{"id":61410,"date":"2023-10-30T10:44:57","date_gmt":"2023-10-30T02:44:57","guid":{"rendered":"\/\/www.dealsbon.com\/?p=61410"},"modified":"2023-10-30T10:44:57","modified_gmt":"2023-10-30T02:44:57","slug":"gckdjs","status":"publish","type":"post","link":"\/\/www.dealsbon.com\/blog\/61410.html","title":{"rendered":"GD32\u4e32\u53e3DMA\u63a5\u6536"},"content":{"rendered":"

  GD32\u4e32\u53e3DMA\u63a5\u6536\u662f\u57fa\u4e8eGD32 MCU\u7684\u4e00\u79cd\u6570\u636e\u63a5\u6536\u65b9\u5f0f\uff0c\u5b83\u91c7\u7528DMA\uff08Direct Memory Access\uff09\u65b9\u5f0f\u6765\u5b9e\u73b0\u4e32\u53e3\u6570\u636e\u7684\u63a5\u6536\uff0c\u4f7f\u7528DMA\u53ef\u4ee5\u5927\u5927\u63d0\u9ad8\u4e32\u53e3\u63a5\u6536\u6548\u7387\uff0c\u66f4\u52a0\u8282\u7701\u7cfb\u7edf\u8d44\u6e90\u3002<\/p>\n

\u539f\u7406<\/h2>\n

  GD32\u4e32\u53e3DMA\u63a5\u6536\u662f\u57fa\u4e8eGD32 MCU\u7684\u4e00\u79cd\u6570\u636e\u63a5\u6536\u65b9\u5f0f\uff0c\u5b83\u91c7\u7528DMA\uff08Direct Memory Access\uff09\u65b9\u5f0f\u6765\u5b9e\u73b0\u4e32\u53e3\u6570\u636e\u7684\u63a5\u6536\uff0c\u5b83\u53ef\u4ee5\u5c06\u4e32\u53e3\u6536\u5230\u7684\u6570\u636e\u76f4\u63a5\u5b58\u50a8\u5230\u5185\u5b58\u4e2d\uff0c\u800c\u4e0d\u9700\u8981CPU\u7684\u53c2\u4e0e\uff0c\u4ece\u800c\u5927\u5927\u63d0\u9ad8\u4e32\u53e3\u63a5\u6536\u6548\u7387\uff0c\u66f4\u52a0\u8282\u7701\u7cfb\u7edf\u8d44\u6e90\u3002<\/p>\n

  DMA\u5b9e\u73b0\u539f\u7406<\/h3>\n

  DMA\u662f\u4e00\u79cd\u5185\u5b58\u8bbf\u95ee\u6280\u672f\uff0c\u5b83\u53ef\u4ee5\u5c06\u6570\u636e\u4ece\u4e00\u4e2a\u5730\u5740\u8f6c\u79fb\u5230\u53e6\u4e00\u4e2a\u5730\u5740\uff0c\u800c\u4e0d\u9700\u8981CPU\u53c2\u4e0e\u3002DMA\u53ef\u4ee5\u5b9e\u73b0\u4ece\u4e32\u53e3\u63a5\u6536\u5230\u7684\u6570\u636e\uff0c\u76f4\u63a5\u5b58\u50a8\u5230\u5185\u5b58\u4e2d\uff0c\u800c\u4e0d\u9700\u8981CPU\u7684\u53c2\u4e0e\uff0c\u4ece\u800c\u5927\u5927\u63d0\u9ad8\u4e32\u53e3\u63a5\u6536\u6548\u7387\uff0c\u66f4\u52a0\u8282\u7701\u7cfb\u7edf\u8d44\u6e90\u3002<\/p>\n

  DMA\u4f18\u52bf<\/h3>\n

  DMA\u63a5\u6536\u7684\u4f18\u52bf\u5728\u4e8e\u53ef\u4ee5\u5c06\u4e32\u53e3\u6536\u5230\u7684\u6570\u636e\u76f4\u63a5\u5b58\u50a8\u5230\u5185\u5b58\u4e2d\uff0c\u800c\u4e0d\u9700\u8981CPU\u7684\u53c2\u4e0e\uff0c\u4ece\u800c\u5927\u5927\u63d0\u9ad8\u4e32\u53e3\u63a5\u6536\u6548\u7387\uff0c\u66f4\u52a0\u8282\u7701\u7cfb\u7edf\u8d44\u6e90\uff0c\u6bd4\u5982\u53ef\u4ee5\u51cf\u5c11\u7cfb\u7edf\u4e2d\u4e2d\u65ad\u7684\u6b21\u6570\uff0c\u4ece\u800c\u8282\u7701CPU\u7684\u8fd0\u884c\u65f6\u95f4\u3002<\/p>\n

\u5e94\u7528<\/h2>\n

  GD32\u4e32\u53e3DMA\u63a5\u6536\u53ef\u4ee5\u7528\u4e8e\u5404\u79cd\u6570\u636e\u63a5\u6536\u573a\u666f\uff0c\u6bd4\u5982\u5728\u7269\u8054\u7f51\u9886\u57df\uff0c\u53ef\u4ee5\u7528\u4e8e\u5b9e\u73b0\u8bbe\u5907\u4e4b\u95f4\u7684\u6570\u636e\u4f20\u8f93\uff0c\u6bd4\u5982\u667a\u80fd\u5bb6\u5c45\u7cfb\u7edf\u4e2d\uff0c\u53ef\u4ee5\u7528\u4e8e\u5b9e\u73b0\u6e29\u6e7f\u5ea6\u4f20\u611f\u5668\u6570\u636e\u7684\u63a5\u6536\uff1b\u5728\u6c7d\u8f66\u884c\u4e1a\uff0c\u53ef\u4ee5\u7528\u4e8e\u5b9e\u73b0\u6c7d\u8f66\u6570\u636e\u7684\u63a5\u6536\uff1b\u5728\u533b\u7597\u884c\u4e1a\uff0c\u53ef\u4ee5\u7528\u4e8e\u5b9e\u73b0\u533b\u7597\u8bbe\u5907\u6570\u636e\u7684\u63a5\u6536\u7b49\u7b49\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  GD32\u4e32\u53e3DMA\u63a5\u6536\u662f\u57fa\u4e8eGD32 MCU\u7684\u4e00\u79cd\u6570\u636e\u63a5\u6536\u65b9\u5f0f\uff0c\u5b83\u91c7\u7528DMA\uff08Direct Memory Access\uff09\u65b9\u5f0f\u6765\u5b9e\u73b0\u4e32\u53e3\u6570\u636e\u7684\u63a5\u6536\uff0c\u53ef\u4ee5\u5927\u5927\u63d0\u9ad8\u4e32\u53e3\u63a5\u6536\u6548\u7387\uff0c\u66f4\u52a0\u8282\u7701\u7cfb\u7edf\u8d44\u6e90\uff0c\u5b83\u53ef\u4ee5\u7528\u4e8e\u5404\u79cd\u6570\u636e\u63a5\u6536\u573a\u666f\uff0c\u6bd4\u5982\u7269\u8054\u7f51\u3001\u6c7d\u8f66\u884c\u4e1a\u548c\u533b\u7597\u884c\u4e1a\u7b49\u7b49\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

GD32\u4e32\u53e3DMA\u63a5\u6536\u662f\u57fa\u4e8eGD32MCU\u7684\u4e00\u79cd\u6570\u636e\u63a5\u6536\u65b9\u5f0f\uff0c\u5b83\u91c7\u7528DMA\uff08DirectMemoryAccess\uff09\u65b9\u5f0f\u6765\u5b9e\u73b0\u4e32\u53e3\u6570\u636e\u7684\u63a5\u6536\uff0c\u4f7f\u7528DMA\u53ef<\/p>\n","protected":false},"author":1,"featured_media":1839,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-global-header-display":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","footnotes":""},"categories":[36],"tags":[69],"class_list":["post-61410","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-cktx"],"_links":{"self":[{"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/posts\/61410"}],"collection":[{"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/comments?post=61410"}],"version-history":[{"count":0,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/posts\/61410\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/media\/1839"}],"wp:attachment":[{"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/media?parent=61410"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/categories?post=61410"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/tags?post=61410"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}