72 lines
2.5 KiB
JavaScript
72 lines
2.5 KiB
JavaScript
'use strict'
|
|
/*
|
|
Open Rowing Monitor, https://github.com/laberning/openrowingmonitor
|
|
|
|
Implementation of the AdditionalStatus2 as defined in:
|
|
https://www.concept2.co.uk/files/pdf/us/monitors/PM5_BluetoothSmartInterfaceDefinition.pdf
|
|
*/
|
|
import bleno from '@abandonware/bleno'
|
|
import { getFullUUID } from '../Pm5Constants.js'
|
|
import log from 'loglevel'
|
|
import BufferBuilder from '../../BufferBuilder.js'
|
|
|
|
export default class AdditionalStatus2 extends bleno.Characteristic {
|
|
constructor (multiplexedCharacteristic) {
|
|
super({
|
|
// id for AdditionalStatus2 as defined in the spec
|
|
uuid: getFullUUID('0033'),
|
|
value: null,
|
|
properties: ['notify']
|
|
})
|
|
this._updateValueCallback = null
|
|
this._multiplexedCharacteristic = multiplexedCharacteristic
|
|
}
|
|
|
|
onSubscribe (maxValueSize, updateValueCallback) {
|
|
log.debug(`AdditionalStatus2 - central subscribed with maxSize: ${maxValueSize}`)
|
|
this._updateValueCallback = updateValueCallback
|
|
return this.RESULT_SUCCESS
|
|
}
|
|
|
|
onUnsubscribe () {
|
|
log.debug('AdditionalStatus2 - central unsubscribed')
|
|
this._updateValueCallback = null
|
|
return this.RESULT_UNLIKELY_ERROR
|
|
}
|
|
|
|
notify (data) {
|
|
if (this._updateValueCallback || this._multiplexedCharacteristic.centralSubscribed()) {
|
|
const bufferBuilder = new BufferBuilder()
|
|
// elapsedTime: UInt24LE in 0.01 sec
|
|
bufferBuilder.writeUInt24LE(Math.round(data.durationTotal * 100))
|
|
// intervalCount: UInt8
|
|
bufferBuilder.writeUInt8(0)
|
|
if (this._updateValueCallback) {
|
|
// the multiplexer uses a slightly different format for the AdditionalStatus2
|
|
// it skips averagePower before totalCalories
|
|
// averagePower: UInt16LE in watts
|
|
bufferBuilder.writeUInt16LE(Math.round(data.power))
|
|
}
|
|
// totalCalories: UInt16LE in cal
|
|
bufferBuilder.writeUInt16LE(Math.round(data.caloriesTotal))
|
|
// splitAveragePace: UInt16LE in 0.01 sec/500m
|
|
bufferBuilder.writeUInt16LE(0 * 100)
|
|
// splitAveragePower UInt16LE in watts
|
|
bufferBuilder.writeUInt16LE(0)
|
|
// splitAverageCalories
|
|
bufferBuilder.writeUInt16LE(0)
|
|
// lastSplitTime
|
|
bufferBuilder.writeUInt24LE(0 * 100)
|
|
// lastSplitDistance in 1 m
|
|
bufferBuilder.writeUInt24LE(0)
|
|
|
|
if (this._updateValueCallback) {
|
|
this._updateValueCallback(bufferBuilder.getBuffer())
|
|
} else {
|
|
this._multiplexedCharacteristic.notify(0x33, bufferBuilder.getBuffer())
|
|
}
|
|
return this.RESULT_SUCCESS
|
|
}
|
|
}
|
|
}
|