lsongdev/node-bluetooth

node-bluetooth

Bluetooth serial port communication for Node.js

Requirements

This package require node-gyp installed .

Linux

You'll need libbluetooth-dev. On Ubuntu/Debian : $ sudo apt-get install libbluetooth-dev

Installation

$ npm install node-bluetooth --save

Example

create device

const bluetooth = require('node-bluetooth');

// create bluetooth device instance
const device = new bluetooth.DeviceINQ();

list already paired devices

device.listPairedDevices(console.log);

will output

➜  node-bluetooth git:(master) ✗ node example/index.js
[ { name: 'Lsong’s Trackpad',
    address: 'd0-a6-37-f1-e7-87',
    services: [ [Object], [Object] ] },
  { name: 'Lsong’s iPhone',
    address: 'dc-2b-2a-82-76-29',
    services: [ [Object], [Object], [Object], [Object] ] },
  { name: 'Lsong’s Keyboard',
    address: '60-c5-47-19-d3-76',
    services: [ [Object], [Object] ] } ]

find devices

device
.on('finished',  console.log.bind(console, 'finished'))
.on('found', function found(address, name){
  console.log('Found: ' + address + ' with name ' + name);
}).scan();

will output

➜  node-bluetooth git:(master) ✗ node example/index.js
Found: 22-22-a3-0d-63-09 with name Meizu MX4 Pro
Found: dc-2b-2a-82-76-29 with name Lsong's iPhone
Found: 38-bc-1a-37-2d-d4 with name MEIZU MX5
finished

find serial port channel

device.findSerialPortChannel(address, function(channel){
  console.log('Found RFCOMM channel for serial port on %s: ', name, channel);

  // make bluetooth connect to remote device
  bluetooth.connect(address, channel, function(err, connection){
    if(err) return console.error(err);
    connection.write(new Buffer('Hello!', 'utf-8'), () => {
      console.log("wrote");
    });
  });

});

create connection to device, read and write

// make bluetooth connect to remote device
bluetooth.connect(address, channel, function(err, connection){
  if(err) return console.error(err);

  connection.on('data', (buffer) => {
    console.log('received message:', buffer.toString());
  });

  connection.write(new Buffer('Hello!', 'utf-8'), () => {
    console.log("wrote");
  });
});

Contributing

Fork this Repo first
Clone your Repo
Install dependencies by $ npm install
Checkout a feature branch
Feel free to add your features
Make sure your features are fully tested
Publish your local branch, Open a pull request
Enjoy hacking <3

MIT license

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.