Turtle Wireless Control

local code = 0  -- set the key code to 0
local check = "" -- Set check to blank string
local tid = 24  -- this is our turtle's ID that we want to control.
rednet.open("top") -- my modem is on the top of the computer

-- handy little bit of code that outputs the ID of the computer on every startup.
local cmpid = os.getComputerID()
print(cmpid)

function test()  --  Function to get key press
  check, code = os.pullEvent("key")
end

function rectur()  -- Function to recieve message
    sid, msg = rednet.receive(1)
    if sid == nil then
        print("Turtle destroyed or out of range")
    end
end


while true do -- infinite loop

  test()  -- Get the keypress. I made it a function because I thought it would be called multiple times.

  if code == 200 then  -- 200 is the up arrow
    rednet.send(tid, "forward")
    rectur()

  elseif code == 203 then -- 203 is the left arrow
    rednet.send(tid, "left")
    rectur()

  elseif code == 205 then -- 205 is the right arrow
    rednet.send(tid, "right")
    rectur()

  elseif code == 208 then -- 208 is the down arrow
    rednet.send(tid, "back")
    rectur()

  elseif code == 54 then  -- 54 is the shift key
    rednet.send(tid, "up")
    rectur()

  elseif code == 157 then -- 157 is the CTRL key
    rednet.send(tid, "down")
    rectur()

  elseif code == 28 then -- 28 is the enter key
    rednet.send(tid, "dig")
    rectur()

  end
end