ecu name of ecu to be set in storage header
     * @return negative value if there was an error
     */
    int dlt_set_storageheader(DltStorageHeader *storageheader, const char *ecu);
    /**
     * Check if a storage header contains its marker
     * @param storageheader pointer to storage header of a dlt message
     * @return 0 no, 1 yes, negative value if there was an error
     */
    int dlt_check_storageheader(DltStorageHeader *storageheader);


    /**
     * Initialise static ringbuffer with a size of size.
     * Initialise as server. Init counters. 
     * Memory is already allocated.
     * @param buf Pointer to ringbuffer structure
     * @param ptr Ptr to ringbuffer memory
     * @param size Maximum size of buffer in bytes
     * @return negative value if there was an error
     */
    int dlt_buffer_init_static_server(DltBuffer *buf, const unsigned char *ptr, uint32_t size);

    /**
     * Initialize static ringbuffer with a size of size.
     * Initialise as a client. Do not change counters.
     * Memory is already allocated.
     * @param buf Pointer to ringbuffer structure
     * @param ptr Ptr to ringbuffer memory
     * @param size Maximum size of buffer in bytes
     * @return negative value if there was an error
     */
    int dlt_buffer_init_static_client(DltBuffer *buf, const unsigned char *ptr, uint32_t size);

    /**
     * Initialize dynamic ringbuffer with a size of size.
     * Initialise as a client. Do not change counters.
     * Memory will be allocated starting with min_size.
     * If more memory is needed size is increased wit step_size.
     * The maximum size is max_size.
     * @param buf Pointer to ringbuffer structure
     * @param min_size Minimum size of buffer in bytes
     * @param max_size Maximum size of buffer in bytes
     * @param step_size size of which ringbuffer is increased
     * @return negative value if there was an error
     */
    int dlt_buffer_init_dynamic(DltBuffer *buf, uint32_t min_size, uint32_t max_size,uint32_t step_size);

    /**
     * Deinitilaise usage of static ringbuffer
     * @param buf Pointer to ringbuffer structure
     * @return negative value if there was an error
     */
    int dlt_buffer_free_static(DltBuffer *buf);

    /**
     * Release and free memory used by dynamic ringbuffer
     * @param buf Pointer to ringbuffer structure
     * @return negative value if there was an error
     */
    int dlt_buffer_free_dynamic(DltBuffer *buf);

    /**
     * Write one entry to ringbuffer
     * @param buf Pointer to ringbuffer structure
     * @param data Pointer to data to be written to ringbuffer
     * @param size Size of data in bytes to be written to ringbuffer
     * @return negative value if there was an error
     */
	int dlt_buffer_push(DltBuffer *buf,const unsigned char *data,unsigned int size);

    /**
     * Write up to three entries to ringbuffer.
     * Entries are joined to one block.
     * @param dlt Pointer to ringbuffer structure
     * @param data1 Pointer to data to be written to ringbuffer
     * @param size1 Size of data in bytes to be written to ringbuffer
     * @param data2 Pointer to data to be written to ringbuffer
     * @param size2 Size of data in bytes to be written to ringbuffer
     * @param data3 Pointer to data to be written to ringbuffer
     * @param size3 Size of data in bytes to be written to ringbuffer
     * @return negative value if there was an error
     */
	int dlt_buffer_push3(DltBuffer *buf,const unsigned char *data1,unsigned int size1,const unsigned char *data2,unsigned int size2,const unsigned char *data3,unsigned int size3);

    /**
     * Read one entry from ringbuffer.
     * Remove it from ringbuffer.
     * @param buf Pointer to ringbuffer structure
     * @param data Pointer to data read from ringbuffer
     * @param max_size Max size of read data in bytes from ringbuffer
     * @return size of read data, zero if no data available, negative value if there was an error
     */
	int dlt_buffer_pull(DltBuffer *buf,unsigned char *data, int max_size);

    /**
     * Read one entry from ringbuffer.
     * Do not remove it from ringbuffer.
     * @param buf Pointer to ringbuffer structure
     * @param data Pointer to data read from ringbuffer
     * @param max_size Max size of read data in bytes from ringbuffer
     * @return size of read data, zero if no data available, negative value if there was an error
     */
	int dlt_buffer_copy(DltBuffer *buf,unsigned char *data, int max_size);

    /**
     * Remove entry from ringbuffer.
     * @param buf Pointer to ringbuffer structure
     * @return size of read data, zero if no data available, negative value if there was an error
     */
	int dlt_buffer_remove(DltBuffer *buf);

    /**
     * Print information about buffer and log to internal DLT log.
     * @param buf Pointer to ringbuffer structure
     */
	void dlt_buffer_info(DltBuffer *buf);

    /**
     * Print status of buffer and log to internal DLT log.
     * @param buf Pointer to ringbuffer structure
     */
	void dlt_buffer_status(DltBuffer *buf);

    /**
     * Get total size in bytes of ringbuffer.
     * If buffer is dynamic, max size is returned.
     * @param buf Pointer to ringbuffer structure
     * @return total size of buffer
     */
	int dlt_buffer_get_total_size(DltBuffer *buf);

    /**
     * Get used size in bytes of ringbuffer.
     * @param buf Pointer to ringbuffer structure
     * @return used size of buffer
     */
	int dlt_buffer_get_used_size(DltBuffer *buf);

    /**
     * Get number of entries in ringbuffer.
     * @param buf Pointer to ringbuffer structure
     * @return number of entries
     */
	int dlt_buffer_get_message_count(DltBuffer *buf);

#if !defined (__WIN32__)

    /**
     * Helper function: Setup serial connection
     * @param fd File descriptor of serial tty device
     * @param speed Serial line speed, as defined in termios.h
     * @return negative value if there was an error
     */
    int dlt_setup_serial(int fd, speed_t speed);

    /**
     * Helper function: Convert serial line baudrate (as number) to line speed (as defined in termios.h)
     * @param baudrate Serial line baudrate (as number)
     * @return Serial line speed, as defined in termios.h
     */
    speed_t dlt_convert_serial_speed(int baudrate);

    /**
     * Print dlt version and dlt svn version to buffer
     * @param buf Pointer to buffer
     */
    void dlt_get_version(char *buf);

    /**
    * Print dlt major version to buffer
    * @param buf Pointer to buffer
    */
    void dlt_get_major_version(char *buf);

    /**
    * Print dlt minor version to buffer
    * @param buf Pointer to buffer
    */
    void dlt_get_minor_version(char *buf);

#endif

    /* Function prototypes which should be used only internally */
    /*                                                          */

    /**
     * Common part of initialisation
     * @return negative value if there was an error
     */
    int dlt_init_common(void);

    /**
     * Return the uptime of the system in 0.1 ms resolution
     * @return 0 if there was an error
     */
    uint32_t dlt_uptime(void);

    /**
     * Print header of a DLT message
     * @param message pointer to structure of organising access to DLT messages
     * @param text pointer to a ASCII string, in which the header is written
     * @param size maximal size of text buffer
     * @param verbose if set to true verbose information is printed out.
     * @return negative value if there was an error
     */
    int dlt_message_print_header(DltMessage *message, char *text, uint32_t size, int verbose);

    /**
     * Print payload of a DLT message as Hex-Output
     * @param message pointer to structure of organising access to DLT messages
     * @param text pointer to a ASCII string, in which the output is written
     * @param size maximal size of text buffer
     * @param verbose if set to true verbose information is printed out.
     * @return negative value if there was an error
     */
    int dlt_message_print_hex(DltMessage *message, char *text, uint32_t size, int verbose);

    /**
     * Print payload of a DLT message as ASCII-Output
     * @param message pointer to structure of organising access to DLT messages
     * @param text pointer to a ASCII string, in which the output is written
     * @param size maximal size of text buffer
     * @param verbose if set to true verbose information is printed out.
     * @return negative value if there was an error
     */
    int dlt_message_print_ascii(DltMessage *message, char *text, uint32_t size, int verbose);

    /**
     * Print payload of a DLT message as Mixed-Ouput (Hex and ASCII), for plain text output
     * @param message pointer to structure of organising access to DLT messages
     * @param text pointer to a ASCII string, in which the output is written
     * @param size maximal size of text buffer
     * @param verbose if set to true verbose information is printed out.
     * @return negative value if there was an error
     */
    int dlt_message_print_mixed_plain(DltMessage *message, char *text, uint32_t size, int verbose);

    /**
     * Print payload of a DLT message as Mixed-Ouput (Hex and ASCII), for HTML text output
     * @param message pointer to structure of organising access to DLT messages
     * @param text pointer to a ASCII string, in which the output is written
     * @param size maximal size of text buffer
     * @param verbose if set to true verbose information is printed out.
     * @return negative value if there was an error
     */
    int dlt_message_print_mixed_html(DltMessage *message, char *text, uint32_t size, int verbose);

    /**
     * Decode and print a argument of a DLT message
     * @param msg pointer to structure of organising access to DLT messages
     * @param type_info Type of argument
     * @param ptr pointer to pointer to data (pointer to data is changed within this function)
     * @param datalength pointer to datalength (datalength is changed within this function)
     * @param text pointer to a ASCII string, in which the output is written
     * @param textlength maximal size of text buffer
     * @param byteLength If argument is a string, and this value is 0 or greater, this value will be taken as string length
     * @param verbose if set to true verbose information is printed out.
     * @return negative value if there was an error
     */
    int dlt_message_argument_print(DltMessage *msg,uint32_t type_info,uint8_t **ptr,int32_t *datalength,char *text,int textlength,int byteLength,int verbose);

#ifdef __cplusplus
}
#endif

/**
  \}
*/

#endif /* DLT_COMMON_H */