mostly a spike to see what it takes to add neopixels

Author: joelbyler

apps/the_eye/config/config.exs

@@ -18,6 +18,10 @@ config :logger, level: :debug
 config :nerves, :firmware,
   rootfs_additions: "config/rootfs-additions"
 
+config :the_eye, :channel0,
+  pin: 18,
+  count: 1
+
 # 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

apps/the_eye/lib/the_eye.ex

@@ -8,12 +8,17 @@ defmodule TheEye do
   def start(_type, _args) do
     import Supervisor.Spec, warn: false
 
+    neopixel_cfg = Application.get_env(:the_eye, :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]),
     ]
 
+    #For ref
+    # Nerves.Neopixel.render(0, {150, [{0,255,0}]})
 
     # See http://elixir-lang.org/docs/stable/elixir/Supervisor.html
     # for other strategies and supported options

apps/the_eye/mix.exs

@@ -25,13 +25,15 @@ 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, :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"},
+      {:zeus, in_umbrella: true},
+      {:nerves_neopixel, "~> 0.3.0"}
     ]
   end
 

mix.lock

@@ -1,13 +1,13 @@
 %{"cowboy": {:hex, :cowboy, "1.1.2", "61ac29ea970389a88eca5a65601460162d370a70018afe6f949a29dca91f3bb0", [:rebar3], [{:cowlib, "~> 1.0.2", [hex: :cowlib, optional: false]}, {:ranch, "~> 1.3.2", [hex: :ranch, optional: false]}]},
   "cowlib": {:hex, :cowlib, "1.0.2", "9d769a1d062c9c3ac753096f868ca121e2730b9a377de23dec0f7e08b1df84ee", [:make], []},
   "distillery": {:hex, :distillery, "1.1.2", "4cf32ecc70ca7eecca9e52e111edf320bd78011050825863cd8bc7ffee686c5d", [:mix], []},
-  "elixir_make": {:hex, :elixir_make, "0.4.0", "992f38fabe705bb45821a728f20914c554b276838433349d4f2341f7a687cddf", [:mix], []},
+  "elixir_make": {:hex, :elixir_make, "0.3.0", "285147fa943806eee82f6680b7b446b5569bcf3ee8328fa0a7c200ffc44fbaba", [:mix], []},
   "fs": {:hex, :fs, "0.9.2", "ed17036c26c3f70ac49781ed9220a50c36775c6ca2cf8182d123b6566e49ec59", [:rebar], []},
   "gettext": {:hex, :gettext, "0.13.1", "5e0daf4e7636d771c4c71ad5f3f53ba09a9ae5c250e1ab9c42ba9edccc476263", [:mix], []},
   "mime": {:hex, :mime, "1.0.1", "05c393850524767d13a53627df71beeebb016205eb43bfbd92d14d24ec7a1b51", [:mix], []},
   "nerves": {:hex, :nerves, "0.4.7", "c8d08348e6f717cf140da26dc374bcf2f6f7c2bec646073aeab049e08b588173", [:mix], [{:distillery, "~> 1.0", [hex: :distillery, optional: false]}]},
   "nerves_interim_wifi": {:hex, :nerves_interim_wifi, "0.1.1", "88c65ced1440e96b954189ccfc8a55cb4575cb64a8725907c3e8a9900adb2a70", [:make, :mix], [{:elixir_make, "~> 0.3", [hex: :elixir_make, optional: false]}, {:nerves_network_interface, "~> 0.3.1", [hex: :nerves_network_interface, optional: false]}, {:nerves_wpa_supplicant, "~> 0.2.2", [hex: :nerves_wpa_supplicant, optional: false]}]},
-  "nerves_io_neopixel": {:hex, :nerves_io_neopixel, "0.2.0", "012112ba1715186383f187ab28ce2245d55e98b1957702163e7e0223bfbef409", [:make, :mix], []},
+  "nerves_neopixel": {:hex, :nerves_neopixel, "0.3.0", "afd9c906896f0b39a2bea61cf01afe304d550bc74c789a5e872d64df5e1ae559", [:make, :mix], [{:elixir_make, "~> 0.3.0", [hex: :elixir_make, optional: false]}]},
   "nerves_network_interface": {:hex, :nerves_network_interface, "0.3.3", "0a49e00f9f0bdb482e94d8e9885cf0a250ae04cc18d248d83bc184b8813ddda2", [:make, :mix], [{:elixir_make, "~> 0.3", [hex: :elixir_make, optional: false]}]},
   "nerves_system_br": {:hex, :nerves_system_br, "0.9.4", "5096a9dfec49d4663ccb94c4a4fe45885303fbf31108f7e9400369bdec94b5e7", [:mix], []},
   "nerves_system_rpi3": {:hex, :nerves_system_rpi3, "0.10.0", "dc5c05e1caf13027aaa57b4142d128513d9c29acc3284cc984a6770592ed4b34", [:mix], [{:nerves, "~> 0.4.0", [hex: :nerves, optional: false]}, {:nerves_system_br, "~> 0.9.2", [hex: :nerves_system_br, optional: false]}, {:nerves_toolchain_arm_unknown_linux_gnueabihf, "~> 0.9.0", [hex: :nerves_toolchain_arm_unknown_linux_gnueabihf, optional: false]}]},