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