Release Notes - AVR32 UC3 DSPLib 
--------------------------------------------
Release version: 1.4.2
Release date: 2009-06-30

Supported tools:
   # AVR32 GNU Toolchain with GCC version: 4.2.2-atmel.1.1.2 (mingw32 special)

   # IAR EWAVR32 v3.10E 

1 Overview
----------

The AVR32® DSP Library is a compilation of digital signal processing functions. All 
function availables in the DSP Library, from the AVR32 Software Framework. 

All the source code (C code and assembly optimized), software example and GCC 
and IAR® projects are released in the AVR32 UC3 Software Framework.
 
The DSPLib reference manual can be found here:
 AVR32718: AT32UC3 Series Software Framework DSPLib 
 http://www.atmel.com/dyn/resources/prod_documents/doc32076.pdf 


2 Downloading and Installing
----------------------------

Here are the possibilities to use the DSP Library: 
•  The standalone library contained in the AVR32765.zip file. 
•  The source code of the inside the Software Framework. 
•  The AVR32 Studio® Software Framework plug-in


3 Contents
-----------
The following tables describe the availability of AVR32® DSP Library modules per AVR32 UC3
architecture.

|-------------------------------------| UCR1 | UCR2 |
|BASIC--------------------------------|------|------|
|  FILTERING                          |  x   |  x   |
|  OPERATORS                          |  x   |  x   |
|  SIGNAL GENERATION                  |  x   |  x   |
|  TRANSFORMS                         |  x   |  x   |
|  VECTORS                            |  x   |  x   |
|  WINDOWING                          |  x   |  x   |
|-------------------------------------|------|------|

|-------------------------------------| UCR1 | UCR2 |
|ADVANCED-----------------------------|------|------|
|  IMA/DVI ADPCM                      |  x   |  x   |
|  RE-SAMPLING                        |  x   |  x   |
|-------------------------------------|------|------|

4 News
------

This section describes the changes between the 1.4.1 and the 1.4.2 releases.


4.2 Notable Bug Fixes and Improvements
    + SERVICES\DSPLIB\GENERIC\BASIC\VECTORS
      ++ Added dsp16_vect_add_and_sat
      ++ Added dsp32_vect_add_and_sat
    + SERVICES\DSPLIB\EXAMPLES\ADPCM_ENCODER
      ++ Fixed a frequency configuration issue.
    + SERVICES\DSPLIB\GENERIC\BASIC\SIGNAL_GENERATION
      ++ Updated the API in order to return the current phase of the signal
         (this update is backward compatible with the old one).

4.3 Known Bugs and Limitations


5 Contact Information 
---------------------

For support on the UC3 Software Framework please see http://support.atmel.no/.


6 Copyright (c) 2009 Atmel Corporation. All rights reserved.
------------------------------------------------------------

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.

2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.

3. The name of Atmel may not be used to endorse or promote products derived
from this software without specific prior written permission.

4. This software may only be redistributed and used in connection with an Atmel
AVR product.

THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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