ComputerCraft Boneless Turtle Treefarm

-- Funktionen
-- Turtle Setup: (w Emtyp,c colored wool, s Setzlinge)
-- wwww
-- wwww
-- wwww
-- wwsc
-- Welt: links Wolle,Hinten truhe,Unten truhe setzlinge, rechts setzlinge-farm Reihe,
function checkFuel()
    if(turtle.getFuelLevel()<250) then
        turtle.select(2);
        turtle.refuel(10);
    end
end

function checkRotation()
    for i = 0,4,1 do
        turtle.turnLeft();
        turtle.select(16);
        if turtle.compare() then
            turtle.turnRight();
            return true;
        end
    end
    return fales;
 end
 function searchRotation()
        for i = 0,4,1 do
        turtle.turnLeft();
        turtle.forward();
        if checkRotation() then
            return true;
        end
        turtle.back();
    end
 end
 function pickupSetzlinge()
     turtle.select(15);
     turtle.turnRight();
     turtle.suck();
     turtle.forward();
     for i=1,4,1 do
        turtle.turnRight();
        turtle.suck();
     end
     turtle.back();
     turtle.turnLeft();
end
 function dumpInventory()
    for i = 3,14,1 do
        turtle.select(i);
        turtle.drop();
    end
 end
 function Resupply()
    turtle.turnLeft();
    turtle.turnLeft();

    dumpInventory();
    turtle.select(15);
    turtle.suckDown();

    turtle.turnLeft();
    turtle.turnLeft();

 end
 function CheckTree()
    turtle.turnRight();
    turtle.select(1);
    if turtle.compare() then
        FarmTree();
    end
    turtle.select(15);
    turtle.place();
    turtle.turnLeft();
 end
 function FarmTree()
    turtle.select(1);
    for i = 0,10,1 do
       if turtle.compare() then
          turtle.dig();
          turtle.digUp();
          turtle.up();
       end
       if turtle.compare()==false then
           break;
       end
    end
    for i = 0,10,1 do
        turtle.down();
    end

 end

 -- Program Start
 while(turtle.down()) do
    end
 searchRotation();
 turtle.select(2);
 checkFuel();
 while(turtle.back()) do
    turtle.refuel();
 end
 Resupply();
 while(true) do
     turtle.select(2);
     while(turtle.forward()) do
        turtle.select(15);
        pickupSetzlinge();
        turtle.forward();
        turtle.select(2);
        checkFuel();
        CheckTree();
        turtle.forward();
        sleep(20);

     end
     while(turtle.back()) do
         turtle.select(2);
         checkFuel();
     end
     Resupply();
    print("sleeping");
     for i =0,100,1 do
        print(".");
        sleep(10);
     end
end