Merge pull request #2 from ElixirCLE/add-neopixels

Add neopixels

Author: joelbyler

apps/lightning/.gitignore

@@ -0,0 +1,17 @@
+# The directory Mix will write compiled artifacts to.
+/_build
+
+# If you run "mix test --cover", coverage assets end up here.
+/cover
+
+# The directory Mix downloads your dependencies sources to.
+/deps
+
+# Where 3rd-party dependencies like ExDoc output generated docs.
+/doc
+
+# If the VM crashes, it generates a dump, let's ignore it too.
+erl_crash.dump
+
+# Also ignore archive artifacts (built via "mix archive.build").
+*.ez

apps/lightning/README.md

@@ -0,0 +1,24 @@
+# Lightning
+
+**TODO: Add description**
+
+## Installation
+
+If [available in Hex](https://hex.pm/docs/publish), the package can be installed as:
+
+  1. Add `lightning` to your list of dependencies in `mix.exs`:
+
+    ```elixir
+    def deps do
+      [{:lightning, "~> 0.1.0"}]
+    end
+    ```
+
+  2. Ensure `lightning` is started before your application:
+
+    ```elixir
+    def application do
+      [applications: [:lightning]]
+    end
+    ```
+

apps/lightning/config/config.exs

@@ -0,0 +1,9 @@
+# This file is responsible for configuring your application
+# and its dependencies with the aid of the Mix.Config module.
+use Mix.Config
+
+config :lightning, :channel0,
+  pin: 18,
+  count: 1
+
+config :lightning, renderer: Lightning.NeopixelStandin

apps/lightning/lib/lightning.ex

@@ -0,0 +1,13 @@
+defmodule Lightning do
+  use Application
+
+  def start(_type, _args) do
+    import Supervisor.Spec, warn: false
+
+    children = [
+    ]
+
+    opts = [strategy: :one_for_one, name: Lightning.Supervisor]
+    Supervisor.start_link(children, opts)
+  end
+end

apps/lightning/lib/lightning/colors.ex

@@ -0,0 +1,9 @@
+defmodule Lightning.Colors do
+
+  def red do {255, 0, 0} end
+  def green do {0, 255, 0} end
+  def blue do {0, 0, 255} end
+  def off do {0, 0, 0} end
+  def white do {255, 255, 255} end
+
+end

apps/lightning/lib/lightning/control.ex

@@ -0,0 +1,20 @@
+defmodule Lightning.Control do
+  @renderer Application.get_env(:lightning, :renderer)
+
+  def change_color(color) do
+    change_color(color, 125)
+  end
+
+  def change_color(color, brightness) do
+    change_color(0, color, brightness)
+  end
+
+  def change_color(ch, color, brightness) do
+    IO.puts renderer
+    renderer.render(ch, {brightness, [color]})
+  end
+
+  def renderer do
+    @renderer || Lightning.NeopixelStandin
+  end
+end

apps/lightning/lib/lightning/neopixel_standin.ex

@@ -0,0 +1,5 @@
+defmodule Lightning.NeopixelStandin do
+  def render(channel, {brightness, color_array}) do
+    IO.puts("Rendering #{inspect(color_array)} at brightness #{inspect(brightness)} to channel #{inspect(channel)}")
+  end
+end

apps/lightning/mix.exs

@@ -0,0 +1,41 @@
+defmodule Lightning.Mixfile do
+  use Mix.Project
+
+  def project do
+    [app: :lightning,
+     version: "0.1.0",
+     build_path: "../../_build",
+     config_path: "../../config/config.exs",
+     deps_path: "../../deps",
+     lockfile: "../../mix.lock",
+     elixir: "~> 1.3",
+     build_embedded: Mix.env == :prod,
+     start_permanent: Mix.env == :prod,
+     deps: deps]
+  end
+
+  # Configuration for the OTP application
+  #
+  # Type "mix help compile.app" for more information
+  def application do
+    [applications: [:logger],
+     mod: {Lightning, []}]
+  end
+
+  # Dependencies can be Hex packages:
+  #
+  #   {:mydep, "~> 0.3.0"}
+  #
+  # Or git/path repositories:
+  #
+  #   {:mydep, git: "https://github.com/elixir-lang/mydep.git", tag: "0.1.0"}
+  #
+  # To depend on another app inside the umbrella:
+  #
+  #   {:myapp, in_umbrella: true}
+  #
+  # Type "mix help deps" for more examples and options
+  defp deps do
+    []
+  end
+end

apps/lightning/test/lightning_test.exs

@@ -0,0 +1,8 @@
+defmodule LightningTest do
+  use ExUnit.Case
+  doctest Lightning
+
+  test "the truth" do
+    assert 1 + 1 == 2
+  end
+end

apps/lightning/test/test_helper.exs

@@ -0,0 +1 @@
+ExUnit.start()

apps/the_eye/config/config.exs

@@ -6,10 +6,19 @@
 use Mix.Config
 
 config :the_eye, :wlan0,
-  ssid: "CoverMyMeds-Guest",
   key_mgmt: :"WPA-PSK",
+  ssid: "CoverMyMeds-Guest",
   psk: "technology"
 
+config :zeus, Zeus.Endpoint,
+  http: [port: 80],
+  url: [host: "localhost", port: 80],
+  secret_key_base: "Q8bCLHDz9QAcJ8ZRA2fWwUWSbglcYv3YxiLhBB2ZlRoqJydRyIWrtkllBPXtdaPp",
+  root: Path.dirname(__DIR__),
+  server: true,
+  render_errors: [accepts: ~w(html json)],
+  pubsub: [name: Nerves.PubSub]
+
 config :nerves_interim_wifi,
   regulatory_domain: "US"
 
@@ -18,8 +27,8 @@ config :logger, level: :debug
 config :nerves, :firmware,
   rootfs_additions: "config/rootfs-additions"
 
-# Import target specific config. This must remain at the bottom
-# of this file so it overrides the configuration defined above.
-# Uncomment to use target specific configurations
+config :lightning, :channel0,
+  pin: 18,
+  count: 1
 
-# import_config "#{Mix.Project.config[:target]}.exs"
+config :lightning, renderer: Nerves.Neopixel

apps/the_eye/lib/the_eye.ex

@@ -7,14 +7,15 @@ defmodule TheEye do
 
   def start(_type, _args) do
     import Supervisor.Spec, warn: false
+    neopixel_cfg = Application.get_env(:lightning, :channel0)
 
     # Define workers and child supervisors to be supervised
     children = [
       worker(Task, [fn -> init_kernel_modules() end], restart: :transient, id: Nerves.Init.KernelModules),
-      worker(Task, [fn -> init_network() end], restart: :transient, id: Nerves.Init.Network)
+      worker(Task, [fn -> init_network() end], restart: :transient, id: Nerves.Init.Network),
+      worker(Nerves.Neopixel, [neopixel_cfg, nil]),
     ]
 
-
     # See http://elixir-lang.org/docs/stable/elixir/Supervisor.html
     # for other strategies and supported options
     opts = [strategy: :one_for_one, name: TheEye.Supervisor]

apps/the_eye/mix.exs

@@ -25,13 +25,16 @@ defmodule TheEye.Mixfile do
   # Type `mix help compile.app` for more information.
   def application do
     [mod: {TheEye, []},
-     applications: [:logger, :nerves_interim_wifi, :zeus]]
+     applications: [:logger, :nerves_interim_wifi, :nerves_neopixel, :lightning, :zeus]]
   end
 
   def deps do
-    [{:nerves, "~> 0.4.0"},
-     {:nerves_interim_wifi, "~> 0.1.0"},
-     {:zeus, in_umbrella: true}
+    [
+      {:nerves, "~> 0.4.0"},
+      {:nerves_interim_wifi, "~> 0.1.0"},
+      {:nerves_neopixel, "~> 0.3.0"},
+      {:lightning, in_umbrella: true},
+      {:zeus, in_umbrella: true},
     ]
   end
 
@@ -42,7 +45,7 @@ defmodule TheEye.Mixfile do
   def aliases do
     ["deps.precompile": ["nerves.precompile", "deps.precompile"],
      "deps.loadpaths":  ["deps.loadpaths", "nerves.loadpaths"],
-    "burn": ["compile", "firmware", "firmware.burn"]]
+     "burn": ["compile", "firmware", "firmware.burn"]]
   end
 
 end

apps/zeus/.gitignore

@@ -7,6 +7,14 @@
 # Generated on crash by the VM
 erl_crash.dump
 
+# Static artifacts
+/node_modules
+
+# Since we are building assets from web/static,
+# we ignore priv/static. You may want to comment
+# this depending on your deployment strategy.
+/priv/static/
+
 # The config/prod.secret.exs file by default contains sensitive
 # data and you should not commit it into version control.
 #

apps/zeus/README.md

@@ -3,6 +3,7 @@
 To start your Phoenix app:
 
   * Install dependencies with `mix deps.get`
+  * Install Node.js dependencies with `npm install`
   * Start Phoenix endpoint with `mix phoenix.server`
 
 Now you can visit [`localhost:4000`](http://localhost:4000) from your browser.

apps/zeus/brunch-config.js

@@ -0,0 +1,69 @@
+exports.config = {
+  // See http://brunch.io/#documentation for docs.
+  files: {
+    javascripts: {
+      joinTo: "js/app.js"
+
+      // To use a separate vendor.js bundle, specify two files path
+      // http://brunch.io/docs/config#-files-
+      // joinTo: {
+      //  "js/app.js": /^(web\/static\/js)/,
+      //  "js/vendor.js": /^(web\/static\/vendor)|(deps)/
+      // }
+      //
+      // To change the order of concatenation of files, explicitly mention here
+      // order: {
+      //   before: [
+      //     "web/static/vendor/js/jquery-2.1.1.js",
+      //     "web/static/vendor/js/bootstrap.min.js"
+      //   ]
+      // }
+    },
+    stylesheets: {
+      joinTo: "css/app.css",
+      order: {
+        after: ["web/static/css/app.css"] // concat app.css last
+      }
+    },
+    templates: {
+      joinTo: "js/app.js"
+    }
+  },
+
+  conventions: {
+    // This option sets where we should place non-css and non-js assets in.
+    // By default, we set this to "/web/static/assets". Files in this directory
+    // will be copied to `paths.public`, which is "priv/static" by default.
+    assets: /^(web\/static\/assets)/
+  },
+
+  // Phoenix paths configuration
+  paths: {
+    // Dependencies and current project directories to watch
+    watched: [
+      "web/static",
+      "test/static"
+    ],
+
+    // Where to compile files to
+    public: "priv/static"
+  },
+
+  // Configure your plugins
+  plugins: {
+    babel: {
+      // Do not use ES6 compiler in vendor code
+      ignore: [/web\/static\/vendor/]
+    }
+  },
+
+  modules: {
+    autoRequire: {
+      "js/app.js": ["web/static/js/app"]
+    }
+  },
+
+  npm: {
+    enabled: true
+  }
+};

apps/zeus/config/config.exs

@@ -8,7 +8,7 @@ use Mix.Config
 # Configures the endpoint
 config :zeus, Zeus.Endpoint,
   url: [host: "localhost"],
-  secret_key_base: "Gh3ofmtXIMgiUccNZVpQxZg5vYGzXKnNhH00/9xxB6O1JwIKkB8vifQWz+ODz4S/",
+  secret_key_base: "Y+UM3Xb7PBo+7rGmSxILcUhFIf4eGRGTN2eCoFXzZ5h8Q+3fZWDL+adFoNkxHhbS",
   render_errors: [view: Zeus.ErrorView, accepts: ~w(html json)],
   pubsub: [name: Zeus.PubSub,
            adapter: Phoenix.PubSub.PG2]

apps/zeus/config/dev.exs

@@ -9,9 +9,10 @@ use Mix.Config
 config :zeus, Zeus.Endpoint,
   http: [port: 4000],
   debug_errors: true,
-  code_reloader: false,
+  code_reloader: true,
   check_origin: false,
-  watchers: []
+  watchers: [node: ["node_modules/brunch/bin/brunch", "watch", "--stdin",
+                    cd: Path.expand("../", __DIR__)]]
 
 
 # Watch static and templates for browser reloading.

apps/zeus/config/prod.exs

@@ -12,7 +12,7 @@ use Mix.Config
 # manifest is generated by the mix phoenix.digest task
 # which you typically run after static files are built.
 config :zeus, Zeus.Endpoint,
-  http: [port: {:system, "PORT"}],
+  http: [port: 80],
   url: [host: "example.com", port: 80],
   cache_static_manifest: "priv/static/manifest.json"
 
@@ -55,10 +55,6 @@ config :logger, level: :info
 #
 #     config :zeus, Zeus.Endpoint, server: true
 #
-# You will also need to set the application root to `.` in order
-# for the new static assets to be served after a hot upgrade:
-#
-#     config :zeus, Zeus.Endpoint, root: "."
 
 # Finally import the config/prod.secret.exs
 # which should be versioned separately.

apps/zeus/lib/zeus/color_parsing.ex

@@ -2,7 +2,7 @@ defmodule Zeus.ColorParsing do
 
   def parse_rgb_hex(rgb_value) do
     [r1, r2, g1, g2, b1, b2] = rgb_value |> String.codepoints |> Enum.take(-6)
-    [hex_to_number(r1 <> r2), hex_to_number(g1 <> g2), hex_to_number(b1 <> b2)]
+    {hex_to_number(r1 <> r2), hex_to_number(g1 <> g2), hex_to_number(b1 <> b2)}
   end
 
   def hex_to_number(hex_value) do

apps/zeus/lib/zeus/endpoint.ex

@@ -36,7 +36,7 @@ defmodule Zeus.Endpoint do
   plug Plug.Session,
     store: :cookie,
     key: "_zeus_key",
-    signing_salt: "wxsbw8Vg"
+    signing_salt: "X8voisJK"
 
   plug Zeus.Router
 end