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/*
*********************************************************************
* Includes
*********************************************************************
*/
#include "kwp2000_tp.h"
#include "kwp2000_service.h"
#include "kwp2000_protocol.h"
#include "kwp2000_interface.h"
/*
*********************************************************************
* structure
*********************************************************************
*/
typedef unsigned char Kwp2000_Service_t(unsigned char *, unsigned char *);
typedef struct
{
unsigned char sId;
Kwp2000_Service_t *Kwp2000_Servie;
} Kwp2000_ServiceTab_Entry_t;
/*
*********************************************************************
* variable
*********************************************************************
*/
unsigned long Kwp2000_ComState_Flag;
/*
*********************************************************************
* function
*********************************************************************
*/
void Kwp2000_CallService(unsigned char Sid_u8);
unsigned char kwp2000_CalcSeriveTabSize(void);
/*-----------------------------------------------------------------------------------*/
const Kwp2000_ServiceTab_Entry_t Kwp2000_ServiceTab[] =
{
{KWP2000_ECURESET_REQUEST, kwp_EcuReset }, /* 0x11 */
{KWP2000_TESTERPRESENT_REQUEST, kwp_TesterPresent }, /* 0x3E */
{KWP2000_STARTCOMMUNICATION_REQUEST, kwp_StartCommunication }, /* 0x81 */
{KWP2000_STOPCOMMUNICATION_REQUEST, kwp_StopCommunication }, /* 0x82 */
{KWP2000_READECUIDENTIFICATION_REQUEST, kwp_readEcuIdentification }, /* 0x1A */
{KWP2000_WRITEDATABYLOCALIDENTIFIER_REQUEST, kwp_writeDataByLocalIdentifier }, /* 0x3B */
{KWP2000_READDATABYLOCALIDENTIFIER_REQUEST, kwp_readDataByLocalIdentifier }, /* 0x21 */
{KWP2000_READDATABYCOMMONIDENTIFIER_REQUEST, kwp_readDataByCommonIdentifier }, /* 0x22 */
{KWP2000_READDIAGNOSTICTROUBLECODESBYSTATUS_REQUEST, kwp_readDataStatusofDTC }, /* 0x18 */
{KWP2000_CLEARDIAGNOSTICINFORMATION_REQUEST, kwp_ClearDiagnosticInformation }, /* 0x14 */
{KWP2000_SECURITYACCESS_REQUEST, kwp_readDataAccessMode }, /* 0x27 */
{KWP2000_STARTROUTINEBYLOCALIDENTIFIER_REQUEST, kwp_StartroutInebykocalIdentifier }, /* 0x31 */
};
/*-------------------------------------------------------------------------
* Function Name : Kwp2000_CallService
* Description :
* Input :
* Output : None
* Return : None
* onther :
--------------------------------------------------------------------------*/
void Kwp2000_CallService(unsigned char Sid_u8)
{
unsigned char serviceFound;
unsigned char index;
serviceFound = 0;
Kwp2000_Negative.ResponseCode = 0;
#if 0
for (index = 0; index < kwp2000_CalcSeriveTabSize(); index++)
{
if (Kwp2000_ServiceTab[index].sId == Sid_u8)
{
serviceFound = 1;
Kwp2000_ComState.Tx_len = Kwp2000_ServiceTab[index].Kwp2000_Servie((unsigned char *)&Kwp2000_ComState.TxBuffer[4],
(unsigned char *)&Kwp2000_ComState.Request_Datas[1]);
break;
}
}
#endif
switch (Sid_u8)
{
case KWP2000_ECURESET_REQUEST:
serviceFound = 1;
Kwp2000_ComState.Tx_len = kwp_EcuReset((unsigned char *)&Kwp2000_ComState.TxBuffer[4],
(unsigned char *)&Kwp2000_ComState.Request_Datas[1]);
break;
case KWP2000_TESTERPRESENT_REQUEST:
serviceFound = 1;
Kwp2000_ComState.Tx_len = kwp_TesterPresent((unsigned char *)&Kwp2000_ComState.TxBuffer[4],
(unsigned char *)&Kwp2000_ComState.Request_Datas[1]);
break;
case KWP2000_STARTCOMMUNICATION_REQUEST:
serviceFound = 1;
Kwp2000_ComState.Tx_len = kwp_StartCommunication((unsigned char *)&Kwp2000_ComState.TxBuffer[4],
(unsigned char *)&Kwp2000_ComState.Request_Datas[1]);
break;
case KWP2000_STOPCOMMUNICATION_REQUEST:
serviceFound = 1;
Kwp2000_ComState.Tx_len = kwp_StopCommunication((unsigned char *)&Kwp2000_ComState.TxBuffer[4],
(unsigned char *)&Kwp2000_ComState.Request_Datas[1]);
break;
case KWP2000_READECUIDENTIFICATION_REQUEST:
serviceFound = 1;
Kwp2000_ComState.Tx_len = kwp_readEcuIdentification((unsigned char *)&Kwp2000_ComState.TxBuffer[4],
(unsigned char *)&Kwp2000_ComState.Request_Datas[1]);
break;
case KWP2000_WRITEDATABYLOCALIDENTIFIER_REQUEST:
serviceFound = 1;
Kwp2000_ComState.Tx_len = kwp_writeDataByLocalIdentifier((unsigned char *)&Kwp2000_ComState.TxBuffer[4],
(unsigned char *)&Kwp2000_ComState.Request_Datas[1]);
break;
case KWP2000_READDATABYLOCALIDENTIFIER_REQUEST:
serviceFound = 1;
Kwp2000_ComState.Tx_len = kwp_readDataByLocalIdentifier((unsigned char *)&Kwp2000_ComState.TxBuffer[4],
(unsigned char *)&Kwp2000_ComState.Request_Datas[1]);
break;
case KWP2000_READDATABYCOMMONIDENTIFIER_REQUEST:
serviceFound = 1;
Kwp2000_ComState.Tx_len = kwp_readDataByCommonIdentifier((unsigned char *)&Kwp2000_ComState.TxBuffer[4],
(unsigned char *)&Kwp2000_ComState.Request_Datas[1]);
break;
case KWP2000_READDIAGNOSTICTROUBLECODESBYSTATUS_REQUEST:
serviceFound = 1;
Kwp2000_ComState.Tx_len = kwp_readDataStatusofDTC((unsigned char *)&Kwp2000_ComState.TxBuffer[4],
(unsigned char *)&Kwp2000_ComState.Request_Datas[1]);
break;
case KWP2000_CLEARDIAGNOSTICINFORMATION_REQUEST:
serviceFound = 1;
Kwp2000_ComState.Tx_len = kwp_ClearDiagnosticInformation((unsigned char *)&Kwp2000_ComState.TxBuffer[4],
(unsigned char *)&Kwp2000_ComState.Request_Datas[1]);
break;
case KWP2000_SECURITYACCESS_REQUEST:
serviceFound = 1;
Kwp2000_ComState.Tx_len = kwp_readDataAccessMode((unsigned char *)&Kwp2000_ComState.TxBuffer[4],
(unsigned char *)&Kwp2000_ComState.Request_Datas[1]);
break;
case KWP2000_STARTROUTINEBYLOCALIDENTIFIER_REQUEST:
serviceFound = 1;
Kwp2000_ComState.Tx_len = kwp_StartroutInebykocalIdentifier((unsigned char *)&Kwp2000_ComState.TxBuffer[4],
(unsigned char *)&Kwp2000_ComState.Request_Datas[1]);
break;
default:
break;
}
if (serviceFound == 0)
{
Kwp2000_ComState.Tx_len = kwp_NegativeResponse(Sid_u8, KWP2000_serviceNotSupported, (unsigned char *)&Kwp2000_ComState.TxBuffer[4]);
}
else if (Kwp2000_Negative.ResponseCode) /*其他负反馈处理 后添加原来没有*/
{
Kwp2000_ComState.Tx_len = kwp_NegativeResponse(Sid_u8, Kwp2000_Negative.ResponseCode, (unsigned char *)&Kwp2000_ComState.TxBuffer[4]);
Kwp2000_Negative.ResponseCode = 0;
}
if (Kwp2000_ComState.Tx_len != 0)
{
Kwp2000_ComState.Tx_len += Kwp2000_PrepareHeader(Kwp2000_ComState.Tx_len);
*(Kwp2000_ComState.Response_Datas + Kwp2000_ComState.Tx_len) = Kwp2000_ChecksumCalculate(Kwp2000_ComState.Response_Datas, Kwp2000_ComState.Tx_len);
Kwp2000_ComState.Tx_len++;
}
}
/*-------------------------------------------------------------------------
* Function Name : Kwp2000_Handle
* Description :
* Input :
* Output : None
* Return : None
* onther :
--------------------------------------------------------------------------*/
void Kwp2000_Handle(void)
{
if ((Kwp2000_ComMode & PROTOCOL) == KWP2000)
{
/*在FAST_INIT之后，如果在RX中断中接收数据，在转为几首模式，在FAST_INIT后加一个超时时间
如果FAST_INIT后10ms没有接到新到来得数据就会回到等待空闲模式避免来个wakeup后仪表无法接收数据*/
/*
if(Kwp2000_ComMode == KWP2000_FAST_INIT)
{
Kwp2000_ComMode = KWP2000_WAIT_RECEPTION;
}
*/
switch (Kwp2000_ComMode)
{
case KWP2000_WAIT_RECEPTION: /* 0x22 */
if (Kwp2000_ComState.Rx_len >= 1)
{
Kwp2000_ComState.headerSize = Kwp2000_FormatAnalyse();
Kwp2000_ComMode = KWP2000_WAIT_HEADER;
}
break;
case KWP2000_WAIT_HEADER: /* 0x23 */
if (Kwp2000_ComState.Rx_len >= Kwp2000_ComState.headerSize)
{
Kwp2000_HeaderAnalyse();
/* Tests the Target address */
if (kwp2000_AddressTest() != 1)
{
/* This message is not for this ECU */
Kwp2000_CommuniationDown();
Kwp2000_ComMode = KWP2000_WAIT_RECEPTION;
}
else
{
Kwp2000_ComMode = KWP2000_WAIT_DATAS;
}
}
break;
case KWP2000_COMMUNICATION: /* 0x25 */
case KWP2000_WAIT_DATAS: /* 0x24 */
if (Kwp2000_ComState.Rx_len > (Kwp2000_ComState.headerSize + Kwp2000_ComState.kwp2000_Len))
{
Kwp2000_ComState.kwp2000_Checksum = Kwp2000_ComState.RxBuffer[Kwp2000_ComState.headerSize + Kwp2000_ComState.kwp2000_Len];
if (Kwp2000_VerifyChecksum())
{
Kwp2000_ComMode = KWP2000_BUILD_RESPONSE;
break;
}
else
{
Kwp2000_CommuniationDown();
Kwp2000_ComMode = KWP2000_WAIT_RECEPTION;
break;
}
}
else
{
}
break;
case KWP2000_BUILD_RESPONSE: /* 0x26 */
if (!Kwp2000_ComState.ResponsePending)
{
Kwp2000_ComState.SId = *(Kwp2000_ComState.Request_Datas);
}
else
{
/* do nothing */
}
Kwp2000_ComState_Flag++;
if (Kwp2000_ComState_Flag > 7)
{
Kwp2000_ComState_Flag = 0;
Kwp2000_CallService(Kwp2000_ComState.SId);
}
if (Kwp2000_ComState.Tx_len != 0)
{
Kwp2000_AscTx(Kwp2000_ComState.Response_Datas); /*qitiancun 数据发送----20220303----*/
Kwp2000_ComMode = KWP2000_SEND_RESPONSE;
}
else
{
Kwp2000_ComMode = KWP2000_WAIT_RECEPTION;
}
break;
case KWP2000_SEND_RESPONSE: /* 0x27 */
/* Wait when sending response message */
if (Kwp2000_ComState.Tx_len)
{
}
else
{
}
break;
case KWP2000_MODIFY_CONFIG: /* 0x28 */
switch (Kwp2000_Modify.typeOfModif)
{
case KWP2000_MODIFY_NULL:
Kwp2000_ComMode = KWP2000_WAIT_RECEPTION;
Kwp2000_ComState.Rx_len = 0;
break;
case KWP2000_MODIFY_BAUDRATE:
Kwp2000_ComMode = KWP2000_WAIT_RECEPTION;
Kwp2000_AscSwitchBaudrate(Kwp2000_Modify.newBaudRate);
Kwp2000_Modify.typeOfModif = KWP2000_MODIFY_NULL;
Kwp2000_ComState.Rx_len = 0;
break;
case KWP2000_MODIFY_RESET:
Kwp2000_ComState.Rx_len = 0;
switch (Kwp2000_Modify.resetType)
{
case 0x01:
// Reset_SWResetRequest(SWRESET_GRP_POWERON_E, SWRESET_POWERON_E, 0x0); qitiancun
break;
case 0x6A:
// Reset_SWResetRequest(SWRESET_GRP_SB_E, SWRESET_RB_PROG_E, 0x0); qitiancun
break;
default:
/*do nothing */
break;
}
break;
case KWP2000_MODIFY_END:
Kwp2000_ProtocolInit();
break;
default:
break;
}
break;
case KWP2000_END:
break;
default:
break;
}
}
}
/*-------------------------------------------------------------------------
* Function Name : kwp2000_CalcSeriveTabSize
* Description : kwp2000 Calculate Serive Table Size
* Input :
* Output : None
* Return : None
* onther :
--------------------------------------------------------------------------*/
unsigned char kwp2000_CalcSeriveTabSize(void)
{
//return (unsigned char)(sizeof(Kwp2000_ServiceTab) / sizeof(Kwp2000_ServiceTab_Entry_t));
}