{"id":504,"date":"2018-03-26T13:11:58","date_gmt":"2018-03-26T04:11:58","guid":{"rendered":"http:\/\/seedslight.com\/wp\/?p=504"},"modified":"2018-03-26T13:11:58","modified_gmt":"2018-03-26T04:11:58","slug":"rfid%e3%81%ae%e7%89%b9%e5%ae%9a%e3%81%ae%e9%a0%98%e5%9f%9f%e3%82%92%e8%aa%ad%e3%81%bf%e5%8f%96%e3%82%8b%ef%bc%88%e3%82%b7%e3%83%a0%e3%82%b7%e3%83%a0%e3%81%aearduino%e3%82%b9%e3%82%b1%e3%83%83%e3%83%81","status":"publish","type":"post","link":"https:\/\/seedslight.com\/wp\/archives\/504","title":{"rendered":"RFID\u306e\u7279\u5b9a\u306e\u9818\u57df\u3092\u8aad\u307f\u53d6\u308b\uff08\u30b7\u30e0\u30b7\u30e0\u306eArduino\u30b9\u30b1\u30c3\u30c1\u8a73\u7d30\uff09"},"content":{"rendered":"<h1>RFID\u306e\u7279\u5b9a\u306e\u9818\u57df\u3092\u8aad\u307f\u53d6\u308b<\/h1>\n<p>RFID\u30bf\u30b0\u306e\u7279\u5b9a\u306e\u9818\u57df\u306f\u81ea\u7531\u306a\u5024\u3092\u8aad\u307f\u66f8\u304d\u3067\u304d\u308b\u306e\u3067\u3001\u3053\u308c\u3092\u8aad\u307f\u53d6\u3063\u3066\u7279\u5b9a\u306e\u6587\u8a00\u304c\u5165\u3063\u3066\u3044\u308c\u3070\u958b\u9320\u3059\u308b\u3068\u3044\u3046\u3001\u9375\u3068\u3057\u3066\u5229\u7528\u3067\u304d\u308bRFID\u30bf\u30b0\u306e\u5224\u5225\u306b\u5229\u7528\u3057\u305f\u3002<br \/>\n\u6700\u521d\u306fRFID\u306eUID\u3092\u5229\u7528\u3057\u3066\u958b\u9320\u3057\u3066\u3044\u305f\u306e\u3060\u304c\u3001UID\u306e\u8907\u88fd\u3092\u3059\u308b\u306b\u306f\u7279\u6b8a\u306aRFID\u30bf\u30b0\u304c\u5fc5\u8981\u3067\u3001\u30b3\u30b9\u30c8\u306f2000\u5186\u4ee5\u4e0a\u3059\u308b\u3082\u306e\u3060\u3063\u305f\u306e\u3067\u3001\u65ad\u5ff5\u3057\u305f\u3002<\/p>\n<p>\u3082\u3068\u3082\u3068\u3001\u9632\u72af\u76ee\u7684\u3067\u306f\u306a\u3044\u306e\u3067\u3001\u3044\u304f\u3089\u3067\u3082\u8907\u88fd\u53ef\u80fd\u306a\u3053\u3068\u306e\u307b\u3046\u304c\u30e1\u30ea\u30c3\u30c8\u3042\u308b\u3002<br \/>\n\u3082\u3057\u3001\u9375\u3092\u76d7\u96e3\u3055\u308c\u3066\u554f\u984c\u304c\u767a\u751f\u3057\u305f\u306e\u306a\u3089\u3001\u5185\u90e8\u306e\u5224\u5b9a\u6587\u8a00\u3092\u5909\u3048\u3066\u3001\u9375\u3082\u66f8\u304d\u63db\u3048\u308c\u3070\u3088\u3044\u3060\u3051\u306e\u3053\u3068\u3002<\/p>\n<pre lang=\"c\" escaped=\"true\">\r\n  MFRC522::PICC_Type piccType = rfid.PICC_GetType(rfid.uid.sak);\r\n\r\n  \/\/ \u8a8d\u8a3c\u7528\r\n  \/\/ Prepare key - all keys are set to FFFFFFFFFFFFh at chip delivery from the factory.\r\n  for (byte i = 0; i < 6; i++) key.keyByte[i] = 0xFF;\r\n  \r\n  byte block;\r\n  MFRC522::StatusCode status;\r\n  byte len;\r\n\r\n  \/\/ Check is the PICC of Classic MIFARE type\r\n  if (piccType != MFRC522::PICC_TYPE_MIFARE_MINI &#038;&#038;  \r\n    piccType != MFRC522::PICC_TYPE_MIFARE_1K &#038;&#038;\r\n    piccType != MFRC522::PICC_TYPE_MIFARE_4K) {\r\n    \/\/Serial.println(F(\"Your tag is not of type MIFARE Classic.\"));\r\n    return;\r\n  }\r\n\r\n  block = 1;\r\n  \/\/Serial.println(F(\"Authenticating using key A...\"));\r\n  status = rfid.PCD_Authenticate(MFRC522::PICC_CMD_MF_AUTH_KEY_A, block, &#038;key, &#038;(rfid.uid));\r\n  if (status != MFRC522::STATUS_OK) {\r\n    \/\/Serial.print(F(\"PCD_Authenticate() failed: \"));\r\n    \/\/Serial.println(rfid.GetStatusCodeName(status));\r\n    return;\r\n  }\r\n  \/\/ else Serial.println(F(\"PCD_Authenticate() success: \"));\r\n\r\n  \/\/ RFID\u306e1block\u3092\u8aad\u307f\u53d6\u308b\u305f\u3081\u306b\u5927\u304d\u3044\u914d\u5217\u3092\u5b9a\u7fa9\u300216+2\r\n  byte buffer_read[18];\r\n  char buffer_char[18];\r\n  status = rfid.MIFARE_Read(block, buffer_read, &#038;len);\r\n  if (status != MFRC522::STATUS_OK) {\r\n    \/\/Serial.print(F(\"Reading failed: \"));\r\n    \/\/Serial.println(rfid.GetStatusCodeName(status));\r\n    return;\r\n  }\r\n\r\n  \/\/ byte\u578b\u3092char\u578b\u306b\u5909\u63db\u3057\u3066String\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u4f5c\u6210\r\n  strcpy((char *)buffer_char,buffer_read);\r\n  String get_string = String(buffer_char);\r\n\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>RFID\u306e\u7279\u5b9a\u306e\u9818\u57df\u3092\u8aad\u307f\u53d6\u308b RFID\u30bf\u30b0\u306e\u7279\u5b9a\u306e\u9818\u57df\u306f\u81ea\u7531\u306a\u5024\u3092\u8aad\u307f\u66f8\u304d\u3067\u304d\u308b\u306e\u3067\u3001\u3053\u308c\u3092\u8aad\u307f\u53d6\u3063\u3066\u7279\u5b9a\u306e\u6587\u8a00\u304c\u5165\u3063\u3066\u3044\u308c\u3070\u958b\u9320\u3059\u308b\u3068\u3044\u3046\u3001\u9375\u3068\u3057\u3066\u5229\u7528\u3067\u304d\u308bRFID\u30bf\u30b0\u306e\u5224\u5225\u306b\u5229\u7528\u3057\u305f\u3002 \u6700\u521d\u306fRFID\u306eUID\u3092\u5229 [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[113,111],"tags":[114,112],"class_list":["post-504","post","type-post","status-publish","format-standard","hentry","category-arduino","category-111","tag-arduino","tag-112"],"_links":{"self":[{"href":"https:\/\/seedslight.com\/wp\/wp-json\/wp\/v2\/posts\/504","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/seedslight.com\/wp\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/seedslight.com\/wp\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/seedslight.com\/wp\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/seedslight.com\/wp\/wp-json\/wp\/v2\/comments?post=504"}],"version-history":[{"count":0,"href":"https:\/\/seedslight.com\/wp\/wp-json\/wp\/v2\/posts\/504\/revisions"}],"wp:attachment":[{"href":"https:\/\/seedslight.com\/wp\/wp-json\/wp\/v2\/media?parent=504"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/seedslight.com\/wp\/wp-json\/wp\/v2\/categories?post=504"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/seedslight.com\/wp\/wp-json\/wp\/v2\/tags?post=504"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}