Added serial debug information

telnet.lua

@@ -1,12 +1,10 @@
 -- Telnet client 
-local telnetClient=nil
-lines = {}
--- Telnet Server
-function startTelnetServer()
-    s=net.createServer(net.TCP, 180)
-    s:listen(23,function(c)
-	    telnetClient=c
+telnetClient=nil
+local lines = {}
+
+-- Helper function
 function s_output(str)
+      uart.write(0,  "T:" .. tostring(str))
       if (telnetClient ~= nil) then
 	if (#lines > 0) then
 	    table.insert(lines, str)
@@ -16,6 +14,12 @@ function startTelnetServer()
 	end
       end
 end
+
+-- Telnet Server
+function startTelnetServer()
+    s=net.createServer(net.TCP, 180)
+    s:listen(23,function(c)
+	    telnetClient=c
 	    node.output(s_output, 0)
 	    c:on("receive",function(c,l)
 	      node.input(l)
@@ -27,10 +31,15 @@ function startTelnetServer()
 	    c:on("sent", function()        
 		if (#lines > 0) then
 		  local line1=nil
-		  for k,v in pairs(lines) do if (k==1) then line1=v end end
+		  for k,v in pairs(lines) do if (k==1) then 
+			  line1=v 
+		  	end
+			uart.write(0, "Lines:" .. tostring(v) .. "\r\n")
+
+		  end
 		  if ( line1 ~= nil ) then
 		   table.remove(lines, 1)
-		   print( tostring(line1) )
+		   uart.write(0, "Telent[" .. tostring(#lines) .. "]" .. tostring(line1) .. "\r\n" )
 		   telnetClient:send(line1)
 		  end
 		end
@@ -39,6 +48,7 @@ function startTelnetServer()
 	    print("- mydofile(\"commands\")")
 	    print("- storeConfig()")
 	    print("Visite https://github.com/nodemcu/nodemcu-firmware/wiki/nodemcu_api_en for further commands")
+	    uart.write(0, "New client connected\r\n")
     end)
     print("Telnetserver started")
 end