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GR5515x SDK

Overview

GR551x Software Development Kit (SDK) provides full software development support to the GR551x series SoC. The development kit includes full-functional Bluetooth LE Stack API, highly easy-to-use System API, driver programs for all peripherals, reference code and relevant user documents.

Features

  • Supports Bluetooth 5.1 multi-functional low power consumption Bluetooth protocol stacks, including 2 Mbps PHY, Coded PHY, Extended Advertising, Multiple Advertisements, Multiple Connections, Multiple Roles, LE Channel Selection Algorithm #2 and others
  • Fully compatible with Bluetooth 4.x LE functions, such as LE Secure Connection, LE Data Length Extension and LE Privacy 1.2
  • Supports L2CAP Connection-oriented Channels
  • Provides all application examples for Bluetooth LE Device Role, including Central, Peripheral, Broadcast/Beacon and Observer
  • Provides firmware encryption and download tool while supporting OTA upgrades of the encryption firmware to protect the firmware from being stolen
  • Provides automatic power consumption management function; Supports sleep mode to realize ultra-low power consumption
  • Provides reference implementation and application samples that are often used for GATT Profile/Service, such as Alert Notification, Apple Media Service, Apple Notification Center Service, Blood Pressure Sensor, HID Keyboard/Mouse/Remote Controller, Heart Rate Sensor, Proximity Reporter, Running Speed and Cadence Sensor, Serial Port over BLE and WeChat AirSync protocols, reducing the time-to-market of products
  • Supports multiple embedded-types of realtime operation system to simplify the development of application programs
  • Provides Bluetooth application programs for Windows and Android to streamline the debugging process of product development
  • Supports Keli integration environment and GCC tool chains to allow developments in the Windows and Linux environments
  • Supports GR5515 Starter Kit development kit with online debugging functionality

System Block Diagram

User Guides

Title
ID
Version
Date
Type
  • GR551x Developer Guide
    UG-GR5-00020-EN
    Rev.2.0
    2021-01-25
  • GR5515 Starter Kit User Guide
    UG-GR5-00024-EN
    Rev.1.7
    2021-01-25
  • GR551x Bluetooth Low Energy Stack User Guide
    UG-GR5-00019-EN
    Rev.1.6
    2021-01-25
  • GR551x HAL and LL Drivers User Manual
    UG-GR5-00021-EN
    Rev.1.7
    2021-01-25
  • GR551x GCC User Manual
    UG-GR5-00023-EN
    Rev.1.7
    2021-01-25
  • GR551x Peripheral Examples Application Manual
    UG-GR5-00022-EN
    Rev.1.7
    2021-01-25
  • GR551x Bluetooth Low Energy Examples Application Manual
    UG-GR5-00027-EN
    Rev.1.6
    2021-01-25
  • GProgrammer User Manual
    UG-GGD-00004-EN
    Rev.2.0
    2021-01-25
  • GRSmart User Manual
    UG-GR5-00026-EN
    Rev.1.9
    2021-01-25

Reference Files

Title
ID
Version
Date
Type
  • GR551x API Reference
    RM-GR5-00001-EN
    Rev.1.6.06
    2021-01-25

Example Files

Title
ID
Version
Date
Type
  • GR551x Serial Port Profile Example Application
    EF-GR5-00028-EN
    Rev.1.7
    2021-01-25
  • GR551x Sample Service Application and Customization
    EF-GR5-00030-EN
    Rev.1.7
    2021-01-25
  • GR551x HID Mouse Example Application
    EF-GR5-00029-EN
    Rev.1.6
    2021-01-25
  • GR551x OTA Example Application
    EF-GR5-00026-EN
    Rev.1.8
    2021-01-25
  • GR551x AMS Profile Example Application
    EF-GR5-00021-EN
    Rev.1.6
    2021-01-25
  • GR551x Bluetooth Low Energy Throughput Example Application
    EF-GR5-00023-EN
    Rev.1.8
    2021-01-25

Application Notes

Title
ID
Version
Date
Type
  • GR551x Fault Trace Module Application Note
    AP-GR5-00014-EN
    Rev.1.7
    2021-01-25
  • GR551x WeChat AirSync Application Note
    AP-GR5-00015-EN
    Rev.1.6
    2021-01-25
  • GR551x Sleep Mode and Power Consumption Measurement Application Note
    AP-GR5-00018-EN
    Rev.1.7
    2021-01-25
  • GR551x DTM Test Application Note
    AP-GR5-00016-EN
    Rev.1.7
    2021-01-25
  • GR551x Firmware Encryption Application Note
    AP-GR5-00013-EN
    Rev.1.6
    2021-01-25

Version number

  • V1.6.06
  • V1.6.02

GR551x SDK

Version description

  • Supports GR5513BEND and GR5515I0ND SoCs
  • Supports the use of RNG2 as a low-power clock
  • Optimizes the overall power consumption performance of GR551x SoCs
  • Adds SPI-V2 driver to support 32-bit SPI fast transmission
  • Adds APIs to operate the eFuse at the user layer
  • Adds some middlewares in the library to facilitate the user to manage the Bluetooth Low Energy (Bluetooth LE) activities and schedule the business at the application layer
  • Fixes several issues that affect the stability of the system and Bluetooth LE
  • Optimizes the throughput in the one-master-multiple-slave scenario
  • Adds the new feature of minimum 937.5 μs connection interval and the corresponding demo
  • Supports wide voltage Flash
  • Updates the tools in SDK

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