{"id":41075,"date":"2023-09-30T03:51:19","date_gmt":"2023-09-29T19:51:19","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=41075"},"modified":"2023-09-30T03:51:19","modified_gmt":"2023-09-29T19:51:19","slug":"sckdfsbdzsj","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/41075.html","title":{"rendered":"STM32\u4e32\u53e3DMA\u53d1\u9001\u4e0d\u5b9a\u957f\u6570\u636e"},"content":{"rendered":"

  STM32\u4e32\u53e3DMA\u53d1\u9001\u4e0d\u5b9a\u957f\u6570\u636e\uff0c\u662fSTM32\u82af\u7247\u901a\u4fe1\u5e94\u7528\u4e2d\u5e38\u89c1\u7684\u4e00\u79cd\u6570\u636e\u4f20\u8f93\u65b9\u5f0f\u3002<\/strong>STM32\u4e32\u53e3DMA\u53d1\u9001\u4e0d\u5b9a\u957f\u6570\u636e\uff0c\u53ef\u4ee5\u6709\u6548\u63d0\u9ad8\u6570\u636e\u4f20\u8f93\u901f\u7387\uff0c\u51cf\u5c11CPU\u7684\u5de5\u4f5c\u8d1f\u8377\uff0c\u4ece\u800c\u63d0\u9ad8\u7cfb\u7edf\u7684\u6574\u4f53\u6027\u80fd\u3002<\/p>\n

STM32\u4e32\u53e3DMA\u53d1\u9001\u4e0d\u5b9a\u957f\u6570\u636e\u7684\u539f\u7406<\/h2>\n

  STM32\u4e32\u53e3DMA\u53d1\u9001\u4e0d\u5b9a\u957f\u6570\u636e\uff0c\u662f\u5229\u7528STM32\u7684DMA\uff08Direct Memory Access\uff0c\u76f4\u63a5\u5b58\u50a8\u5668\u8bbf\u95ee\uff09\u6280\u672f\u5b9e\u73b0\u7684\u3002DMA\u53ef\u4ee5\u5b9e\u73b0\u4e32\u53e3\u4e0e\u5185\u5b58\u4e4b\u95f4\u7684\u76f4\u63a5\u6570\u636e\u4f20\u8f93\uff0c\u4ece\u800c\u51cf\u5c11CPU\u7684\u5de5\u4f5c\u8d1f\u8377\uff0c\u63d0\u9ad8\u6570\u636e\u4f20\u8f93\u901f\u7387\u3002<\/p>\n

  \u6570\u636e\u4f20\u8f93\u6b65\u9aa4<\/h3>\n

  STM32\u4e32\u53e3DMA\u53d1\u9001\u4e0d\u5b9a\u957f\u6570\u636e\u7684\u6b65\u9aa4\u5982\u4e0b\uff1a<\/p>\n

    \n
  • \u9996\u5148\uff0c\u5c06\u8981\u53d1\u9001\u7684\u6570\u636e\u653e\u5165\u5185\u5b58\u4e2d\u3002<\/li>\n
  • \u7136\u540e\uff0c\u521d\u59cb\u5316DMA\u63a7\u5236\u5668\uff0c\u5c06\u5185\u5b58\u4e2d\u7684\u6570\u636e\u4f20\u8f93\u5230\u4e32\u53e3\u7684\u53d1\u9001\u7f13\u51b2\u533a\u3002<\/li>\n
  • \u6700\u540e\uff0c\u4e32\u53e3\u63a7\u5236\u5668\u6839\u636e\u53d1\u9001\u7f13\u51b2\u533a\u7684\u6570\u636e\uff0c\u8fdb\u884c\u6570\u636e\u53d1\u9001\u3002<\/li>\n<\/ul>\n

      DMA\u53d1\u9001\u6a21\u5f0f<\/h3>\n

      STM32\u4e32\u53e3DMA\u53d1\u9001\u4e0d\u5b9a\u957f\u6570\u636e\uff0c\u6709\u4e24\u79cd\u53d1\u9001\u6a21\u5f0f\uff1a\u5355\u6b21\u53d1\u9001\u6a21\u5f0f\u548c\u5faa\u73af\u53d1\u9001\u6a21\u5f0f\u3002<\/p>\n

      \n
    • \u5355\u6b21\u53d1\u9001\u6a21\u5f0f\uff1a\u5728\u5355\u6b21\u53d1\u9001\u6a21\u5f0f\u4e0b\uff0cDMA\u63a7\u5236\u5668\u53ea\u4f1a\u53d1\u9001\u4e00\u6b21\u6570\u636e\uff0c\u53d1\u9001\u5b8c\u6bd5\u540e\u5373\u505c\u6b62\u5de5\u4f5c\u3002<\/li>\n
    • \u5faa\u73af\u53d1\u9001\u6a21\u5f0f\uff1a\u5728\u5faa\u73af\u53d1\u9001\u6a21\u5f0f\u4e0b\uff0cDMA\u63a7\u5236\u5668\u4f1a\u6301\u7eed\u53d1\u9001\u6570\u636e\uff0c\u76f4\u5230\u53d1\u9001\u5b8c\u6bd5\u6216\u8005\u88ab\u663e\u5f0f\u7ec8\u6b62\u3002<\/li>\n<\/ul>\n

      STM32\u4e32\u53e3DMA\u53d1\u9001\u4e0d\u5b9a\u957f\u6570\u636e\u7684\u5e94\u7528<\/h2>\n

        STM32\u4e32\u53e3DMA\u53d1\u9001\u4e0d\u5b9a\u957f\u6570\u636e\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5404\u79cd\u901a\u4fe1\u9886\u57df\uff0c\u5982\u667a\u80fd\u5bb6\u5c45\u3001\u5de5\u4e1a\u63a7\u5236\u3001\u667a\u80fd\u4ea4\u901a\u7b49\u3002<\/p>\n

        \u667a\u80fd\u5bb6\u5c45<\/h3>\n

        \u667a\u80fd\u5bb6\u5c45\u662f\u4e00\u79cd\u667a\u80fd\u5316\u7684\u5bb6\u5c45\u7cfb\u7edf\uff0c\u5b83\u80fd\u591f\u81ea\u52a8\u68c0\u6d4b\u5bb6\u5ead\u73af\u5883\uff0c\u5e76\u53ef\u4ee5\u6839\u636e\u7528\u6237\u7684\u9700\u6c42\uff0c\u81ea\u52a8\u63a7\u5236\u5bb6\u5ead\u7535\u5668\u3002STM32\u4e32\u53e3DMA\u53d1\u9001\u4e0d\u5b9a\u957f\u6570\u636e\uff0c\u53ef\u4ee5\u6709\u6548\u63d0\u9ad8\u667a\u80fd\u5bb6\u5c45\u7cfb\u7edf\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\uff0c\u4ece\u800c\u63d0\u9ad8\u667a\u80fd\u5bb6\u5c45\u7cfb\u7edf\u7684\u6574\u4f53\u6027\u80fd\u3002<\/p>\n

        \u5de5\u4e1a\u63a7\u5236<\/h3>\n

        \u5de5\u4e1a\u63a7\u5236\u662f\u6307\u4f7f\u7528\u63a7\u5236\u7cfb\u7edf\uff0c\u63a7\u5236\u5de5\u4e1a\u8bbe\u5907\u7684\u8fd0\u884c\u72b6\u6001\u3002STM32\u4e32\u53e3DMA\u53d1\u9001\u4e0d\u5b9a\u957f\u6570\u636e\uff0c\u53ef\u4ee5\u6709\u6548\u63d0\u9ad8\u5de5\u4e1a\u63a7\u5236\u7cfb\u7edf\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\uff0c\u4ece\u800c\u63d0\u9ad8\u5de5\u4e1a\u63a7\u5236\u7cfb\u7edf\u7684\u6574\u4f53\u6027\u80fd\u3002<\/p>\n

        \u667a\u80fd\u4ea4\u901a<\/h3>\n

        \u667a\u80fd\u4ea4\u901a\u662f\u4e00\u79cd\u667a\u80fd\u5316\u7684\u4ea4\u901a\u7cfb\u7edf\uff0c\u5b83\u80fd\u591f\u81ea\u52a8\u68c0\u6d4b\u9053\u8def\u73af\u5883\uff0c\u5e76\u53ef\u4ee5\u6839\u636e\u7528\u6237\u7684\u9700\u6c42\uff0c\u81ea\u52a8\u63a7\u5236\u8f66\u8f86\u7684\u884c\u9a76\u72b6\u6001\u3002STM32\u4e32\u53e3DMA\u53d1\u9001\u4e0d\u5b9a\u957f\u6570\u636e\uff0c\u53ef\u4ee5\u6709\u6548\u63d0\u9ad8\u667a\u80fd\u4ea4\u901a\u7cfb\u7edf\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\uff0c\u4ece\u800c\u63d0\u9ad8\u667a\u80fd\u4ea4\u901a\u7cfb\u7edf\u7684\u6574\u4f53\u6027\u80fd\u3002<\/p>\n

      \u603b\u7ed3<\/h2>\n

        STM32\u4e32\u53e3DMA\u53d1\u9001\u4e0d\u5b9a\u957f\u6570\u636e\uff0c\u662fSTM32\u82af\u7247\u901a\u4fe1\u5e94\u7528\u4e2d\u5e38\u89c1\u7684\u4e00\u79cd\u6570\u636e\u4f20\u8f93\u65b9\u5f0f\u3002<\/strong>\u5b83\u53ef\u4ee5\u6709\u6548\u63d0\u9ad8\u6570\u636e\u4f20\u8f93\u901f\u7387\uff0c\u51cf\u5c11CPU\u7684\u5de5\u4f5c\u8d1f\u8377\uff0c\u4ece\u800c\u63d0\u9ad8\u7cfb\u7edf\u7684\u6574\u4f53\u6027\u80fd\u3002STM32\u4e32\u53e3DMA\u53d1\u9001\u4e0d\u5b9a\u957f\u6570\u636e\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5404\u79cd\u901a\u4fe1\u9886\u57df\uff0c\u5982\u667a\u80fd\u5bb6\u5c45\u3001\u5de5\u4e1a\u63a7\u5236\u3001\u667a\u80fd\u4ea4\u901a\u7b49\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

      STM32\u4e32\u53e3DMA\u53d1\u9001\u4e0d\u5b9a\u957f\u6570\u636e\uff0c\u662fSTM32\u82af\u7247\u901a\u4fe1\u5e94\u7528\u4e2d\u5e38\u89c1\u7684\u4e00\u79cd\u6570\u636e\u4f20\u8f93\u65b9\u5f0f\u3002STM32\u4e32\u53e3DMA\u53d1\u9001\u4e0d\u5b9a\u957f\u6570\u636e\uff0c\u53ef\u4ee5\u6709\u6548\u63d0\u9ad8\u6570<\/p>\n","protected":false},"author":1,"featured_media":4132,"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":[287],"class_list":["post-41075","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-stm32"],"_links":{"self":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/41075","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/comments?post=41075"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/41075\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media\/4132"}],"wp:attachment":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media?parent=41075"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=41075"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=41075"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}