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Introduction

To help users rapidly understand the APIs and implement Bluetooth Low Energy (Bluetooth LE) applications, the GR551x Software Development Kit (SDK) provides abundant Bluetooth LE application examples:
  • Server, Client, and Broadcaster examples defined in GATT Specifications
  • Goodix-defined GATT profile examples
  • Other examples such as FreeRTOS and Apple Notification Center Service (ANCS)

Before getting started, you can refer to the following documents.

Table 1 Reference documents
Name Description

GR551x Developer Guide

Introduces GR551x SDK and how to develop and debug applications based on the SDK.

GR551x Bluetooth Low Energy Stack User Guide

Introduces the Bluetooth Low Energy Protocol Stack supported by GR551x System-on-Chips (SoCs).

J-Link/J-Trace User Guide

Provides J-Link operational instructions. Available at www.segger.com/downloads/jlink/UM08001_JLink.pdf.

Keil User Guide

Offers detailed Keil operational instructions. Available at www.keil.com/support/man/docs/uv4/.

Bluetooth Core Spec

Offers official Bluetooth standards and core specification from Bluetooth SIG.

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