{"id":8125,"date":"2021-06-11T02:36:30","date_gmt":"2021-06-10T17:36:30","guid":{"rendered":"https:\/\/happytech.jp\/wordpress\/?p=8125"},"modified":"2021-12-12T10:39:07","modified_gmt":"2021-12-12T01:39:07","slug":"diversified-mcu-rtos-countermeasures","status":"publish","type":"post","link":"https:\/\/happytech.jp\/wordpress\/2021\/06\/11\/diversified-mcu-rtos-countermeasures\/","title":{"rendered":"\u591a\u69d8\u5316MCU RTOS\u5bfe\u7b56"},"content":{"rendered":"

IoT MCU\u30af\u30e9\u30a6\u30c9\u5e02\u5834\u306f\u3001AWS\u3068Microsoft Azure\u304c\u30ea\u30fc\u30c9\u3057\u3066\u304a\u308a\u4e16\u754c\u53ce\u76ca\u306e\u534a\u5206\u4ee5\u4e0a\u3092\u5360\u3081\u308b\u3068\u3044\u3046\u8a18\u4e8b<\/a>\u306b\u63b2\u8f09\u3055\u308c\u305f\u306e\u304c\u4e0b\u56f3\u3067\u3059\uff08EE Times 2021\u5e746\u67087\u65e5\u3001\u6a2a\u8ef8\uff1a\u5e02\u5834\u30b7\u30a7\u30a2\u3001\u7e26\u8ef8\uff1a\u5e74\u5e73\u5747\u6210\u9577\u7387\uff09\u3002Microsoft\u306f\u5f90\u3005\u306bAmazon\u306b\u8feb\u3063\u3066\u304a\u308a\u3001\u5e02\u5834\u30b7\u30a7\u30a2\u5dee\u306f\u3001\u904e\u53bb1\u5e74\u30672\u30dd\u30a4\u30f3\u30c8\u7e2e\u307e\u3063\u305f\u305d\u3046\u3067\u3059\u3002<\/p>\n

\"\u30af\u30e9\u30a6\u30c8\u30d7\u30ed\u30d0\u30a4\u30c0\u306e\u5e02\u5834\u30b7\u30a7\u30a2\uff08\u51fa\u5178\uff1a\u8a18\u4e8b\uff09\"
\u30af\u30e9\u30a6\u30c8\u30d7\u30ed\u30d0\u30a4\u30c0\u306e\u5e02\u5834\u30b7\u30a7\u30a2\uff08\u51fa\u5178\uff1a\u8a18\u4e8b\uff09<\/figcaption><\/figure>\n

\u591a\u69d8\u5316MCU RTOS<\/h2>\n

AWS\u3078\u306e\u63a5\u7d9a\u306b\u306fAmazon FreeRTOS\u3001Microsoft Azure\u306b\u306fAzure RTOS\u3092\u7528\u3044\u307e\u3059\u3002IoT\u30af\u30e9\u30a6\u30c9\u63a5\u7d9a\u30a6\u30a7\u30d3\u30ca\u30fc\u3067\u306f\u3001\u3069\u306eMCU\u30d9\u30f3\u30c0\u3067\u3082\u5148\u884c\u3057\u3066\u3044\u308bAmazon FreeRTOS\u3092\u4f7f\u3063\u305f\u63a5\u7d9a\u4f8b\u304c\u4e3b\u6d41\u3067\u3059\u3002\u3057\u304b\u3057\u3001\u6700\u8fd1\u306f\u3001Azure RTOS\u5229\u7528\u306e\u63a5\u7d9a\u8cc7\u6599<\/a>\u3084\u30a6\u30a7\u30d3\u30ca\u30fc\u3082\u898b\u3089\u308c\u307e\u3059\u3002AWS\u3068Microsoft Azure\u306e\u5dee\u304c\u7e2e\u307e\u308a\u3064\u3064\u3042\u308b\u8a3c\u5de6\u3067\u3057\u3087\u3046\u3002<\/p>\n

\u307e\u305f\u3001\u7b2c3\u52e2\u529b\u3068\u3057\u3066\u6025\u6210\u9577\u4e2d\u306eGoogle\u30af\u30e9\u30a6\u30c9\u63a5\u7d9a\u306b\u306fARM mbed OS<\/a>\u304c\u4f7f\u308f\u308c\u307e\u3059\u3002IoT MCU\u306b\u5b9f\u88c5\u3059\u308bRTOS\u306f\u591a\u69d8\u5316\u3057\u3066\u304d\u307e\u3057\u305f\u3002<\/p>\n

IoT MCU RTOS\u3068PC\u30d6\u30e9\u30a6\u30b6<\/h3>\n
\"IoT
IoT MCU RTOS\u3068PC\u30d6\u30e9\u30a6\u30b6\u6bd4\u8f03<\/figcaption><\/figure>\n

\u3053\u306e\u72b6\u6cc1\u306f\u3001PC\u30d6\u30e9\u30a6\u30b6\u304c\u73fe\u72b6\u3001\u8907\u6570\u5171\u5b58\u3057\u3066\u3044\u308b\u306e\u306b\u4f3c\u3066\u3044\u307e\u3059\u3002<\/p>\n

\u6a5f\u80fd\u7684\u306b\u306f\u540c\u3058\u30d6\u30e9\u30a6\u30b6\u3067\u3059\u304c\u3001\u8868\u793a\/\u5370\u5237\/\u5e83\u544a\u306a\u3069\u306e\u4f7f\u3044\u52dd\u624b\u304c\u5c11\u3057\u305a\u3064\u7570\u306a\u308b\u305f\u3081\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u8907\u6570\u30d6\u30e9\u30a6\u30b6\u3092\u4f7f\u3044\u5206\u3051\u308b\u65b9\u3082\u591a\u3044\u3067\u3057\u3087\u3046\u3002\u8a18\u61b6\u5bb9\u91cf\u306e\u5927\u304d\u3044PC\u3067\u306f\u3001\u30d6\u30e9\u30a6\u30b6\u4f75\u7528\u30fb\u5171\u5b58\u3082\u7c21\u5358\u3067\u3059\u3002<\/p>\n

\u3057\u304b\u3057\u3001\u9650\u3089\u308c\u305f\u5bb9\u91cf\u3057\u304b\u6301\u305f\u306a\u3044MCU\u306e\u5834\u5408\u306f\u3001\u8907\u6570RTOS\u306e\u4e2d\u304b\u3089MCU\u642d\u8f09RTOS\u306f1\u3064\u306b\u7d5e\u3089\u308c\u308b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n

\u4f8b\u3048\u3070\u3001Amazon\u3084Microsoft\u3001Google\u5404\u793e\u306e\u5f37\u307f\uff08\u8ca9\u58f2\/\u6587\u66f8\/\u5e83\u544a\uff09\u3084\u7279\u5fb4\u3092\u6d3b\u304b\u3057\u3001IoT\u6a5f\u5668\u5236\u5fa1\u30b5\u30fc\u30d3\u30b9\u3084AI\u6d3b\u7528\u30b5\u30fc\u30d3\u30b9\u306a\u3069\u9b45\u529b\u7684\u30af\u30e9\u30a6\u30c9\u30b5\u30fc\u30d3\u30b9\u3092\u5404\u793e\u5404\u69d8\u3067\u63d0\u4f9b\u3057\u3001\u305d\u306e\u4fa1\u683c\u3001\u9867\u5ba2\u3068\u306e\u7d50\u3073\u3064\u304d\u306e\u5f37\u3055\u306a\u3069\u304c\u30b5\u30fc\u30d3\u30b9\u9078\u629e\u306e\u6c7a\u3081\u624b\u3068\u306a\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n

\u3044\u305a\u308c\u306b\u305b\u3088\u9867\u5ba2\u304c\u3001\u5229\u7528\u3059\u308b\u30af\u30e9\u30a6\u30c9\u30b5\u30fc\u30d3\u30b9\u3092\u6c7a\u3081\u3001\u305d\u306e\u63a5\u7d9a\u624b\u6bb5\u3068\u3057\u3066\u5404\u793eRTOS\u63a5\u7d9a\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u4f7f\u7528\u3001\u52a0\u3048\u3066RTOS\u74b0\u5883\u3067\u306e\u4e0a\u5c64MCU\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u958b\u767a\u3092\u884c\u3046\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

\u554f\u984c\u306f\u3001RTOS\u74b0\u5883\u306eMCU\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u958b\u767a\u624b\u6cd5\u304c\u30d9\u30a2\u30e1\u30bf\u30eb\u3068\u7570\u306a\u308b\u3053\u3068\u3001\u5404\u793eRTOS\u4ed5\u69d8\u304c\u5c11\u3057\u305a\u3064\u7570\u306a\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n

\u591a\u69d8\u5316RTOS\u5bfe\u7b56<\/h2>\n

\u4eee\u306b\u3001Cortex-M4\/M0+\u30c7\u30a3\u30a2\u30eb\u30b3\u30a2MCU\u3067\u3001\u30af\u30e9\u30a6\u30c9\u901a\u4fe1\u51e6\u7406\u5168\u3066\u3092\u3001Cortex-M0+\u30b3\u30a2\u5074\u306eRTOS\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u884c\u3044\u3001\u901a\u4fe1\u3068\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u5b8c\u5168\u5206\u96e2\u3055\u308c\u305f\u69cb\u6210\u3067\u3042\u308c\u3070\u3001\u554f\u984c\u306f\u89e3\u6c7a\u3057\u307e\u3059\u3002\u63a5\u7d9a\u30b5\u30fc\u30d3\u30b9\u6bce\u306bRTOS\u901a\u4fe1\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u5909\u3048\u3055\u3048\u3059\u308c\u3070\u3001\u5bfe\u5fdc\u3067\u304d\u308b\u304b\u3089\u3067\u3059\u3002<\/p>\n

Bluetooth\u3084Thread\u306a\u3069\u8907\u6570\u7121\u7dda\u901a\u4fe1\u898f\u683c\u304b\u30891\u3064\u3092\u9078\u3093\u3067\u51e6\u7406\u3059\u308b\u306a\u3069\u3001\u3053\u306e\u69cb\u6210\u306b\u8fd1\u3044\u30d9\u30a2\u30e1\u30bf\u30eb\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u5bfe\u5fdc\u306eMCU\u304c\u65e2\u306b\u3042\u308a\u307e\u3059\u3002<\/p>\n

\u3057\u304b\u3057\u3001\u4e3b\u6d41\u30a6\u30a7\u30d3\u30ca\u30fc\u3067\u7528\u3044\u3089\u308c\u308b\u9ad8\u6027\u80fdCortex-M4\u30b7\u30f3\u30b0\u30eb\u30b3\u30a2\u3092\u4f7f\u3063\u3066\u3001\u30af\u30e9\u30a6\u30c9\u901a\u4fe1\u3068\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u4e21\u65b9\u3092\u51e6\u7406\u3059\u308b\u5834\u5408\u306b\u306f\u3001\u63a5\u7d9a\u5148\u306e\u30af\u30e9\u30a6\u30c9\u306b\u5fdc\u3058\u3066\u300cFreeRTOS\/Azure RTOS\/Mbed OS\u306a\u3069\u69d8\u3005\u306aRTOS\u74b0\u5883\u306e\u4e0a\u5c64\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u958b\u767a\u300d\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

RTOS\u306e\u76ee\u7684\u306f\u3001MCU\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u96a0\u853d\u3068\u958b\u767a\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u6d41\u7528\u6027\u5411\u4e0a\u306a\u306e\u306b\u3001\u8907\u6570RTOS\u5b58\u5728\u3067\u958b\u767a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u7570\u306a\u308b\u3068\u306f\u3001\u76ae\u8089\u306a\u7d50\u679c\u3067\u3059\u3002<\/p>\n

\u6700\u521d\u306e\u56f3\u306f\u3001IoT MCU\u958b\u767a\u8005\u304c\u3001\u4eca\u5f8c\u6025\u5897\u3059\u308b\u30af\u30e9\u30a6\u30c9\u63a5\u7d9aIoT MCU\u958b\u767a\u306b\u3001\u3053\u308c\u3089\u8907\u6570RTOS\u3092\u52b9\u7387\u7684\u306b\u7fd2\u5f97\u3057\u3001\u304b\u3064\u3001\u9867\u5ba2\u304c\u9078\u30761\u500b\u306eRTOS\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u65e9\u671f\u306b\u958b\u767a\u3067\u304d\u308b\u30b9\u30ad\u30eb\u3092\u7372\u5f97\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u73fe\u72b6\u3084\u5c06\u6765\u3092\u793a\u3057\u3066\u3044\u308b\u3068\u3082\u8a00\u3048\u307e\u3059\u3002<\/p>\n

\u3053\u3046\u3044\u3046\u72b6\u6cc1\u3067\u306e\u5e38\u5957\u624b\u6bb5\u306f\u3001\u5171\u901a\u90e8\u5206\u3068\u500b\u5225\u90e8\u5206\u306e\u5206\u96e2\u3001\u5171\u901a\u90e8\u5206\u304b\u3089\u306e\u6bb5\u968e\u7684\u7fd2\u5f97\u3067\u3059\u3002<\/p>\n

\u3069\u306eRTOS\u3067\u3082Semaphore\u3084Queue\u306f\u3001\u307b\u307c\u5171\u901a\u306e\u57fa\u672c\u6a5f\u80fd\u3067\u3059\u3002\u5148\u305a\u306f\u3001\u3053\u306e2\u6a5f\u80fd\u3092\u3057\u3063\u304b\u308a\u628a\u63e1\u3057\u3001\u3088\u308a\u9ad8\u5ea6\u306a\u30df\u30e5\u30fc\u30c6\u30c3\u30af\u30b9\u3084\u30a4\u30d9\u30f3\u30c8\u30b0\u30eb\u30fc\u30d7\u306a\u3069RTOS\u6bce\u306b\u7279\u5fb4\u304c\u3042\u308a\u6a5f\u80fd\u3082\u7570\u306a\u308b\u5bfe\u8c61\u3078\u767a\u5c55\u3059\u308b\u306e\u304c\u52b9\u7387\u7684\u3067\u3057\u3087\u3046\u3002<\/p>\n

\u203bRTOS\u306f\u3001\u8907\u6570\u30bf\u30b9\u30af\uff08Azure\u306fThread\uff09\u3092\u3001\u512a\u5148\u9806\u4f4d\u306b\u5fdc\u3058\u3066\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u306b\u5b9f\u884c\/\u5f85\u6a5f\/\u72b6\u614b\u4fdd\u5b58\u5fa9\u5e30\u306e\u5207\u66ff\u3048\u3092\u884c\u3044\u307e\u3059\u3002\u30bf\u30b9\u30af\u9593\u540c\u671f\u624b\u6bb5\u304cSemaphore\u3001\u30c7\u30fc\u30bf\u9001\u53d7\u624b\u6bb5\u304cQueue\u3067\u3001\u3053\u306e2\u3064\u306f\u3069\u306eRTOS\u3067\u3082\u5171\u901a\u306e\u57fa\u672c\u6a5f\u80fd\u3067\u3059\u3002<\/p>\n

\u307e\u3068\u3081<\/h2>\n

IoT MCU\u30af\u30e9\u30a6\u30c9\u5e02\u5834\u30b7\u30a7\u30a2\u304b\u3089\u3001\u30af\u30e9\u30a6\u30c9\u63a5\u7d9aIoT MCU RTOS\u3082PC\u30d6\u30e9\u30a6\u30b6\u540c\u69d8\u3001\u69d8\u3005\u306a\u4ed5\u69d8\u4f75\u5b58\u306e\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

\u9867\u5ba2\u304c\u9078\u3076RTOS\u306b\u67d4\u8edf\u5bfe\u5fdc\u3057\u3001\u305d\u306eRTOS\u4e0a\u5c64\u306e\u69d8\u3005\u306aRTOS\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u65e9\u671f\u958b\u767a\u3059\u308b\u306b\u306f\u3001\u5148\u305a\u3001\u5404RTOS\u5171\u901a\u6a5f\u80fd\u306eSemaphore\u3068Queue\u3092\u628a\u63e1\u3057\u3001\u3088\u308a\u9ad8\u5ea6\u3067RTOS\u6bce\u306b\u7570\u306a\u308b\u500b\u5225\u6a5f\u80fd\u3078\u767a\u5c55\u3059\u308b\u7fd2\u5f97\u30a2\u30d7\u30ed\u30fc\u30c1\u304c\u52b9\u7387\u7684\u3067\u3059\u3002<\/p>\n

6E\u30ea\u30ea\u30fc\u30b9\u4e88\u5b9a\u306e\u5f0a\u793eFreeRTOS\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8<\/a>\uff08\u7a0e\u8fbc2000\u5186\uff09\u306f\u3001\u4e3b\u6d41\u306eAmazon FreeRTOS\u3092\u7528\u3044\u3001NXP\uff09LPCXpresso54114\uff08Cortex-M4\/150MHz\u3001Flash\/256KB\u3001RAM\/192KB\uff09\u306b\u3066\u52d5\u4f5c\u78ba\u8a8d\u6e08\u307f\u3067\u3059\u3002<\/p>\n

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