Function EncodeData

source/src/cip/cipcommon.c:450–614

}

int EncodeData(const EipUint8 cip_type,
               const void *const cip_data,
               EipUint8 **cip_message) {
  int counter = 0;

  switch (cip_type)
  /* check the data type of attribute */
  {
    case (kCipBool):
    case (kCipSint):
    case (kCipUsint):
    case (kCipByte):
      counter = AddSintToMessage(*(EipUint8 *) (cip_data), cip_message);
      break;

    case (kCipInt):
    case (kCipUint):
    case (kCipWord):
      counter = AddIntToMessage(*(EipUint16 *) (cip_data), cip_message);
      break;

    case (kCipDint):
    case (kCipUdint):
    case (kCipDword):
    case (kCipReal):
      counter = AddDintToMessage(*(EipUint32 *) (cip_data), cip_message);
      break;

#ifdef OPENER_SUPPORT_64BIT_DATATYPES
    case (kCipLint):
    case (kCipUlint):
    case (kCipLword):
    case (kCipLreal):
      counter = AddLintToMessage(*(EipUint64 *) (cip_data), cip_message);
      break;
#endif

    case (kCipStime):
    case (kCipDate):
    case (kCipTimeOfDay):
    case (kCipDateAndTime):
      break;
    case (kCipString): {
      CipString *const string = (CipString *) cip_data;

      AddIntToMessage(*(EipUint16 *) &(string->length), cip_message);
      memcpy(*cip_message, string->string, string->length);
      *cip_message += string->length;

      counter = string->length + 2;           /* we have a two byte length field */
      if (counter & 0x01) {
        /* we have an odd byte count */
        **cip_message = 0;
        ++(*cip_message);
        counter++;
      }
      break;
    }