Gnomers Monitor Farm

rednet.open("top")
mon = peripheral.wrap("left")

mon.setBackgroundColor(colors.black)
mon.setTextScale(5)
mon.setCursorPos(1,1)
mon.clear()

function B1ON()
    mon.setBackgroundColor(colors.blue)
    mon.setCursorPos(1,1)
    mon.write("DACH")
end

function B1OFF()
    mon.setBackgroundColor(colors.red)
    mon.setCursorPos(1,1)
    mon.write("DACH")
    sleep(15)
end

function B2ON()
    mon.setBackgroundColor(colors.green)
    mon.setCursorPos(1,2)
    mon.write("FARM")
end

function B2OFF()
    mon.setBackgroundColor(colors.red)
    mon.setCursorPos(1,2)
    mon.write("FARM")
    sleep(15)
end

B1ON()
B2ON()

while true do

    file = fs.open("B1", "r")             --read user
    B1 = tonumber(file.readLine())
    file.close()

    file = fs.open("B2", "r")             --read user
    B2 = tonumber(file.readLine())
    file.close()

    local event, button, X, Y = os.pullEvent("monitor_touch")
    if X >= 01 and X <= 04 and Y == 1 then
        if B1 == 0 and B2 == 0 then     --wenn Dach zu dann auf -> nur wenn Farm zu
            --Brodcast
            rednet.broadcast("ausfahren")
            B1OFF()
            B1ON()
            Status1 = "1"
        elseif B1 == 1 and B2 == 0 then     --wenn Dach auf dann zu -> nur wenn Farm zu
            --Brodcast
            rednet.broadcast("einfahren")
            B1OFF()
            B1ON()
            Status1 = "0"
        end

        file = fs.open("B1", "w")
        file.write(Status1)
        file.close()
        print("Dach: " .. Status1)

    elseif X >= 01 and X <= 04 and Y == 2 then
        if B2 == 0 then     --wenn Farm zu dann auf
            --Brodcast
            rednet.broadcast("1")
            B2OFF()
            B2ON()
            Status2 = "1"
        elseif B2 == 1 then     --wenn Farm auf dann zu
            --Brodcast
            rednet.broadcast("farm2")
            B2OFF()
            B2ON()
            Status2 = "0"
        end
        file = fs.open("B2", "w")
        file.write(Status2)
        file.close()
        print("Farm: " .. Status2)
    end
    sleep(0.5)
end