drivers/ata/pata_ali.c: s/isa_bridge/ali_isa_bridge/ to fix alpha build
[linux-2.6] / drivers / staging / epl / EplObdu.c
1 /****************************************************************************
2
3   (c) SYSTEC electronic GmbH, D-07973 Greiz, August-Bebel-Str. 29
4       www.systec-electronic.com
5
6   Project:      openPOWERLINK
7
8   Description:  source file for Epl-Obd-Userspace-module
9
10   License:
11
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39     POSSIBILITY OF SUCH DAMAGE.
40
41     Severability Clause:
42
43         If a provision of this License is or becomes illegal, invalid or
44         unenforceable in any jurisdiction, that shall not affect:
45         1. the validity or enforceability in that jurisdiction of any other
46            provision of this License; or
47         2. the validity or enforceability in other jurisdictions of that or
48            any other provision of this License.
49
50   -------------------------------------------------------------------------
51
52                 $RCSfile: EplObdu.c,v $
53
54                 $Author: D.Krueger $
55
56                 $Revision: 1.5 $  $Date: 2008/10/17 15:32:32 $
57
58                 $State: Exp $
59
60                 Build Environment:
61                     GCC V3.4
62
63   -------------------------------------------------------------------------
64
65   Revision History:
66
67   2006/06/19 k.t.:   start of the implementation
68
69 ****************************************************************************/
70
71 #include "EplInc.h"
72 #include "user/EplObdu.h"
73 #include "user/EplObduCal.h"
74
75 #if (((EPL_MODULE_INTEGRATION) & (EPL_MODULE_OBDU)) != 0)
76 /***************************************************************************/
77 /*                                                                         */
78 /*                                                                         */
79 /*          G L O B A L   D E F I N I T I O N S                            */
80 /*                                                                         */
81 /*                                                                         */
82 /***************************************************************************/
83
84 //---------------------------------------------------------------------------
85 // const defines
86 //---------------------------------------------------------------------------
87
88 //---------------------------------------------------------------------------
89 // local types
90 //---------------------------------------------------------------------------
91
92 //---------------------------------------------------------------------------
93 // modul globale vars
94 //---------------------------------------------------------------------------
95
96 //---------------------------------------------------------------------------
97 // local function prototypes
98 //---------------------------------------------------------------------------
99
100 //=========================================================================//
101 //                                                                         //
102 //          P U B L I C   F U N C T I O N S                                //
103 //                                                                         //
104 //=========================================================================//
105
106 //---------------------------------------------------------------------------
107 //
108 // Function:    EplObduWriteEntry()
109 //
110 // Description: Function writes data to an OBD entry. Strings
111 //              are stored with added '\0' character.
112 //
113 // Parameters:  uiIndex_p       =   Index of the OD entry
114 //              uiSubIndex_p    =   Subindex of the OD Entry
115 //              pSrcData_p      =   Pointer to the data to write
116 //              Size_p          =   Size of the data in Byte
117 //
118 // Return:      tEplKernel      =   Errorcode
119 //
120 //
121 // State:
122 //
123 //---------------------------------------------------------------------------
124 EPLDLLEXPORT tEplKernel PUBLIC EplObduWriteEntry(unsigned int uiIndex_p,
125                                                  unsigned int uiSubIndex_p,
126                                                  void *pSrcData_p,
127                                                  tEplObdSize Size_p)
128 {
129         tEplKernel Ret;
130
131         Ret = EplObduCalWriteEntry(uiIndex_p, uiSubIndex_p, pSrcData_p, Size_p);
132
133         return Ret;
134 }
135
136 //---------------------------------------------------------------------------
137 //
138 // Function:    EplObduReadEntry()
139 //
140 // Description: The function reads an object entry. The application
141 //              can always read the data even if attrib kEplObdAccRead
142 //              is not set. The attrib is only checked up for SDO transfer.
143 //
144 // Parameters:  uiIndex_p       = Index oof the OD entry to read
145 //              uiSubIndex_p    = Subindex to read
146 //              pDstData_p      = pointer to the buffer for data
147 //              Offset_p        = offset in data for read access
148 //              pSize_p         = IN: Size of the buffer
149 //                                OUT: number of readed Bytes
150 //
151 // Return:      tEplKernel      =   errorcode
152 //
153 // State:
154 //
155 //---------------------------------------------------------------------------
156 EPLDLLEXPORT tEplKernel PUBLIC EplObduReadEntry(unsigned int uiIndex_p,
157                                                 unsigned int uiSubIndex_p,
158                                                 void *pDstData_p,
159                                                 tEplObdSize * pSize_p)
160 {
161         tEplKernel Ret;
162
163         Ret = EplObduCalReadEntry(uiIndex_p, uiSubIndex_p, pDstData_p, pSize_p);
164
165         return Ret;
166 }
167
168 //---------------------------------------------------------------------------
169 //
170 // Function:    EplObdAccessOdPart()
171 //
172 // Description: restores default values of one part of OD
173 //
174 // Parameters:  ObdPart_p       = od-part to reset
175 //              Direction_p     = directory flag for
176 //
177 // Return:      tEplKernel  = errorcode
178 //
179 // State:
180 //
181 //---------------------------------------------------------------------------
182 EPLDLLEXPORT tEplKernel PUBLIC EplObduAccessOdPart(tEplObdPart ObdPart_p,
183                                                    tEplObdDir Direction_p)
184 {
185         tEplKernel Ret;
186
187         Ret = EplObduCalAccessOdPart(ObdPart_p, Direction_p);
188
189         return Ret;
190 }
191
192 //---------------------------------------------------------------------------
193 //
194 // Function:    EplObduDefineVar()
195 //
196 // Description: defines a variable in OD
197 //
198 // Parameters:  pEplVarParam_p = varentry
199 //
200 // Return:      tEplKernel  =   errorcode
201 //
202 // State:
203 //
204 //---------------------------------------------------------------------------
205 EPLDLLEXPORT tEplKernel PUBLIC EplObduDefineVar(tEplVarParam MEM * pVarParam_p)
206 {
207         tEplKernel Ret;
208
209         Ret = EplObduCalDefineVar(pVarParam_p);
210
211         return Ret;
212 }
213
214 //---------------------------------------------------------------------------
215 //
216 // Function:    EplObduGetObjectDataPtr()
217 //
218 // Description: It returnes the current data pointer. But if object is an
219 //              constant object it returnes the default pointer.
220 //
221 // Parameters:  uiIndex_p    =   Index of the entry
222 //              uiSubindex_p =   Subindex of the entry
223 //
224 // Return:      void *    = pointer to object data
225 //
226 // State:
227 //
228 //---------------------------------------------------------------------------
229 EPLDLLEXPORT void *PUBLIC EplObduGetObjectDataPtr(unsigned int uiIndex_p,
230                                                   unsigned int uiSubIndex_p)
231 {
232         void *pData;
233
234         pData = EplObduCalGetObjectDataPtr(uiIndex_p, uiSubIndex_p);
235
236         return pData;
237 }
238
239 //---------------------------------------------------------------------------
240 //
241 // Function:    EplObduRegisterUserOd()
242 //
243 // Description: function registers the user OD
244 //
245 // Parameters:  pUserOd_p   =pointer to user ODd
246 //
247 // Return:     tEplKernel = errorcode
248 //
249 // State:
250 //
251 //---------------------------------------------------------------------------
252 #if (defined (EPL_OBD_USER_OD) && (EPL_OBD_USER_OD != FALSE))
253 EPLDLLEXPORT tEplKernel PUBLIC EplObduRegisterUserOd(tEplObdEntryPtr pUserOd_p)
254 {
255         tEplKernel Ret;
256
257         Ret = EplObduCalRegisterUserOd(pUserOd_p);
258
259         return Ret;
260
261 }
262 #endif
263 //---------------------------------------------------------------------------
264 //
265 // Function:    EplObduInitVarEntry()
266 //
267 // Description: function to initialize VarEntry dependened on object type
268 //
269 // Parameters:  pVarEntry_p = pointer to var entry structure
270 //              bType_p     = object type
271 //              ObdSize_p   = size of object data
272 //
273 // Returns:     none
274 //
275 // State:
276 //
277 //---------------------------------------------------------------------------
278 EPLDLLEXPORT void PUBLIC EplObduInitVarEntry(tEplObdVarEntry MEM * pVarEntry_p,
279                                              BYTE bType_p,
280                                              tEplObdSize ObdSize_p)
281 {
282         EplObduCalInitVarEntry(pVarEntry_p, bType_p, ObdSize_p);
283 }
284
285 //---------------------------------------------------------------------------
286 //
287 // Function:    EplObduGetDataSize()
288 //
289 // Description: function to initialize VarEntry dependened on object type
290 //
291 //              gets the data size of an object
292 //              for string objects it returnes the string length
293 //
294 // Parameters:  uiIndex_p   =   Index
295 //              uiSubIndex_p=   Subindex
296 //
297 // Return:      tEplObdSize
298 //
299 // State:
300 //
301 //---------------------------------------------------------------------------
302 EPLDLLEXPORT tEplObdSize PUBLIC EplObduGetDataSize(unsigned int uiIndex_p,
303                                                    unsigned int uiSubIndex_p)
304 {
305         tEplObdSize Size;
306
307         Size = EplObduCalGetDataSize(uiIndex_p, uiSubIndex_p);
308
309         return Size;
310 }
311
312 //---------------------------------------------------------------------------
313 //
314 // Function:    EplObduGetNodeId()
315 //
316 // Description: function returns nodeid from entry 0x1F93
317 //
318 //
319 // Parameters:
320 //
321 // Return:      unsigned int = Node Id
322 //
323 // State:
324 //
325 //---------------------------------------------------------------------------
326 EPLDLLEXPORT unsigned int PUBLIC EplObduGetNodeId()
327 {
328         unsigned int uiNodeId;
329
330         uiNodeId = EplObduCalGetNodeId();
331
332         return uiNodeId;
333 }
334
335 //---------------------------------------------------------------------------
336 //
337 // Function:    EplObduSetNodeId()
338 //
339 // Description: function sets nodeid in entry 0x1F93
340 //
341 //
342 // Parameters:  uiNodeId_p  =   Node Id to set
343 //              NodeIdType_p=   Type on which way the Node Id was set
344 //
345 // Return:      tEplKernel = Errorcode
346 //
347 // State:
348 //
349 //---------------------------------------------------------------------------
350 EPLDLLEXPORT tEplKernel PUBLIC EplObduSetNodeId(unsigned int uiNodeId_p,
351                                                 tEplObdNodeIdType NodeIdType_p)
352 {
353         tEplKernel Ret;
354
355         Ret = EplObduCalSetNodeId(uiNodeId_p, NodeIdType_p);
356
357         return Ret;
358 }
359
360 //---------------------------------------------------------------------------
361 //
362 // Function:    EplObduGetAccessType()
363 //
364 // Description: Function returns accesstype of the entry
365 //
366 // Parameters:  uiIndex_p       =   Index of the OD entry
367 //              uiSubIndex_p    =   Subindex of the OD Entry
368 //              pAccessTyp_p    =   pointer to buffer to store accesstyp
369 //
370 // Return:      tEplKernel      =   Errorcode
371 //
372 //
373 // State:
374 //
375 //---------------------------------------------------------------------------
376 EPLDLLEXPORT tEplKernel PUBLIC EplObduGetAccessType(unsigned int uiIndex_p,
377                                                     unsigned int uiSubIndex_p,
378                                                     tEplObdAccess *
379                                                     pAccessTyp_p)
380 {
381         tEplObdAccess AccessType;
382
383         AccessType =
384             EplObduCalGetAccessType(uiIndex_p, uiSubIndex_p, pAccessTyp_p);
385
386         return AccessType;
387 }
388
389 //---------------------------------------------------------------------------
390 //
391 // Function:    EplObdReaduEntryToLe()
392 //
393 // Description: The function reads an object entry from the byteoder
394 //              of the system to the little endian byteorder for numeric values.
395 //              For other types a normal read will be processed. This is usefull for
396 //              the PDO and SDO module. The application
397 //              can always read the data even if attrib kEplObdAccRead
398 //              is not set. The attrib is only checked up for SDO transfer.
399 //
400 // Parameters:  EPL_MCO_DECL_INSTANCE_PTR_
401 //              uiIndex_p       = Index of the OD entry to read
402 //              uiSubIndex_p    = Subindex to read
403 //              pDstData_p      = pointer to the buffer for data
404 //              Offset_p        = offset in data for read access
405 //              pSize_p         = IN: Size of the buffer
406 //                                OUT: number of readed Bytes
407 //
408 // Return:      tEplKernel
409 //
410 // State:
411 //
412 //---------------------------------------------------------------------------
413 EPLDLLEXPORT tEplKernel PUBLIC EplObduReadEntryToLe(unsigned int uiIndex_p,
414                                                     unsigned int uiSubIndex_p,
415                                                     void *pDstData_p,
416                                                     tEplObdSize * pSize_p)
417 {
418         tEplKernel Ret;
419
420         Ret =
421             EplObduCalReadEntryToLe(uiIndex_p, uiSubIndex_p, pDstData_p,
422                                     pSize_p);
423
424         return Ret;
425 }
426
427 //---------------------------------------------------------------------------
428 //
429 // Function:    EplObduWriteEntryFromLe()
430 //
431 // Description: Function writes data to an OBD entry from a source with
432 //              little endian byteorder to the od with system specuific
433 //              byteorder. Not numeric values will only by copied. Strings
434 //              are stored with added '\0' character.
435 //
436 // Parameters:  EPL_MCO_DECL_INSTANCE_PTR_
437 //              uiIndex_p       =   Index of the OD entry
438 //              uiSubIndex_p    =   Subindex of the OD Entry
439 //              pSrcData_p      =   Pointer to the data to write
440 //              Size_p          =   Size of the data in Byte
441 //
442 // Return:      tEplKernel      =   Errorcode
443 //
444 //
445 // State:
446 //
447 //---------------------------------------------------------------------------
448 EPLDLLEXPORT tEplKernel PUBLIC EplObduWriteEntryFromLe(unsigned int uiIndex_p,
449                                                        unsigned int
450                                                        uiSubIndex_p,
451                                                        void *pSrcData_p,
452                                                        tEplObdSize Size_p)
453 {
454         tEplKernel Ret;
455
456         Ret =
457             EplObduCalWriteEntryFromLe(uiIndex_p, uiSubIndex_p, pSrcData_p,
458                                        Size_p);
459
460         return Ret;
461 }
462
463 //---------------------------------------------------------------------------
464 //
465 // Function:    EplObduSearchVarEntry()
466 //
467 // Description: gets variable from OD
468 //
469 // Parameters:  uiIndex_p       =   index of the var entry to search
470 //              uiSubindex_p    =   subindex of var entry to search
471 //              ppVarEntry_p    =   pointer to the pointer to the varentry
472 //
473 // Return:      tEplKernel
474 //
475 // State:
476 //
477 //---------------------------------------------------------------------------
478 EPLDLLEXPORT tEplKernel PUBLIC EplObduSearchVarEntry(EPL_MCO_DECL_INSTANCE_PTR_
479                                                      unsigned int uiIndex_p,
480                                                      unsigned int uiSubindex_p,
481                                                      tEplObdVarEntry MEM **
482                                                      ppVarEntry_p)
483 {
484         tEplKernel Ret;
485
486         Ret = EplObduCalSearchVarEntry(uiIndex_p, uiSubindex_p, ppVarEntry_p);
487
488         return Ret;
489 }
490
491 //=========================================================================//
492 //                                                                         //
493 //          P R I V A T E   F U N C T I O N S                              //
494 //                                                                         //
495 //=========================================================================//
496
497 //---------------------------------------------------------------------------
498 //
499 // Function:
500 //
501 // Description:
502 //
503 //
504 //
505 // Parameters:
506 //
507 //
508 // Returns:
509 //
510 //
511 // State:
512 //
513 //---------------------------------------------------------------------------
514
515 #endif // #if(((EPL_MODULE_INTEGRATION) & (EPL_MODULE_OBDU)) != 0)
516
517 // EOF