Advent of Code - Day 2 - Design to be used with Shenzhen IO

aoc_day2.lua

-- This is a custom design based on the Advent of Code Day 2
--
-- You can put your own input into the design by changing parts of 
-- the code below.
-- Currently it is not possible to solve both parts at once.


function get_name()
    return "AoC-Day 2-Bathroom Security"
end

function get_description()
    return { 
        "You are tasked with the construction of a keypad breaking device.",
        "The device will be used to bybass security locks in the Easterbunny HQ. The device receives the mnenonics for the code via radio and should transmit the resulting key back.",
        "| Keypad",
        "--------",
        "| 1 2 3",
        "| 4 5 6",
        "| 7 8 9",
        "<PAGE>",
        "Movement will always start on key 5.",
        "Moving outside the pad will do nothing.",
        "Movement Table:",
        "| # | Direction ",
        "----------------",
        "| 1 | Up        ",
        "| 2 | Right     ",
        "| 3 | Down      ",
        "| 4 | Left      ",
        "<PAGE>",
        "Based on Advent of Code 2016 - Day 2",
        "http://adventofcode.com/2016/day/2"
    }
end

function get_board()
    return [[
        ##################
        R#################
        ##################
        ##################
        ##################
        ##################
        ##################
    ]]
end

function get_data()
    inputs = {
--
-- Put your own input here
--
--
--       +--- The input lines
--       |        +---- The resulting key for part 1
--       |        |      +---- The resulting key for part 2
--       |        |      |
--       v        v      v
        {"ULL",   1,     5},
        {"RRDDD", 9,     13},
        {"LURDL", 8,     11},
        {"UUUUD", 5,     3},
    }
    translation = {U=1, R=2, D=3, L=4}   -- If you want other movement encoding, change this
    direction = {}
    key = {}
    next_i = 1
    for i = 1, 60 do
        direction[i] = {}
        key[i] = {}
    end
    for j = 1,#inputs do
        local input = inputs[j][1]
        local p = j * 5
        key[p+1] = {inputs[j][2]}    -- Use this line for solving part 1
--        key[p+1] = {inputs[j][3]}    -- Use this line for solving part 2
        for n = 1,#input do
            local c = input:sub(n, n)
            direction[p][n] = translation[c]
        end
    end

    create_radio(direction, key)
end