knx/src/dptlib/dpt20.js

KNXnet/IP protocol implementation for Node(>=6.x)

/**
 * knx.js - a KNX protocol stack in pure Javascript
 * (C) 2016-2018 Elias Karakoulakis
 */

const log = require('log-driver').logger;

//
// DPT20: 1-byte HVAC
//
// FIXME: help needed
exports.formatAPDU = (value) => {
  log.debug('./knx/src/dpt20.js : input value = ' + value);
  return Buffer.from([value]);
};

exports.fromBuffer = (buf) => {
  if (buf.length !== 1) throw 'Buffer should be 1 bytes long';
  const ret = buf.readUInt8(0);
  log.debug('               dpt20.js   fromBuffer : ' + ret);
  return ret;
};

exports.basetype = {
  bitlength: 8,
  range: [,],
  valuetype: 'basic',
  desc: '1-byte',
};

exports.subtypes = {
  // 20.102 HVAC mode
  102: {
    name: 'HVAC_Mode',
    desc: '',
    unit: '',
    scalar_range: [,],
    range: [,],
  },
};