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Introduction

Apple Notification Center Service (ANCS) is applied to intelligent Bluetooth-enabled devices, such as wristbands and smart watches that connect to iOS devices. Through a Bluetooth Low Energy (Bluetooth LE) link, the Bluetooth devices can access media notifications from iOS devices, and send ANCS-related control commands to iOS devices.

This document introduces how to implement ANCS Client based on a GR5xx System-on-Chip (SoC).

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

Table 1 Reference documents
Name Description

ANCS Specification

Provides ANCS protocols. Available at Apple Notification Center Service (ANCS) Specification.

Developer guide of the specific GR5xx SoC

Introduces GR5xx Software Development Kit (SDK) and how to develop and debug applications based on the SDK.

Bluetooth Core Spec

Offers official Bluetooth standards and core specification from Bluetooth SIG.

Bluetooth GATT Spec

Provides details about Bluetooth profiles and services. Available at https://www.bluetooth.com/specifications/gatt.

J-Link/J-Trace User Guide

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

Keil User Guide

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

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