IAR Embedded Workbench for Renesas RX

Library support for the C++17 language standard

The toolset includes a new C++ library that supports C++17 library features.

Additional GNU C language extensions

The IAR C/C++ Compiler supports a number of new GCC-style operators, attributes and expressions in extended language mode.

Editor and IDE enhancements

• Editor themes - a new way to set up the colors and fonts in the text editor
• Syntax feedback - instant syntax suggestions while typing
• Improved parameter hints
• Window color themes - dark mode
• Gray out inactive code support

RX660 and RX26T supported

The RX660 and RX26T groups of microcontrollers are now supported.

Iarbuild enhancements

The iarbuild command line build utility now supports:

• Generating a Ninja build file based on the IAR Embedded Workbench project format
• Generating a JSON description of the Embedded Workbench project
• More C-STAT reporting and configuration methods

64-bit Windows application

IAR Embedded Workbench now runs as a 64-bit Windows application.

Visual Studio Code support

The IAR Build and IAR C-SPY Debug extensions available on Microsoft Marketplace enable you to work in Visual Studio Code (with IAR Embedded Workbench installed) to:

• Build IAR Embedded Workbench projects
• Run the C-STAT static analysis tool
• Debug applications using the same range of hardware/debug probes as in IAR Embedded Workbench.

C-STAT enhancements

• MISRA C:2012 Amendment 2
  The static analysis tool C-STAT has extended its coverage of the MISRA C:2012 Coding Standard and now fully supports MISRA C:2012 Amendment 2. This Amendment adds two additional rules to MISRA C:2012 and introduces support for ISO/IEC 9899:2011, commonly referred to as "C11".
• Improved performance
  Depending on the project, the analysis can be up to 40% faster and memory consumption reduced by up to 20%, compared to the previous version of C-STAT.

Updated device support

The device support files have been updated to the most recent version from Renesas.

Updated user documentation

The C/C++ Development Guide, C-SPY Debugging Guide, and IDE Project Management and Building Guide have been updated to reflect the product changes.

C-STAT enhancements

• MISRA C:2012 Amendment 1
  The static analysis tool C-STAT has extended its coverage of the MISRA C:2012 Coding Standard and now fully supports MISRA C:2012 Amendment 1. This amendment adds 14 additional rules to MISRA C:2012 with a focus on security concerns highlighted by the ISO C Secure Guidelines. Several of these address specific issues pertaining to the use of untrustworthy data, a well-known security vulnerability.
• Extended coverage of CERT C
  The static analysis tool C-STAT has extended its coverage of the SEI CERT C Coding Standard. The SEI CERT C Coding Standard's goal is to provide rules for developing safe, reliable, and secure systems in the C programming language, with support for C11 constructs. C-STAT covers all rules in the different CERT C sections listed on the CERT C wiki as of January 2020, with the exception of the API, CON, POS, and WIN sections, which are not applicable to IAR Systems products, yielding a total of 90 covered rules.
• Link analysis trace information
  The link analysis messages now display trace information when relevant. For checks looking for conflicting symbol names, all conflicting declarations are now listed in the trace information instead of each pair of conflicts being described in a separate message. This might lead to fewer reported messages for the same number of found issues.

IAR Build Tools for Linux

A new product, IAR Build Tools for Renesas RX is available. It contains the IAR C/C++ Compiler, IAR Assembler, Linker and library tools, C-STAT, IARBuild, and runtime libraries. Get product info

Renesas Smart Configurator update

The Renesas Smart Configurator (included) has been updated to V2.7.0.

• IAR Embedded Workbench IDE User Guide
• C/C++ Development Guide
• IAR Assembler Reference Guide
• IAR Embedded Workbench C-SPY Debugging Guide
• IAR Embedded Workbench MISRA C:1998 Reference Guide
• IAR Embedded Workbench MISRA C:2004 Reference Guide
• Migration guide from Renesas HEW to IAR Embedded Workbench for RX
• Migrating from UBROF to ELF/DWARF

Debugging system support

• Renesas E1 Emulator
• Renesas E2 Emulator
• Renesas E2 Emulator Lite
• Renesas E20
• Segger J-Link
• C-SPY Debugger plugin SDK available for 3rd party debuggers

RTOS support

• OSEK Run Time Interface ORTI
• Express Logic
• Micrium
• FreeRTOS
• CMX
• embOS
• UNISON

The RTOS plugin installs a number of new windows in C-SPY, most importantly the task or thread list windows where task-specific breakpoints can be specified and task-specific steps executed. Different inspector windows display the contents of the internal data structures of the RTOS such as timers, queues, semaphores, resources and mailboxes.

IAR C/C++ 컴파일러는 C/C++ 프로그래밍 언어의 다양한 방계 언어를 지원하며, 임베디드 프로그래밍을 대상으로 하는 여러 확장 언어도 지원하고 있습니다. (모든 구현 대상에 대해 전체 언어가 지원되는 것은 아니므로 유의 바랍니다.) 각종 표준과의 호환성 담보를 위해, 컴파일러 내 특정 확장 기능을 비활성화 시킬 수도 있습니다.

대부분의 인기 있는 디버거 및 에뮬레이터와 호환되는 광범위한 산업 표준 디버그 및 이미지 형식이 지원됩니다. 여기에는 해당하는 경우 ELF/DWARF가 포함됩니다.

ISO/ANSI C/C++ 표준 준수

IAR C/C++ 컴파일러는 다음과 같은 C 프로그램 언어의 단독 구현 표준을 준수합니다:

• INCITS/ISO/IEC 9899:2018 (별칭: C18, 최신 버전만 해당). 
• 컴파일러는 모든 C++17 기능을 지원합니다. C++ 라이브러리는 C++17 추가 기능을 전혀 포함하지 않은 C++14을 지원합니다. (최신 버전만 해당). 
• ISO/IEC 14882:2015 (별칭: C++14) 
• INCITS/ISO/IEC 9899:2012 (별칭: C11) 
• ANSI X3.159-1989, known (별칭: C89) 

IEEE 754 표준

IAR Embedded Workbench는 플로팅 포인트 산술 계산 관련 IEEE 754 표준을 지원합니다.

MISRA C

MISRA C는 MISRA(Motor Industry Software Reliability Association)에서 개발된 C 프로그래밍 언어 소프트웨어 개발 표준입니다. 해당 표준의 목적은 임베디드 환경 내에서의 코드 신뢰성, 포터빌리티, 안전성 확보입니다. 특히, ISO C를 통해 프로그래밍 되는 시스템을 주 대상으로 합니다.

MISRA C의 첫 표준인 “차량 기반 소프트웨어 상의 C 언어 사용 지침”(Guideline for the use of the C Language in vehicle-based software)는 1998년에 최초로 작성되었습니다. 이어, 2004년 대폭 개정된 제2판이 발표되었으며, 조항 번호의 재책정도 이때 이루어졌습니다. 추가적으로 MISRA C:2012에서 기능이 대폭 확장되었으며, MISRA C++:2008에서도 C++ 표준 내 불안전한 코드 구조체를 식별하는 등의 개정이 이루어졌습니다.

IAR Embedded Workbench에서는 C-STAT 애드온을 포함하여 MISRA C:2004, MISRA C++: 2008, MISRA C:2012 상의 표준 부합 여부를 확인할 수 있습니다. 

시험 검증

당사에서는 또한 다음과 같은 상업적 시험 패키지를 사용, 표준과 대비하여 당사 툴의 성능을 검증하고 있습니다:

• Plum Hall Validation 테스트 패키지 (ISO/IEC C 표준 부합 여부 점검) 
• Perennial EC++ Validation Suite (C++ 표준 부합여부 점검) 

• Dinkum C++ Proofer를 통해 라이브러리의 C/C++ 표준 부합 여부 확인 및 C++ 표준 대비 당사 STL 구현 결과 점검. 

당사는 또한 시판 패키지 외에도 당사 내부 테스트 패키지를 통해 신기능, 회귀 시험, 에러 수정 시험 등을 실시하고 있습니다.

Renesas FIT simplifies development for the RX family. The technology is supported by IAR Embedded Workbench for RX.

Renesas FIT consists of a Board Support Package (BSP), peripheral function modules, middleware modules, and interface modules and these can be used with IAR Embedded Workbench for RX.

The tool Renesas Smart Configurator, supplied with IAR Embedded Workbench for RX, supports the following three functions related to embedding Renesas drivers in your systems:

• importing FIT modules
• generating driver code
• generating device configuration code

The generated modules are incorporated via the IAR Project Connection mechanism.