localbus

[admin]

You need to call step for it to receive data. You should also define callback before setting it.

Code:

if not lb then
  lb = require('localbus').new(1)

  function groupcallback(event)  
    log(event)
    
    if event.dst == '0/2/1' then    
      local value = knxdatatype.decode(event.datahex, dt.uint16)    
      log(value)
    end
  end

  lb:sethandler('groupwrite', groupcallback)
  lb:sethandler('groupread', groupcallback)
  lb:sethandler('groupresponse', groupcallback)
end

lb:step()