{"id":17756,"date":"2024-11-18T17:38:50","date_gmt":"2024-11-18T09:38:50","guid":{"rendered":"https:\/\/fwq.ai\/blog\/17756\/"},"modified":"2024-11-18T17:38:50","modified_gmt":"2024-11-18T09:38:50","slug":"%e4%ba%86%e8%a7%a3embedded-linux%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/17756\/","title":{"rendered":"\u4e86\u89e3Embedded Linux\u7684\u57fa\u672c\u6982\u5ff5"},"content":{"rendered":"

\"\u4e86\u89e3Embedded<\/p>\n

\u5d4c\u5165\u5f0f Linux \u662f\u4e00\u79cd\u5728\u5d4c\u5165\u5f0f\u7cfb\u7edf\u4e2d\u8fd0\u884c\u7684 Linux \u64cd\u4f5c\u7cfb\u7edf\uff0c\u5b83\u5177\u6709\u5f00\u6e90\u548c\u53ef\u5b9a\u5236\u7684\u7279\u70b9\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5404\u79cd\u5d4c\u5165\u5f0f\u8bbe\u5907\u4e2d\u3002\u4e86\u89e3 Embedded Linux \u7684\u57fa\u672c\u6982\u5ff5\u5bf9\u4e8e\u4ece\u4e8b\u5d4c\u5165\u5f0f\u5f00\u53d1\u5de5\u4f5c\u7684\u4eba\u5458\u975e\u5e38\u91cd\u8981\uff0c\u672c\u6587\u5c06\u4ece\u57fa\u672c\u6982\u5ff5\u5165\u624b\uff0c\u7ed3\u5408\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u6765\u4ecb\u7ecd Embedded Linux \u7684\u76f8\u5173\u77e5\u8bc6\u3002<\/p>\n

Embedded Linux \u7684\u57fa\u672c\u6982\u5ff5<\/h3>\n
    \n
  1. \u5185\u6838<\/strong>\uff1aLinux \u5185\u6838\u662f Embedded Linux \u7684\u6838\u5fc3\u90e8\u5206\uff0c\u5b83\u7ba1\u7406\u786c\u4ef6\u8d44\u6e90\u3001\u63d0\u4f9b\u7cfb\u7edf\u8c03\u7528\u63a5\u53e3\uff0c\u5e76\u8d1f\u8d23\u8c03\u5ea6\u548c\u7ba1\u7406\u7cfb\u7edf\u8d44\u6e90\u3002\u5d4c\u5165\u5f0f\u8bbe\u5907\u7684\u786c\u4ef6\u652f\u6301\u548c\u529f\u80fd\u5b9e\u73b0\u90fd\u4f9d\u8d56\u4e8e Linux \u5185\u6838\u3002<\/li>\n
  2. \u6587\u4ef6\u7cfb\u7edf<\/strong>\uff1a\u6587\u4ef6\u7cfb\u7edf\u662f\u5d4c\u5165\u5f0f\u7cfb\u7edf\u4e2d\u5b58\u50a8\u548c\u7ba1\u7406\u6587\u4ef6\u7684\u7ec4\u7ec7\u7ed3\u6784\uff0c\u5e38\u89c1\u7684 Embedded Linux \u6587\u4ef6\u7cfb\u7edf\u5305\u62ec Ext2\/Ext3\/Ext4\u3001JFFS2\u3001UBIFS \u7b49\u3002\u6587\u4ef6\u7cfb\u7edf\u7684\u9009\u62e9\u4e0e\u5d4c\u5165\u5f0f\u8bbe\u5907\u7684\u5b58\u50a8\u5668\u7c7b\u578b\u548c\u9700\u6c42\u76f8\u5173\u3002<\/li>\n
  3. \u8bbe\u5907\u9a71\u52a8<\/strong>\uff1a\u8bbe\u5907\u9a71\u52a8\u662f\u5b9e\u73b0\u786c\u4ef6\u4e0e\u8f6f\u4ef6\u4e4b\u95f4\u4ea4\u4e92\u7684\u91cd\u8981\u90e8\u5206\uff0c\u5305\u62ec\u5b57\u7b26\u8bbe\u5907\u9a71\u52a8\u3001\u5757\u8bbe\u5907\u9a71\u52a8\u3001\u7f51\u7edc\u9a71\u52a8\u7b49\u3002\u7f16\u5199\u8bbe\u5907\u9a71\u52a8\u9700\u8981\u6df1\u5165\u4e86\u89e3\u786c\u4ef6\u8bbe\u5907\u7684\u5de5\u4f5c\u539f\u7406\u548c\u5bc4\u5b58\u5668\u64cd\u4f5c\u3002<\/li>\n
  4. \u7528\u6237\u7a7a\u95f4\u5de5\u5177<\/strong>\uff1a\u7528\u6237\u7a7a\u95f4\u5de5\u5177\u662f\u5728\u7528\u6237\u7a7a\u95f4\u8fd0\u884c\u7684\u7a0b\u5e8f\uff0c\u7528\u4e8e\u914d\u7f6e\u7cfb\u7edf\u3001\u76d1\u63a7\u7cfb\u7edf\u6027\u80fd\u3001\u8fdb\u884c\u5e94\u7528\u5f00\u53d1\u7b49\u3002\u5e38\u89c1\u7684\u7528\u6237\u7a7a\u95f4\u5de5\u5177\u5305\u62ec busybox\u3001sysfsutils\u3001top \u7b49\u3002<\/li>\n<\/ol>\n

    Embedded Linux \u7684\u4ee3\u7801\u793a\u4f8b<\/h3>\n

    \u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u901a\u8fc7\u4e00\u4e2a\u7b80\u5355\u7684 LED \u63a7\u5236\u7684\u4ee3\u7801\u793a\u4f8b\u6765\u6f14\u793a\u5982\u4f55\u5728 Embedded Linux \u4e2d\u7f16\u5199\u548c\u8fd0\u884c\u5e94\u7528\u7a0b\u5e8f\u3002\u6211\u4eec\u5047\u8bbe\u5f00\u53d1\u677f\u4e0a\u8fde\u63a5\u4e86\u4e00\u4e2a LED \u706f\uff0c\u5e76\u4e14\u5df2\u7ecf\u52a0\u8f7d\u4e86\u76f8\u5e94\u7684\u5185\u6838\u6a21\u5757\u3002<\/p>\n

    #include <stdio.h>\n#include <stdlib.h>\n#include <fcntl.h>\n#include <unistd.h>\n\n#define LED_PATH \"\/sys\/class\/leds\/led0\/brightness\"\n\nint main() {\n    int fd;\n    char buf[2];\n\n    fd = open(LED_PATH, O_WRONLY);\n    if (fd <p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u6253\u5f00\u4e86 LED \u7684\u63a7\u5236\u6587\u4ef6 \/sys\/class\/leds\/led0\/brightness\uff0c\u7136\u540e\u5411\u5176\u5199\u5165\u5b57\u7b26 '1' \u6765\u4f7f LED \u706f\u4eae\u8d77\uff0c\u5ef6\u65f6 2 \u79d2\u540e\u518d\u5199\u5165\u5b57\u7b26 '0' \u6765\u4f7f LED \u706f\u7184\u706d\u3002\u6700\u540e\u5173\u95ed\u6587\u4ef6\u63cf\u8ff0\u7b26\u5e76\u9000\u51fa\u7a0b\u5e8f\u3002<\/p>\n<h3>\u603b\u7ed3<\/h3>\n<p>\u901a\u8fc7\u672c\u6587\u7684\u4ecb\u7ecd\uff0c\u6211\u4eec\u4e86\u89e3\u4e86 Embedded Linux \u7684\u57fa\u672c\u6982\u5ff5\uff0c\u5305\u62ec\u5185\u6838\u3001\u6587\u4ef6\u7cfb\u7edf\u3001\u8bbe\u5907\u9a71\u52a8\u3001\u7528\u6237\u7a7a\u95f4\u5de5\u5177\u7b49\u5185\u5bb9\uff0c\u5e76\u7ed3\u5408\u4ee3\u7801\u793a\u4f8b\u6f14\u793a\u4e86\u5728 Embedded Linux \u4e2d\u7f16\u5199\u5e94\u7528\u7a0b\u5e8f\u7684\u8fc7\u7a0b\u3002\u6df1\u5165\u5b66\u4e60\u5d4c\u5165\u5f0f\u7cfb\u7edf\u5f00\u53d1\uff0c\u7406\u89e3 Embedded Linux \u7684\u539f\u7406\u4e0e\u5e94\u7528\uff0c\u6709\u52a9\u4e8e\u6211\u4eec\u66f4\u597d\u5730\u5229\u7528 Linux \u5e73\u53f0\u5f00\u53d1\u5404\u79cd\u5d4c\u5165\u5f0f\u8bbe\u5907\u3002<\/p><\/unistd.h><\/fcntl.h><\/stdlib.h><\/stdio.h><\/pre>\n
      \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
    \u4ee5\u4e0a\u5c31\u662f\u4e86\u89e3Embedded Linux\u7684\u57fa\u672c\u6982\u5ff5\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
    \u5d4c\u5165\u5f0f Linux \u662f\u4e00\u79cd\u5728\u5d4c\u5165\u5f0f\u7cfb\u7edf\u4e2d\u8fd0\u884c\u7684 Linux \u64cd\u4f5c\u7cfb\u7edf\uff0c\u5b83\u5177\u6709\u5f00\u6e90\u548c\u53ef\u5b9a\u5236\u7684\u7279\u70b9\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5404\u79cd\u5d4c\u5165\u5f0f\u8bbe\u5907\u4e2d\u3002\u4e86\u89e3 Embedded Linux \u7684\u57fa\u672c\u6982\u5ff5\u5bf9\u4e8e\u4ece\u4e8b\u5d4c\u5165\u5f0f\u5f00\u53d1\u5de5\u4f5c\u7684\u4eba\u5458\u975e\u5e38\u91cd\u8981\uff0c\u672c\u6587\u5c06\u4ece\u57fa\u672c\u6982\u5ff5\u5165\u624b\uff0c\u7ed3\u5408\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u6765\u4ecb\u7ecd Embedded Linux \u7684\u76f8\u5173\u77e5\u8bc6\u3002 Embedded Linux \u7684\u57fa\u672c\u6982\u5ff5 \u5185\u6838\uff1aLinux \u5185\u6838\u662f Embedded Linux \u7684\u6838\u5fc3\u90e8\u5206\uff0c\u5b83\u7ba1\u7406\u786c\u4ef6\u8d44\u6e90\u3001\u63d0\u4f9b\u7cfb\u7edf\u8c03\u7528\u63a5\u53e3\uff0c\u5e76\u8d1f\u8d23\u8c03\u5ea6\u548c\u7ba1\u7406\u7cfb\u7edf\u8d44\u6e90\u3002\u5d4c\u5165\u5f0f\u8bbe\u5907\u7684\u786c\u4ef6\u652f\u6301\u548c\u529f\u80fd\u5b9e\u73b0\u90fd\u4f9d\u8d56\u4e8e Linux \u5185\u6838\u3002 \u6587\u4ef6\u7cfb\u7edf\uff1a\u6587\u4ef6\u7cfb\u7edf\u662f\u5d4c\u5165\u5f0f\u7cfb\u7edf\u4e2d\u5b58\u50a8\u548c\u7ba1\u7406\u6587\u4ef6\u7684\u7ec4\u7ec7\u7ed3\u6784\uff0c\u5e38\u89c1\u7684 Embedded Linux \u6587\u4ef6\u7cfb\u7edf\u5305\u62ec Ext2\/Ext3\/Ext4\u3001JFFS2\u3001UBIFS \u7b49\u3002\u6587\u4ef6\u7cfb\u7edf\u7684\u9009\u62e9\u4e0e\u5d4c\u5165\u5f0f\u8bbe\u5907\u7684\u5b58\u50a8\u5668\u7c7b\u578b\u548c\u9700\u6c42\u76f8\u5173\u3002 \u8bbe\u5907\u9a71\u52a8\uff1a\u8bbe\u5907\u9a71\u52a8\u662f\u5b9e\u73b0\u786c\u4ef6\u4e0e\u8f6f\u4ef6\u4e4b\u95f4\u4ea4\u4e92\u7684\u91cd\u8981\u90e8\u5206\uff0c\u5305\u62ec\u5b57\u7b26\u8bbe\u5907\u9a71\u52a8\u3001\u5757\u8bbe\u5907\u9a71\u52a8\u3001\u7f51\u7edc\u9a71\u52a8\u7b49\u3002\u7f16\u5199\u8bbe\u5907\u9a71\u52a8\u9700\u8981\u6df1\u5165\u4e86\u89e3\u786c\u4ef6\u8bbe\u5907\u7684\u5de5\u4f5c\u539f\u7406\u548c\u5bc4\u5b58\u5668\u64cd\u4f5c\u3002 \u7528\u6237\u7a7a\u95f4\u5de5\u5177\uff1a\u7528\u6237\u7a7a\u95f4\u5de5\u5177\u662f\u5728\u7528\u6237\u7a7a\u95f4\u8fd0\u884c\u7684\u7a0b\u5e8f\uff0c\u7528\u4e8e\u914d\u7f6e\u7cfb\u7edf\u3001\u76d1\u63a7\u7cfb\u7edf\u6027\u80fd\u3001\u8fdb\u884c\u5e94\u7528\u5f00\u53d1\u7b49\u3002\u5e38\u89c1\u7684\u7528\u6237\u7a7a\u95f4\u5de5\u5177\u5305\u62ec busybox\u3001sysfsutils\u3001top \u7b49\u3002 Embedded Linux \u7684\u4ee3\u7801\u793a\u4f8b \u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u901a\u8fc7\u4e00\u4e2a\u7b80\u5355\u7684 LED \u63a7\u5236\u7684\u4ee3\u7801\u793a\u4f8b\u6765\u6f14\u793a\u5982\u4f55\u5728 Embedded Linux \u4e2d\u7f16\u5199\u548c\u8fd0\u884c\u5e94\u7528\u7a0b\u5e8f\u3002\u6211\u4eec\u5047\u8bbe\u5f00\u53d1\u677f\u4e0a\u8fde\u63a5\u4e86\u4e00\u4e2a LED \u706f\uff0c\u5e76\u4e14\u5df2\u7ecf\u52a0\u8f7d\u4e86\u76f8\u5e94\u7684\u5185\u6838\u6a21\u5757\u3002 #include <stdio.h> #include <stdlib.h> #include <fcntl.h> #include <unistd.h> #define LED_PATH “\/sys\/class\/leds\/led0\/brightness” int main() […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-17756","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/17756","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=17756"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/17756\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=17756"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=17756"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=17756"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}