drivers/staging/epl/EplEventu.c

   1 /****************************************************************************
   2
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   4       www.systec-electronic.com
   5
   6   Project:      openPOWERLINK
   7
   8   Description:  source file for Epl-Userspace-Event-Modul
   9
  10   License:
  11
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  21        documentation and/or other materials provided with the distribution.
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  23     3. Neither the name of SYSTEC electronic GmbH nor the names of its
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  30     LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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  38     ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  39     POSSIBILITY OF SUCH DAMAGE.
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  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: EplEventu.c,v $
  53
  54                 $Author: D.Krueger $
  55
  56                 $Revision: 1.8 $  $Date: 2008/11/17 16:40:39 $
  57
  58                 $State: Exp $
  59
  60                 Build Environment:
  61                     GCC V3.4
  62
  63   -------------------------------------------------------------------------
  64
  65   Revision History:
  66
  67   2006/06/20 k.t.:   start of the implementation
  68
  69 ****************************************************************************/
  70
  71 #include "user/EplEventu.h"
  72 #include "user/EplNmtu.h"
  73 #include "user/EplNmtMnu.h"
  74 #include "user/EplSdoAsySequ.h"
  75 #include "user/EplDlluCal.h"
  76 #include "user/EplLedu.h"
  77 #include "Benchmark.h"
  78
  79 #ifdef EPL_NO_FIFO
  80 #include "kernel/EplEventk.h"
  81 #else
  82 #include "SharedBuff.h"
  83 #endif
  84
  85 /***************************************************************************/
  86 /*                                                                         */
  87 /*                                                                         */
  88 /*          G L O B A L   D E F I N I T I O N S                            */
  89 /*                                                                         */
  90 /*                                                                         */
  91 /***************************************************************************/
  92
  93 //---------------------------------------------------------------------------
  94 // const defines
  95 //---------------------------------------------------------------------------
  96
  97 // TracePoint support for realtime-debugging
  98 #ifdef _DBG_TRACE_POINTS_
  99 void PUBLIC TgtDbgSignalTracePoint(BYTE bTracePointNumber_p);
 100 void PUBLIC TgtDbgPostTraceValue(DWORD dwTraceValue_p);
 101 #define TGT_DBG_SIGNAL_TRACE_POINT(p)   TgtDbgSignalTracePoint(p)
 102 #define TGT_DBG_POST_TRACE_VALUE(v)     TgtDbgPostTraceValue(v)
 103 #else
 104 #define TGT_DBG_SIGNAL_TRACE_POINT(p)
 105 #define TGT_DBG_POST_TRACE_VALUE(v)
 106 #endif
 107
 108 //---------------------------------------------------------------------------
 109 // local types
 110 //---------------------------------------------------------------------------
 111
 112 typedef struct {
 113 #ifndef EPL_NO_FIFO
 114         tShbInstance m_pShbKernelToUserInstance;
 115         tShbInstance m_pShbUserToKernelInstance;
 116 #endif
 117         tEplProcessEventCb m_pfnApiProcessEventCb;
 118
 119 } tEplEventuInstance;
 120
 121 //---------------------------------------------------------------------------
 122 // modul globale vars
 123 //---------------------------------------------------------------------------
 124
 125 //#ifndef EPL_NO_FIFO
 126 static tEplEventuInstance EplEventuInstance_g;
 127 //#endif
 128
 129 //---------------------------------------------------------------------------
 130 // local function prototypes
 131 //---------------------------------------------------------------------------
 132
 133 #ifndef EPL_NO_FIFO
 134 // callback function for incomming events
 135 static void EplEventuRxSignalHandlerCb(tShbInstance pShbRxInstance_p,
 136                                        unsigned long ulDataSize_p);
 137 #endif
 138
 139 /***************************************************************************/
 140 /*                                                                         */
 141 /*                                                                         */
 142 /*          C L A S S  <Epl-User-Event>                                    */
 143 /*                                                                         */
 144 /*                                                                         */
 145 /***************************************************************************/
 146 //
 147 // Description:
 148 //
 149 //
 150 /***************************************************************************/
 151
 152 //=========================================================================//
 153 //                                                                         //
 154 //          P U B L I C   F U N C T I O N S                                //
 155 //                                                                         //
 156 //=========================================================================//
 157
 158 //---------------------------------------------------------------------------
 159 //
 160 // Function:    EplEventuInit
 161 //
 162 // Description: function initialize the first instance
 163 //
 164 //
 165 //
 166 // Parameters:  pfnApiProcessEventCb_p  = function pointer for API event callback
 167 //
 168 //
 169 // Returns:      tEpKernel  = errorcode
 170 //
 171 //
 172 // State:
 173 //
 174 //---------------------------------------------------------------------------
 175 tEplKernel PUBLIC EplEventuInit(tEplProcessEventCb pfnApiProcessEventCb_p)
 176 {
 177         tEplKernel Ret;
 178
 179         Ret = EplEventuAddInstance(pfnApiProcessEventCb_p);
 180
 181         return Ret;
 182
 183 }
 184
 185 //---------------------------------------------------------------------------
 186 //
 187 // Function:    EplEventuAddInstance
 188 //
 189 // Description: function add one more instance
 190 //
 191 //
 192 //
 193 // Parameters:  pfnApiProcessEventCb_p  = function pointer for API event callback
 194 //
 195 //
 196 // Returns:      tEpKernel  = errorcode
 197 //
 198 //
 199 // State:
 200 //
 201 //---------------------------------------------------------------------------
 202 tEplKernel PUBLIC EplEventuAddInstance(tEplProcessEventCb
 203                                        pfnApiProcessEventCb_p)
 204 {
 205         tEplKernel Ret;
 206 #ifndef EPL_NO_FIFO
 207         tShbError ShbError;
 208         unsigned int fShbNewCreated;
 209 #endif
 210
 211         Ret = kEplSuccessful;
 212
 213         // init instance variables
 214         EplEventuInstance_g.m_pfnApiProcessEventCb = pfnApiProcessEventCb_p;
 215
 216 #ifndef EPL_NO_FIFO
 217         // init shared loop buffer
 218         // kernel -> user
 219         ShbError = ShbCirAllocBuffer(EPL_EVENT_SIZE_SHB_KERNEL_TO_USER,
 220                                      EPL_EVENT_NAME_SHB_KERNEL_TO_USER,
 221                                      &EplEventuInstance_g.
 222                                      m_pShbKernelToUserInstance,
 223                                      &fShbNewCreated);
 224         if (ShbError != kShbOk) {
 225                 EPL_DBGLVL_EVENTK_TRACE1
 226                     ("EplEventuAddInstance(): ShbCirAllocBuffer(K2U) -> 0x%X\n",
 227                      ShbError);
 228                 Ret = kEplNoResource;
 229                 goto Exit;
 230         }
 231
 232         // user -> kernel
 233         ShbError = ShbCirAllocBuffer(EPL_EVENT_SIZE_SHB_USER_TO_KERNEL,
 234                                      EPL_EVENT_NAME_SHB_USER_TO_KERNEL,
 235                                      &EplEventuInstance_g.
 236                                      m_pShbUserToKernelInstance,
 237                                      &fShbNewCreated);
 238         if (ShbError != kShbOk) {
 239                 EPL_DBGLVL_EVENTK_TRACE1
 240                     ("EplEventuAddInstance(): ShbCirAllocBuffer(U2K) -> 0x%X\n",
 241                      ShbError);
 242                 Ret = kEplNoResource;
 243                 goto Exit;
 244         }
 245         // register eventhandler
 246         ShbError =
 247             ShbCirSetSignalHandlerNewData(EplEventuInstance_g.
 248                                           m_pShbKernelToUserInstance,
 249                                           EplEventuRxSignalHandlerCb,
 250                                           kShbPriorityNormal);
 251         if (ShbError != kShbOk) {
 252                 EPL_DBGLVL_EVENTK_TRACE1
 253                     ("EplEventuAddInstance(): ShbCirSetSignalHandlerNewData(K2U) -> 0x%X\n",
 254                      ShbError);
 255                 Ret = kEplNoResource;
 256                 goto Exit;
 257         }
 258
 259       Exit:
 260 #endif
 261
 262         return Ret;
 263
 264 }
 265
 266 //---------------------------------------------------------------------------
 267 //
 268 // Function:    EplEventuDelInstance
 269 //
 270 // Description: function delete instance an free the bufferstructure
 271 //
 272 //
 273 //
 274 // Parameters:
 275 //
 276 //
 277 // Returns:      tEpKernel  = errorcode
 278 //
 279 //
 280 // State:
 281 //
 282 //---------------------------------------------------------------------------
 283 tEplKernel PUBLIC EplEventuDelInstance()
 284 {
 285         tEplKernel Ret;
 286 #ifndef EPL_NO_FIFO
 287         tShbError ShbError;
 288 #endif
 289
 290         Ret = kEplSuccessful;
 291
 292 #ifndef EPL_NO_FIFO
 293         // set eventhandler to NULL
 294         ShbError =
 295             ShbCirSetSignalHandlerNewData(EplEventuInstance_g.
 296                                           m_pShbKernelToUserInstance, NULL,
 297                                           kShbPriorityNormal);
 298         if (ShbError != kShbOk) {
 299                 EPL_DBGLVL_EVENTK_TRACE1
 300                     ("EplEventuDelInstance(): ShbCirSetSignalHandlerNewData(K2U) -> 0x%X\n",
 301                      ShbError);
 302                 Ret = kEplNoResource;
 303         }
 304         // free buffer User -> Kernel
 305         ShbError =
 306             ShbCirReleaseBuffer(EplEventuInstance_g.m_pShbUserToKernelInstance);
 307         if ((ShbError != kShbOk) && (ShbError != kShbMemUsedByOtherProcs)) {
 308                 EPL_DBGLVL_EVENTK_TRACE1
 309                     ("EplEventuDelInstance(): ShbCirReleaseBuffer(U2K) -> 0x%X\n",
 310                      ShbError);
 311                 Ret = kEplNoResource;
 312         } else {
 313                 EplEventuInstance_g.m_pShbUserToKernelInstance = NULL;
 314         }
 315
 316         // free buffer  Kernel -> User
 317         ShbError =
 318             ShbCirReleaseBuffer(EplEventuInstance_g.m_pShbKernelToUserInstance);
 319         if ((ShbError != kShbOk) && (ShbError != kShbMemUsedByOtherProcs)) {
 320                 EPL_DBGLVL_EVENTK_TRACE1
 321                     ("EplEventuDelInstance(): ShbCirReleaseBuffer(K2U) -> 0x%X\n",
 322                      ShbError);
 323                 Ret = kEplNoResource;
 324         } else {
 325                 EplEventuInstance_g.m_pShbKernelToUserInstance = NULL;
 326         }
 327
 328 #endif
 329
 330         return Ret;
 331
 332 }
 333
 334 //---------------------------------------------------------------------------
 335 //
 336 // Function:    EplEventuProcess
 337 //
 338 // Description: Kernelthread that dispatches events in kernelspace
 339 //
 340 //
 341 //
 342 // Parameters:  pEvent_p = pointer to event-structur from buffer
 343 //
 344 //
 345 // Returns:      tEpKernel  = errorcode
 346 //
 347 //
 348 // State:
 349 //
 350 //---------------------------------------------------------------------------
 351 tEplKernel PUBLIC EplEventuProcess(tEplEvent * pEvent_p)
 352 {
 353         tEplKernel Ret;
 354         tEplEventSource EventSource;
 355
 356         Ret = kEplSuccessful;
 357
 358         // check m_EventSink
 359         switch (pEvent_p->m_EventSink) {
 360                 // NMT-User-Module
 361         case kEplEventSinkNmtu:
 362                 {
 363 #if (((EPL_MODULE_INTEGRATION) & (EPL_MODULE_NMTU)) != 0)
 364                         Ret = EplNmtuProcessEvent(pEvent_p);
 365                         if ((Ret != kEplSuccessful) && (Ret != kEplShutdown)) {
 366                                 EventSource = kEplEventSourceNmtu;
 367
 368                                 // Error event for API layer
 369                                 EplEventuPostError(kEplEventSourceEventu,
 370                                                    Ret,
 371                                                    sizeof(EventSource),
 372                                                    &EventSource);
 373                         }
 374 #endif
 375                         break;
 376                 }
 377
 378 #if(((EPL_MODULE_INTEGRATION) & (EPL_MODULE_NMT_MN)) != 0)
 379                 // NMT-MN-User-Module
 380         case kEplEventSinkNmtMnu:
 381                 {
 382                         Ret = EplNmtMnuProcessEvent(pEvent_p);
 383                         if ((Ret != kEplSuccessful) && (Ret != kEplShutdown)) {
 384                                 EventSource = kEplEventSourceNmtMnu;
 385
 386                                 // Error event for API layer
 387                                 EplEventuPostError(kEplEventSourceEventu,
 388                                                    Ret,
 389                                                    sizeof(EventSource),
 390                                                    &EventSource);
 391                         }
 392                         break;
 393                 }
 394 #endif
 395
 396 #if ((((EPL_MODULE_INTEGRATION) & (EPL_MODULE_SDOC)) != 0)   \
 397      || (((EPL_MODULE_INTEGRATION) & (EPL_MODULE_SDOS)) != 0))
 398                 // events for asynchronus SDO Sequence Layer
 399         case kEplEventSinkSdoAsySeq:
 400                 {
 401                         Ret = EplSdoAsySeqProcessEvent(pEvent_p);
 402                         if ((Ret != kEplSuccessful) && (Ret != kEplShutdown)) {
 403                                 EventSource = kEplEventSourceSdoAsySeq;
 404
 405                                 // Error event for API layer
 406                                 EplEventuPostError(kEplEventSourceEventu,
 407                                                    Ret,
 408                                                    sizeof(EventSource),
 409                                                    &EventSource);
 410                         }
 411                         break;
 412                 }
 413 #endif
 414
 415                 // LED user part module
 416         case kEplEventSinkLedu:
 417                 {
 418 #if (((EPL_MODULE_INTEGRATION) & (EPL_MODULE_LEDU)) != 0)
 419                         Ret = EplLeduProcessEvent(pEvent_p);
 420                         if ((Ret != kEplSuccessful) && (Ret != kEplShutdown)) {
 421                                 EventSource = kEplEventSourceLedu;
 422
 423                                 // Error event for API layer
 424                                 EplEventuPostError(kEplEventSourceEventu,
 425                                                    Ret,
 426                                                    sizeof(EventSource),
 427                                                    &EventSource);
 428                         }
 429 #endif
 430                         break;
 431                 }
 432
 433                 // event for EPL api
 434         case kEplEventSinkApi:
 435                 {
 436                         if (EplEventuInstance_g.m_pfnApiProcessEventCb != NULL) {
 437                                 Ret =
 438                                     EplEventuInstance_g.
 439                                     m_pfnApiProcessEventCb(pEvent_p);
 440                                 if ((Ret != kEplSuccessful)
 441                                     && (Ret != kEplShutdown)) {
 442                                         EventSource = kEplEventSourceEplApi;
 443
 444                                         // Error event for API layer
 445                                         EplEventuPostError
 446                                             (kEplEventSourceEventu, Ret,
 447                                              sizeof(EventSource), &EventSource);
 448                                 }
 449                         }
 450                         break;
 451
 452                 }
 453
 454         case kEplEventSinkDlluCal:
 455                 {
 456                         Ret = EplDlluCalProcess(pEvent_p);
 457                         if ((Ret != kEplSuccessful) && (Ret != kEplShutdown)) {
 458                                 EventSource = kEplEventSourceDllu;
 459
 460                                 // Error event for API layer
 461                                 EplEventuPostError(kEplEventSourceEventu,
 462                                                    Ret,
 463                                                    sizeof(EventSource),
 464                                                    &EventSource);
 465                         }
 466                         break;
 467
 468                 }
 469
 470         case kEplEventSinkErru:
 471                 {
 472                         /*
 473                            Ret = EplErruProcess(pEvent_p);
 474                            if ((Ret != kEplSuccessful) && (Ret != kEplShutdown))
 475                            {
 476                            EventSource = kEplEventSourceErru;
 477
 478                            // Error event for API layer
 479                            EplEventuPostError(kEplEventSourceEventu,
 480                            Ret,
 481                            sizeof(EventSource),
 482                            &EventSource);
 483                            }
 484                          */
 485                         break;
 486
 487                 }
 488
 489                 // unknown sink
 490         default:
 491                 {
 492                         Ret = kEplEventUnknownSink;
 493                 }
 494
 495         }                       // end of switch(pEvent_p->m_EventSink)
 496
 497         return Ret;
 498
 499 }
 500
 501 //---------------------------------------------------------------------------
 502 //
 503 // Function:    EplEventuPost
 504 //
 505 // Description: post events from userspace
 506 //
 507 //
 508 //
 509 // Parameters:  pEvent_p = pointer to event-structur from buffer
 510 //
 511 //
 512 // Returns:      tEpKernel  = errorcode
 513 //
 514 //
 515 // State:
 516 //
 517 //---------------------------------------------------------------------------
 518 tEplKernel PUBLIC EplEventuPost(tEplEvent * pEvent_p)
 519 {
 520         tEplKernel Ret;
 521 #ifndef EPL_NO_FIFO
 522         tShbError ShbError;
 523         tShbCirChunk ShbCirChunk;
 524         unsigned long ulDataSize;
 525         unsigned int fBufferCompleted;
 526 #endif
 527
 528         Ret = kEplSuccessful;
 529
 530 #ifndef EPL_NO_FIFO
 531         // 2006/08/03 d.k.: Event and argument are posted as separate chunks to the event queue.
 532         ulDataSize =
 533             sizeof(tEplEvent) +
 534             ((pEvent_p->m_pArg != NULL) ? pEvent_p->m_uiSize : 0);
 535 #endif
 536
 537         // decide in which buffer the event have to write
 538         switch (pEvent_p->m_EventSink) {
 539                 // kernelspace modules
 540         case kEplEventSinkSync:
 541         case kEplEventSinkNmtk:
 542         case kEplEventSinkDllk:
 543         case kEplEventSinkDllkCal:
 544         case kEplEventSinkPdok:
 545         case kEplEventSinkErrk:
 546                 {
 547 #ifndef EPL_NO_FIFO
 548                         // post message
 549                         ShbError =
 550                             ShbCirAllocDataBlock(EplEventuInstance_g.
 551                                                  m_pShbUserToKernelInstance,
 552                                                  &ShbCirChunk, ulDataSize);
 553                         if (ShbError != kShbOk) {
 554                                 EPL_DBGLVL_EVENTK_TRACE1
 555                                     ("EplEventuPost(): ShbCirAllocDataBlock(U2K) -> 0x%X\n",
 556                                      ShbError);
 557                                 Ret = kEplEventPostError;
 558                                 goto Exit;
 559                         }
 560                         ShbError =
 561                             ShbCirWriteDataChunk(EplEventuInstance_g.
 562                                                  m_pShbUserToKernelInstance,
 563                                                  &ShbCirChunk, pEvent_p,
 564                                                  sizeof(tEplEvent),
 565                                                  &fBufferCompleted);
 566                         if (ShbError != kShbOk) {
 567                                 EPL_DBGLVL_EVENTK_TRACE1
 568                                     ("EplEventuPost(): ShbCirWriteDataChunk(U2K) -> 0x%X\n",
 569                                      ShbError);
 570                                 Ret = kEplEventPostError;
 571                                 goto Exit;
 572                         }
 573                         if (fBufferCompleted == FALSE) {
 574                                 ShbError =
 575                                     ShbCirWriteDataChunk(EplEventuInstance_g.
 576                                                          m_pShbUserToKernelInstance,
 577                                                          &ShbCirChunk,
 578                                                          pEvent_p->m_pArg,
 579                                                          (unsigned long)
 580                                                          pEvent_p->m_uiSize,
 581                                                          &fBufferCompleted);
 582                                 if ((ShbError != kShbOk)
 583                                     || (fBufferCompleted == FALSE)) {
 584                                         EPL_DBGLVL_EVENTK_TRACE1
 585                                             ("EplEventuPost(): ShbCirWriteDataChunk2(U2K) -> 0x%X\n",
 586                                              ShbError);
 587                                         Ret = kEplEventPostError;
 588                                         goto Exit;
 589                                 }
 590                         }
 591 #else
 592                         Ret = EplEventkProcess(pEvent_p);
 593 #endif
 594
 595                         break;
 596                 }
 597
 598                 // userspace modules
 599         case kEplEventSinkNmtMnu:
 600         case kEplEventSinkNmtu:
 601         case kEplEventSinkSdoAsySeq:
 602         case kEplEventSinkApi:
 603         case kEplEventSinkDlluCal:
 604         case kEplEventSinkErru:
 605         case kEplEventSinkLedu:
 606                 {
 607 #ifndef EPL_NO_FIFO
 608                         // post message
 609                         ShbError =
 610                             ShbCirAllocDataBlock(EplEventuInstance_g.
 611                                                  m_pShbKernelToUserInstance,
 612                                                  &ShbCirChunk, ulDataSize);
 613                         if (ShbError != kShbOk) {
 614                                 EPL_DBGLVL_EVENTK_TRACE1
 615                                     ("EplEventuPost(): ShbCirAllocDataBlock(K2U) -> 0x%X\n",
 616                                      ShbError);
 617                                 Ret = kEplEventPostError;
 618                                 goto Exit;
 619                         }
 620                         ShbError =
 621                             ShbCirWriteDataChunk(EplEventuInstance_g.
 622                                                  m_pShbKernelToUserInstance,
 623                                                  &ShbCirChunk, pEvent_p,
 624                                                  sizeof(tEplEvent),
 625                                                  &fBufferCompleted);
 626                         if (ShbError != kShbOk) {
 627                                 EPL_DBGLVL_EVENTK_TRACE1
 628                                     ("EplEventuPost(): ShbCirWriteDataChunk(K2U) -> 0x%X\n",
 629                                      ShbError);
 630                                 Ret = kEplEventPostError;
 631                                 goto Exit;
 632                         }
 633                         if (fBufferCompleted == FALSE) {
 634                                 ShbError =
 635                                     ShbCirWriteDataChunk(EplEventuInstance_g.
 636                                                          m_pShbKernelToUserInstance,
 637                                                          &ShbCirChunk,
 638                                                          pEvent_p->m_pArg,
 639                                                          (unsigned long)
 640                                                          pEvent_p->m_uiSize,
 641                                                          &fBufferCompleted);
 642                                 if ((ShbError != kShbOk)
 643                                     || (fBufferCompleted == FALSE)) {
 644                                         EPL_DBGLVL_EVENTK_TRACE1
 645                                             ("EplEventuPost(): ShbCirWriteDataChunk2(K2U) -> 0x%X\n",
 646                                              ShbError);
 647                                         Ret = kEplEventPostError;
 648                                         goto Exit;
 649                                 }
 650                         }
 651 #else
 652                         Ret = EplEventuProcess(pEvent_p);
 653 #endif
 654
 655                         break;
 656                 }
 657
 658         default:
 659                 {
 660                         Ret = kEplEventUnknownSink;
 661                 }
 662
 663         }                       // end of switch(pEvent_p->m_EventSink)
 664
 665 #ifndef EPL_NO_FIFO
 666       Exit:
 667 #endif
 668         return Ret;
 669
 670 }
 671
 672 //---------------------------------------------------------------------------
 673 //
 674 // Function:    EplEventuPostError
 675 //
 676 // Description: post errorevent from userspace
 677 //
 678 //
 679 //
 680 // Parameters:  EventSource_p   = source-module of the errorevent
 681 //              EplError_p     = code of occured error
 682 //              uiArgSize_p     = size of the argument
 683 //              pArg_p          = pointer to the argument
 684 //
 685 //
 686 // Returns:      tEpKernel  = errorcode
 687 //
 688 //
 689 // State:
 690 //
 691 //---------------------------------------------------------------------------
 692 tEplKernel PUBLIC EplEventuPostError(tEplEventSource EventSource_p,
 693                                      tEplKernel EplError_p,
 694                                      unsigned int uiArgSize_p, void *pArg_p)
 695 {
 696         tEplKernel Ret;
 697         BYTE abBuffer[EPL_MAX_EVENT_ARG_SIZE];
 698         tEplEventError *pEventError = (tEplEventError *) abBuffer;
 699         tEplEvent EplEvent;
 700
 701         Ret = kEplSuccessful;
 702
 703         // create argument
 704         pEventError->m_EventSource = EventSource_p;
 705         pEventError->m_EplError = EplError_p;
 706         EPL_MEMCPY(&pEventError->m_Arg, pArg_p, uiArgSize_p);
 707
 708         // create event
 709         EplEvent.m_EventType = kEplEventTypeError;
 710         EplEvent.m_EventSink = kEplEventSinkApi;
 711         EPL_MEMSET(&EplEvent.m_NetTime, 0x00, sizeof(EplEvent.m_NetTime));
 712         EplEvent.m_uiSize =
 713             (sizeof(EventSource_p) + sizeof(EplError_p) + uiArgSize_p);
 714         EplEvent.m_pArg = &abBuffer[0];
 715
 716         // post errorevent
 717         Ret = EplEventuPost(&EplEvent);
 718
 719         return Ret;
 720 }
 721
 722 //=========================================================================//
 723 //                                                                         //
 724 //          P R I V A T E   F U N C T I O N S                              //
 725 //                                                                         //
 726 //=========================================================================//
 727
 728 //---------------------------------------------------------------------------
 729 //
 730 // Function:    EplEventuRxSignalHandlerCb()
 731 //
 732 // Description: Callback-function for evets from kernelspace
 733 //
 734 //
 735 //
 736 // Parameters:  pShbRxInstance_p    = Instance-pointer for buffer
 737 //              ulDataSize_p        = size of data
 738 //
 739 //
 740 // Returns: void
 741 //
 742 //
 743 // State:
 744 //
 745 //---------------------------------------------------------------------------
 746 #ifndef EPL_NO_FIFO
 747 static void EplEventuRxSignalHandlerCb(tShbInstance pShbRxInstance_p,
 748                                        unsigned long ulDataSize_p)
 749 {
 750         tEplEvent *pEplEvent;
 751         tShbError ShbError;
 752 //unsigned long   ulBlockCount;
 753 //unsigned long   ulDataSize;
 754         BYTE abDataBuffer[sizeof(tEplEvent) + EPL_MAX_EVENT_ARG_SIZE];
 755         // d.k.: abDataBuffer contains the complete tEplEvent structure
 756         //       and behind this the argument
 757
 758         TGT_DBG_SIGNAL_TRACE_POINT(21);
 759
 760 // d.k. not needed because it is already done in SharedBuff
 761 /*    do
 762     {
 763         BENCHMARK_MOD_28_SET(1);    // 4 µs until reset
 764         // get messagesize
 765         ShbError = ShbCirGetReadDataSize (pShbRxInstance_p, &ulDataSize);
 766         if(ShbError != kShbOk)
 767         {
 768             // error goto exit
 769             goto Exit;
 770         }
 771
 772         BENCHMARK_MOD_28_RESET(1);  // 14 µs until set
 773 */
 774         // copy data from event queue
 775         ShbError = ShbCirReadDataBlock(pShbRxInstance_p,
 776                                        &abDataBuffer[0],
 777                                        sizeof(abDataBuffer), &ulDataSize_p);
 778         if (ShbError != kShbOk) {
 779                 // error goto exit
 780                 goto Exit;
 781         }
 782         // resolve the pointer to the event structure
 783         pEplEvent = (tEplEvent *) abDataBuffer;
 784         // set Datasize
 785         pEplEvent->m_uiSize = (ulDataSize_p - sizeof(tEplEvent));
 786         if (pEplEvent->m_uiSize > 0) {
 787                 // set pointer to argument
 788                 pEplEvent->m_pArg = &abDataBuffer[sizeof(tEplEvent)];
 789         } else {
 790                 //set pointer to NULL
 791                 pEplEvent->m_pArg = NULL;
 792         }
 793
 794         BENCHMARK_MOD_28_SET(1);
 795         // call processfunction
 796         EplEventuProcess(pEplEvent);
 797
 798         BENCHMARK_MOD_28_RESET(1);
 799         // read number of left messages to process
 800 // d.k. not needed because it is already done in SharedBuff
 801 /*        ShbError = ShbCirGetReadBlockCount (pShbRxInstance_p, &ulBlockCount);
 802         if (ShbError != kShbOk)
 803         {
 804             // error goto exit
 805             goto Exit;
 806         }
 807     } while (ulBlockCount > 0);
 808 */
 809       Exit:
 810         return;
 811 }
 812 #endif
 813
 814 // EOF