{"id":910,"date":"2024-02-27T14:40:13","date_gmt":"2024-02-27T06:40:13","guid":{"rendered":"https:\/\/www.nanoexpress.com\/?p=910"},"modified":"2026-02-13T09:22:54","modified_gmt":"2026-02-13T01:22:54","slug":"%e5%b9%bf%e6%9c%9fu50%e4%b8%80%e6%a1%a3%e4%ba%94%e6%a1%a3%e5%90%88%e5%b9%b6%e4%bd%bf%e7%94%a8%e8%af%b4%e6%98%8e","status":"publish","type":"post","link":"https:\/\/www.nanoexpress.com\/?p=910","title":{"rendered":"\u5e7f\u671fU50\u4e00\u6863&#038;\u4e94\u6863\u5408\u5e76\u4f7f\u7528\u8bf4\u660e"},"content":{"rendered":"<p><center><span style=\"color:black;font-size:30px;font-family:\u5fae\u8f6f\u96c5\u9ed1;align:center\"><b>\u5404\u4f4dnano\u884c\u60c5\u7528\u6237\u60a8\u597d<\/b><\/span><\/center><\/p>\n<blockquote>\n<p>\u7531\u4e8e\u5e7f\u671f\u6240\u4e00\u6863\u884c\u60c5\u7684\u7279\u6b8a\u6027\uff0c\u5feb\u7167\u548c\u589e\u91cf\u90fd\u5728\u4e00\u6761TCP\u94fe\u8def\u4e0a\uff0c\u671f\u8d27\u516c\u53f8\u4e00\u6863\u670d\u52a1\u7a0b\u5e8f\u542f\u52a8\u8fde\u63a5\u767b\u5f55\u4ea4\u6613\u6240\u65f6\u4f1a\u6536\u5230\u4ea4\u6613\u6240\u4e3b\u63a8\u7684\u76d8\u524d\u5feb\u7167\u884c\u60c5\uff0c\u5f00\u76d8\u5230\u95ed\u5e02\u671f\u95f4\u65e0\u5feb\u7167\u63a8\u9001\uff0c\u8fd9\u7ed9\u4e00\u6863\u884c\u60c5\u7684\u4f7f\u7528\u5e26\u6765\u4e86\u6781\u5927\u7684\u4e0d\u4fbf\u6027\u3002\u6b64\u5904\u9488\u5bf9\u4e00\u6863\u884c\u60c5\u4f7f\u7528\u4f5c\u51fa\u4ee5\u4e0b\u8bf4\u660e\uff0c\u907f\u514d\u56e0\u4e3a\u9519\u8fc7\u5feb\u7167\u800c\u5bf9\u60a8\u7684\u6b63\u5e38\u4ea4\u6613\u4ea7\u751f\u5f71\u54cd\u3002\u5e38\u89c1\u7591\u95ee\u70b9\u7f57\u5217\u5982\u4e0b\uff1a<\/p>\n<\/blockquote>\n<h2>\u5e38\u89c1\u7591\u95ee<\/h2>\n<ul>\n<li>\u5982\u679c\u4f7f\u7528\u4e00\u6863\u884c\u60c5\u7b56\u7565\u7a0b\u5e8f\u9700\u4f55\u65f6\u542f\u52a8\uff1f<br \/>\n\u56de\u7b54\uff1a\u5728\u5df2\u7ecf\u786e\u8ba4\u4e00\u6863\u6570\u636e\u6709\u63a5\u5165\u677f\u5361\u524d\u63d0\u4e0b\uff0c\u540c\u671f\u8d27\u516c\u53f8\u4eba\u5458\u786e\u8ba4\u4e00\u6863\u670d\u52a1\u542f\u52a8\u65f6\u95f4\uff0c\u7b56\u7565\u7a0b\u5e8f\u542f\u52a8\u5728\u4e00\u6863\u670d\u52a1\u7a0b\u5e8f\u542f\u52a8\u4e4b\u524d\uff0c\u4ee5\u514d\u9519\u8fc7\u76d8\u524d\u5feb\u7167\u3002<\/li>\n<li>\u5982\u679c\u9519\u8fc7\u4e86\u4e00\u6863\u76d8\u524d\u5feb\u7167\u600e\u4e48\u529e\uff1f<br \/>\n\u56de\u7b54\uff1a\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u6dfb\u52a0\u4ee5\u4e0b\u914d\u7f6e\u5173\u95ed\u4e00\u6863\u884c\u60c5\uff0c\u5355\u72ec\u4f7f\u7528\u4e94\u6863\u884c\u60c5\u3002<\/p>\n<pre><code class=\"language-ini\">gfex_level1=disabled<\/code><\/pre>\n<\/li>\n<li>\n<p>\u65e5\u5fd7\u4e2d\u6709\u4f53\u73b0\u4e00\u6863\u6536\u5230\u5feb\u7167\u5e76\u521d\u59cb\u5316\u7ed3\u675f\u5417\uff1f<br \/>\n\u56de\u7b54\uff1a\u6709\u3002\u65e5\u5fd7\u53c2\u8003\u622a\u56fe\u5982\u4e0b\uff1a<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.nanoexpress.com\/wp-content\/uploads\/2024\/02\/1.png\" alt=\"1698826677675\" \/><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.nanoexpress.com\/wp-content\/uploads\/2024\/02\/2.png\" alt=\"1698826677675\" \/><\/p>\n<\/li>\n<li>\u5df2\u7ecf\u6536\u5230\u4e00\u6863\u5feb\u7167\u5e76\u521d\u59cb\u5316\u7ed3\u675f\u540e\uff0c\u91cd\u542f\u7b56\u7565\u7a0b\u5e8f\u8fd8\u80fd\u7ee7\u7eed\u4f7f\u7528\u5417\uff1f<br \/>\n\u56de\u7b54\uff1a\u53ef\u4ee5\u3002\u76d8\u524d\u6536\u5230\u5feb\u7167\u4fe1\u606f\u521d\u59cb\u5316FPGA\u540e\uff0c\u4f1a\u5c06\u5408\u7ea6\u7d22\u5f15\u4fe1\u606f\u548c\u5408\u7ea6\u9759\u6001\u4fe1\u606f\u5b58\u50a8\u5728\/tmp\u76ee\u5f55<code>.gfex_YYYYMMDD<\/code>\u5f00\u5934\u6587\u4ef6\u4e2d\uff0c\u91cd\u542f\u4f1a\u4ece\u672c\u5730\u52a0\u8f7d\u521d\u59cb\u5316FPGA\u3002\u521d\u59cb\u5316\u9636\u6bb5\u5bf9\u4e8e\u975e\u9759\u6001\u5b57\u6bb5\uff0cdouble\u8d4b\u4e88DBL_MAX\uff0c\u6574\u578b\u8d4b\u4e880\uff0c\u968f\u7740\u76d8\u4e2d\u589e\u91cf\u884c\u60c5\u63a8\u9001\uff0c\u975e\u9759\u6001\u5b57\u6bb5\u4f1a\u9010\u6b65\u88ab\u66f4\u65b0\u3002<\/li>\n<li>U50\u7248\u672c\u4e00\u6863\u884c\u60c5\u4e2d\u7684update_flag\u5b57\u6bb5\u600e\u4e48\u4f7f\u7528\uff1f<br \/>\n\u56de\u7b54\uff1a\u8fd9\u662f\u4e00\u4e2aint16_t\u7c7b\u578b\u7684\u6574\u578b\u6570\u636e\uff0c\u6bcf\u4e2a\u6bd4\u7279\u4f4d\u4ee3\u8868\u4e00\u4e2a\u5b57\u6bb5\u8f83\u4e0a\u4e00\u6b21\u63a8\u9001\u53d1\u751f\u4e86\u66f4\u65b0\uff0c1\u4ee3\u8868\u6709\u66f4\u65b0\uff0c0\u4ee3\u8868\u6ca1\u6709\u66f4\u65b0\uff0c\u6bd4\u7279\u4f4d\u5bf9\u5e94\u5173\u7cfb\u5982\u4e0b\u8868\uff1a<\/li>\n<\/ul>\n<table>\n<thead>\n<tr>\n<th>\u6bd4\u7279\u4f4d\u504f\u79fb\uff08Little-endian\uff0c\u5c0f\u7aef\u5e8f\uff09<\/th>\n<th>\u542b\u4e49<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>0<\/td>\n<td>last price\u66f4\u65b0<\/td>\n<\/tr>\n<tr>\n<td>1<\/td>\n<td>last match qty\u66f4\u65b0<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>match total qty\u66f4\u65b0<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>Turnover\u66f4\u65b0<\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td>open interest\u66f4\u65b0<\/td>\n<\/tr>\n<tr>\n<td>5<\/td>\n<td>open interest change\u66f4\u65b0<\/td>\n<\/tr>\n<tr>\n<td>6<\/td>\n<td>bid price\u66f4\u65b0<\/td>\n<\/tr>\n<tr>\n<td>7<\/td>\n<td>bid qty\u66f4\u65b0<\/td>\n<\/tr>\n<tr>\n<td>8<\/td>\n<td>ask price\u66f4\u65b0<\/td>\n<\/tr>\n<tr>\n<td>9<\/td>\n<td>ask qty\u66f4\u65b0<\/td>\n<\/tr>\n<tr>\n<td>10<\/td>\n<td>average price\u66f4\u65b0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u7528\u6237\u53ef\u4ee5\u4f7f\u7528\u7c7b\u4f3cupdate_flag &amp; 0b0100 == 0b0100 \u7b49\u65b9\u5f0f\u6765\u83b7\u53d6\u81ea\u5df1\u611f\u5174\u8da3\u7684\u5b57\u6bb5\u662f\u5426\u53d1\u751f\u4e86\u53d8\u5316<\/p>\n<p><strong>\u3010\u60a8\u53ef\u80fd\u8fd8\u5173\u6ce8\u3011<\/strong><br \/>\n<a href=\"https:\/\/www.nanoexpress.com\/?p=53\" title=\"\u6388\u6743\u66f4\u65b0\u6d41\u7a0b\">NANO\u6388\u6743\u66f4\u65b0\u6d41\u7a0b<\/a><br \/>\n<a href=\"https:\/\/www.nanoexpress.com\/?p=548\" title=\"NANO\u884c\u60c5\u4ea7\u54c1\u63a5\u7ebf\u60c5\u51b5\">NANO\u884c\u60c5\u4ea7\u54c1\u63a5\u7ebf\u60c5\u51b5<\/a><br \/>\n<a href=\"https:\/\/www.nanoexpress.com\/?p=58\" title=\"\u4e0a\u671f\u6240FPGA\u884c\u60c5U50\u7248\u672c\u53d1\u5e03\uff01\">\u4e0a\u671f\u6240FPGA\u884c\u60c5U50\u7248\u672c\u53d1\u5e03\uff01<\/a><\/p>\n<p>\u60f3\u4e86\u89e3\u66f4\u591a\uff0c\u6b22\u8fce\u8bbf\u95ee<a href=\"https:\/\/www.nanoexpress.com\" title=\"NanoExpress\u5b98\u65b9\u7f51\u7ad9\">NanoExpress\u5b98\u65b9\u7f51\u7ad9<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5404\u4f4dnano\u884c\u60c5\u7528\u6237\u60a8\u597d \u7531\u4e8e\u5e7f\u671f\u6240\u4e00\u6863\u884c\u60c5\u7684\u7279\u6b8a\u6027\uff0c\u5feb\u7167\u548c\u589e\u91cf\u90fd\u5728\u4e00\u6761TCP\u94fe\u8def\u4e0a\uff0c\u671f\u8d27\u516c\u53f8\u4e00\u6863\u670d\u52a1\u7a0b\u5e8f\u542f\u52a8 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[9,16,17],"class_list":["post-910","post","type-post","status-publish","format-standard","hentry","category-fpga","tag-u50","tag-16","tag-17"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/www.nanoexpress.com\/index.php?rest_route=\/wp\/v2\/posts\/910","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.nanoexpress.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.nanoexpress.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.nanoexpress.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.nanoexpress.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=910"}],"version-history":[{"count":10,"href":"https:\/\/www.nanoexpress.com\/index.php?rest_route=\/wp\/v2\/posts\/910\/revisions"}],"predecessor-version":[{"id":2352,"href":"https:\/\/www.nanoexpress.com\/index.php?rest_route=\/wp\/v2\/posts\/910\/revisions\/2352"}],"wp:attachment":[{"href":"https:\/\/www.nanoexpress.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=910"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.nanoexpress.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=910"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.nanoexpress.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=910"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}