ble-ad-parser
Parse Bluetooth Low Energy peripheral advertising packets
Last updated 6 years ago by johnnyman727 .
MIT · Original npm · Tarball · package.json
$ cnpm install ble-ad-parser 
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ble-ad-parser

Description

This package will parse BLE slave advertisement packets into human readable/manipulatable objects. Based off of the BLE specification data types.

Install

npm install ble-ad-parser

Usage

var parser = require('ble-ad-parser');

// Payload from your BLE device (make it into a buffer, if not already)

var payload = new Buffer([27, 2, 1, 6, 17, 6, 186, 86, 137, 166, 250, 191, 162, 189, 1, 70, 125, 110, 56, 88, 171, 173, 5, 22, 10, 24, 7, 4]);

// Parse (little-endian by default)
var packets = parser.parse(payload);

// 

console.log(packets.length); // 3
console.log(packets[0].type); // Flags
console.log(packets[0].data); //  [ 'LE Limited Discoverable Mode' ]

console.log(packets[1].type); // 'Incomplete List of 128-bit Service Class UUIDs'
console.log(packets[1].data); // [ '0xba5689a6fabfa2bd01467d6e3858abad' ] 

Packet Structure

The returned packets in the packet array have the following structure:

packet.type -> A string describing type of data (eg. "Flags", "Complete List of 16-bit UUIDs", etc.)

packet.data -> The data parsed into appropriate data type (eg. String, Array of Octet Strings, unsigned int, etc.)

packet.typeFlag -> the type flag parsed from packet

packet.raw -> The raw buffer that was parsed

Endianness

You can specify the endianess that you want the buffers parsed with by using these functions:

parser.parseLE(buffer);
parse.parseBE(buffer);

License

MIT

Current Tags

  • 0.0.41                                ...           latest (6 years ago)

8 Versions

  • 0.0.41                                ...           6 years ago
  • 0.0.4                                ...           6 years ago
  • 0.0.36                                ...           6 years ago
  • 0.0.35                                ...           6 years ago
  • 0.0.30                                ...           6 years ago
  • 0.0.25                                ...           6 years ago
  • 0.0.2                                ...           6 years ago
  • 0.0.1                                ...           6 years ago
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