4. Livebook Animation

Mix.install([
  {:kino, "~> 0.6.2"}
])

import IEx.Helpers

Your Notes

h(Kino.animate() / 3)

Move Core to Mix Project

configure livebook to use mix project

Adapters

your notes

defmodule BinaryClock.Adapter.Dev do
  # struct with hardware and soft state
  defstruct [:spi, :clock]

  def new(args) do
    # create initial state
    initial_acc = :some_state
    initial_acc
  end

  def tick(acc) do
    next_acc = :compute_next_accumulator
    next_acc
  end

  def show(acc) do
    # convert the state to a string using core's converter
    IO.puts(inspect(acc))
  end
end

defmodule BinaryClock.Adapter.Test do
  def new(args) do
    # create initial state
    initial_acc = :some_state
    initial_acc
  end

  def tick(acc) do
    next_acc = :compute_next_accumulator
    next_acc
  end

  def show(acc) do
    # return some state that's easy to verify
    IO.puts(inspect(acc))
  end
end

defmodule BinaryClock.Adapter.Target do
  def new(args) do
    # set up hardware and create initial state
    # open spi
    initial_acc = :some_state
    initial_acc
  end

  def tick(acc) do
    next_acc = :compute_next_accumulator
    next_acc
  end

  def show(acc) do
    # write spi
    IO.puts(inspect(acc))
  end
end

Lab: Clock with livebook