Knowledge Base Nr: 00148 euchner.cpp - http://www.swe-kaiser.de

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Win32: Electronic Key System (Transponder) Chipdaten auslesen
www.euchner.de

  
void GetData3964() //3964
{
    char szEntry[40] = {0};

    BOOL bSucc = Open3964REx(g_nPortNo, 9600, 1000, 'E');
    if (!bSucc)
    {
        g_nErr = 1;
        sprintf(g_szError, "ERROR: COM%d nicht verfügbar!", g_nPortNo+1);

        strcpy(g_szUser, "ERROR!");
        strcpy(g_szPWD, "ERROR!");
        return;
    }

    unsigned char pBuffer[40] = {0};
    int nTeleLen = 0;
    pBuffer[nTeleLen++] = 7;
    pBuffer[nTeleLen++] = 'T';
    pBuffer[nTeleLen++] = 'L';
    pBuffer[nTeleLen++] = 1;
    pBuffer[nTeleLen++] = 0;
    pBuffer[nTeleLen++] = 0;
    pBuffer[nTeleLen++] = 0x20;
    pBuffer[nTeleLen++] = 0x10;
    pBuffer[nTeleLen++] = 0x10;
    pBuffer[nTeleLen++] = 3;
    pBuffer[nTeleLen++] = 0x0d;
    bSucc = Tx3964R(g_nPortNo, pBuffer, nTeleLen, FALSE);
    if (!bSucc)
    {
        g_nErr = 2;
        sprintf(g_szError, "ERROR: Senden Tx3964R() fehlgeschlagen!");
        strcpy(g_szUser, "ERROR!");
        strcpy(g_szPWD, "ERROR!");
        return;
    }

    Sleep(500);
    nTeleLen = Rx3964R(g_nPortNo, pBuffer, sizeof(pBuffer), FALSE);
    if (nTeleLen <= 0)
    {
        g_nErr = 3;
        sprintf(g_szError, "ERROR: Lesen Rx3964R() fehlgeschlagen: %d!", nTeleLen);
        strcpy(g_szUser, "ERROR!");
        strcpy(g_szPWD, "ERROR!");
        return;
    }

    char szData[100] = {0};
    if ((pBuffer[1] == 'R') && (pBuffer[2] == 'L'))
    {
        const int DATAOFFSET = 7;

        char* p = strstr((char*)&pBuffer[DATAOFFSET], DELIMITER);
        if (!p)
        {
            g_nErr = 4;
            sprintf(g_szError, "ERROR: kein '" DELIMITER "'-Trenner!");
            strcpy(g_szUser, "ERROR!");
            strcpy(g_szPWD, "ERROR!");
        }
        else
        {
            *p = 0;
            strcpy(g_szUser, (char*)&pBuffer[DATAOFFSET]);
            strcpy(g_szPWD, p+1);

            g_nErr = 0;
            sprintf(g_szError, "OK!");
        }
    }
    else
    {
        g_nErr = 5;
        sprintf(g_szError, "ERROR: Gerät sendet Fehler oder kein Chip <%s>!", pBuffer);
        strcpy(g_szUser, "ERROR!");
        strcpy(g_szPWD, "ERROR!");
    }

    bSucc = Close3964R(g_nPortNo);
}