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TCPSocket connection refused for Anthem Receiver QuickApp


Anth

Question

Hi All,

So I have been trying to get a TCPSocket connection to my Anthem receiver using the code below.

Each time I try to connect it returns "connection refused"

The odd thing is - when I go to the Command Prompt on the same laptop I can use telnet using the same details without an issue.

 

Any ideas?

 

Thanks

 

 

QA Code:

 

 

local host = "10.0.0.40"
local port = 14900
 
function QuickApp:onInit()
    self:debug("onInit")
    self:connect()
    self:debug("onInit - connect()")
end
 
function QuickApp:onDataReceived(data)
    self:debug("onDataReceived")
    self:debug("onDataReceived", data)
end
 
function QuickApp:waitForResponseFunction()
  self.sock:read({ -- reading a data package from the socket
      success = function(data)
        self:onDataReceived(data) -- handling of received data
        self:waitForResponseFunction() -- looping of data readout
      end,
      error = function() -- a function that will be called in case of an error when trying to receive data, e.g. disconnecting a socket
        self:debug("response error")
        self.sock:close() -- socket closed
        --fibaro.setTimeout(5000, function() self:connect() end) -- re-connection attempt (every 5s)
      end
    })
end
 
function QuickApp:connect()
    self:debug("connect() - HOST: " .. host .. " PORT: " .. port)
    self.sock = net.TCPSocket() -- creation of a TCPSocket instance
    self:debug("CONNECT() - self.sock = net.TCPSocket()")
    self.sock:connect(host, port, { -- connection to the device with the specified IP and port
      success = function() -- the function will be triggered if the connection is correct
        self:debug("connected")
        self:send("SOCKET IS - " , self.sock)
        self:waitForResponseFunction() -- launching a data readout "loop"
      end,
      error = function(err) -- a function that will be triggered in case of an incorrect connection, e.g. timeout
        self:debug("connection error:",err)
        self.sock:close() -- closing the socket
        self:debug("socket closed")
        --fibaro.setTimeout(5000, function() self:connect() end) -- re-connection attempt (every 5s)
      end,
    })
    self:debug("connect() - connecting")
 
end
 
function QuickApp:onDisconnect()
    self:debug("Anthem onDisconnect");
    self.sock:close()
end
 
 
 
 
 
[10.07.2024] [16:21:25] [DEBUG] [QUICKAPP282]: onInit
[10.07.2024] [16:21:25] [DEBUG] [QUICKAPP282]: connect() - HOST: 10.0.0.40 PORT: 14900
[10.07.2024] [16:21:25] [DEBUG] [QUICKAPP282]: CONNECT() - self.sock = net.TCPSocket()
[10.07.2024] [16:21:25] [DEBUG] [QUICKAPP282]: connect() - connecting
[10.07.2024] [16:21:25] [DEBUG] [QUICKAPP282]: onInit - connect()
[10.07.2024] [16:21:25] [DEBUG] [QUICKAPP282]: connection error: Connection refused
[10.07.2024] [16:21:25] [DEBUG] [QUICKAPP282]: socket closed
 
 
 
 
 
 
C:\Users\anth_>telnet 10.0.0.40 14900
 

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/monthly_2024_07/image.png.c00c9f4d0a3a21a7e2a3614084156a80.png" />
 
Z1VOL?;  is the query and Z1VOL-40; is the response from the amplifier.
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  • Inquirer
  • All,

    To close this out I have found the issue I was having.

    The Anthem AVR actually has two IP addresses - 1 for the AVR and the other for the PlayFi function. By setting the AVR IP under network settings (and in the router for a static IP) you need to make sure its the right MAC address and different from the PlayFi IP.

    No works well - just about to publish my first QA to the forum!

     

    Anth

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