IAR Embedded Workbench for Renesas 78K

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 control parallel build, choose Tools>Options>Project>Enable parallel build.

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.

Saving C-SPY Watch window content

In the C-SPY Watch window family, you can now choose Save All to File from the context menu to save the contents of the current window to a text file.

New windows for C-SPY macros

Three new C-SPY windows have been added to easier manage C-SPY macros. The Macro Registration window controls which macro files are loaded and the Debugger Macros window shows a list of all macros available in the debugger. The Macro Quicklaunch window makes it possible to evaluate expressions and to launch C-SPY macros.

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.

External analyzers

A flexible mechanism to invoke external analyzers for project files. This is typically used as an interface to static analysis tools like PC-lint.

Custom argument variables

Custom argument variables can be used in the IAR Embedded Workbench IDE whenever there is a need for a macro-like expansion that depends on the current context. This could for example be in arguments to an external build tool.

Call Graph window

A 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.

Save as for project workspaces

It is now possible in the IDE to save a project workspace with a new name.

Read complete release notes

• IAR Embedded Workbench® IDE User Guide 
• IAR Embedded Workbench® C-SPY® Debugging Guide
• IAR C/C++ Compiler Reference Guide
• IAR Assembler Reference Guide
• IAR Linker and Library Tools Reference Guide
• IAR Embedded Workbench® MISRA C:1998 Reference Guide
• IAR Embedded Workbench® MISRA C:2004 Reference Guide
• IAR Embedded Workbench Migration Guide

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

The ISO/ANSI C/C++ Compliance level varies between the different compilers. For complete information, please refer to the IAR C/C++ Compiler user documentation in your chosen product.

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 support

C-SPY Debugger for 78K supports the following Renesas emulators:

• IE-78K0-NS, IE-78K0-NS-A, IE-78K0K1-ET and IE-78K0S-NS-A
• QB-78K0xxx, QB-78K0MINI, QB-MINI2 78K0
• QB78K0Sxxx, QB78K0SxxxMINI and QB-MINI2 78K0S
• QB-78K0Rxxx, QB-MINI2 78K0R
• TK-78K0 and TK-78K0R
• E1 and E20

RTOS support

• Micrium μC/OS-II RTOS
• OSEK Run Time Interface (ORTI) support
• embOS plugin included