Skip to main content

​
DoIP_UDPSend

Valid for: CANoe DE

​
DoIP_UDPSend (raw)

​
Note

The following DoIP CAPL function is only available with the modeling library DoIP.dll and eventually an appropriate implementation of the CAPL Callback Interface. Information about the DoIP DLL and the CAPL Callback Interface you find here:

​
Function Syntax

long DoIP_UDPSend(byte data[], dword length);
long DoIP_UDPSend(char IPaddress[], byte data[], dword length);

​
Description

Sends given raw data to peer(s) as UDP frame.

​
Parameters

  • IPaddress: If given, do not send to the selected peer, but to this address.
  • data: The UDP payload, i.e. it must contain a DoIP header if the peer shall recognize it as such.
  • length: Payload length.

​
Return Values

Error code

​
Example

// Send an invalid identification request to a specific vehicle
// that must ignore it
BYTE rawData[8] = { 0x02,0xFF /* wrong! */, 0x00,0x01, 0x00,0x00,0x00,0x00};
DoIP_UDPSend( "169.254.123.45", rawData, elcount( rawData));

​
DoIP_UDPSend (PDU)

​
Function Syntax

long DoIP_UDPSend(dword payloadType, byte payload[], dword payloadLen);
long DoIP_UDPSend(char IPaddress[], dword payloadType, byte payload[], dword payloadLen);

​
Description

Sends a DoIP PDU with valid layout to peer(s) as UDP frame. The configured DoIP version is used.

​
Parameters

  • IPaddress: If given, do not send to the selected peer, but to this address.
  • payloadType: Type to send, i.e. this can be any value. [0; 0xFFFF]
  • payload: The data following the generic DoIP header.
  • payloadLen: Payload length.

​
Return Values

Error code

​
Example

// Send a DoIP PDU with valid layout but non-standard type
// to a specific vehicle
BYTE payload[3] = { 0x12, 0x34, 0x45};
DoIP_UDPSend( "169.254.123.45", 0xF333, payload, elcount( payload));
DoIP_TCPSend • DoIP_UDPSendPort