lights.js

var exec = require('child_process').exec
var args = process.argv

// Config
var IP  = ''
var SEC = ''

// Lights
var FIRST_LIGHT  = '65537'
var SECOND_LIGHT = '65538'
var GROUP        = '164919'

// Puts
var baseCommand = `coap-client -m put -u "Client_identity" -k`

var commandOn   = `${baseCommand} "${SEC}" -e '{ "3311": [{ "5850": 1 }] }' "coaps://${IP}:5684/15001/${FIRST_LIGHT}"`
var commandOff  = `${baseCommand} "${SEC}" -e '{ "3311": [{ "5850": 0 }] }' "coaps://${IP}:5684/15001/${FIRST_LIGHT}"`

var commandDim   = `${baseCommand} "${SEC}" -e '{ "3311": [{ "5851": 127 }] }' "coaps://${IP}:5684/15001/${FIRST_LIGHT}"`

var commandDimBig   = `${baseCommand} "${SEC}" -e '{ "3311": [{ "5851": 127 }] }' "coaps://${IP}:5684/15001/${FIRST_LIGHT}" &&
                       ${baseCommand} "${SEC}" -e '{ "3311": [{ "5851": 200 }] }' "coaps://${IP}:5684/15001/${FIRST_LIGHT}" &&
                       ${baseCommand} "${SEC}" -e '{ "3311": [{ "5851": 30 }] }' "coaps://${IP}:5684/15001/${FIRST_LIGHT}" &&
                       ${baseCommand} "${SEC}" -e '{ "3311": [{ "5851": 127 }] }' "coaps://${IP}:5684/15001/${FIRST_LIGHT}" &&
                       ${baseCommand} "${SEC}" -e '{ "3311": [{ "5851": 200 }] }' "coaps://${IP}:5684/15001/${FIRST_LIGHT}" &&
                       ${baseCommand} "${SEC}" -e '{ "3311": [{ "5851": 30 }] }' "coaps://${IP}:5684/15001/${FIRST_LIGHT}" &&
                       ${baseCommand} "${SEC}" -e '{ "3311": [{ "5851": 127 }] }' "coaps://${IP}:5684/15001/${FIRST_LIGHT}" &&
                       ${baseCommand} "${SEC}" -e '{ "3311": [{ "5851": 200 }] }' "coaps://${IP}:5684/15001/${FIRST_LIGHT}" &&
                       ${baseCommand} "${SEC}" -e '{ "3311": [{ "5851": 30 }] }' "coaps://${IP}:5684/15001/${FIRST_LIGHT}" &&
                       sleep 3s &&
                       ${baseCommand} "${SEC}" -e '{ "3311": [{ "5851": 127 }] }' "coaps://${IP}:5684/15001/${FIRST_LIGHT}"`

var commandFlicker =  `${baseCommand} "${SEC}" -e '{ "3311": [{ "5851": 200 }] }' "coaps://${IP}:5684/15001/${FIRST_LIGHT}" &&
                       ${baseCommand} "${SEC}" -e '{ "3311": [{ "5851": 90 }] }' "coaps://${IP}:5684/15001/${FIRST_LIGHT}" &&
                       ${baseCommand} "${SEC}" -e '{ "3311": [{ "5851": 200 }] }' "coaps://${IP}:5684/15001/${FIRST_LIGHT}" &&
                       ${baseCommand} "${SEC}" -e '{ "3311": [{ "5851": 90 }] }' "coaps://${IP}:5684/15001/${FIRST_LIGHT}" &&
                       ${baseCommand} "${SEC}" -e '{ "3311": [{ "5851": 200 }] }' "coaps://${IP}:5684/15001/${FIRST_LIGHT}" &&
                       ${baseCommand} "${SEC}" -e '{ "3311": [{ "5851": 90 }] }' "coaps://${IP}:5684/15001/${FIRST_LIGHT}" &&
                       ${baseCommand} "${SEC}" -e '{ "3311": [{ "5851": 200 }] }' "coaps://${IP}:5684/15001/${FIRST_LIGHT}" &&
                       ${baseCommand} "${SEC}" -e '{ "3311": [{ "5851": 90 }] }' "coaps://${IP}:5684/15001/${FIRST_LIGHT}" &&
                       sleep 1s &&
                       ${baseCommand} "${SEC}" -e '{ "3311": [{ "5851": 200 }] }' "coaps://${IP}:5684/15001/${FIRST_LIGHT}" &&
                       sleep 2s &&
                       ${baseCommand} "${SEC}" -e '{ "3311": [{ "5851": 200 }] }' "coaps://${IP}:5684/15001/${FIRST_LIGHT}" &&
                       ${baseCommand} "${SEC}" -e '{ "3311": [{ "5851": 20 }] }' "coaps://${IP}:5684/15001/${FIRST_LIGHT}"`
// Gets
var commandGetLight = `coap-client -m get -u "Client_identity" -k "${SEC}" "coaps://${IP}:5684/15001/${FIRST_LIGHT}"`

// Use --get to get a sample payload back on the first light
if (args[2] === '--get') {
  return exec(commandGetLight, function gotLight (err, stdout) {
    if (err) return console.log(err)
    console.log(stdout)
  })
}

if (args[2] === '--flick') {
  return exec(commandFlicker, function flickLight (err) {
    if (err) return console.log(err)
    console.log("FLICKER!")
  })
}

// Use --dim to dim
if (args[2] === '--dim') {
  return exec(commandDim, function dimLight (err) {
    if (err) return console.log(err)
    console.log("DIM!")
  })
}

// Use --big to dim big
if (args[2] === '--big') {
  return exec(commandDimBig, function dimLight (err) {
    if (err) return console.log(err)
    console.log("WOW BIG DIM!")
  })
}

// Pass nothing in to just turn the light on and off
exec(commandOn, function on (err) {
  if (err) return console.log(err)
  console.log("ON!")
  exec(commandOff, function off (err) {
    if (err) return console.log(err)
    console.log("OFF!")
  })
})