Add base mix tasks and functions

Author: fhunleth

CHANGELOG.md

@@ -0,0 +1,5 @@
+# Changelog
+
+## v0.1.0
+
+Initial release to hex.

mix.exs

@@ -1,33 +1,85 @@
-defmodule CircuitsCdev.MixProject do
+defmodule Circuits.Cdev.MixProject do
   use Mix.Project
 
+  @version "0.1.0"
+  @source_url "https://github.com/elixir-circuits/circuits_cdev"
+
   def project do
     [
       app: :circuits_cdev,
-      version: "0.1.0",
+      version: @version,
       elixir: "~> 1.9",
-      compilers: [:elixir_make] ++ Mix.compilers(),
+      description: description(),
+      package: package(),
+      source_url: @source_url,
+      compilers: [:elixir_make | Mix.compilers()],
       make_targets: ["all"],
       make_clean: ["clean"],
+      docs: docs(),
+      aliases: [format: [&format_c/1, "format"]],
       start_permanent: Mix.env() == :prod,
       build_embedded: true,
-      deps: deps()
+      dialyzer: [
+        flags: [:unmatched_returns, :error_handling, :race_conditions, :underspecs]
+      ],
+      deps: deps(),
+      preferred_cli_env: %{docs: :docs, "hex.publish": :docs, "hex.build": :docs}
     ]
   end
 
-  # Run "mix help compile.app" to learn about applications.
   def application do
     [
       extra_applications: [:logger],
       mod: {Circuits.GPIO.Chip.Application, []}
     ]
   end
 
-  # Run "mix help deps" to learn about dependencies.
+  defp description do
+    "Use GPIOs in Elixir"
+  end
+
+  defp package do
+    %{
+      files: [
+        "lib",
+        "src/*.[ch]",
+        "mix.exs",
+        "README.md",
+        "LICENSE",
+        "CHANGELOG.md",
+        "Makefile"
+      ],
+      licenses: ["Apache-2.0"],
+      links: %{"GitHub" => @source_url}
+    }
+  end
+
   defp deps do
     [
       {:elixir_make, "~> 0.6", runtime: false},
-      {:ex_doc, "~> 0.21.3", only: :docs, runtime: false}
+      {:ex_doc, "~> 0.21.3", only: :docs, runtime: false},
+      {:dialyxir, "~> 1.0.0", only: :dev, runtime: false}
     ]
   end
+
+  defp docs do
+    [
+      extras: ["README.md"],
+      main: "readme",
+      source_ref: "v#{@version}",
+      source_url: @source_url
+    ]
+  end
+
+  defp format_c([]) do
+    case System.find_executable("astyle") do
+      nil ->
+        Mix.Shell.IO.info("Install astyle to format C code.")
+
+      astyle ->
+        System.cmd(astyle, ["-n", "src/*.c"], into: IO.stream(:stdio, :line))
+    end
+  end
+
+  defp format_c(_args), do: true
 end

mix.lock

@@ -1,6 +1,8 @@
 %{
+  "dialyxir": {:hex, :dialyxir, "1.0.0", "6a1fa629f7881a9f5aaf3a78f094b2a51a0357c843871b8bc98824e7342d00a5", [:mix], [{:erlex, ">= 0.2.6", [hex: :erlex, repo: "hexpm", optional: false]}], "hexpm", "aeb06588145fac14ca08d8061a142d52753dbc2cf7f0d00fc1013f53f8654654"},
   "earmark": {:hex, :earmark, "1.4.3", "364ca2e9710f6bff494117dbbd53880d84bebb692dafc3a78eb50aa3183f2bfd", [:mix], [], "hexpm", "8cf8a291ebf1c7b9539e3cddb19e9cef066c2441b1640f13c34c1d3cfc825fec"},
   "elixir_make": {:hex, :elixir_make, "0.6.0", "38349f3e29aff4864352084fc736fa7fa0f2995a819a737554f7ebd28b85aaab", [:mix], [], "hexpm", "d522695b93b7f0b4c0fcb2dfe73a6b905b1c301226a5a55cb42e5b14d509e050"},
+  "erlex": {:hex, :erlex, "0.2.6", "c7987d15e899c7a2f34f5420d2a2ea0d659682c06ac607572df55a43753aa12e", [:mix], [], "hexpm", "2ed2e25711feb44d52b17d2780eabf998452f6efda104877a3881c2f8c0c0c75"},
   "ex_doc": {:hex, :ex_doc, "0.21.3", "857ec876b35a587c5d9148a2512e952e24c24345552259464b98bfbb883c7b42", [:mix], [{:earmark, "~> 1.4", [hex: :earmark, repo: "hexpm", optional: false]}, {:makeup_elixir, "~> 0.14", [hex: :makeup_elixir, repo: "hexpm", optional: false]}], "hexpm", "0db1ee8d1547ab4877c5b5dffc6604ef9454e189928d5ba8967d4a58a801f161"},
   "makeup": {:hex, :makeup, "1.0.1", "82f332e461dc6c79dbd82fbe2a9c10d48ed07146f0a478286e590c83c52010b5", [:mix], [{:nimble_parsec, "~> 0.5.0", [hex: :nimble_parsec, repo: "hexpm", optional: false]}], "hexpm", "49736fe5b66a08d8575bf5321d716bac5da20c8e6b97714fec2bcd6febcfa1f8"},
   "makeup_elixir": {:hex, :makeup_elixir, "0.14.0", "cf8b7c66ad1cff4c14679698d532f0b5d45a3968ffbcbfd590339cb57742f1ae", [:mix], [{:makeup, "~> 1.0", [hex: :makeup, repo: "hexpm", optional: false]}], "hexpm", "d4b316c7222a85bbaa2fd7c6e90e37e953257ad196dc229505137c5e505e9eff"},

src/cdev_nif.c

@@ -482,6 +482,7 @@ static ErlNifFunc nif_funcs[] = {
     {"request_linehandle_multi", 5, request_linehandle_multi_nif},
     {"request_lineevent", 5, request_lineevent_nif},
     {"read_interrupt", 3, read_interrupt_nif},
-    {"set_values", 2, set_values_nif}};
+    {"set_values", 2, set_values_nif}
+};
 
 ERL_NIF_INIT(Elixir.Circuits.GPIO.Chip.Nif, nif_funcs, load, NULL, NULL, NULL)