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Reset Peloton cadence/power when ride ends. #37

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merged 5 commits into from
Feb 2, 2021
Merged

Reset Peloton cadence/power when ride ends. #37

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a959906
Bail after bike stops sending stats.
ptx2 Feb 1, 2021
32420d1
Consider connection established on first packet.
ptx2 Feb 1, 2021
2244c8f
Revert.
ptx2 Feb 1, 2021
5263e02
Add Peloton stats timeout.
ptx2 Feb 1, 2021
410dca3
Remove unused argument.
ptx2 Feb 2, 2021
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14 changes: 14 additions & 0 deletions src/bikes/peloton.js
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Original file line number Diff line number Diff line change
@@ -1,10 +1,12 @@
import {once, EventEmitter} from 'events';
import {Timer} from '../util/timer';
import util from 'util';

const SerialPort = require('serialport')
const Delimiter = require('@serialport/parser-delimiter')

const PACKET_DELIMITER = Buffer.from('f6', 'hex');
const STATS_TIMEOUT = 1.0;

const debuglog = util.debuglog('gymnasticon:bikes:peloton');

Expand All @@ -24,6 +26,10 @@ export class PelotonBikeClient extends EventEmitter {
// initial stats
this.power = 0;
this.cadence = 0;

// reset stats to 0 when the user leaves the ride screen or turns the bike off
this.statsTimeout = new Timer(STATS_TIMEOUT, {repeats: false});
this.statsTimeout.on('timeout', this.onStatsTimeout.bind(this));
}

async connect() {
Expand Down Expand Up @@ -62,17 +68,25 @@ export class PelotonBikeClient extends EventEmitter {
case 65:
this.cadence = decodePeloton(data, data[2], false);
this.onStatsUpdate();
this.statsTimeout.reset();
return;
case 68:
this.power = decodePeloton(data, data[2], true);
this.onStatsUpdate();
this.statsTimeout.reset();
return;
}
}

onSerialClose() {
this.emit('disconnect', {address: this.address});
}

onStatsTimeout() {
this.power = 0;
this.cadence = 0;
this.onStatsUpdate();
}
}

export function decodePeloton(bufferArray, byteLength, isPower) {
Expand Down