Minecraft CC Tree Sensor

--not my code
function split(pString, pPattern)
   local Table = {}  -- NOTE: use {n = 0} in Lua-5.0
   local fpat = "(.-)" .. pPattern
   local last_end = 1
   local s, e, cap = pString:find(fpat, 1)
   while s do
          if s ~= 1 or cap ~= "" then
         table.insert(Table,cap)
          end
          last_end = e+1
          s, e, cap = pString:find(fpat, last_end)
   end
   if last_end <= #pString then
          cap = pString:sub(last_end)
          table.insert(Table, cap)
   end
   return Table
end
--not my code
--now my code VVV

local function figureoutwhoiam()
    local cpulabel = os.getComputerLabel()
    local id = split(cpulabel,"_")[3]
    local x = split(id,"-")[2]
    local z = split(id,"-")[1]
    print("I am:",id.."!")
    return {x,z,id}
end

local allowed = true
local modem = peripheral.wrap("left")
if not modem then turtle.equipLeft() turtle.equipLeft() end
modem.open(40)

local iam = figureoutwhoiam()

coroutine.wrap(function()
    print("Reload Function Waiting")
    while true do
        local event,side,freq,rpfreq,msg,distance = os.pullEvent("modem_message")
        print("Modem Message Received:","ID:",freq)
        if freq == 30+10*iam[2] and msg.Reason ~= nil and msg.Reason == "Reload" then
            print("Reloading")
            allowed = false
            break
        end
    end
end)

while allowed do
    if turtle.detect() then
        local suc,data = turtle.inspect()
        if suc and data.name == "minecraft:log" then
            print("Tree Detected")
            modem.transmit(30+10*iam[2],30+10*iam[2],{Reason="TreeGrew",Pos=iam[1]})
            repeat sleep(0.1) until not turtle.detect()
            print("Tree No Longer Detected")
        end
    end
end
shell.run("reload")