Added UDP example for mruby and a config folder

Author: Shashank Date

.gitignore

@@ -5,3 +5,4 @@ tello_gem/
 /tmp/*
 *.pdf
 /videos/*.mp4
+/config/*.json

config/.keep

@@ -19,9 +19,9 @@ class Tello
   def initialize(tello_ip)
     @fiber    = nil
     @swarm    = (tello_ip == FIXED_IP)
-    @udps     = UDPSocket.open
     @sockaddr = Socket.pack_sockaddr_in(COMMAND_PORT, tello_ip)
-    port      = RESPOND_PORT # +1+rand(500)
+    port      = RESPOND_PORT
+    @udps     = UDPSocket.open
     @udps.bind('0.0.0.0', port)
   end
 
@@ -139,8 +139,8 @@ def sanitize(message)
   Tello.create(*ARGV) do |tello|
     ## Do something
     tello.do('cw 90')
-    tello.do('ccw 90')
-    tello.do('flip l')
-    tello.do('flip r')
+    # tello.do('ccw 90')
+    # tello.do('flip l')
+    # tello.do('flip r')
   end
 end

fiber_tello.rb

@@ -1,7 +1,4 @@
 
-## Adapted from Python:
-#   https://raw.githubusercontent.com/dbaldwin/DroneBlocks-TelloEDU-Python/master/swarm-box-mission.py
-#
 ## Ruby script to connect to two TelloEDU drones and control them simultaneously
 
 require 'socket'

hello_edu.rb

@@ -1,7 +1,5 @@
-# https://github.com/katoy/dron-tello/blob/master/tello.rb
-require 'socket'
-
 ## Ruby 2.x script to control Tello drones using Threads
+require 'socket'
 
 class Tello
   def initialize(local)