ST X-NUCLEO-BNRG2A1 User manual

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

X-CUBE-BLE2 sample applications
Evaluate in just a few minutes (1/2)
11
1
2
From X-CUBE-BLE2 software resource
package drag and drop
SensorDemo_BLESensor-App_L476RG.bin
on Nucleo drive
Download and install the ST BLE Sensor application on your smartphone
from Google Play or App Store

X-CUBE-BLE2 sample applications
Evaluate in just a few minutes (2/2)
12
3
4
Connect your smartphone application to the BlueNRG-2 device
and control the cube on the smartphone
Simulated environmental and motion data are sent periodically from the
STM32 Nucleo board to the smartphone app

X-CUBE-BLE2 sample applications
Evaluate using the BlueNRG GUI
13
1
2
Drag and drop
Virtual_COM_Port_L476RG.bin
on Nucleo drive
Download the BlueNRG GUI from st.com and install it on your PC
3

X-CUBE-BLE2 for BlueNRG-2N device
Emulating BlueNRG-2N device with X-NUCLEO-BNRG2A1 (1/3)
14
1The X-CUBE-BLE2 software package can be used also with the BlueNRG-2N device
2The BlueNRG-2 device on the X-NUCLEO-BNRG2A1 expansion board can be used to
emulate the BlueNRG-2N device
3To flash the BlueNRG-2N firmware on the BlueNRG-2 device,
you need a standard ST-LINK/V2 debugger with 5 jumper wires
(female-female)
4Connect the J12 pins on the X-NUCLEO-BNRG2A1 and the ST-
Link/V2 pins as shown in the table below
J12 pin no. ST-Link/V2 pin no.
VDD
1 1
SWTCK
2 9
GND
312
SWDIO
4 7
RST
515

X-CUBE-BLE2 for BlueNRG-2N device
Emulating BlueNRG-2N device with X-NUCLEO-BNRG2A1 (2/3)
15
5Download and unpack the STSW-BNRG2N-V320, containing the BlueNRG-2N firmware
image (available on www.st.com)
6Download and install the STSW-BNRGFLASHER (available only for
Windows)
7Connect the ST-Link/V2 debugger to your PC

X-CUBE-BLE2 for BlueNRG-2N device
Emulating BlueNRG-2N device with X-NUCLEO-BNRG2A1 (3/3)
16
8Open the BlueNRG-1_2 Flasher Utility (STSW-BNRGFLASHER)
aSelect the SWD tab cLoad the BlueNRG_2N_FW_V3_2_0.hex
firmware contained in the STSW-
BNRG2N-V320 and press the Flash
button
bErase the BlueNRG-2
flash memory

Restoring the BlueNRG-2 firmware image
17
•To restore the BlueNRG-2 firmware image on the BlueNRG-2 device, download and install the STSW-
BNRGUI
•Execute all steps described in previous slide at point 8, loading (8.c) the DTM_SPI.hex firmware
contained in the STSW-BNRGUI installation folder (usually C:\Program Files
(x86)\STMicroelectronics\BlueNRG GUI 3.2.1\Firmware\BlueNRG2\DTM for version 3.2.1)

3- Documents & Related Resources

Documents & Related Resources
X-NUCLEO-BNRG2A1:
•Gerber files, BOM, Schematic
•DB4086:Bluetooth Low Energy expansion board based on BLUENRG-M2SP module for STM32 Nucleo –data brief
•UM2667: Getting started with the X-NUCLEO-BNRG2A1 BLE expansion board based on BLUENRG-M2SP module for STM32 Nucleo –user
manual
X-CUBE-BLE2:
•DB4087:Bluetooth Low Energy software expansion for STM32Cube –databrief
•UM2666:Getting started with the X-CUBE-BLE2 Bluetooth Low Energy software expansion for STM32Cube –user manual
19
All documents are available in the DESIGN tab of the related products webpage
Consult www.st.com for the complete list

4- STM32 Open Development
Environment: Overview