flower-power-history

1.0.0 • Public • Published

flower-power-history

node.js lib for decoding Parrot Flower Power history file.

Install

$ npm install flower-power-history

Usage

const FlowerPowerHistory = require('flower-power-history')
const fs = require('fs')
 
const history = FlowerPowerHistory(b64History, startupTime)
const stream = fs.createWriteStream('history.csv')
stream.once('open', (fd) => {
  history.writeCSV(stream)
  stream.end()
})

File structure

  • Header

Size: 0X10

Index Type Value
0x0 unsigned int16 Unknown
0x2 unsigned int16 Nb entries
0x4 unsigned int32 Last entry time
0x8 unsigned int16 First entry index
0xA unsigned int16 Last entry index
0xC unsigned int16 Session ID
0xE unsigned int16 Period
  • Entry

Size: 0xC

Index Type Value
0x0 unsigned int16 Air temperature
0x2 unsigned int16 Light
0x4 unsigned int16 Soil EC
0x6 unsigned int16 Soil temperature
0x8 unsigned int16 Soil VWC
0xA unsigned int16 Battery level

Conversions

  • Temperature:

0.0473711045 * value + -11.19891627 => °C

  • Light:

10981.31391 * exp ( 1 / value) + -10981.3812 => mol / m² / d

  • Soil VWC:

0.179814297 * value + -40.76741498 => %

  • Battery level:

0.2865304553 * value + -177.3583506 => %

  • Soil EC:

TODO

TODO

  • convert soil EC raw value to dS/m

Package Sidebar

Install

npm i flower-power-history

Weekly Downloads

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Version

1.0.0

License

MIT

Last publish

Collaborators

  • bubuabu