222.100 datatype on 6 bytes

[domotiqa]

cool, great idea !

Your a genious !
I would not have this idea at all !!!

So for my script if I tag all 6byte with "knxBacnet"

and a script:

Code:

if event.src ~= 'local' then

  -- get 3 adress from 6bytes adress
  addr = event.dst
    last = tonumber(addr:split('/')[3])
    off = last * 3

    addr1 = '3/2/' .. (off)
    addr2 = '3/2/' .. (off + 1)
    addr3 = '3/2/' .. (off + 2)
    log(addr1, addr2, addr3)
    -- -----
  
  -- decode 3 value from 6bytes value
  value = event.getvalue()
  value = lmcore.strtohex(value)
  bytestable = {}
  for i = 2, #value, 2 do
    bytevalue = string.sub(value, (i-1), i)
    table.insert(bytestable, bytevalue)
  end
  value1 = knxdatatype.decode(bytestable[1] .. bytestable[2], dt.float16)
  value2 = knxdatatype.decode(bytestable[3] .. bytestable[4], dt.float16)
  value3 = knxdatatype.decode(bytestable[5] .. bytestable[6], dt.float16)
  grp.update(addr1 , value1)
  grp.update(addr2 , value2)
  grp.update(addr3, value3)
  
end

and another with tag "bacKnx"

Code:

if event.src == 'local' then

 -- get 3 adress from 2bytes adress
 addr = event.dst
    last = tonumber(addr:split('/')[3])
    off = math.floor(last / 3)

    addr1 = '3/2/' .. (off * 3)
    addr2 = '3/2/' .. (off * 3 + 1)
    addr3 = '3/2/' .. (off * 3 + 2)

    out = '3/1/' .. off
    log(addr1, addr2, addr3, out)
    -- -----

 -- encode 6 bytes value from 3x2bytes value
 value1 = grp.find(addr1).datahex
 value2 = grp.find(addr2).datahex
 value3 = grp.find(addr3).datahex
 sixbytevaluestring = lmcore.hextostr(value1 .. value2 .. value3)
 oldvalue = grp.getvalue(out)
 if oldvalue ~= sixbytevaluestring then
   grp.write(out, sixbytevaluestring)
 end
 
end

But I don't understant your point of view about the "event.datahex"

It can be simplified a bit by using event.datahex instead of using getvalue/strtohex conversion.