48 lines
1.2 KiB
JavaScript
48 lines
1.2 KiB
JavaScript
'use strict'
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const ipc = require('node-ipc')
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const log = require('../log')('ble')
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function capitalize (s) {
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return s[0].toUpperCase() + s.slice(1)
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}
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/** Class representing the bluetooth interface */
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class Blootstrap {
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constructor () {
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this._onData = () => {}
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ipc.config.maxRetries = 0
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ipc.connectTo('blootstrap_ble', () => {
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ipc.of.blootstrap_ble.on('connect', () => {
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log.info('connect', `Connected to the blootstrap_ble service`)
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})
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ipc.of.blootstrap_ble.on('data', data => {
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const str = data.toString()
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log.info('data', str)
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this._onData(str)
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})
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ipc.of.blootstrap_ble.on('disconnect', () => {
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log.info('disconnect', `Disconnected from the blootstrap_ble service`)
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})
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ipc.of.blootstrap_ble.on('error', (err) => {
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if (err.code === 'EACCES') {
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log.warn('ble', `Cannot access ipc`)
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} else {
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log.error('ble', { error : err })
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}
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})
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})
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}
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/**
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* Binds functions to events that are triggered by BLE messages
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*
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* @param {string} eventName Name of the event to to bind
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* @param {function} callback Invoked when the event is triggered
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*/
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on (eventName, callback) {
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this[`_on${capitalize(eventName)}`] = callback
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}
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}
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module.exports = new Blootstrap() |