最新天堂中文在线丨午夜嘿嘿嘿影院丨亚洲国产精品高清久久久丨中文字幕人成乱码熟女app丨www91亚洲丨97成人资源丨成人中文字幕+乱码+中文字幕丨一区二区三区在线 | 日丨日韩免费大片丨亚洲欧美一区二区三区丨国产在线观看a丨亚洲成人第一区丨国内免费视频成人精品丨亚洲综合色网站丨午夜精品美女久久久久av福利丨国产午夜人做人免费视频网站丨国产又黄视频丨97se狼狼狼狼狼亚洲网丨狠狠亚洲婷婷综合色香五月丨中国一级毛片黄丨国产女人十八毛片丨国产色视频在线播放丨国产亚洲精久久久久久无码苍井空丨天天摸日日摸爽爽狠狠丨久久综合香蕉国产蜜臀av

這個程序可以用Visual Studio或EVC（Win CE）編譯，實際在Wince系統RUN過OK，有問題的可以回覆告知。
下方范例程序可以直接讀取D0000的值。
我是這個論壇的新人，不知道如何將文件上傳，我可以將完整專案文件上傳給大家參考，包刮PLC端Ethernet設定方法。


       WSADATA            wsaData;
    SOCKET            udpcmdSock;
    SOCKADDR_IN        saRecv, saSend;
    int                iLen,err,nSize;
    unsigned char    szToUdpCommand[80],szUdpResponse[100];
    struct    timeval        tv;
    fd_set    ReadFds;        //資料可讀取
    fd_set    WriteFds;        //資料可寫入
    fd_set    Exceptfds;        //錯誤檢出
    int        iRetCode;
    CString str1,str2;

    if(WSAStartup(0x0202,&wsaData) == SOCKET_ERROR)
    {
         MessageBox(_T("Startup Failure;"),_T("AMI"),MB_ICONERROR|MB_OK);
         WSACleanup();
         return;
    }

    udpcmdSock = socket ( AF_INET, SOCK_DGRAM, 0 );
    if ( INVALID_SOCKET == udpcmdSock)
    {
        MessageBox(_T("socket error;"),_T("AMI"),MB_ICONERROR|MB_OK);
        WSACleanup();
        return;
    }
    // bind to a local socket and an interface.
    saRecv.sin_family = AF_INET;
    saRecv.sin_addr.s_addr = htonl ( INADDR_ANY );
    //saSend.sin_addr.s_addr = inet_addr("172.16.50.220");
    saRecv.sin_port = htons ( 3939 );
    err = bind ( udpcmdSock, (SOCKADDR *) &saRecv, sizeof (SOCKADDR_IN) );
    if ( err==SOCKET_ERROR  )
    {
        MessageBox(_T("bind error;"),_T("AMI"),MB_ICONERROR|MB_OK);
        closesocket( udpcmdSock );
        WSACleanup();
        return;;
    }

    saSend.sin_family = AF_INET;
    saSend.sin_addr.s_addr = inet_addr("172.16.50.222");   // htonl ( INADDR_BROADCAST );
    saSend.sin_port = htons ( 3941 );
    iLen=21;
    szToUdpCommand[0]=0x50;        //SubHeader.bL
    szToUdpCommand[1]=0x00;        //SubHeader.bH
    szToUdpCommand[2]=0x00;        //NetworkNo
    szToUdpCommand[3]=0xFF;        //PCNo
    szToUdpCommand[4]=0xFF;        //IONo.bL
    szToUdpCommand[5]=0x03;        //IONo.bH
    szToUdpCommand[6]=0x00;        //StationNo
    szToUdpCommand[7]=0x0C;        //Length.bL 12 byte
    szToUdpCommand[8]=0x00;        //Length.bH
    szToUdpCommand[9]=0x10;        //Timer.bL
    szToUdpCommand[10]=0x00;    //Timer.bH
    szToUdpCommand[11]=0x01;    //Command.bL
    szToUdpCommand[12]=0x04;    //Command.bH
    szToUdpCommand[13]=0x00;    //SubCommand.bL bit0=0 -> word unit
    szToUdpCommand[14]=0x00;    //SubCommand.bH
    szToUdpCommand[15]=0x00;    //AddressL
    szToUdpCommand[16]=0x00;    //AddressNULL
    szToUdpCommand[17]=0x00;    //AddressH
    szToUdpCommand[18]=0xA8;    //DeviceCode D
    szToUdpCommand[19]=0x01;    //Points.bL    1 points
    szToUdpCommand[20]=0x00;    //Points.bH

    str1.Format(_T("L=%d,SBuf="),iLen);
    for(int i=0;i<iLen;i++) str1.AppendFormat(_T("%02hX "),(BYTE)szToUdpCommand);
    GetDlgItem(IDC_STATIC1)->SetWindowTextW(str1);

    //--- send command to PLC ---
    err = sendto ( udpcmdSock,(char*)szToUdpCommand,iLen,0,
        (SOCKADDR *) &saSend,sizeof ( SOCKADDR_IN ));
    if (  err==SOCKET_ERROR  )
    {
        MessageBox(_T("sendto error"),_T(""),MB_ICONERROR|MB_OK);
        closesocket( udpcmdSock );
        WSACleanup();
        return;
    }

/*********** receive response from Mit PLC ***********/
    tv.tv_sec = 2;//sec.
    tv.tv_usec = 0; //u-sec
    // The fd sets should be zeroed out before using them to prevent errors.
    FD_ZERO(&ReadFds);
    FD_ZERO(&WriteFds);
    FD_ZERO(&Exceptfds);
    //FD_CLR(udpcmdSock, &ReadFds );
    FD_SET(udpcmdSock, &ReadFds );

    iRetCode = select(0,&ReadFds,NULL,NULL,&tv);
    if (iRetCode == SOCKET_ERROR) {
        MessageBox(_T("select error"),_T(""),MB_ICONERROR|MB_OK);
        closesocket( udpcmdSock );
        WSACleanup();
        return;
    }

    if (FD_ISSET(udpcmdSock, &ReadFds)==0)//OnReceive
    {
        MessageBox(_T("Time Out !"),_T(""),MB_ICONERROR|MB_OK);
        closesocket( udpcmdSock );
        WSACleanup();
        return;
    }//OnReceive
    
    nSize = sizeof ( SOCKADDR_IN );
    err = recvfrom ( udpcmdSock, (char*)szUdpResponse,100, 0,
        (SOCKADDR FAR *) &saRecv, &nSize );
    if (err  ==  SOCKET_ERROR)
    {
        MessageBox(_T("recvfrom error"),_T(""),MB_ICONERROR|MB_OK);              
        closesocket( udpcmdSock );
        WSACleanup();
        return;
    }
    MessageBox(_T("recvfrom OK"),_T(""),MB_OK);

    str2.Format(_T("L=%d,RBuf="),err);
    for(int i=0;i<err;i++)    str2.AppendFormat(_T("%02hX "),(BYTE)szUdpResponse);
    GetDlgItem(IDC_STATIC2)->SetWindowTextW(str2);

    if ( udpcmdSock!=INVALID_SOCKET ){
        closesocket(udpcmdSock);
    }
    WSACleanup();

我也想要，.
iteerh@yahoo.tw

我也想要，謝謝，剛信箱不完整

iteerh@yahoo.com.tw

已收到，謝謝你