CAPLfunctionOnAfdxPacket

<OnAfdxPacket> (Callback)

Valid for: CANoe DE • CANoe:lite DE • CANoe4SW DE • CANoe4SW:lite DE

Note
This callback must be implemented in the CAPL program by the user to use the function AfdxRegisterReceiveCallback.

Function Syntax

void <OnAfdxPacket>( long dir, long line, int64 timestamp, long bag, long afdxFlags, long packet );

Description

This callback is called when a registered AFDX packet is received.

Parameters

• dir: Direction of the packet or fragment.
  • 0: Rx
  • 1: Tx
• line: Line of the packet or fragment.
  • 0: LineUndefined (e.g. for reassembled packets)
  • 1: LineA
  • 2: LineB
  • 3: LineAB
• timestamp: Time stamp of the packet or fragment in ns.
• bag: Time difference since last packet of this Virtual Link in ms.
• afdxFlags:
  • status info
    • bit 0: This packet was received from Line-B.
    • bit 1: This packet is redundant.
    • bit 2: This packet is fragmented.
    • bit 3: This packet is from a SAP port.
  • error info
    • bit 4: Packet was received in wrong interface (Line-A versus Line-B).
    • bit 5: Packet has an invalid Ethernet packet content.
    • bit 6: Packet has an invalid sequence number.
    • bit 7: Packet has a time-out on redundancy reception.
    • bit 8: Packet has encountered a fragmentation error.
    • bit 9: Packet has protocol errors on higher protocol level.
    • bit 10: Packet has been reassembled.
• packet: Handle of the received packet or fragment.

Return Values

—

Example

Node System - preStart in CAPL Browser

on preStart
{
  long result;
  // register a callback to receive AFDX packets in general
  result = AfdxRegisterReceiveCallback("OnAfdxPacket");
}

Node Callback Function in CAPL Browser

void OnAfdxPacket(long dir, long line, int64 time, long bag, long afdxFlags, long packet )
{
  // check if the packet has been sent by the node
  if (dir == TX)
  {
    sysSetVariableLong(sysvar::NodeA::TxPacketCount,(SysGetVariableLong(sysvar::NodeA::TxPacketCount) + 1));
  } // if
}