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#include "UDS_27Service_Main.h"
#include "UDS_Common.h"
#include "libhello.h"
const uint8_t XorArray[4]= {0x31,0x23,0x56,0x71};
static void Ser27_CalculateKeyLV1(uint8_t Seed[],uint8_t Key[]) ;
void UDS_Service_27_Indication(uint32_t A_TA_type, uint16_t A_Length, uint8_t A_Data[])
{
uint8_t NRC = positiveResponse;
setDiagMSG(A_TA_type, A_Length, A_Data);
if(NRC == positiveResponse)
{
NRC = UDS_27Service_NRC11(); /*27服务是否支持功能寻址*/
}
if(NRC == positiveResponse)
{
NRC = UDS_27Service_NRC7F(); /*27服务会话是否支持验证*/
}
if(NRC == positiveResponse)
{
NRC = UDS_27Service_Sub_NRC12(); /*27服务子功能是否支持验证*/
}
if(NRC == positiveResponse)
{
NRC = UDS_27Service_Sub_NRC7E(); /*27服务子功能会话是否支持验证*/
}
if(NRC == positiveResponse)
{
NRC = UDS_27Service_Sub_NRC13_TotalLengthCheck(); /*27服务子功能总长度长度验证*/
}
if(NRC == positiveResponse)
{
NRC = UDS_27Service_NRC33(); /*27服务解锁等级验证*/
}
if(NRC == positiveResponse)
{
NRC = UDS_27Service_NRC22(); /*27服务条件验证*/
}
if(NRC == positiveResponse)
{
UDS_27Service_Sub(); /*27服务子功能*/
}
clearDiagMSG(); /*清除诊断信息*/
}
/**
*10服务子功能
*/
void UDS_27Service_Sub(void)
{
uint8_t NRC = positiveResponse;
/*if(NRC == positiveResponse)
{
NRC = UDS_27Service_Sub_NRC13_MinLengthCheck(); /*27服务子功能最小长度验证*/
/*}
if(NRC == positiveResponse)
{
NRC = UDS_27Service_Sub_NRC12(); /*27服务子功能是否支持验证*/
/*}
if(NRC == positiveResponse)
{
NRC = UDS_27Service_Sub_NRC7E(); /*27服务子功能会话是否支持验证*/
/*}*/
/*f(NRC == positiveResponse)
{
NRC = UDS_27Service_Sub_NRC13_TotalLengthCheck(); /*27服务子功能总长度长度验证*/
/*}*/
if(NRC == positiveResponse)
{
NRC = UDS_27Service_Sub_NRC24(); /*27服务子功能请求顺序验证*/
}
if(NRC == positiveResponse)
{
NRC = UDS_27Service_Sub_NRC31(); /*27服务子功能超出请求范围验证*/
}
/*if(NRC == positiveResponse)
{
NRC = UDS_27Service_Sub_NRC22(); /*27服务子功能条件验证*/
/*}*/
if(NRC == positiveResponse)
{
NRC = UDS_27Service_Sub_NRC37(); /*27延时验证*/
}
if(NRC == positiveResponse)
{
switch(DiagMSG.msgData.SidDetail.SubID) /*子服务判断*/
{
case requestSeed_LV1:
UDS_27Service_Sub01(); /*27服务01子功能*/
break;
case requestSeed_LV3:
UDS_27Service_Sub03(); /*27服务03子功能*/
break;
case sendKey_LV1:
UDS_27Service_Sub02(); /*27服务02子功能*/
break;
case sendKey_LV3:
UDS_27Service_Sub04(); /*27服务04子功能*/
break;
default:
break;
}
}
}
/**
*27服务01子功能
*/
void UDS_27Service_Sub01(void)
{
uint8_t randomseed[2];
uint8_t iKeySize = 2;
if(Ser27_FlowCtrl.LV1SafetyStatus != NormalKeyUnlock )
{
if(Ser27_FlowCtrl.LV1Ctrl != SER27_REQ_SEEDED)
{
Ser27_CreateRandomSeed();
Ser27_FlowCtrl.LV1Seed[0] = ((uint8_t)(Ser27_SeedRandomNumber) ^ 0x31u)+16u ;
Ser27_FlowCtrl.LV1Seed[1] = ((uint8_t)(Ser27_SeedRandomNumber>>8) ^ 0x56u)+9u ;
Ser27_FlowCtrl.LV1Seed[0] = 0x49u;
Ser27_FlowCtrl.LV1Seed[1] = 0xB4u;
}
else
{
/*Ser27_FlowCtrlCnt.LV1ReqSeedCnt +=1u;*/
}
/*
将FailCnt存入D-Flash
Ser27_WriteCtrlInfoToDFlash();*/
Ser27_FlowCtrl.LV1Ctrl = SER27_REQ_SEEDED;
/*if( Ser27_FlowCtrlCnt.LV1ReqSeedCnt >= SER27_MAX_REQ_SEED_NUM )
{
Ser27_EnDelayTimer();
Ser27_FlowCtrl.LV1Ctrl = SER27_CLEAR_REQ_SEEDED;
}*/
}
else
{
Ser27_FlowCtrl.LV1Seed[0] = 0u;
Ser27_FlowCtrl.LV1Seed[1] = 0u;
}
DiagMSG.msgData.SidDetail.Data[0] = Ser27_FlowCtrl.LV1Seed[0];
DiagMSG.msgData.SidDetail.Data[1] = Ser27_FlowCtrl.LV1Seed[1];
randomseed[0] = Ser27_FlowCtrl.LV1Seed[0];
randomseed[1] = Ser27_FlowCtrl.LV1Seed[1];
if((randomseed[0] ==0x00u) && (randomseed[1] ==0x00u))
{
}
else
{
GenerateKeyEx(randomseed,2,requestSeed_LV1,Ser27_FlowCtrl.LV1Key,(uint8_t*)&iKeySize);
}
if(DiagMSG.msgData.SidDetail.PositiveSuppression == 0u)
{
UDS_Service_Response(0x27u, POSITIVE_RSP, DIAG_ID_Tx, 3u, DiagMSG.msgData.Data);
}
}
/**
*27服务03子功能
*/
void UDS_27Service_Sub03(void)
{
uint8_t randomseed[2];
uint8_t iKeySize = 2;
if(Ser27_FlowCtrl.LV3SafetyStatus != NormalKeyUnlock )
{
if(Ser27_FlowCtrl.LV3Ctrl != SER27_REQ_SEEDED)
{
Ser27_CreateRandomSeed();
Ser27_FlowCtrl.LV3Seed[0] = ((uint8_t)(Ser27_SeedRandomNumber) ^ 0x31u)+16u ;
Ser27_FlowCtrl.LV3Seed[1] = ((uint8_t)(Ser27_SeedRandomNumber>>8) ^ 0x56u)+9u ;
Ser27_FlowCtrl.LV3Seed[0] = 0x49u;
Ser27_FlowCtrl.LV3Seed[1] = 0xB4u;
}
else
{
//Ser27_FlowCtrlCnt.LV3ReqSeedCnt +=1u;
}
/*
将FailCnt存入D-Flash
Ser27_WriteCtrlInfoToDFlash();*/
Ser27_FlowCtrl.LV3Ctrl = SER27_REQ_SEEDED;
/*if( Ser27_FlowCtrlCnt.LV3ReqSeedCnt >= SER27_MAX_REQ_SEED_NUM )
{
Ser27_EnDelayTimer();
Ser27_FlowCtrl.LV3Ctrl = SER27_CLEAR_REQ_SEEDED;
}*/
}
else
{
Ser27_FlowCtrl.LV3Seed[0] = 0u;
Ser27_FlowCtrl.LV3Seed[1] = 0u;
}
DiagMSG.msgData.SidDetail.Data[0] = Ser27_FlowCtrl.LV3Seed[0];
DiagMSG.msgData.SidDetail.Data[1] = Ser27_FlowCtrl.LV3Seed[1];
randomseed[0] = Ser27_FlowCtrl.LV3Seed[0];
randomseed[1] = Ser27_FlowCtrl.LV3Seed[1];
if((randomseed[0] ==0x00u) &&(randomseed[1] ==0x00u))
{
}
else
{
GenerateKeyEx(randomseed,2,requestSeed_LV1,Ser27_FlowCtrl.LV3Key,(uint8_t*)&iKeySize);
}
if(DiagMSG.msgData.SidDetail.PositiveSuppression == 0u)
{
UDS_Service_Response(0x27u, POSITIVE_RSP, DIAG_ID_Tx, 3u, DiagMSG.msgData.Data);
}
}
/**
*27服务02子功能
*/
void UDS_27Service_Sub02(void)
{
uint16_t KeyReceive;
uint16_t KeyCalcValue;
KeyReceive =(uint16_t)DiagMSG.msgData.SidDetail.Data[0];
KeyReceive =(KeyReceive<<8u) | ((uint16_t)DiagMSG.msgData.SidDetail.Data[1]);
KeyCalcValue =(uint16_t)Ser27_FlowCtrl.LV1Key[0];
KeyCalcValue =(KeyCalcValue<<8u) | ((uint16_t)Ser27_FlowCtrl.LV1Key[1]);
if(KeyReceive == KeyCalcValue)
{
Ser27_FlowCtrl.LV1SafetyStatus = NormalKeyUnlock;
Ser27_FlowCtrl.LV1Ctrl = SER27_CLEAR_REQ_SEEDED;
Ser27_FlowCtrlCnt.LV1InvaidKyeCnt = 0u;
Ser27_FlowCtrlCnt.LV1ReqSeedCnt = 0u;
DiagMSG.msgData.Data[0]=sendKey_LV1;
/*调用向flash写如函数*/
Ser27_WriteCtrlInfoToDFlash();
if(DiagMSG.msgData.SidDetail.PositiveSuppression == 0u)
{
UDS_Service_Response(0x27u, POSITIVE_RSP, DIAG_ID_Tx, 1u, DiagMSG.msgData.Data);
}
}
else
{
Ser27_FlowCtrlCnt.LV1ReqSeedCnt +=1u;
/*调用向flash写如函数*/
Ser27_WriteCtrlInfoToDFlash();
if(Ser27_FlowCtrlCnt.LV1ReqSeedCnt >= SER27_MAX_REQ_SEED_NUM )
{
Ser27_EnDelayTimer(BothDelay);
UDS_27Service_Sub_NRC36();
}
else
{
UDS_27Service_Sub_NRC35();
}
Ser27_FlowCtrl.LV1Ctrl = SER27_CLEAR_REQ_SEEDED;
}
}
/**
*27服务04子功能
*/
void UDS_27Service_Sub04(void)
{
uint16_t KeyReceive;
uint16_t KeyCalcValue;
KeyReceive =(uint16_t)DiagMSG.msgData.SidDetail.Data[0];
KeyReceive =(KeyReceive<<8u) | ((uint16_t)DiagMSG.msgData.SidDetail.Data[1]);
KeyCalcValue =(uint16_t)Ser27_FlowCtrl.LV3Key[0];
KeyCalcValue =(KeyCalcValue<<8u) | ((uint16_t)Ser27_FlowCtrl.LV1Key[1]);
if(KeyReceive == KeyCalcValue)
{
Ser27_FlowCtrl.LV3SafetyStatus = NormalKeyUnlock;
Ser27_FlowCtrl.LV3Ctrl = SER27_CLEAR_REQ_SEEDED;
Ser27_FlowCtrlCnt.LV3InvaidKyeCnt = 0u;
Ser27_FlowCtrlCnt.LV3ReqSeedCnt = 0u;
DiagMSG.msgData.Data[0]=sendKey_LV3;
/*调用向flash写如函数*/
Ser27_WriteCtrlInfoToDFlash();
if(DiagMSG.msgData.SidDetail.PositiveSuppression == 0u)
{
UDS_Service_Response(0x27u, POSITIVE_RSP, DIAG_ID_Tx, 1u, DiagMSG.msgData.Data);
}
}
else
{
Ser27_FlowCtrlCnt.LV3ReqSeedCnt +=1u;
/*调用向flash写如函数*/
Ser27_WriteCtrlInfoToDFlash();
if(Ser27_FlowCtrlCnt.LV3ReqSeedCnt >= SER27_MAX_REQ_SEED_NUM )
{
Ser27_EnDelayTimer(BothDelay);
UDS_27Service_Sub_NRC36();
}
else
{
UDS_27Service_Sub_NRC35();
}
Ser27_FlowCtrl.LV3Ctrl = SER27_CLEAR_REQ_SEEDED;
}
}