ST STM32Cube User manual

Quick Start Guide

STM32Cube function pack for STM32WB MCU

featuring advanced audio streaming over

Bluetooth 5.0 using Opus codec

(FP-AUD-BVLINKWB1)

Version 3.0 (Feb 18, 2021)

Agenda

1Hardware and Software overview

3Documents & Related Resources

4STM32 Open Development Environment: Overview

2Setup & Demo Examples

1- Hardware and Software overview

P-NUCLEO-WB55 pack

Hardware Overview

P-NUCLEO-WB55 Hardware Description:

The P-NUCLEO-WB55 pack is a multi-protocol wireless and ultra-low-power device embedding a powerful and

ultra-low-power radio compliant with the Bluetooth® Low Energy (BLE) SIG specification v5.0 and with IEEE

802.15.4-2011.

Key Product on board

•STM32WB microcontroller in a VFQFPN68 package

•2.4 GHz RF transceiver supporting Bluetooth® specification v5.0 and IEEE 802.15.4-2011 PHY and MAC

•Dedicated Arm® 32-bit Cortex® M0+ CPU for real-time Radio layer

•Three user LEDs

•Three user buttons and one reset button

•Board connector: USB user with Micro-B

•Board expansion connectors:

• Arduino™ Uno V3

•ST morpho

•Integrated PCB antenna or footprint for SMA connector

•Flexible power-supply options: ST-LINK USB VBUS or external sources

•On-board socket for CR2032 battery

•On-board ST-LINK/V2-1 debugger/programmer with USB re- enumeration capability: mass storage, virtual COM port and

debug port

•Comprehensive free software libraries and examples available with the STM32Cube package

• Support of a wide choice of Integrated Development Environments (IDEs), including IAR™, Keil®, GCC-based IDEs,

Arm® Mbed™

Latest info available at www.st.com

P-NUCLEO-WB55

STM32WB5MM-DK

Hardware Overview

STM32WB5MM-DK Hardware Description:

The STM32WB5MM-DK Discovery kit is designed as a complete demonstration and development platform for the

STMicroelectronics STM32W5MMG module based on the Arm® Cortex®-M4 and Arm® Cortex®-M0+ cores.

Key Product on board

•STM32WB5MMG (1-Mbyte Flash memory, 256-Kbyte SRAM, in Module RF package)

•Dual-core 32-bit (Arm® Cortex®-M4 and dedicated M0+ CPU for real-time radio layer)

•2.4 GHz RF transceiver supporting Bluetooth® specification V5.2, 802.15.4 with Zigbee®, Thread®, and

proprietary protocols

•0.96-inch 128x64 OLED display

•128-Mbit Quad-SPI NOR Flash Memory

•Temperature sensor

•Accelerometer/gyroscope sensor

•Time-of-Flight and gesture-detection sensor

•Digital microphone

•RGB LED Infrared LED

•3 push-buttons (2 users and 1 reset) and 1 touch key button

•Connectors: STMod+, ARDUINO® Uno V3 expansion connector, USB user Micro-B connector, TAG10 10-pin footprint

•Flexible power-supply options: ST-LINK/V2-1 USB connector, 5 V delivered by ARDUINO® or external connector, USB

charger, or USB power

•On-board ST-LINK/V2-1 debugger/programmer with USB re-enumeration capability: Virtual COM port and debug port

•Comprehensive free software libraries and examples available with the STM32CubeWB MCU Package

•Support of a wide choice of Integrated Development Environments (IDEs) including IAR Embedded Workbench®, MDK-

ARM, and STM32CubeIDE

Latest info available at www.st.com

STM32WB5MM-DK

MEMS Microphones Expansion Board (CCA02M2)

Hardware Overview

X-NUCLEO-CCA02M2 Hardware Description

The X-NUCLEO-CCA02M2 expansion board has been designed around MP34DT06J digital MEMS microphone. It is

compatible with the ST morpho connector layout and with digital microphone coupon boards such as STEVAL-

MIC001V1, STEVAL-MIC002V1 and STEVAL-MIC003V1.

The X-NUCLEO-CCA02M2 embeds two MP34DT06J microphones and allows synchronized acquisition and

streaming of up to 4 microphones through I²S, SPI, DFSDM or SAI peripherals.

Key Product on board

•2 on-board MP34DT06J digital MEMS microphones

•6 slots to plug in digital microphone coupon boards such as STEVAL-MIC001V1, STEVAL-MIC002V1 and STEVAL-

MIC003V1

•Synchronized acquisition and streaming of up to 4 microphones

•Free comprehensive development firmware library and audio capture plus USB streaming sample application

compatible with STM32Cube

•Compatible with STM32 Nucleo boards

•Equipped with ST morpho connector (upwards and downwards)

•Equipped with Arduino UNO R3 connector (upwards) to allow multiple boards

•RoHS and WEEE compliant

Latest info available at www.st.com

X-NUCLEO-CCA02M2

FP-AUD-BVLINKWB1

Software Overview

FP-AUD-BVLINKWB1 Software Description

FP-AUD-BVLINKWB1 is an STM32Cube function pack that performs full-duplex

voice streaming or stereo music streaming over BLE using the advanced Opus

compression algorithm. The application runs on P-NUCLEO-WB55 connected to an

X-NUCLEO-CCA02M2 or on STM32WB5MM-DK.

Key features

•Complete firmware to implement full-duplex audio or stereo music streaming

over Bluetooth 5.0 using Opus codec for both encoding and decoding

•A BlueVoiceOPUS customized profile for audio over BLE, including an easy-to-

use set of APIs to exploit advanced Opus functionality (source code available)

•Third-party Opus v1.3 (downloadable from http://opus-codec.org/) middleware:

an open, royalty-free and highly versatile audio codec that is standardized by

the Internet Engineering Task Force (IETF) as RFC 6716

•Digital audio signal acquisition and processing

•Audio out playback through USB

•Compatibility with STBLESensor mobile app, to perform full-duplex audio

streaming at 16 kHz and speech-to-text or to receive stereo music at 48 kHz

from devices supporting BLE 4.2 or higher

•Free, user-friendly license terms

Overall Software Architecture

FP-AUD-BVLINWB1

Latest info available at www.st.com

2- Setup & Demo Examples

Setup & Application Examples

HW prerequisites for Full-Duplex demo between two STM32WB

•Full-Duplex audio streaming between two STM32WB (P-NUCLEO-WB55 or STM32WB5MM-DK)

•2x P-NUCLEO-WB55 development board + 2x X-NUCLEO-CCA02M2 expansion board; alternatively, 2x STM32WB5MM-DK

•Laptop/PC with Windows 7, 8 or 10 andAudacity or other audio recording sw

•2x micro-USB cables

•Full-Duplex audio streaming between STM32WB (P-NUCLEO-WB55 or STM32WB5MG-DK) and a mobile device

•1x P-NUCLEO-WB55 development board + 1x X-NUCLEO-CCA02M2 expansion board; alternatively, 1x STM32WB5MM-DK

•Laptop/PC with Windows 7, 8 or 10 andAudacity or other audio recording sw

•1x micro-USB cable

•1x mobile device running ST BLE SensorApp (v4.9.0 or higher)

•Full-Band stereo music streaming:

•1x P-NUCLEO-WB55 or 1x STM32WB5MM-DK

•Laptop/PC with Windows 7, 8 or 10 andAudacity or other audio recording sw

•1x micro-USB cable

•1x mobile device running ST BLE SensorApp, supporting BLE 4.2 or higher

Configure the X-NUCLEO-CCA02M2

board as in the picture in order to

acquire only one microphone through

the SAI

Full-Duplex Application Examples

X-NUCLEO-CCA02M2 HW setup

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