Aim API-FDX-2 V2 Скачать руководство пользователя страница 34

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API-FDX Linux Getting Started Manual

GmbH

Section 8 – Programming the API-FDX Module

8.1.5. Setting up a UDP Port oriented Transmitter

void MyFdxSetupTxPort()
{
     TY_FDX_TX_MODE_CTRL     x_TxModeCtrl;
     TY_FDX_TRANSMIT_VL      x_TxVL;
     TY_FDX_UDP_DESCRIPTION  x_UdpDesc;
     AiUInt32 ul_BytesWritten;
     Char pBuf[50];
     Int uiBufLen;

//--- Set Port Transmitt mode to: individual/UDP-Port oriented

x_TxModeCtrl.ul_TransmitMode = FDX_TX_INDIVIDUAL;
FdxCmdTxModeControl(g_ulPort1Handle, &x_TxModeCtrl);

//--- Create Virtual Link 60 and define communication parameters for VL
//--- on Port 1

x_TxVL.ul_Bag = 32; //Bag = 32 ms

     x_TxVL.ul_MACSourceLSLW = 0x00012120;         //MAC Source
     x_TxVL.ul_MACSourceMSLW = 0x00000200;         //MAC Source
     x_TxVL.ul_MaxFrameLength= 1518;               //Maximum Frame Length
     x_TxVL.ul_SubVls        = 2;                  // # of Sub VLs
     x_TxVL.ul_VlId          = 60;                 // VL
     FdxCmdTxCreateVL(g_ulPort1Handle, &x_TxVL);

//--- Create a UDP Sampling Port on VL 60 (Sub VL 1)

     x_UdpDesc.ul_PortType         = FDX_UDP_SAMPLING;
     x_UdpDesc.x_Quint.ul_IpDst    = 0xe0e0003c;       //Dest IP 224.224.0.60
     x_UdpDesc.x_Quint.ul_IpSrc    = 0x0a812101;       //Src IP 10.129.33.1
     x_UdpDesc.x_Quint.ul_UdpDst   = 23;               //UDP Dest 23
     x_UdpDesc.x_Quint.ul_UdpSrc   = 24;               //UDP Src 24
     x_UdpDesc.x_Quint.ul_VlId     = 60;               //VL 60
     x_UdpDesc.ul_SubVlId          = 1;                //Sub VL 1
     x_UdpDesc.ul_UdpNumBufMessages= 0;                //0=Default
     x_UdpDesc.ul_UdpMaxMessageSize= 200;              //Max UDP Message Size
     x_UdpDesc.ul_UdpSamplingRate  = 100;              //100 ms
     FdxCmdTxUDPCreatePort(g_ulPort1Handle, &x_UdpDesc, &g_Udp1Port1Handle);

//--- Create a UDP Sampling Port on VL 60 (Sub VL 2)

     x_UdpDesc.ul_PortType         = FDX_UDP_SAMPLING;
     x_UdpDesc.x_Quint.ul_IpDst    = 0xe0e0003c;       //Dest IP 224.224.0.60
     x_UdpDesc.x_Quint.ul_IpSrc    = 0x0a812101;       //Src IP 10.129.33.1
     x_UdpDesc.x_Quint.ul_UdpDst   = 25;               //UDP Dest 25
     x_UdpDesc.x_Quint.ul_UdpSrc   = 26;               //UDP Src 26
     x_UdpDesc.x_Quint.ul_VlId     = 60;               //VL 60
     x_UdpDesc.ul_SubVlId          = 2;                //Sub VL 2
     x_UdpDesc.ul_UdpNumBufMessages= 0;                //0=Default
     x_UdpDesc.ul_UdpMaxMessageSize= 200;              //Max UDP Message Size
     x_UdpDesc.ul_UdpSamplingRate  = 200;              //200 ms
     FdxCmdTxUDPCreatePort(g_ulPort1Handle, &x_UdpDesc, &g_Udp2Port1Handle);

//Write message to UDP Port on Sub VL 1

     if (g_Udp1Port1Handle != NULL)
     {
         sprintf(pBuf, “Testing UDP Port on Sub VL 60 -- Sub VL 1”);
         uiBufLen = strlen(pBuf);
         FdxCmdTxUDPWrite(g_ulPort1Handle, g_Udp1Port1Handle,
                          uiBufLen, (const void *) pBuf,
                          &ul_BytesWritten)
     }