ST FP-SNS-FLIGHT1 User manual

Quick Start Guide

STM32Cube function pack for IoT node BLE

connectivity and time-of-flight sensors

(FP-SNS-FLIGHT1)

Version 3.4 (March 23, 2023)

Agenda

1Hardware and Software overview

3Documents & Related Resources

4STM32 Open Development Environment: Overview

2

2Setup & Demo Examples

1- Hardware and Software overview

Hardware Overview

4

Sample implementations are available for:

1. STM32 Nucleo with expansion boards

•NUCLEO-F401RE (or NUCLEO-L476RG) + X-NUCLEO-BNRG2A1 + X-NUCLEO-53L3A2

Bluetooth Low Energy Expansion Board

Hardware Overview (1/4)

Key Product 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 bus EEPROM with high-speed clock interface

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.

5

Arduino UNO R3 connector

BLUENRG-M2SP M95640-RMC6TG

Latest info available at www.st.com

X-NUCLEO-BNRG2A1

VL53L3CX Nucleo expansion board (X-NUCLEO-53L3A2)

Hardware Overview (2/4)

Key Product on board

•VL53L3CX Time-of-Flight (ToF) ranging sensor with multi target detection

•0.25, 0.5 and 1mm spacers to simulate air gaps, with the cover glass

•Cover window (made by Hornix) sample with low cross-talk ready to use / clipable on

VL53L3CX

•Two VL53L3CX breakout boards

X-NUCLEO-53L1A2 Hardware Description

•The X-NUCLEO-53L3A2 is a ranging sensor with multi target detection

evaluation and development board designed around the VL53L3CX

sensor based on ST FlightSense™Time-of-Flight technology.

•The VL53L3CX communicates with the STM32 Nucleo developer board

host microcontroller through an I2C link available on the Arduino UNO R3

connector.

Latest info available at www.st.com

X-NUCLEO-53L3A2 6

VL53L3cx

Important Hardware Additional Information

Hardware Overview (3/4)

7

BlueNRG-2 library does not work with the stock firmware that is loaded in the BLE

module of X-NUCLEO-BNRG2A1 expansion board.

For this reason:

•first of all, it is needed to solder on X-NUCLEO-BNRG2A1, if it is not soldered, a

0 Ohm resistor at R117.

•Then you can use a standard ST-Link V2-1 with 5 jumper wires female-female

together with STSW-BNRGFLASHER software tool (currently available only for

Windows PC) in order to update the firmware of the BLE module of X-NUCLEO-

BNRG2A1.

You need to connect the J12 pins of the X-NUCLEO-BNRG2A1 to the pins of the

ST-Link V2-1 as shown in the picture and follow the steps show in the next slide.

In particular we have the following connections:

J12 ST-Link V2-1

Pin 1 1

Pin 2 9

Pin 3 12

Pin 4 7

Pin 5 15

Important Hardware Additional Information

STM32 Nucleo with Expansion boards - Hardware Overview (4/4)

8

1. install the ST BlueNRG-1_2 Flasher Utility and open it,

then select the SWD tab

2. Erase the flash memory of the BlueNRG-2 chip

3. Download the Link Layer Only firmware for the BLE

module from the following link DTM_LLOnly.bin

4. Load the Link Layer Only firmware in the ST

BlueNRG-1_2 Flasher Utility and then press the

"Flash" button

5. If you need to restore the stock firmware of the BLE

module of X-NUCLEO-BNRG2A1, you can repeat the

procedure using this firmware image DTM_Full.bin

6. If you should find some issues during the update

process, you can try to repeat the procedure closing

the J15 jumper on the X-NUCLEO-BNRG2A1

expansion board.

FP-SNS-FLIGHT1

Software Overview

9

Software Description

•The FP-SNS-FLIGHT1 is an STM32Cube function pack which let your IoT node

connect to a smartphone via BLE and uses a suitable Android™or iOS™application

like the STBLESensor app to view real-time environmental time-of-flight sensor data.

•This package, together with the suggested combination of the STM32 and ST

devices, can be used to develop wearable applications, or smart things applications

in general.

Key features

•Complete firmware to develop an IoT node with BLE connectivity and time-of-flight

sensors

•Sample implementation available X-NUCLEO-53L3A2 and X-NUCLEO-BNRG2A1

connected to a NUCLEO-F401RE or NUCLEO-L476RG

•Compatible with STBLESensor application for Android/iOS, to perform sensors data

reading, audio and motion algorithms features demo, and firmware update (FOTA).

•Easy portability across different MCU families, thanks to STM32Cube.

•Free, user-friendly

Latest info available at www.st.com

FP-SNS-FLIGHT1

Overall Software Architecture

2- Setup & Demo Examples

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