Narwhals Prolong Mischief

    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

    Install

    npm i flower-power-history

    DownloadsWeekly Downloads

    3

    Version

    1.0.0

    License

    MIT

    Last publish

    Collaborators

    • bubuabu