Audio and inertial data streaming via Bluetooth® low energy using SPBTLE-1S very low power application module based on BlueNRG-1

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  • The STSW-BLUEMIC-1 is an evaluation software package which allows development of smart and innovative solutions based on the SPBTLE-1S module.

    The latter is based on BlueNRG-1, very low power Bluetooth low energy single mode system-on-chip embedding a high performance, ultra-low power 32-bit Cortex-M0, with 160 KB of Flash memory and 24 KB of RAM.
    The software package includes the entire Bluetooth® low energy stack and protocols, compliant with the STSW-BLUENRG1-DK.
    It also contains a board support package that offers a complete set of APIs for digital MEMS microphone, 3-axis accelerometer and gyroscope, as well as button and LED management.
    The BlueVoiceADPCM binary library, available as middleware, provides a vendor specific BLE profile for voice streaming and all the APIs needed for audio compression using the ITU-T G.726 ADPCM standard, packetization and streaming over BLE.
    The STSW-BLUEMIC-1 allows an STEVAL-BLUEMIC-1 evaluation board to act as a peripheral in a point-to-point connection with a mobile device running ST BlueMS app, available for Android™ and iOS™. In this configuration, the evaluation board streams the audio acquired from the on-board digital MEMS microphone (MP34DT05-A or MP34DT04-C1) or motion data acquired from the 3-axis accelerometer and gyroscope (LSM6DSL).

    Key Features

    • Complete software package supporting SPBTLE-1S module, based on BlueNRG-1 Bluetooth® low energy system-on-chip
    • Bluetooth® v4.2 compliant:
      • supports master and slave modes
      • simultaneously supports multiple roles
    • Digital audio signal acquisition and compression (ITU-T G.726 ADPCM)
    • Voice streaming over BLE using a vendor specific profile available as a binary library in the package
    • Motion sensor acquisition, 3-axis accelerometer and 3-axis gyroscope data streaming via BLE
    • Data transmission to ST BlueMS app (v3.0.0 or higher), available for Android™ and iOS™
    • BLE stack binary library and APIs, event callback interface, BlueNRG-1 CMSIS files and peripheral drivers
    • Complete board support package to build applications using a digital MEMS microphone (MP34DT05-A or MP34DT04-C1) and a motion sensor (LSM6DSL)

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Evaluation Tools

    • Part Number

      Ultra-low power Bluetooth® low energy microphone based on SPBTLE-1S certified module

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Technical Documentation

    • Description Version Size Action
      DB3336
      Audio and inertial data streaming via Bluetooth® low energy using SPBTLE-1S very low power application module based on BlueNRG-1
      2.0
      143.63 KB
      PDF
      DB3336

      Audio and inertial data streaming via Bluetooth® low energy using SPBTLE-1S very low power application module based on BlueNRG-1

Legal

    • Description Version Size Action
      SLA0068
      PRODUCTION LIMITED LICENSE AGREEMENT FOR ST MATERIALS
      2.4
      122.48 KB
      PDF
      SLA0068

      PRODUCTION LIMITED LICENSE AGREEMENT FOR ST MATERIALS

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