diagnostic/Dcm/Dcm_Dsp.c

   1 /* -------------------------------- Arctic Core ------------------------------\r
   2  * Arctic Core - the open source AUTOSAR platform http://arccore.com\r
   3  *\r
   4  * Copyright (C) 2009  ArcCore AB <contact@arccore.com>\r
   5  *\r
   6  * This source code is free software; you can redistribute it and/or modify it\r
   7  * under the terms of the GNU General Public License version 2 as published by the\r
   8  * Free Software Foundation; See <http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt>.\r
   9  *\r
  10  * This program is distributed in the hope that it will be useful, but\r
  11  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY\r
  12  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License\r
  13  * for more details.\r
  14  * -------------------------------- Arctic Core ------------------------------*/\r
  15 \r
  16 \r
  17 \r
  18 /*\r
  19  *  General requirements\r
  20  */\r
  21 /** @req DCM273 */ /** @req DCM272 */\r
  22 /** @req DCM039 */ /** @req DCM038 */ /** @req DCM269 */\r
  23 /** @req DCM271 */ /** @req DCM274 */ /** @req DCM275 */ /** @req DCM424 */\r
  24 /** @req DCM007 */\r
  25 \r
  26 #include <string.h>\r
  27 #include "Dcm.h"\r
  28 #include "Dcm_Internal.h"\r
  29 #include "Dem.h"\r
  30 #include "MemMap.h"\r
  31 #include "Mcu.h"\r
  32 \r
  33 #define ZERO_SUB_FUNCTION                       0x00\r
  34 \r
  35 /*\r
  36  * Macros\r
  37  */\r
  38 #define BYTES_TO_DTC(hb, mb, lb)        (((uint32)(hb) << 16) | ((uint32)(mb) << 8) | (uint32)(lb))\r
  39 #define DTC_HIGH_BYTE(dtc)                      (((uint32)(dtc) >> 16) & 0xFF)\r
  40 #define DTC_MID_BYTE(dtc)                       (((uint32)(dtc) >> 8) & 0xFF)\r
  41 #define DTC_LOW_BYTE(dtc)                       ((uint32)(dtc) & 0xFF)\r
  42 \r
  43 \r
  44 typedef struct {\r
  45         boolean resetPending;\r
  46         PduIdType resetPduId;\r
  47 } DspUdsEcuResetDataType;\r
  48 \r
  49 static DspUdsEcuResetDataType dspUdsEcuResetData;\r
  50 \r
  51 \r
  52 typedef struct {\r
  53         boolean                                                 reqInProgress;\r
  54         Dcm_SecLevelType                                reqSecLevel;\r
  55         const Dcm_DspSecurityRowType    *reqSecLevelRef;\r
  56 } DspUdsSecurityAccessDataType;\r
  57 \r
  58 static DspUdsSecurityAccessDataType dspUdsSecurityAccesData;\r
  59 \r
  60 \r
  61 void DspInit(void)\r
  62 {\r
  63         dspUdsSecurityAccesData.reqInProgress = FALSE;\r
  64         dspUdsEcuResetData.resetPending = FALSE;\r
  65 }\r
  66 \r
  67 \r
  68 void DspMain(void)\r
  69 {\r
  70 \r
  71 }\r
  72 \r
  73 \r
  74 boolean DspCheckSessionLevel(const Dcm_DspSessionRowType **sessionLevelRefTable)\r
  75 {\r
  76         boolean returnStatus = TRUE;\r
  77         Dcm_SesCtrlType currentSession;\r
  78 \r
  79         DslGetSesCtrlType(&currentSession);\r
  80         while (((*sessionLevelRefTable)->DspSessionLevel != currentSession) && !(*sessionLevelRefTable)->Arc_EOL) {\r
  81                 sessionLevelRefTable++;\r
  82         }\r
  83 \r
  84         if ((*sessionLevelRefTable)->Arc_EOL) {\r
  85                 returnStatus = FALSE;\r
  86         }\r
  87 \r
  88         return returnStatus;\r
  89 }\r
  90 \r
  91 \r
  92 boolean DspCheckSecurityLevel(const Dcm_DspSecurityRowType      **securityLevelRefTable)\r
  93 {\r
  94         boolean returnStatus = TRUE;\r
  95         Dcm_SecLevelType currentSecurityLevel;\r
  96 \r
  97         DslGetSecurityLevel(&currentSecurityLevel);\r
  98         while (((*securityLevelRefTable)->DspSecurityLevel != currentSecurityLevel) && !(*securityLevelRefTable)->Arc_EOL) {\r
  99                 securityLevelRefTable++;\r
 100         }\r
 101         if ((*securityLevelRefTable)->Arc_EOL) {\r
 102                 returnStatus = FALSE;\r
 103         }\r
 104 \r
 105         return returnStatus;\r
 106 }\r
 107 \r
 108 \r
 109 static Std_ReturnType askApplicationForSessionPermission(Dcm_SesCtrlType newSessionLevel)\r
 110 {\r
 111         Std_ReturnType returnCode = E_OK;\r
 112         const Dcm_DslSessionControlType *sesControl = DCM_Config.Dsl->DslSessionControl;\r
 113         Dcm_SesCtrlType currentSessionLevel;\r
 114         Std_ReturnType result;\r
 115 \r
 116         while (!sesControl->Arc_EOL && (returnCode != E_SESSION_NOT_ALLOWED)) {\r
 117                 if (sesControl->GetSesChgPermission != NULL) {\r
 118                         Dcm_GetSesCtrlType(&currentSessionLevel);\r
 119                         result = sesControl->GetSesChgPermission(currentSessionLevel ,newSessionLevel);\r
 120                         if (result != E_OK) {\r
 121                                 returnCode = result;\r
 122                         }\r
 123                 }\r
 124                 sesControl++;\r
 125         }\r
 126 \r
 127         return returnCode;\r
 128 }\r
 129 \r
 130 \r
 131 void DspUdsDiagnosticSessionControl(const PduInfoType *pduRxData, PduInfoType *pduTxData)\r
 132 {\r
 133         /** @req DCM250 */\r
 134         const Dcm_DspSessionRowType *sessionRow = DCM_Config.Dsp->DspSession->DspSessionRow;\r
 135         Dcm_SesCtrlType reqSessionType;\r
 136         Std_ReturnType result;\r
 137 \r
 138         if (pduRxData->SduLength == 2) {\r
 139                 reqSessionType = pduRxData->SduDataPtr[1];\r
 140                 // Check if type exist in session table\r
 141                 while ((sessionRow->DspSessionLevel != reqSessionType) && !sessionRow->Arc_EOL) {\r
 142                         sessionRow++;\r
 143                 }\r
 144 \r
 145                 if (!sessionRow->Arc_EOL) {\r
 146                         result = askApplicationForSessionPermission(reqSessionType);\r
 147                         if (result == E_OK) {\r
 148                                 DslSetSesCtrlType(reqSessionType);              /** @req DCM311 */\r
 149                                 // Create positive response\r
 150                                 pduTxData->SduDataPtr[1] = reqSessionType;\r
 151                                 pduTxData->SduLength = 2;\r
 152                                 DsdDspProcessingDone(DCM_E_POSITIVERESPONSE);\r
 153                         }\r
 154                         else {\r
 155                                 // TODO: Add handling of special case of E_FORCE_RCRRP (Dcm138)\r
 156                                 DsdDspProcessingDone(DCM_E_CONDITIONSNOTCORRECT);       /** @req DCM308 */\r
 157                         }\r
 158                 }\r
 159                 else {\r
 160                         DsdDspProcessingDone(DCM_E_SUBFUNCTIONNOTSUPPORTED);    /** @req DCM307 */\r
 161                 }\r
 162         }\r
 163         else {\r
 164                 // Wrong length\r
 165                 DsdDspProcessingDone(DCM_E_INCORRECTMESSAGELENGTHORINVALIDFORMAT);\r
 166         }\r
 167 }\r
 168 \r
 169 \r
 170 void DspUdsEcuReset(const PduInfoType *pduRxData, PduIdType txPduId, PduInfoType *pduTxData)\r
 171 {\r
 172         /** @req DCM260 */\r
 173         uint8 reqResetType;\r
 174 \r
 175         if (pduRxData->SduLength == 2) {\r
 176                 reqResetType = pduRxData->SduDataPtr[1];\r
 177 \r
 178                 switch (reqResetType)\r
 179                 {\r
 180                 case 0x01:      // Hard reset\r
 181                         // TODO: Ask application for permission (Dcm373) (Dcm375) (Dcm377)\r
 182 \r
 183                         // Schedule the reset\r
 184                         dspUdsEcuResetData.resetPending = TRUE;\r
 185                         dspUdsEcuResetData.resetPduId = txPduId;\r
 186 \r
 187                         // Create positive response\r
 188                         pduTxData->SduDataPtr[1] = reqResetType;\r
 189                         pduTxData->SduLength = 2;\r
 190                         DsdDspProcessingDone(DCM_E_POSITIVERESPONSE);\r
 191                         break;\r
 192 \r
 193                 default:\r
 194                         DsdDspProcessingDone(DCM_E_SUBFUNCTIONNOTSUPPORTED);\r
 195                         break;\r
 196                 }\r
 197         }\r
 198         else {\r
 199                 // Wrong length\r
 200                 DsdDspProcessingDone(DCM_E_INCORRECTMESSAGELENGTHORINVALIDFORMAT);\r
 201         }\r
 202 }\r
 203 \r
 204 \r
 205 void DspUdsClearDiagnosticInformation(const PduInfoType *pduRxData, PduInfoType *pduTxData)\r
 206 {\r
 207         /** @req DCM247 */\r
 208         uint32 dtc;\r
 209         Dem_ReturnClearDTCType result;\r
 210 \r
 211         if (pduRxData->SduLength == 4) {\r
 212                 dtc = BYTES_TO_DTC(pduRxData->SduDataPtr[1], pduRxData->SduDataPtr[2], pduRxData->SduDataPtr[3]);\r
 213 \r
 214                 result = Dem_ClearDTC(dtc, DEM_DTC_KIND_ALL_DTCS, DEM_DTC_ORIGIN_PRIMARY_MEMORY); /** @req DCM005 */\r
 215 \r
 216                 switch (result)\r
 217                 {\r
 218                 case DEM_CLEAR_OK:\r
 219                         // Create positive response\r
 220                         pduTxData->SduLength = 1;\r
 221                         DsdDspProcessingDone(DCM_E_POSITIVERESPONSE);\r
 222                         break;\r
 223 \r
 224                 default:\r
 225                         DsdDspProcessingDone(DCM_E_REQUESTOUTOFRANGE);\r
 226                         break;\r
 227                 }\r
 228         }\r
 229         else {\r
 230                 // Wrong length\r
 231                 DsdDspProcessingDone(DCM_E_INCORRECTMESSAGELENGTHORINVALIDFORMAT);\r
 232         }\r
 233 }\r
 234 \r
 235 \r
 236 static Dcm_NegativeResponseCodeType udsReadDtcInfoSub_0x01_0x07_0x11_0x12(const PduInfoType *pduRxData, PduInfoType *pduTxData)\r
 237 {\r
 238         typedef struct {\r
 239                 uint8           SID;\r
 240                 uint8           reportType;\r
 241                 uint8           dtcStatusAvailabilityMask;\r
 242                 uint8           dtcFormatIdentifier;\r
 243                 uint8           dtcCountHighByte;\r
 244                 uint8           dtcCountLowByte;\r
 245         } TxDataType;\r
 246 \r
 247         Dcm_NegativeResponseCodeType responseCode = DCM_E_POSITIVERESPONSE;\r
 248         Dem_ReturnSetDTCFilterType setDtcFilterResult;\r
 249 \r
 250         // Setup the DTC filter\r
 251         switch (pduRxData->SduDataPtr[1])       /** @req DCM293 */\r
 252         {\r
 253         case 0x01:      // reportNumberOfDTCByStatusMask\r
 254                 setDtcFilterResult = Dem_SetDTCFilter(pduRxData->SduDataPtr[2], DEM_DTC_KIND_ALL_DTCS, DEM_DTC_ORIGIN_PRIMARY_MEMORY, DEM_FILTER_WITH_SEVERITY_NO, VALUE_IS_NOT_USED, DEM_FILTER_FOR_FDC_NO);\r
 255                 break;\r
 256 \r
 257         case 0x07:      // reportNumberOfDTCBySeverityMaskRecord\r
 258                 setDtcFilterResult = Dem_SetDTCFilter(pduRxData->SduDataPtr[3], DEM_DTC_KIND_ALL_DTCS, DEM_DTC_ORIGIN_PRIMARY_MEMORY, DEM_FILTER_WITH_SEVERITY_YES, pduRxData->SduDataPtr[2], DEM_FILTER_FOR_FDC_NO);\r
 259                 break;\r
 260 \r
 261         case 0x11:      // reportNumberOfMirrorMemoryDTCByStatusMask\r
 262                 setDtcFilterResult = Dem_SetDTCFilter(pduRxData->SduDataPtr[2], DEM_DTC_KIND_ALL_DTCS, DEM_DTC_ORIGIN_MIRROR_MEMORY, DEM_FILTER_WITH_SEVERITY_NO, VALUE_IS_NOT_USED, DEM_FILTER_FOR_FDC_NO);\r
 263                 break;\r
 264 \r
 265         case 0x12:      // reportNumberOfEmissionRelatedOBDDTCByStatusMask\r
 266                 setDtcFilterResult = Dem_SetDTCFilter(pduRxData->SduDataPtr[2], DEM_DTC_KIND_EMISSION_REL_DTCS, DEM_DTC_ORIGIN_PRIMARY_MEMORY, DEM_FILTER_WITH_SEVERITY_NO, VALUE_IS_NOT_USED, DEM_FILTER_FOR_FDC_NO);\r
 267                 break;\r
 268 \r
 269         default:\r
 270                 setDtcFilterResult = DEM_WRONG_FILTER;\r
 271                 break;\r
 272         }\r
 273 \r
 274         if (setDtcFilterResult == DEM_FILTER_ACCEPTED) {\r
 275                 uint16 numberOfFilteredDtc;\r
 276                 uint8 dtcStatusMask;\r
 277                 TxDataType *txData = (TxDataType*)pduTxData->SduDataPtr;\r
 278 \r
 279                 /** @req DCM376 */\r
 280                 Dem_GetNumberOfFilteredDtc(&numberOfFilteredDtc);\r
 281                 Dem_GetDTCStatusAvailabilityMask(&dtcStatusMask);\r
 282 \r
 283                 // Create positive response (ISO 14229-1 table 251)\r
 284                 txData->reportType = pduRxData->SduDataPtr[1];                                          // reportType\r
 285                 txData->dtcStatusAvailabilityMask = dtcStatusMask;                                      // DTCStatusAvailabilityMask\r
 286                 txData->dtcFormatIdentifier = Dem_GetTranslationType();                         // DTCFormatIdentifier\r
 287                 txData->dtcCountHighByte = (numberOfFilteredDtc >> 8);                          // DTCCount high byte\r
 288                 txData->dtcCountLowByte = (numberOfFilteredDtc & 0xFF);                         // DTCCount low byte\r
 289                 pduTxData->SduLength = 6;\r
 290         }\r
 291         else {\r
 292                 responseCode = DCM_E_REQUESTOUTOFRANGE;\r
 293         }\r
 294 \r
 295         return responseCode;\r
 296 }\r
 297 \r
 298 \r
 299 static Dcm_NegativeResponseCodeType udsReadDtcInfoSub_0x02_0x0A_0x0F_0x13_0x15(const PduInfoType *pduRxData, PduInfoType *pduTxData)\r
 300 {\r
 301         Dcm_NegativeResponseCodeType responseCode = DCM_E_POSITIVERESPONSE;\r
 302         Dem_ReturnSetDTCFilterType setDtcFilterResult;\r
 303 \r
 304         typedef struct {\r
 305                 uint8           dtcHighByte;\r
 306                 uint8           dtcMiddleByte;\r
 307                 uint8           dtcLowByte;\r
 308                 uint8           statusOfDtc;\r
 309         } dtcAndStatusRecordType;\r
 310 \r
 311         typedef struct {\r
 312                 uint8                                   SID;\r
 313                 uint8                                   reportType;\r
 314                 uint8                                   dtcStatusAvailabilityMask;\r
 315                 dtcAndStatusRecordType  dtcAndStatusRecord[];\r
 316         } TxDataType;\r
 317 \r
 318         // Setup the DTC filter\r
 319         switch (pduRxData->SduDataPtr[1])       /** @req DCM378 */\r
 320         {\r
 321         case 0x02:      // reportDTCByStatusMask\r
 322                 setDtcFilterResult = Dem_SetDTCFilter(pduRxData->SduDataPtr[2], DEM_DTC_KIND_ALL_DTCS, DEM_DTC_ORIGIN_PRIMARY_MEMORY, DEM_FILTER_WITH_SEVERITY_NO, VALUE_IS_NOT_USED, DEM_FILTER_FOR_FDC_NO);\r
 323                 break;\r
 324 \r
 325         case 0x0A:      // reportSupportedDTC\r
 326                 setDtcFilterResult = Dem_SetDTCFilter(DEM_DTC_STATUS_MASK_ALL, DEM_DTC_KIND_ALL_DTCS, DEM_DTC_ORIGIN_PRIMARY_MEMORY, DEM_FILTER_WITH_SEVERITY_NO, VALUE_IS_NOT_USED, DEM_FILTER_FOR_FDC_NO);\r
 327                 break;\r
 328 \r
 329         case 0x0F:      // reportMirrorMemoryDTCByStatusMask\r
 330                 setDtcFilterResult = Dem_SetDTCFilter(pduRxData->SduDataPtr[2], DEM_DTC_KIND_ALL_DTCS, DEM_DTC_ORIGIN_MIRROR_MEMORY, DEM_FILTER_WITH_SEVERITY_NO, VALUE_IS_NOT_USED, DEM_FILTER_FOR_FDC_NO);\r
 331                 break;\r
 332 \r
 333         case 0x13:      // reportEmissionRelatedOBDDTCByStatusMask\r
 334                 setDtcFilterResult = Dem_SetDTCFilter(pduRxData->SduDataPtr[2], DEM_DTC_KIND_EMISSION_REL_DTCS, DEM_DTC_ORIGIN_PRIMARY_MEMORY, DEM_FILTER_WITH_SEVERITY_NO, VALUE_IS_NOT_USED, DEM_FILTER_FOR_FDC_NO);\r
 335                 break;\r
 336 \r
 337         case 0x15:      // reportDTCWithPermanentStatus\r
 338                 setDtcFilterResult = Dem_SetDTCFilter(DEM_DTC_STATUS_MASK_ALL, DEM_DTC_KIND_ALL_DTCS, DEM_DTC_ORIGIN_PERMANENT_MEMORY, DEM_FILTER_WITH_SEVERITY_NO, VALUE_IS_NOT_USED, DEM_FILTER_FOR_FDC_NO);\r
 339                 break;\r
 340 \r
 341         default:\r
 342                 setDtcFilterResult = DEM_WRONG_FILTER;\r
 343                 break;\r
 344         }\r
 345 \r
 346         if (setDtcFilterResult == DEM_FILTER_ACCEPTED) {\r
 347                 uint8 dtcStatusMask;\r
 348                 TxDataType *txData = (TxDataType*)pduTxData->SduDataPtr;\r
 349                 Dem_ReturnGetNextFilteredDTCType getNextFilteredDtcResult;\r
 350                 uint32 dtc;\r
 351                 Dem_EventStatusExtendedType dtcStatus;\r
 352                 uint16 nrOfDtcs = 0;\r
 353 \r
 354                 /** @req DCM377 */\r
 355                 Dem_GetDTCStatusAvailabilityMask(&dtcStatusMask);\r
 356 \r
 357                 // Create positive response (ISO 14229-1 table 252)\r
 358                 txData->reportType = pduRxData->SduDataPtr[1];\r
 359                 txData->dtcStatusAvailabilityMask = dtcStatusMask;\r
 360 \r
 361                 if (dtcStatusMask != 0x00) {    /** @req DCM008 */\r
 362                         getNextFilteredDtcResult = Dem_GetNextFilteredDTC(&dtc, &dtcStatus);\r
 363                         while (getNextFilteredDtcResult == DEM_FILTERED_OK) {\r
 364                                 txData->dtcAndStatusRecord[nrOfDtcs].dtcHighByte = DTC_HIGH_BYTE(dtc);\r
 365                                 txData->dtcAndStatusRecord[nrOfDtcs].dtcMiddleByte = DTC_MID_BYTE(dtc);\r
 366                                 txData->dtcAndStatusRecord[nrOfDtcs].dtcLowByte = DTC_LOW_BYTE(dtc);\r
 367                                 txData->dtcAndStatusRecord[nrOfDtcs].statusOfDtc = dtcStatus;\r
 368                                 nrOfDtcs++;\r
 369                                 getNextFilteredDtcResult = Dem_GetNextFilteredDTC(&dtc, &dtcStatus);\r
 370                         }\r
 371 \r
 372                         if (getNextFilteredDtcResult != DEM_FILTERED_NO_MATCHING_DTC) {\r
 373                                 responseCode = DCM_E_REQUESTOUTOFRANGE;\r
 374                         }\r
 375                 }\r
 376                 pduTxData->SduLength = 3 + nrOfDtcs * sizeof(dtcAndStatusRecordType);\r
 377         }\r
 378         else {\r
 379                 responseCode = DCM_E_REQUESTOUTOFRANGE;\r
 380         }\r
 381 \r
 382         return responseCode;\r
 383 }\r
 384 \r
 385 \r
 386 static Dcm_NegativeResponseCodeType udsReadDtcInfoSub_0x08(const PduInfoType *pduRxData, PduInfoType *pduTxData)\r
 387 {\r
 388         Dcm_NegativeResponseCodeType responseCode = DCM_E_POSITIVERESPONSE;\r
 389 \r
 390         // TODO: Not supported yet, (DEM module does not currently support severity).\r
 391         responseCode = DCM_E_REQUESTOUTOFRANGE;\r
 392 \r
 393         return responseCode;\r
 394 }\r
 395 \r
 396 \r
 397 static Dcm_NegativeResponseCodeType udsReadDtcInfoSub_0x09(const PduInfoType *pduRxData, PduInfoType *pduTxData)\r
 398 {\r
 399         Dcm_NegativeResponseCodeType responseCode = DCM_E_POSITIVERESPONSE;\r
 400 \r
 401         // TODO: Not supported yet, (DEM module does not currently support severity).\r
 402         responseCode = DCM_E_REQUESTOUTOFRANGE;\r
 403 \r
 404         return responseCode;\r
 405 }\r
 406 \r
 407 \r
 408 static Dcm_NegativeResponseCodeType udsReadDtcInfoSub_0x06_0x10(const PduInfoType *pduRxData, PduInfoType *pduTxData)\r
 409 {\r
 410         Dcm_NegativeResponseCodeType responseCode = DCM_E_POSITIVERESPONSE;\r
 411         Dem_DTCOriginType dtcOrigin = NULL;\r
 412         uint8 startRecNum;\r
 413         uint8 endRecNum;\r
 414 \r
 415         // Switch on sub function\r
 416         switch (pduRxData->SduDataPtr[1])       /** @req DCM378 */\r
 417         {\r
 418         case 0x06:      // reportDTCExtendedDataRecordByDTCNumber\r
 419                 dtcOrigin = DEM_DTC_ORIGIN_PRIMARY_MEMORY;\r
 420                 break;\r
 421 \r
 422         case 0x10:      // reportMirrorMemoryDTCExtendedDataRecordByDTCNumber\r
 423                 dtcOrigin = DEM_DTC_ORIGIN_MIRROR_MEMORY;\r
 424                 break;\r
 425 \r
 426         default:\r
 427                 responseCode = DCM_E_SUBFUNCTIONNOTSUPPORTED;\r
 428                 break;\r
 429         }\r
 430 \r
 431         // Switch on record number\r
 432         switch (pduRxData->SduDataPtr[5])\r
 433         {\r
 434         case 0xFF:      // Report all Extended Data Records for a particular DTC\r
 435                 startRecNum = 0x00;\r
 436                 endRecNum = 0xEF;\r
 437                 break;\r
 438 \r
 439         case 0xFE:      // Report all OBD Extended Data Records for a particular DTC\r
 440                 startRecNum = 0x90;\r
 441                 endRecNum = 0xEF;\r
 442                 break;\r
 443 \r
 444         default:        // Report one specific Extended Data Records for a particular DTC\r
 445                 startRecNum = pduRxData->SduDataPtr[5];\r
 446                 endRecNum = startRecNum;\r
 447                 break;\r
 448         }\r
 449 \r
 450         if (responseCode == DCM_E_POSITIVERESPONSE) {\r
 451                 Dem_ReturnGetStatusOfDTCType getStatusOfDtcResult;\r
 452                 uint32 dtc;\r
 453                 Dem_EventStatusExtendedType statusOfDtc;\r
 454 \r
 455                 dtc = BYTES_TO_DTC(pduRxData->SduDataPtr[2], pduRxData->SduDataPtr[3], pduRxData->SduDataPtr[4]);\r
 456                 getStatusOfDtcResult = Dem_GetStatusOfDTC(dtc, DEM_DTC_KIND_ALL_DTCS, dtcOrigin, &statusOfDtc); /** @req DCM295 */ /** @req DCM475 */\r
 457                 if (getStatusOfDtcResult == DEM_STATUS_OK) {\r
 458                         Dem_ReturnGetExtendedDataRecordByDTCType getExtendedDataRecordByDtcResult;\r
 459                         uint16 recNum;\r
 460                         uint8 recLength;\r
 461                         uint16 txIndex = 6;\r
 462 \r
 463                         /** @req DCM297 */ /** @req DCM474 */ /** @req DCM386 */\r
 464                         pduTxData->SduDataPtr[1] = pduRxData->SduDataPtr[1];                    // Sub function\r
 465                         pduTxData->SduDataPtr[2] = DTC_HIGH_BYTE(dtc);                                  // DTC high byte\r
 466                         pduTxData->SduDataPtr[3] = DTC_MID_BYTE(dtc);                                   // DTC mid byte\r
 467                         pduTxData->SduDataPtr[4] = DTC_LOW_BYTE(dtc);                                   // DTC low byte\r
 468                         pduTxData->SduDataPtr[5] = statusOfDtc;                                                 // DTC status\r
 469                         for (recNum = startRecNum; recNum <= endRecNum; recNum++) {\r
 470                                 recLength = pduTxData->SduLength - txIndex -1;  // Calculate what's left in buffer\r
 471                                 /** @req DCM296 */ /** @req DCM476 */ /** @req DCM382 */\r
 472                                 getExtendedDataRecordByDtcResult = Dem_GetExtendedDataRecordByDTC(dtc, DEM_DTC_KIND_ALL_DTCS, dtcOrigin, recNum, &pduTxData->SduDataPtr[txIndex+1], &recLength);\r
 473                                 if (getExtendedDataRecordByDtcResult == DEM_RECORD_OK) {\r
 474                                         pduTxData->SduDataPtr[txIndex++] = recNum;\r
 475                                         /* Instead of calling Dem_GetSizeOfExtendedDataRecordByDTC() the result from Dem_GetExtendedDataRecordByDTC() is used */\r
 476                                         /** @req DCM478 */ /** @req DCM479 */ /** @req DCM480 */\r
 477                                         txIndex += recLength;\r
 478                                 }\r
 479                                 else {\r
 480                                         // TODO: What to do here?\r
 481                                 }\r
 482                         }\r
 483                         pduTxData->SduLength = txIndex;\r
 484                 }\r
 485                 else {\r
 486                         responseCode = DCM_E_REQUESTOUTOFRANGE;\r
 487                 }\r
 488         }\r
 489 \r
 490         return responseCode;\r
 491 }\r
 492 \r
 493 \r
 494 static Dcm_NegativeResponseCodeType udsReadDtcInfoSub_0x03(const PduInfoType *pduRxData, PduInfoType *pduTxData)\r
 495 {\r
 496         Dcm_NegativeResponseCodeType responseCode = DCM_E_POSITIVERESPONSE;\r
 497 \r
 498         // TODO: Not supported yet\r
 499         responseCode = DCM_E_REQUESTOUTOFRANGE;\r
 500 \r
 501         return responseCode;\r
 502 }\r
 503 \r
 504 \r
 505 static Dcm_NegativeResponseCodeType udsReadDtcInfoSub_0x04(const PduInfoType *pduRxData, PduInfoType *pduTxData)\r
 506 {\r
 507         Dcm_NegativeResponseCodeType responseCode = DCM_E_POSITIVERESPONSE;\r
 508 \r
 509         // TODO: Not supported yet\r
 510         responseCode = DCM_E_REQUESTOUTOFRANGE;\r
 511 \r
 512         return responseCode;\r
 513 }\r
 514 \r
 515 \r
 516 static Dcm_NegativeResponseCodeType udsReadDtcInfoSub_0x05(const PduInfoType *pduRxData, PduInfoType *pduTxData)\r
 517 {\r
 518         Dcm_NegativeResponseCodeType responseCode = DCM_E_POSITIVERESPONSE;\r
 519 \r
 520         // TODO: Not supported yet\r
 521         responseCode = DCM_E_REQUESTOUTOFRANGE;\r
 522 \r
 523         return responseCode;\r
 524 }\r
 525 \r
 526 \r
 527 static Dcm_NegativeResponseCodeType udsReadDtcInfoSub_0x0B_0x0C_0x0D_0x0E(const PduInfoType *pduRxData, PduInfoType *pduTxData)\r
 528 {\r
 529         Dcm_NegativeResponseCodeType responseCode = DCM_E_POSITIVERESPONSE;\r
 530 \r
 531         // TODO: Not supported yet\r
 532         responseCode = DCM_E_REQUESTOUTOFRANGE;\r
 533 \r
 534         return responseCode;\r
 535 }\r
 536 \r
 537 \r
 538 static Dcm_NegativeResponseCodeType udsReadDtcInfoSub_0x14(const PduInfoType *pduRxData, PduInfoType *pduTxData)\r
 539 {\r
 540         Dcm_NegativeResponseCodeType responseCode = DCM_E_POSITIVERESPONSE;\r
 541 \r
 542         // TODO: Not supported yet\r
 543         responseCode = DCM_E_REQUESTOUTOFRANGE;\r
 544 \r
 545         return responseCode;\r
 546 }\r
 547 \r
 548 \r
 549 void DspUdsReadDtcInformation(const PduInfoType *pduRxData, PduInfoType *pduTxData)\r
 550 {\r
 551         /** @req DCM248 */\r
 552         // Sub function number         0  1  2  3  4  5  6  7  8  9  A  B  C  D  E  F 10 11 12 13 14 15\r
 553         const uint8 sduLength[0x16] = {0, 3, 3, 6, 6, 3, 6, 4, 4, 5, 2, 2, 2, 2, 2, 3, 6, 3, 3, 3, 2, 2};\r
 554 \r
 555         Dcm_NegativeResponseCodeType responseCode = DCM_E_POSITIVERESPONSE;\r
 556 \r
 557         uint8 subFunctionNumber = pduRxData->SduDataPtr[1];\r
 558 \r
 559         // Check length\r
 560         if (subFunctionNumber <= 0x15) {\r
 561                 if (pduRxData->SduLength == sduLength[subFunctionNumber]) {\r
 562                         switch (subFunctionNumber)\r
 563                         {\r
 564                         case 0x01:      // reportNumberOfDTCByStatusMask\r
 565                         case 0x07:      // reportNumberOfDTCBySeverityMaskRecord\r
 566                         case 0x11:      // reportNumberOfMirrorMemoryDTCByStatusMask\r
 567                         case 0x12:      // reportNumberOfEmissionRelatedOBDDTCByStatusMask\r
 568                                 responseCode = udsReadDtcInfoSub_0x01_0x07_0x11_0x12(pduRxData, pduTxData);\r
 569                                 break;\r
 570 \r
 571                         case 0x02:      // reportDTCByStatusMask\r
 572                         case 0x0A:      // reportSupportedDTC\r
 573                         case 0x0F:      // reportMirrorMemoryDTCByStatusMask\r
 574                         case 0x13:      // reportEmissionRelatedOBDDTCByStatusMask\r
 575                         case 0x15:      // reportDTCWithPermanentStatus\r
 576                                 responseCode = udsReadDtcInfoSub_0x02_0x0A_0x0F_0x13_0x15(pduRxData, pduTxData);\r
 577                                 break;\r
 578 \r
 579                         case 0x08:      // reportDTCBySeverityMaskRecord\r
 580                                 responseCode = udsReadDtcInfoSub_0x08(pduRxData, pduTxData);\r
 581                                 break;\r
 582 \r
 583                         case 0x09:      // reportSeverityInformationOfDTC\r
 584                                 responseCode = udsReadDtcInfoSub_0x09(pduRxData, pduTxData);\r
 585                                 break;\r
 586 \r
 587                         case 0x06:      // reportDTCExtendedDataRecordByDTCNumber\r
 588                         case 0x10:      // reportMirrorMemoryDTCExtendedDataRecordByDTCNumber\r
 589                                 responseCode = udsReadDtcInfoSub_0x06_0x10(pduRxData, pduTxData);\r
 590                                 break;\r
 591 \r
 592                         case 0x03:      // reportDTCSnapshotIdentidication\r
 593                                 responseCode = udsReadDtcInfoSub_0x03(pduRxData, pduTxData);\r
 594                                 break;\r
 595 \r
 596                         case 0x04:      // reportDTCSnapshotByDtcNumber\r
 597                                 responseCode = udsReadDtcInfoSub_0x04(pduRxData, pduTxData);\r
 598                                 break;\r
 599 \r
 600                         case 0x05:      // reportDTCSnapshotRecordNumber\r
 601                                 responseCode = udsReadDtcInfoSub_0x05(pduRxData, pduTxData);\r
 602                                 break;\r
 603 \r
 604                         case 0x0B:      // reportFirstTestFailedDTC\r
 605                         case 0x0C:      // reportFirstConfirmedDTC\r
 606                         case 0x0D:      // reportMostRecentTestFailedDTC\r
 607                         case 0x0E:      // reportMostRecentConfirmedDTC\r
 608                                 responseCode = udsReadDtcInfoSub_0x0B_0x0C_0x0D_0x0E(pduRxData, pduTxData);\r
 609                                 break;\r
 610 \r
 611                         case 0x14:      // reportDTCFaultDetectionCounter\r
 612                                 responseCode = udsReadDtcInfoSub_0x14(pduRxData, pduTxData);\r
 613                                 break;\r
 614 \r
 615                         default:\r
 616                                 // Unknown sub function\r
 617                                 responseCode = DCM_E_REQUESTOUTOFRANGE;\r
 618                                 break;\r
 619                         }\r
 620                 }\r
 621                 else {\r
 622                         // Wrong length\r
 623                         responseCode = DCM_E_INCORRECTMESSAGELENGTHORINVALIDFORMAT;\r
 624                 }\r
 625         }\r
 626         else {\r
 627                 // Sub function out of range\r
 628                 responseCode = DCM_E_REQUESTOUTOFRANGE;\r
 629         }\r
 630 \r
 631         DsdDspProcessingDone(responseCode);\r
 632 }\r
 633 \r
 634 \r
 635 static boolean lookupDid(uint16 didNr, const Dcm_DspDidType **didPtr)\r
 636 {\r
 637         const Dcm_DspDidType *dspDid = DCM_Config.Dsp->DspDid;\r
 638         boolean didFound = FALSE;\r
 639 \r
 640         while ((dspDid->DspDidIdentifier != didNr) &&  !dspDid->Arc_EOL) {\r
 641                 dspDid++;\r
 642         }\r
 643 \r
 644         if (!dspDid->Arc_EOL) {\r
 645                 didFound = TRUE;\r
 646                 *didPtr = dspDid;\r
 647         }\r
 648 \r
 649         return didFound;\r
 650 }\r
 651 \r
 652 \r
 653 static Dcm_NegativeResponseCodeType readDidData(const Dcm_DspDidType *didPtr, PduInfoType *pduTxData, uint16 *txPos)\r
 654 {\r
 655         Dcm_NegativeResponseCodeType responseCode = DCM_E_POSITIVERESPONSE;\r
 656 \r
 657         if ((didPtr->DspDidInfoRef->DspDidAccess.DspDidRead != NULL) && (didPtr->DspDidConditionCheckReadFnc != NULL) && (didPtr->DspDidReadDataFnc != NULL)) { /** @req DCM433 */\r
 658                 if (DspCheckSessionLevel(didPtr->DspDidInfoRef->DspDidAccess.DspDidRead->DspDidReadSessionRef)) { /** @req DCM434 */\r
 659                         if (DspCheckSecurityLevel(didPtr->DspDidInfoRef->DspDidAccess.DspDidRead->DspDidReadSecurityLevelRef)) { /** @req DCM435 */\r
 660                                 Std_ReturnType result;\r
 661                                 Dcm_NegativeResponseCodeType errorCode;\r
 662                                 result = didPtr->DspDidConditionCheckReadFnc(&errorCode);\r
 663                                 if ((result == E_OK) && (errorCode == DCM_E_POSITIVERESPONSE)) {        /** @req DCM439 */\r
 664                                         uint16 didLen;\r
 665                                         result = E_NOT_OK;\r
 666                                         if (didPtr->DspDidInfoRef->DspDidFixedLength) { /** @req DCM436 */\r
 667                                                 didLen = didPtr->DspDidSize;\r
 668                                                 result = E_OK;\r
 669                                         }\r
 670                                         else {\r
 671                                                 if (didPtr->DspDidReadDataLengthFnc != NULL) {\r
 672                                                         result = didPtr->DspDidReadDataLengthFnc(&didLen);\r
 673                                                 }\r
 674                                         }\r
 675 \r
 676                                         if (result == E_OK) {\r
 677                                                 // Now ready for reading the data!\r
 678                                                 if ((*txPos + didLen + 2) <= pduTxData->SduLength) {\r
 679                                                         pduTxData->SduDataPtr[*txPos] = (didPtr->DspDidIdentifier >> 8) & 0xFF;\r
 680                                                         (*txPos)++;\r
 681                                                         pduTxData->SduDataPtr[*txPos] = (didPtr->DspDidIdentifier >> 0) & 0xFF;\r
 682                                                         (*txPos)++;\r
 683                                                         result = didPtr->DspDidReadDataFnc(&pduTxData->SduDataPtr[*txPos]);     /** @req DCM437 */\r
 684                                                         *txPos += didLen;\r
 685 \r
 686                                                         if (result != E_OK) {\r
 687                                                                 responseCode = DCM_E_CONDITIONSNOTCORRECT;\r
 688                                                         }\r
 689                                                 }\r
 690                                                 else { // tx buffer full\r
 691                                                         responseCode = DCM_E_REQUESTOUTOFRANGE;\r
 692                                                 }\r
 693                                         }\r
 694                                         else {  // Not possible to obtain did length\r
 695                                                 responseCode = DCM_E_CONDITIONSNOTCORRECT;\r
 696                                         }\r
 697                                 }\r
 698                                 else {  // CheckRead failed\r
 699                                         responseCode = DCM_E_CONDITIONSNOTCORRECT;\r
 700                                 }\r
 701                         }\r
 702                         else {  // Not allowed in current security level\r
 703                                 responseCode = DCM_E_SECUTITYACCESSDENIED;\r
 704                         }\r
 705                 }\r
 706                 else {  // Not allowed in current session\r
 707                         responseCode = DCM_E_SERVICENOTSUPPORTEDINACTIVESESSION;\r
 708                 }\r
 709         }\r
 710         else {  // Read access not configured\r
 711                 responseCode = DCM_E_REQUESTOUTOFRANGE;\r
 712         }\r
 713 \r
 714         if (responseCode == DCM_E_POSITIVERESPONSE) {\r
 715                 // Recurse trough the rest of the dids.         /** @req DCM440 */\r
 716                 uint16 i;\r
 717                 for (i=0; (!didPtr->DspDidRef[i]->Arc_EOL) && (responseCode == DCM_E_POSITIVERESPONSE); i++) {\r
 718                         responseCode = readDidData(didPtr->DspDidRef[i], pduTxData, txPos);\r
 719                 }\r
 720         }\r
 721 \r
 722         return responseCode;\r
 723 }\r
 724 \r
 725 void DspUdsReadDataByIdentifier(const PduInfoType *pduRxData, PduInfoType *pduTxData)\r
 726 {\r
 727         /** @req DCM253 */\r
 728         Dcm_NegativeResponseCodeType responseCode = DCM_E_POSITIVERESPONSE;\r
 729         uint8 nrOfDids;\r
 730         uint16 didNr;\r
 731         const Dcm_DspDidType *didPtr = NULL;\r
 732 \r
 733         uint16 txPos = 1;\r
 734         uint16 i;\r
 735 \r
 736         if ((pduRxData->SduLength - 1) % 2 == 0 ) {\r
 737                 nrOfDids = (pduRxData->SduLength - 1) / 2;\r
 738 \r
 739                 for (i = 0; (i < nrOfDids) && (responseCode == DCM_E_POSITIVERESPONSE); i++) {\r
 740                         didNr = (pduRxData->SduDataPtr[1+i*2] << 8) + pduRxData->SduDataPtr[2+i*2];\r
 741                         if (lookupDid(didNr, &didPtr)) {        /** @req DCM438 */\r
 742                                 responseCode = readDidData(didPtr, pduTxData, &txPos);\r
 743                         }\r
 744                         else { // DID not found\r
 745                                 responseCode = DCM_E_REQUESTOUTOFRANGE;\r
 746                         }\r
 747                 }\r
 748         }\r
 749         else {\r
 750                 responseCode = DCM_E_INCORRECTMESSAGELENGTHORINVALIDFORMAT;\r
 751         }\r
 752 \r
 753         if (responseCode == DCM_E_POSITIVERESPONSE) {\r
 754                 pduTxData->SduLength = txPos;\r
 755         }\r
 756 \r
 757         DsdDspProcessingDone(responseCode);\r
 758 }\r
 759 \r
 760 \r
 761 static Dcm_NegativeResponseCodeType readDidScalingData(const Dcm_DspDidType *didPtr, PduInfoType *pduTxData, uint16 *txPos)\r
 762 {\r
 763         Dcm_NegativeResponseCodeType responseCode = DCM_E_POSITIVERESPONSE;\r
 764 \r
 765         if (didPtr->DspDidGetScalingInfoFnc != NULL) {\r
 766                 uint16 scalingInfoLen;\r
 767 \r
 768                 scalingInfoLen = didPtr->DspDidInfoRef->DspDidScalingInfoSize;\r
 769                 if ((*txPos + scalingInfoLen + 2) <= pduTxData->SduLength) {\r
 770                         Std_ReturnType result;\r
 771                         Dcm_NegativeResponseCodeType errorCode;\r
 772 \r
 773                         pduTxData->SduDataPtr[*txPos] = (didPtr->DspDidIdentifier >> 8) & 0xFF;\r
 774                         (*txPos)++;\r
 775                         pduTxData->SduDataPtr[*txPos] = (didPtr->DspDidIdentifier >> 0) & 0xFF;\r
 776                         (*txPos)++;\r
 777                         result = didPtr->DspDidGetScalingInfoFnc(&pduTxData->SduDataPtr[*txPos], &errorCode);   /** @req DCM394 */\r
 778                         *txPos += scalingInfoLen;\r
 779 \r
 780                         if ((result != E_OK) || (errorCode != DCM_E_POSITIVERESPONSE)) {\r
 781                                 responseCode = DCM_E_CONDITIONSNOTCORRECT;\r
 782                         }\r
 783                 }\r
 784                 else { // tx buffer full\r
 785                         responseCode = DCM_E_REQUESTOUTOFRANGE;\r
 786                 }\r
 787         }\r
 788         else {  // DspDidGetScalingInfoFnc null pointer\r
 789                 responseCode = DCM_E_CONDITIONSNOTCORRECT;\r
 790         }\r
 791 \r
 792         return responseCode;\r
 793 }\r
 794 \r
 795 void DspUdsReadScalingDataByIdentifier(const PduInfoType *pduRxData, PduInfoType *pduTxData)\r
 796 {\r
 797         /** @req DCM258 */\r
 798         Dcm_NegativeResponseCodeType responseCode = DCM_E_POSITIVERESPONSE;\r
 799         uint16 didNr;\r
 800         const Dcm_DspDidType *didPtr = NULL;\r
 801 \r
 802         uint16 txPos = 1;\r
 803 \r
 804         if (pduRxData->SduLength == 3) {\r
 805                 didNr = (pduRxData->SduDataPtr[1] << 8) + pduRxData->SduDataPtr[2];\r
 806                 if (lookupDid(didNr, &didPtr)) {\r
 807                         responseCode = readDidScalingData(didPtr, pduTxData, &txPos);\r
 808                 }\r
 809                 else { // DID not found\r
 810                         responseCode = DCM_E_REQUESTOUTOFRANGE;\r
 811                 }\r
 812 \r
 813                 if (responseCode == DCM_E_POSITIVERESPONSE) {\r
 814                         pduTxData->SduLength = txPos;\r
 815                 }\r
 816         }\r
 817         else {\r
 818                 // Length not ok\r
 819                 responseCode = DCM_E_INCORRECTMESSAGELENGTHORINVALIDFORMAT;\r
 820         }\r
 821 \r
 822         DsdDspProcessingDone(responseCode);\r
 823 }\r
 824 \r
 825 \r
 826 static Dcm_NegativeResponseCodeType writeDidData(const Dcm_DspDidType *didPtr, const PduInfoType *pduRxData, uint16 writeDidLen)\r
 827 {\r
 828         Dcm_NegativeResponseCodeType responseCode = DCM_E_POSITIVERESPONSE;\r
 829 \r
 830         if ((didPtr->DspDidInfoRef->DspDidAccess.DspDidWrite != NULL) && (didPtr->DspDidConditionCheckWriteFnc != NULL) && (didPtr->DspDidWriteDataFnc != NULL)) {      /** @req DCM468 */\r
 831                 if (DspCheckSessionLevel(didPtr->DspDidInfoRef->DspDidAccess.DspDidWrite->DspDidWriteSessionRef)) { /** @req DCM469 */\r
 832                         if (DspCheckSecurityLevel(didPtr->DspDidInfoRef->DspDidAccess.DspDidWrite->DspDidWriteSecurityLevelRef)) { /** @req DCM470 */\r
 833                                 Std_ReturnType result;\r
 834                                 Dcm_NegativeResponseCodeType errorCode;\r
 835                                 result = didPtr->DspDidConditionCheckWriteFnc(&errorCode);      /** @req DCM471 */\r
 836                                 if ((result == E_OK) && (errorCode == DCM_E_POSITIVERESPONSE)) {\r
 837                                         uint16 didLen;\r
 838                                         result = E_NOT_OK;\r
 839                                         if (didPtr->DspDidInfoRef->DspDidFixedLength) { /** @req DCM472 */\r
 840                                                 didLen = didPtr->DspDidSize;\r
 841                                                 result = E_OK;\r
 842                                         }\r
 843                                         else {\r
 844                                                 if (didPtr->DspDidReadDataLengthFnc != NULL) {\r
 845                                                         result = didPtr->DspDidReadDataLengthFnc(&didLen);\r
 846                                                 }\r
 847                                         }\r
 848 \r
 849                                         if (result == E_OK) {\r
 850                                                 if (didLen == writeDidLen) {    /** @req DCM473 */\r
 851                                                         result = didPtr->DspDidWriteDataFnc(&pduRxData->SduDataPtr[3], didLen, &errorCode);     /** @req DCM395 */\r
 852                                                         if ((result != E_OK) || (errorCode != DCM_E_POSITIVERESPONSE)) {\r
 853                                                                 responseCode = DCM_E_CONDITIONSNOTCORRECT;\r
 854                                                         }\r
 855                                                 }\r
 856                                                 else {\r
 857                                                         responseCode = DCM_E_INCORRECTMESSAGELENGTHORINVALIDFORMAT;\r
 858                                                 }\r
 859                                         }\r
 860                                         else {  // Not possible to obtain did length\r
 861                                                 responseCode = DCM_E_CONDITIONSNOTCORRECT;\r
 862                                         }\r
 863                                 }\r
 864                                 else {  // CheckRead failed\r
 865                                         responseCode = DCM_E_CONDITIONSNOTCORRECT;\r
 866                                 }\r
 867                         }\r
 868                         else {  // Not allowed in current security level\r
 869                                 responseCode = DCM_E_SECUTITYACCESSDENIED;\r
 870                         }\r
 871                 }\r
 872                 else {  // Not allowed in current session\r
 873                         responseCode = DCM_E_SERVICENOTSUPPORTEDINACTIVESESSION;\r
 874                 }\r
 875         }\r
 876         else {  // Read access not configured\r
 877                 responseCode = DCM_E_REQUESTOUTOFRANGE;\r
 878         }\r
 879 \r
 880         return responseCode;\r
 881 }\r
 882 \r
 883 void DspUdsWriteDataByIdentifier(const PduInfoType *pduRxData, PduInfoType *pduTxData)\r
 884 {\r
 885         /** @req DCM255 */\r
 886         Dcm_NegativeResponseCodeType responseCode = DCM_E_POSITIVERESPONSE;\r
 887         uint16 didNr;\r
 888         const Dcm_DspDidType *didPtr = NULL;\r
 889 \r
 890         uint16 didDataLength;\r
 891 \r
 892         didDataLength = pduRxData->SduLength - 3;\r
 893         didNr = (pduRxData->SduDataPtr[1] << 8) + pduRxData->SduDataPtr[2];\r
 894         if (lookupDid(didNr, &didPtr)) {        /** @req DCM467 */\r
 895                 responseCode = writeDidData(didPtr, pduRxData, didDataLength);\r
 896         }\r
 897         else { // DID not found\r
 898                 responseCode = DCM_E_REQUESTOUTOFRANGE;\r
 899         }\r
 900 \r
 901         if (responseCode == DCM_E_POSITIVERESPONSE) {\r
 902                 pduTxData->SduLength = 3;\r
 903                 pduTxData->SduDataPtr[1] = (didNr >> 8) & 0xFF;\r
 904                 pduTxData->SduDataPtr[2] = (didNr >> 0) & 0xFF;\r
 905         }\r
 906 \r
 907         DsdDspProcessingDone(responseCode);\r
 908 }\r
 909 \r
 910 \r
 911 void DspUdsSecurityAccess(const PduInfoType *pduRxData, PduInfoType *pduTxData)\r
 912 {\r
 913         /** @req DCM252 */\r
 914         Dcm_NegativeResponseCodeType responseCode = DCM_E_POSITIVERESPONSE;\r
 915 \r
 916         // Check sub function range (0x01 to 0x42)\r
 917         if ((pduRxData->SduDataPtr[1] >= 0x01) && (pduRxData->SduDataPtr[1] <= 0x42)) {\r
 918                 boolean isRequestSeed = pduRxData->SduDataPtr[1] & 0x01;\r
 919                 Dcm_SecLevelType requestedSecurityLevel = (pduRxData->SduDataPtr[1]-1)/2;\r
 920                 Dcm_NegativeResponseCodeType getSeedErrorCode;\r
 921 \r
 922                 if (isRequestSeed) {\r
 923                         // requestSeed message\r
 924                         // Check if type exist in security table\r
 925                         const Dcm_DspSecurityRowType *securityRow = &DCM_Config.Dsp->DspSecurity->DspSecurityRow[0];\r
 926                         while ((securityRow->DspSecurityLevel != requestedSecurityLevel) && !securityRow->Arc_EOL) {\r
 927                                 securityRow++;\r
 928                         }\r
 929                         if (!securityRow->Arc_EOL) {\r
 930                                 // Check length\r
 931                                 if (pduRxData->SduLength == (2 + securityRow->DspSecurityADRSize)) {    /** @req DCM321.RequestSeed */\r
 932                                         Dcm_SecLevelType activeSecLevel;\r
 933                                         Dcm_GetSecurityLevel(&activeSecLevel);\r
 934                                         if (requestedSecurityLevel == activeSecLevel) {         /** @req DCM323 */\r
 935                                                 pduTxData->SduDataPtr[1] = pduRxData->SduDataPtr[1];\r
 936                                                 // If same level set the seed to zeroes\r
 937                                                 memset(&pduTxData->SduDataPtr[2], 0, securityRow->DspSecuritySeedSize);\r
 938                                                 pduTxData->SduLength = 2 + securityRow->DspSecuritySeedSize;\r
 939                                         }\r
 940                                         else {\r
 941                                                 // New security level ask for seed\r
 942                                                 if (securityRow->GetSeed != NULL) {\r
 943                                                         Std_ReturnType getSeedResult;\r
 944                                                         getSeedResult = securityRow->GetSeed(&pduRxData->SduDataPtr[2], &pduTxData->SduDataPtr[2], &getSeedErrorCode); /** @req DCM324.RequestSeed */\r
 945                                                         if ((getSeedResult == E_OK) && (getSeedErrorCode == E_OK)) {\r
 946                                                                 // Everything ok add sub function to tx message and send it.\r
 947                                                                 pduTxData->SduDataPtr[1] = pduRxData->SduDataPtr[1];\r
 948                                                                 pduTxData->SduLength = 2 + securityRow->DspSecuritySeedSize;\r
 949 \r
 950                                                                 dspUdsSecurityAccesData.reqSecLevel = requestedSecurityLevel;\r
 951                                                                 dspUdsSecurityAccesData.reqSecLevelRef = securityRow;\r
 952                                                                 dspUdsSecurityAccesData.reqInProgress = TRUE;\r
 953                                                         }\r
 954                                                         else {\r
 955                                                                 // GetSeed returned not ok\r
 956                                                                 responseCode = DCM_E_INCORRECTMESSAGELENGTHORINVALIDFORMAT;\r
 957                                                         }\r
 958                                                 } else {\r
 959                                                         responseCode = DCM_E_INCORRECTMESSAGELENGTHORINVALIDFORMAT;\r
 960                                                 }\r
 961                                         }\r
 962                                 }\r
 963                                 else {\r
 964                                         // Length not ok\r
 965                                         responseCode = DCM_E_INCORRECTMESSAGELENGTHORINVALIDFORMAT;\r
 966                                 }\r
 967                         }\r
 968                         else {\r
 969                                 // Requested security level not configured\r
 970                                 responseCode = DCM_E_INCORRECTMESSAGELENGTHORINVALIDFORMAT;\r
 971                         }\r
 972                 }\r
 973                 else {\r
 974                         // sendKey message\r
 975                         if (dspUdsSecurityAccesData.reqInProgress) {\r
 976                                 if (pduRxData->SduLength == (2 + dspUdsSecurityAccesData.reqSecLevelRef->DspSecurityKeySize)) { /** @req DCM321.SendKey */\r
 977                                         if (requestedSecurityLevel == dspUdsSecurityAccesData.reqSecLevel) {\r
 978                                                 if (dspUdsSecurityAccesData.reqSecLevelRef->CompareKey != NULL) {\r
 979                                                         Std_ReturnType compareKeyResult;\r
 980                                                         compareKeyResult = dspUdsSecurityAccesData.reqSecLevelRef->CompareKey(&pduRxData->SduDataPtr[2]); /** @req DCM324.SendKey */\r
 981                                                         if (compareKeyResult == E_OK) {\r
 982                                                                 // Request accepted\r
 983                                                                 // Kill timer\r
 984                                                                 DslSetSecurityLevel(dspUdsSecurityAccesData.reqSecLevelRef->DspSecurityLevel); /** @req DCM325 */\r
 985                                                                 dspUdsSecurityAccesData.reqInProgress = FALSE;\r
 986                                                                 pduTxData->SduDataPtr[1] = pduRxData->SduDataPtr[1];\r
 987                                                                 pduTxData->SduLength = 2;\r
 988                                                         }\r
 989                                                         else {\r
 990                                                                 responseCode = DCM_E_CONDITIONSNOTCORRECT;\r
 991                                                         }\r
 992                                                 } else {\r
 993                                                         responseCode = DCM_E_CONDITIONSNOTCORRECT;\r
 994                                                 }\r
 995                                         }\r
 996                                         else {\r
 997                                                 responseCode = DCM_E_CONDITIONSNOTCORRECT;\r
 998                                         }\r
 999                                 }\r
1000                                 else {\r
1001                                         // Length not ok\r
1002                                         responseCode = DCM_E_INCORRECTMESSAGELENGTHORINVALIDFORMAT;\r
1003                                 }\r
1004                         }\r
1005                         else {\r
1006                                 // sendKey request without a preceding requestSeed\r
1007                                 responseCode = DCM_E_REQUESTSEQUENCEERROR;\r
1008                         }\r
1009                 }\r
1010         }\r
1011         else {\r
1012                 responseCode = DCM_E_SUBFUNCTIONNOTSUPPORTED;\r
1013         }\r
1014 \r
1015         DsdDspProcessingDone(responseCode);\r
1016 }\r
1017 \r
1018 \r
1019 void DspUdsTesterPresent(const PduInfoType *pduRxData, PduInfoType *pduTxData)\r
1020 {\r
1021         /** @req DCM251 */\r
1022         if (pduRxData->SduLength == 2) {\r
1023                 switch (pduRxData->SduDataPtr[1])\r
1024                 {\r
1025                 case ZERO_SUB_FUNCTION:\r
1026                         DslResetSessionTimeoutTimer();\r
1027                         // Create positive response\r
1028                         pduTxData->SduDataPtr[1] = ZERO_SUB_FUNCTION;\r
1029                         pduTxData->SduLength = 2;\r
1030                         DsdDspProcessingDone(DCM_E_POSITIVERESPONSE);\r
1031                         break;\r
1032 \r
1033                 default:\r
1034                         DsdDspProcessingDone(DCM_E_SUBFUNCTIONNOTSUPPORTED);\r
1035                         break;\r
1036                 }\r
1037         }\r
1038         else {\r
1039                 // Wrong length\r
1040                 DsdDspProcessingDone(DCM_E_INCORRECTMESSAGELENGTHORINVALIDFORMAT);\r
1041         }\r
1042 }\r
1043 \r
1044 \r
1045 void DspUdsControlDtcSetting(const PduInfoType *pduRxData, PduInfoType *pduTxData)\r
1046 {\r
1047         /** @req DCM249 */\r
1048         Dem_ReturnControlDTCStorageType resultCode;\r
1049 \r
1050         if (pduRxData->SduLength == 2) {\r
1051                 switch (pduRxData->SduDataPtr[1])\r
1052                 {\r
1053                 case 0x01:      // ON\r
1054                         resultCode = Dem_EnableDTCStorage(DEM_DTC_GROUP_ALL_DTCS, DEM_DTC_KIND_ALL_DTCS);               /** @req DCM304 */\r
1055                         if (resultCode == DEM_CONTROL_DTC_STORAGE_OK) {\r
1056                                 pduTxData->SduDataPtr[1] = 0x01;\r
1057                                 pduTxData->SduLength = 2;\r
1058                                 DsdDspProcessingDone(DCM_E_POSITIVERESPONSE);\r
1059                         }\r
1060                         else {\r
1061                                 DsdDspProcessingDone(DCM_E_REQUESTOUTOFRANGE);\r
1062                         }\r
1063                         break;\r
1064 \r
1065                 case 0x02:      // OFF\r
1066                         resultCode = Dem_DisableDTCStorage(DEM_DTC_GROUP_ALL_DTCS, DEM_DTC_KIND_ALL_DTCS);              /** @req DCM406 */\r
1067                         if (resultCode == DEM_CONTROL_DTC_STORAGE_OK) {\r
1068                                 pduTxData->SduDataPtr[1] = 0x02;\r
1069                                 pduTxData->SduLength = 2;\r
1070                                 DsdDspProcessingDone(DCM_E_POSITIVERESPONSE);\r
1071                         }\r
1072                         else {\r
1073                                 DsdDspProcessingDone(DCM_E_REQUESTOUTOFRANGE);\r
1074                         }\r
1075                         break;\r
1076 \r
1077                 default:\r
1078                         DsdDspProcessingDone(DCM_E_SUBFUNCTIONNOTSUPPORTED);\r
1079                         break;\r
1080                 }\r
1081         }\r
1082         else {\r
1083                 // Wrong length\r
1084                 DsdDspProcessingDone(DCM_E_INCORRECTMESSAGELENGTHORINVALIDFORMAT);\r
1085         }\r
1086 }\r
1087 \r
1088 \r
1089 void DspDcmConfirmation(PduIdType confirmPduId)\r
1090 {\r
1091         if (dspUdsEcuResetData.resetPending) {\r
1092                 if (confirmPduId == dspUdsEcuResetData.resetPduId) {\r
1093                         dspUdsEcuResetData.resetPending = FALSE;\r
1094 #if ( MCU_PERFORM_RESET_API == STD_ON )\r
1095                         Mcu_PerformReset();\r
1096 #else\r
1097                         DET_REPORTERROR(MODULE_ID_DCM, 0, DCM_UDS_RESET_ID, DCM_E_NOT_SUPPORTED);\r
1098 #endif\r
1099                 }\r
1100         }\r
1101 }\r
1102 \r
1103 \r
1104 \r