/* BEGIN_FILE_HDR ******************************************************************************* * NOTICE * This software is the property of HiRain Technologies. Any information * contained in this doc should not be reproduced, or used, or disclosed * without the written authorization from HiRain Technologies. ******************************************************************************* * File Name : E2E_P04.c ******************************************************************************* * Project/Product : AUTOSAR R21-11 * Title : End-to-End protect module * Author : Hirain ******************************************************************************* * Description : The source file of the End-to-End module. * ******************************************************************************* * Limitations : None * ******************************************************************************* * ******************************************************************************* * Revision History: * * Version Date Initials CR# Descriptions * --------- ---------- ------------ ---------- --------------- * 04.00.00 01/08/2022 wenbo.cui N/A Original ******************************************************************************* * END_FILE_HDR*/ /****************************************************************************** * Includes ******************************************************************************/ #include "E2E_P04.h" /******************************************************************************* * General QAC Suppression *******************************************************************************/ /*PRQA S 3214,0862,3614 EOF*/ /* According to the requirements of AUTOSAR Specification,when locating address segments in the files of each module,#include "E2E_MemMap.h" is required.Defined XXX_START_SEC_ will undefine in E2E_MemMap.h */ /*PRQA S 3432 EOF*/ /* P2VAR and other macros in the Compiler conforms to AUTOSAR standard.There's no need to revise. */ /***************************************************************************** * E2E QAC Suppression *****************************************************************************/ /*PRQA S 4640,4641 EOF*/ /* Function, macrodefinition is named with a fixed requirement and does not make changes */ /*PRQA S 3435,3456 EOF*/ /* Allow multiple use parameters in macros */ /*PRQA S 3429,3453 EOF*/ /* Allow the use of macrofunction access definitions, and the department is verified and there is no problem. */ /****************************************************************************** * Macro ******************************************************************************/ /*header length and offset defined in bytes*/ #define E2E_P04_HEADER_BYTE_LENGTH ((uint16)12) #define E2E_P04_LENGTH_OFFSET ((uint16)0) #define E2E_P04_COUNTER_OFFSET ((uint16)2) #define E2E_P04_DATAID_OFFSET ((uint16)4) #define E2E_P04_CRC_OFFSET ((uint16)8) #define E2E_P04_BYTE_OFFSET_BIT ((uint32)8) #define E2E_P04_TWOBYTE_OFFSET_BIT ((uint32)16) #define E2E_P04_THRESSBYTE_OFFSET_BIT ((uint32)24) #define E2E_P04_BYTE_MASK ((uint8)0xFF) #define E2E_P04_CRC_INIT_VALUE ((uint32)0xFFFFFFFF) #define E2E_P04_INDEX_2 (2) #define E2E_P04_INDEX_3 (3) /*data length defined in bits*/ #define E2E_P04_MAX_DATA_LENGTH ((uint16)0x8000) #define E2E_P04_MIN_DATA_LENGTH ((uint16)(E2E_P04_HEADER_BYTE_LENGTH * (uint16)8)) #define E2E_P04_DATA_UINT_BIT ((uint16)8) #define E2E_P04_MAX_COUNTER_VALUE ((uint16)0xFFFF) #define E2E_P04_GET_HEADEROFFSET(config) (((config)->Offset) >> (uint16)3) #define E2E_P04_BETOMCU16(data) (uint16)( (uint16)(((uint16)(data)[0] & (uint16)0x00FF) << (uint16)8)\ | (uint16)(((uint16)(data)[1] & (uint16)0x00FF) << (uint16)0)) #define E2E_P04_BETOMCU32(data) (uint32)( (((uint32)(data)[0] & (uint32)0xFF) << (uint32)24)\ | (((uint32)(data)[1] & (uint32)0xFF) << (uint32)16)\ | (((uint32)(data)[2] & (uint32)0xFF) << (uint32)8)\ | (((uint32)(data)[3] & (uint32)0xFF) << (uint32)0)) #define E2E_P04_BYTE_ALIGNED_MASK ((uint16)0x0007) #define E2E_P04_IS_NOT_BYTE_ALIGNED(bit) ((uint16)((bit) & E2E_P04_BYTE_ALIGNED_MASK) != (uint16)0) #define E2E_START_SEC_CODE #include "E2E_MemMap.h" /****************************************************************************** * Private Functions Declare ******************************************************************************/ STATIC FUNC(void, E2E_CODE)E2E_P04CheckRecvCounter ( uint16 Counter, P2CONST(E2E_P04ConfigType, AUTOMATIC, E2E_APPL_CONST) Config, P2VAR(E2E_P04CheckStateType, AUTOMATIC, E2E_APPL_DATA) State ); STATIC FUNC(uint16, E2E_CODE) E2E_P04GetDeltaCounter ( uint16 Counter, uint16 LastValidCounter ); STATIC FUNC(uint32, E2E_CODE)E2E_P04GetCrc ( uint16 Offset, uint16 Length, P2CONST(uint8, AUTOMATIC, E2E_APPL_DATA) Data ); STATIC FUNC(void, E2E_CODE)E2E_P04Mcu32ToBeData ( P2VAR(uint8, AUTOMATIC, E2E_APPL_DATA) DataPtr, uint32 data ); STATIC FUNC(void, E2E_CODE)E2E_P04Mcu16ToBeData ( P2VAR(uint8, AUTOMATIC, E2E_APPL_DATA) DataPtr, uint16 data ); /****************************************************************************** * Private Functions ******************************************************************************/ /* BEGIN_FUNCTION_HDR ******************************************************************************* * Function Name: E2E_P04CheckRecvCounter * * Description: Check the received counter. * * Inputs: Counter : Received counter. * Config : Pointer to static configuration. * State : Pointer to port/data communication state. * * Outputs: None. * * Limitations: None ******************************************************************************* END_FUNCTION_HDR */ /*SWS_E2E_00361*/ STATIC FUNC(void, E2E_CODE)E2E_P04CheckRecvCounter ( uint16 Counter, P2CONST(E2E_P04ConfigType, AUTOMATIC, E2E_APPL_CONST) Config, P2VAR(E2E_P04CheckStateType, AUTOMATIC, E2E_APPL_DATA) State ) { uint16 DeltaCounter; /*compute delta counter*/ DeltaCounter = E2E_P04GetDeltaCounter(Counter, State->Counter); if((uint16)0 == DeltaCounter) { State->Status = E2E_P04STATUS_REPEATED; } else if((uint16)1 == DeltaCounter) { State->Status = E2E_P04STATUS_OK; } else if(DeltaCounter <= Config->MaxDeltaCounter) { State->Status = E2E_P04STATUS_OKSOMELOST; } else { State->Status = E2E_P04STATUS_WRONGSEQUENCE; } State->Counter = Counter; } /* BEGIN_FUNCTION_HDR ******************************************************************************* * Function Name: E2E_P04GetDeltaCounter * * Description: Calculate the delta counter. * * Inputs: Counter : Received counter. * LastValidCounter : The last valid counter value. * * Outputs: The delta counter value. * * Limitations: None ******************************************************************************* END_FUNCTION_HDR */ STATIC FUNC(uint16, E2E_CODE) E2E_P04GetDeltaCounter ( uint16 Counter, uint16 LastValidCounter ) { uint16 DeltaCounter; if(Counter >= LastValidCounter) { DeltaCounter = Counter - LastValidCounter; } else { DeltaCounter = ((uint16)(E2E_P04_MAX_COUNTER_VALUE - LastValidCounter) + (uint16)1) + Counter; } return DeltaCounter; } /* BEGIN_FUNCTION_HDR ******************************************************************************* * Function Name: E2E_P04GetCrc * * Description: Calculate the crc value. * * Inputs: Offset : Protect header offset in bytes. * Length : Data length in bytes. * Data : Pointer to the data to be protected. * * Outputs: The crc value. * * Limitations: None ******************************************************************************* END_FUNCTION_HDR */ STATIC FUNC(uint32, E2E_CODE)E2E_P04GetCrc ( uint16 Offset, uint16 Length, P2CONST(uint8, AUTOMATIC, E2E_APPL_DATA) Data ) { uint32 crc = E2E_P04_CRC_INIT_VALUE; uint16 CrcCopyLength; /*compute CRC over bytes that are before CRC.*//*SWS_E2E_00221*//*SWS_E2E_00329*//*SWS_E2E_00330*/ /*SWS_E2E_00367*//*SWS_E2E_00110*/ CrcCopyLength = Offset + E2E_P04_CRC_OFFSET; crc = Crc_CalculateCRC32P4(&Data[0], (uint32)CrcCopyLength, crc, TRUE); if((Offset + E2E_P04_HEADER_BYTE_LENGTH) < Length) { /*Compute CRC over bytes that are after CRC*//*SWS_E2E_00221*//*SWS_E2E_00329*//*SWS_E2E_00330*/ /*SWS_E2E_00367*//*SWS_E2E_00110*/ CrcCopyLength = (uint16)(Length - Offset) - E2E_P04_HEADER_BYTE_LENGTH; crc = Crc_CalculateCRC32P4(&Data[Offset + E2E_P04_HEADER_BYTE_LENGTH], (uint32)CrcCopyLength, crc, FALSE); } return crc; } /* BEGIN_FUNCTION_HDR ******************************************************************************* * Function Name: E2E_P04Mcu32ToBeData * * Description: Converte the 32-bit data to big endian 8-bit data * * Inputs: DataPtr : Pointer to the data. * Data : Data to be converted. * * Outputs: None. * * Limitations: None ******************************************************************************* END_FUNCTION_HDR */ STATIC FUNC(void, E2E_CODE)E2E_P04Mcu32ToBeData ( P2VAR(uint8, AUTOMATIC, E2E_APPL_DATA) DataPtr, uint32 data ) { DataPtr[0] = (uint8)((uint8)(data >> E2E_P04_THRESSBYTE_OFFSET_BIT) & E2E_P04_BYTE_MASK); DataPtr[1] = (uint8)((uint8)(data >> E2E_P04_TWOBYTE_OFFSET_BIT) & E2E_P04_BYTE_MASK); DataPtr[E2E_P04_INDEX_2] = (uint8)((uint8)(data >> E2E_P04_BYTE_OFFSET_BIT) & E2E_P04_BYTE_MASK); DataPtr[E2E_P04_INDEX_3] = (uint8)((uint8)data & E2E_P04_BYTE_MASK); } /* BEGIN_FUNCTION_HDR ******************************************************************************* * Function Name: E2E_P04Mcu16ToBeData * * Description: Converte the 16-bit data to big endian 8-bit data * * Inputs: DataPtr : Pointer to the data. * Data : Data to be converted. * * Outputs: None. * * Limitations: None ******************************************************************************* END_FUNCTION_HDR */ STATIC FUNC(void, E2E_CODE)E2E_P04Mcu16ToBeData ( P2VAR(uint8, AUTOMATIC, E2E_APPL_DATA) DataPtr, uint16 data ) { DataPtr[0] = (uint8)((uint8)(data >> E2E_P04_DATA_UINT_BIT) & E2E_P04_BYTE_MASK); DataPtr[1] = (uint8)((uint8)data & E2E_P04_BYTE_MASK); } /****************************************************************************** * Public Funtions ******************************************************************************/ /* BEGIN_FUNCTION_HDR ******************************************************************************* * Function Name: E2E_P04ProtectInit * * Description: Initializes the protection state. * * Inputs: StatePtr : Pointer to port/data communication state. * * Outputs: E2E_E_INPUTERR_NULL, * E2E_E_OK * * Limitations: None ******************************************************************************* END_FUNCTION_HDR */ /*SWS_E2E_00373*/ FUNC(Std_ReturnType, E2E_CODE) E2E_P04ProtectInit ( P2VAR(E2E_P04ProtectStateType, AUTOMATIC, E2E_APPL_DATA) StatePtr ) { Std_ReturnType ret; /*SWS_E2E_00377*//*SWS_E2E_00011*/ if(NULL_PTR == StatePtr) { ret = E2E_E_INPUTERR_NULL; } else { ret = E2E_E_OK; /*SWS_E2E_00478*/ StatePtr->Counter = (uint16)0; } return ret; } /* BEGIN_FUNCTION_HDR ******************************************************************************* * Function Name: E2E_P04Protect * * Description: Protects the array/buffer to be transmitted using the E2E profile 4. * This includes checksum calculation, handling of counter and Data ID. * * Inputs: ConfigPtr : Pointer to static configuration. * StatePtr : Pointer to port/data communication state. * DataPtr : Pointer to Data to be transmitted. * Length : Length of the data in bytes. * * Outputs: E2E_E_INPUTERR_NULL, * E2E_E_INPUTERR_WRONG, * E2E_E_INTERR, * E2E_E_OK * * Limitations: None ******************************************************************************* END_FUNCTION_HDR */ /*SWS_E2E_00338*//*SWS_E2E_00362*/ FUNC(Std_ReturnType, E2E_CODE) E2E_P04Protect ( P2CONST(E2E_P04ConfigType, AUTOMATIC, E2E_APPL_CONST) ConfigPtr, P2VAR(E2E_P04ProtectStateType, AUTOMATIC, E2E_APPL_DATA) StatePtr, P2VAR(uint8, AUTOMATIC, E2E_APPL_DATA) DataPtr, uint16 Length ) { Std_ReturnType ret = E2E_E_OK; uint16 headerOffset; uint32 crc; /*verify input parameters*//*SWS_E2E_00011*//*SWS_E2E_00363*/ if((NULL_PTR == ConfigPtr) || (NULL_PTR == StatePtr) || (NULL_PTR == DataPtr)) { ret = E2E_E_INPUTERR_NULL; } else if (((ConfigPtr->MinDataLength) < E2E_P04_MIN_DATA_LENGTH) || (ConfigPtr->MinDataLength > ConfigPtr->MaxDataLength) || (ConfigPtr->MaxDataLength > E2E_P04_MAX_DATA_LENGTH) || (E2E_P04_IS_NOT_BYTE_ALIGNED(ConfigPtr->MinDataLength)) || (E2E_P04_IS_NOT_BYTE_ALIGNED(ConfigPtr->MaxDataLength))) { ret = E2E_E_INPUTERR_WRONG; } /*SWS_E2E_00363*/ else if (((Length * E2E_P04_DATA_UINT_BIT) < ConfigPtr->MinDataLength) || ((Length * E2E_P04_DATA_UINT_BIT) > ConfigPtr->MaxDataLength)) { ret = E2E_E_INPUTERR_WRONG; } else if ((ConfigPtr->Offset > ((uint16)(Length - E2E_P04_HEADER_BYTE_LENGTH) * E2E_P04_DATA_UINT_BIT)) || (E2E_P04_IS_NOT_BYTE_ALIGNED(ConfigPtr->Offset))) { ret = E2E_E_INPUTERR_WRONG; } else { /*Compute offset*//*SWS_E2E_00376*/ headerOffset = E2E_P04_GET_HEADEROFFSET(ConfigPtr); /*Write Length to data in big endian order*//*SWS_E2E_00372*//*SWS_E2E_00364*/ E2E_P04Mcu16ToBeData(&DataPtr[headerOffset + E2E_P04_LENGTH_OFFSET], Length); /*Write Counter to data in big endian order*//*SWS_E2E_00372*//*SWS_E2E_00365*/ E2E_P04Mcu16ToBeData(&DataPtr[headerOffset + E2E_P04_COUNTER_OFFSET], StatePtr->Counter); /*Write DataID to data in big endian order*//*SWS_E2E_00372*//*SWS_E2E_00326*//*SWS_E2E_00366*/ E2E_P04Mcu32ToBeData(&DataPtr[headerOffset + E2E_P04_DATAID_OFFSET], ConfigPtr->DataID); /*calculate crc*/ crc = E2E_P04GetCrc(headerOffset, Length, DataPtr); /*Write crc to data in big endian order*//*SWS_E2E_00372*//*SWS_E2E_00368*/ E2E_P04Mcu32ToBeData(&DataPtr[headerOffset + E2E_P04_CRC_OFFSET], crc); /*PRQA S 3383 ++*/ /*The previously logical judgment of the data is guaranteed that the data value will not overflow.*/ /*Increment Counter*//*SWS_E2E_00221*//*SWS_E2E_00478*//*SWS_E2E_00369*/ StatePtr->Counter++; /*PRQA S 3383 --*/ } return ret; } /* BEGIN_FUNCTION_HDR ******************************************************************************* * Function Name: E2E_P04Check * * Description: Checks the Data received using the E2E profile 4. This includes * CRC calculation, handling of Counter and Data ID. * * Inputs: ConfigPtr : Pointer to static configuration. * StatePtr : Pointer to port/data communication state. * DataPtr : Pointer to received data. * Length : Length of the data in bytes. * * Outputs: E2E_E_INPUTERR_NULL, * E2E_E_INPUTERR_WRONG, * E2E_E_INTERR, * E2E_E_OK * * Limitations: None ******************************************************************************* END_FUNCTION_HDR */ /*SWS_E2E_00339*//*SWS_E2E_00355*/ FUNC(Std_ReturnType, E2E_CODE)E2E_P04Check ( P2CONST(E2E_P04ConfigType, AUTOMATIC, E2E_APPL_CONST) ConfigPtr, P2VAR(E2E_P04CheckStateType, AUTOMATIC, E2E_APPL_DATA) StatePtr, P2CONST(uint8, AUTOMATIC, E2E_APPL_DATA) DataPtr, uint16 Length ) { Std_ReturnType ret = E2E_E_OK; uint32 calCrc; uint32 recvCrc; uint16 headOffset; uint16 recvCounter; uint16 recvLength; uint32 recvDataID; /*SWS_E2E_00011*//*SWS_E2E_00356*/ if((NULL_PTR == ConfigPtr) || (NULL_PTR == StatePtr)) { ret = E2E_E_INPUTERR_NULL; } /*check config data length*/ else if (((ConfigPtr->MinDataLength) < E2E_P04_MIN_DATA_LENGTH) || (ConfigPtr->MinDataLength > ConfigPtr->MaxDataLength) || (ConfigPtr->MaxDataLength > E2E_P04_MAX_DATA_LENGTH) || (E2E_P04_IS_NOT_BYTE_ALIGNED(ConfigPtr->MinDataLength)) || (E2E_P04_IS_NOT_BYTE_ALIGNED(ConfigPtr->MaxDataLength))) { ret = E2E_E_INPUTERR_WRONG; } else if (DataPtr == NULL_PTR) { /*check the length of received data*//*SWS_E2E_00356*/ if(Length != (uint16)0) { ret = E2E_E_INPUTERR_WRONG; } else { /*No data has been received*//*SWS_E2E_00361*/ StatePtr->Status = E2E_P04STATUS_NONEWDATA; } } /*check the length of received data*//*SWS_E2E_00356*/ else if (((Length * E2E_P04_DATA_UINT_BIT) > ConfigPtr->MaxDataLength) || ((Length * E2E_P04_DATA_UINT_BIT) < ConfigPtr->MinDataLength)) { ret = E2E_E_INPUTERR_WRONG; } /*the length of the data received is correct*/ else { if ((ConfigPtr->Offset > ((uint16)(Length - E2E_P04_HEADER_BYTE_LENGTH) * E2E_P04_DATA_UINT_BIT)) || (E2E_P04_IS_NOT_BYTE_ALIGNED(ConfigPtr->Offset))) { ret = E2E_E_INPUTERR_WRONG; } else { /*compute offset*/ headOffset = E2E_P04_GET_HEADEROFFSET(ConfigPtr); /*PRQA S 4571 ++*/ /*Allows less than int length data to shift and retrieve other operations, and the department is verified and there is no problem.*/ /*read received length from data*//*SWS_E2E_00357*/ recvLength = E2E_P04_BETOMCU16(&DataPtr[headOffset + E2E_P04_LENGTH_OFFSET]); /*read received counter from data*//*SWS_E2E_00358*/ recvCounter = E2E_P04_BETOMCU16(&DataPtr[headOffset + E2E_P04_COUNTER_OFFSET]); /*PRQA S 4571 --*/ /*read data ID from data*//*SWS_E2E_00359*/ recvDataID = E2E_P04_BETOMCU32(&DataPtr[headOffset + E2E_P04_DATAID_OFFSET]); /*read Source ID from data*//*SWS_E2E_00359*/ /*read received crc from data*//*SWS_E2E_00360*/ recvCrc = E2E_P04_BETOMCU32(&DataPtr[headOffset + E2E_P04_CRC_OFFSET]); /*Compute CRC*/ calCrc = E2E_P04GetCrc(headOffset, Length, DataPtr); /*Check if the received crc is equal to the calculated crc*//*SWS_E2E_00361*/ if((recvCrc == calCrc) && (recvDataID == ConfigPtr->DataID) && (recvLength == Length)) { /*check counter*/ E2E_P04CheckRecvCounter(recvCounter, ConfigPtr, StatePtr); } else { /*SWS_E2E_00361*/ StatePtr->Status = E2E_P04STATUS_ERROR; } } } return ret; } /* BEGIN_FUNCTION_HDR ******************************************************************************* * Function Name: E2E_P04CheckInit * * Description: Initializes the check state. * * Inputs: StatePtr : Pointer to port/data communication state. * * Outputs: E2E_E_INPUTERR_NULL, * E2E_E_OK * * Limitations: None ******************************************************************************* END_FUNCTION_HDR */ /*SWS_E2E_00350*/ FUNC(Std_ReturnType, E2E_CODE) E2E_P04CheckInit ( P2VAR(E2E_P04CheckStateType, AUTOMATIC, E2E_APPL_DATA) StatePtr ) { Std_ReturnType ret; /*SWS_E2E_00378*//*SWS_E2E_00011*/ if(NULL_PTR == StatePtr) { ret = E2E_E_INPUTERR_NULL; } else { StatePtr->Status = E2E_P04STATUS_ERROR; /*SWS_E2E_00471*/ StatePtr->Counter = E2E_P04_MAX_COUNTER_VALUE; ret = E2E_E_OK; } return ret; } /* BEGIN_FUNCTION_HDR ******************************************************************************* * Function Name: E2E_P04MapStatusToSM * * Description: The function maps the check status of Profile 4 to a generic * check status, which can be used by E2E state machine check function. * The E2E Profile 4 delivers a more fine-granular status, but this * is not relevant for the E2E state machine. * * Inputs: CheckReturn : Return value of the E2E_P04Check function. * Status : Status determined by E2E_P04Check function. * * Outputs: Profile-independent status of the reception on one single Data in one cycle. * * Limitations: None ******************************************************************************* END_FUNCTION_HDR */ /*SWS_E2E_00349*/ FUNC(E2E_PCheckStatusType, E2E_CODE) E2E_P04MapStatusToSM ( Std_ReturnType CheckReturn, E2E_P04CheckStatusType Status ) { E2E_PCheckStatusType CheckStatus; /*SWS_E2E_00351*/ if(E2E_E_OK == CheckReturn) { if((E2E_P04STATUS_OK == Status) || (E2E_P04STATUS_OKSOMELOST == Status)) { CheckStatus = E2E_P_OK; } else if(E2E_P04STATUS_ERROR == Status) { CheckStatus = E2E_P_ERROR; } else if(E2E_P04STATUS_REPEATED == Status) { CheckStatus = E2E_P_REPEATED; } else if(E2E_P04STATUS_NONEWDATA == Status) { CheckStatus = E2E_P_NONEWDATA; } else { CheckStatus = E2E_P_WRONGSEQUENCE; } } /*SWS_E2E_00352*/ else { CheckStatus = E2E_P_ERROR; } return CheckStatus; } #define E2E_STOP_SEC_CODE #include "E2E_MemMap.h"