Modbus TCP debug

[MarcusH]

Hi

Im wondring if its possible for Lm to debug incoming requests from master. 

i know about the "mbetdebug".

I managed to get this when using mb:readregister(x) in combination with mb:debug | * string: [00][01][00][00][00][06][FF][03][00][02][00][01] | 
This is excatly what i want , but i need to recieve it when an external master sends a request, not the Lm trying to read or write.

I wan't to be able to debug the request so i can use the data later in the code for mapping different settings. 

-Marcus

[admin]

This example will create Modbus TCP slave on port 502. It will log all requests/responses.

Code:

require('luamodbus')

mb = luamodbus.tcp()
mb:open('0.0.0.0', 502)

mb:setmapping(0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF)

debug = {}

mb:setdebug(function(ch)
  debug[ #debug + 1 ] = ch
end)

while true do
  mb:handleslave()

  if #debug > 0 then
    log(table.concat(debug))
    debug = {}
  end
end