38 lines
1.4 KiB
JavaScript
38 lines
1.4 KiB
JavaScript
'use strict'
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/*
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Open Rowing Monitor, https://github.com/laberning/openrowingmonitor
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This implements the Rower Feature Characteristic as defined by the specification.
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Used to inform the Central about the features that the Open Rowing Monitor supports.
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Make sure that The Fitness Machine Features and Target Setting Features that are announced here
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are supported in RowerDataCharacteristic and FitnessMachineControlPointCharacteristic.
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*/
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import bleno from '@abandonware/bleno'
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import log from 'loglevel'
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export default class RowerFeatureCharacteristic extends bleno.Characteristic {
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constructor () {
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super({
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// Fitness Machine Feature
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uuid: '2ACC',
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properties: ['read'],
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value: null
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})
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}
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onReadRequest (offset, callback) {
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// see https://www.bluetooth.com/specifications/specs/fitness-machine-service-1-0 for details
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// Fitness Machine Features for the RowerDataCharacteristic
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// Total Distance Supported (2), Pace Supported (5), Expended Energy Supported (9),
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// Heart Rate Measurement Supported (10), Elapsed Time Supported (bit 12),
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// Power Measurement Supported (14)
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// 00100100 01010110
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// Target Setting Features for the RowerDataCharacteristic
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// none
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// 0000000 0000000
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const features = [0x24, 0x56, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00]
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log.debug('Features of Rower requested')
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callback(this.RESULT_SUCCESS, features.slice(offset, features.length))
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};
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}
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