Renesas RA4W1 Group: Implementing Bluetooth Low Energy Advertising Extensions

Introduction

This application note details how to modify the RA4W1 Group BLE sample application to enable Bluetooth Low Energy (BLE) Advertising Extensions. This feature, introduced in BLE 5.0, allows for establishing connections using various PHYs (LE 1M, LE 2M, LE Coded) without requiring a PHY update procedure.

Target Device

The primary hardware target for this application note is the RA4W1 Group microcontroller series.

Key Features and Implementation

The document provides step-by-step guidance for both the server and client sides, covering:

• Replacing legacy advertising APIs with extended advertising APIs.
• Declaring necessary data structures for extended advertising parameters.
• Configuring advertising data, including service UUIDs.
• Enabling and modifying scan and connection parameters for extended advertising.
• Adding filter parameters for targeted scanning.
• Confirming the implemented sample project's behavior.

Related Resources

For further technical details and related specifications, refer to:

• Bluetooth Core Specification
• Renesas RA4W1 Group BLE sample application (R01AN5402)
• Renesas Flexible Software Package (FSP) documentation