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MetaWear SDK for C++ by MBIENTLAB

Platforms License

alt tag

This project is a C++ implementation of the MetaWear protocol. If compiled as a shared library, it can be used with any language that supports calling C functions from a shared library, such as Node and Python.

The library only constructs the bytes for communicating with the MetaWear platform, it does not contain any Bluetooth LE code. Users will need to fill in the appropriate Bluetooth LE functions for their target platform.

ADDITIONAL NOTES
This library is platform agnostic and does not contain any Bluetooth code. You are responsible for adding in this functionality.

Overview

MetaWear is a complete development and production platform for wearable and connected device applications.

MetaWear features a number of sensors and peripherals all easily controllable over Bluetooth 4.0/5.0 Low Energy using this SDK, no firmware or hardware experience needed!

The MetaWear hardware comes pre-loaded with a wirelessly upgradeable firmware, so it keeps getting more powerful over time.

Requirements

  • MetaWear board
  • A linux/mac/windows machine with Bluetooth 4.0 or Bluetooth 5.0

Notes

  • Our tutorials will mostly reflect usage on ios and linux (see our SDKs)
  • Can work on macOS/iOS/OSX/tvOS (you may need to do some additional dev yourself - not documented/supported by Mbient)
  • Can work on Windows (you will need to do some additional dev yourself - not documented/supported by Mbient)

License

See the License.

Support

Reach out to the community if you encounter any problems, or just want to chat :)

Getting Started

Installation

Building the project has been tested on Unix systems with Clang 4.

Usage

> clang++ --version
clang version 4.0.1 (tags/RELEASE_401/final 305264)
Target: x86_64-unknown-linux-gnu
C:\Program Files (x86)\Microsoft Visual Studio\2017\Community>cl.exe
Microsoft (R) C/C++ Optimizing Compiler Version 19.10.25019 for x64
Copyright (C) Microsoft Corporation.  All rights reserved.

usage: cl [ option... ] filename... [ /link linkoption... ]

GCC and Clang

Linux users can build the project by invoking GNU make; the default action is to build the shared library for your current platform. You can also change the C++ compiler by overriding the CXX make variable.

> make

# build using g++ as the compiler
> make CXX=g++

Upon a successful compile, the library will be placed in the newly created "dist" directory.

> tree dist
dist/
└── release
    └── lib
        └── x64
            ├── libmetawear.so -> libmetawear.so.0
            ├── libmetawear.so.0 -> libmetawear.so.0.20.1
            └── libmetawear.so.0.20.1

Testing

Unit tests for the library are written in Python (min v3.4.1) and can be invoked by calling the test target.

GNU Make

> make test
python3 -m unittest discover -s test
.................................................................................
.................................................................................
.................................................................................
.................................................................................
..............................s..................................................
........................................................
----------------------------------------------------------------------
Ran 461 tests in 33.249s

OK (skipped=1)

Tutorials

Tutorials can be found here.