node-red-contrib-enocean/nodes/enocean-in.js

an enocean node for node-red

module.exports = RED => {
  function EnoceanInNode (config) {
    RED.nodes.createNode(this, config)
    this.name = config.name
    this.serialport = config.serialport
    this.status({ fill: 'grey', shape: 'ring', text: 'not initialized' })
    var node = this
    makeStateRefreshable(node, RED)
    EnoceanListener(node, data => {
      node.status({ fill: 'green', shape: 'dot', text: 'data' })
      setTimeout(() => node.status({ fill: 'green', shape: 'ring', text: 'data' }), 100)
      if (data.constructor.name === 'RadioERP1') {
        // TODO: cast to concrete types on receivers end
        node.send({
          payload: data.toString(),
          meta: {
            type: 'radio-erp1',
            rorg: data.RORG,
            senderId: data.senderId,
            destinationId: data.destinationId,
            subTelNum: data.subTelNum,
            rssi: data.RSSI,
            timestamp: Date.now(),
            status: data.status
          }
        })
      }
      if (data.constructor.name === 'RadioERP2') {
        // TODO: cast to concrete types on receivers end
        node.send({
          payload: data.toString(),
          meta: {
            type: 'radio-erp2',
            data: data.data.toString(),
            teachIn: data.teachIn,
            telegramType: data.telegramType,
            rorg: data.RORG.toString(16),
            extendedHeaderAvailable: data.extendedHeaderAvailable,
            addressControl: data.addressControl,
            senderId: data.senderId,
            destinationId: data.destinationId,
            subTelNum: data.subTelNum,
            rssi: data.RSSI,
            timestamp: Date.now(),
            status: data.status
          }
        })
      }
    })
  }

  async function EnoceanListener (node, cb) {
    const usb = RED.nodes.getNode(node.serialport)
    usb.parser.on('data', cb)
  }
  RED.nodes.registerType('enocean-in', EnoceanInNode)
}

function makeStateRefreshable (node, red) {
  node.refreshState = () => {
    const usb = red.nodes.getNode(node.serialport)
    if (usb.baseId === '') {
      node.status({ fill: 'red', shape: 'dot', text: 'error: no baseId' })
    } else {
      node.status({ fill: 'green', shape: 'ring', text: 'data' })
    }
  }
}