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