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 #if defined(USE_MCU)\r
  32 #include "Mcu.h"\r
  33 #endif\r
  34 \r
  35 #define ZERO_SUB_FUNCTION                       0x00\r
  36 \r
  37 /*\r
  38  * Macros\r
  39  */\r
  40 #define BYTES_TO_DTC(hb, mb, lb)        (((uint32)(hb) << 16) | ((uint32)(mb) << 8) | (uint32)(lb))\r
  41 #define DTC_HIGH_BYTE(dtc)                      (((uint32)(dtc) >> 16) & 0xFFu)\r
  42 #define DTC_MID_BYTE(dtc)                       (((uint32)(dtc) >> 8) & 0xFFu)\r
  43 #define DTC_LOW_BYTE(dtc)                       ((uint32)(dtc) & 0xFFu)\r
  44 \r
  45 \r
  46 typedef struct {\r
  47         boolean resetPending;\r
  48         PduIdType resetPduId;\r
  49 } DspUdsEcuResetDataType;\r
  50 \r
  51 static DspUdsEcuResetDataType dspUdsEcuResetData;\r
  52 \r
  53 \r
  54 typedef struct {\r
  55         boolean                                                 reqInProgress;\r
  56         Dcm_SecLevelType                                reqSecLevel;\r
  57         const Dcm_DspSecurityRowType    *reqSecLevelRef;\r
  58 } DspUdsSecurityAccessDataType;\r
  59 \r
  60 static DspUdsSecurityAccessDataType dspUdsSecurityAccesData;\r
  61 \r
  62 \r
  63 void DspInit(void)\r
  64 {\r
  65         dspUdsSecurityAccesData.reqInProgress = FALSE;\r
  66         dspUdsEcuResetData.resetPending = FALSE;\r
  67 }\r
  68 \r
  69 \r
  70 void DspMain(void)\r
  71 {\r
  72 \r
  73 }\r
  74 \r
  75 \r
  76 boolean DspCheckSessionLevel(Dcm_DspSessionRowType const* const* sessionLevelRefTable)\r
  77 {\r
  78         Std_ReturnType returnStatus;\r
  79         boolean levelFound = FALSE;\r
  80         Dcm_SesCtrlType currentSession;\r
  81 \r
  82         returnStatus = DslGetSesCtrlType(&currentSession);\r
  83         if (returnStatus == E_OK) {\r
  84                 while ( ((*sessionLevelRefTable)->DspSessionLevel != currentSession) && (!(*sessionLevelRefTable)->Arc_EOL) ) {\r
  85                         sessionLevelRefTable++;\r
  86                 }\r
  87 \r
  88                 if (!(*sessionLevelRefTable)->Arc_EOL) {\r
  89                         levelFound = TRUE;\r
  90                 }\r
  91         }\r
  92 \r
  93         return levelFound;\r
  94 }\r
  95 \r
  96 \r
  97 boolean DspCheckSecurityLevel(Dcm_DspSecurityRowType const* const* securityLevelRefTable)\r
  98 {\r
  99         Std_ReturnType returnStatus;\r
 100         boolean levelFound = FALSE;\r
 101         Dcm_SecLevelType currentSecurityLevel;\r
 102 \r
 103         returnStatus = DslGetSecurityLevel(&currentSecurityLevel);\r
 104         if (returnStatus == E_OK) {\r
 105                 while ( ((*securityLevelRefTable)->DspSecurityLevel != currentSecurityLevel) && (!(*securityLevelRefTable)->Arc_EOL) ) {\r
 106                         securityLevelRefTable++;\r
 107                 }\r
 108                 if (!(*securityLevelRefTable)->Arc_EOL) {\r
 109                         levelFound = TRUE;\r
 110                 }\r
 111         }\r
 112 \r
 113         return levelFound;\r
 114 }\r
 115 \r
 116 \r
 117 static Std_ReturnType askApplicationForSessionPermission(Dcm_SesCtrlType newSessionLevel)\r
 118 {\r
 119         Std_ReturnType returnCode = E_OK;\r
 120         const Dcm_DslSessionControlType *sesControl = DCM_Config.Dsl->DslSessionControl;\r
 121         Dcm_SesCtrlType currentSessionLevel;\r
 122         Std_ReturnType result;\r
 123 \r
 124         while ( (!sesControl->Arc_EOL) && (returnCode != E_SESSION_NOT_ALLOWED)) {\r
 125                 if (sesControl->GetSesChgPermission != NULL) {\r
 126                         result = Dcm_GetSesCtrlType(&currentSessionLevel);\r
 127                         if (result == E_OK) {\r
 128                                 result = sesControl->GetSesChgPermission(currentSessionLevel ,newSessionLevel);\r
 129                                 if (result != E_OK) {\r
 130                                         returnCode = result;\r
 131                                 }\r
 132                         } else {\r
 133                                 returnCode = E_NOT_OK;\r
 134                         }\r
 135                 }\r
 136                 sesControl++;\r
 137         }\r
 138 \r
 139         return returnCode;\r
 140 }\r
 141 \r
 142 \r
 143 void DspUdsDiagnosticSessionControl(const PduInfoType *pduRxData, PduInfoType *pduTxData)\r
 144 {\r
 145         /** @req DCM250 */\r
 146         const Dcm_DspSessionRowType *sessionRow = DCM_Config.Dsp->DspSession->DspSessionRow;\r
 147         Dcm_SesCtrlType reqSessionType;\r
 148         Std_ReturnType result;\r
 149 \r
 150         if (pduRxData->SduLength == 2) {\r
 151                 reqSessionType = pduRxData->SduDataPtr[1];\r
 152                 // Check if type exist in session table\r
 153                 while ((sessionRow->DspSessionLevel != reqSessionType) && (!sessionRow->Arc_EOL) ) {\r
 154                         sessionRow++;\r
 155                 }\r
 156 \r
 157                 if (!sessionRow->Arc_EOL) {\r
 158                         result = askApplicationForSessionPermission(reqSessionType);\r
 159                         if (result == E_OK) {\r
 160                                 DslSetSesCtrlType(reqSessionType);              /** @req DCM311 */\r
 161                                 // Create positive response\r
 162                                 pduTxData->SduDataPtr[1] = reqSessionType;\r
 163                                 pduTxData->SduLength = 2;\r
 164                                 DsdDspProcessingDone(DCM_E_POSITIVERESPONSE);\r
 165                         }\r
 166                         else {\r
 167                                 // TODO: Add handling of special case of E_FORCE_RCRRP (Dcm138)\r
 168                                 DsdDspProcessingDone(DCM_E_CONDITIONSNOTCORRECT);       /** @req DCM308 */\r
 169                         }\r
 170                 }\r
 171                 else {\r
 172                         DsdDspProcessingDone(DCM_E_SUBFUNCTIONNOTSUPPORTED);    /** @req DCM307 */\r
 173                 }\r
 174         }\r
 175         else {\r
 176                 // Wrong length\r
 177                 DsdDspProcessingDone(DCM_E_INCORRECTMESSAGELENGTHORINVALIDFORMAT);\r
 178         }\r
 179 }\r
 180 \r
 181 \r
 182 void DspUdsEcuReset(const PduInfoType *pduRxData, PduIdType txPduId, PduInfoType *pduTxData)\r
 183 {\r
 184         /** @req DCM260 */\r
 185         uint8 reqResetType;\r
 186 \r
 187         if (pduRxData->SduLength == 2) {\r
 188                 reqResetType = pduRxData->SduDataPtr[1];\r
 189 \r
 190                 switch (reqResetType)\r
 191                 {\r
 192                 case 0x01:      // Hard reset\r
 193                         // TODO: Ask application for permission (Dcm373) (Dcm375) (Dcm377)\r
 194 \r
 195                         // Schedule the reset\r
 196                         dspUdsEcuResetData.resetPending = TRUE;\r
 197                         dspUdsEcuResetData.resetPduId = txPduId;\r
 198 \r
 199                         // Create positive response\r
 200                         pduTxData->SduDataPtr[1] = reqResetType;\r
 201                         pduTxData->SduLength = 2;\r
 202                         DsdDspProcessingDone(DCM_E_POSITIVERESPONSE);\r
 203                         break;\r
 204 \r
 205                 default:\r
 206                         DsdDspProcessingDone(DCM_E_SUBFUNCTIONNOTSUPPORTED);\r
 207                         break;\r
 208                 }\r
 209         }\r
 210         else {\r
 211                 // Wrong length\r
 212                 DsdDspProcessingDone(DCM_E_INCORRECTMESSAGELENGTHORINVALIDFORMAT);\r
 213         }\r
 214 }\r
 215 \r
 216 \r
 217 void DspUdsClearDiagnosticInformation(const PduInfoType *pduRxData, PduInfoType *pduTxData)\r
 218 {\r
 219         /** @req DCM247 */\r
 220         uint32 dtc;\r
 221         Dem_ReturnClearDTCType result;\r
 222 \r
 223         if (pduRxData->SduLength == 4) {\r
 224                 dtc = BYTES_TO_DTC(pduRxData->SduDataPtr[1], pduRxData->SduDataPtr[2], pduRxData->SduDataPtr[3]);\r
 225 \r
 226                 result = Dem_ClearDTC(dtc, DEM_DTC_KIND_ALL_DTCS, DEM_DTC_ORIGIN_PRIMARY_MEMORY); /** @req DCM005 */\r
 227 \r
 228                 switch (result)\r
 229                 {\r
 230                 case DEM_CLEAR_OK:\r
 231                         // Create positive response\r
 232                         pduTxData->SduLength = 1;\r
 233                         DsdDspProcessingDone(DCM_E_POSITIVERESPONSE);\r
 234                         break;\r
 235 \r
 236                 default:\r
 237                         DsdDspProcessingDone(DCM_E_REQUESTOUTOFRANGE);\r
 238                         break;\r
 239                 }\r
 240         }\r
 241         else {\r
 242                 // Wrong length\r
 243                 DsdDspProcessingDone(DCM_E_INCORRECTMESSAGELENGTHORINVALIDFORMAT);\r
 244         }\r
 245 }\r
 246 \r
 247 \r
 248 static Dcm_NegativeResponseCodeType udsReadDtcInfoSub_0x01_0x07_0x11_0x12(const PduInfoType *pduRxData, PduInfoType *pduTxData)\r
 249 {\r
 250         typedef struct {\r
 251                 uint8           SID;\r
 252                 uint8           reportType;\r
 253                 uint8           dtcStatusAvailabilityMask;\r
 254                 uint8           dtcFormatIdentifier;\r
 255                 uint8           dtcCountHighByte;\r
 256                 uint8           dtcCountLowByte;\r
 257         } TxDataType;\r
 258 \r
 259         Dcm_NegativeResponseCodeType responseCode = DCM_E_POSITIVERESPONSE;\r
 260         Dem_ReturnSetDTCFilterType setDtcFilterResult;\r
 261 \r
 262         // Setup the DTC filter\r
 263         switch (pduRxData->SduDataPtr[1])       /** @req DCM293 */\r
 264         {\r
 265         case 0x01:      // reportNumberOfDTCByStatusMask\r
 266                 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
 267                 break;\r
 268 \r
 269         case 0x07:      // reportNumberOfDTCBySeverityMaskRecord\r
 270                 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
 271                 break;\r
 272 \r
 273         case 0x11:      // reportNumberOfMirrorMemoryDTCByStatusMask\r
 274                 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
 275                 break;\r
 276 \r
 277         case 0x12:      // reportNumberOfEmissionRelatedOBDDTCByStatusMask\r
 278                 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
 279                 break;\r
 280 \r
 281         default:\r
 282                 setDtcFilterResult = DEM_WRONG_FILTER;\r
 283                 break;\r
 284         }\r
 285 \r
 286         if (setDtcFilterResult == DEM_FILTER_ACCEPTED) {\r
 287                 Std_ReturnType result;\r
 288                 Dem_ReturnGetNumberOfFilteredDTCType getNumerResult;\r
 289                 uint16 numberOfFilteredDtc;\r
 290                 uint8 dtcStatusMask;\r
 291                 //lint -e826    PC-Lint exception - Suspicious pointer conversion\r
 292                 //lint -e927    PC-Lint exception - Pointer to pointer cast\r
 293                 TxDataType *txData = (TxDataType*)pduTxData->SduDataPtr;\r
 294 \r
 295                 /** @req DCM376 */\r
 296                 getNumerResult = Dem_GetNumberOfFilteredDtc(&numberOfFilteredDtc);\r
 297                 if (getNumerResult == DEM_NUMBER_OK) {\r
 298                         result = Dem_GetDTCStatusAvailabilityMask(&dtcStatusMask);\r
 299                         if (result != E_OK) {\r
 300                                 dtcStatusMask = 0;\r
 301                         }\r
 302 \r
 303                         // Create positive response (ISO 14229-1 table 251)\r
 304                         txData->reportType = pduRxData->SduDataPtr[1];                                          // reportType\r
 305                         txData->dtcStatusAvailabilityMask = dtcStatusMask;                                      // DTCStatusAvailabilityMask\r
 306                         txData->dtcFormatIdentifier = Dem_GetTranslationType();                         // DTCFormatIdentifier\r
 307                         txData->dtcCountHighByte = (numberOfFilteredDtc >> 8);                          // DTCCount high byte\r
 308                         txData->dtcCountLowByte = (numberOfFilteredDtc & 0xFFu);                        // DTCCount low byte\r
 309                         pduTxData->SduLength = 6;\r
 310                 } else {\r
 311                         // TODO: What to do?\r
 312                         responseCode = DCM_E_GENERALREJECT;\r
 313                 }\r
 314         }\r
 315         else {\r
 316                 responseCode = DCM_E_REQUESTOUTOFRANGE;\r
 317         }\r
 318 \r
 319         return responseCode;\r
 320 }\r
 321 \r
 322 \r
 323 static Dcm_NegativeResponseCodeType udsReadDtcInfoSub_0x02_0x0A_0x0F_0x13_0x15(const PduInfoType *pduRxData, PduInfoType *pduTxData)\r
 324 {\r
 325         Dcm_NegativeResponseCodeType responseCode = DCM_E_POSITIVERESPONSE;\r
 326         Dem_ReturnSetDTCFilterType setDtcFilterResult;\r
 327 \r
 328         typedef struct {\r
 329                 uint8           dtcHighByte;\r
 330                 uint8           dtcMiddleByte;\r
 331                 uint8           dtcLowByte;\r
 332                 uint8           statusOfDtc;\r
 333         } dtcAndStatusRecordType;\r
 334 \r
 335         typedef struct {\r
 336                 uint8                                   SID;\r
 337                 uint8                                   reportType;\r
 338                 uint8                                   dtcStatusAvailabilityMask;\r
 339                 dtcAndStatusRecordType  dtcAndStatusRecord[];\r
 340         } TxDataType;\r
 341 \r
 342         // Setup the DTC filter\r
 343         switch (pduRxData->SduDataPtr[1])       /** @req DCM378 */\r
 344         {\r
 345         case 0x02:      // reportDTCByStatusMask\r
 346                 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
 347                 break;\r
 348 \r
 349         case 0x0A:      // reportSupportedDTC\r
 350                 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
 351                 break;\r
 352 \r
 353         case 0x0F:      // reportMirrorMemoryDTCByStatusMask\r
 354                 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
 355                 break;\r
 356 \r
 357         case 0x13:      // reportEmissionRelatedOBDDTCByStatusMask\r
 358                 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
 359                 break;\r
 360 \r
 361         case 0x15:      // reportDTCWithPermanentStatus\r
 362                 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
 363                 break;\r
 364 \r
 365         default:\r
 366                 setDtcFilterResult = DEM_WRONG_FILTER;\r
 367                 break;\r
 368         }\r
 369 \r
 370         if (setDtcFilterResult == DEM_FILTER_ACCEPTED) {\r
 371                 uint8 dtcStatusMask;\r
 372                 //lint -e826    PC-Lint exception - Suspicious pointer conversion\r
 373                 //lint -e927    PC-Lint exception - Pointer to pointer cast\r
 374                 TxDataType *txData = (TxDataType*)pduTxData->SduDataPtr;\r
 375                 Dem_ReturnGetNextFilteredDTCType getNextFilteredDtcResult;\r
 376                 uint32 dtc;\r
 377                 Dem_EventStatusExtendedType dtcStatus;\r
 378                 uint16 nrOfDtcs = 0;\r
 379                 Std_ReturnType result;\r
 380 \r
 381                 /** @req DCM377 */\r
 382                 result = Dem_GetDTCStatusAvailabilityMask(&dtcStatusMask);\r
 383                 if (result != E_OK) {\r
 384                         dtcStatusMask = 0;\r
 385                 }\r
 386 \r
 387                 // Create positive response (ISO 14229-1 table 252)\r
 388                 txData->reportType = pduRxData->SduDataPtr[1];\r
 389                 txData->dtcStatusAvailabilityMask = dtcStatusMask;\r
 390 \r
 391                 if (dtcStatusMask != 0x00) {    /** @req DCM008 */\r
 392                         getNextFilteredDtcResult = Dem_GetNextFilteredDTC(&dtc, &dtcStatus);\r
 393                         while (getNextFilteredDtcResult == DEM_FILTERED_OK) {\r
 394                                 txData->dtcAndStatusRecord[nrOfDtcs].dtcHighByte = DTC_HIGH_BYTE(dtc);\r
 395                                 txData->dtcAndStatusRecord[nrOfDtcs].dtcMiddleByte = DTC_MID_BYTE(dtc);\r
 396                                 txData->dtcAndStatusRecord[nrOfDtcs].dtcLowByte = DTC_LOW_BYTE(dtc);\r
 397                                 txData->dtcAndStatusRecord[nrOfDtcs].statusOfDtc = dtcStatus;\r
 398                                 nrOfDtcs++;\r
 399                                 getNextFilteredDtcResult = Dem_GetNextFilteredDTC(&dtc, &dtcStatus);\r
 400                         }\r
 401 \r
 402                         if (getNextFilteredDtcResult != DEM_FILTERED_NO_MATCHING_DTC) {\r
 403                                 responseCode = DCM_E_REQUESTOUTOFRANGE;\r
 404                         }\r
 405                 }\r
 406                 pduTxData->SduLength = (PduLengthType)(3 + (nrOfDtcs * sizeof(dtcAndStatusRecordType)));\r
 407         }\r
 408         else {\r
 409                 responseCode = DCM_E_REQUESTOUTOFRANGE;\r
 410         }\r
 411 \r
 412         return responseCode;\r
 413 }\r
 414 \r
 415 // PC-Lint (715 etc): Remove errors until function is filled.\r
 416 //lint -save -e715 -e838 -e818          Symbol not referenced, responseCode not used, txData should be const\r
 417 static Dcm_NegativeResponseCodeType udsReadDtcInfoSub_0x08(const PduInfoType *pduRxData, PduInfoType *pduTxData)\r
 418 {\r
 419         Dcm_NegativeResponseCodeType responseCode = DCM_E_POSITIVERESPONSE;\r
 420 \r
 421         // TODO: Not supported yet, (DEM module does not currently support severity).\r
 422         responseCode = DCM_E_REQUESTOUTOFRANGE;\r
 423 \r
 424         return responseCode;\r
 425 }\r
 426 //lint -restore\r
 427 \r
 428 \r
 429 // PC-Lint (715 etc): Remove errors until function is filled.\r
 430 //lint -save -e715 -e838 -e818          Symbol not referenced, responseCode not used, txData should be const\r
 431 static Dcm_NegativeResponseCodeType udsReadDtcInfoSub_0x09(const PduInfoType *pduRxData, PduInfoType *pduTxData)\r
 432 {\r
 433         Dcm_NegativeResponseCodeType responseCode = DCM_E_POSITIVERESPONSE;\r
 434 \r
 435         // TODO: Not supported yet, (DEM module does not currently support severity).\r
 436         responseCode = DCM_E_REQUESTOUTOFRANGE;\r
 437 \r
 438         return responseCode;\r
 439 }\r
 440 //lint -restore\r
 441 \r
 442 \r
 443 static Dcm_NegativeResponseCodeType udsReadDtcInfoSub_0x06_0x10(const PduInfoType *pduRxData, PduInfoType *pduTxData)\r
 444 {\r
 445         Dcm_NegativeResponseCodeType responseCode = DCM_E_POSITIVERESPONSE;\r
 446         Dem_DTCOriginType dtcOrigin;\r
 447         uint8 startRecNum;\r
 448         uint8 endRecNum;\r
 449 \r
 450         // Switch on sub function\r
 451         switch (pduRxData->SduDataPtr[1])       /** @req DCM378 */\r
 452         {\r
 453         case 0x06:      // reportDTCExtendedDataRecordByDTCNumber\r
 454                 dtcOrigin = DEM_DTC_ORIGIN_PRIMARY_MEMORY;\r
 455                 break;\r
 456 \r
 457         case 0x10:      // reportMirrorMemoryDTCExtendedDataRecordByDTCNumber\r
 458                 dtcOrigin = DEM_DTC_ORIGIN_MIRROR_MEMORY;\r
 459                 break;\r
 460 \r
 461         default:\r
 462                 responseCode = DCM_E_SUBFUNCTIONNOTSUPPORTED;\r
 463                 dtcOrigin = 0;\r
 464                 break;\r
 465         }\r
 466 \r
 467         // Switch on record number\r
 468         switch (pduRxData->SduDataPtr[5])\r
 469         {\r
 470         case 0xFF:      // Report all Extended Data Records for a particular DTC\r
 471                 startRecNum = 0x00;\r
 472                 endRecNum = 0xEF;\r
 473                 break;\r
 474 \r
 475         case 0xFE:      // Report all OBD Extended Data Records for a particular DTC\r
 476                 startRecNum = 0x90;\r
 477                 endRecNum = 0xEF;\r
 478                 break;\r
 479 \r
 480         default:        // Report one specific Extended Data Records for a particular DTC\r
 481                 startRecNum = pduRxData->SduDataPtr[5];\r
 482                 endRecNum = startRecNum;\r
 483                 break;\r
 484         }\r
 485 \r
 486         if (responseCode == DCM_E_POSITIVERESPONSE) {\r
 487                 Dem_ReturnGetStatusOfDTCType getStatusOfDtcResult;\r
 488                 uint32 dtc;\r
 489                 Dem_EventStatusExtendedType statusOfDtc;\r
 490 \r
 491                 dtc = BYTES_TO_DTC(pduRxData->SduDataPtr[2], pduRxData->SduDataPtr[3], pduRxData->SduDataPtr[4]);\r
 492                 getStatusOfDtcResult = Dem_GetStatusOfDTC(dtc, DEM_DTC_KIND_ALL_DTCS, dtcOrigin, &statusOfDtc); /** @req DCM295 */ /** @req DCM475 */\r
 493                 if (getStatusOfDtcResult == DEM_STATUS_OK) {\r
 494                         Dem_ReturnGetExtendedDataRecordByDTCType getExtendedDataRecordByDtcResult;\r
 495                         uint8 recNum;\r
 496                         uint16 recLength;\r
 497                         uint16 txIndex = 6;\r
 498 \r
 499                         /** @req DCM297 */ /** @req DCM474 */ /** @req DCM386 */\r
 500                         pduTxData->SduDataPtr[1] = pduRxData->SduDataPtr[1];                    // Sub function\r
 501                         pduTxData->SduDataPtr[2] = DTC_HIGH_BYTE(dtc);                                  // DTC high byte\r
 502                         pduTxData->SduDataPtr[3] = DTC_MID_BYTE(dtc);                                   // DTC mid byte\r
 503                         pduTxData->SduDataPtr[4] = DTC_LOW_BYTE(dtc);                                   // DTC low byte\r
 504                         pduTxData->SduDataPtr[5] = statusOfDtc;                                                 // DTC status\r
 505                         for (recNum = startRecNum; recNum <= endRecNum; recNum++) {\r
 506                                 recLength = pduTxData->SduLength - (txIndex + 1);       // Calculate what's left in buffer\r
 507                                 /** @req DCM296 */ /** @req DCM476 */ /** @req DCM382 */\r
 508                                 getExtendedDataRecordByDtcResult = Dem_GetExtendedDataRecordByDTC(dtc, DEM_DTC_KIND_ALL_DTCS, dtcOrigin, recNum, &pduTxData->SduDataPtr[txIndex+1], &recLength);\r
 509                                 if (getExtendedDataRecordByDtcResult == DEM_RECORD_OK) {\r
 510                                         pduTxData->SduDataPtr[txIndex++] = recNum;\r
 511                                         /* Instead of calling Dem_GetSizeOfExtendedDataRecordByDTC() the result from Dem_GetExtendedDataRecordByDTC() is used */\r
 512                                         /** @req DCM478 */ /** @req DCM479 */ /** @req DCM480 */\r
 513                                         txIndex += recLength;\r
 514                                 }\r
 515                                 else {\r
 516                                         // TODO: What to do here?\r
 517                                 }\r
 518                         }\r
 519                         pduTxData->SduLength = txIndex;\r
 520                 }\r
 521                 else {\r
 522                         responseCode = DCM_E_REQUESTOUTOFRANGE;\r
 523                 }\r
 524         }\r
 525 \r
 526         return responseCode;\r
 527 }\r
 528 \r
 529 \r
 530 // PC-Lint (715 etc): Remove errors until function is filled.\r
 531 //lint -save -e715 -e838 -e818          Symbol not referenced, responseCode not used, txData should be const\r
 532 static Dcm_NegativeResponseCodeType udsReadDtcInfoSub_0x03(const PduInfoType *pduRxData, PduInfoType *pduTxData)\r
 533 {\r
 534         Dcm_NegativeResponseCodeType responseCode = DCM_E_POSITIVERESPONSE;\r
 535 \r
 536         // TODO: Not supported yet\r
 537         responseCode = DCM_E_REQUESTOUTOFRANGE;\r
 538 \r
 539         return responseCode;\r
 540 }\r
 541 //lint -restore\r
 542 \r
 543 \r
 544 // PC-Lint (715 etc): Remove errors until function is filled.\r
 545 //lint -save -e715 -e838 -e818          Symbol not referenced, responseCode not used, txData should be const\r
 546 static Dcm_NegativeResponseCodeType udsReadDtcInfoSub_0x04(const PduInfoType *pduRxData, PduInfoType *pduTxData)\r
 547 {\r
 548         Dcm_NegativeResponseCodeType responseCode = DCM_E_POSITIVERESPONSE;\r
 549 \r
 550         // TODO: Not supported yet\r
 551         responseCode = DCM_E_REQUESTOUTOFRANGE;\r
 552 \r
 553         return responseCode;\r
 554 }\r
 555 //lint -restore\r
 556 \r
 557 \r
 558 // PC-Lint (715 etc): Remove errors until function is filled.\r
 559 //lint -save -e715 -e838 -e818          Symbol not referenced, responseCode not used, txData should be const\r
 560 static Dcm_NegativeResponseCodeType udsReadDtcInfoSub_0x05(const PduInfoType *pduRxData, PduInfoType *pduTxData)\r
 561 {\r
 562         Dcm_NegativeResponseCodeType responseCode = DCM_E_POSITIVERESPONSE;\r
 563 \r
 564         // TODO: Not supported yet\r
 565         responseCode = DCM_E_REQUESTOUTOFRANGE;\r
 566 \r
 567         return responseCode;\r
 568 }\r
 569 //lint -restore\r
 570 \r
 571 \r
 572 // PC-Lint (715 etc): Remove errors until function is filled.\r
 573 //lint -save -e715 -e838 -e818          Symbol not referenced, responseCode not used, txData should be const\r
 574 static Dcm_NegativeResponseCodeType udsReadDtcInfoSub_0x0B_0x0C_0x0D_0x0E(const PduInfoType *pduRxData, PduInfoType *pduTxData)\r
 575 {\r
 576         Dcm_NegativeResponseCodeType responseCode = DCM_E_POSITIVERESPONSE;\r
 577 \r
 578         // TODO: Not supported yet\r
 579         responseCode = DCM_E_REQUESTOUTOFRANGE;\r
 580 \r
 581         return responseCode;\r
 582 }\r
 583 //lint -restore\r
 584 \r
 585 \r
 586 // PC-Lint (715 etc): Remove errors until function is filled.\r
 587 //lint -save -e715 -e838 -e818          Symbol not referenced, responseCode not used, txData should be const\r
 588 static Dcm_NegativeResponseCodeType udsReadDtcInfoSub_0x14(const PduInfoType *pduRxData, PduInfoType *pduTxData)\r
 589 {\r
 590         Dcm_NegativeResponseCodeType responseCode = DCM_E_POSITIVERESPONSE;\r
 591 \r
 592         // TODO: Not supported yet\r
 593         responseCode = DCM_E_REQUESTOUTOFRANGE;\r
 594 \r
 595         return responseCode;\r
 596 }\r
 597 //lint -restore\r
 598 \r
 599 \r
 600 void DspUdsReadDtcInformation(const PduInfoType *pduRxData, PduInfoType *pduTxData)\r
 601 {\r
 602         /** @req DCM248 */\r
 603         // 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
 604         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
 605 \r
 606         Dcm_NegativeResponseCodeType responseCode = DCM_E_POSITIVERESPONSE;\r
 607 \r
 608         uint8 subFunctionNumber = pduRxData->SduDataPtr[1];\r
 609 \r
 610         // Check length\r
 611         if (subFunctionNumber <= 0x15) {\r
 612                 if (pduRxData->SduLength == sduLength[subFunctionNumber]) {\r
 613                         switch (subFunctionNumber)\r
 614                         {\r
 615                         case 0x01:      // reportNumberOfDTCByStatusMask\r
 616                         case 0x07:      // reportNumberOfDTCBySeverityMaskRecord\r
 617                         case 0x11:      // reportNumberOfMirrorMemoryDTCByStatusMask\r
 618                         case 0x12:      // reportNumberOfEmissionRelatedOBDDTCByStatusMask\r
 619                                 responseCode = udsReadDtcInfoSub_0x01_0x07_0x11_0x12(pduRxData, pduTxData);\r
 620                                 break;\r
 621 \r
 622                         case 0x02:      // reportDTCByStatusMask\r
 623                         case 0x0A:      // reportSupportedDTC\r
 624                         case 0x0F:      // reportMirrorMemoryDTCByStatusMask\r
 625                         case 0x13:      // reportEmissionRelatedOBDDTCByStatusMask\r
 626                         case 0x15:      // reportDTCWithPermanentStatus\r
 627                                 responseCode = udsReadDtcInfoSub_0x02_0x0A_0x0F_0x13_0x15(pduRxData, pduTxData);\r
 628                                 break;\r
 629 \r
 630                         case 0x08:      // reportDTCBySeverityMaskRecord\r
 631                                 responseCode = udsReadDtcInfoSub_0x08(pduRxData, pduTxData);\r
 632                                 break;\r
 633 \r
 634                         case 0x09:      // reportSeverityInformationOfDTC\r
 635                                 responseCode = udsReadDtcInfoSub_0x09(pduRxData, pduTxData);\r
 636                                 break;\r
 637 \r
 638                         case 0x06:      // reportDTCExtendedDataRecordByDTCNumber\r
 639                         case 0x10:      // reportMirrorMemoryDTCExtendedDataRecordByDTCNumber\r
 640                                 responseCode = udsReadDtcInfoSub_0x06_0x10(pduRxData, pduTxData);\r
 641                                 break;\r
 642 \r
 643                         case 0x03:      // reportDTCSnapshotIdentidication\r
 644                                 responseCode = udsReadDtcInfoSub_0x03(pduRxData, pduTxData);\r
 645                                 break;\r
 646 \r
 647                         case 0x04:      // reportDTCSnapshotByDtcNumber\r
 648                                 responseCode = udsReadDtcInfoSub_0x04(pduRxData, pduTxData);\r
 649                                 break;\r
 650 \r
 651                         case 0x05:      // reportDTCSnapshotRecordNumber\r
 652                                 responseCode = udsReadDtcInfoSub_0x05(pduRxData, pduTxData);\r
 653                                 break;\r
 654 \r
 655                         case 0x0B:      // reportFirstTestFailedDTC\r
 656                         case 0x0C:      // reportFirstConfirmedDTC\r
 657                         case 0x0D:      // reportMostRecentTestFailedDTC\r
 658                         case 0x0E:      // reportMostRecentConfirmedDTC\r
 659                                 responseCode = udsReadDtcInfoSub_0x0B_0x0C_0x0D_0x0E(pduRxData, pduTxData);\r
 660                                 break;\r
 661 \r
 662                         case 0x14:      // reportDTCFaultDetectionCounter\r
 663                                 responseCode = udsReadDtcInfoSub_0x14(pduRxData, pduTxData);\r
 664                                 break;\r
 665 \r
 666                         default:\r
 667                                 // Unknown sub function\r
 668                                 responseCode = DCM_E_REQUESTOUTOFRANGE;\r
 669                                 break;\r
 670                         }\r
 671                 }\r
 672                 else {\r
 673                         // Wrong length\r
 674                         responseCode = DCM_E_INCORRECTMESSAGELENGTHORINVALIDFORMAT;\r
 675                 }\r
 676         }\r
 677         else {\r
 678                 // Sub function out of range\r
 679                 responseCode = DCM_E_REQUESTOUTOFRANGE;\r
 680         }\r
 681 \r
 682         DsdDspProcessingDone(responseCode);\r
 683 }\r
 684 \r
 685 \r
 686 static boolean lookupDid(uint16 didNr, const Dcm_DspDidType **didPtr)\r
 687 {\r
 688         const Dcm_DspDidType *dspDid = DCM_Config.Dsp->DspDid;\r
 689         boolean didFound = FALSE;\r
 690 \r
 691         while ((dspDid->DspDidIdentifier != didNr) &&  (!dspDid->Arc_EOL)) {\r
 692                 dspDid++;\r
 693         }\r
 694 \r
 695         if (!dspDid->Arc_EOL) {\r
 696                 didFound = TRUE;\r
 697                 *didPtr = dspDid;\r
 698         }\r
 699 \r
 700         return didFound;\r
 701 }\r
 702 \r
 703 \r
 704 static Dcm_NegativeResponseCodeType readDidData(const Dcm_DspDidType *didPtr, PduInfoType *pduTxData, uint16 *txPos)\r
 705 {\r
 706         Dcm_NegativeResponseCodeType responseCode = DCM_E_POSITIVERESPONSE;\r
 707 \r
 708         if ((didPtr->DspDidInfoRef->DspDidAccess.DspDidRead != NULL) && (didPtr->DspDidConditionCheckReadFnc != NULL) && (didPtr->DspDidReadDataFnc != NULL)) { /** @req DCM433 */\r
 709                 if (DspCheckSessionLevel(didPtr->DspDidInfoRef->DspDidAccess.DspDidRead->DspDidReadSessionRef)) { /** @req DCM434 */\r
 710                         if (DspCheckSecurityLevel(didPtr->DspDidInfoRef->DspDidAccess.DspDidRead->DspDidReadSecurityLevelRef)) { /** @req DCM435 */\r
 711                                 Std_ReturnType result;\r
 712                                 Dcm_NegativeResponseCodeType errorCode;\r
 713                                 result = didPtr->DspDidConditionCheckReadFnc(&errorCode);\r
 714                                 if ((result == E_OK) && (errorCode == DCM_E_POSITIVERESPONSE)) {        /** @req DCM439 */\r
 715                                         uint16 didLen = 0;\r
 716                                         result = E_NOT_OK;\r
 717                                         if (didPtr->DspDidInfoRef->DspDidFixedLength) { /** @req DCM436 */\r
 718                                                 didLen = didPtr->DspDidSize;\r
 719                                                 result = E_OK;\r
 720                                         }\r
 721                                         else {\r
 722                                                 if (didPtr->DspDidReadDataLengthFnc != NULL) {\r
 723                                                         result = didPtr->DspDidReadDataLengthFnc(&didLen);\r
 724                                                 }\r
 725                                         }\r
 726 \r
 727                                         if (result == E_OK) {\r
 728                                                 // Now ready for reading the data!\r
 729                                                 if ((*txPos + didLen + 2) <= pduTxData->SduLength) {\r
 730                                                         pduTxData->SduDataPtr[*txPos] = (didPtr->DspDidIdentifier >> 8) & 0xFFu;\r
 731                                                         (*txPos)++;\r
 732                                                         pduTxData->SduDataPtr[*txPos] = didPtr->DspDidIdentifier & 0xFFu;\r
 733                                                         (*txPos)++;\r
 734                                                         result = didPtr->DspDidReadDataFnc(&pduTxData->SduDataPtr[*txPos]);     /** @req DCM437 */\r
 735                                                         *txPos += didLen;\r
 736 \r
 737                                                         if (result != E_OK) {\r
 738                                                                 responseCode = DCM_E_CONDITIONSNOTCORRECT;\r
 739                                                         }\r
 740                                                 }\r
 741                                                 else { // tx buffer full\r
 742                                                         responseCode = DCM_E_REQUESTOUTOFRANGE;\r
 743                                                 }\r
 744                                         }\r
 745                                         else {  // Not possible to obtain did length\r
 746                                                 responseCode = DCM_E_CONDITIONSNOTCORRECT;\r
 747                                         }\r
 748                                 }\r
 749                                 else {  // CheckRead failed\r
 750                                         responseCode = DCM_E_CONDITIONSNOTCORRECT;\r
 751                                 }\r
 752                         }\r
 753                         else {  // Not allowed in current security level\r
 754                                 responseCode = DCM_E_SECUTITYACCESSDENIED;\r
 755                         }\r
 756                 }\r
 757                 else {  // Not allowed in current session\r
 758                         responseCode = DCM_E_SERVICENOTSUPPORTEDINACTIVESESSION;\r
 759                 }\r
 760         }\r
 761         else {  // Read access not configured\r
 762                 responseCode = DCM_E_REQUESTOUTOFRANGE;\r
 763         }\r
 764 \r
 765         if (responseCode == DCM_E_POSITIVERESPONSE) {\r
 766                 // Recurse trough the rest of the dids.         /** @req DCM440 */\r
 767                 uint16 i;\r
 768                 for (i=0; (!didPtr->DspDidRef[i]->Arc_EOL) && (responseCode == DCM_E_POSITIVERESPONSE); i++) {\r
 769                         responseCode = readDidData(didPtr->DspDidRef[i], pduTxData, txPos);\r
 770                 }\r
 771         }\r
 772 \r
 773         return responseCode;\r
 774 }\r
 775 \r
 776 void DspUdsReadDataByIdentifier(const PduInfoType *pduRxData, PduInfoType *pduTxData)\r
 777 {\r
 778         /** @req DCM253 */\r
 779         Dcm_NegativeResponseCodeType responseCode = DCM_E_POSITIVERESPONSE;\r
 780         uint16 nrOfDids;\r
 781         uint16 didNr;\r
 782         const Dcm_DspDidType *didPtr = NULL;\r
 783 \r
 784         uint16 txPos = 1;\r
 785         uint16 i;\r
 786 \r
 787         if ( ((pduRxData->SduLength - 1) % 2) == 0 ) {\r
 788                 nrOfDids = (pduRxData->SduLength - 1) / 2;\r
 789 \r
 790                 for (i = 0; (i < nrOfDids) && (responseCode == DCM_E_POSITIVERESPONSE); i++) {\r
 791                         didNr = (uint16)((uint16)pduRxData->SduDataPtr[1+(i*2)] << 8) + pduRxData->SduDataPtr[2+(i*2)];\r
 792                         if (lookupDid(didNr, &didPtr)) {        /** @req DCM438 */\r
 793                                 responseCode = readDidData(didPtr, pduTxData, &txPos);\r
 794                         }\r
 795                         else { // DID not found\r
 796                                 responseCode = DCM_E_REQUESTOUTOFRANGE;\r
 797                         }\r
 798                 }\r
 799         }\r
 800         else {\r
 801                 responseCode = DCM_E_INCORRECTMESSAGELENGTHORINVALIDFORMAT;\r
 802         }\r
 803 \r
 804         if (responseCode == DCM_E_POSITIVERESPONSE) {\r
 805                 pduTxData->SduLength = txPos;\r
 806         }\r
 807 \r
 808         DsdDspProcessingDone(responseCode);\r
 809 }\r
 810 \r
 811 \r
 812 static Dcm_NegativeResponseCodeType readDidScalingData(const Dcm_DspDidType *didPtr, PduInfoType *pduTxData, uint16 *txPos)\r
 813 {\r
 814         Dcm_NegativeResponseCodeType responseCode = DCM_E_POSITIVERESPONSE;\r
 815 \r
 816         if (didPtr->DspDidGetScalingInfoFnc != NULL) {\r
 817                 uint16 scalingInfoLen;\r
 818 \r
 819                 scalingInfoLen = didPtr->DspDidInfoRef->DspDidScalingInfoSize;\r
 820                 if ((*txPos + scalingInfoLen + 2) <= pduTxData->SduLength) {\r
 821                         Std_ReturnType result;\r
 822                         Dcm_NegativeResponseCodeType errorCode;\r
 823 \r
 824                         pduTxData->SduDataPtr[*txPos] = (didPtr->DspDidIdentifier >> 8) & 0xFFu;\r
 825                         (*txPos)++;\r
 826                         pduTxData->SduDataPtr[*txPos] = didPtr->DspDidIdentifier & 0xFFu;\r
 827                         (*txPos)++;\r
 828                         result = didPtr->DspDidGetScalingInfoFnc(&pduTxData->SduDataPtr[*txPos], &errorCode);   /** @req DCM394 */\r
 829                         *txPos += scalingInfoLen;\r
 830 \r
 831                         if ((result != E_OK) || (errorCode != DCM_E_POSITIVERESPONSE)) {\r
 832                                 responseCode = DCM_E_CONDITIONSNOTCORRECT;\r
 833                         }\r
 834                 }\r
 835                 else { // tx buffer full\r
 836                         responseCode = DCM_E_REQUESTOUTOFRANGE;\r
 837                 }\r
 838         }\r
 839         else {  // DspDidGetScalingInfoFnc null pointer\r
 840                 responseCode = DCM_E_CONDITIONSNOTCORRECT;\r
 841         }\r
 842 \r
 843         return responseCode;\r
 844 }\r
 845 \r
 846 void DspUdsReadScalingDataByIdentifier(const PduInfoType *pduRxData, PduInfoType *pduTxData)\r
 847 {\r
 848         /** @req DCM258 */\r
 849         Dcm_NegativeResponseCodeType responseCode = DCM_E_POSITIVERESPONSE;\r
 850         uint16 didNr;\r
 851         const Dcm_DspDidType *didPtr = NULL;\r
 852 \r
 853         uint16 txPos = 1;\r
 854 \r
 855         if (pduRxData->SduLength == 3) {\r
 856                 didNr = (uint16)((uint16)pduRxData->SduDataPtr[1] << 8) + pduRxData->SduDataPtr[2];\r
 857                 if (lookupDid(didNr, &didPtr)) {\r
 858                         responseCode = readDidScalingData(didPtr, pduTxData, &txPos);\r
 859                 }\r
 860                 else { // DID not found\r
 861                         responseCode = DCM_E_REQUESTOUTOFRANGE;\r
 862                 }\r
 863 \r
 864                 if (responseCode == DCM_E_POSITIVERESPONSE) {\r
 865                         pduTxData->SduLength = txPos;\r
 866                 }\r
 867         }\r
 868         else {\r
 869                 // Length not ok\r
 870                 responseCode = DCM_E_INCORRECTMESSAGELENGTHORINVALIDFORMAT;\r
 871         }\r
 872 \r
 873         DsdDspProcessingDone(responseCode);\r
 874 }\r
 875 \r
 876 \r
 877 static Dcm_NegativeResponseCodeType writeDidData(const Dcm_DspDidType *didPtr, const PduInfoType *pduRxData, uint16 writeDidLen)\r
 878 {\r
 879         Dcm_NegativeResponseCodeType responseCode = DCM_E_POSITIVERESPONSE;\r
 880 \r
 881         if ((didPtr->DspDidInfoRef->DspDidAccess.DspDidWrite != NULL) && (didPtr->DspDidConditionCheckWriteFnc != NULL) && (didPtr->DspDidWriteDataFnc != NULL)) {      /** @req DCM468 */\r
 882                 if (DspCheckSessionLevel(didPtr->DspDidInfoRef->DspDidAccess.DspDidWrite->DspDidWriteSessionRef)) { /** @req DCM469 */\r
 883                         if (DspCheckSecurityLevel(didPtr->DspDidInfoRef->DspDidAccess.DspDidWrite->DspDidWriteSecurityLevelRef)) { /** @req DCM470 */\r
 884                                 Std_ReturnType result;\r
 885                                 Dcm_NegativeResponseCodeType errorCode;\r
 886                                 result = didPtr->DspDidConditionCheckWriteFnc(&errorCode);      /** @req DCM471 */\r
 887                                 if ((result == E_OK) && (errorCode == DCM_E_POSITIVERESPONSE)) {\r
 888                                         uint16 didLen = 0;\r
 889                                         result = E_NOT_OK;\r
 890                                         if (didPtr->DspDidInfoRef->DspDidFixedLength) { /** @req DCM472 */\r
 891                                                 didLen = didPtr->DspDidSize;\r
 892                                                 result = E_OK;\r
 893                                         }\r
 894                                         else {\r
 895                                                 if (didPtr->DspDidReadDataLengthFnc != NULL) {\r
 896                                                         result = didPtr->DspDidReadDataLengthFnc(&didLen);\r
 897                                                 }                                       }\r
 898 \r
 899                                         if (result == E_OK) {\r
 900                                                 if (didLen == writeDidLen) {    /** @req DCM473 */\r
 901                                                         result = didPtr->DspDidWriteDataFnc(&pduRxData->SduDataPtr[3], (uint8)didLen, &errorCode);      /** @req DCM395 */\r
 902                                                         if ((result != E_OK) || (errorCode != DCM_E_POSITIVERESPONSE)) {\r
 903                                                                 responseCode = DCM_E_CONDITIONSNOTCORRECT;\r
 904                                                         }\r
 905                                                 }\r
 906                                                 else {\r
 907                                                         responseCode = DCM_E_INCORRECTMESSAGELENGTHORINVALIDFORMAT;\r
 908                                                 }\r
 909                                         }\r
 910                                         else {  // Not possible to obtain did length\r
 911                                                 responseCode = DCM_E_CONDITIONSNOTCORRECT;\r
 912                                         }\r
 913                                 }\r
 914                                 else {  // CheckRead failed\r
 915                                         responseCode = DCM_E_CONDITIONSNOTCORRECT;\r
 916                                 }\r
 917                         }\r
 918                         else {  // Not allowed in current security level\r
 919                                 responseCode = DCM_E_SECUTITYACCESSDENIED;\r
 920                         }\r
 921                 }\r
 922                 else {  // Not allowed in current session\r
 923                         responseCode = DCM_E_SERVICENOTSUPPORTEDINACTIVESESSION;\r
 924                 }\r
 925         }\r
 926         else {  // Read access not configured\r
 927                 responseCode = DCM_E_REQUESTOUTOFRANGE;\r
 928         }\r
 929 \r
 930         return responseCode;\r
 931 }\r
 932 \r
 933 void DspUdsWriteDataByIdentifier(const PduInfoType *pduRxData, PduInfoType *pduTxData)\r
 934 {\r
 935         /** @req DCM255 */\r
 936         Dcm_NegativeResponseCodeType responseCode = DCM_E_POSITIVERESPONSE;\r
 937         uint16 didNr;\r
 938         const Dcm_DspDidType *didPtr = NULL;\r
 939 \r
 940         uint16 didDataLength;\r
 941 \r
 942         didDataLength = pduRxData->SduLength - 3;\r
 943         didNr = (uint16)((uint16)pduRxData->SduDataPtr[1] << 8) + pduRxData->SduDataPtr[2];\r
 944         if (lookupDid(didNr, &didPtr)) {        /** @req DCM467 */\r
 945                 responseCode = writeDidData(didPtr, pduRxData, didDataLength);\r
 946         }\r
 947         else { // DID not found\r
 948                 responseCode = DCM_E_REQUESTOUTOFRANGE;\r
 949         }\r
 950 \r
 951         if (responseCode == DCM_E_POSITIVERESPONSE) {\r
 952                 pduTxData->SduLength = 3;\r
 953                 pduTxData->SduDataPtr[1] = (didNr >> 8) & 0xFFu;\r
 954                 pduTxData->SduDataPtr[2] = didNr & 0xFFu;\r
 955         }\r
 956 \r
 957         DsdDspProcessingDone(responseCode);\r
 958 }\r
 959 \r
 960 \r
 961 void DspUdsSecurityAccess(const PduInfoType *pduRxData, PduInfoType *pduTxData)\r
 962 {\r
 963         /** @req DCM252 */\r
 964         Dcm_NegativeResponseCodeType responseCode = DCM_E_POSITIVERESPONSE;\r
 965 \r
 966         // Check sub function range (0x01 to 0x42)\r
 967         if ((pduRxData->SduDataPtr[1] >= 0x01) && (pduRxData->SduDataPtr[1] <= 0x42)) {\r
 968                 boolean isRequestSeed = pduRxData->SduDataPtr[1] & 0x01u;\r
 969                 Dcm_SecLevelType requestedSecurityLevel = (pduRxData->SduDataPtr[1]-1)/2;\r
 970                 Dcm_NegativeResponseCodeType getSeedErrorCode;\r
 971 \r
 972                 if (isRequestSeed) {\r
 973                         // requestSeed message\r
 974                         // Check if type exist in security table\r
 975                         const Dcm_DspSecurityRowType *securityRow = &DCM_Config.Dsp->DspSecurity->DspSecurityRow[0];\r
 976                         while ((securityRow->DspSecurityLevel != requestedSecurityLevel) && (!securityRow->Arc_EOL)) {\r
 977                                 securityRow++;\r
 978                         }\r
 979                         if (!securityRow->Arc_EOL) {\r
 980                                 // Check length\r
 981                                 if (pduRxData->SduLength == (2 + securityRow->DspSecurityADRSize)) {    /** @req DCM321.RequestSeed */\r
 982                                         Dcm_SecLevelType activeSecLevel;\r
 983                                         Std_ReturnType result;\r
 984                                         result = Dcm_GetSecurityLevel(&activeSecLevel);\r
 985                                         if (result == E_OK) {\r
 986                                                 if (requestedSecurityLevel == activeSecLevel) {         /** @req DCM323 */\r
 987                                                         pduTxData->SduDataPtr[1] = pduRxData->SduDataPtr[1];\r
 988                                                         // If same level set the seed to zeroes\r
 989                                                         memset(&pduTxData->SduDataPtr[2], 0, securityRow->DspSecuritySeedSize);\r
 990                                                         pduTxData->SduLength = 2 + securityRow->DspSecuritySeedSize;\r
 991                                                 } else {\r
 992                                                         // New security level ask for seed\r
 993                                                         if (securityRow->GetSeed != NULL) {\r
 994                                                                 Std_ReturnType getSeedResult;\r
 995                                                                 getSeedResult = securityRow->GetSeed(&pduRxData->SduDataPtr[2], &pduTxData->SduDataPtr[2], &getSeedErrorCode); /** @req DCM324.RequestSeed */\r
 996                                                                 if ((getSeedResult == E_OK) && (getSeedErrorCode == E_OK)) {\r
 997                                                                         // Everything ok add sub function to tx message and send it.\r
 998                                                                         pduTxData->SduDataPtr[1] = pduRxData->SduDataPtr[1];\r
 999                                                                         pduTxData->SduLength = 2 + securityRow->DspSecuritySeedSize;\r
1000 \r
1001                                                                         dspUdsSecurityAccesData.reqSecLevel = requestedSecurityLevel;\r
1002                                                                         dspUdsSecurityAccesData.reqSecLevelRef = securityRow;\r
1003                                                                         dspUdsSecurityAccesData.reqInProgress = TRUE;\r
1004                                                                 }\r
1005                                                                 else {\r
1006                                                                         // GetSeed returned not ok\r
1007                                                                         responseCode = DCM_E_INCORRECTMESSAGELENGTHORINVALIDFORMAT;\r
1008                                                                 }\r
1009                                                         } else {\r
1010                                                                 responseCode = DCM_E_INCORRECTMESSAGELENGTHORINVALIDFORMAT;\r
1011                                                         }\r
1012                                                 }\r
1013                                         } else {\r
1014                                                 // TODO: What to do?\r
1015                                                 responseCode = DCM_E_GENERALREJECT;\r
1016                                         }\r
1017 \r
1018                                 }\r
1019                                 else {\r
1020                                         // Length not ok\r
1021                                         responseCode = DCM_E_INCORRECTMESSAGELENGTHORINVALIDFORMAT;\r
1022                                 }\r
1023                         }\r
1024                         else {\r
1025                                 // Requested security level not configured\r
1026                                 responseCode = DCM_E_INCORRECTMESSAGELENGTHORINVALIDFORMAT;\r
1027                         }\r
1028                 }\r
1029                 else {\r
1030                         // sendKey message\r
1031                         if (dspUdsSecurityAccesData.reqInProgress) {\r
1032                                 if (pduRxData->SduLength == (2 + dspUdsSecurityAccesData.reqSecLevelRef->DspSecurityKeySize)) { /** @req DCM321.SendKey */\r
1033                                         if (requestedSecurityLevel == dspUdsSecurityAccesData.reqSecLevel) {\r
1034                                                 if (dspUdsSecurityAccesData.reqSecLevelRef->CompareKey != NULL) {\r
1035                                                         Std_ReturnType compareKeyResult;\r
1036                                                         compareKeyResult = dspUdsSecurityAccesData.reqSecLevelRef->CompareKey(&pduRxData->SduDataPtr[2]); /** @req DCM324.SendKey */\r
1037                                                         if (compareKeyResult == E_OK) {\r
1038                                                                 // Request accepted\r
1039                                                                 // Kill timer\r
1040                                                                 DslSetSecurityLevel(dspUdsSecurityAccesData.reqSecLevelRef->DspSecurityLevel); /** @req DCM325 */\r
1041                                                                 dspUdsSecurityAccesData.reqInProgress = FALSE;\r
1042                                                                 pduTxData->SduDataPtr[1] = pduRxData->SduDataPtr[1];\r
1043                                                                 pduTxData->SduLength = 2;\r
1044                                                         }\r
1045                                                         else {\r
1046                                                                 responseCode = DCM_E_CONDITIONSNOTCORRECT;\r
1047                                                         }\r
1048                                                 } else {\r
1049                                                         responseCode = DCM_E_CONDITIONSNOTCORRECT;\r
1050                                                 }\r
1051                                         }\r
1052                                         else {\r
1053                                                 responseCode = DCM_E_CONDITIONSNOTCORRECT;\r
1054                                         }\r
1055                                 }\r
1056                                 else {\r
1057                                         // Length not ok\r
1058                                         responseCode = DCM_E_INCORRECTMESSAGELENGTHORINVALIDFORMAT;\r
1059                                 }\r
1060                         }\r
1061                         else {\r
1062                                 // sendKey request without a preceding requestSeed\r
1063                                 responseCode = DCM_E_REQUESTSEQUENCEERROR;\r
1064                         }\r
1065                 }\r
1066         }\r
1067         else {\r
1068                 responseCode = DCM_E_SUBFUNCTIONNOTSUPPORTED;\r
1069         }\r
1070 \r
1071         DsdDspProcessingDone(responseCode);\r
1072 }\r
1073 \r
1074 \r
1075 void DspUdsTesterPresent(const PduInfoType *pduRxData, PduInfoType *pduTxData)\r
1076 {\r
1077         /** @req DCM251 */\r
1078         if (pduRxData->SduLength == 2) {\r
1079                 switch (pduRxData->SduDataPtr[1])\r
1080                 {\r
1081                 case ZERO_SUB_FUNCTION:\r
1082                         DslResetSessionTimeoutTimer();\r
1083                         // Create positive response\r
1084                         pduTxData->SduDataPtr[1] = ZERO_SUB_FUNCTION;\r
1085                         pduTxData->SduLength = 2;\r
1086                         DsdDspProcessingDone(DCM_E_POSITIVERESPONSE);\r
1087                         break;\r
1088 \r
1089                 default:\r
1090                         DsdDspProcessingDone(DCM_E_SUBFUNCTIONNOTSUPPORTED);\r
1091                         break;\r
1092                 }\r
1093         }\r
1094         else {\r
1095                 // Wrong length\r
1096                 DsdDspProcessingDone(DCM_E_INCORRECTMESSAGELENGTHORINVALIDFORMAT);\r
1097         }\r
1098 }\r
1099 \r
1100 \r
1101 void DspUdsControlDtcSetting(const PduInfoType *pduRxData, PduInfoType *pduTxData)\r
1102 {\r
1103         /** @req DCM249 */\r
1104         Dem_ReturnControlDTCStorageType resultCode;\r
1105 \r
1106         if (pduRxData->SduLength == 2) {\r
1107                 switch (pduRxData->SduDataPtr[1])\r
1108                 {\r
1109                 case 0x01:      // ON\r
1110                         resultCode = Dem_EnableDTCStorage(DEM_DTC_GROUP_ALL_DTCS, DEM_DTC_KIND_ALL_DTCS);               /** @req DCM304 */\r
1111                         if (resultCode == DEM_CONTROL_DTC_STORAGE_OK) {\r
1112                                 pduTxData->SduDataPtr[1] = 0x01;\r
1113                                 pduTxData->SduLength = 2;\r
1114                                 DsdDspProcessingDone(DCM_E_POSITIVERESPONSE);\r
1115                         }\r
1116                         else {\r
1117                                 DsdDspProcessingDone(DCM_E_REQUESTOUTOFRANGE);\r
1118                         }\r
1119                         break;\r
1120 \r
1121                 case 0x02:      // OFF\r
1122                         resultCode = Dem_DisableDTCStorage(DEM_DTC_GROUP_ALL_DTCS, DEM_DTC_KIND_ALL_DTCS);              /** @req DCM406 */\r
1123                         if (resultCode == DEM_CONTROL_DTC_STORAGE_OK) {\r
1124                                 pduTxData->SduDataPtr[1] = 0x02;\r
1125                                 pduTxData->SduLength = 2;\r
1126                                 DsdDspProcessingDone(DCM_E_POSITIVERESPONSE);\r
1127                         }\r
1128                         else {\r
1129                                 DsdDspProcessingDone(DCM_E_REQUESTOUTOFRANGE);\r
1130                         }\r
1131                         break;\r
1132 \r
1133                 default:\r
1134                         DsdDspProcessingDone(DCM_E_SUBFUNCTIONNOTSUPPORTED);\r
1135                         break;\r
1136                 }\r
1137         }\r
1138         else {\r
1139                 // Wrong length\r
1140                 DsdDspProcessingDone(DCM_E_INCORRECTMESSAGELENGTHORINVALIDFORMAT);\r
1141         }\r
1142 }\r
1143 \r
1144 \r
1145 void DspDcmConfirmation(PduIdType confirmPduId)\r
1146 {\r
1147         if (dspUdsEcuResetData.resetPending) {\r
1148                 if (confirmPduId == dspUdsEcuResetData.resetPduId) {\r
1149                         dspUdsEcuResetData.resetPending = FALSE;\r
1150 #if defined(USE_MCU) && ( MCU_PERFORM_RESET_API == STD_ON )\r
1151                         Mcu_PerformReset();\r
1152 #else\r
1153                         DET_REPORTERROR(MODULE_ID_DCM, 0, DCM_UDS_RESET_ID, DCM_E_NOT_SUPPORTED);\r
1154 #endif\r
1155                 }\r
1156         }\r
1157 }\r
1158 \r
1159 \r
1160 \r