CAPLfunctionAREthSyntaxPredefinedSDAccessPath

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CAPL Functions » Ethernet » AUTOSAR Eth IL » Syntax for Predefined Service Discovery (SD) Access Paths

Syntax for Predefined Service Discovery (SD) Access Paths

Valid for: CANoe DE • CANoe4SW DE

Examples

• Flags
  • AREthSetValueDWord(msg, "Flags", 0xC0); //set reboot (0x80) and unicast (0x40) flag
• Reserved
  • AREthSetValueDWord(msg, "Reserved", 0x00);

Entry[n]

• FindService, OfferService, RequestService, RequestServiceAck

  • Index1stOptions
  • Index2ndOptions
  • NumberOfOptions1
  • NumberOfOptions2
  • ServiceID
  • InstanceID
  • MajorVersion
  • TTL
  • MinorVersion
  • Example: AREthSetValueDWord(msg, "Entry[9].FindService.ServiceID", 0x000A);

• FindEventgroup, Publish, Subscribe, SubscribeAck

  • Index1stOptions
  • Index2ndOptions
  • NumberOfOptions1
  • NumberOfOptions2
  • ServiceID
  • InstanceID
  • MajorVersion
  • TTL
  • Reserved
  • EventgroupID
  • Example: dword evgID = AREthGetValueDWord(msg, "Entry[0].SubscribeAck.EventgroupID");

Option[n]

• Configuration

  • Reserved
  • String[n]
  • Example: AREthSetValueString(msg, "Option[2].Configuration.String[1]", "def=123");

• LoadBalancing

  • Reserved
  • Priority
  • Weight
  • Example: dword prio = AREthGetValueDWord(msg, "Option[5].LoadBalancing.Priority");

• Protection

  • Reserved
  • ID
  • AliveCounter
  • CRC
  • Example: dword res = AREthGetValueDWord(msg, "Option[0].Protection.Reserved");

• IPv4Endpoint

  • Reserved
  • IPv4Address
  • Reserved_2
  • L4Proto
  • PortNumber
  • Example: AREthSetValueDWord(msg, "Option[0].IPv4Endpoint.PortNumber", 30490);

• IPv6Endpoint

  • Reserved
  • IPv6Address[16]
  • Reserved_2
  • L4Proto
  • PortNumber
  • Example: dword prot = AREthGetValueDWord(msg, "Option[4].IPv6Endpoint.L4Proto");

• IPv4Multicast

  • Reserved
  • IPv4Address
  • Reserved_2
  • L4Proto
  • PortNumber
  • Example: AREthSetValueDWord(msg, "Option[0].IPv4Multicast.PortNumber", 30490);

• IPv6Multicast

  • Reserved
  • IPv6Address[16]
  • Reserved_2
  • L4Proto
  • PortNumber
  • Example: AREthSetValueDWord(msg, "Option[6].IPv6Multicast.IPv6Address[9]", 0xFE);

Example

void OnAREthMessage( dword messageHandle )
{
  DWORD nbrOfEntries;
  BYTE i;
  CHAR valuePath[255];
  DWORD entryType;
  DWORD nbrOfOptions;
  DWORD optionType;

  if(AREthGetMessageId(messageHandle) == 0xFFFF8100)
  {
    nbrOfEntries = AREthGetValueDWord(messageHandle, "Entry");

    for(i=0; i<nbrOfEntries; i++)
    {
      snprintf(valuePath, elCount(valuePath), "Entry[%d]", i);
      entryType = AREthGetValueDWord(messageHandle, valuePath);

      switch(entryType)
      {
        case 0x00 /*FindService*/:
          snprintf(valuePath, elCount(valuePath), "Entry[%d].FindService.ServiceID", i);
          write("FindService with ServiceID %d", AREthGetValueDWord(messageHandle, valuePath));
          break;

        case 0x01 /*OfferService*/:
          snprintf(valuePath, elCount(valuePath), "Entry[%d].OfferService.ServiceID", i);
          write("OfferService with ServiceID %d", AREthGetValueDWord(messageHandle, valuePath));
          break;

        case 0x06 /*Subscribe*/:
          snprintf(valuePath, elCount(valuePath), "Entry[%d].Subscribe.EventgroupID", i);
          write("Subscribe with EventgroupID %d", AREthGetValueDWord(messageHandle, valuePath));
          break;

        case 0x07 /*SubscribeAck*/:
          snprintf(valuePath, elCount(valuePath), "Entry[%d].SubscribeAck.EventgroupID", i);
          write("SubscribeAck with EventgroupID %d", AREthGetValueDWord(messageHandle, valuePath));
          break;
      }
    }

    nbrOfOptions = AREthGetValueDWord(messageHandle, "Option");

    for(i=0; i<nbrOfOptions; i++)
    {
      snprintf(valuePath, elCount(valuePath), "Option[%d]", i);
      optionType = AREthGetValueDWord(messageHandle, valuePath);

      switch(optionType)
      {
        case 0x01 /*Configuration*/:
          snprintf(valuePath, elCount(valuePath), "Option[%d].Configuration.String[1]", i);
          write("Configuration with String[1] %s", AREthGetValueDWord(messageHandle, valuePath));
          break;

        case 0x02 /*LoadBalancing*/:
          snprintf(valuePath, elCount(valuePath), "Option[%d].LoadBalancing.Priority", i);
          write("LoadBalancing with Priority %d", AREthGetValueDWord(messageHandle, valuePath));
          break;

        case 0x03 /*Protection*/:
          snprintf(valuePath, elCount(valuePath), "Option[%d].Protection.ID", i);
          write("Protection with ID %d", AREthGetValueDWord(messageHandle, valuePath));
          break;

        case 0x04 /*IPv4Endpoint*/:
          snprintf(valuePath, elCount(valuePath), "Option[%d].IPv4Endpoint.PortNumber", i);
          write("IPv4Endpoint with PortNumber %d", AREthGetValueDWord(messageHandle, valuePath));
          break;

        case 0x06 /*IPv6Endpoint*/:
          snprintf(valuePath, elCount(valuePath), "Option[%d].IPv6Endpoint.PortNumber", i);
          write("IPv6Endpoint with PortNumber %d", AREthGetValueDWord(messageHandle, valuePath));
          break;

        case 0x14 /*IPv4Multicast*/:
          snprintf(valuePath, elCount(valuePath), "Option[%d].IPv4Multicast.PortNumber", i);
          write("IPv4Multicast with PortNumber %d", AREthGetValueDWord(messageHandle, valuePath));
          break;

        case 0x16 /*IPv6Multicast*/:
          snprintf(valuePath, elCount(valuePath), "Option[%d].IPv6Multicast.PortNumber", i);
          write("IPv6Multicast with PortNumber %d", AREthGetValueDWord(messageHandle, valuePath));
          break;
      }
    }
  }
}