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Objective Systems Announces the Release of ASN1C v6.6

Objective Systems Inc., a leading developer of software to support open communications standards, announces the release of Version 6.6 of its ASN1C ASN.1 compiler and run-time libraries.

 
PRLog - Feb. 14, 2013 - ASN1C is code generation tool targeted at developers who produce products
based on Abstract Syntax Notation One (ASN.1) and XML standards. It is capable of generating code in four different programming languages: C, C++, Java, and C#. The version 6.6 release adds new capabilites to generate code that is easier to work with and to increase performance in applications that
use this code. The following is a summary of new features:The following is a summary of new features:

 + Capability to Encode/Decode Data in JSON Format

   The capability to generate encoders/decoders that support
   Javascript Object Notation (JSON) has been added.  JSON is a
   reasonably simple and compact textual encoding format that is
   now being used in many domains where XML was used before.
   No formal encoding rule specification exists for JSON, so
   we created our own.  The document is available
   at http://www.obj-sys.com/docs/JSONEncodingRules.pdf.

 + Capability to Encode/Decode 3GPP Layer 3 Messages

   The capability to encode/decode binary 3GPP layer 3 messages
   has been added.  These include messages specified in the
   Non-Access Stratum (NAS) layer for 3G and LTE.  These messages
   are not specified in ASN.1 but rather in tabular format and
   using Concrete Syntax Notation 1 (CSN.1).  However, it was
   determined that a fairly close approximation of the messages
   could be created in ASN.1 along with a special encoding rules
   capability (3G Layer 3) and additional configuration directives
   to refine the encoding format.  A document on the approach used
   to work with these message types is available at
   http://www.obj-sys.com/docs/UsingASNtoDescribe3GPPMessage....

 + Open Source Version of C BER/DER Run-time

   An open source version of the C BER/DER run-time (ooberrt) has
   been added.  This is a limited version of our BER/DER run-time
   that does not contain all features and is not fully optimized as
   is our commercial version.  Nonetheless, it may be sufficient
   for some applications.

 + Capability to Embed Configuration Directives in  ASN.1 Comments

   An external XML file was the only method available up until this
   release to apply configuration directives to specific ASN.1 types
   or elements.  It is now possible to embed directives as special
   ASN.1 comments immediately precding the item to be configured.

 + Addition of ASN.1 Comments and Type Definitions in C/C++ Header Files

   ASN.1 comments as well as the ASN.1 definition itself are now
   embedded as comments in generated C/C++ header files for each
   generated C/C++ type or class.  This makes it easy to see the
   ASN.1 definition a generated C structure represents.

 + More Efficient Table Constraint Index Handling

   Modified C/C++ code generation of SEQUENCE-based index values
   in table constraints to be more efficient (replaced if-else with
   switch at each level).

 + Option to Use Enumerated Types in C/C++ Code

   A new command-line option, -use-enum-types, has been added which
   replaces the integer types that were used to represent enumerated
   types with generated enum types.  Integers were always used in
   the past because the size was known (different C compilers
   generated different sized items for enum types) and to account
   for the possibility of unknown extensible enumerated items.
   This option allows the user to override this behavior and use
   the enum type instead.

 + Added support for ASN.1 2008 IRI Type

   Support was added for the ASN.1 2008 IRI Type for all
   languages.  ASN1C now supports all items in the ASN.1 2008
   standard with the exception of some Extended-XER encoding
   instructions.

For more information on the new release see:

 http://www.obj-sys.com/release-notes-asn1c-v66.html

A free evaluation version of the software can be downloaded from:

 http://www.obj-sys.com/evaluate-asn1c.php

This release is available as a free upgrade to users with active support.

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Source:Objective Systems, Inc.
Location:United States
Industry:Software development
Tags:asn1c, software development, telecommunications, asn 1
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