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
|
/****************************************************************************
(c) SYSTEC electronic GmbH, D-07973 Greiz, August-Bebel-Str. 29
www.systec-electronic.com
Project: openPOWERLINK
Description: source file for Statusu-Module
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: EplStatusu.c,v $
$Author: D.Krueger $
$Revision: 1.5 $ $Date: 2008/10/17 15:32:32 $
$State: Exp $
Build Environment:
GCC V3.4
-------------------------------------------------------------------------
Revision History:
2006/11/15 d.k.: start of the implementation
****************************************************************************/
#include "user/EplStatusu.h"
#include "user/EplDlluCal.h"
/***************************************************************************/
/* */
/* */
/* 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 <xxxxx> */
/* */
/* */
/***************************************************************************/
//
// 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 {
tEplStatusuCbResponse m_apfnCbResponse[254];
} tEplStatusuInstance;
//---------------------------------------------------------------------------
// local vars
//---------------------------------------------------------------------------
static tEplStatusuInstance EplStatusuInstance_g;
//---------------------------------------------------------------------------
// local function prototypes
//---------------------------------------------------------------------------
static tEplKernel PUBLIC EplStatusuCbStatusResponse(tEplFrameInfo *
pFrameInfo_p);
//=========================================================================//
// //
// P U B L I C F U N C T I O N S //
// //
//=========================================================================//
//---------------------------------------------------------------------------
//
// Function: EplStatusuInit
//
// Description: init first instance of the module
//
//
//
// Parameters:
//
//
// Returns: tEplKernel = errorcode
//
//
// State:
//
//---------------------------------------------------------------------------
EPLDLLEXPORT tEplKernel PUBLIC EplStatusuInit()
{
tEplKernel Ret;
Ret = EplStatusuAddInstance();
return Ret;
}
//---------------------------------------------------------------------------
//
// Function: EplStatusuAddInstance
//
// Description: init other instances of the module
//
//
//
// Parameters:
//
//
// Returns: tEplKernel = errorcode
//
//
// State:
//
//---------------------------------------------------------------------------
EPLDLLEXPORT tEplKernel PUBLIC EplStatusuAddInstance()
{
tEplKernel Ret;
Ret = kEplSuccessful;
// reset instance structure
EPL_MEMSET(&EplStatusuInstance_g, 0, sizeof(EplStatusuInstance_g));
// register StatusResponse callback function
Ret =
EplDlluCalRegAsndService(kEplDllAsndStatusResponse,
EplStatusuCbStatusResponse,
kEplDllAsndFilterAny);
return Ret;
}
//---------------------------------------------------------------------------
//
// Function: EplStatusuDelInstance
//
// Description: delete instance
//
//
//
// Parameters:
//
//
// Returns: tEplKernel = errorcode
//
//
// State:
//
//---------------------------------------------------------------------------
EPLDLLEXPORT tEplKernel PUBLIC EplStatusuDelInstance()
{
tEplKernel Ret;
Ret = kEplSuccessful;
// deregister StatusResponse callback function
Ret =
EplDlluCalRegAsndService(kEplDllAsndStatusResponse, NULL,
kEplDllAsndFilterNone);
return Ret;
}
//---------------------------------------------------------------------------
//
// Function: EplStatusuReset
//
// Description: resets this instance
//
// Parameters:
//
// Returns: tEplKernel = errorcode
//
//
// State:
//
//---------------------------------------------------------------------------
EPLDLLEXPORT tEplKernel PUBLIC EplStatusuReset()
{
tEplKernel Ret;
Ret = kEplSuccessful;
// reset instance structure
EPL_MEMSET(&EplStatusuInstance_g, 0, sizeof(EplStatusuInstance_g));
return Ret;
}
//---------------------------------------------------------------------------
//
// Function: EplStatusuRequestStatusResponse
//
// Description: returns the StatusResponse for the specified node.
//
// Parameters: uiNodeId_p = IN: node ID
// pfnCbResponse_p = IN: function pointer to callback function
// which will be called if StatusResponse is received
//
// Return: tEplKernel = error code
//
// State: not tested
//
//---------------------------------------------------------------------------
tEplKernel PUBLIC EplStatusuRequestStatusResponse(unsigned int uiNodeId_p,
tEplStatusuCbResponse
pfnCbResponse_p)
{
tEplKernel Ret;
Ret = kEplSuccessful;
// decrement node ID, because array is zero based
uiNodeId_p--;
if (uiNodeId_p < tabentries(EplStatusuInstance_g.m_apfnCbResponse)) {
#if(((EPL_MODULE_INTEGRATION) & (EPL_MODULE_NMT_MN)) != 0)
if (EplStatusuInstance_g.m_apfnCbResponse[uiNodeId_p] != NULL) { // request already issued (maybe by someone else)
Ret = kEplInvalidOperation;
} else {
EplStatusuInstance_g.m_apfnCbResponse[uiNodeId_p] =
pfnCbResponse_p;
Ret =
EplDlluCalIssueRequest(kEplDllReqServiceStatus,
(uiNodeId_p + 1), 0xFF);
}
#else
Ret = kEplInvalidOperation;
#endif
} else { // invalid node ID specified
Ret = kEplInvalidNodeId;
}
return Ret;
}
//=========================================================================//
// //
// P R I V A T E F U N C T I O N S //
// //
//=========================================================================//
//---------------------------------------------------------------------------
//
// Function: EplStatusuCbStatusResponse
//
// Description: callback funktion for StatusResponse
//
//
//
// Parameters: pFrameInfo_p = Frame with the StatusResponse
//
//
// Returns: tEplKernel = error code
//
//
// State:
//
//---------------------------------------------------------------------------
static tEplKernel PUBLIC EplStatusuCbStatusResponse(tEplFrameInfo *
pFrameInfo_p)
{
tEplKernel Ret = kEplSuccessful;
unsigned int uiNodeId;
unsigned int uiIndex;
tEplStatusuCbResponse pfnCbResponse;
uiNodeId = AmiGetByteFromLe(&pFrameInfo_p->m_pFrame->m_le_bSrcNodeId);
uiIndex = uiNodeId - 1;
if (uiIndex < tabentries(EplStatusuInstance_g.m_apfnCbResponse)) {
// memorize pointer to callback function
pfnCbResponse = EplStatusuInstance_g.m_apfnCbResponse[uiIndex];
if (pfnCbResponse == NULL) { // response was not requested
goto Exit;
}
// reset callback function pointer so that caller may issue next request
EplStatusuInstance_g.m_apfnCbResponse[uiIndex] = NULL;
if (pFrameInfo_p->m_uiFrameSize < EPL_C_DLL_MINSIZE_STATUSRES) { // StatusResponse not received or it has invalid size
Ret = pfnCbResponse(uiNodeId, NULL);
} else { // StatusResponse received
Ret =
pfnCbResponse(uiNodeId,
&pFrameInfo_p->m_pFrame->m_Data.
m_Asnd.m_Payload.m_StatusResponse);
}
}
Exit:
return Ret;
}
// EOF
|
