{"id":5322,"date":"2023-11-01T14:24:16","date_gmt":"2023-11-01T06:24:16","guid":{"rendered":"http:\/\/www.hellofpga.com\/?p=5322"},"modified":"2023-11-01T14:24:16","modified_gmt":"2023-11-01T06:24:16","slug":"eeprom","status":"publish","type":"post","link":"http:\/\/www.hellofpga.com\/index.php\/2023\/11\/01\/eeprom\/","title":{"rendered":"Xillinux \u7ae0\u8282\u4e03 EEPROM \u5b58\u50a8\u5b9e\u9a8c"},"content":{"rendered":"\n<p>\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u5728Xillinux \u64cd\u4f5c\u7cfb\u7edf\u4e0b\u8bbf\u95ee\u677f\u8f7d\u7684EEPROM<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u786c\u4ef6\u4ecb\u7ecd<\/strong><\/h2>\n\n\n\n<p>\u677f\u5b50\u5728\u786c\u4ef6\u4e0a\u662f\u5e26\u4e00\u4e2a2K\u7684EEPROM\u82af\u7247 \u578b\u53f7\u662f24c02\uff0c\u53ef\u4ee5\u7528\u4e8e\u5b58\u50a8\u4e00\u4e9b\u9700\u8981\u65ad\u7535\u4fdd\u7559\u7684\u6570\u636e\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"491\" src=\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2023\/11\/image-1024x491.png\" alt=\"\" class=\"wp-image-5328\" style=\"aspect-ratio:2.085539714867617;width:540px;height:auto\" srcset=\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2023\/11\/image-1024x491.png 1024w, http:\/\/www.hellofpga.com\/wp-content\/uploads\/2023\/11\/image-300x144.png 300w, http:\/\/www.hellofpga.com\/wp-content\/uploads\/2023\/11\/image-768x368.png 768w, http:\/\/www.hellofpga.com\/wp-content\/uploads\/2023\/11\/image.png 1354w\" sizes=\"auto, (max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px\" \/><\/figure>\n\n\n\n<p><strong>\u56e0\u4e3a\u5de5\u7a0b\u4e8c demo bundle \u538b\u7f29\u5305\u4e2d vivado\u5de5\u7a0b\u4ee5\u53cadevicetree \u90e8\u5206\u5df2\u7ecf\u914d\u7f6e\u597d\u4e86EEPROM\u76f8\u5173\u5185\u5bb9\uff0c\u6240\u4ee5\u6211\u4eec\u53ea\u9700\u8981\u628a\u5de5\u4f5c\u7684\u91cd\u5fc3\u653e\u5728 Xillinux \u8bfb\u5199eeprom \u4e0a<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u4e8c\u3001\u5b9e\u9645\u64cd\u4f5c<\/strong><\/h2>\n\n\n\n<p>\u6574\u4e2a\u5199\u5165\u7684\u9a8c\u8bc1 \u6211\u4eec\u4e00\u5171\u52063\u90e8\u5206\uff0c1.\u5148\u8bfb\u51faeeprom\u5f53\u524d\u7684\u6570\u636e\uff0c 2.\u5199\u5165hello world  3.\u91cd\u65b0\u8bfb\u51faeeprom\u6570\u636e\uff0c\u770b\u662f\u5426\u6709hello world \u5b57\u7b26\u4e32\u3002 \u8be6\u7ec6\u64cd\u4f5c\u5982\u4e0b\uff1a <strong>\u6574\u4e2a\u64cd\u4f5c\u6d41\u7a0b\u662f\u91c7\u7528 sysfs\u65b9\u5f0f<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>cd \u8fdb\u5165 \/sys\/class\/i2c-dev\/i2c-0\/device\/0-0050\/ \u76ee\u5f55<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">cd \/sys\/class\/i2c-dev\/i2c-0\/device\/0-0050\/<\/pre>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"799\" height=\"83\" src=\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2023\/11\/image-1.png\" alt=\"\" class=\"wp-image-5341\" srcset=\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2023\/11\/image-1.png 799w, http:\/\/www.hellofpga.com\/wp-content\/uploads\/2023\/11\/image-1-300x31.png 300w, http:\/\/www.hellofpga.com\/wp-content\/uploads\/2023\/11\/image-1-768x80.png 768w\" sizes=\"auto, (max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px\" \/><\/figure>\n\n\n\n<p>2. \u5c06EEPROM\u4e0a\u7684\u6587\u4ef6\u901a\u8fc7hexdump \u8bfb\u51fa\u6765 \uff0c \u5982\u679c\u4e4b\u524d\u6ca1\u6709\u5199\u5165\u8fc7EEPROM\u7684\u8bdd\uff0c \u90a3\u9ed8\u8ba4\u8bfb\u51fa\u6765\u7684\u503c\u5e94\u8be5\u90fd\u662f0xff <\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">hexdump -C -v  eeprom<\/pre>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"952\" height=\"429\" src=\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2023\/11\/image-2.png\" alt=\"\" class=\"wp-image-5342\" srcset=\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2023\/11\/image-2.png 952w, http:\/\/www.hellofpga.com\/wp-content\/uploads\/2023\/11\/image-2-300x135.png 300w, http:\/\/www.hellofpga.com\/wp-content\/uploads\/2023\/11\/image-2-768x346.png 768w\" sizes=\"auto, (max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px\" \/><\/figure>\n\n\n\n<p>3. \u6211\u4eec\u5bf9EEPROM \u5199\u5165\u5b57\u7b26\u4e32  &#8220;Hello, world&#8221;<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">echo \"Hello, world\" > eeprom<\/pre>\n\n\n\n<p>4. \u518d\u6b21\u8bfb\u51fa EEPROM \u4e0a\u7684\u5185\u5bb9<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"> hexdump -C -v\u00a0 eeprom<\/pre>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"965\" height=\"492\" src=\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2023\/11\/image-3.png\" alt=\"\" class=\"wp-image-5344\" srcset=\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2023\/11\/image-3.png 965w, http:\/\/www.hellofpga.com\/wp-content\/uploads\/2023\/11\/image-3-300x153.png 300w, http:\/\/www.hellofpga.com\/wp-content\/uploads\/2023\/11\/image-3-768x392.png 768w\" sizes=\"auto, (max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px\" \/><\/figure>\n\n\n\n<p>\u53ef\u4ee5\u770b\u5230\u518d\u6b21\u8bfb\u51fa\u6765\u7684\u6570\u636e\u91cc\u6709\u6211\u4eec\u521a\u624d\u5199\u5165\u7684\u201cHello\uff0cworld\u201d \u7684\u5b57\u7b26\u4e32\uff0c \u8bc1\u660eeeprom\u5199\u5165\u6210\u529f\uff0c\u8fd9\u4e2a\u5b57\u7b26\u4e32\u662f\u5b58\u5165\u5728eeprom\u4e2d\u7684\uff0c\u5373\u4f7f\u65ad\u7535\u6570\u636e\u4f9d\u65e7\u5b58\u5728\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u5728Xillinux \u64cd\u4f5c\u7cfb\u7edf\u4e0b\u8bbf\u95ee\u677f\u8f7d\u7684EEPROM<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[21],"tags":[],"class_list":["post-5322","post","type-post","status-publish","format-standard","hentry","category-xillinux"],"views":839,"_links":{"self":[{"href":"http:\/\/www.hellofpga.com\/index.php\/wp-json\/wp\/v2\/posts\/5322","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.hellofpga.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.hellofpga.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.hellofpga.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.hellofpga.com\/index.php\/wp-json\/wp\/v2\/comments?post=5322"}],"version-history":[{"count":13,"href":"http:\/\/www.hellofpga.com\/index.php\/wp-json\/wp\/v2\/posts\/5322\/revisions"}],"predecessor-version":[{"id":5351,"href":"http:\/\/www.hellofpga.com\/index.php\/wp-json\/wp\/v2\/posts\/5322\/revisions\/5351"}],"wp:attachment":[{"href":"http:\/\/www.hellofpga.com\/index.php\/wp-json\/wp\/v2\/media?parent=5322"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.hellofpga.com\/index.php\/wp-json\/wp\/v2\/categories?post=5322"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.hellofpga.com\/index.php\/wp-json\/wp\/v2\/tags?post=5322"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}