ST X-NUCLEO-BNRG2A1 Manuale utente

Quick Start Guide

Bluetooth Low Energy expansion board based on

BlueNRG-M2SP module for STM32 Nucleo

(X-NUCLEO-BNRG2A1)

Version 2.0 (July 2, 2020)

Agenda

1Hardware and Software overview

3Documents & Related Resources

4STM32 Open Development Environment: Overview

2

2Setup & Demo Examples

1- Hardware and Software overview

Bluetooth Low Energy expansion board

Hardware Overview

X-NUCLEO-BNRG2A1 Hardware Description

•The X-NUCLEO-BNRG2A1 is a Bluetooth Low Energy (BLE) evaluation and

development board system, designed around ST’s BLUENRG-M2SP Bluetooth

Low Energy module based on BlueNRG-2.

•The BlueNRG-2 processor hosted in the BLUENRG-M2SP module communicates

with the STM32 microcontroller, hosted on the Nucleo development board,

through an SPI link available on the Arduino UNO R3 connector.

Key Products on board

BLUENRG-M2SP

Bluetooth Low Energy, FCC and IC certified (FCC ID: S9NBNRGM2SP, IC:

B976C-BNRGM2SP), module based on Bluetooth® Low Energy wireless network

processor BlueNRG-2, BLE v5.0 compliant.

BLUENRG-M2SP integrates a BALF-NRG-02D3 balun and a PCB antenna. It

embeds 32 MHz crystal oscillator for the BlueNRG-2.

M95640-RMC6TG

64-Kbit serial SPI EEPROM with high-speed clock interface

Arduino UNO R3 connector

BLUENRG-M2SP M95640-RMC6TG

Latest info available at www.st.com

X-NUCLEO-BNRG2A1

X-CUBE-BLE2

Software Overview

5

X-CUBE-BLE2 Software Description

•The X-CUBE-BLE2 is a software package which provides STM32 drivers running

for the BlueNRG-2 Bluetooth Low Energy device. It is an STM32Cube expansion

software package that eases portability across different STM32 MCU families

•Implementation examples are available for the STM32 Nucleo Bluetooth Low

Energy expansion board (X-NUCLEO-BNRG2A1) plugged on top of an STM32

Nucleo board (NUCLEO-L476RG)

Key features

•Complete middleware to build applications using the BlueNRG-2 network

processor

•Easy portability across different MCU families thanks to the STM32Cube

•Sample applications that the developer can use to start experimenting with the

code

•References to free Android and iOS app that can be used along with the sample

applications

•Free, user-friendly license terms

Latest info available at www.st.com

X-CUBE-BLE2

Overall Software Architecture

2- Setup & Demo Examples

Setup & Application Examples

HW prerequisites for X-NUCLEO-BNRG2A1

7

•1x X-NUCLEO-BNRG2A1 Bluetooth Low Energy expansion board

•1x STM32 Nucleo development board (Nucleo-L476RG)

•1 x BLE-enabled smartphone and associated apps

Nucleo-L476RG +

X-NUCLEO-BNRG2A1

Android OS device

https://play.google.com/store/apps/

details?id=com.macdom.ble.blesca

nner

iOS device

BLE Scanner

https://apps.apple.com/it/app/st-

bluems/id993670214

https://play.google.com/store/apps

/details?id=com.st.bluems

App for Hands OnApp for DemoSmartphone requirements

ST BLE Sensor

https://apps.apple.com/us/app/ble-

scanner-4-0/id1221763603

Setup & Application Examples

HW limitation

•Warning Even if not strictly required for the correct working of the BlueNRG-2 module, to correctly

set the BlueNRG-2 RESET pin on pin D7 of theArduino connector a 0 Ohm resistor must be

soldiered on R117. Alternatively, the D7 pin and the pin #5 of the J12 on the X-NUCLEO-

BNRG2A1 expansion board must be bridged (as shown in the picture).

Setup & Application Examples

Software and Other prerequisites

9

•STSW-LINK009

•ST-LINK/V2-1 USB driver

•STSW-LINK007

•ST-LINK/V2-1 firmware upgrade

•X-CUBE-BLE2

• Copy the zip file content into the “c:\Program Files (x86)\STMicroelectronics\” folder on your PC

•The package contains the source code examples (Keil, IAR EWARM, STM32CubeIDE) based on NUCLEO-L476RG

•BlueNRG GUI SW package

•The BlueNRG GUI SW package contains the Graphical User interface (GUI) and script launcher PC applications which

supports BlueNRG-2, BlueNRG-1, BlueNRG-MS and BlueNRG Bluetooth Low Energy (BLE) devices.

X-CUBE-BLE2 sample applications

Start coding in just a few minutes

10

Download & unpack

1

Select Expansion Pack:

X-CUBE-BLE2

23

4

5

6

Evaluate / modify / build the code

www.st.com/stm32ode

Open project example (e.g.

SensorDemo_BLESensor-App)

X-CUBE-BLE2 package structure

Docs

BSP, HAL drivers

BLE HCI stack

Sample

applications,

binary

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1

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