/* * Copyright (c) 2022, Shenzhen CVA Innovation CO.,LTD * All rights reserved. * * Shenzhen CVA Innovation CO.,LTD (CVA chip) is supplying this file for use * exclusively with CVA's microcontroller products. This file can be freely * distributed within development tools that are supporting such microcontroller * products. * * THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. * CVA SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, * OR CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER. */ /******************************************************************************* * the includes ******************************************************************************/ #include #include "uds_service2E.h" /******************************************************************************* * the defines ******************************************************************************/ /******************************************************************************* * the typedefs ******************************************************************************/ /******************************************************************************* * the globals ******************************************************************************/ /******************************************************************************* * the constants ******************************************************************************/ /******************************************************************************* * the functions ******************************************************************************/ void UdsService2E_WriteDataByIdentifier(UdsType *obj, const uint8_t msgBuf[], uint16_t msgLen) { uint16_t didValue = 0; uint16_t didIdx = 0; uint8_t rspBuffer[8] = {0}; if(msgLen < obj->seviceTable[obj->curServiceIdx].minLen) { Uds_NegativeResponse(obj, 0x2E, NRC_INVALID_MESSAGE_LENGTH_OR_FORMAT); return; } didValue = ((uint16_t)msgBuf[1]) << 8; didValue |= msgBuf[2]; rspBuffer[0] = UDS_GET_POSITIVE_RSP(0x2E); rspBuffer[1] = msgBuf[1]; rspBuffer[2] = msgBuf[2]; for(didIdx = 0; didIdx < obj->didNum; didIdx++) { if(obj->didTable[didIdx].did == didValue) { if((obj->didTable[didIdx].securityLevel != UDS_SA_NONE) && (obj->securityLevel != obj->didTable[didIdx].securityLevel)) { Uds_NegativeResponse(obj, 0x22, NRC_SECURITY_ACCESS_DENIED); return; } else if((msgLen - 3) != obj->didTable[didIdx].length) { Uds_NegativeResponse(obj, 0x2E, NRC_INVALID_MESSAGE_LENGTH_OR_FORMAT); return; } if((UDS_DID_TYPE_NVM_RO == obj->didTable[didIdx].type) || (obj->session < obj->didTable[didIdx].sessionLevel)) { Uds_NegativeResponse(obj, 0x2E, NRC_CONDITIONS_NOT_CORRECT); return; } memcpy(obj->didTable[didIdx].pBytes, &msgBuf[3], obj->didTable[didIdx].length); /* add user code to save data */ /* check save data success */ /* polyspace-begin DEFECT:DEAD_CODE [No action planned:Low] "Still reserve though it's maybe unreachable" */ if(1) { Uds_PositiveResponse(obj, rspBuffer, 3); return; } else { Uds_NegativeResponse(obj, 0x2E, NRC_GENERAL_PROGRAMMING_FAILURE); return; } /* polyspace-end DEFECT:DEAD_CODE [No action planned:Low] "Still reserve though it's maybe unreachable" */ } } Uds_NegativeResponse(obj, 0x2E, NRC_REQUEST_OUT_OF_RANGE); }