Certus quartz cluster miner

-- certus quartz cluster miner
-- setup a detector and this turtle next to a budding certus quartz to mine it automatically on maturity

local function epocSecs()
    return os.epoch() / (60 * 1000)
end



-- constants
local updateSide = "left"
local maxUpdates = 5 -- the max level of states. 0 to this number
local minState = 0
local reset = minState -2   -- two updates are sent when the block generates, so the first update sets the state to minState
local timeoutPeriod = 5 * 60 -- in secconds

-- variables
local updates = 0
local prevUpdates = 0
local lastUpdateTime = epocSecs()

-- reset the system on reboot
turtle.dig()


-- main loop
while true do
    if updates >= maxUpdates  then
       sleep(1)
       print("ready to dig")
       turtle.dig()

       updates = reset
       lastUpdateTime = epocSecs()
    end

    if not turtle.detect() then
        if updates ~= -1 then
            updates = reset
        end
        lastUpdateTime = epocSecs()
    end


    if rs.getInput(updateSide) == true then
        updates = updates + 1
    end


    if (lastUpdateTime + timeoutPeriod) < epocSecs() then
        print("Timeout... Resetting")
        lastUpdateTime = epocSecs()
        turtle.dig()
        updates = reset
    end


    if updates ~= prevUpdates then
        print("update " .. tostring(updates))
        print("elapsed ".. epocSecs() - lastUpdateTime)
        prevUpdates = updates
    end

    sleep(0.05)
end