122 lines
3.4 KiB
JavaScript
122 lines
3.4 KiB
JavaScript
'use strict'
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/*
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Open Rowing Monitor, https://github.com/laberning/openrowingmonitor
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Creates a Bluetooth Low Energy (BLE) Peripheral with all the Services that are required for
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a Fitness Machine Device
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Relevant parts from https://www.bluetooth.com/specifications/specs/fitness-machine-profile-1-0/
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The Fitness Machine shall instantiate one and only one Fitness Machine Service as Primary Service
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The User Data Service, if supported, shall be instantiated as a Primary Service.
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The Fitness Machine may instantiate the Device Information Service
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(Manufacturer Name String, Model Number String)
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*/
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import bleno from '@abandonware/bleno'
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import FitnessMachineService from './ftms/FitnessMachineService.js'
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// import DeviceInformationService from './ftms/DeviceInformationService.js'
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import config from '../tools/ConfigManager.js'
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import log from 'loglevel'
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function createFtmsPeripheral (controlCallback, options) {
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const peripheralName = options?.simulateIndoorBike ? config.ftmsBikePeripheralName : config.ftmsRowerPeripheralName
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const fitnessMachineService = new FitnessMachineService(options, controlPointCallback)
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// const deviceInformationService = new DeviceInformationService()
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bleno.on('stateChange', (state) => {
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triggerAdvertising(state)
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})
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bleno.on('advertisingStart', (error) => {
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if (!error) {
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bleno.setServices(
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// [fitnessMachineService, deviceInformationService],
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[fitnessMachineService],
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(error) => {
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if (error) log.error(error)
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})
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}
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})
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bleno.on('accept', (clientAddress) => {
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log.debug(`ble central connected: ${clientAddress}`)
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bleno.updateRssi()
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})
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bleno.on('disconnect', (clientAddress) => {
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log.debug(`ble central disconnected: ${clientAddress}`)
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})
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bleno.on('platform', (event) => {
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log.debug('platform', event)
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})
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bleno.on('addressChange', (event) => {
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log.debug('addressChange', event)
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})
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bleno.on('mtuChange', (event) => {
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log.debug('mtuChange', event)
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})
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bleno.on('advertisingStartError', (event) => {
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log.debug('advertisingStartError', event)
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})
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bleno.on('servicesSetError', (event) => {
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log.debug('servicesSetError', event)
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})
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bleno.on('rssiUpdate', (event) => {
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log.debug('rssiUpdate', event)
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})
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function controlPointCallback (event) {
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const obj = {
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req: event,
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res: {}
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}
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if (controlCallback) controlCallback(obj)
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return obj.res
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}
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function destroy () {
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return new Promise((resolve) => {
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bleno.disconnect()
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bleno.removeAllListeners()
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bleno.stopAdvertising(resolve)
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})
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}
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function triggerAdvertising (eventState) {
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const activeState = eventState || bleno.state
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if (activeState === 'poweredOn') {
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bleno.startAdvertising(
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peripheralName,
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// [fitnessMachineService.uuid, deviceInformationService.uuid],
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[fitnessMachineService.uuid],
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(error) => {
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if (error) log.error(error)
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}
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)
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} else {
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bleno.stopAdvertising()
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}
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}
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// present current rowing metrics to FTMS central
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function notifyData (type, data) {
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if (type === 'strokeFinished' || type === 'metricsUpdate') {
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fitnessMachineService.notifyData(data)
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}
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}
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// present current rowing status to FTMS central
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function notifyStatus (status) {
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fitnessMachineService.notifyStatus(status)
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}
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return {
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triggerAdvertising,
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notifyData,
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notifyStatus,
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destroy
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}
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}
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export { createFtmsPeripheral }
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