{"id":6222,"date":"2023-03-08T13:47:18","date_gmt":"2023-03-08T04:47:18","guid":{"rendered":"https:\/\/solid.kmckk.com\/SOLID\/?p=6222"},"modified":"2023-03-08T13:47:18","modified_gmt":"2023-03-08T04:47:18","slug":"solid%e4%bd%bf%e3%81%a3%e3%81%a6%e3%81%bf%e3%82%88%e3%81%86%e3%82%b7%e3%83%aa%e3%83%bc%e3%82%ba3-%e3%80%8c%e3%82%b3%e3%83%bc%e3%83%89%e3%82%ab%e3%83%90%e3%83%ac%e3%83%83%e3%82%b8%e3%80%8d-2-5-2-2-2-11","status":"publish","type":"post","link":"https:\/\/solid.kmckk.com\/SOLID\/archives\/6222","title":{"rendered":"SOLID for Raspberry Pi 4 (\u9023\u8f0918)"},"content":{"rendered":"
\n
\n\t

(2023\/3\/8)<\/p>\n<\/div>\n<\/div><\/div>

Rust\u306e\u30b9\u30ec\u30c3\u30c9\u9593\u3067\u5909\u6570\u3092\u5171\u6709\u3059\u308b \u30fc\u3000\u6709\u8b58\u8005\u30ec\u30d3\u30e5\u30fc<\/h3>\n
\n\t

\u524d\u56de\u66f8\u3044\u305f\u30b3\u30fc\u30c9\u306b\u3064\u3044\u3066\u3001\u30ec\u30d3\u30e5\u30fc\u3092\u3057\u3066\u9802\u304d\u307e\u3057\u305f\u3002
\n\u305d\u306e\u30d5\u30a3\u30fc\u30c9\u30d0\u30c3\u30af\u5185\u5bb9\u306b\u3064\u3044\u3066\u8a18\u8f09\u3057\u307e\u3059\u3002<\/p>\n

\u307e\u305f\u3001\u30d5\u30a3\u30fc\u30c9\u30d0\u30c3\u30b0\u5185\u5bb9\u306b\u57fa\u3065\u3044\u3066\u3001\u4e00\u3064\u5b9f\u9a13\u3092\u3057\u3066\u307f\u307e\u3057\u305f\u306e\u3067\u3001\u305d\u3061\u3089\u306b\u3064\u3044\u3066\u3082\u8a18\u8f09\u3057\u307e\u3059\u3002<\/p>\n

 <\/p>\n<\/div>\n<\/div><\/div>

\uff11\uff0e\u30b9\u30ec\u30c3\u30c9\u306b\u6e21\u3059\u30c7\u30fc\u30bf\u3092\u307e\u3068\u3081\u308b<\/h3>\n
\n\t

Mutex\u3068\u3057\u3066\u5b9a\u7fa9\u3057\u3001\u5404\u30b9\u30ec\u30c3\u30c9\u306b\u6e21\u3059\u30c7\u30fc\u30bf\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u4e8c\u3064\u3042\u308a\u307e\u3059\u3002<\/p>\n

\n
    let databuf = Arc::new(Mutex::new([0u8; 4096]));\n    let pos = Arc::new(Mutex::new(0));\n<\/code><\/pre>\n<\/div>\n
\u3053\u3053\u306f\u3001\u4e00\u3064\u306b\u307e\u3068\u3081\u308b\u3079\u304d\u3067\u3059\u3002<\/p>\n
------
\n\u500b\u5225\u306b\u6e21\u3059\u3068\u3001\u6e21\u3059\u7d4c\u8def\u3067\u6bce\u56de databuf \u3068 pos \u3068\u3044\u3046\u540d\u524d\u3092\u8a00\u53ca\u3059\u308b\u3053\u3068\u306b\u306a\u308b\u3002
\n\u6e21\u3059\u30c7\u30fc\u30bf\u306e\u7d44\u307f\u5408\u308f\u305b\u3092\u5f8c\u304b\u3089\u5909\u3048\u3088\u3046\u3068\u3059\u308b\u3068\u3001\u591a\u304f\u306e\u30b3\u30fc\u30c9\u7b87\u6240\u306e\u5909\u66f4\u304c\u5fc5\u8981\u3002
\n\u6e21\u3059\u7d4c\u8def\u3067\u91cd\u8981\u306a\u3053\u3068\u306f\u300c\u4f55\u304b\u6e21\u3059\u3082\u306e\u304c\u3042\u308b\u300d\u3053\u3068\u3060\u3051\u3067\u3001\u300c\u5177\u4f53\u7684\u306b\u6e21\u3059\u3082\u306e\u300d\u306f\u91cd\u8981\u3067\u306f\u306a\u3044\u306f\u305a\u3002
\n------<\/p>\n
\u69cb\u9020\u4f53\u306b\u307e\u3068\u3081\u307e\u3057\u3087\u3046\u3002<\/p>\n
\n
    struct AccelSampleBuffer {\n        bytes: [u8; 4096],\n        num_bytes: usize,\n    }\n    let state = Arc::new(Mutex::new(AccelSampleBuffer {bytes:[0u8; 4096], num_bytes:0}));\n<\/code><\/pre>\n<\/div>\n
state\u69cb\u9020\u4f53\u3092Mutex\u5316\u3057\u307e\u3057\u305f\u3002<\/p>\n
\u6b21\u306b\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u30af\u30ed\u30fc\u30f3\u3092\u4f5c\u308a\u3001\u5404\u30b9\u30ec\u30c3\u30c9\u306b\u6e21\u3057\u3066\u51e6\u7406\u3092\u3057\u307e\u3059\u3002<\/p>\n
\u30fb\u52a0\u901f\u5ea6\u30bb\u30f3\u30b5\u5024\u3092\u914d\u5217\u306b\u305f\u3081\u3066\u3044\u304f\u30b9\u30ec\u30c3\u30c9\u7528<\/p>\n
\n
let state_in = Arc::clone(&state);<\/code><\/pre>\n<\/div>\n
\u30fbTCP\/IP\u9001\u4fe1\u30b9\u30ec\u30c3\u30c9\u7528<\/p>\n
\n
let state_in = Arc::clone(&state);<\/code><\/pre>\n<\/div>\n
\u3053\u308c\u3089\u306b\u4f34\u3046\u5909\u66f4\u7b87\u6240\u3092\u7d30\u3005\u3068\u4fee\u6b63\u3057\u3001\u30d3\u30eb\u30c9\u304c\u901a\u308a\u3001\u7121\u4e8b\u52d5\u4f5c\u3057\u307e\u3057\u305f\u3002<\/p>\n
\u672c\u4ef6\u306f\u5225\u306bRust\u306b\u9650\u3063\u305f\u8a71\u3067\u306f\u306a\u304f\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u4f5c\u6210\u3059\u308b\u4e0a\u3067\u306e\u4e00\u822c\u7684\u306a\u6ce8\u610f\u4e8b\u9805\u3067\u3059\u306d\u3002<\/p>\n
 <\/p>\n<\/div>\n<\/div><\/div><\/div><\/div>
\uff12\uff0elock()\u5f8c\u306bunwrap()\u3059\u308b\u3053\u3068\u304c\u591a\u3044\u7406\u7531<\/h3>\n
\n\t
\u4ee5\u4e0b\u306b\u8a18\u8ff0\u304c\u3042\u308a\u307e\u3059\u3002
\nMutex in std::sync - Rust (rust-lang.org)<\/a><\/p>\n
\u6709\u8b58\u8005\u306e\u65b9\u306b\u610f\u8a33\u3057\u3066\u9802\u304d\u307e\u3057\u305f\u3002<\/p>\n
--------------------------
\n\u3042\u308b\u30b9\u30ec\u30c3\u30c9\u304cMutex\u3092\u6301\u3063\u305f\u307e\u307e\u30d1\u30cb\u30c3\u30af\u3092\u8d77\u3053\u3057\u305f\u5834\u5408\u3001\u5510\u7a81\u306b\u30ed\u30c3\u30af\u304c\u89e3\u9664\u3055\u308c\u308b\u305f\u3081\u3001\u542b\u307e\u308c\u308b\u30c7\u30fc\u30bf\u306e\u4e00\u8cab\u6027\u304c\u5931\u308f\u308c\u3066\u3057\u307e\u3046\u304a\u305d\u308c\u304c\u3042\u308b\u3002\u3059\u306a\u308f\u3061\u30d1\u30cb\u30c3\u30af\u306b\u3088\u3063\u3066\u30c7\u30fc\u30bf\u304c\u300c\u6c5a\u67d3\u300d\u3055\u308c\u3066\u3057\u307e\u3046\u3002\u6c5a\u67d3\u3055\u308c\u305f\u30c7\u30fc\u30bf\u306b\u4ed6\u306e\u30b9\u30ec\u30c3\u30c9\u304c\u30a2\u30af\u30bb\u30b9\u3059\u308b\u306e\u3092\u9632\u3050\u305f\u3081\u306b\u3001\u3053\u3046\u3057\u3066\u89e3\u653e\u3055\u308c\u305fMutex\u306f \"poisoned\" \u72b6\u614b\u306b\u306a\u308a\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u30a2\u30af\u30bb\u30b9\u304c\u7981\u6b62\u3055\u308c\u308b\u3002<\/p>\n
lock\u3084try_lock\u30e1\u30be\u30c3\u30c9\u306eResult\u578b\u306e\u623b\u308a\u5024\u3067\u3001\u305d\u3046\u306a\u3063\u3066\u3044\u308b\u304b\u3092\u5224\u5225\u3067\u304d\u308b\u3002<\/p>\n
\u901a\u5e38\u306eMutex\u306e\u4f7f\u3044\u65b9\u3067\u306f\u3001\u623b\u308a\u5024\u3092\u5358\u7d14\u306bunwrap()\u3059\u308c\u3070\u3088\u3044\u3002\u3053\u3046\u3059\u308b\u3053\u3068\u3067\u30d1\u30cb\u30c3\u30af\u3092\u81ea\u5206\u306e\u30b9\u30ec\u30c3\u30c9\u306b\u4f1d\u642c\u3057\u3001\u6c5a\u67d3\u3055\u308c\u305f\u30c7\u30fc\u30bf\u306b\u89e6\u308c\u308b\u306e\u3092\u907f\u3051\u3089\u308c\u308b\u3002<\/p>\n
\u3057\u304b\u3057\u3001\u6c5a\u67d3\u3055\u308c\u305fMutex\u306f\u3082\u3046\u30a2\u30af\u30bb\u30b9\u3067\u304d\u306a\u304f\u306a\u308b\u3001\u3068\u3044\u3046\u8a33\u3067\u306f\u306a\u3044\u3002<\/p>\n
\u6c5a\u67d3\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u306e\u623b\u308a\u5024\u306fPoisonError\u578b\u3060\u304c\u3001\u3053\u306e\u578b\u306einto_inner\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3059\u3053\u3068\u306b\u3088\u308a\u3001\u30ed\u30c3\u30af\u304c\u6210\u529f\u3057\u305f\u3068\u304d\u306b\u8fd4\u3055\u308c\u308b\u306f\u305a\u306e\u30ac\u30fc\u30c9\u5024\u3092\u53d6\u5f97\u3057\u3001\u30c7\u30fc\u30bf\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3002
\n--------------------------<\/p>\n
\u8981\u306f\u3001<\/p>\n
\u30ed\u30c3\u30af\u3055\u308c\u305f\u307e\u307e\u5982\u4f55\u3068\u3082\u3057\u304c\u305f\u3044\u72b6\u614b\u306b\u306a\u3063\u305fMutex\u304c\u3042\u3063\u3066\u3082\u3001\u30ed\u30c3\u30af\u89e3\u9664\u5f85\u3061\u3067\u6c38\u9060\u306b\u4ed6\u30b9\u30ec\u30c3\u30c9\u304c\u5f85\u305f\u3055\u308c\u305a\u306b\u6e08\u3080\u65b9\u6cd5\u3002<\/p>\n
\u3055\u3089\u306b\u3001Mutex\u3092\u6301\u3063\u305f\u307e\u307e\u30d1\u30cb\u30c3\u30af\u3092\u8d77\u3053\u3057\u305f\u5834\u5408\u306b\u305d\u306eMutex\u3092\u81ea\u52d5\u7684\u306b\u958b\u653e\u3059\u308b\u3001\u3068\u3044\u3046\u30a2\u30d7\u30ed\u30fc\u30c1\u3082\u8003\u3048\u3089\u308c\u308b\u304c\u3001\u305d\u306e\u5834\u5408\u306b\u3082\u300c\u305d\u308c\u306f\u6c5a\u67d3\u3057\u3066\u3044\u308b\u300d\u3068\u3044\u3046\u30de\u30fc\u30af\u3092\u4ed8\u3051\u308b\u3053\u3068\u3067\u8b66\u9418\u3092\u9cf4\u3089\u3059\u3002<\/p>\n
\u3068\u3044\u3046\u4e8b\u3067\u3059\u304b\u306d\u3002<\/p>\n
Rust\u3067\u306f\u3001Mutex\u3082\u3088\u308a\u5b89\u5168\u306b\u4f7f\u3048\u308b\u3088\u3046\u3001\u8003\u3048\u3089\u308c\u3066\u3044\u308b\u3068\u3044\u3046\u4e8b\u3067\u3059\u306d\u3002<\/p>\n<\/div>\n<\/div><\/div>
\uff13\uff0e\u5225\u306e\u5171\u6709\u65b9\u6cd5\u3092\u691c\u8a0e\u3059\u308b<\/h3>\n
\n\t
\u5225\u306e\u5171\u6709\u65b9\u6cd5\u304c\u3042\u308b\u3068\u6559\u3048\u3066\u9802\u304d\u307e\u3057\u305f\u3002<\/p>\n
---
\nArc<Mutex<_>> \u306f\u6700\u3082\u6c4e\u7528\u7684\u306a\u65b9\u6cd5\u3067\u3059\u304c\u3001\u30d2\u30fc\u30d7\u5272\u5f53\u3066\u30fb\u53c2\u7167\u30ab\u30a6\u30f3\u30c8\u64cd\u4f5c\u30fb\u30df\u30e5\u30fc\u30c6\u30c3\u30af\u30b9\u64cd\u4f5c\u304c\u4f34\u3046\u3002\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u56fa\u6709\u306e\u8981\u4ef6\u306b\u57fa\u3065\u3044\u3066\u3001\u30c8\u30ec\u30fc\u30c9\u30aa\u30d5\u306b\u6ce8\u610f\u3057\u306a\u304c\u3089\u3001\u3088\u308a\u8efd\u91cf\u306a\u30a2\u30d7\u30ed\u30fc\u30c1\u3092\u53d6\u308b\u3053\u3068\u3082\u8003\u3048\u3089\u308c\u308b\u3002
\n---<\/p>\n
\u5168\u90e8\u8a66\u3057\u3066\u3044\u308b\u3068\u3068\u3066\u3082\u6642\u9593\u304c\u304b\u304b\u308a\u305d\u3046\u306a\u306e\u3067\u3001\u4eca\u56de\u306f\u3054\u7d39\u4ecb\u306e\u307f\u3067\u3054\u5bb9\u8d66\u304f\u3060\u3055\u3044\u3002<\/p>\n
 <\/p>\n
3.1\u00a0\u30b0\u30ed\u30fc\u30d0\u30eb\u5909\u6570 (static) \u306b Mutex<_> \u3092\u7f6e\u304f<\/h3>\n
Mutex<>\u306f\u3001\u305d\u308c\u81ea\u4f53\u3092\u5404\u30b9\u30ec\u30c3\u30c9\u306b\u53c2\u7167\u3057\u3066\u3082\u3089\u3046\u305f\u3081\u3001\u30af\u30ed\u30fc\u30f3\u304c\u4e0d\u8981\u3067\u3059\u3002
\n\u3053\u306e\u305f\u3081\u3001\u5b9f\u884c\u901f\u5ea6\u3082\u901f\u304f\u4f7f\u7528\u30e1\u30e2\u30ea\u3082\u5c11\u306a\u304f\u3066\u6e08\u307f\u307e\u3059\u3002<\/p>\n
\u4eca\u56de\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u9069\u7528\u3059\u308b\u5834\u5408\u3001<\/p>\n
\n
static STATE: Mutex<AccelMeasureState> = Mutex::new(AccelMeasureState { ... });<\/code><\/pre>\n<\/div>\n
\u306e\u3088\u3046\u306b\u5b9a\u7fa9\u3057\u3066\u4f7f\u3046\u3068\u3088\u3044\u3001\u3068\u52a9\u8a00\u9802\u304d\u307e\u3057\u305f\u3002<\/p>\n
 <\/p>\n
3.2\u00a0\u30a2\u30c8\u30df\u30c3\u30af\u5909\u6570 (std::sync::atomic::Atomic*) \u306b\u72b6\u614b\u3092\u683c\u7d0d\u3059\u308b<\/h3>\n
\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u3001\u69cb\u9020\u4f53\u306e\u5404\u8981\u7d20\u3092\u30a2\u30c8\u30df\u30c3\u30af\u5316\u3059\u308b\u65b9\u6cd5\u3067\u3059\u3002<\/p>\n
\n
struct AccelSampleBuffer {\n\u3000samples: [[AtomicU32; 3]; 4096],\n\u3000num_samples: AtomicUsize,\n}\n\nlet state = Arc::new(AccelSampleBuffer { ... });\nlet i = 0;\nstate.samples[i][0].store(axis_array[0].to_bits(), Ordering::Relaxed);\nlet x_axis = f32::from_bits(state.samples[i][0].load(Ordering::Relaxed));<\/code><\/pre>\n<\/div>\n
 <\/p>\n
3.3 \u30c1\u30e3\u30f3\u30cd\u30eb\u3092\u4f7f\u3046<\/h3>\n
\u30c1\u30e3\u30f3\u30cd\u30eb\u3092\u4f7f\u3063\u3066\u30d0\u30c3\u30d5\u30a1\u5236\u5fa1\u3092\u3059\u308b\u624b\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n
 <\/p>\n
\uff11\uff0eSender\u3068Reciever\u3092\u5099\u3048\u305fMPSC(multiple producer, single consumer)\u30c1\u30e3\u30cd\u30eb<\/p>\n
std::sync::mpsc<\/a><\/p>\n
2\uff0eSPSC (single producer, single consumer)\u30c1\u30e3\u30cd\u30eb\u3067\u3042\u308b\u30ea\u30f3\u30b0\u30d0\u30c3\u30d5\u30a1\u3092\u4f7f\u3046<\/p>\n
rtrb<\/a><\/p>\n
\u4eca\u56de\u306e\u30b5\u30f3\u30d7\u30eb\u306e\u5834\u5408\u3001\u6700\u521d\u304b\u3089\u30ea\u30f3\u30b0\u30d0\u30c3\u30d5\u30a1\u3092\u4f7f\u3046\u306e\u304c\u4e00\u756a\u6b63\u89e3\u3060\u3063\u305f\u3088\u3046\u306a\u3002\u3002\u3002<\/p>\n
 <\/p>\n<\/div>\n<\/div><\/div>
\uff14\uff0e\u3010\u5b9f\u9a13\u3011\u30a2\u30b5\u30a4\u30f3\u3057\u305f\u30d0\u30c3\u30d5\u30a1\u3092\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u3057\u305f\u5834\u5408\u306e\u52d5\u4f5c<\/h3>\n
\n\t
\u4eca\u56de\u3001\u52a0\u901f\u5ea6\u30bb\u30f3\u30b5\u304b\u3089\u306e\u5024\u3092\u4fdd\u6301\u3057\u3066\u304a\u304f\u30d0\u30c3\u30d5\u30a1\u30924096\u30d0\u30a4\u30c8\u5206\u30a2\u30b5\u30a4\u30f3\u3055\u3044\u3066\u3044\u307e\u3059\u3002
\n\u3053\u308c\u304c\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u3057\u305f\u5834\u5408\u3001\u3069\u3046\u52d5\u304f\u306e\u304b\u898b\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n
Rust\u306f\u30e1\u30e2\u30ea\u5b89\u5168\u3067\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u307e\u3067\u4fdd\u8a3c\u3057\u3066\u3044\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u305d\u308c\u306f\u30d7\u30ed\u30b0\u30e9\u30de\u304c\u8003\u3048\u308b\u4e8b\u3067\u3059\u3002<\/p>\n
\u305d\u306e\u30d7\u30ed\u30b0\u30e9\u30de\u304c\u5931\u6557\u3057\u305f\u5834\u5408\u3001\u3069\u306e\u3088\u3046\u306b\u52d5\u304f\u306e\u304b\uff1f<\/p>\n
4.1 \u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u3055\u305b\u3066\u307f\u308b<\/h3>\n
\u52a0\u901f\u5ea6\u30bb\u30f3\u30b5\u304b\u3089\u306e\u5024\u3092\u30d0\u30c3\u30d5\u30a1\u306b\u683c\u7d0d\u3057\u3066\u3044\u308b\u30b3\u30fc\u30c9\u306f\u4ee5\u4e0b\u3067\u3059\u3002<\/p>\n
\n
let mut state_in_1 = state_in.lock().unwrap();\n\nif state_in_1.num_bytes>(4095-12){\n    state_in_1.num_bytes = 0;\n}\n\nlet count = state_in_1.num_bytes;\nfor n in 0..4 {\n    state_in_1.bytes[count + n] = retbytes_x[n];\n    state_in_1.bytes[count + n + 4] = retbytes_y[n];\n    state_in_1.bytes[count + n + 8] = retbytes_z[n];\n    }\nstate_in_1.num_bytes+=12;<\/code><\/pre>\n<\/div>\n
\u3053\u306e\u4e2d\u306e\u4ee5\u4e0b\u306e\u90e8\u5206\u3002<\/p>\n
\n
if state_in_1.num_bytes>(4095-12){\n       state_in_1.num_bytes = 0;\n}<\/code><\/pre>\n<\/div>\n
\u3053\u306e\u90e8\u5206\u304c\u3001\u30d0\u30c3\u30d5\u30a1\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u3092\u9632\u3044\u3067\u3044\u308b\u90e8\u5206\u3067\u3059\u3002
\n\u3053\u308c\u3092\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u5909\u66f4\u3057\u3001\u308f\u3056\u3068\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u3055\u305b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n
\n
if state_in_1.num_bytes>(4095){\n       state_in_1.num_bytes = 0;\n}<\/code><\/pre>\n<\/div>\n
 <\/p>\n
\u5b9f\u884c\u3057\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n
\"\"<\/a><\/p>\n
\u8d85\u3048\u305f\u304b\u3089\u30d1\u30cb\u30c3\u30af\u306b\u306a\u3063\u305f\u3088\u3001\u3068\u8868\u793a\u3055\u308c\u307e\u3057\u305f\u3002
\nCPU\u306e\u4f8b\u5916\u306b\u98db\u3093\u3067\u66b4\u8d70\u3057\u305f\u308a\u306f\u3057\u307e\u305b\u3093\u3067\u3057\u305f\u3002<\/p>\n
\u3061\u306a\u307f\u306b\u3001SOLID-IDE\u306e\u64cd\u4f5c\u3067\u3001\u30d1\u30cb\u30c3\u30af\u6642\u306b\u30d6\u30ec\u30fc\u30af\u3055\u305b\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002
\n\u30b7\u30f3\u30dc\u30eb\u540d rust_panic \u3092\u6307\u5b9a\u3057\u3066\u30d6\u30ec\u30fc\u30af\u30dd\u30a4\u30f3\u30c8\u3092\u8a2d\u5b9a\u3059\u308c\u3070OK\u3067\u3059\u3002<\/p>\n
\u3059\u306a\u308f\u3061\u3001\u914d\u5217\u306e\u30d0\u30c3\u30d5\u30a1\u30aa\u30fc\u30d0\u30fc\u30e9\u30f3\u306a\u3069\u306e\u5b9f\u884c\u6642\u30a8\u30e9\u30fc\u306b\u3064\u3044\u3066\u3001\u30c7\u30d0\u30c3\u30b0\u6642\u306b\u306f rust_panic()\u306b\u30d6\u30ec\u30fc\u30af\u30dd\u30a4\u30f3\u30c8\u8a2d\u5b9a\u3057\u3066\u304a\u3051\u3070\u3001\u305d\u308c\u304c\u767a\u751f\u3057\u305f\u3068\u304d\u306b\u6355\u307e\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3001\u3068\u3044\u3046\u4e8b\u3067\u3059\u306d\u3002<\/p>\n
\u3084\u3089\u304b\u3057\u305f\uff01\u3092\u30c7\u30d0\u30c3\u30b0\u3059\u308b\u306e\u304c\u5bb9\u6613\u306b\u306a\u308a\u305d\u3046\u3067\u3059\u3002<\/p>\n
\u3055\u3089\u306b\u3001\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u4e0a\u3067\u3000std::panic::catch_unwind<\/a> \u95a2\u6570\u3092\u4f7f\u3063\u3066\u3001\u30d1\u30cb\u30c3\u30af\u306e\u30ad\u30e3\u30c3\u30c1\u30b3\u30fc\u30c9\u3092\u66f8\u304f\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3067\u3059\u306e\u3067\u30d1\u30cb\u30c3\u30af\u3092\u6355\u6349\u3057\u5fa9\u5e30\u3092\u8a66\u307f\u308b\u7b49\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n
\u52a0\u3048\u3066\u3001\u30d1\u30cb\u30c3\u30af\u3092\u5fa9\u5e30\u3055\u305b\u308b\u3088\u308a\u3001\u30b7\u30b9\u30c6\u30e0\u3092\u30ea\u30bb\u30c3\u30c8\u3057\u3066\u3057\u307e\u3044\u305f\u3044\u5834\u5408\u3082\u3042\u308a\u307e\u3059\u3002
\n\u3053\u306e\u5834\u5408\u3001\u30d1\u30cb\u30c3\u30af\u306e\u6355\u6349\u3092\u7121\u52b9\u5316\u3057\u3001\u5e38\u306b\u30a2\u30dc\u30fc\u30c8\u3059\u308b\u3088\u3046\u306b\u3059\u308b\u30b3\u30f3\u30d1\u30a4\u30eb\u30aa\u30d7\u30b7\u30e7\u30f3<\/a><\/span>\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n
 <\/p>\n
4.2\u00a0\u4ed6\u30b9\u30ec\u30c3\u30c9\u304b\u3089\u30a2\u30af\u30bb\u30b9\u3057\u3066\u307f\u308b<\/h3>\n
\u3053\u306e\u30d0\u30c3\u30d5\u30a1\u306fArc<Mutex<_>>\u578b\u3067\u5404\u30b9\u30ec\u30c3\u30c9\u306b\u6e21\u3055\u308c\u3066\u3044\u307e\u3059\u3002
\n\u305b\u3063\u304b\u304f\u306a\u306e\u3067\u3001\u3053\u306e\u72b6\u614b\u306e\u307e\u307eTCP\/IP\u9001\u4fe1\u30b9\u30ec\u30c3\u30c9\u304b\u3089\u30a2\u30af\u30bb\u30b9\u3059\u308b\u5b9f\u9a13\u3092\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n
PC\u30a2\u30d7\u30ea\u304b\u3089TCP\/IP\u9001\u4fe1\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n
\"\"<\/a><\/p>\n
unwrap()\u3067PoisonError\u304c\u5e30\u3063\u3066\u304d\u307e\u3057\u305f\uff01<\/p>\n
\u305d\u3057\u3066\u7279\u306b\u30c7\u30c3\u30c9\u30ed\u30c3\u30af\u306f\u3057\u3066\u3044\u306a\u3044\u69d8\u5b50\u3067\u3059\u3002<\/p>\n
\u3082\u3046\u4e00\u5ea6PC\u30a2\u30d7\u30ea\u304b\u3089TCP\/IP\u9001\u4fe1\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n
\"\"<\/a><\/p>\n
\u540c\u3058\u30a8\u30e9\u30fc\u304c\u3082\u3046\u4e00\u3064\u5897\u3048\u307e\u3057\u305f\u3002\u3068\u3044\u3046\u4e8b\u306f\u30c7\u30c3\u30c9\u30ed\u30c3\u30af\u306f\u3057\u3066\u3044\u306a\u3044\u3068\u3044\u3046\u4e8b\u3067\u3059\u3002<\/p>\n
 <\/p>\n
\u4eca\u56de\u306f\u3053\u3053\u307e\u3067\u3002<\/p>\n
\u4eca\u56de\u307e\u3067\u4f5c\u6210\u3057\u305f\u30d7\u30ed\u30b0\u30e9\u30e0\u3092zip\u5316\u3057\u307e\u3057\u305f\u3002
\n\u4ee5\u4e0b\u304b\u3089\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3067\u304d\u307e\u3059\u3002<\/p>\n
spi_adxl345\u30af\u30ec\u30fc\u30c8<\/a><\/p>\n
SOLID-IDE Rust\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/a><\/p>\n
PC\u5074C\uff03\u30d7\u30ed\u30b0\u30e9\u30e0<\/a>(Visual Studio 2019\u7cfb)
\n\uff08bin\\Release\u30d5\u30a9\u30eb\u30c0\u5185\u306bexecutable\u30d5\u30a1\u30a4\u30eb\u304c\u3042\u308a\u307e\u3059\uff09<\/p>\n
Raspberry pi4\u304c\u3042\u308c\u3070\u8a66\u3057\u3066\u307f\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002
\n\u4f55\u304b\u306e\u304a\u5f79\u306b\u7acb\u3066\u3070\u5e78\u3044\u3067\u3059\u3002<\/p>\n
\uff03PC\u5074\u30d7\u30ed\u30b0\u30e9\u30e0\u306f\u4f55\u306e\u30a8\u30e9\u30fc\u30c1\u30a7\u30c3\u30af\u3082\u3057\u3066\u3044\u306a\u3044\u306e\u3067\u3001\u30c7\u30fc\u30bf\u304c\u8fd4\u4fe1\u3055\u308c\u3066\u3053\u306a\u3044\u5834\u5408\u7b49\u4f8b\u5916\u304c\u767a\u751f\u3057\u307e\u3059\u3002<\/p>\n
\u6b21\u56de\u306f\u3001SPI\u5236\u5fa1\u306b\u623b\u308a\u3001\u5272\u308a\u8fbc\u307f\u51e6\u7406\u306e\u5b9f\u88c5\u306b\u3064\u3044\u3066\u8003\u3048\u3066\u3044\u304d\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n
 <\/p>\n<\/div>\n<\/div><\/div><\/div><\/div>
<\/div><\/div>
<\/div><\/div>
<\/div><\/div>
<\/div><\/div>
<\/div><\/div>
<\/div><\/div>
<\/div><\/div>
<\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"
(2023\/3\/8) \u524d\u56de\u66f8\u3044\u305f\u30b3\u30fc\u30c9\u306b\u3064\u3044\u3066\u3001\u30ec\u30d3\u30e5\u30fc\u3092\u3057\u3066\u9802\u304d\u307e\u3057\u305f\u3002 \u305d\u306e\u30d5\u30a3\u30fc\u30c9\u30d0\u30c3\u30af\u5185\u5bb9\u306b\u3064\u3044\u3066\u8a18\u8f09\u3057\u307e\u3059\u3002 \u307e\u305f\u3001\u30d5\u30a3\u30fc\u30c9\u30d0\u30c3\u30b0\u5185\u5bb9\u306b\u57fa\u3065\u3044\u3066\u3001\u4e00\u3064\u5b9f\u9a13\u3092\u3057\u3066\u307f\u307e\u3057\u305f\u306e\u3067\u3001\u305d\u3061\u3089\u306b\u3064\u3044\u3066\u3082\u8a18\u8f09\u3057\u307e\u3059\u3002 &nb […]<\/p>\n","protected":false},"author":15,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-6222","post","type-post","status-publish","format-standard","hentry","category-1"],"_links":{"self":[{"href":"https:\/\/solid.kmckk.com\/SOLID\/wp-json\/wp\/v2\/posts\/6222","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/solid.kmckk.com\/SOLID\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/solid.kmckk.com\/SOLID\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/solid.kmckk.com\/SOLID\/wp-json\/wp\/v2\/users\/15"}],"replies":[{"embeddable":true,"href":"https:\/\/solid.kmckk.com\/SOLID\/wp-json\/wp\/v2\/comments?post=6222"}],"version-history":[{"count":0,"href":"https:\/\/solid.kmckk.com\/SOLID\/wp-json\/wp\/v2\/posts\/6222\/revisions"}],"wp:attachment":[{"href":"https:\/\/solid.kmckk.com\/SOLID\/wp-json\/wp\/v2\/media?parent=6222"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/solid.kmckk.com\/SOLID\/wp-json\/wp\/v2\/categories?post=6222"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/solid.kmckk.com\/SOLID\/wp-json\/wp\/v2\/tags?post=6222"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}