基于VC的can总线通讯.doc

/接口卡类型定义 #define VCI_PCI5121 1 #define VCI_PCI9810 2 #define VCI_USBCAN1 3 #define VCI_USBCAN2 4 #define VCI_PCI9820 5 #define VCI_CAN232 6 /CAN错误码 #define ERR_CAN_OVERFLOW 0x0001 /CAN控制器内部FIFO溢出 #define ERR_CAN_ERRALARM 0x0002 /CAN控制器错误报警 #define ERR_CAN_PASSIVE 0x0004 /CAN控制器消极错误 #define ERR_CAN_LOSE 0x0008 /CAN控制器仲裁丢失 #define ERR_CAN_BUSERR 0x0010 /CAN控制器总线错误 /通用错误码 #define ERR_DEVICEOPENED 0x0100 /设备已经打开 #define ERR_DEVICEOPEN 0x0200 /打开设备错误 #define ERR_DEVICENOTOPEN 0x0400 /设备没有打开 #define ERR_BUFFEROVERFLOW 0x0800 /缓冲区溢出 #define ERR_DEVICENOTEXIST 0x1000 /此设备不存在 #define ERR_LOADKERNELDLL 0x2000 /装载动态库失败 #define ERR_CMDFAILED 0x4000 /执行命令失败错误码 #define ERR_BUFFERCREATE 0x8000 /内存不足 /函数调用返回状态值 #define STATUS_OK 1 #define STATUS_ERR 0 /1.ZLGCAN系列接口卡信息的数据类型。 typedef struct _VCI_BOARD_INFO USHORT hw_Version; USHORT fw_Version; USHORT dr_Version; USHORT in_Version; USHORT irq_Num; BYTE can_Num; CHAR str_Serial_Num20; CHAR str_hw_Type40; USHORT Reserved4; VCI_BOARD_INFO,*PVCI_BOARD_INFO; /2.定义CAN信息帧的数据类型。 typedef struct _VCI_CAN_OBJ UINT ID; UINT TimeStamp; BYTE TimeFlag; BYTE SendType; BYTE RemoteFlag;/是否是远程帧 BYTE ExternFlag;/是否是扩展帧 BYTE DataLen; BYTE Data8; BYTE Reserved3; VCI_CAN_OBJ,*PVCI_CAN_OBJ; /3.定义CAN控制器状态的数据类型。 typedef struct _VCI_CAN_STATUS UCHAR ErrInterrupt; UCHAR regMode; UCHAR regStatus; UCHAR regALCapture; UCHAR regECCapture; UCHAR regEWLimit; UCHAR regRECounter; UCHAR regTECounter; DWORD Reserved; VCI_CAN_STATUS,*PVCI_CAN_STATUS; /4.定义错误信息的数据类型。 typedef struct _ERR_INFO UINT ErrCode; BYTE Passive_ErrData3; BYTE ArLost_ErrData; VCI_ERR_INFO,*PVCI_ERR_INFO; /5.定义初始化CAN的数据类型 typedef struct _INIT_CONFIG DWORD AccCode; DWORD AccMask; DWORD Reserved; UCHAR Filter; UCHAR Timing0; UCHAR Timing1; UCHAR Mode; VCI_INIT_CONFIG,*PVCI_INIT_CONFIG; DWORD _stdcall VCI_OpenDevice(DWORD DeviceType,DWORD DeviceInd,DWORD Reserved); DWORD _stdcall VCI_CloseDevice(DWORD DeviceType,DWORD DeviceInd); DWORD _stdcall VCI_InitCAN(DWORD DeviceType, DWORD DeviceInd, DWORD CANInd, PVCI_INIT_CONFIG pInitConfig); DWORD _stdcall VCI_ReadBoardInfo(DWORD DeviceType,DWORD DeviceInd,PVCI_BOARD_INFO pInfo); DWORD _stdcall VCI_ReadErrInfo(DWORD DeviceType,DWORD DeviceInd,DWORD CANInd,PVCI_ERR_INFO pErrInfo); DWORD _stdcall VCI_ReadCANStatus(DWORD DeviceType,DWORD DeviceInd,DWORD CANInd,PVCI_CAN_STATUS pCANStatus); DWORD _stdcall VCI_GetReference(DWORD DeviceType,DWORD DeviceInd,DWORD CANInd,DWORD RefType,PVOID pData); DWORD _stdcall VCI_SetReference(DWORD DeviceType,DWORD DeviceInd,DWORD CANInd,DWORD RefType,PVOID pData); ULONG _stdcall VCI_GetReceiveNum(DWORD DeviceType,DWORD DeviceInd,DWORD CANInd); DWORD _stdcall VCI_ClearBuffer(DWORD DeviceType,DWORD DeviceInd,DWORD CANInd); DWORD _stdcall VCI_StartCAN(DWORD DeviceType,DWORD DeviceInd,DWORD CANInd); DWORD _stdcall VCI_ResetCAN(DWORD DeviceType,DWORD DeviceInd,DWORD CANInd); ULONG _stdcall VCI_Transmit(DWORD DeviceType,DWORD DeviceInd,DWORD CANInd,PVCI_CAN_OBJ pSend,ULONG Len); ULONG _stdcall VCI_Receive(DWORD DeviceType,DWORD DeviceInd,DWORD CANInd,PVCI_CAN_OBJ pReceive,ULONG Len,INT WaitTime=-1) 以上为头文件 然后你必须把对方的LIB文件导入库引入工程 以下是对话框 其中实现收发void CTestDlg:OnButtonStartcan() / TODO: Add your control notification handler code here if(m_connect=0) return; if(VCI_StartCAN(m_devtype,m_devind,m_cannum)=1) ShowInfo( 启动成功 ,0); else CString str; str= 启动失败 ; ShowInfo(str,2); theApp.TimerID=timeSetEvent(3,0,fnTimerProc,NULL,TIME_PERIODIC);/设置多媒体定时器。 SetTimer(1,55,NULL); void CTestDlg:OnButtonConnect() / TODO: Add your control notification handler code here if(m_connect=1) m_connect=0; Sleep(500); GetDlgItem(IDC_BUTTON_CONNECT)- SetWindowText( 连接 ); VCI_CloseDevice(m_devtype,m_devind); return; VCI_INIT_CONFIG init_config; int index,filtertype,mode,cannum; CString strcode,strmask,strtiming0,strtiming1,strtmp; char szcode20,szmask20,sztiming020,sztiming120; unsigned char sztmp4; DWORD code,mask,timing0,timing1; UpdateData(true); index=0;/设备索引好，0为PCI5121，m_ComboIndex.GetCurSel(); filtertype=filter_type;/滤波的方式，0为单滤波，1为双滤波。m_ComboFilterType.GetCurSel(); mode=0;/m_ComboMode.GetCurSel();/0 正常模式 1，只听模式。 cannum=can_number;/CAN 的路数，0或1；m_ComboCANInd.GetCurSel(); strcode=Acode;/m_EditCode;代码 strmask=Amask;/m_EditMask;验收屏蔽码； if(braut=0)strtiming0= c0 ;strtiming1= 14 ; if(braut=1)strtiming0= c0 ;strtiming1= 1c ; if(braut=2)strtiming0= c1 ;strtiming1= 1c ; if(braut=3)strtiming0= c3 ;strtiming1= 1c ; if(braut=4)strtiming0= c4 ;strtiming1= 1c ; if(braut=5)strtiming0= c9 ;strtiming1= 1c ; if(braut=6)strtiming0= 18 ;strtiming1= 1c ; if(braut=7)strtiming0= 31 ;strtiming1= 1c ; UpdateData(false); strtmp=strcode; strcode.Format( %08s ,strtmp); strtmp=strmask; strmask.Format( %08s ,strtmp); strtmp=strtiming0; strtiming0.Format( %02s ,strtmp); strtmp=strtiming1; strtiming1.Format( %02s ,strtmp); strcpy(szcode,(LPCTSTR)strcode); strcpy(szmask,(LPCTSTR)strmask); strcpy(sztiming0,(LPCTSTR)strtiming0); strcpy(sztiming1,(LPCTSTR)strtiming1); if(strtodata(unsigned char*)szcode,sztmp,4,0)!=0) MessageBox( 验收码数据格式不对! , 警告 ,MB_OK|MB_ICONQUESTION); return; code=(DWORD)sztmp0) 24)+(DWORD)sztmp1) 16)+(DWORD)sztmp2) 8)+ (DWORD)sztmp3); if(strtodata(unsigned char*)szmask,sztmp,4,0)!=0) MessageBox( 屏蔽码数据格式不对! , 警告 ,MB_OK|MB_ICONQUESTION); return; mask=(DWORD)sztmp0) 24)+(DWORD)sztmp1) 16)+(DWORD)sztmp2) SetWindowText( 断开 ); / AfxBeginThread(ReceiveThread,this);/开始线程； void CALLBACK fnTimerProc(UINT uID,UINT uMsg,DWORD dwUser,DWORD dw1,DWORD dw2)/多媒体定时器回掉函数 CTestDlg * dlg; dlg=(CTestDlg *)(theApp.m_pMainWnd); dlg- receive();/调用接受函数。 sjtime+; if(sjtime%1=0) dlg- send(); int CTestDlg:receive() /接受函数。 CTestDlg * dlg; dlg=(CTestDlg *)(theApp.m_pMainWnd); CListBox *box=(CListBox *)dlg- GetDlgItem(IDC_LIST_INFO); VCI_CAN_OBJ frameinfo50; VCI_ERR_INFO errinfo; int len=1; int i=0; CString str,tmpstr; / Sleep(1); if(dlg- m_connect=0) return(0); len=VCI_Receive(dlg- m_devtype,dlg- m_devind,dlg- m_cannum,frameinfo,5,0); if(len m_devtype,dlg- m_devind,dlg- m_cannum,&errinfo); else for(i=0;i fp, %d ,dlg- receivetime); str= 接收到数据帧: ; if(frameinfoi.TimeFlag=0) tmpstr= 时间标识:无 ; else tmpstr.Format( 时间标识:%08x ,frameinfoi.TimeStamp); str+=tmpstr; tmpstr.Format( 帧ID:%08x ,frameinfoi.ID); str+=tmpstr; str+= 帧格式: ; if(frameinfoi.RemoteFlag=0) tmpstr= 数据帧 ; else tmpstr= 远程帧 ; str+=tmpstr; str+= 帧类型: ; if(frameinfoi.ExternFlag=0) tmpstr= 标准帧 ; else tmpstr= 扩展帧 ; str+=tmpstr; / box- InsertString(box- GetCount(),str);/不显示否则来不及 fprintf(dlg- fp, %s ,str); if(frameinfoi.RemoteFlag=0)/若是数据就接受数据 str= 数据: ; if(frameinfoi.DataLen 8) frameinfoi.DataLen=8; for(int j=0;j m_Section); /LeaveCriticalSection(&(dlg- m_Section); / box- InsertString(box- GetCount(),str);/不显示否则来不及 fprintf(dlg- fp, %sn ,str);/将收到的数据放到文件中。 if(frameinfoi.RemoteFlag!=0) str= 远程帧 ; fprintf(dlg- fp, %sn ,str); dlg- receivetime+;/receive 次数。 box- SetCurSel(box- GetCount()-1); return(1); void CTestDlg:send() if(m_connect=0) return; VCI_CAN_OBJ frameinfo; char szFrameID9; unsigned char FrameID4=0,0,0,0; memset(szFrameID, 0 ,9); unsigned char Data8; / char szData25; BYTE datalen=0;/ int i=0; memcpy(&szFrameID0,(LPCTSTR)sendid,8);/注意这种将CString 类型转化位char的方