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Renesas Electronics Corporation

Overview

Description

The R-Car S4 Whitebox SDK is an integrated development platform that accelerates the development of connected services and gateway applications.

The R-Car S4 Whitebox SDK provides all-in-one software package including a Free of Charge (FoC) license that can be used in testing and advanced development. The open-source* software enables users to freely customize the source code for their development and can be replaced with software solutions provided by the Renesas Partner Program.

Sample applications including but not limited to Intrusion Prevention System (IPS), Intrusion Detection System (IDS), and resource monitoring are available on the R-Car S4 Whitebox SDK for users to easily start functional testing and prototyping of the central gateway.

*TOPPERS/ATK2 and Trampoline OS are software based on the AUTOSAR specification, and these source codes are published on GitHub. If you plan to use this software for commercial purposes, please comply with the terms of use of AUTOSAR and the developer community.

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Features

  • All software is provided under a FoC license for easy testing
  • This is replaceable with rich software solutions from the RCC partner ecosystem of over 255 companies
  • R-Car S4 Whitebox SDK provides the OS/framework layer, allowing users to focus on developing value-added applications for the product
  • Provides experience through sample applications for various use cases
  • All software is customizable as it consists mainly of open source.
  • Hypervisor support for MCUs
  • RTOS based on AUTOSAR specifications

Target Devices

Downloads

Documentation

Design & Development

Related Boards & Kits

Videos & Training

Support

Knowledge Base

  1. Is there a way to build each OS separately in the R-Car S4 Whitebox SDK environment?

    For the way to build each OS separately please refer to "Rebuild procedure" in the R-Car S4 Whitebox SDK User's Manual. User's Manual can be downloaded from the following URL.https://www.renesas.com/whitebox-sdk#document

    May 18, 2026
  2. What boot methods are supported by the R-Car S4 Whitebox SDK?

    ... 2024 Question: What boot methods are supported by the R-Car S4 Whitebox SDK? Answer: Currently, R-Car S4 Whitebox SDK supports UFS boot.Note: Ver4.1 or earlier, S4 Spider supports eMMC boot and S4 Starter Kit supports SD card boot. Suitable ProductsR-Car S4  日本語

    May 31, 2024
  3. How do I run my own applications for each core on R-Car S4 Whitebox SDK?

    For your own application running procedure, please refer to the following chapter of R-Cr S4 Whitebox SDK Application Note. CA55: How to run your own application on Cortex-A55CR52: How to run your own application on Cortex-R52G4MH: How to run your own application on G4MH Application Note can ...

    May 18, 2026
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