Cropper V2

local component = require("component")
local robot = require("robot")
local geo = component.geolyzer
local ic = component.inventory_controller
local event = require "event"

local checked = false
local step = 0

function placeCross()
  ic.equip()
  robot.useDown(0)
  os.sleep(0.1)
  robot.useDown(0)
  ic.equip()
end

while event.pull(1, "interrupted") == nil do
   meta = geo.analyze(0).metadata
   if meta == 7 then
     print("next")
     checked = false
     if step == 0 then
       step=1
       robot.turnLeft()
       robot.forward()
       robot.turnLeft()
       robot.forward()
       robot.swingDown()
       placeCross()
     else
       step=0
       robot.turnLeft()
       robot.forward()
       robot.swingDown()
       placeCross()
     end
   elseif not checked and meta  > 0 then
     robot.useDown(0,false,0)
     if geo.analyze(0).metadata < meta then
        checked = true
        robot.useDown(0,false,0)
        print("Detected crop")
     else --weed
        print("Removing weeds")
        robot.select(2)
        ic.equip()
        robot.useDown(0,false,0)
        os.sleep(.4)
        robot.useDown(0,false,0)
        ic.equip()
        robot.select(1)
        ic.equip()
        robot.useDown(0,false,0)
        ic.equip()
     end
  else
     robot.up()
     os.sleep(5)
     robot.down()
   end
end