{"id":650,"date":"2022-11-23T17:53:30","date_gmt":"2022-11-23T09:53:30","guid":{"rendered":"http:\/\/wordpress.loc\/?p=650"},"modified":"2022-11-23T17:54:03","modified_gmt":"2022-11-23T09:54:03","slug":"esp32_ch2-5","status":"publish","type":"post","link":"https:\/\/www.nmking.io\/index.php\/2022\/11\/23\/650\/","title":{"rendered":"ESP32-CAM \u4f7f\u7528\u5167\u5efa\u7684SD card\u53ca\u6e2c\u8a66"},"content":{"rendered":"\n

\u5047\u8a2d\u4f60\u6709\u4e00\u500bESP32-CAM\uff0c\u4f46\u662f\u4f60\u53ef\u80fd\u66ab\u6642\u7528\u4e0d\u5230CAM\u7684\u90e8\u4efd\uff0c\u800c\u8981\u7528\u5167\u5efa\u7684SDcard (\u4ee5\u4e0b\u7c21\u7a31TF)\u4f86\u7d00\u9304\u6eab\u6fd5\u5ea6\u7b49\u8cc7\u8a0a\uff0c\u53ef\u4ee5\u53c3\u8003\u672c\u7bc7\u6587\u7ae0<\/p><\/blockquote><\/figure>\n\n\n\n

<\/div>\n\n\n\n

\u6211\u7684ESP32\u5be6\u505a\u66f8\u7c4d\uff1a\u6211\u51fa\u66f8\u4e86 ESP32 \u7269\u806f\u7db2\u5c08\u984c<\/a>
\u535a\u5ba2\u4f86\u7db2\u5740\uff1ahttps:\/\/www.books.com.tw\/products\/0010901195<\/a><\/p>\n\n\n\n

\n\n\n\n
<\/div>\n\n\n\n

\u5047\u8a2d\u4f60\u6709\u4e00\u500bESP32-CAM\uff0c\u4f46\u662f\u4f60\u53ef\u80fd\u66ab\u6642\u7528\u4e0d\u5230CAM\u7684\u90e8\u4efd\uff0c\u800c\u8981\u7528\u5167\u5efa\u7684SDcard (\u4ee5\u4e0b\u7c21\u7a31TF)\u4f86\u7d00\u9304\u6eab\u6fd5\u5ea6\u7b49\u8cc7\u8a0a\uff0c\u53ef\u4ee5\u53c3\u8003\u672c\u7bc7\u6587\u7ae0<\/p>\n\n\n\n

\"\"
ESP32-CAM\u529f\u80fd\u4f4d\u7f6e\u5716<\/figcaption><\/figure>\n\n\n\n

\u53e6\u5916\u4f7f\u7528\u672c\u516c\u53f8\u6240\u958b\u767c\u7684Matrix\u677f\uff0c\u5176TF\u5361\u4e00\u6a23\u4f7f\u7528SPI\uff0c\u5b8c\u5168\u53ef\u4ee5\u76f8\u901a\u3002<\/p>\n\n\n\n

\"\"\/
\u672c\u516c\u53f8\u958b\u767c\u7684Matrix\u7248<\/figcaption><\/figure>\n\n\n\n

\u9996\u5148\u6e96\u5099\u4e00\u5f35TF\u5361\uff0c\u6e2c\u8a66\u904e\u53ef\u8b80\u53d632G\u4ee5\u4e0b\u7684\u8a18\u61b6\u5361\uff0c64G\u8b80\u4e0d\u5230\uff0c\u653e\u5165\u5361\u69fd\u4e4b\u5f8c\uff0c\u57f7\u884c\u4ee5\u4e0b\u539f\u59cb\u6a94\uff0c\u9032\u884c\u8b80\u5beb\u6e2c\u8a66<\/p>\n\n\n\n

\u672c\u539f\u59cb\u6a94\u5305\u542b\u4ee5\u4e0b\u5e7e\u500b\u526f\u7a0b\u5f0f\uff0c\u529f\u80fd\u5217\u8868\u5982\u4e0b\uff0c\u8acb\u6ce8\u610f\u7684\u662f\u300c\/\u300d\u4ee3\u8868\u6839\u76ee\u9304\uff0c\u4e0d\u53ef\u7701\u7565\uff1a<\/p>\n\n\n\n

\u51fd\u6578<\/th>\u529f\u80fd<\/th><\/tr><\/thead>
listDir(SD_MMC, “\/”, 0);<\/td>\u5217\u51faSD\u5361\u4e2d\u7684\u6240\u6709\u76ee\u9304<\/td><\/tr>
createDir(SD_MMC, “\/mydir”);<\/td>\u5efa\u7acb\u4e00\u500b\u540d\u7a31\u70bamydir\u7684\u76ee\u9304<\/td><\/tr>
removeDir(SD_MMC, “\/mydir”);<\/td>\u522a\u9664\u4e00\u500b\u540d\u7a31\u70bamydir\u7684\u76ee\u9304<\/td><\/tr>
writeFile(SD_MMC, “\/hello.txt”, “Hello “);<\/td>\u5728hello.txt\u4e2d\u5beb\u5165”Hello”<\/td><\/tr>
appendFile(SD_MMC, “\/hello.txt”, “World!\\n”);<\/td>\u5728hello.txt\u4e2d\u9644\u52a0”World!\\n”<\/td><\/tr>
readFile(SD_MMC, “\/hello.txt”);<\/td>\u8b80\u53d6hello.txt\u4e26\u986f\u793a<\/td><\/tr>
renameFile(SD_MMC, “\/hello.txt”, “\/foo.txt”);<\/td>\u66f4\u540dhello.txt->foo.txt\u6a94\u6848<\/td><\/tr>
deleteFile(SD_MMC, “\/foo.txt”);<\/td>\u522a\u9664foo.txt<\/td><\/tr>
testFileIO(SD_MMC, “\/test.txt”);<\/td>\u6e2c\u8a66\u57f7\u884c\u6548\u7387<\/td><\/tr><\/tbody><\/table>
\u526f\u7a0b\u5f0f\u529f\u80fd\u5217\u8868<\/figcaption><\/figure>\n\n\n\n

\u539f\u59cb\u78bc\u5982\u4e0b<\/p>\n\n\n\n