{"id":628,"date":"2014-03-05T16:11:05","date_gmt":"2014-03-05T07:11:05","guid":{"rendered":"http:\/\/rur.mech.tuat.ac.jp\/robotbot\/?p=628"},"modified":"2017-06-12T21:38:07","modified_gmt":"2017-06-12T12:38:07","slug":"stm32f3%e3%81%a7%e3%81%aespi%e9%80%9a%e4%bf%a1","status":"publish","type":"post","link":"https:\/\/rur.mech.tuat.ac.jp\/robotbot\/archives\/628","title":{"rendered":"STM32F3\u3067\u306eSPI\u901a\u4fe1"},"content":{"rendered":"<p>3\u5e74\u7db1\u3067\u3059\u3002<\/p>\n<p>\u4ee5\u524d\u3001STM32F3\u30de\u30a4\u30b3\u30f3\u3067SPI\u901a\u4fe1\u3057\u3088\u3046\u3068\u3057\u305f\u6642\u306b\u8a70\u307e\u3063\u305f\u306e\u3067\u3001\u5bfe\u51e6\u65b9\u6cd5\u3092\u66f8\u3044\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>STM32F3\u3067SD\u30ab\u30fc\u30c9\u3092\u4f7f\u3046\u305f\u3081\u306b\u3001SPI\u901a\u4fe1\u3092\u8a66\u307f\u305f\u3068\u3053\u308d\u3001\u5168\u304f\u901a\u4fe1\u3067\u304d\u307e\u305b\u3093\u3067\u3057\u305f\u3002<\/p>\n<p>\u4ed6\u306e\u30de\u30a4\u30b3\u30f3\uff08STM32F1\u3084STM32F4\uff09\u3067\u52d5\u4f5c\u3057\u3066\u3044\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u304b\u3089\u79fb\u690d\u3057\u305f\u3082\u306e\u3067\u3001\u539f\u56e0\u304c\u5168\u304f\u308f\u304b\u308a\u307e\u305b\u3093\u3067\u3057\u305f\u3002<\/p>\n<p>\u8abf\u3079\u305f\u3068\u3053\u308d\u3001SPI\u901a\u4fe1\u306e\u53d7\u4fe1\u5b8c\u4e86\u3092\u793a\u3059\u300cRXNE(RX Not Empty)\u300d\u30d5\u30e9\u30b0\u304c\u7acb\u305f\u305a\u3001\u901a\u4fe1\u304c\u5b8c\u4e86\u3057\u3066\u3044\u307e\u305b\u3093\u3067\u3057\u305f\u3002\u3053\u306e\u30d5\u30e9\u30b0\u3092\u7121\u8996\u3057\u3001\u30bf\u30a4\u30df\u30f3\u30b0\u6c7a\u3081\u6253\u3061\u3067\u901a\u4fe1\u3057\u3066\u307f\u308b\u3068\u3001\u901a\u4fe1\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u30de\u30cb\u30e5\u30a2\u30eb\u3092\u8aad\u307f\u306a\u304c\u3089\u539f\u56e0\u3092\u8abf\u3079\u3066\u3044\u304f\u3068\u3001SPI\u306eFIFO\u30a4\u30d9\u30f3\u30c8\u306e\u767a\u751f\u6761\u4ef6\u3092\u6c7a\u3081\u308b\u300cCR2_FRXTH\u300d\u30ec\u30b8\u30b9\u30bf\u304c\u300116bit\u901a\u4fe1\u3067\u52d5\u4f5c\u3059\u308b\u3088\u3046\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u3002SD\u306f8bit\u901a\u4fe1\u306a\u306e\u3067\u3001FIFO\u30a4\u30d9\u30f3\u30c8\u304c\u767a\u751f\u305b\u305a\u3001\u901a\u4fe1\u5b8c\u4e86\u3067\u304d\u306a\u304b\u3063\u305f\u3088\u3046\u3067\u3059\u3002<\/p><div class=\"oowdk6a1aa9230a61d\" ><script type=\"text\/javascript\">var a8mat='2BNJO7+5K1O1E+348+BDDNL';<\/script>\r\n<script type=\"text\/javascript\" src=\"\/\/rot3.a8.net\/sbr\/sb.js\"><\/script><\/div><style type=\"text\/css\">\r\n.oowdk6a1aa9230a61d {\r\nmargin: 5px; padding: 0px;\r\n}\r\n@media screen and (min-width: 1201px) {\r\n.oowdk6a1aa9230a61d {\r\ndisplay: block;\r\n}\r\n}\r\n@media screen and (min-width: 993px) and (max-width: 1200px) {\r\n.oowdk6a1aa9230a61d {\r\ndisplay: block;\r\n}\r\n}\r\n@media screen and (min-width: 769px) and (max-width: 992px) {\r\n.oowdk6a1aa9230a61d {\r\ndisplay: block;\r\n}\r\n}\r\n@media screen and (min-width: 768px) and (max-width: 768px) {\r\n.oowdk6a1aa9230a61d {\r\ndisplay: block;\r\n}\r\n}\r\n@media screen and (max-width: 767px) {\r\n.oowdk6a1aa9230a61d {\r\ndisplay: block;\r\n}\r\n}\r\n<\/style>\r\n\n<p>SPI\u306e\u521d\u671f\u5316\u6642\u306b\u3001\u901a\u4fe1\u65b9\u5f0f\u3092\u9078\u3076\u306e\u3067\u3059\u304c\u3001\u305d\u3053\u3067\u306f\u3053\u306e\u30ec\u30b8\u30b9\u30bf\u306f\u5909\u5316\u3057\u306a\u3044\u3088\u3046\u3067\u3059\u3002\u5225\u306e\u95a2\u6570\u3092\u4f7f\u3046\u304b\u3001\u30ec\u30b8\u30b9\u30bf\u3092\u76f4\u63a5\u5f04\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u300cCR2_FRXTH\u300d\u30ec\u30b8\u30b9\u30bf\u304c0\u3060\u306816bit\u30011\u3060\u30688bit\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u521d\u671f\u5316\u76f4\u5f8c\u306b\u3001<\/p>\n<blockquote><p>SPIMMC-&gt;CR2 |= SPI_CR2_FRXTH;<\/p><\/blockquote>\n<p>\u53c8\u306f<\/p>\n<blockquote><p>SPI_RxFIFOThresholdConfig(SPIx, SPI_RxFIFOThreshold_QF);<\/p><\/blockquote>\n<p>\u3068\u8a18\u8ff0\u3059\u308b\u3053\u3068\u3067\u30018bit\u306b\u8a2d\u5b9a\u3067\u304d\u307e\u3059\u3002<\/p>\n<div class=\"mwnjt6a1aa9230a6a8\" ><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script>\r\n<!-- robotbot2 -->\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:inline-block;width:336px;height:280px\"\r\n     data-ad-client=\"ca-pub-8693047032867426\"\r\n     data-ad-slot=\"8870726594\"><\/ins>\r\n<script>\r\n(adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script><\/div><style type=\"text\/css\">\r\n.mwnjt6a1aa9230a6a8 {\r\nmargin: 5px; padding: 0px;\r\n}\r\n@media screen and (min-width: 1201px) {\r\n.mwnjt6a1aa9230a6a8 {\r\ndisplay: block;\r\n}\r\n}\r\n@media screen and (min-width: 993px) and (max-width: 1200px) {\r\n.mwnjt6a1aa9230a6a8 {\r\ndisplay: block;\r\n}\r\n}\r\n@media screen and (min-width: 769px) and (max-width: 992px) {\r\n.mwnjt6a1aa9230a6a8 {\r\ndisplay: block;\r\n}\r\n}\r\n@media screen and (min-width: 768px) and (max-width: 768px) {\r\n.mwnjt6a1aa9230a6a8 {\r\ndisplay: block;\r\n}\r\n}\r\n@media screen and (max-width: 767px) {\r\n.mwnjt6a1aa9230a6a8 {\r\ndisplay: block;\r\n}\r\n}\r\n<\/style>\r\n","protected":false},"excerpt":{"rendered":"<p>3\u5e74\u7db1\u3067\u3059\u3002 \u4ee5\u524d\u3001STM32F3\u30de\u30a4\u30b3\u30f3\u3067SPI\u901a\u4fe1\u3057\u3088\u3046\u3068\u3057\u305f\u6642\u306b\u8a70\u307e\u3063\u305f\u306e <a class=\"more-link\" href=\"https:\/\/rur.mech.tuat.ac.jp\/robotbot\/archives\/628\">\u7d9a\u304d\u3092\u8aad\u3080 <span class=\"screen-reader-text\">  STM32F3\u3067\u306eSPI\u901a\u4fe1<\/span><span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13,22],"tags":[34,30,33,31,32,26],"_links":{"self":[{"href":"https:\/\/rur.mech.tuat.ac.jp\/robotbot\/wp-json\/wp\/v2\/posts\/628"}],"collection":[{"href":"https:\/\/rur.mech.tuat.ac.jp\/robotbot\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rur.mech.tuat.ac.jp\/robotbot\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rur.mech.tuat.ac.jp\/robotbot\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/rur.mech.tuat.ac.jp\/robotbot\/wp-json\/wp\/v2\/comments?post=628"}],"version-history":[{"count":1,"href":"https:\/\/rur.mech.tuat.ac.jp\/robotbot\/wp-json\/wp\/v2\/posts\/628\/revisions"}],"predecessor-version":[{"id":630,"href":"https:\/\/rur.mech.tuat.ac.jp\/robotbot\/wp-json\/wp\/v2\/posts\/628\/revisions\/630"}],"wp:attachment":[{"href":"https:\/\/rur.mech.tuat.ac.jp\/robotbot\/wp-json\/wp\/v2\/media?parent=628"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rur.mech.tuat.ac.jp\/robotbot\/wp-json\/wp\/v2\/categories?post=628"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rur.mech.tuat.ac.jp\/robotbot\/wp-json\/wp\/v2\/tags?post=628"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}