openrowingmonitor/app/tools/RowingRecorder.js

22 lines
664 B
JavaScript

'use strict'
/*
Open Rowing Monitor, https://github.com/laberning/openrowingmonitor
A quick hack to record measurements from the rowing machine for development purposes.
*/
import { fork } from 'child_process'
import fs from 'fs'
function recordRowingSession (filename) {
// measure the gpio interrupts in another process, since we need
// to track time close to realtime
const gpioTimerService = fork('./app/tools/GpioTimerService.js')
gpioTimerService.on('message', (dataPoint) => {
console.log(dataPoint.delta)
fs.appendFile(filename, `${dataPoint.delta}\n`, (err) => { if (err) console.log(err) })
})
}
export { recordRowingSession }