{"id":184,"date":"2015-07-28T16:51:47","date_gmt":"2015-07-28T07:51:47","guid":{"rendered":"http:\/\/light-of-moe.ddo.jp\/~sakura\/diary\/?p=184"},"modified":"2015-07-28T16:51:47","modified_gmt":"2015-07-28T07:51:47","slug":"intel-edison-for-arduino-%e3%81%ae-delaymicroseconds-%e3%81%ae%e7%b2%be%e5%ba%a6%e3%81%8c%e6%82%aa%e3%81%84%e4%bb%b6","status":"publish","type":"post","link":"https:\/\/light-of-moe.ddo.jp\/~sakura\/diary\/?p=184","title":{"rendered":"Intel Edison for Arduino \u306e delayMicroseconds \u306e\u7cbe\u5ea6\u304c\u60aa\u3044\u4ef6"},"content":{"rendered":"

Intel Edison for Arduino \u306e delayMicroseconds \u306e\u7cbe\u5ea6\u304c\u60aa\u3044\u4ef6<\/h1>\n

Edison\u3067\u8d64\u5916\u7ddaLED\u3092\u3064\u304b\u3063\u3066\u30ea\u30e2\u30b3\u30f3\u3092\u4f5c\u3063\u3066\u3044\u308b\u304c\u3001\u3069\u3046\u306b\u3082\u3046\u307e\u304f\u884c\u304b\u306a\u3044\u3002
\n\u8abf\u3079\u305f\u7d50\u679c\u3001delayMicroseconds<\/code> \u306e\u7cbe\u5ea6\u304c\u60aa\u3059\u304e\u3066\u6b63\u3057\u304f\u30ea\u30e2\u30b3\u30f3\u306e\u4fe1\u53f7\u304c\u51fa\u529b\u3067\u304d\u3066\u3044\u306a\u304b\u3063\u305f\u3088\u3046\u3060\u3002<\/p>\n

\u4e00\u822c\u7684\u306a\u30ea\u30e2\u30b3\u30f3\u306e\u5468\u6ce2\u6570\u306f\u3060\u3044\u305f\u304438kHz\u3002\u3053\u306e\u5468\u6ce2\u6570\u306b\u3042\u308f\u305b\u3066LED\u3092\u660e\u6ec5\u3059\u308c\u3070\u30ea\u30e2\u30b3\u30f3\u3068\u3057\u3066\u6a5f\u80fd\u3059\u308b\u3002\u3044\u308d\u3044\u308d\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u304c\u3042\u308b\u304c\u3001NEC\u306e\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u304c\u5272\u3068\u63a1\u7528\u3055\u308c\u3066\u3044\u308b\u3002\u3053\u306eNEC\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3067\u306f\u3001duty\u6bd4\u306f1\/3\u306e\u3088\u3046\u3060\u3002<\/p>\n

\u3053\u306e\u66f8\u7c4d<\/a>\u306e\u30ea\u30e2\u30b3\u30f3\u306e\u30b3\u30fc\u30c9\u3092\u53c2\u8003\u306b\u3001\u4ee5\u4e0b\u306e\u69d8\u306a\u30b3\u30fc\u30c9\u3067\u518d\u73fe\u3057\u3088\u3046\u3068\u3057\u3066\u3044\u305f\u3002<\/p>\n

\n#define LED_PIN 15\ndigitalWrite(LED_PIN, HIGH);\ndelayMicroseconds(9);\ndigitalWrite(LED_PIN, LOW);\ndelayMicroseconds(13);\n<\/pre>\n
\u305d\u3082\u305d\u3082\u3001NEC\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u304c38kHz\u306a\u3089\u30011\u5468\u671f\u304c \u7d0426us \u306a\u306e\u3060\u304c\u3001\u30ba\u30ec\u304c\u6709\u308b\u3088\u3046\u306b\u898b\u3048\u308b\u304c…\u3002<\/p>\n
digitalWrite\u304c\u9045\u3044\uff1f<\/h2>\n
\u6700\u521d\u306fdigitalWrite\u304c\u9045\u3044\u306e\u3067\u306f\u306a\u3044\u304b\u3068\u8003\u3048\u3066\u3044\u305f\u3002
\n\u4e0a\u8a18\u306e\u66f8\u7c4d\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001\u5143\u3005\u306fbitSet<\/code>\u3092\u5229\u7528\u3057\u3066ATmega\u4e0a\u306e\u30e1\u30e2\u30ea\u3092\u76f4\u63a5\u64cd\u4f5c\u3059\u308b\u3053\u3068\u3067IO\u306e\u72b6\u614b\u3092\u64cd\u4f5c\u3057\u3066\u30ea\u30e2\u30b3\u30f3\u3092\u5b9f\u73fe\u3057\u3066\u3044\u305f\u3002\u3057\u304b\u3057\u3001Intel Edison\u306eArduino\u3067\u306fbitSet<\/code>\u81ea\u4f53\u304c\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u306a\u3044\u306e\u3067\u3001digitalWrite<\/code>\u3092\u4ee3\u308f\u308a\u306b\u5229\u7528\u3057\u3066\u5b9f\u88c5\u3057\u305f\u306e\u3067\u3001\u305d\u308c\u304c\u539f\u56e0\u3060\u3068\u8003\u3048\u3066\u3044\u305f\u3002<\/p>\n
Qiita\u306b\u3082\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u6295\u7a3f\u304c\u3042\u308adigitalWrite\u304c\u9045\u3044\u306e\u304b\u306a\u3068\u7591\u3063\u305f\u3002<\/p>\n
http:\/\/qiita.com\/yoneken\/items\/7b5e3e35d483a27726e1p<\/a><\/p>\n
\u5b9f\u969b\u306f\u3001Arduino\u306edigitalWrite\u306f\u9ad8\u901f\u306b\u52d5\u4f5c\u3059\u308b\u3088\u3046\u3060\u3002
\nhttps:\/\/communities.intel.com\/thread\/56516<\/a><\/p>\n
\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30b3\u30fc\u30c9\u3092\u66f8\u3044\u3066\u8a08\u6e2c\u3057\u3066\u307f\u305f<\/p>\n
\nvoid loop() {\n\n   Serial.println(&quot;Start&quot;);\n   signed long start_time = micros();\n   for(int i=0; i &lt; 10000; i++) {\n       digitalWrite(16,HIGH);\n       digitalWrite(16,LOW);\n   }\n   signed long delay = micros() - start_time;\n   Serial.println(delay\/10000.0);\n   Serial.println(&quot;End&quot;);\n\n}\n<\/pre>\n
\u7d50\u679c\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u611f\u3058\u306b\u306a\u3063\u305f<\/p>\n
\nStart\n0.70\nEnd\nStart\n0.70\nEnd\nStart\n0.71\nEnd\n<\/pre>\n
\u5927\u4f530.7us\u7a0b\u5ea6\u3067on\/off\u51fa\u6765\u308b\u3088\u3046\u3060\u3002
\n\u3068\u3044\u3046\u308f\u3051\u3067\u3001digitalWrite<\/code>\u3092\u7591\u3063\u3066\u307f\u305f\u304c\u5916\u308c\u3066\u3057\u307e\u3063\u305f\u3002<\/p>\n
delayMicroseconds \u3092\u7591\u3063\u3066\u307f\u308b<\/h1>\n
digitalWrite\u306f\u5341\u5206\u306b\u9ad8\u901f\u306e\u3088\u3046\u306a\u306e\u3067\u3001\u3058\u3083\u3042\u5b9f\u306f\u5168\u4f53\u306e\u901f\u5ea6\u306f\u554f\u984c\u306a\u304f\u3066\u8d64\u5916\u7ddaLED\u306e\u7279\u6027\u3068\u304b\u51fa\u529b\u3068\u304b\u306e\u554f\u984c\u304b\u306a\u3041\u3068\u8003\u3048\u59cb\u3081\u305f\u3002<\/p>\n
\u305d\u306e\u307e\u3048\u306b\u3001\u5ff5\u306e\u305f\u30811\u5468\u671f\u304c\u6b63\u3057\u304f\u8868\u73fe\u3067\u304d\u3066\u308b\u304b\u3092\u78ba\u8a8d\u3057\u3066\u307f\u308b\u3053\u3068\u306b\u3057\u305f\u3002
\n\u4ee5\u4e0b\u306e\u69d8\u306a\u30b3\u30fc\u30c9\u3067\u5b9f\u9a13\u3057\u3066\u307f\u305f\u3002<\/p>\n
\nvoid loop() {\n\n   Serial.println(&quot;Start&quot;);\n   signed long start_time = micros();\n   for(int i=0; i &lt; 10000; i++) {\n       digitalWrite(16,HIGH);\n       delayMicroseconds(9);\n       digitalWrite(16,LOW);\n       delayMicroseconds(13);\n   }\n   signed long delay = micros() - start_time;\n   Serial.println(delay\/10000.0);\n   Serial.println(&quot;End&quot;);\n\n   }\n<\/pre>\n
\u5b9f\u884c\u7d50\u679c<\/p>\n
Start\n209.38\nEnd\nStart\n211.08\nEnd\nStart\n210.22\nEnd\n<\/pre>\n
\u307e\u3055\u304b\u306e\u30ba\u30ec\u3002
\n26 us \u304c 210 us\u3068\u304b\u306b\u306a\u3063\u3066\u3044\u308b\u3068\u306f…\u3002<\/p>\n
\nvoid loop() {\n\n   Serial.println(&quot;Start&quot;);\n   signed long start_time = micros();\n   for(int i=0; i &lt; 10000; i++) {\n       delayMicroseconds(1);\n   }\n   signed long delay = micros() - start_time;\n   Serial.println(delay\/10000.0);\n   Serial.println(&quot;End&quot;);\n\n   }\n<\/pre>\n
\u3053\u3093\u306a\u30b3\u30fc\u30c9\u3067\u6e2c\u5b9a\u3057\u3066\u307f\u308b\u3068<\/p>\n
\nStart\n93.36\nEnd\nStart\n93.39\nEnd\nStart\n93.11\nEnd\n<\/pre>\n
\u72af\u4eba\u306f\u3069\u3046\u307f\u3066\u3082\u3001delayMicroseconds<\/code>\u3067\u3059\u3002
\n\u5168\u304f\u3042\u3066\u306b\u306a\u3089\u306a\u3044\u7cbe\u5ea6\u3067\u3059\u306d\u3002<\/p>\n
\u81ea\u4f5c\u306ewait\u95a2\u6570\u3092\u4f5c\u3063\u3066\u307f\u308b<\/h2>\n
\u30b9\u30b1\u30c3\u30c1\u306f\u3001Intel Edison\u4e0a\u306eLinux\u4e0a\u306e1\u30d7\u30ed\u30bb\u30b9\u3068\u3057\u3066\u52d5\u4f5c\u3057\u3066\u3044\u308b\u306e\u3067delayMicroseconds\u304c\u547c\u3073\u51fa\u3055\u308c\u308b\u3068\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u30b9\u30a4\u30c3\u30c1\u304c\u767a\u751f\u3057\u3066\u3001\u5927\u5e45\u306b\u305a\u308c\u304c\u767a\u751f\u3057\u3066\u3044\u308b\u306e\u3060\u308d\u3046\u3002<\/p>\n
\u305d\u3053\u3067\u3001busyWait\u3092\u4f7f\u3063\u305f\u6642\u9593\u8abf\u6574\u95a2\u6570\u3092\u9069\u5f53\u306b\u4f5c\u3063\u3066\u307f\u3066\u3001\u8abf\u6574\u3057\u3066\u307f\u308b\u3002\u307e\u305f\u3001digitalWrite<\/code>\u304c\u5341\u5206\u306b\u901f\u5ea6\u304c\u3042\u308b\u306e\u3067\u3001\u6642\u9593\u306e\u8a2d\u5b9a\u3082\u5909\u3048\u3066\u307f\u3066\u518d\u5ea6\u6e2c\u5b9a\u3057\u3066\u307f\u308b\u3002<\/p>\n
\nvoid wait(signed long wait_time) {\n   signed long start_time = micros();\n   while ( micros() - start_time < wait_time) {};\n}\nvoid loop() {\n\n   Serial.println(\"Start\");\n   signed long start_time = micros();\n   for(int i=0; i < 10000; i++) {\n       digitalWrite(16,HIGH);\n       digitalWrite(16,LOW);\n   }\n   signed long delay = micros() - start_time;\n   Serial.println(delay\/10000.0);\n   Serial.println(\"End\");\n   \n}\n<\/pre>\n
\u8a08\u6e2c\u7d50\u679c\u306f<\/p>\n
\nStart\n26.32\nEnd\nStart\n26.25\nEnd\nStart\n26.27\nEnd\n<\/pre>\n
\u304b\u306a\u308a\u826f\u3044\u7cbe\u5ea6\u306b\u306a\u3063\u305f\u3002<\/p>\n
\u30ea\u30e2\u30b3\u30f3\u3068\u3057\u3066\u306f\uff1f<\/h2>\n
\u30bf\u30a4\u30df\u30f3\u30b0\u306e\u5236\u5fa1\u306b\u4e0a\u8a18\u306ewait\u95a2\u6570\u3092\u5229\u7528\u3059\u308b\u3088\u3046\u306b\u3057\u305f\u3089\u3001\u3046\u307e\u304f\u52d5\u4f5c\u3059\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u3002<\/p>\n
\u7d50\u8ad6<\/h2>\n
Intel Edison\u3067\u6642\u9593\u306e\u5236\u5fa1\u304c\u5fc5\u8981\u305d\u3046\u306a\u3082\u306e\u3092\u4f5c\u308b\u3068\u304d\u306b\u306fdelayMicroseconds<\/code>\u3092\u4f7f\u3063\u3066\u5236\u5fa1\u3057\u3066\u306f\u306a\u3089\u306a\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
Intel Edison for Arduino \u306e delayMicroseconds \u306e\u7cbe\u5ea6\u304c\u60aa\u3044\u4ef6 Edison\u3067\u8d64\u5916\u7ddaLED\u3092\u3064\u304b\u3063\u3066\u30ea\u30e2\u30b3\u30f3\u3092\u4f5c\u3063\u3066\u3044\u308b\u304c\u3001\u3069\u3046\u306b\u3082\u3046\u307e\u304f\u884c\u304b\u306a\u3044\u3002 \u8abf\u3079\u305f\u7d50\u679c\u3001delayMic\u2026 \u7d9a\u304d\u3092\u8aad\u3080 »<\/a><\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[1],"tags":[],"class_list":["post-184","post","type-post","status-publish","format-standard","hentry","category-1"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p4wwqG-2Y","_links":{"self":[{"href":"https:\/\/light-of-moe.ddo.jp\/~sakura\/diary\/index.php?rest_route=\/wp\/v2\/posts\/184","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/light-of-moe.ddo.jp\/~sakura\/diary\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/light-of-moe.ddo.jp\/~sakura\/diary\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/light-of-moe.ddo.jp\/~sakura\/diary\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/light-of-moe.ddo.jp\/~sakura\/diary\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=184"}],"version-history":[{"count":16,"href":"https:\/\/light-of-moe.ddo.jp\/~sakura\/diary\/index.php?rest_route=\/wp\/v2\/posts\/184\/revisions"}],"predecessor-version":[{"id":200,"href":"https:\/\/light-of-moe.ddo.jp\/~sakura\/diary\/index.php?rest_route=\/wp\/v2\/posts\/184\/revisions\/200"}],"wp:attachment":[{"href":"https:\/\/light-of-moe.ddo.jp\/~sakura\/diary\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=184"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/light-of-moe.ddo.jp\/~sakura\/diary\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=184"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/light-of-moe.ddo.jp\/~sakura\/diary\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=184"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}