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ble-central-advertisements

v1.1.0

Published

Advertisement parsing utility for cordova-plugin-ble-central

Downloads

296

Readme

ble-central-advertisements

Advertisement parsing utility for cordova-plugin-ble-central.

This module aims to unify core GATT advertising attributes under a single interface, so that we can spend less time parsing mundane Bluetooth GATT / ATT profile specifics and more time making bluetooth apps.

Installation

install from npm via:

npm install -P -E ble-central-advertisements

Usage

import { AdvertisementDecoder } from 'ble-central-advertisements';

const decoder = new AdvertisementDecoder();
const services = [];
const seconds = 30;

function success(advertisement) {

	let parsed = decoder.decode(advertisement);

	// or if you want to leave the advertisement un-mutated
	// let parsed = decoder.decode(advertisement, {});

	console.log(parsed.advDataLocalName);
}

function failure(error) {
	console.log(error);
}

// https://github.com/don/cordova-plugin-ble-central#scan
ble.scan(services, seconds, success, failure);

NOTE: While this module was primarily built to deal with advertising data from the ble-central plugin, it is designed to be general purpose, and can parse raw BLE advertising data provided from any module / plugin (not just from the ble-central plugin).

import { AdvertisementDecoder, Convert } from 'ble-central-advertisements';

const decoder = new AdvertisementDecoder();
const advertisementDataHex = '020106030309181409546865726d6f6d65746572204578616d706c65';
const input = Convert.hexToUint8Array(advertisementDataHex).buffer;
const output = decoder.decode(input);

console.log(output.advDataLocalName); // 'Thermometer Example'

Documentation

Source documentation can be found here