int main(void)

{
    //
    // Initialize the OLED display.
    //
    RIT128x96x4Init(1000000);
    RIT128x96x4StringDraw("Ethernet ueber UDP",0,0,15);
    
    
    //
    // Enable and Reset the Ethernet Controller.
    //
    SysCtlPeripheralEnable(SYSCTL_PERIPH_ETH);
    SysCtlPeripheralReset(SYSCTL_PERIPH_ETH);

    //
    // Enable Port F for Ethernet LEDs.
    //  LED0        Bit 3   Output
    //  LED1        Bit 2   Output
    //
    SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOF);
    GPIODirModeSet(GPIO_PORTF_BASE, GPIO_PIN_2 | GPIO_PIN_3, GPIO_DIR_MODE_HW);
    GPIOPadConfigSet(GPIO_PORTF_BASE, GPIO_PIN_2 | GPIO_PIN_3,
                     GPIO_STRENGTH_2MA, GPIO_PIN_TYPE_STD);


    long lPacketLength;
    unsigned char pucMACAddress[6];
    unsigned char pucMyRxPacket[6];
    unsigned char pucMyTxPacket[6];
    unsigned long ulMyTxPacketLength;


    //
    // Set the clocking to run directly from the crystal.
    //
    SysCtlClockSet(SYSCTL_SYSDIV_1 | SYSCTL_USE_OSC | SYSCTL_OSC_MAIN |
                   SYSCTL_XTAL_8MHZ);



    //
    // Initialize the Ethernet controller for operation
    //
    EthernetInitExpClk(ETH_BASE, SysCtlClockGet());


    //
    // Configure the Ethernet controller for normal operation
    // Enable TX Duplex Mode
    // Enable TX Padding
    //
    EthernetConfigSet(ETH_BASE, (ETH_CFG_TX_DPLXEN | ETH_CFG_TX_PADEN));


    //
    // Program the MAC Address (00-19-35-00-00-1A)
    //
    pucMACAddress[0] = 0x00;
    pucMACAddress[1] = 0x19;
    pucMACAddress[2] = 0x35;
    pucMACAddress[3] = 0x00;
    pucMACAddress[4] = 0x00;
    pucMACAddress[5] = 0x1A;
    EthernetMACAddrSet(ETH_BASE, pucMACAddress);
    
   
      
   

    

    //
    // Enable the Ethernet controller
    //
    EthernetEnable(ETH_BASE);


    //
    // Send a packet.
    // (assume that the packet has been filled in appropriately elsewhere
    // in the code).
    //
    EthernetPacketPut(ETH_BASE, pucMyTxPacket, ulMyTxPacketLength);


    
    //
    // Wait for a packet to come in.
    //
    lPacketLength = EthernetPacketGet(ETH_BASE, pucMyRxPacket, sizeof(pucMyRxPacket));

      if(lPacketLength > 0)
      {
        RIT128x96x4StringDraw("Kein Packet vorhanden", 0, 25, 15);
      }
      
      else
      {
        RIT128x96x4StringDraw("Packet vom Client",0,24,15);
      }


}