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
|
/****************************************************************************
(c) SYSTEC electronic GmbH, D-07973 Greiz, August-Bebel-Str. 29
www.systec-electronic.com
Project: openPOWERLINK
Description: source file for DLL Communication Abstraction Layer module in EPL user part
License:
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
3. Neither the name of SYSTEC electronic GmbH nor the names of its
contributors may be used to endorse or promote products derived
from this software without prior written permission. For written
permission, please contact info@systec-electronic.com.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
Severability Clause:
If a provision of this License is or becomes illegal, invalid or
unenforceable in any jurisdiction, that shall not affect:
1. the validity or enforceability in that jurisdiction of any other
provision of this License; or
2. the validity or enforceability in other jurisdictions of that or
any other provision of this License.
-------------------------------------------------------------------------
$RCSfile: EplDlluCal.c,v $
$Author: D.Krueger $
$Revision: 1.7 $ $Date: 2008/10/17 15:32:32 $
$State: Exp $
Build Environment:
GCC V3.4
-------------------------------------------------------------------------
Revision History:
2006/06/20 d.k.: start of the implementation, version 1.00
****************************************************************************/
#include "user/EplDlluCal.h"
#include "user/EplEventu.h"
#include "EplDllCal.h"
// include only if direct call between user- and kernelspace is enabled
#if(((EPL_MODULE_INTEGRATION) & (EPL_MODULE_DLLK)) != 0)
#include "kernel/EplDllkCal.h"
#endif
#if(((EPL_MODULE_INTEGRATION) & (EPL_MODULE_DLLU)) != 0)
/***************************************************************************/
/* */
/* */
/* G L O B A L D E F I N I T I O N S */
/* */
/* */
/***************************************************************************/
//---------------------------------------------------------------------------
// const defines
//---------------------------------------------------------------------------
//---------------------------------------------------------------------------
// local types
//---------------------------------------------------------------------------
//---------------------------------------------------------------------------
// modul globale vars
//---------------------------------------------------------------------------
//---------------------------------------------------------------------------
// local function prototypes
//---------------------------------------------------------------------------
/***************************************************************************/
/* */
/* */
/* C L A S S EplDlluCal */
/* */
/* */
/***************************************************************************/
//
// Description:
//
//
/***************************************************************************/
//=========================================================================//
// //
// P R I V A T E D E F I N I T I O N S //
// //
//=========================================================================//
//---------------------------------------------------------------------------
// const defines
//---------------------------------------------------------------------------
//---------------------------------------------------------------------------
// local types
//---------------------------------------------------------------------------
typedef struct {
tEplDlluCbAsnd m_apfnDlluCbAsnd[EPL_DLL_MAX_ASND_SERVICE_ID];
} tEplDlluCalInstance;
//---------------------------------------------------------------------------
// local vars
//---------------------------------------------------------------------------
// if no dynamic memory allocation shall be used
// define structures statically
static tEplDlluCalInstance EplDlluCalInstance_g;
//---------------------------------------------------------------------------
// local function prototypes
//---------------------------------------------------------------------------
static tEplKernel EplDlluCalSetAsndServiceIdFilter(tEplDllAsndServiceId
ServiceId_p,
tEplDllAsndFilter Filter_p);
//=========================================================================//
// //
// P U B L I C F U N C T I O N S //
// //
//=========================================================================//
//---------------------------------------------------------------------------
//
// Function: EplDlluCalAddInstance()
//
// Description: add and initialize new instance of DLL CAL module
//
// Parameters: none
//
// Returns: tEplKernel = error code
//
//
// State:
//
//---------------------------------------------------------------------------
tEplKernel EplDlluCalAddInstance()
{
tEplKernel Ret = kEplSuccessful;
// reset instance structure
EPL_MEMSET(&EplDlluCalInstance_g, 0, sizeof(EplDlluCalInstance_g));
return Ret;
}
//---------------------------------------------------------------------------
//
// Function: EplDlluCalDelInstance()
//
// Description: deletes an instance of DLL CAL module
//
// Parameters: none
//
// Returns: tEplKernel = error code
//
//
// State:
//
//---------------------------------------------------------------------------
tEplKernel EplDlluCalDelInstance()
{
tEplKernel Ret = kEplSuccessful;
// reset instance structure
EPL_MEMSET(&EplDlluCalInstance_g, 0, sizeof(EplDlluCalInstance_g));
return Ret;
}
//---------------------------------------------------------------------------
//
// Function: EplDlluCalProcess
//
// Description: process the passed asynch frame
//
// Parameters: pEvent_p = event containing frame to be processed
//
// Returns: tEplKernel = error code
//
//
// State:
//
//---------------------------------------------------------------------------
tEplKernel EplDlluCalProcess(tEplEvent * pEvent_p)
{
tEplKernel Ret = kEplSuccessful;
tEplMsgType MsgType;
unsigned int uiAsndServiceId;
tEplFrameInfo FrameInfo;
if (pEvent_p->m_EventType == kEplEventTypeAsndRx) {
FrameInfo.m_pFrame = (tEplFrame *) pEvent_p->m_pArg;
FrameInfo.m_uiFrameSize = pEvent_p->m_uiSize;
// extract NetTime
FrameInfo.m_NetTime = pEvent_p->m_NetTime;
MsgType =
(tEplMsgType) AmiGetByteFromLe(&FrameInfo.m_pFrame->
m_le_bMessageType);
if (MsgType != kEplMsgTypeAsnd) {
Ret = kEplInvalidOperation;
goto Exit;
}
uiAsndServiceId =
(unsigned int)AmiGetByteFromLe(&FrameInfo.m_pFrame->m_Data.
m_Asnd.m_le_bServiceId);
if (uiAsndServiceId < EPL_DLL_MAX_ASND_SERVICE_ID) { // ASnd service ID is valid
if (EplDlluCalInstance_g.m_apfnDlluCbAsnd[uiAsndServiceId] != NULL) { // handler was registered
Ret =
EplDlluCalInstance_g.
m_apfnDlluCbAsnd[uiAsndServiceId]
(&FrameInfo);
}
}
}
Exit:
return Ret;
}
//---------------------------------------------------------------------------
//
// Function: EplDlluCalRegAsndService()
//
// Description: registers the specified handler for the specified
// AsndServiceId with the specified node ID filter.
//
// Parameters: ServiceId_p = ASnd Service ID
// pfnDlluCbAsnd_p = callback function
// Filter_p = node ID filter
//
// Returns: tEplKernel = error code
//
//
// State:
//
//---------------------------------------------------------------------------
tEplKernel EplDlluCalRegAsndService(tEplDllAsndServiceId ServiceId_p,
tEplDlluCbAsnd pfnDlluCbAsnd_p,
tEplDllAsndFilter Filter_p)
{
tEplKernel Ret = kEplSuccessful;
if (ServiceId_p < tabentries(EplDlluCalInstance_g.m_apfnDlluCbAsnd)) {
// memorize function pointer
EplDlluCalInstance_g.m_apfnDlluCbAsnd[ServiceId_p] =
pfnDlluCbAsnd_p;
if (pfnDlluCbAsnd_p == NULL) { // close filter
Filter_p = kEplDllAsndFilterNone;
}
// set filter in DLL module in kernel part
Ret = EplDlluCalSetAsndServiceIdFilter(ServiceId_p, Filter_p);
}
return Ret;
}
//---------------------------------------------------------------------------
//
// Function: EplDlluCalAsyncSend()
//
// Description: sends the frame with the specified priority.
//
// Parameters: pFrameInfo_p = frame
// m_uiFrameSize does not include the
// ethernet header (14 bytes)
// Priority_p = priority
//
// Returns: tEplKernel = error code
//
//
// State:
//
//---------------------------------------------------------------------------
tEplKernel EplDlluCalAsyncSend(tEplFrameInfo * pFrameInfo_p,
tEplDllAsyncReqPriority Priority_p)
{
tEplKernel Ret = kEplSuccessful;
#if(((EPL_MODULE_INTEGRATION) & (EPL_MODULE_DLLK)) != 0)
pFrameInfo_p->m_uiFrameSize += 14; // add size of ethernet header
Ret = EplDllkCalAsyncSend(pFrameInfo_p, Priority_p);
#else
Ret = kEplSuccessful;
#endif
return Ret;
}
#if(((EPL_MODULE_INTEGRATION) & (EPL_MODULE_NMT_MN)) != 0)
//---------------------------------------------------------------------------
//
// Function: EplDlluCalIssueRequest()
//
// Description: issues a StatusRequest or a IdentRequest to the specified node.
//
// Parameters: Service_p = request service ID
// uiNodeId_p = node ID
// bSoaFlag1_p = flag1 for this node (transmit in SoA and PReq)
// If 0xFF this flag is ignored.
//
// Returns: tEplKernel = error code
//
//
// State:
//
//---------------------------------------------------------------------------
tEplKernel EplDlluCalIssueRequest(tEplDllReqServiceId Service_p,
unsigned int uiNodeId_p, BYTE bSoaFlag1_p)
{
tEplKernel Ret = kEplSuccessful;
// add node to appropriate request queue
switch (Service_p) {
case kEplDllReqServiceIdent:
case kEplDllReqServiceStatus:
{
tEplEvent Event;
tEplDllCalIssueRequest IssueReq;
Event.m_EventSink = kEplEventSinkDllkCal;
Event.m_EventType = kEplEventTypeDllkIssueReq;
IssueReq.m_Service = Service_p;
IssueReq.m_uiNodeId = uiNodeId_p;
IssueReq.m_bSoaFlag1 = bSoaFlag1_p;
Event.m_pArg = &IssueReq;
Event.m_uiSize = sizeof(IssueReq);
Ret = EplEventuPost(&Event);
break;
}
default:
{
Ret = kEplDllInvalidParam;
goto Exit;
}
}
Exit:
return Ret;
}
//---------------------------------------------------------------------------
//
// Function: EplDlluCalAddNode()
//
// Description: adds the specified node to the isochronous phase.
//
// Parameters: pNodeInfo_p = pointer of node info structure
//
// Returns: tEplKernel = error code
//
//
// State:
//
//---------------------------------------------------------------------------
tEplKernel EplDlluCalAddNode(tEplDllNodeInfo * pNodeInfo_p)
{
tEplKernel Ret = kEplSuccessful;
tEplEvent Event;
Event.m_EventSink = kEplEventSinkDllkCal;
Event.m_EventType = kEplEventTypeDllkAddNode;
Event.m_pArg = pNodeInfo_p;
Event.m_uiSize = sizeof(tEplDllNodeInfo);
Ret = EplEventuPost(&Event);
return Ret;
}
//---------------------------------------------------------------------------
//
// Function: EplDlluCalDeleteNode()
//
// Description: removes the specified node from the isochronous phase.
//
// Parameters: uiNodeId_p = node ID
//
// Returns: tEplKernel = error code
//
//
// State:
//
//---------------------------------------------------------------------------
tEplKernel EplDlluCalDeleteNode(unsigned int uiNodeId_p)
{
tEplKernel Ret = kEplSuccessful;
tEplEvent Event;
Event.m_EventSink = kEplEventSinkDllkCal;
Event.m_EventType = kEplEventTypeDllkDelNode;
Event.m_pArg = &uiNodeId_p;
Event.m_uiSize = sizeof(uiNodeId_p);
Ret = EplEventuPost(&Event);
return Ret;
}
//---------------------------------------------------------------------------
//
// Function: EplDlluCalSoftDeleteNode()
//
// Description: removes the specified node softly from the isochronous phase.
//
// Parameters: uiNodeId_p = node ID
//
// Returns: tEplKernel = error code
//
//
// State:
//
//---------------------------------------------------------------------------
tEplKernel EplDlluCalSoftDeleteNode(unsigned int uiNodeId_p)
{
tEplKernel Ret = kEplSuccessful;
tEplEvent Event;
Event.m_EventSink = kEplEventSinkDllkCal;
Event.m_EventType = kEplEventTypeDllkSoftDelNode;
Event.m_pArg = &uiNodeId_p;
Event.m_uiSize = sizeof(uiNodeId_p);
Ret = EplEventuPost(&Event);
return Ret;
}
#endif // (((EPL_MODULE_INTEGRATION) & (EPL_MODULE_NMT_MN)) != 0)
//=========================================================================//
// //
// P R I V A T E F U N C T I O N S //
// //
//=========================================================================//
//---------------------------------------------------------------------------
//
// Function: EplDlluCalSetAsndServiceIdFilter()
//
// Description: forwards call to EplDllkSetAsndServiceIdFilter() in kernel part
//
// Parameters: ServiceId_p = ASnd Service ID
// Filter_p = node ID filter
//
// Returns: tEplKernel = error code
//
//
// State:
//
//---------------------------------------------------------------------------
static tEplKernel EplDlluCalSetAsndServiceIdFilter(tEplDllAsndServiceId
ServiceId_p,
tEplDllAsndFilter Filter_p)
{
tEplKernel Ret = kEplSuccessful;
tEplEvent Event;
tEplDllCalAsndServiceIdFilter ServFilter;
Event.m_EventSink = kEplEventSinkDllkCal;
Event.m_EventType = kEplEventTypeDllkServFilter;
ServFilter.m_ServiceId = ServiceId_p;
ServFilter.m_Filter = Filter_p;
Event.m_pArg = &ServFilter;
Event.m_uiSize = sizeof(ServFilter);
Ret = EplEventuPost(&Event);
return Ret;
}
#endif // (((EPL_MODULE_INTEGRATION) & (EPL_MODULE_DLLU)) != 0)
// EOF
|
