{"id":6513,"date":"2020-02-14T01:57:22","date_gmt":"2020-02-13T16:57:22","guid":{"rendered":"http:\/\/happytech.jp\/wordpress\/?p=6513"},"modified":"2020-02-21T02:55:26","modified_gmt":"2020-02-20T17:55:26","slug":"freertos-example-4","status":"publish","type":"post","link":"https:\/\/happytech.jp\/wordpress\/2020\/02\/14\/freertos-example-4\/","title":{"rendered":"FreeRTOS\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9(4)"},"content":{"rendered":"<p>\u30bf\u30b9\u30af\u6570=2\u306eMCUXpresso54114\u8a55\u4fa1\u30dc\u30fc\u30c9SDK\u4ed8\u5c5eFreeRTOS\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u306e\u5f8c\u534a2\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3001Mutex\u3068Semaphore\u3092\u8aac\u660e\u3057\u307e\u3059\uff08\u524d\u534a\u306f\u3001\u524d\u7a3f\u53c2\u7167\uff09\u3002<\/p>\n<h3>FreeRTOS\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\uff1a\u30bf\u30b9\u30af\u6570\uff1d2<\/h3>\n<table width=\"708\">\n<caption>FreeRTOS\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\uff1a\u30bf\u30b9\u30af\u6570\uff1d2\uff08\u5f8c\u534a\uff09<\/caption>\n<tbody>\n<tr>\n<td width=\"123\"><strong>Project<\/strong><\/td>\n<td width=\"57\"><strong>Tasks<\/strong><\/td>\n<td width=\"67\"><strong>heap_<\/strong><\/td>\n<td width=\"207\"><strong>Additional FreeRTOS APIs <\/strong><\/td>\n<td width=\"255\"><strong>Additional Comments<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"123\">freertos_mutex<\/td>\n<td width=\"57\">2<\/td>\n<td width=\"67\">4<\/td>\n<td width=\"207\">\n<p style=\"text-align: left;\">xSemaphoreCreateMutex<br \/>\nxSemaphoreGive<\/p>\n<\/td>\n<td rowspan=\"2\" width=\"255\">\n<p style=\"text-align: left;\">\u4e26\u5217\u52d5\u4f5c\u306e\u5171\u6709\u30ea\u30bd\u30fc\u30b9\u540c\u671f\/\u7af6\u5408\u5236\u5fa1\u3002taskYIELD\u306f\u8981\u6ce8\u610f\uff01<\/p>\n<p style=\"text-align: left;\">Mutex\u306e\u30bb\u30de\u30d5\u30a9\u4f5c\u6210\u306f\u3001\u3000\u3000 xSemaphoreCreateMutex\u3002<\/p>\n<p style=\"text-align: left;\">Semaphore\u306e\u30bb\u30de\u30d5\u30a9\u4f5c\u6210\u306f\u3001xSemaphoreCreateBinary\u3002<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"123\">freertos_sem<\/td>\n<td width=\"57\">1+3<\/td>\n<td width=\"67\">4<\/td>\n<td width=\"207\">\n<p style=\"text-align: left;\">xSemaphoreGive<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u203bFreertos_sem\u306f\u30bf\u30b9\u30af\u65704\u500b\u3002\u5b9f\u8cea\u306fproducer_task\u3068consumer_task\u306e2\u500b\u3002<\/p>\n<h4>FreeRTOS Project\uff1afreertos_mutex<\/h4>\n<p>RTOS\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u30e1\u30ea\u30c3\u30c8\u306f\u3001\u8907\u6570\u30bf\u30b9\u30af\u304c\u300c\u5b8c\u5168\u306b\u4e26\u5217\u52d5\u4f5c\u300d\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u305f\u3060\u3057\u3001\u526f\u4f5c\u7528\u3068\u3057\u3066\u3001\u5171\u6709\u30ea\u30bd\u30fc\u30b9\u306e\u30a2\u30af\u30bb\u30b9\u7af6\u5408\u304c\u751f\u3058\u307e\u3059\u3002\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u306e\u5834\u5408\u306fIDE Console\u51fa\u529b\u3067\u3001\u305d\u306e\u4ed6\u306bUART\u3084IO\u30dd\u30fc\u30c8\u306a\u3069\u591a\u304f\u306e\u5171\u6709\u30ea\u30bd\u30fc\u30b9\u304cMCU\u306b\u306f\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u5171\u6709\u30ea\u30bd\u30fc\u30b9\u3078\u306e\u30bb\u30af\u30bb\u30b9\u7af6\u5408\u3092\u9632\u3050\u624b\u6bb5\u304c\u30df\u30e5\u30fc\u30c6\u30c3\u30af\u30b9\u3067\u3059\u3002\u5171\u6709\u30ea\u30bd\u30fc\u30b9\u4f7f\u7528\u524d\u306b\u4ed6\u30bf\u30b9\u30af\u306e\u4f7f\u7528\/\u672a\u4f7f\u7528\u3092\u691c\u51fa\u3057\u3001\u672a\u4f7f\u7528\u6642\u306e\u307f\u5229\u7528\u3001\u5229\u7528\u5f8c\u306f\u3001\u4f7f\u7528\u6a29\u3092\u623b\u3059\u64cd\u4f5c\uff08xSemaphoreGive\uff09\u3092\u3057\u307e\u3059\u3002<\/p>\n<p>\u4eee\u306b\u30df\u30e5\u30fc\u30c6\u30c3\u30af\u30b9\u6a5f\u80fd\u304c\u7121\u3051\u308c\u3070\u3001\u82f1\u5b57\u3068\u6570\u5b57\u304c\u6df7\u3056\u3063\u305f\u51fa\u529b\u306b\u306a\u308a\u3001\u4f7f\u3044\u7269\u306b\u306a\u308a\u307e\u305b\u3093\u3002<br \/>\n\u4e26\u5217\u52d5\u4f5c\u306eRTOS\u306b\u3001Mutex\u306f\u5fc5\u9808\u6a5f\u80fd\u3067\u3059\u3002<\/p>\n<p>\u6ce8\u610f\u70b9\u306f\u3001Console\u3078\u90e8\u5206\u51fa\u529b\u5f8c\u306etaskYIELD\u3067\u3059\u3002<\/p>\n<p>F3\u30af\u30ea\u30c3\u30af\u3067\u8abf\u3079\u307e\u3057\u305f\u304ctaskYIELD\u306e\u7406\u7531\u306f\u3001\u7b46\u8005\u306b\u306f\u4e0d\u660e\u3067\u3059\u3002\u3060\u3060\u3057\u3001\u30b3\u30e1\u30f3\u30c8\u3092\u8aad\u3080\u3068FreeRTOS\u30a4\u30f3\u30d7\u30ea\u30e1\u30f3\u30c8\u4f9d\u5b58\u90e8\u5206\u306a\u306e\u3067\u3001\u305d\u306e\u307e\u307e\u5f04\u3089\u306a\u3044\u65b9\u304c\u826f\u3055\u305d\u3046\u3067\u3059\u3002\u5171\u6709\u30ea\u30bd\u30fc\u30b9\u5229\u7528\u4e2d\u306b\u306f\u3001taskYIELD\u304c\u5fc5\u8981\u3068\u899a\u3048\u3066\u304a\u3051\u3070\uff08\u3068\u308a\u3042\u3048\u305a\uff09\u826f\u3044\u3068\u3057\u307e\u3059\u3002<br \/>\n\u203b\u672c\u8abf\u67fb\u306e\u76ee\u7684\u306f\u3001\u30d9\u30a2\u30e1\u30bf\u30ebCortex-M4\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u958b\u767a\u3078\u306eRTOS\u6a5f\u80fd\u5fdc\u7528\u3067\u3042\u3063\u3066\u3001FreeRTOS\u81ea\u8eab\u3067\u306f\u306a\u3044\u306e\u3067\u3001\u3053\u306e\u7a0b\u5ea6\u3067\u7559\u3081\u3066\u3044\u304d\u307e\u3059&#x1f44d;\u3002<\/p>\n<p>\u5171\u6709\u30ea\u30bd\u30fc\u30b9\u4f7f\u7528\u691c\u51faAPI\u306f\u3001xSemaphoreTake\u3067\u3059\u3002<a href=\"https:\/\/happytech.jp\/wordpress\/2020\/02\/07\/freertos-example-3\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u524d\u7a3ffreertos_tickless\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u5272\u8fbc\u307fISR\u3068\u51e6\u7406\u30bf\u30b9\u30af\u540c\u671f<\/a>\u306b\u7528\u3044\u305fAPI\u3068\u540c\u4e00\u3067\u3059\u3002\u5dee\u5206\u306f\u3001\u30bb\u30de\u30d5\u30a9\u81ea\u4f53\u306e\u4f5c\u308a\u65b9\u304c\u7570\u306a\u308a\u307e\u3059\u3002\u30df\u30e5\u30fc\u30c6\u30c3\u30af\u30b9\u306e\u5834\u5408\u306f\u3001xSemaphoreCreateMutex\u3001\u30bb\u30de\u30d5\u30a9\u306e\u5834\u5408\u306f\u3001xSemaphoreCreateBinary\u3067\u3059\u3002<\/p>\n<p>\u9055\u3044\u306f\u3001\u521d\u671f\u5024\u3067\u3059\u3002\u30df\u30e5\u30fc\u30c6\u30c3\u30af\u30b9\u306f\u3001\u521d\u671f\u5024\u304c\u4f7f\u7528\u53ef\u80fd\uff08pdTRUE\uff09\u306b\u306a\u308a\u307e\u3059\u304c\u3001\u30bb\u30de\u30d5\u30a9\u306f\u3001\u521d\u671f\u5024\u304c\u4f7f\u7528\u4e0d\u53ef\u3067\u3059\u3002\u3069\u3061\u3089\u3082\u3001\u4e26\u5217\u52d5\u4f5c\u30bf\u30b9\u30af\u9593\u306e\u540c\u671f\/\u7af6\u5408\u5236\u5fa1\u3068\u3057\u3066\u3001\u540c\u3058API\uff1axSemaphoreTake\u3092\u4f7f\u3063\u3066\u3044\u308b\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002<\/p>\n<h4>FreeRTOS Project\uff1afreertos_sem<\/h4>\n<p>\u524d\u7a3ffreertos_tickless\u3067\u793a\u3057\u305fISR\u3068\u51e6\u7406\u30bf\u30b9\u30af\u306e\u30bb\u30de\u30d5\u30a9\u540c\u671f\u3068\u306f\u5225\u306e\u4f7f\u7528\u4f8b\u304c\u3001freertos_ sem\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u3059\u3002\u540c\u671f\u3068\u3044\u3046\u3088\u308a\u3001\u3080\u3057\u308d\u6392\u4ed6\u5236\u5fa1\u306b\u30bb\u30de\u30d5\u30a9\u3092\u4f7f\u3063\u305f\u4f8b\u3067\u3059\u3002<\/p>\n<p>\u3053\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306f\u3001\u3053\u308c\u307e\u3067\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u6700\u3082\u591a\u3044\uff14\u30bf\u30b9\u30af\uff1a1\uff08producer_task\uff09+3\uff08consumer_task\uff09\u3092\u751f\u6210\u3057\u30012\u500b\u306e\u30bb\u30de\u30d5\u30a9\uff08xSemaphore_producer\u3068xSemaphore_consumer\uff09\u3092\u4f7f\u3044\u30011\u500b\u306e\u30a2\u30a4\u30c6\u30e0\u30924\u30bf\u30b9\u30af\u9593\u3067\u5229\u7528\u3059\u308b\u4f8b\u3067\u3059\uff08Doc&gt;freertos_sem_example.txt\u306b\u3088\u308b\u3068\u30e9\u30f3\u30c7\u30d6\u30fc\u30e2\u30c7\u30eb\u540c\u671f\u3068\u8a00\u3046\u3088\u3046\u3067\u3059\uff09\u3002<\/p>\n<figure id=\"attachment_6517\" aria-describedby=\"caption-attachment-6517\" style=\"width: 669px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-6517\" src=\"http:\/\/happytech.jp\/wordpress\/wp-content\/uploads\/2020\/02\/9b2f3cfaea7a93f49fd95828f50e6104.png\" alt=\"2\u30bb\u30de\u30d5\u30a9\u30671\u5171\u6709\u30a2\u30a4\u30c6\u30e0\u5229\u7528\u306e\u30e9\u30f3\u30c7\u30d6\u30fc\u30e2\u30c7\u30eb\u540c\u671f\" width=\"669\" height=\"747\" srcset=\"https:\/\/happytech.jp\/wordpress\/wp-content\/uploads\/2020\/02\/9b2f3cfaea7a93f49fd95828f50e6104.png 669w, https:\/\/happytech.jp\/wordpress\/wp-content\/uploads\/2020\/02\/9b2f3cfaea7a93f49fd95828f50e6104-269x300.png 269w, https:\/\/happytech.jp\/wordpress\/wp-content\/uploads\/2020\/02\/9b2f3cfaea7a93f49fd95828f50e6104-242x270.png 242w\" sizes=\"auto, (max-width: 669px) 100vw, 669px\" \/><figcaption id=\"caption-attachment-6517\" class=\"wp-caption-text\">2\u30bb\u30de\u30d5\u30a9\u30671\u5171\u6709\u30a2\u30a4\u30c6\u30e0\u5229\u7528\u306e\u30e9\u30f3\u30c7\u30d6\u30fc\u30e2\u30c7\u30eb\u540c\u671f<\/figcaption><\/figure>\n<p>1\u500b\u306e\uff08\u5171\u6709\uff09\u30a2\u30a4\u30c6\u30e0\u306f\u3001\u5143\u3005produser_task\u304c\u6301\u3063\u3066\u304a\u308a\u3001cunsumer_task\u3078\u305d\u306e\u4f7f\u7528\u6a29\u3092\u4e0e\u3048\u307e\u3059\uff08L119:xSemaphoreGive\u2192xSemaphore_consumer\uff09\u3002<\/p>\n<p>\u4e26\u5217\u52d5\u4f5c\u4e2d\u306e3\u500bcumsumer_task\u306e\u3069\u308c\u304b\u304c\u3053\u306e\u4f7f\u7528\u6a29\u3092\u53d6\u5f97\u3057\u307e\u3059\uff08L143:xSemaphoreTaka\u2190xSemaphore_consumer\uff09\u3002\u4f7f\u7528\u5f8c\u306f\u3001produser_task\u3078\u4f7f\u7528\u6a29\u3092\u8fd4\u5374\u3057\u307e\u3059\uff08L141:xSemaphoreGige\u2192xSemaphore_producer\uff09\u3002<\/p>\n<p>produser_task\u306f\u3001cunsumer_task\u306e\u4f7f\u7528\u6a29\u8fd4\u5374\u3092\u5f85\u3063\u3066\u304a\u308a\uff08L121: xSemaphoreTaka\u2190xSemaphore_producer\uff09\u3001\u8fd4\u5374\u5f8c\u3001\u518d\u3073\u6700\u521d\u306b\u623b\u3063\u3066cunsumer_task\u3078\u4f7f\u7528\u6a29\u3092\u4e0e\u3048\u307e\u3059\u3002<\/p>\n<p>cunsumer\u5c02\u7528\u30bb\u30de\u30d5\u30a9\u304cxSemaphore_consumer\u3001producer\u5c02\u7528\u30bb\u30de\u30d5\u30a9\u304cxSemaphore_producer\u3067\u3001\u305d\u308c\u305e\u308c\u3092\u56f3\u793a\u3057\u305f\u3088\u3046\u306b\u3084\u308a\u53d6\u308a\u3057\u306a\u304c\u30894\u30bf\u30b9\u30af\u304c\u52d5\u4f5c\u3057\u307e\u3059\u3002<\/p>\n<p>\u30d9\u30a2\u30e1\u30bf\u30eb\u98a8\u306b\u3001\u30e9\u30f3\u30c7\u30d6\u30fc\u30e2\u30c7\u30eb\u540c\u671f\uff1asynchronized in bilateral rendezvous model\u3092\u89e3\u8aac\u3059\u308b\u3068\u4e0a\u8a18\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u4e0a\u3067\u306f\u3001\u3069\u306ecumsumer_task\u304c\u5171\u6709\u30a2\u30a4\u30c6\u30e0\u3092\u7372\u5f97\u3059\u308b\u304b\u306f\u4e0d\u660e\u3067\u3059\u304c\u3001\u8a55\u4fa1\u30dc\u30fc\u30c9\u5b9f\u884c\u7d50\u679c\u306f\u3001\u5e38\u306bConsumer 0\u21921\u21922\u21920\uff65\uff65\uff65\u306e\u9806\u756a\u3067\u3057\u305f\u30023\u500b\u306ecumsumer_task\u30d7\u30e9\u30a4\u30aa\u30ea\u30c6\u30a3\u304c\u540c\u4e00\u306e\u6642\u306f\u3001\u751f\u6210\u9806\u306b1\u500b\u306e\u30a2\u30a4\u30c6\u30e0\u5171\u6709\u304c\u3067\u304d\u308b\u3088\u3046\u3067\u3059\u3002<\/p>\n<h2>FreeRTOS\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\uff1a\u30bf\u30b9\u30af\u6570\uff1d2\uff08\u5f8c\u534a\uff09\u306e\u8abf\u67fb\u7d50\u679c<\/h2>\n<ul>\n<li>FreeRTOS\u30bf\u30b9\u30af\u4e26\u5217\u52d5\u4f5c\u526f\u4f5c\u7528\u306e\u5171\u6709\u30ea\u30bd\u30fc\u30b9\u30a2\u30af\u30bb\u30b9\u7af6\u5408\u56de\u907f\u624b\u6bb5\u306b\u3001\u30df\u30e5\u30fc\u30c6\u30c3\u30af\u30b9\u304c\u3042\u308b<\/li>\n<li>MCUXpresso54114 \u306eFreeRTOS\u5171\u6709\u30ea\u30bd\u30fc\u30b9\u5229\u7528\u9014\u4e2d\u306b\u306f\u3001taskYIELD\u304c\u5fc5\u8981<\/li>\n<li>\u521d\u671f\u5024\uff08pdTRUE\uff09\u306e\u6709\u7121\u304c\u3001\u30df\u30e5\u30fc\u30c6\u30c3\u30af\u30b9\u4f5c\u6210\u3068\u30bb\u30de\u30d5\u30a9\u4f5c\u6210\u3067\u7570\u306a\u308b<\/li>\n<li>\u30d0\u30a4\u30ca\u30ea\u30bb\u30de\u30d5\u30a9\u306e\u6392\u4ed6\u5236\u5fa1\u5229\u7528\u4f8b\u306b\u3001\u30e9\u30f3\u30c7\u30d6\u30fc\u30e2\u30c7\u30eb\u540c\u671f\u304c\u3042\u308b<\/li>\n<li>\u30e1\u30e2\u30ea\u4f7f\u7528\u6cd5\u306f\u3001heap_4\u3092\u5229\u7528<\/li>\n<\/ul>\n<h3>FreeRTOS\u30c7\u30d0\u30a4\u30b9\u4f9d\u5b58\u958b\u767a\u30ce\u30a6\u30cf\u30a6<\/h3>\n<p>\u7b46\u8005\u306eOS\uff1aOperating System\u5229\u7528\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30bd\u30d5\u30c8\u958b\u767a\u7d4c\u9a13\u306f\u3001Windows PC\u306e\u307f\u3067\u3059\u3002Windows 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href=\"https:\/\/www.mouser.jp\/ProductDetail\/NXP-Semiconductors\/OM13089UL?qs=AQlKX63v8RveQeOZf4zqcA%3D%3D\" target=\"_blank\" rel=\"noopener noreferrer\">LPCXpresso54114<\/a>\uff08Cortex-M4\/M0+ 100MHz\u3001256KB Flash\u3001192KB RAM\uff09\u8a55\u4fa1\u30dc\u30fc\u30c9\u306f\u3001\u5165\u624b\u6027\u3082\u3088\u304f\u4f4e\u4fa1\u683c\uff08\u7d043400\u5186\uff09\u3067\u3059\u3002\u7121\u511fLPCXpresso IDE\u3068\u3068\u3082\u306b\u3054\u5229\u7528\u3044\u305f\u3060\u3051\u308c\u3070\u3001\u672c\u7a3f\u3084FreeRTOS\u304c\u3088\u308a\u89e3\u308a\u6613\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>PS\uff1aFreeRTOS\u306e\u6700\u65b0\u7248V10.3.0\u304c2020\u5e742\u67087\u65e5\u306b\u516c\u958b\u3055\u308c\u307e\u3057\u305f\u3002\u8a73\u7d30\u306f\u3001<a href=\"https:\/\/www.freertos.org\/History.txt\" target=\"_blank\" rel=\"noopener 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