{"id":45348,"date":"2023-10-31T18:23:16","date_gmt":"2023-05-21T19:10:33","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/45348-2\/"},"modified":"2024-05-04T06:54:25","modified_gmt":"2024-05-03T22:54:25","slug":"45348-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/45348-2\/","title":{"rendered":""},"content":{"rendered":"
\"hello-nerves-with-rustler.png\"<\/div>\n

\u306f\u3058\u3081\u306b<\/h2>\n

Nerves\u306e\u7279\u5fb4\u306e\u3072\u3068\u3064\u306b\u3001\u4ed6\u306e\u8a00\u8a9e\u3067\u66f8\u304b\u308c\u305f\u30d7\u30ed\u30b0\u30e9\u30e0\u3068\u9023\u643a\u3055\u305b\u3089\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

Nerves Project\u306e \u516c\u5f0f\u30db\u30fc\u30e0\u30da\u30fc\u30b8 \u3088\u308a<\/p>\n

Scalable
\n\u30b9\u30b1\u30fc\u30e9\u30d6\u30eb<\/p>\n

Nerves is written in Elixir, but you don\u2019t have to rewrite everything in Elixir to get the advantages of Nerves \u2014 simply bring your own code (like C, C++, Python, Rust, and more) and scale up.<\/p>\n

Nerves\u306fElixir\u3067\u66f8\u304b\u308c\u3066\u3044\u307e\u3059\u304c\u3001Nerves\u306e\u5229\u70b9\u3092\u5f97\u308b\u305f\u3081\u306b\u5168\u3066\u3092Elixir\u3067\u66f8\u304d\u76f4\u3059\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u81ea\u5206\u306e\u30b3\u30fc\u30c9\uff08C\u3001C++\u3001Python\u3001Rust\u306a\u3069\uff09\u3092\u6301\u3061\u8fbc\u3080\u3060\u3051\u3067\u30b9\u30b1\u30fc\u30eb\u30a2\u30c3\u30d7\u3067\u304d\u307e\u3059\u3002<\/p><\/blockquote>\n

\u3053\u306e\u8a18\u4e8b\u3067\u306fRust\u306e\u95a2\u6570\u3092\u547c\u3093\u3067\u307f\u307e\u3059\u3002Rust\u306e\u95a2\u6570\u3092Erlang VM\uff08BEAM\uff09\u306eNative Implemented Functions\uff08NIF\uff09\u3068\u3057\u3066\u5b9f\u88c5\u3057\u3001BEAM\u30d7\u30ed\u30bb\u30b9\u5185\u3067\u5b9f\u884c\u3057\u307e\u3059\u3002Rustler\u3068\u3044\u3046\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n

Rust\u306e\u30b3\u30fc\u30c9\u306f\u958b\u767a\u30de\u30b7\u30f3\u4e0a\u3067\u30bf\u30fc\u30b2\u30c3\u30c8\u30dc\u30fc\u30c9\u306e\u52d5\u7684\u30ea\u30f3\u30af\u30e9\u30a4\u30d6\u30e9\u30ea\u30fc\u3078\u3068\u30af\u30ed\u30b9\u30b3\u30f3\u30d1\u30a4\u30eb\u3057\u3001Nerves\u306e\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\u306b\u57cb\u3081\u8fbc\u307f\u307e\u3059\u3002<\/p>\n

macOS\u3067\u306e\u624b\u9806\u306b\u306a\u308a\u307e\u3059\u3002\u7b46\u8005\u306e\u74b0\u5883\u306f\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n

\u7b46\u8005\u306e\u74b0\u5883<\/p>\n

    \n
  • \n
      \u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af<\/ul>\n<\/li>\n<\/ul>\n

      Nerves v1.7.12
      \nRustler v0.22.2<\/p>\n

      \u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e<\/p>\n

      Elixir 1.12.3-otp-24
      \nErlang 24.1.5
      \nRust 1.57.0<\/p>\n

      \u30bf\u30fc\u30b2\u30c3\u30c8\u30dc\u30fc\u30c9<\/p>\n

      BeagleBone\uff08\u30aa\u30ea\u30b8\u30ca\u30eb\u7248\u3002\u6700\u521d\u306b\u767a\u58f2\u3055\u308c\u305f\u767d\u3044\u30dc\u30fc\u30c9\u3067\u3059\uff09<\/p>\n

      \u958b\u767a\u30de\u30b7\u30f3<\/p>\n

      Mac mini (M1, 2020)
      \nmacOS Big Sur 11.6.1 (arm64)<\/p>\n

      \u624b\u9806<\/h2>\n

      Nerves\u958b\u767a\u74b0\u5883\u306f\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u6e08\u307f\u3068\u3057\u3066\u9032\u3081\u307e\u3059\u3002\u3082\u3057\u307e\u3060\u306a\u3089 \u516c\u5f0f\u30b5\u30a4\u30c8\u306e\u624b\u9806 \u306b\u5f93\u3063\u3066\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n

      \u306a\u304a\u3001\u73fe\u6642\u70b9\u3067\u306fRustler\u306f\u30af\u30ed\u30b9\u30b3\u30f3\u30d1\u30a4\u30eb\u306b\u5b8c\u5168\u306b\u306f\u5bfe\u5fdc\u3067\u304d\u3066\u306a\u3044\u3088\u3046\u3067\u3001\u30ef\u30fc\u30af\u30a2\u30e9\u30a6\u30f3\u30c9\u3068\u3057\u3066\u3001\u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u306b\u3044\u304f\u3064\u304b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u624b\u3067\u5b9f\u884c\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

      Rust\u30c4\u30fc\u30eb\u30c1\u30a7\u30fc\u30f3\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/h3>\n

      Rust\u30c4\u30fc\u30eb\u30c1\u30a7\u30fc\u30f3\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u307e\u3059\u3002Rust\u30c4\u30fc\u30eb\u30c1\u30a7\u30fc\u30f3\u306b\u306f\u3001Rust\u30b3\u30f3\u30d1\u30a4\u30e9\u30fc\uff08rustc\uff09\u3001\u30d3\u30eb\u30c9\u30c4\u30fc\u30eb\u517c\u30d1\u30c3\u30b1\u30fc\u30b8\u30de\u30cd\u30fc\u30b8\u30e3\u30fc\u306eCargo\u3001\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\u30fc\u306a\u3069\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n

      Web\u30d6\u30e9\u30a6\u30b6\u30fc\u3067 https:\/\/rustup.rs \u306b\u30a2\u30af\u30bb\u30b9\u3057\u3001\u8868\u793a\u3055\u308c\u305f\u624b\u9806\u306b\u5f93\u3044\u307e\u3059\u3002macOS\u3067\u306f\u3001\u30bf\u30fc\u30df\u30ca\u30eb\u304b\u3089\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5165\u529b\u3057\u307e\u3059\uff082021\u5e7412\u6708\u73fe\u5728\uff09<\/p>\n

      $<\/span> curl --proto<\/span> '=https'<\/span> --tlsv1<\/span>.2 -sSf<\/span> https:\/\/sh.rustup.rs | sh\r\n<\/code><\/pre>\n
      \u8cea\u554f\u306b\u5bfe\u3057\u3066\u306f\u5168\u3066\u30ea\u30bf\u30fc\u30f3\u30ad\u30fc\u3092\u62bc\u3059\u3053\u3068\u3067\u30c7\u30d5\u30a9\u30eb\u30c8\u3092\u9078\u629e\u3059\u308c\u3070OK\u3067\u3059\u3002<\/p>\n
      \u30a4\u30f3\u30c8\u30fc\u30eb\u306b\u6210\u529f\u3057\u305f\u3089\u3001\u30c4\u30fc\u30eb\u30c1\u30a7\u30fc\u30f3\u304c\u3059\u3050\u306b\u4f7f\u3048\u308b\u3088\u3046\u306b\u3001\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n
      $<\/span> source<\/span> $HOME<\/span>\/.cargo\/env\r\n<\/code><\/pre>\n
      \u3053\u306e\u30b3\u30de\u30f3\u30c9\u306f\u6b21\u56de\u306emacOS\u30ed\u30b0\u30a4\u30f3\u304b\u3089\u306f\u4e0d\u8981\u3067\u3059\u3002<\/p>\n
      \u306a\u304a\u3001\u901a\u5e38\u306f\u3053\u306e\u3042\u3068\u30bf\u30fc\u30b2\u30c3\u30c8\u74b0\u5883\u5411\u3051\u306e\u30ea\u30f3\u30ab\u30fc\u306a\u3069\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u304c\u5fc5\u8981\u306b\u306a\u308b\u306e\u3067\u3059\u304c\u3001\u4eca\u56de\u306fNerves\u306e\u30c4\u30fc\u30eb\u30c1\u30a7\u30fc\u30f3\u306b\u540c\u68b1\u3055\u308c\u3066\u3044\u308b\u3082\u306e\u3092\u4f7f\u7528\u3059\u308b\u306e\u3067\u3001\u8ffd\u52a0\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306f\u4e0d\u8981\u3067\u3059\u3002<\/p>\n
      Nerves\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u4f5c\u6210<\/h3>\n
      Nerves\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3057\u3001\u4f9d\u5b58\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u307e\u3059\u3002MIX_TARGET\u306e\u3068\u3053\u308d\u306f\u81ea\u5206\u306e\u30dc\u30fc\u30c9\u306b\u5408\u3063\u305f\u3082\u306e\u3092\u6307\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n
      $<\/span> mix nerves.new hello_nerves\r\n$<\/span> cd <\/span>hello_nerves\r\n$<\/span> export <\/span>MIX_TARGET<\/span>=<\/span>bbb  # \u307e\u305f\u306f rpi3 \u306a\u3069<\/span>\r\n$<\/span> mix deps.get\r\n<\/code><\/pre>\n
      \u4f9d\u5b58\u30d1\u30c3\u30b1\u30fc\u30b8\u306bRustler\u3092\u8ffd\u52a0\u3059\u308b<\/h3>\n
      \u4f9d\u5b58\u30d1\u30c3\u30b1\u30fc\u30b8\u306b Rustler Elixir\u30d1\u30c3\u30b1\u30fc\u30b8 \u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n
         defp<\/span> deps<\/span> do<\/span>\r\n     [<\/span>\r\n       # https:\/\/hex.pm\/packages\/rustler<\/span>\r\n       {<\/span>:rustler<\/span>,<\/span> \"~> 0.22.2\"<\/span>},<\/span>\r\n<\/code><\/pre>\n
      Nerves\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u5185\u306bRust\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u4f5c\u6210<\/h3>\n
      mix rustler.new\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u3044\u3001Nerves\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u5185\u306bRust\u306b\u3088\u308bNIF\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002\u300cModule name\u300d\uff08\u30e2\u30b8\u30e5\u30fc\u30eb\u540d\uff09\u306fElixir\u306e\u30eb\u30fc\u30eb\u306b\u5408\u308f\u305b\u3066\u30ad\u30e3\u30e1\u30eb\u30b1\u30fc\u30b9\uff08\u982d\u6587\u5b57\u3092\u5927\u6587\u5b57\uff09\u306b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
      $<\/span> mix deps.get\r\n$<\/span> mix rustler.new\r\n   ...\r\n<\/span>==><\/span> hello_nerves\r\nThis is the name of the Elixir module the NIF module will be registered to.\r\n<\/span>Module name ><\/span> Hello\r\nThis is the name used for the generated Rust crate. The default is most likely fine.\r\n<\/span>Library name (hello) ><\/span> \r\n* creating native\/hello\/.cargo\/config\r\n* creating native\/hello\/README.md\r\n* creating native\/hello\/Cargo.toml\r\n* creating native\/hello\/src\/lib.rs\r\n* creating native\/hello\/.gitignore\r\nReady to go! See ... \/hello_nerves\/native\/hello\/README.md for further instructions.\r\n<\/span><\/code><\/pre>\n
      Rust\u30d1\u30c3\u30b1\u30fc\u30b8\u5185\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u7de8\u96c6\u3059\u308b<\/h3>\n
      \u3053\u306e\u6642\u70b9\u3067\u5927\u307e\u304b\u306a\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc\u69cb\u6210\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002mix rustler.new\u30b3\u30de\u30f3\u30c9\u306b\u3088\u3063\u3066native\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc\u304c\u4f5c\u3089\u308c\u3001\u305d\u306e\u4e2d\u306bRust\u306ehello\u30d1\u30c3\u30b1\u30fc\u30b8\u304c\u7f6e\u304b\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n
      .\r\n<\/span>\u251c\u2500\u2500 _build\r\n\u251c\u2500\u2500 config\r\n\u2502  \u251c\u2500\u2500 config.exs\r\n\u2502  \u251c\u2500\u2500 host.exs\r\n\u2502  \u2514\u2500\u2500 target.exs\r\n\u251c\u2500\u2500 deps\r\n\u251c\u2500\u2500 lib\r\n\u2502  \u251c\u2500\u2500 hello_nerves\r\n\u2502  \u2502  \u2514\u2500\u2500 application.ex\r\n\u2502  \u2514\u2500\u2500 hello_nerves.ex\r\n\u251c\u2500\u2500 mix.exs\r\n\u251c\u2500\u2500 mix.lock\r\n<\/span>\u251c\u2500\u2500 native            #<\/span> mix rustler.new\u306b\u3088\u308a\u4f5c\u6210\u3055\u308c\u305f\r\n\u2502  \u2514\u2500\u2500 hello\r\n\u2502     \u251c\u2500\u2500 .cargo\r\n\u2502     \u2502  \u2514\u2500\u2500 config\r\n\u2502     \u251c\u2500\u2500 Cargo.toml\r\n\u2502     \u251c\u2500\u2500 README.md\r\n\u2502     \u2514\u2500\u2500 src\r\n<\/span>\u2502        \u2514\u2500\u2500 lib.rs   #<\/span> Rust\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u3072\u306a\u5f62\r\n\u251c\u2500\u2500 README.md\r\n\u251c\u2500\u2500 rel\r\n\u251c\u2500\u2500 rootfs_overlay\r\n\u2514\u2500\u2500 test\r\n<\/span><\/code><\/pre>\n
      \u95a2\u9023\u3059\u308b\u30d5\u30a1\u30a4\u30eb\u3092\u78ba\u8a8d\u3057\u3066\u3001\u305d\u306e\u3044\u304f\u3064\u304b\u3092\u7de8\u96c6\u3057\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n
      src\/lib.rs<\/h4>\n
      native\/hello\/src\/lib.rs\u304cRust\u30d7\u30ed\u30b0\u30e9\u30e0\u672c\u4f53\u306b\u306a\u308a\u307e\u3059\u3002\u4eca\u56de\u306f\u7de8\u96c6\u305b\u305a\u306b\u3053\u306e\u307e\u307e\u4f7f\u3044\u307e\u3059\u3002\uff08\u30b3\u30e1\u30f3\u30c8\u306f\u7b46\u8005\u304c\u8ffd\u52a0\u3057\u307e\u3057\u305f\uff09<\/p>\n
      \/\/ \u3053\u306e\u95a2\u6570\u306fNIF\u3068\u3057\u3066\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u3055\u308c\u308b<\/span>\r\n#[rustler::nif]<\/span>\r\nfn<\/span> add<\/span>(<\/span>a<\/span>:<\/span> i64<\/span>,<\/span> b<\/span>:<\/span> i64<\/span>)<\/span> -><\/span> i64<\/span> {<\/span>\r\n    a<\/span> +<\/span> b<\/span>\r\n}<\/span>\r\n\r\n\/\/ Elixir\u5074\u306e\u30e2\u30b8\u30e5\u30fc\u30ebHello\u306b\u3001add\u95a2\u6570\u3092\u767b\u9332\u3059\u308b<\/span>\r\nrustler<\/span>::<\/span>init!<\/span>(<\/span>\"Elixir.Hello\"<\/span>,<\/span> [<\/span>add<\/span>]);<\/span>\r\n<\/code><\/pre>\n
      add\u3068\u3044\u3046\u95a2\u6570\u304c\u5b9a\u7fa9\u3055\u308c\u3066\u304a\u308a\u3001#[rustler::nif]\u5c5e\u6027\u306b\u3088\u3063\u3066\u3001\u3053\u306e\u95a2\u6570\u3092NIF\u3068\u3057\u3066\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u3059\u308b\u3053\u3068\u3092\u6307\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u307e\u305frustler::init!\u3092\u4f7f\u3063\u3066Elixir\u5074\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u3068\u306e\u7d50\u3073\u4ed8\u3051\u3066\u3044\u307e\u3059\u3002<\/p>\n
      Cargo.toml<\/h4>\n
      native\/hello\/Cargo.toml\u306e\u5185\u5bb9\u3082\u57fa\u672c\u7684\u306b\u7de8\u96c6\u305b\u305a\u306b\u4f7f\u3048\u307e\u3059\u3002crate-type\uff08\u30af\u30ec\u30fc\u30c8\u30bf\u30a4\u30d7\uff09\u304ccdylib\u306b\u306a\u3063\u3066\u307e\u3059\u304c\u3001\u3053\u308c\u306f\u52d5\u7684\u30ea\u30f3\u30af\u30e9\u30a4\u30d6\u30e9\u30ea\u30fc\u3092\u610f\u5473\u3057\u307e\u3059\u3002<\/p>\n
      [package]<\/span>\r\nname<\/span> =<\/span> \"hello\"<\/span>\r\nversion<\/span> =<\/span> \"0.1.0\"<\/span>\r\nauthors<\/span> =<\/span> []<\/span>\r\nedition<\/span> =<\/span> \"2018\"<\/span>   # \"2021\" \u306b\u5909\u3048\u3066\u3082\u3044\u3044\u304b\u3082\u3057\u308c\u306a\u3044<\/span>\r\n\r\n[lib]<\/span>\r\nname<\/span> =<\/span> \"hello\"<\/span>\r\npath<\/span> =<\/span> \"src\/lib.rs\"<\/span>\r\ncrate-type<\/span> =<\/span> [\"cdylib\"]<\/span>\r\n\r\n[dependencies]<\/span>\r\nrustler<\/span> =<\/span> \"0.22.2\"<\/span>\r\n<\/code><\/pre>\n
      .cargo\/config<\/h4>\n
      native\/hello\/.cargo\/config\u306f\u4fee\u6b63\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n
      \u4fee\u6b63\u524d<\/p>\n
      [target<\/span>.x86_64<\/span>-apple<\/span>-darwin<\/span>]\r\nrustflags<\/span> = [\r\n    \"-C\"<\/span>, \"link-arg=-undefined\"<\/span>,\r\n    \"-C\"<\/span>, \"link-arg=dynamic_lookup\"<\/span>,\r\n]\r\n<\/code><\/pre>\n
      \u4fee\u6b63\u5f8c<\/p>\n
      [target<\/span>.'cfg(target_os = \"macos\")'<\/span>]          # \u5909\u66f4\r\n<\/span>rustflags<\/span> = [\r\n    \"-C\"<\/span>, \"link-arg=-undefined\"<\/span>,\r\n    \"-C\"<\/span>, \"link-arg=dynamic_lookup\"<\/span>,\r\n]\r\n\r\n[target<\/span>.armv7<\/span>-unknown<\/span>-linux<\/span>-gnueabihf<\/span>]       # \u8ffd\u52a0\r\n<\/span>linker<\/span> = \"armv7-nerves-linux-gnueabihf-gcc\"<\/span>  # \u8ffd\u52a0\r\n<\/span><\/code><\/pre>\n
      \u6700\u521d\u306e\u300c\u5909\u66f4\u300d\u306e\u3068\u3053\u308d\u306fmacOS\u306e\u30db\u30b9\u30c8\u74b0\u5883\u3067Intel\u30d7\u30ed\u30bb\u30c3\u30b5\u642d\u8f09Mac\u3060\u3051\u3067\u306a\u304f\u3001Apple silicon\uff08M1\u306a\u3069\uff09\u642d\u8f09Mac\u3067\u3082\u6b63\u3057\u304f\u52d5\u304b\u3059\u305f\u3081\u306e\u3082\u306e\u3067\u3059\u3002<\/p>\n
      \u6700\u5f8c\u306e\u300c\u8ffd\u52a0\u300d\u306e\u3068\u3053\u308d\u306f\u30ea\u30f3\u30ab\u30fc\u3068\u3057\u3066Nerves\u306b\u542b\u307e\u308c\u3066\u3044\u308b\u30c4\u30fc\u30eb\u30c1\u30a7\u30fc\u30f3\u306eGCC\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\u3053\u3053\u306f\u30bf\u30fc\u30b2\u30c3\u30c8\u30dc\u30fc\u30c9\u306b\u3088\u3063\u3066\u66f8\u304f\u5185\u5bb9\u304c\u5909\u308f\u308a\u307e\u3059\u3002\uff08\u5f8c\u65e5\u3001\u8a73\u7d30\u3092\u8ffd\u8a18\u4e88\u5b9a\uff09<\/p>\n
      lib\/hello.ex<\/h4>\n
      \u4ee5\u4e0b\u306e\u5185\u5bb9\u3067lib\/hello.ex\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n
      defmodule<\/span> Hello<\/span> do<\/span>\r\n    use<\/span> Rustler<\/span>,<\/span>\r\n        otp_app:<\/span> :hello_nerves<\/span>,<\/span>\r\n        crate:<\/span> :hello<\/span>,<\/span>\r\n        # Rust\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u30b3\u30f3\u30d1\u30a4\u30eb\u3092\u30b9\u30ad\u30c3\u30d7\u3059\u308b<\/span>\r\n        skip_compilation?:<\/span> true<\/span>\r\n        # \u4ee5\u4e0b\u306f\u30b3\u30f3\u30d1\u30a4\u30eb\u3092\u30b9\u30ad\u30c3\u30d7\u3057\u306a\u3044\u3068\u304d\u306b\u5fc5\u8981\u306b\u306a\u308a\u305d\u3046\u306a\u8a2d\u5b9a<\/span>\r\n        # mode: :release,<\/span>\r\n        # target: \"armv7-unknown-linux-gnueabihf\"<\/span>\r\n\r\n    # \u3053\u306e\u95a2\u6570\u306fNIF\u3067\u4e0a\u66f8\u304d\u3055\u308c\u308b<\/span>\r\n    @spec<\/span> add<\/span>(<\/span>integer<\/span>(),<\/span> integer<\/span>())<\/span> ::<\/span> integer<\/span>()<\/span>\r\n    def<\/span> add<\/span>(<\/span>_a<\/span>,<\/span> _b<\/span>),<\/span> do<\/span>:<\/span> exit<\/span>(<\/span>:nif_not_loaded<\/span>)<\/span>\r\n\r\nend<\/span>\r\n<\/code><\/pre>\n
      use Rustler\u306e\u5404\u8a2d\u5b9a\u9805\u76ee\u306b\u3064\u3044\u3066\u3001\u8a73\u7d30\u306fRustler Elixir\u30d1\u30c3\u30b1\u30fc\u30b8\u306e \u30c9\u30ad\u30e5\u30e1\u30f3\u30c8 \u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n
      skip_compilation?: true \u306fmix compile\u6642\u306bRust\u5074\u306e\u30b3\u30f3\u30d1\u30a4\u30eb\u3092\u3057\u306a\u3044\u3088\u3046\u306b\u3059\u308b\u8a2d\u5b9a\u3067\u3059\u3002\u672c\u6765\u306fRustler\u304cmix compile\u6642\u306bRust\u30b3\u30fc\u30c9\u306e\u30b3\u30f3\u30d1\u30a4\u30eb\u3082\u3057\u3066\u304f\u308c\u308b\u306e\u3067\u3059\u304c\u3001\u5f8c\u51e6\u7406\u306b\u554f\u984c\u304c\u3042\u308b\u3088\u3046\u3067\u52d5\u7684\u30ea\u30f3\u30af\u30e9\u30a4\u30d6\u30e9\u30ea\u30fc\u306e\u30ea\u30cd\u30fc\u30e0\u3067\u5931\u6557\u3057\u3066\u3057\u307e\u3044\u307e\u3059\u3002\uff08Rustler v0.22.2\uff09<\/p>\n
      Rust\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u30d3\u30eb\u30c9<\/h3>\n
      Rust\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u30d3\u30eb\u30c9\u3057\u307e\u3059\u3002cargo build\u306b–target\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3067\u30af\u30ed\u30b9\u30b3\u30f3\u30d1\u30a4\u30eb\uff0b\u30af\u30ed\u30b9\u30ea\u30f3\u30af\u3092\u884c\u3044\u307e\u3059\u3002armv7_*_linux_gnueabihf\u3084armv7-*-linux-gnueabihf\u306e\u3068\u3053\u308d\u306f\u30bf\u30fc\u30b2\u30c3\u30c8\u30dc\u30fc\u30c9\u306b\u5408\u308f\u305b\u3066\u5909\u66f4\u3057\u3066\u304f\u3060\u3055\u3044\u3002\uff08\u5f8c\u65e5\u3001\u8a73\u7d30\u3092\u8ffd\u8a18\u4e88\u5b9a\uff09<\/p>\n
      #<\/span> Nerves\u306b\u3088\u3063\u3066\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u305f\u30af\u30ed\u30b9\u30ea\u30f3\u30af\u7528\u306e\u30c4\u30fc\u30eb\u30c1\u30a7\u30fc\u30f3\u306bPATH\u3092\u901a\u3059\r\n$<\/span> CROSS<\/span>=<\/span>$HOME<\/span>\/.nerves\/artifacts\/nerves_toolchain_armv7_nerves_linux_gnueabihf-darwin_arm-1.4.3\r\n$<\/span> export <\/span>PATH<\/span>=<\/span>$PATH<\/span>:$CROSS<\/span>\/bin:$CROSS<\/span>\/armv7-nerves-linux-gnueabihf\/bin\r\n\r\n#<\/span> Rust\u30d1\u30c3\u30b1\u30fc\u30b8\uff08NIF\uff09\u3092\u30d3\u30eb\u30c9\u3059\u308b\r\n$<\/span> cd <\/span>native\/hello\/\r\n$<\/span> cargo build --release<\/span> --target<\/span> armv7-unknown-linux-gnueabihf\r\n$<\/span> cd<\/span> ..\/..\r\n\r\n#<\/span> \u52d5\u7684\u30ea\u30f3\u30af\u30e9\u30a4\u30d6\u30e9\u30ea\u30fc\u3092\u6240\u5b9a\u306e\u5834\u6240\u3078\u30b3\u30d4\u30fc\u3059\u308b\r\n$<\/span> mkdir<\/span> -p<\/span> priv\/native\r\n$<\/span> cp<\/span> -p<\/span> native\/hello\/target\/armv7-unknown-linux-gnueabihf\/release\/libhello.so priv\/native\/\r\n<\/code><\/pre>\n
      Rustler\u306e\u30af\u30ed\u30b9\u30b3\u30f3\u30d1\u30a4\u30eb\u306e\u4e0d\u5177\u5408\u306e\u3088\u3046\u306a\u3082\u306e\u304c\u89e3\u6c7a\u3057\u305f\u3089\u3001\u3053\u306e\u3042\u305f\u308a\u306e\u624b\u9806\u306f\u4e0d\u8981\u306b\u306a\u308b\u306f\u305a\u3067\u3059\u3002<\/p>\n
      Nerves\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\u306e\u30d3\u30eb\u30c9<\/h3>\n
      Nerves\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\u3092\u30d3\u30eb\u30c9\u3057\u3001\u30dc\u30fc\u30c9\u306b\u53cd\u6620\u3057\u307e\u3059\u3002<\/p>\n
      $<\/span> export <\/span>MIX_TARGET<\/span>=<\/span>bbb\r\n$<\/span> mix firmware\r\n#<\/span> \u4ee5\u4e0b\u306ewarning\u306f\u7121\u8996\u3059\u308b\u3002\uff08macOS\u306eErlang VM\u304clibhello.so\u3092\u30ed\u30fc\u30c9\u3067\u304d\u306a\u3044\u305f\u3081\u306b\u30a8\u30e9\u30fc\u306b\u306a\u308b\uff09\r\nHH:MM:SS.SSS [warn]  The on_load function for module Elixir.Hello returned:\r\n{:error,\r\n {:load_failed,\r\n  'Failed to load NIF library: \\'dlopen(... \/hello_nerves\/_build\/bbb_dev\/lib\/hello_nerves\/priv\/native\/libhello.so, 2): no suitable image found.  Did find:\\n\\t ... \/hello_nerves\/_build\/bbb_dev\/lib\/hello_nerves\/priv\/native\/libhello.so: unknown file type, first eight bytes: 0x7F 0x45 0x4C 0x46 0x01 0x01 0x01 0x00\\n\\t ... \/hello_nerves\/_build\/bbb_dev\/lib\/hello_nerves\/priv\/native\/libhello.so: stat() failed with errno=35\\''}}\r\n\r\n<\/span>#<\/span> \u30dc\u30fc\u30c9\u306b\u53cd\u6620\u3059\u308b\r\n$<\/span> mix burn   # \u307e\u305f\u306f mix upload<\/span>\r\n<\/code><\/pre>\n
      Nerves\u4e0a\u3067Rust\u306e\u95a2\u6570\u3092\u547c\u3093\u3067\u307f\u308b<\/h3>\n
      ssh\u3067\u30dc\u30fc\u30c9\u306b\u63a5\u7d9a\u3057\u3001NIF\u304c\u547c\u3079\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n
      $<\/span> ping nerves.local\r\n$<\/span> ssh nerves.local\r\n\r\niex(1)><\/span> Hello.add(<\/span>100, 42)<\/span>\r\n142\r\n<\/span>iex(2)><\/span> \r\n<\/code><\/pre>\n
      \u3053\u306e\u3088\u3046\u306b\u7d50\u679c\u304c\u8868\u793a\u3055\u308c\u308c\u3070\u6210\u529f\u3067\u3059 \u3000\u304a\u3064\u304b\u308c\u3055\u307e\u3067\u3057\u305f\uff01<\/p>\n
      \u307e\u3068\u3081<\/h2>\n
      \u304b\u306a\u308a\u99c6\u3051\u8db3\u306e\u8aac\u660e\u306b\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3057\u305f\u3002\u8aac\u660e\u4e0d\u8db3\u306e\u3068\u3053\u308d\u304c\u591a\u3044\u3068\u601d\u3044\u307e\u3059\u304c\u3001\u4e00\u5fdc\u3001\u3053\u306e\u3068\u304a\u308a\u624b\u3092\u52d5\u304b\u305b\u3070\u3046\u307e\u304f\u3044\u304f\u306f\u305a\u3067\u3059\u3002\uff08\u6570\u65e5\u524d\u306b\u98a8\u90aa\u304c\u5c11\u3057\u60aa\u5316\u3057\u3066\u767a\u71b1\u3057\u3066\u3057\u307e\u3044\u3001\u304b\u306a\u308a\u306e\u6642\u9593\u3092\u5931\u3063\u3066\u3057\u307e\u3044\u307e\u3057\u305f\u3002\u3054\u3081\u3093\u306a\u3055\u3044\uff09<\/p>\n
      \u4e0d\u660e\u306a\u70b9\u306a\u3069\u3042\u308c\u3070\u3001\u3053\u306e\u8a18\u4e8b\u306e\u30b3\u30e1\u30f3\u30c8\u6b04\u3084\u3001Slack\u306eNervesJP\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u30fc\u306a\u3069\u3067\u7b46\u8005\uff08tatsuya6502\uff09\u306b\u8cea\u554f\u3057\u3066\u304f\u3060\u3055\u3044\u3002\uff08\u3053\u3061\u3089\u306e\u30da\u30fc\u30b8 \u306bSlack\u3078\u306e\u62db\u5f85\u30ea\u30f3\u30af\u304c\u3042\u308a\u307e\u3059\uff09<\/p>\n","protected":false},"excerpt":{"rendered":"
      \u306f\u3058\u3081\u306b Nerves\u306e\u7279\u5fb4\u306e\u3072\u3068\u3064\u306b\u3001\u4ed6\u306e\u8a00\u8a9e\u3067\u66f8\u304b\u308c\u305f\u30d7\u30ed\u30b0\u30e9\u30e0\u3068\u9023\u643a\u3055\u305b\u3089\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002 Nerv […]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-45348","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n- Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/45348-2\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:description\" content=\"\u306f\u3058\u3081\u306b Nerves\u306e\u7279\u5fb4\u306e\u3072\u3068\u3064\u306b\u3001\u4ed6\u306e\u8a00\u8a9e\u3067\u66f8\u304b\u308c\u305f\u30d7\u30ed\u30b0\u30e9\u30e0\u3068\u9023\u643a\u3055\u305b\u3089\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002 Nerv […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/45348-2\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2023-05-21T19:10:33+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-05-03T22:54:25+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d5e6537434c4406cf5147\/0-0.png\" \/>\n<meta name=\"author\" content=\"\u96c5, \u609f\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u96c5, \u609f\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/45348-2\/\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/45348-2\/\",\"name\":\"- Blog - Silicon Cloud\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\"},\"datePublished\":\"2023-05-21T19:10:33+00:00\",\"dateModified\":\"2024-05-03T22:54:25+00:00\",\"author\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/f044a4b7fa4ee2701702942002419ca6\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.silicloud.com\/zh\/blog\/45348-2\/\"]}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/\",\"name\":\"Blog - Silicon Cloud\",\"description\":\"\",\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/f044a4b7fa4ee2701702942002419ca6\",\"name\":\"\u96c5, \u609f\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/e71a913e914f1aad1efc391f92084294bac54bc782acd289638580134cf667a6?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/e71a913e914f1aad1efc391f92084294bac54bc782acd289638580134cf667a6?s=96&d=mm&r=g\",\"caption\":\"\u96c5, \u609f\"},\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/author\/yawu\/\"},{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/45348-2\/#local-main-organization-logo\",\"url\":\"\",\"contentUrl\":\"\",\"caption\":\"Blog - Silicon Cloud\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"- Blog - Silicon Cloud","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.silicloud.com\/zh\/blog\/45348-2\/","og_locale":"zh_CN","og_type":"article","og_description":"\u306f\u3058\u3081\u306b Nerves\u306e\u7279\u5fb4\u306e\u3072\u3068\u3064\u306b\u3001\u4ed6\u306e\u8a00\u8a9e\u3067\u66f8\u304b\u308c\u305f\u30d7\u30ed\u30b0\u30e9\u30e0\u3068\u9023\u643a\u3055\u305b\u3089\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002 Nerv […]","og_url":"https:\/\/www.silicloud.com\/zh\/blog\/45348-2\/","og_site_name":"Blog - Silicon Cloud","article_published_time":"2023-05-21T19:10:33+00:00","article_modified_time":"2024-05-03T22:54:25+00:00","og_image":[{"url":"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d5e6537434c4406cf5147\/0-0.png"}],"author":"\u96c5, \u609f","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"\u96c5, \u609f","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"3 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.silicloud.com\/zh\/blog\/45348-2\/","url":"https:\/\/www.silicloud.com\/zh\/blog\/45348-2\/","name":"- Blog - Silicon Cloud","isPartOf":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/#website"},"datePublished":"2023-05-21T19:10:33+00:00","dateModified":"2024-05-03T22:54:25+00:00","author":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/f044a4b7fa4ee2701702942002419ca6"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.silicloud.com\/zh\/blog\/45348-2\/"]}]},{"@type":"WebSite","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#website","url":"https:\/\/www.silicloud.com\/zh\/blog\/","name":"Blog - Silicon Cloud","description":"","inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/f044a4b7fa4ee2701702942002419ca6","name":"\u96c5, \u609f","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/e71a913e914f1aad1efc391f92084294bac54bc782acd289638580134cf667a6?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/e71a913e914f1aad1efc391f92084294bac54bc782acd289638580134cf667a6?s=96&d=mm&r=g","caption":"\u96c5, \u609f"},"url":"https:\/\/www.silicloud.com\/zh\/blog\/author\/yawu\/"},{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.silicloud.com\/zh\/blog\/45348-2\/#local-main-organization-logo","url":"","contentUrl":"","caption":"Blog - Silicon Cloud"}]}},"_links":{"self":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/45348","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/comments?post=45348"}],"version-history":[{"count":2,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/45348\/revisions"}],"predecessor-version":[{"id":96797,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/45348\/revisions\/96797"}],"wp:attachment":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/media?parent=45348"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/categories?post=45348"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/tags?post=45348"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}