IAR Embedded Workbench for AVR32

The complete development toolchain IAR Embedded Workbench for AVR32 provides one toolbox in one view, giving you one uninterrupted workflow.

01

User-friendly IDE

Integrated development environment with project management tools and editor including linker and library tools, example projects and code templates for AVR32.

02

Powerful build tools

The IAR C/C++ Compiler is a highly optimizing C and C++ compiler for AVR32. It offers configuration files for all AVR32 devices, relocating AVR32 assembler and run-time libraries. In addition, it includes parallel data path recombination to utilize SIMD instructions and Atmel AVR32 ABI compliant.

03

Comprehensive debugger

The C-SPY Debugger provides a AVR32 simulator, support for RTOS-aware debugging on hardware and AVR32 JTAGICE mkll, JTAGICE3 and AVR ONE! emulator support.

04

Integrated code analysis

IAR Embedded Workbench for AVR32 provides integrated static code analysis through the add-C-STAT, ensuring code quality as well as proving alignment with standards such as MISRA C:2012.

Latest releases

We are constantly updating and refining our tools with new features, new device support and extended capabilities.

Version 4.30

C-STAT

The add-on product C-STAT for static analysis is now supported. C-STAT features innovative static analysis that can detect defects, bugs, and security vulnerabilities as defined by CERT and the Common Weakness Enumeration, as well as help keeping code compliant to coding standards like MISRA C:2012/2004 or MISRA C++:2008.

Parallel build

IAR Embedded Workbench can now build projects using multiple parallel processes. This can improve build performance significantly on multi-core or multiple processor computers. To enable parallel build, select Tools>Options>Project>Enable parallel build.

Stack usage analysis

With stack usage analysis enabled, a stack usage section will be added to the linker map file with listings of the maximum stack depth for each call graph root. The analysis process can be customized to take into account such constructs as calls via function pointers and recursion. The output can optionally be generated in XML format for post-processing activities.

Read complete release notes

Version 4.20

New text editor and source browser

A new text editor and source browser are introduced in this version. The new features include auto completion, parameter hint, code folding, block select, block indent, bracket matching, zoom, and word/paragraph navigation. The new source browser adds features like Go to Declaration and Find All References to symbols.

New license management system (LMS2)

The new LMS used with this release introduces new features like commuter licenses, automatic license activation, and support for virtual servers. It is easier to administrate and a single installer concept enables easy transfer between all variants of IAR Embedded Workbench for a certain product by a license upgrade.

Sampled Graphs in C-SPY

It is now possible to specify variables for which you want to collect data samples. You can view the sampled data either in table format in the Data Sample window or as graphs in the Sampled Graphs window.

Custom SFR window

It is now possible to define custom SFR's (special function registers) in C-SPY with selectable access size and type.

Call Graph window

The new Call Graph window has been added. It is browsable and displays all calls made to and from each function from any source file in the active project.

Macro Quicklaunch window

The new Macro Quicklaunch window makes it possible to evaluate expressions and to launch C-SPY macros. The return value from the evaluated macro or expression is shown in a separate column and the user can re-trigger the evaluation at any given point.

Project connection

Files or file packages generated by external code generation tools can be imported and IAR Embedded Workbench automatically detects changes in the generated file set. This enables automated integration with for example device configuration tools.

Live Watch

The Live Watch window repeatedly samples and displays the values of expressions while your application is executing.

Compiler optimizations

Improved optimizations will give significantly faster execution of target code and smaller code size.

Extended inline assembler

The inline assembler has been extended with the possibility to take input arguments, give return values, and read or write to C symbols. The syntax is similar to the syntax used in GNU GCC.

New devices

ATUC128L3U, ATUC128L4U, ATUC256L3U, ATUC256L4U, ATUC64L3U, and ATUC64L4U

Read full release notes

What type of license do you need?

Our tools are available in a flexible license model to suit your company needs. Together with our support and update agreements, you get the support you need in multiple time zones and multiple languages. Send a request for quote or contact sales to get started.

Read more about Licenses

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User guides and documentation

Languages and standards

The IAR C/C++ compilers offer different dialects of the C and C++ programming languages, as well as different extensions specific for embedded programming (please note that not all language standards are supported for all target implementations). The compiler can be instructed to disable extensions for strict conformance to the standards. 

A wide range of industry-standard debug and image formats compatible with most popular debuggers and emulators are supported. This includes ELF/DWARF where applicable.

ISO/ANSI C/C++ Compliance

The IAR C/C++ compilers adhere to a freestanding implementation of the following C programming language standards:

  • INCITS/ISO/IEC 9899:2018, known as C18 (Latest version only).
  • The compiler supports all C++17 features. The C++ library supports C++14 with no C++17 additions.  (Latest version only).
  • ISO/IEC 14882:2015, known as C++14
  • INCITS/ISO/IEC 9899:2012, known as C11
  • ANSI X3.159-1989, known as C89

IEEE 754 standard

IAR Embedded Workbench supports the IEEE 754 standard for floating-point arithmetic.

MISRA C

MISRA C is a software development standard for the C programming language developed by MISRA, The Motor Industry Software Reliability Association. Its aims are to facilitate code safety, portability and reliability in the context of embedded systems, specifically those systems programmed in ISO C.

The first edition of the MISRA C standard, "Guidelines for the use of the C language in vehicle based software", was produced in 1998. In 2004, a second edition was produced with many substantial changes to the guidelines, including a complete renumbering of the rules. Additionally MISRA C:2012 with extended support and MISRA C++:2008 for identifying unsafe code constructs in the C++ standard have also been added to the standards.

IAR Embedded Workbench features an add-on product C-STAT so you can check compliance with rules as defined by MISRA C:2004, MISRA C++:2008 and MISRA C:2012.

Test validation

We use the following commercial test suites to test conformance of our tools to the standards:

  • Plum Hall Validation test suite for ISO/IEC C conformance
  • Perennial EC++ Validation Suite for C++ conformance
  • Dinkum C++ Proofer to test how our libraries conform to the C and C++ standard as well as test our STL implementation against the C++ standard.

In addition to the commercial suites, we use several in-house test suites for testing new features, regression testing, corrected errors, etc.

Hardware debugging and RTOS support

Hardware debugging support

  • Support for JTAGICE3, JTAGICE mkII and AVR ONE! emulator
  • NanoTrace support
  • Flash loader
  • Hardware and software breakpoints
  • USB and serial connection

RTOS support

  • OSEK Run Time Interface (ORTI)
  • Express Logic ThreadX
  • Micrium µC/OS-II
  • Segger embOS

Download free trial

IAR Embedded Workbench for AVR32 - Free trial version

The evaluation license is completely free of charge and allows you to try the integrated development environment and evaluate its efficiency and ease of use. When you start the product for the first time, you will be asked to register to get your evaluation license.

After download and installation, you have the following evaluation options to choose from:

  • a 30-day time-limited but fully functional license
  • a size-limited Kickstart license without any time limit

Restrictions to the 30-day time-limited evaluation

  • A 30-day time limitation.
  • Source code for runtime libraries is not included.
  • No support for MISRA C.
  • Limited technical support.
  • Must not be used for product development or any other kind of commercial use.

Restrictions to the Kickstart, size-limited evaluation

  • A 32 Kbyte code size limitation.
  • Source code for runtime libraries is not included.
  • No support for MISRA C.
  • Limited technical support.
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