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 #include <string.h>\r
  19 #include "Dcm.h"\r
  20 #include "Dcm_Internal.h"\r
  21 #include "Dem.h"\r
  22 #include "Det.h"\r
  23 #include "MemMap.h"\r
  24 #include "Mcu.h"\r
  25 \r
  26 #define ZERO_SUB_FUNCTION                       0x00\r
  27 \r
  28 /*\r
  29  * Macros\r
  30  */\r
  31 #define BYTES_TO_DTC(hb, mb, lb)        (((hb) << 16) | ((mb) << 8) | (lb))\r
  32 #define DTC_HIGH_BYTE(dtc)                      (((dtc)>> 16) & 0xFF)\r
  33 #define DTC_MID_BYTE(dtc)                       (((dtc)>> 8) & 0xFF)\r
  34 #define DTC_LOW_BYTE(dtc)                       ((dtc) & 0xFF)\r
  35 \r
  36 \r
  37 typedef struct {\r
  38         boolean resetPending;\r
  39         PduIdType resetPduId;\r
  40 } DspUdsEcuResetDataType;\r
  41 \r
  42 static DspUdsEcuResetDataType dspUdsEcuResetData;\r
  43 \r
  44 \r
  45 typedef struct {\r
  46         boolean                                                 reqInProgress;\r
  47         Dcm_SecLevelType                                reqSecLevel;\r
  48         const Dcm_DspSecurityRowType    *reqSecLevelRef;\r
  49 } DspUdsSecurityAccessDataType;\r
  50 \r
  51 static DspUdsSecurityAccessDataType dspUdsSecurityAccesData;\r
  52 \r
  53 \r
  54 void DspInit(void)\r
  55 {\r
  56         dspUdsSecurityAccesData.reqInProgress = FALSE;\r
  57         dspUdsEcuResetData.resetPending = FALSE;\r
  58 }\r
  59 \r
  60 \r
  61 void DspMain(void)\r
  62 {\r
  63 \r
  64 }\r
  65 \r
  66 \r
  67 boolean DspCheckSessionLevel(const Dcm_DspSessionRowType **sessionLevelRefTable)\r
  68 {\r
  69         boolean returnStatus = TRUE;\r
  70         Dcm_SesCtrlType currentSession;\r
  71 \r
  72         DslGetSesCtrlType(&currentSession);\r
  73         while (((*sessionLevelRefTable)->DspSessionLevel != currentSession) && !(*sessionLevelRefTable)->Arc_EOL) {\r
  74                 sessionLevelRefTable++;\r
  75         }\r
  76 \r
  77         if ((*sessionLevelRefTable)->Arc_EOL) {\r
  78                 returnStatus = FALSE;\r
  79         }\r
  80 \r
  81         return returnStatus;\r
  82 }\r
  83 \r
  84 \r
  85 boolean DspCheckSecurityLevel(const Dcm_DspSecurityRowType      **securityLevelRefTable)\r
  86 {\r
  87         boolean returnStatus = TRUE;\r
  88         Dcm_SecLevelType currentSecurityLevel;\r
  89 \r
  90         DslGetSecurityLevel(&currentSecurityLevel);\r
  91         while (((*securityLevelRefTable)->DspSecurityLevel != currentSecurityLevel) && !(*securityLevelRefTable)->Arc_EOL) {\r
  92                 securityLevelRefTable++;\r
  93         }\r
  94         if ((*securityLevelRefTable)->Arc_EOL) {\r
  95                 returnStatus = FALSE;\r
  96         }\r
  97 \r
  98         return returnStatus;\r
  99 }\r
 100 \r
 101 \r
 102 Std_ReturnType AskApplicationForSessionPermission(Dcm_SesCtrlType newSessionLevel)\r
 103 {\r
 104         Std_ReturnType returnCode = E_OK;\r
 105         const Dcm_DslSessionControlType *sesControl = DCM_Config.Dsl->DslSessionControl;\r
 106         Dcm_SesCtrlType currentSessionLevel;\r
 107         Std_ReturnType result;\r
 108 \r
 109         while (!sesControl->Arc_EOL && (returnCode != E_SESSION_NOT_ALLOWED)) {\r
 110                 if (sesControl->GetSesChgPermission != NULL) {\r
 111                         Dcm_GetSesCtrlType(&currentSessionLevel);\r
 112                         result = sesControl->GetSesChgPermission(currentSessionLevel ,newSessionLevel);\r
 113                         if (result != E_OK) {\r
 114                                 returnCode = result;\r
 115                         }\r
 116                 }\r
 117                 sesControl++;\r
 118         }\r
 119 \r
 120         return returnCode;\r
 121 }\r
 122 \r
 123 \r
 124 void DspUdsDiagnosticSessionControl(const PduInfoType *pduRxData, PduInfoType *pduTxData)\r
 125 {\r
 126         // @req DCM250 **/\r
 127         const Dcm_DspSessionRowType *sessionRow = DCM_Config.Dsp->DspSession->DspSessionRow;\r
 128         Dcm_SesCtrlType reqSessionType;\r
 129         Std_ReturnType result;\r
 130 \r
 131         if (pduRxData->SduLength == 2) {\r
 132                 reqSessionType = pduRxData->SduDataPtr[1];\r
 133                 // Check if type exist in session table\r
 134                 while ((sessionRow->DspSessionLevel != reqSessionType) && !sessionRow->Arc_EOL) {\r
 135                         sessionRow++;\r
 136                 }\r
 137 \r
 138                 if (!sessionRow->Arc_EOL) {\r
 139                         result = AskApplicationForSessionPermission(reqSessionType);\r
 140                         if (result == E_OK) {\r
 141                                 DslSetSesCtrlType(reqSessionType);              /** @req DCM311 **/\r
 142                                 // Create positive response\r
 143                                 /** @req DCM039.2 **/\r
 144                                 pduTxData->SduDataPtr[1] = reqSessionType;\r
 145                                 pduTxData->SduLength = 2;\r
 146                                 DsdDspProcessingDone(DCM_E_POSITIVERESPONSE); /** @req DCM269.2 **/\r
 147                         }\r
 148                         else {\r
 149                                 // TODO: Add handling of special case of E_FORCE_RCRRP (Dcm138)\r
 150                                 DsdDspProcessingDone(DCM_E_CONDITIONSNOTCORRECT);       /** @req DCM308 **/\r
 151                         }\r
 152                 }\r
 153                 else {\r
 154                         DsdDspProcessingDone(DCM_E_SUBFUNCTIONNOTSUPPORTED);    /** @req DCM307 **/\r
 155                 }\r
 156         }\r
 157         else {\r
 158                 // Wrong length\r
 159                 DsdDspProcessingDone(DCM_E_INCORRECTMESSAGELENGTHORINVALIDFORMAT);      /** @req DCM272.1 **/\r
 160         }\r
 161 }\r
 162 \r
 163 \r
 164 void DspUdsEcuReset(const PduInfoType *pduRxData, PduIdType txPduId, PduInfoType *pduTxData)\r
 165 {\r
 166         // @req DCM260 **/\r
 167         uint8 reqResetType;\r
 168 \r
 169         if (pduRxData->SduLength == 2) {\r
 170                 reqResetType = pduRxData->SduDataPtr[1];\r
 171 \r
 172                 switch (reqResetType)\r
 173                 {\r
 174                 case 0x01:      // Hard reset\r
 175                         // TODO: Ask application for permission (Dcm373) (Dcm375) (Dcm377)\r
 176 \r
 177                         // Schedule the reset\r
 178                         dspUdsEcuResetData.resetPending = TRUE;\r
 179                         dspUdsEcuResetData.resetPduId = txPduId;\r
 180 \r
 181                         // Create positive response\r
 182                         /** @req DCM039.1 **/\r
 183                         pduTxData->SduDataPtr[1] = reqResetType;\r
 184                         pduTxData->SduLength = 2;\r
 185                         DsdDspProcessingDone(DCM_E_POSITIVERESPONSE); /** @req DCM269.3 **/\r
 186                         break;\r
 187 \r
 188                 default:\r
 189                         DsdDspProcessingDone(DCM_E_SUBFUNCTIONNOTSUPPORTED);    /** @req DCM273.3 **/\r
 190                         break;\r
 191                 }\r
 192         }\r
 193         else {\r
 194                 // Wrong length\r
 195                 DsdDspProcessingDone(DCM_E_INCORRECTMESSAGELENGTHORINVALIDFORMAT);      /** @req DCM272.3 **/\r
 196         }\r
 197 }\r
 198 \r
 199 \r
 200 void DspUdsClearDiagnosticInformation(const PduInfoType *pduRxData, PduInfoType *pduTxData)\r
 201 {\r
 202         uint32 dtc;\r
 203         Dem_ReturnClearDTCType result;\r
 204 \r
 205         if (pduRxData->SduLength == 4) {\r
 206                 dtc = BYTES_TO_DTC(pduRxData->SduDataPtr[1], pduRxData->SduDataPtr[2], pduRxData->SduDataPtr[3]);\r
 207 \r
 208                 result = Dem_ClearDTC(dtc, DEM_DTC_KIND_ALL_DTCS, DEM_DTC_ORIGIN_PRIMARY_MEMORY);\r
 209 \r
 210                 switch (result)\r
 211                 {\r
 212                 case DEM_CLEAR_OK:\r
 213                         // Create positive response\r
 214                         /** @req DCM039.1 **/\r
 215                         pduTxData->SduLength = 1;\r
 216                         DsdDspProcessingDone(DCM_E_POSITIVERESPONSE); /** @req DCM269.4 **/\r
 217                         break;\r
 218 \r
 219                 default:\r
 220                         DsdDspProcessingDone(DCM_E_REQUESTOUTOFRANGE);\r
 221                         break;\r
 222                 }\r
 223         }\r
 224         else {\r
 225                 // Wrong length\r
 226                 DsdDspProcessingDone(DCM_E_INCORRECTMESSAGELENGTHORINVALIDFORMAT);      /** @req DCM272.1 **/\r
 227         }\r
 228 }\r
 229 \r
 230 \r
 231 Dcm_NegativeResponseCodeType DspUdsReadDtcInfoSub_0x01_0x07_0x11_0x12(const PduInfoType *pduRxData, PduInfoType *pduTxData)\r
 232 {\r
 233         typedef struct {\r
 234                 uint8           SID;\r
 235                 uint8           reportType;\r
 236                 uint8           dtcStatusAvailabilityMask;\r
 237                 uint8           dtcFormatIdentifier;\r
 238                 uint8           dtcCountHighByte;\r
 239                 uint8           dtcCountLowByte;\r
 240         } TxDataType;\r
 241 \r
 242         Dcm_NegativeResponseCodeType responseCode = DCM_E_POSITIVERESPONSE;\r
 243         Dem_ReturnSetDTCFilterType setDtcFilterResult;\r
 244 \r
 245         // Setup the DTC filter\r
 246         switch (pduRxData->SduDataPtr[1])       /** @reg DCM293 **/\r
 247         {\r
 248         case 0x01:      // reportNumberOfDTCByStatusMask\r
 249                 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
 250                 break;\r
 251 \r
 252         case 0x07:      // reportNumberOfDTCBySeverityMaskRecord\r
 253                 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
 254                 break;\r
 255 \r
 256         case 0x11:      // reportNumberOfMirrorMemoryDTCByStatusMask\r
 257                 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
 258                 break;\r
 259 \r
 260         case 0x12:      // reportNumberOfEmissionRelatedOBDDTCByStatusMask\r
 261                 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
 262                 break;\r
 263 \r
 264         default:\r
 265                 setDtcFilterResult = DEM_WRONG_FILTER;\r
 266 #if (DCM_DEV_ERROR_DETECT == STD_ON)\r
 267                 Det_ReportError(MODULE_ID_DCM, 0, DCM_UDS_READ_DTC_INFO, DCM_E_UNEXPECTED_PARAM);\r
 268 #endif\r
 269                 break;\r
 270         }\r
 271 \r
 272         if (setDtcFilterResult == DEM_FILTER_ACCEPTED) {\r
 273                 uint16 numberOfFilteredDtc;\r
 274                 uint8 dtcStatusMask;\r
 275                 TxDataType *txData = (TxDataType*)pduTxData->SduDataPtr;\r
 276 \r
 277                 /** @reg DCM376 **/\r
 278                 Dem_GetNumberOfFilteredDtc(&numberOfFilteredDtc);\r
 279                 Dem_GetDTCStatusAvailabilityMask(&dtcStatusMask);\r
 280 \r
 281                 // Create positive response (ISO 14229-1 table 251)\r
 282                 /** @req DCM039.0x19 **/\r
 283                 txData->reportType = pduRxData->SduDataPtr[1];                  // reportType\r
 284                 txData->dtcStatusAvailabilityMask = dtcStatusMask;                                      // DTCStatusAvailabilityMask\r
 285                 txData->dtcFormatIdentifier = Dem_GetTranslationType();                         // DTCFormatIdentifier\r
 286                 txData->dtcCountHighByte = (numberOfFilteredDtc >> 8);                          // DTCCount high byte\r
 287                 txData->dtcCountLowByte = (numberOfFilteredDtc & 0xFF);                         // DTCCount low byte\r
 288                 pduTxData->SduLength = 6;\r
 289         }\r
 290         else {\r
 291                 responseCode = DCM_E_REQUESTOUTOFRANGE;\r
 292         }\r
 293 \r
 294         return responseCode;\r
 295 }\r
 296 \r
 297 \r
 298 Dcm_NegativeResponseCodeType DspUdsReadDtcInfoSub_0x02_0x0A_0x0F_0x13_0x15(const PduInfoType *pduRxData, PduInfoType *pduTxData)\r
 299 {\r
 300         Dcm_NegativeResponseCodeType responseCode = DCM_E_POSITIVERESPONSE;\r
 301         Dem_ReturnSetDTCFilterType setDtcFilterResult;\r
 302 \r
 303         typedef struct {\r
 304                 uint8           dtcHighByte;\r
 305                 uint8           dtcMiddleByte;\r
 306                 uint8           dtcLowByte;\r
 307                 uint8           statusOfDtc;\r
 308         } dtcAndStatusRecordType;\r
 309 \r
 310         typedef struct {\r
 311                 uint8                                   SID;\r
 312                 uint8                                   reportType;\r
 313                 uint8                                   dtcStatusAvailabilityMask;\r
 314                 dtcAndStatusRecordType  dtcAndStatusRecord[];\r
 315         } TxDataType;\r
 316 \r
 317         // Setup the DTC filter\r
 318         switch (pduRxData->SduDataPtr[1])       /** @reg DCM378 **/\r
 319         {\r
 320         case 0x02:      // reportDTCByStatusMask\r
 321                 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
 322                 break;\r
 323 \r
 324         case 0x0A:      // reportSupportedDTC\r
 325                 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
 326                 break;\r
 327 \r
 328         case 0x0F:      // reportMirrorMemoryDTCByStatusMask\r
 329                 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
 330                 break;\r
 331 \r
 332         case 0x13:      // reportEmissionRelatedOBDDTCByStatusMask\r
 333                 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
 334                 break;\r
 335 \r
 336         case 0x15:      // reportDTCWithPermanentStatus\r
 337                 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
 338                 break;\r
 339 \r
 340         default:\r
 341                 setDtcFilterResult = DEM_WRONG_FILTER;\r
 342 #if (DCM_DEV_ERROR_DETECT == STD_ON)\r
 343                 Det_ReportError(MODULE_ID_DCM, 0, DCM_UDS_READ_DTC_INFO, DCM_E_UNEXPECTED_PARAM);\r
 344 #endif\r
 345                 break;\r
 346         }\r
 347 \r
 348         if (setDtcFilterResult == DEM_FILTER_ACCEPTED) {\r
 349                 uint8 dtcStatusMask;\r
 350                 TxDataType *txData = (TxDataType*)pduTxData->SduDataPtr;\r
 351                 Dem_ReturnGetNextFilteredDTCType getNextFilteredDtcResult;\r
 352                 uint32 dtc;\r
 353                 Dem_EventStatusExtendedType dtcStatus;\r
 354                 uint16 nrOfDtcs = 0;\r
 355 \r
 356                 /** @reg DCM377 **/\r
 357                 Dem_GetDTCStatusAvailabilityMask(&dtcStatusMask);\r
 358 \r
 359                 // Create positive response (ISO 14229-1 table 252)\r
 360                 /** @req DCM039.0x19 **/\r
 361                 txData->reportType = pduRxData->SduDataPtr[1];\r
 362                 txData->dtcStatusAvailabilityMask = dtcStatusMask;\r
 363 \r
 364                 if (dtcStatusMask != 0x00) {    /** @req DCM008 **/\r
 365                         getNextFilteredDtcResult = Dem_GetNextFilteredDTC(&dtc, &dtcStatus);\r
 366                         while (getNextFilteredDtcResult == DEM_FILTERED_OK) {\r
 367                                 txData->dtcAndStatusRecord[nrOfDtcs].dtcHighByte = DTC_HIGH_BYTE(dtc);\r
 368                                 txData->dtcAndStatusRecord[nrOfDtcs].dtcMiddleByte = DTC_MID_BYTE(dtc);\r
 369                                 txData->dtcAndStatusRecord[nrOfDtcs].dtcLowByte = DTC_LOW_BYTE(dtc);\r
 370                                 txData->dtcAndStatusRecord[nrOfDtcs].statusOfDtc = dtcStatus;\r
 371                                 nrOfDtcs++;\r
 372                                 getNextFilteredDtcResult = Dem_GetNextFilteredDTC(&dtc, &dtcStatus);\r
 373                         }\r
 374 \r
 375                         if (getNextFilteredDtcResult != DEM_FILTERED_NO_MATCHING_DTC) {\r
 376                                 responseCode = DCM_E_REQUESTOUTOFRANGE;\r
 377                         }\r
 378                 }\r
 379                 pduTxData->SduLength = 3 + nrOfDtcs * sizeof(dtcAndStatusRecordType);\r
 380         }\r
 381         else {\r
 382                 responseCode = DCM_E_REQUESTOUTOFRANGE;\r
 383         }\r
 384 \r
 385         return responseCode;\r
 386 }\r
 387 \r
 388 \r
 389 Dcm_NegativeResponseCodeType DspUdsReadDtcInfoSub_0x08(const PduInfoType *pduRxData, PduInfoType *pduTxData)\r
 390 {\r
 391         Dcm_NegativeResponseCodeType responseCode = DCM_E_POSITIVERESPONSE;\r
 392 \r
 393         // TODO: Not supported yet, (DEM module does not currently support severity).\r
 394         responseCode = DCM_E_REQUESTOUTOFRANGE;\r
 395 \r
 396         return responseCode;\r
 397 }\r
 398 \r
 399 \r
 400 Dcm_NegativeResponseCodeType DspUdsReadDtcInfoSub_0x09(const PduInfoType *pduRxData, PduInfoType *pduTxData)\r
 401 {\r
 402         Dcm_NegativeResponseCodeType responseCode = DCM_E_POSITIVERESPONSE;\r
 403 \r
 404         // TODO: Not supported yet, (DEM module does not currently support severity).\r
 405         responseCode = DCM_E_REQUESTOUTOFRANGE;\r
 406 \r
 407         return responseCode;\r
 408 }\r
 409 \r
 410 \r
 411 Dcm_NegativeResponseCodeType DspUdsReadDtcInfoSub_0x06_0x10(const PduInfoType *pduRxData, PduInfoType *pduTxData)\r
 412 {\r
 413         Dcm_NegativeResponseCodeType responseCode = DCM_E_POSITIVERESPONSE;\r
 414         Dem_DTCOriginType dtcOrigin = NULL;\r
 415         uint8 startRecNum;\r
 416         uint8 endRecNum;\r
 417 \r
 418         // Switch on sub function\r
 419         switch (pduRxData->SduDataPtr[1])       /** @reg DCM378 **/\r
 420         {\r
 421         case 0x06:      // reportDTCExtendedDataRecordByDTCNumber\r
 422                 dtcOrigin = DEM_DTC_ORIGIN_PRIMARY_MEMORY;\r
 423                 break;\r
 424 \r
 425         case 0x10:      // reportMirrorMemoryDTCExtendedDataRecordByDTCNumber\r
 426                 dtcOrigin = DEM_DTC_ORIGIN_MIRROR_MEMORY;\r
 427                 break;\r
 428 \r
 429         default:\r
 430                 responseCode = DCM_E_SUBFUNCTIONNOTSUPPORTED;\r
 431 #if (DCM_DEV_ERROR_DETECT == STD_ON)\r
 432                 Det_ReportError(MODULE_ID_DCM, 0, DCM_UDS_READ_DTC_INFO, DCM_E_UNEXPECTED_PARAM);\r
 433 #endif\r
 434                 break;\r
 435         }\r
 436 \r
 437         // Switch on record number\r
 438         switch (pduRxData->SduDataPtr[5])\r
 439         {\r
 440         case 0xFF:      // Report all Extended Data Records for a particular DTC\r
 441                 startRecNum = 0x00;\r
 442                 endRecNum = 0xEF;\r
 443                 break;\r
 444 \r
 445         case 0xFE:      // Report all OBD Extended Data Records for a particular DTC\r
 446                 startRecNum = 0x90;\r
 447                 endRecNum = 0xEF;\r
 448                 break;\r
 449 \r
 450         default:        // Report one specific Extended Data Records for a particular DTC\r
 451                 startRecNum = pduRxData->SduDataPtr[5];\r
 452                 endRecNum = startRecNum;\r
 453                 break;\r
 454         }\r
 455 \r
 456         if (responseCode == DCM_E_POSITIVERESPONSE) {\r
 457                 Dem_ReturnGetStatusOfDTCType getStatusOfDtcResult;\r
 458                 uint32 dtc;\r
 459                 Dem_EventStatusExtendedType statusOfDtc;\r
 460 \r
 461                 dtc = BYTES_TO_DTC(pduRxData->SduDataPtr[2], pduRxData->SduDataPtr[3], pduRxData->SduDataPtr[4]);\r
 462                 getStatusOfDtcResult = Dem_GetStatusOfDTC(dtc, DEM_DTC_KIND_ALL_DTCS, dtcOrigin, &statusOfDtc); /** @req DCM295 **/ /** @req DCM475 **/\r
 463                 if (getStatusOfDtcResult == DEM_STATUS_OK) {\r
 464                         Dem_ReturnGetExtendedDataRecordByDTCType getExtendedDataRecordByDtcResult;\r
 465                         uint16 recNum;\r
 466                         uint8 recLength;\r
 467                         uint16 txIndex = 6;\r
 468 \r
 469                         /** @req DCM297 **/ /** @req DCM474 **/ /** @req DCM386 **/\r
 470                         pduTxData->SduDataPtr[1] = pduRxData->SduDataPtr[1];                    // Sub function\r
 471                         pduTxData->SduDataPtr[2] = DTC_HIGH_BYTE(dtc);                                  // DTC high byte\r
 472                         pduTxData->SduDataPtr[3] = DTC_MID_BYTE(dtc);                                   // DTC mid byte\r
 473                         pduTxData->SduDataPtr[4] = DTC_LOW_BYTE(dtc);                                   // DTC low byte\r
 474                         pduTxData->SduDataPtr[5] = statusOfDtc;                                                 // DTC status\r
 475                         for (recNum = startRecNum; recNum <= endRecNum; recNum++) {\r
 476                                 recLength = pduTxData->SduLength - txIndex -1;  // Calculate what's left in buffer\r
 477                                 /** @req DCM296 **/ /** @req DCM476 **/ /** @req DCM382 **/\r
 478                                 getExtendedDataRecordByDtcResult = Dem_GetExtendedDataRecordByDTC(dtc, DEM_DTC_KIND_ALL_DTCS, dtcOrigin, recNum, &pduTxData->SduDataPtr[txIndex+1], &recLength);\r
 479                                 if (getExtendedDataRecordByDtcResult == DEM_RECORD_OK) {\r
 480                                         pduTxData->SduDataPtr[txIndex++] = recNum;\r
 481                                         /* Instead of calling Dem_GetSizeOfExtendedDataRecordByDTC() the result from Dem_GetExtendedDataRecordByDTC() is used */\r
 482                                         /** @req DCM478 **/ /** @req DCM479 **/ /** @req DCM480 **/\r
 483                                         txIndex += recLength;\r
 484                                 }\r
 485                                 else {\r
 486                                         // TODO: What to do here?\r
 487                                 }\r
 488                         }\r
 489                         pduTxData->SduLength = txIndex;\r
 490                 }\r
 491                 else {\r
 492                         responseCode = DCM_E_REQUESTOUTOFRANGE;\r
 493                 }\r
 494         }\r
 495 \r
 496         return responseCode;\r
 497 }\r
 498 \r
 499 \r
 500 Dcm_NegativeResponseCodeType DspUdsReadDtcInfoSub_0x03(const PduInfoType *pduRxData, PduInfoType *pduTxData)\r
 501 {\r
 502         Dcm_NegativeResponseCodeType responseCode = DCM_E_POSITIVERESPONSE;\r
 503 \r
 504         // TODO: Not supported yet\r
 505         responseCode = DCM_E_REQUESTOUTOFRANGE;\r
 506 \r
 507         return responseCode;\r
 508 }\r
 509 \r
 510 \r
 511 Dcm_NegativeResponseCodeType DspUdsReadDtcInfoSub_0x04(const PduInfoType *pduRxData, PduInfoType *pduTxData)\r
 512 {\r
 513         Dcm_NegativeResponseCodeType responseCode = DCM_E_POSITIVERESPONSE;\r
 514 \r
 515         // TODO: Not supported yet\r
 516         responseCode = DCM_E_REQUESTOUTOFRANGE;\r
 517 \r
 518         return responseCode;\r
 519 }\r
 520 \r
 521 \r
 522 Dcm_NegativeResponseCodeType DspUdsReadDtcInfoSub_0x05(const PduInfoType *pduRxData, PduInfoType *pduTxData)\r
 523 {\r
 524         Dcm_NegativeResponseCodeType responseCode = DCM_E_POSITIVERESPONSE;\r
 525 \r
 526         // TODO: Not supported yet\r
 527         responseCode = DCM_E_REQUESTOUTOFRANGE;\r
 528 \r
 529         return responseCode;\r
 530 }\r
 531 \r
 532 \r
 533 Dcm_NegativeResponseCodeType DspUdsReadDtcInfoSub_0x0B_0x0C_0x0D_0x0E(const PduInfoType *pduRxData, PduInfoType *pduTxData)\r
 534 {\r
 535         Dcm_NegativeResponseCodeType responseCode = DCM_E_POSITIVERESPONSE;\r
 536 \r
 537         // TODO: Not supported yet\r
 538         responseCode = DCM_E_REQUESTOUTOFRANGE;\r
 539 \r
 540         return responseCode;\r
 541 }\r
 542 \r
 543 \r
 544 Dcm_NegativeResponseCodeType DspUdsReadDtcInfoSub_0x14(const PduInfoType *pduRxData, PduInfoType *pduTxData)\r
 545 {\r
 546         Dcm_NegativeResponseCodeType responseCode = DCM_E_POSITIVERESPONSE;\r
 547 \r
 548         // TODO: Not supported yet\r
 549         responseCode = DCM_E_REQUESTOUTOFRANGE;\r
 550 \r
 551         return responseCode;\r
 552 }\r
 553 \r
 554 \r
 555 void DspUdsReadDtcInformation(const PduInfoType *pduRxData, PduInfoType *pduTxData)\r
 556 {\r
 557         /** @reg DCM248 **/\r
 558         // 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
 559         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
 560 \r
 561         Dcm_NegativeResponseCodeType responseCode = DCM_E_POSITIVERESPONSE;\r
 562 \r
 563         uint8 subFunctionNumber = pduRxData->SduDataPtr[1];\r
 564 \r
 565         // Check length\r
 566         if (subFunctionNumber <= 0x15) {\r
 567                 if (pduRxData->SduLength == sduLength[subFunctionNumber]) {\r
 568                         switch (subFunctionNumber)\r
 569                         {\r
 570                         case 0x01:      // reportNumberOfDTCByStatusMask\r
 571                         case 0x07:      // reportNumberOfDTCBySeverityMaskRecord\r
 572                         case 0x11:      // reportNumberOfMirrorMemoryDTCByStatusMask\r
 573                         case 0x12:      // reportNumberOfEmissionRelatedOBDDTCByStatusMask\r
 574                                 responseCode = DspUdsReadDtcInfoSub_0x01_0x07_0x11_0x12(pduRxData, pduTxData);\r
 575                                 break;\r
 576 \r
 577                         case 0x02:      // reportDTCByStatusMask\r
 578                         case 0x0A:      // reportSupportedDTC\r
 579                         case 0x0F:      // reportMirrorMemoryDTCByStatusMask\r
 580                         case 0x13:      // reportEmissionRelatedOBDDTCByStatusMask\r
 581                         case 0x15:      // reportDTCWithPermanentStatus\r
 582                                 responseCode = DspUdsReadDtcInfoSub_0x02_0x0A_0x0F_0x13_0x15(pduRxData, pduTxData);\r
 583                                 break;\r
 584 \r
 585                         case 0x08:      // reportDTCBySeverityMaskRecord\r
 586                                 responseCode = DspUdsReadDtcInfoSub_0x08(pduRxData, pduTxData);\r
 587                                 break;\r
 588 \r
 589                         case 0x09:      // reportSeverityInformationOfDTC\r
 590                                 responseCode = DspUdsReadDtcInfoSub_0x09(pduRxData, pduTxData);\r
 591                                 break;\r
 592 \r
 593                         case 0x06:      // reportDTCExtendedDataRecordByDTCNumber\r
 594                         case 0x10:      // reportMirrorMemoryDTCExtendedDataRecordByDTCNumber\r
 595                                 responseCode = DspUdsReadDtcInfoSub_0x06_0x10(pduRxData, pduTxData);\r
 596                                 break;\r
 597 \r
 598                         case 0x03:      // reportDTCSnapshotIdentidication\r
 599                                 responseCode = DspUdsReadDtcInfoSub_0x03(pduRxData, pduTxData);\r
 600                                 break;\r
 601 \r
 602                         case 0x04:      // reportDTCSnapshotByDtcNumber\r
 603                                 responseCode = DspUdsReadDtcInfoSub_0x04(pduRxData, pduTxData);\r
 604                                 break;\r
 605 \r
 606                         case 0x05:      // reportDTCSnapshotRecordNumber\r
 607                                 responseCode = DspUdsReadDtcInfoSub_0x05(pduRxData, pduTxData);\r
 608                                 break;\r
 609 \r
 610                         case 0x0B:      // reportFirstTestFailedDTC\r
 611                         case 0x0C:      // reportFirstConfirmedDTC\r
 612                         case 0x0D:      // reportMostRecentTestFailedDTC\r
 613                         case 0x0E:      // reportMostRecentConfirmedDTC\r
 614                                 responseCode = DspUdsReadDtcInfoSub_0x0B_0x0C_0x0D_0x0E(pduRxData, pduTxData);\r
 615                                 break;\r
 616 \r
 617                         case 0x14:      // reportDTCFaultDetectionCounter\r
 618                                 responseCode = DspUdsReadDtcInfoSub_0x14(pduRxData, pduTxData);\r
 619                                 break;\r
 620 \r
 621                         default:\r
 622                                 // Unknown sub function\r
 623                                 responseCode = DCM_E_REQUESTOUTOFRANGE;\r
 624                                 break;\r
 625                         }\r
 626                 }\r
 627                 else {\r
 628                         // Wrong length\r
 629                         responseCode = DCM_E_INCORRECTMESSAGELENGTHORINVALIDFORMAT;     /** @req DCM272.0x19 **/\r
 630                 }\r
 631         }\r
 632         else {\r
 633                 // Sub function out of range\r
 634                 responseCode = DCM_E_REQUESTOUTOFRANGE;\r
 635         }\r
 636 \r
 637         DsdDspProcessingDone(responseCode);\r
 638 }\r
 639 \r
 640 \r
 641 boolean DspLookupDid(uint16 didNr, const Dcm_DspDidType **didPtr)\r
 642 {\r
 643         const Dcm_DspDidType *dspDid = DCM_Config.Dsp->DspDid;\r
 644         boolean didFound = FALSE;\r
 645 \r
 646         while ((dspDid->DspDidIdentifier != didNr) &&  !dspDid->Arc_EOL) {\r
 647                 dspDid++;\r
 648         }\r
 649 \r
 650         if (!dspDid->Arc_EOL) {\r
 651                 didFound = TRUE;\r
 652                 *didPtr = dspDid;\r
 653         }\r
 654 \r
 655         return didFound;\r
 656 }\r
 657 \r
 658 \r
 659 Dcm_NegativeResponseCodeType DspReadDidData(const Dcm_DspDidType *didPtr, PduInfoType *pduTxData, uint16 *txPos)\r
 660 {\r
 661         Dcm_NegativeResponseCodeType responseCode = DCM_E_POSITIVERESPONSE;\r
 662 \r
 663         if ((didPtr->DspDidInfoRef->DspDidAccess.DspDidRead != NULL) && (didPtr->DspDidConditionCheckReadFnc != NULL) && (didPtr->DspDidReadDataFnc != NULL)) { /** @req DCM433 **/\r
 664                 if (DspCheckSessionLevel(didPtr->DspDidInfoRef->DspDidAccess.DspDidRead->DspDidReadSessionRef)) { /** @req DCM434 **/\r
 665                         if (DspCheckSecurityLevel(didPtr->DspDidInfoRef->DspDidAccess.DspDidRead->DspDidReadSecurityLevelRef)) { /** @req DCM435 **/\r
 666                                 Std_ReturnType result;\r
 667                                 Dcm_NegativeResponseCodeType errorCode;\r
 668                                 result = didPtr->DspDidConditionCheckReadFnc(&errorCode);\r
 669                                 if ((result == E_OK) && (errorCode == DCM_E_POSITIVERESPONSE)) {        /** @req DCM439 **/\r
 670                                         uint16 didLen;\r
 671                                         result = E_NOT_OK;\r
 672                                         if (didPtr->DspDidInfoRef->DspDidFixedLength) { /** @req DCM436 **/\r
 673                                                 didLen = didPtr->DspDidSize;\r
 674                                                 result = E_OK;\r
 675                                         }\r
 676                                         else {\r
 677                                                 if (didPtr->DspDidReadDataLengthFnc != NULL) {\r
 678                                                         result = didPtr->DspDidReadDataLengthFnc(&didLen);\r
 679                                                 }\r
 680                                         }\r
 681 \r
 682                                         if (result == E_OK) {\r
 683                                                 // Now ready for reading the data!\r
 684                                                 if ((*txPos + didLen + 2) <= pduTxData->SduLength) {\r
 685                                                         pduTxData->SduDataPtr[*txPos] = (didPtr->DspDidIdentifier >> 8) & 0xFF;\r
 686                                                         (*txPos)++;\r
 687                                                         pduTxData->SduDataPtr[*txPos] = (didPtr->DspDidIdentifier >> 0) & 0xFF;\r
 688                                                         (*txPos)++;\r
 689                                                         result = didPtr->DspDidReadDataFnc(&pduTxData->SduDataPtr[*txPos]);     /** @req DCM437 **/\r
 690                                                         *txPos += didLen;\r
 691 \r
 692                                                         if (result != E_OK) {\r
 693                                                                 responseCode = DCM_E_CONDITIONSNOTCORRECT;\r
 694                                                         }\r
 695                                                 }\r
 696                                                 else { // tx buffer full\r
 697                                                         responseCode = DCM_E_REQUESTOUTOFRANGE;\r
 698                                                 }\r
 699                                         }\r
 700                                         else {  // Not possible to obtain did length\r
 701                                                 responseCode = DCM_E_CONDITIONSNOTCORRECT;\r
 702                                         }\r
 703                                 }\r
 704                                 else {  // CheckRead failed\r
 705                                         responseCode = DCM_E_CONDITIONSNOTCORRECT;\r
 706                                 }\r
 707                         }\r
 708                         else {  // Not allowed in current security level\r
 709                                 responseCode = DCM_E_SECUTITYACCESSDENIED;\r
 710                         }\r
 711                 }\r
 712                 else {  // Not allowed in current session\r
 713                         responseCode = DCM_E_SERVICENOTSUPPORTEDINACTIVESESSION;\r
 714                 }\r
 715         }\r
 716         else {  // Read access not configured\r
 717                 responseCode = DCM_E_REQUESTOUTOFRANGE;\r
 718         }\r
 719 \r
 720         if (responseCode == DCM_E_POSITIVERESPONSE) {\r
 721                 // Recurse trough the rest of the dids.         /** @req DCM440 **/\r
 722                 uint16 i;\r
 723                 for (i=0; (!didPtr->DspDidRef[i]->Arc_EOL) && (responseCode == DCM_E_POSITIVERESPONSE); i++) {\r
 724                         responseCode = DspReadDidData(didPtr->DspDidRef[i], pduTxData, txPos);\r
 725                 }\r
 726         }\r
 727 \r
 728         return responseCode;\r
 729 }\r
 730 \r
 731 void DspUdsReadDataByIdentifier(const PduInfoType *pduRxData, PduInfoType *pduTxData)\r
 732 {\r
 733         /** @req DCM253 **/\r
 734         Dcm_NegativeResponseCodeType responseCode = DCM_E_POSITIVERESPONSE;\r
 735         uint8 nrOfDids;\r
 736         uint16 didNr;\r
 737         const Dcm_DspDidType *didPtr = NULL;\r
 738 \r
 739         uint16 txPos = 1;\r
 740         uint16 i;\r
 741 \r
 742         if ((pduRxData->SduLength - 1) % 2 == 0 ) {\r
 743                 nrOfDids = (pduRxData->SduLength - 1) / 2;\r
 744 \r
 745                 for (i = 0; (i < nrOfDids) && (responseCode == DCM_E_POSITIVERESPONSE); i++) {\r
 746                         didNr = (pduRxData->SduDataPtr[1+i*2] << 8) + pduRxData->SduDataPtr[2+i*2];\r
 747                         if (DspLookupDid(didNr, &didPtr)) {     /** @req DCM438 **/\r
 748                                 responseCode = DspReadDidData(didPtr, pduTxData, &txPos);\r
 749                         }\r
 750                         else { // DID not found\r
 751                                 responseCode = DCM_E_REQUESTOUTOFRANGE;\r
 752                         }\r
 753                 }\r
 754         }\r
 755         else {\r
 756                 responseCode = DCM_E_INCORRECTMESSAGELENGTHORINVALIDFORMAT;\r
 757         }\r
 758 \r
 759         if (responseCode == DCM_E_POSITIVERESPONSE) {\r
 760                 pduTxData->SduLength = txPos;\r
 761         }\r
 762 \r
 763         DsdDspProcessingDone(responseCode);\r
 764 }\r
 765 \r
 766 \r
 767 Dcm_NegativeResponseCodeType DspReadDidScalingData(const Dcm_DspDidType *didPtr, PduInfoType *pduTxData, uint16 *txPos)\r
 768 {\r
 769         Dcm_NegativeResponseCodeType responseCode = DCM_E_POSITIVERESPONSE;\r
 770 \r
 771         if (didPtr->DspDidGetScalingInfoFnc != NULL) {\r
 772                 uint16 scalingInfoLen;\r
 773 \r
 774                 scalingInfoLen = didPtr->DspDidInfoRef->DspDidScalingInfoSize;\r
 775                 if ((*txPos + scalingInfoLen + 2) <= pduTxData->SduLength) {\r
 776                         Std_ReturnType result;\r
 777                         Dcm_NegativeResponseCodeType errorCode;\r
 778 \r
 779                         pduTxData->SduDataPtr[*txPos] = (didPtr->DspDidIdentifier >> 8) & 0xFF;\r
 780                         (*txPos)++;\r
 781                         pduTxData->SduDataPtr[*txPos] = (didPtr->DspDidIdentifier >> 0) & 0xFF;\r
 782                         (*txPos)++;\r
 783                         result = didPtr->DspDidGetScalingInfoFnc(&pduTxData->SduDataPtr[*txPos], &errorCode);   /** @req DCM394 **/\r
 784                         *txPos += scalingInfoLen;\r
 785 \r
 786                         if ((result != E_OK) || (errorCode != DCM_E_POSITIVERESPONSE)) {\r
 787                                 responseCode = DCM_E_CONDITIONSNOTCORRECT;\r
 788                         }\r
 789                 }\r
 790                 else { // tx buffer full\r
 791                         responseCode = DCM_E_REQUESTOUTOFRANGE;\r
 792                 }\r
 793         }\r
 794         else {  // DspDidGetScalingInfoFnc null pointer\r
 795                 responseCode = DCM_E_CONDITIONSNOTCORRECT;\r
 796         }\r
 797 \r
 798         return responseCode;\r
 799 }\r
 800 \r
 801 void DspUdsReadScalingDataByIdentifier(const PduInfoType *pduRxData, PduInfoType *pduTxData)\r
 802 {\r
 803         /** @req DCM258 **/\r
 804         Dcm_NegativeResponseCodeType responseCode = DCM_E_POSITIVERESPONSE;\r
 805         uint16 didNr;\r
 806         const Dcm_DspDidType *didPtr = NULL;\r
 807 \r
 808         uint16 txPos = 1;\r
 809 \r
 810         if (pduRxData->SduLength == 3) {\r
 811                 didNr = (pduRxData->SduDataPtr[1] << 8) + pduRxData->SduDataPtr[2];\r
 812                 if (DspLookupDid(didNr, &didPtr)) {\r
 813                         responseCode = DspReadDidScalingData(didPtr, pduTxData, &txPos);\r
 814                 }\r
 815                 else { // DID not found\r
 816                         responseCode = DCM_E_REQUESTOUTOFRANGE;\r
 817                 }\r
 818 \r
 819                 if (responseCode == DCM_E_POSITIVERESPONSE) {\r
 820                         pduTxData->SduLength = txPos;\r
 821                 }\r
 822         }\r
 823         else {\r
 824                 // Length not ok\r
 825                 responseCode = DCM_E_INCORRECTMESSAGELENGTHORINVALIDFORMAT;\r
 826         }\r
 827 \r
 828         DsdDspProcessingDone(responseCode);\r
 829 }\r
 830 \r
 831 \r
 832 Dcm_NegativeResponseCodeType DspWriteDidData(const Dcm_DspDidType *didPtr, const PduInfoType *pduRxData, uint16 writeDidLen)\r
 833 {\r
 834         Dcm_NegativeResponseCodeType responseCode = DCM_E_POSITIVERESPONSE;\r
 835 \r
 836         if ((didPtr->DspDidInfoRef->DspDidAccess.DspDidWrite != NULL) && (didPtr->DspDidConditionCheckWriteFnc != NULL) && (didPtr->DspDidWriteDataFnc != NULL)) {      /** @req DCM468 **/\r
 837                 if (DspCheckSessionLevel(didPtr->DspDidInfoRef->DspDidAccess.DspDidWrite->DspDidWriteSessionRef)) { /** @req DCM469 **/\r
 838                         if (DspCheckSecurityLevel(didPtr->DspDidInfoRef->DspDidAccess.DspDidWrite->DspDidWriteSecurityLevelRef)) { /** @req DCM470 **/\r
 839                                 Std_ReturnType result;\r
 840                                 Dcm_NegativeResponseCodeType errorCode;\r
 841                                 result = didPtr->DspDidConditionCheckWriteFnc(&errorCode);      /** @req DCM471 **/\r
 842                                 if ((result == E_OK) && (errorCode == DCM_E_POSITIVERESPONSE)) {\r
 843                                         uint16 didLen;\r
 844                                         result = E_NOT_OK;\r
 845                                         if (didPtr->DspDidInfoRef->DspDidFixedLength) { /** @req DCM472 **/\r
 846                                                 didLen = didPtr->DspDidSize;\r
 847                                                 result = E_OK;\r
 848                                         }\r
 849                                         else {\r
 850                                                 if (didPtr->DspDidReadDataLengthFnc != NULL) {\r
 851                                                         result = didPtr->DspDidReadDataLengthFnc(&didLen);\r
 852                                                 }\r
 853                                         }\r
 854 \r
 855                                         if (result == E_OK) {\r
 856                                                 if (didLen == writeDidLen) {    /** @req DCM473 **/\r
 857                                                         result = didPtr->DspDidWriteDataFnc(&pduRxData->SduDataPtr[3], didLen, &errorCode);     /** @req DCM395 **/\r
 858                                                         if ((result != E_OK) || (errorCode != DCM_E_POSITIVERESPONSE)) {\r
 859                                                                 responseCode = DCM_E_CONDITIONSNOTCORRECT;\r
 860                                                         }\r
 861                                                 }\r
 862                                                 else {\r
 863                                                         responseCode = DCM_E_INCORRECTMESSAGELENGTHORINVALIDFORMAT;\r
 864                                                 }\r
 865                                         }\r
 866                                         else {  // Not possible to obtain did length\r
 867                                                 responseCode = DCM_E_CONDITIONSNOTCORRECT;\r
 868                                         }\r
 869                                 }\r
 870                                 else {  // CheckRead failed\r
 871                                         responseCode = DCM_E_CONDITIONSNOTCORRECT;\r
 872                                 }\r
 873                         }\r
 874                         else {  // Not allowed in current security level\r
 875                                 responseCode = DCM_E_SECUTITYACCESSDENIED;\r
 876                         }\r
 877                 }\r
 878                 else {  // Not allowed in current session\r
 879                         responseCode = DCM_E_SERVICENOTSUPPORTEDINACTIVESESSION;\r
 880                 }\r
 881         }\r
 882         else {  // Read access not configured\r
 883                 responseCode = DCM_E_REQUESTOUTOFRANGE;\r
 884         }\r
 885 \r
 886         return responseCode;\r
 887 }\r
 888 \r
 889 void DspUdsWriteDataByIdentifier(const PduInfoType *pduRxData, PduInfoType *pduTxData)\r
 890 {\r
 891         /** @req DCM255 **/\r
 892         Dcm_NegativeResponseCodeType responseCode = DCM_E_POSITIVERESPONSE;\r
 893         uint16 didNr;\r
 894         const Dcm_DspDidType *didPtr = NULL;\r
 895 \r
 896         uint16 didDataLength;\r
 897 \r
 898         didDataLength = pduRxData->SduLength - 3;\r
 899         didNr = (pduRxData->SduDataPtr[1] << 8) + pduRxData->SduDataPtr[2];\r
 900         if (DspLookupDid(didNr, &didPtr)) {     /** @req DCM467 **/\r
 901                 responseCode = DspWriteDidData(didPtr, pduRxData, didDataLength);\r
 902         }\r
 903         else { // DID not found\r
 904                 responseCode = DCM_E_REQUESTOUTOFRANGE;\r
 905         }\r
 906 \r
 907         if (responseCode == DCM_E_POSITIVERESPONSE) {\r
 908                 pduTxData->SduLength = 3;\r
 909                 pduTxData->SduDataPtr[1] = (didNr >> 8) & 0xFF;\r
 910                 pduTxData->SduDataPtr[2] = (didNr >> 0) & 0xFF;\r
 911         }\r
 912 \r
 913         DsdDspProcessingDone(responseCode);\r
 914 }\r
 915 \r
 916 \r
 917 void DspUdsSecurityAccess(const PduInfoType *pduRxData, PduInfoType *pduTxData)\r
 918 {\r
 919         /** @req DCM252 **/\r
 920         Dcm_NegativeResponseCodeType responseCode = DCM_E_POSITIVERESPONSE;\r
 921 \r
 922         // Check sub function range (0x01 to 0x42)\r
 923         if ((pduRxData->SduDataPtr[1] >= 0x01) && (pduRxData->SduDataPtr[1] <= 0x42)) {\r
 924                 boolean isRequestSeed = pduRxData->SduDataPtr[1] & 0x01;\r
 925                 Dcm_SecLevelType requestedSecurityLevel = (pduRxData->SduDataPtr[1]-1)/2;\r
 926                 Std_ReturnType getSeedResult;\r
 927                 Dcm_NegativeResponseCodeType getSeedErrorCode;\r
 928 \r
 929                 if (isRequestSeed) {\r
 930                         // requestSeed message\r
 931                         // Check if type exist in security table\r
 932                         const Dcm_DspSecurityRowType *securityRow = &DCM_Config.Dsp->DspSecurity->DspSecurityRow[0];\r
 933                         while ((securityRow->DspSecurityLevel != requestedSecurityLevel) && !securityRow->Arc_EOL) {\r
 934                                 securityRow++;\r
 935                         }\r
 936                         if (!securityRow->Arc_EOL) {\r
 937                                 // Check length\r
 938                                 if (pduRxData->SduLength == (2 + securityRow->DspSecurityADRSize)) {    /** @req DCM321.1 **/\r
 939                                         Dcm_SecLevelType activeSecLevel;\r
 940                                         Dcm_GetSecurityLevel(&activeSecLevel);\r
 941                                         if (requestedSecurityLevel == activeSecLevel) {         /** @req DCM323 **/\r
 942                                                 pduTxData->SduDataPtr[1] = pduRxData->SduDataPtr[1];\r
 943                                                 // If same level set the seed to zeroes\r
 944                                                 memset(&pduTxData->SduDataPtr[2], 0, securityRow->DspSecuritySeedSize);\r
 945                                                 pduTxData->SduLength = 2 + securityRow->DspSecuritySeedSize;\r
 946                                         }\r
 947                                         else {\r
 948                                                 // New security level ask for seed\r
 949                                                 getSeedResult = securityRow->GetSeed(&pduRxData->SduDataPtr[2], &pduTxData->SduDataPtr[2], &getSeedErrorCode);\r
 950                                                 if ((getSeedResult == E_OK) && (getSeedErrorCode == E_OK)) {\r
 951                                                         // Everything ok add sub function to tx message and send it.\r
 952                                                         pduTxData->SduDataPtr[1] = pduRxData->SduDataPtr[1];\r
 953                                                         pduTxData->SduLength = 2 + securityRow->DspSecuritySeedSize;\r
 954 \r
 955                                                         dspUdsSecurityAccesData.reqSecLevel = requestedSecurityLevel;\r
 956                                                         dspUdsSecurityAccesData.reqSecLevelRef = securityRow;\r
 957                                                         dspUdsSecurityAccesData.reqInProgress = TRUE;\r
 958                                                 }\r
 959                                                 else {\r
 960                                                         // GetSeed returned not ok\r
 961                                                         responseCode = DCM_E_INCORRECTMESSAGELENGTHORINVALIDFORMAT;\r
 962                                                 }\r
 963                                         }\r
 964                                 }\r
 965                                 else {\r
 966                                         // Length not ok\r
 967                                         responseCode = DCM_E_INCORRECTMESSAGELENGTHORINVALIDFORMAT;\r
 968                                 }\r
 969                         }\r
 970                         else {\r
 971                                 // Requested security level not configured\r
 972                                 responseCode = DCM_E_INCORRECTMESSAGELENGTHORINVALIDFORMAT;\r
 973                         }\r
 974                 }\r
 975                 else {\r
 976                         // sendKey message\r
 977                         if (dspUdsSecurityAccesData.reqInProgress) {\r
 978                                 if (pduRxData->SduLength == (2 + dspUdsSecurityAccesData.reqSecLevelRef->DspSecurityKeySize)) { /** @req DCM321 **/\r
 979                                         if (requestedSecurityLevel == dspUdsSecurityAccesData.reqSecLevel) {\r
 980                                                 Std_ReturnType compareKeyResult;\r
 981                                                 compareKeyResult = dspUdsSecurityAccesData.reqSecLevelRef->CompareKey(&pduRxData->SduDataPtr[2]);\r
 982                                                 if (compareKeyResult == E_OK) {\r
 983                                                         // Request accepted\r
 984                                                         // Kill timer\r
 985                                                         DslSetSecurityLevel(dspUdsSecurityAccesData.reqSecLevelRef->DspSecurityLevel);\r
 986                                                         dspUdsSecurityAccesData.reqInProgress = FALSE;\r
 987                                                         pduTxData->SduDataPtr[1] = pduRxData->SduDataPtr[1];\r
 988                                                         pduTxData->SduLength = 2;\r
 989                                                 }\r
 990                                                 else {\r
 991                                                         responseCode = DCM_E_CONDITIONSNOTCORRECT;\r
 992                                                 }\r
 993                                         }\r
 994                                         else {\r
 995                                                 responseCode = DCM_E_CONDITIONSNOTCORRECT;\r
 996                                         }\r
 997                                 }\r
 998                                 else {\r
 999                                         // Length not ok\r
1000                                         responseCode = DCM_E_INCORRECTMESSAGELENGTHORINVALIDFORMAT;\r
1001                                 }\r
1002                         }\r
1003                         else {\r
1004                                 // sendKey request without a preceding requestSeed\r
1005                                 responseCode = DCM_E_REQUESTSEQUENCEERROR;\r
1006                         }\r
1007                 }\r
1008         }\r
1009         else {\r
1010                 responseCode = DCM_E_SUBFUNCTIONNOTSUPPORTED;\r
1011         }\r
1012 \r
1013         DsdDspProcessingDone(responseCode);\r
1014 }\r
1015 \r
1016 \r
1017 void DspUdsTesterPresent(const PduInfoType *pduRxData, PduInfoType *pduTxData)\r
1018 {\r
1019         if (pduRxData->SduLength == 2) {\r
1020                 switch (pduRxData->SduDataPtr[1])\r
1021                 {\r
1022                 case ZERO_SUB_FUNCTION:\r
1023                         DslResetSessionTimeoutTimer();\r
1024                         // Create positive response\r
1025                         /** @req DCM039.1 **/\r
1026                         pduTxData->SduDataPtr[1] = ZERO_SUB_FUNCTION;\r
1027                         pduTxData->SduLength = 2;\r
1028                         DsdDspProcessingDone(DCM_E_POSITIVERESPONSE); /** @req DCM269.1 **/\r
1029                         break;\r
1030 \r
1031                 default:\r
1032                         DsdDspProcessingDone(DCM_E_SUBFUNCTIONNOTSUPPORTED);    /** @req DCM273.1 **/\r
1033                         break;\r
1034                 }\r
1035         }\r
1036         else {\r
1037                 // Wrong length\r
1038                 DsdDspProcessingDone(DCM_E_INCORRECTMESSAGELENGTHORINVALIDFORMAT);      /** @req DCM272.1 **/\r
1039         }\r
1040 }\r
1041 \r
1042 \r
1043 void DspUdsControlDtcSetting(const PduInfoType *pduRxData, PduInfoType *pduTxData)\r
1044 {\r
1045         Dem_ReturnControlDTCStorageType resultCode;\r
1046 \r
1047         if (pduRxData->SduLength == 2) {\r
1048                 switch (pduRxData->SduDataPtr[1])\r
1049                 {\r
1050                 case 0x01:      // ON   /** @req DCM249.1 **/\r
1051                         resultCode = Dem_EnableDTCStorage(DEM_DTC_GROUP_ALL_DTCS, DEM_DTC_KIND_ALL_DTCS);               /** @req DCM304 **/\r
1052                         if (resultCode == DEM_CONTROL_DTC_STORAGE_OK) {\r
1053                                 pduTxData->SduDataPtr[1] = 0x01;\r
1054                                 pduTxData->SduLength = 2;\r
1055                                 DsdDspProcessingDone(DCM_E_POSITIVERESPONSE);\r
1056                         }\r
1057                         else {\r
1058                                 DsdDspProcessingDone(DCM_E_REQUESTOUTOFRANGE);\r
1059                         }\r
1060                         break;\r
1061 \r
1062                 case 0x02:      // OFF  /** @req DCM249.2 **/\r
1063                         resultCode = Dem_DisableDTCStorage(DEM_DTC_GROUP_ALL_DTCS, DEM_DTC_KIND_ALL_DTCS);              /** @req DCM406 **/\r
1064                         if (resultCode == DEM_CONTROL_DTC_STORAGE_OK) {\r
1065                                 pduTxData->SduDataPtr[1] = 0x02;\r
1066                                 pduTxData->SduLength = 2;\r
1067                                 DsdDspProcessingDone(DCM_E_POSITIVERESPONSE);\r
1068                         }\r
1069                         else {\r
1070                                 DsdDspProcessingDone(DCM_E_REQUESTOUTOFRANGE);\r
1071                         }\r
1072                         break;\r
1073 \r
1074                 default:\r
1075                         DsdDspProcessingDone(DCM_E_SUBFUNCTIONNOTSUPPORTED);\r
1076                         break;\r
1077                 }\r
1078         }\r
1079         else {\r
1080                 // Wrong length\r
1081                 DsdDspProcessingDone(DCM_E_INCORRECTMESSAGELENGTHORINVALIDFORMAT);\r
1082         }\r
1083 }\r
1084 \r
1085 \r
1086 void DspDcmConfirmation(PduIdType confirmPduId)\r
1087 {\r
1088         if (dspUdsEcuResetData.resetPending) {\r
1089                 if (confirmPduId == dspUdsEcuResetData.resetPduId) {\r
1090                         dspUdsEcuResetData.resetPending = FALSE;\r
1091                         Mcu_PerformReset();\r
1092                 }\r
1093         }\r
1094 }\r
1095 \r
1096 \r
1097 \r