{"id":42357,"date":"2023-09-30T01:56:20","date_gmt":"2023-09-29T17:56:20","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=42357"},"modified":"2023-09-30T01:56:20","modified_gmt":"2023-09-29T17:56:20","slug":"sckdznfsyc","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/42357.html","title":{"rendered":"STM32\u4e32\u53e3DMA\u53ea\u80fd\u53d1\u9001\u4e00\u6b21"},"content":{"rendered":"

  STM32\u4e32\u53e3DMA\u662f\u4e00\u79cd\u53ef\u4ee5\u5728STM32\u5fae\u63a7\u5236\u5668\u4e2d\u4f7f\u7528\u7684\u6570\u636e\u4f20\u8f93\u65b9\u5f0f\uff0c\u5b83\u53ef\u4ee5\u5c06\u6570\u636e\u4ece\u4e32\u884c\u7aef\u53e3\u53d1\u9001\u5230\u4e3b\u673a\u5904\u7406\u5668\uff0c\u4ece\u800c\u5b9e\u73b0\u5feb\u901f\u6570\u636e\u4f20\u8f93\u3002\u5b83\u53ef\u4ee5\u6709\u6548\u63d0\u9ad8\u6570\u636e\u4f20\u8f93\u7684\u901f\u5ea6\uff0c\u5e76\u51cf\u5c11\u4e86CPU\u7684\u8d1f\u8f7d\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86\u7cfb\u7edf\u7684\u6027\u80fd\u3002\u4f46\u662f\uff0c\u7531\u4e8eSTM32\u4e32\u53e3DMA\u53ea\u80fd\u53d1\u9001\u4e00\u6b21\uff0c\u56e0\u6b64\uff0c\u7528\u6237\u5fc5\u987b\u660e\u786e\u4e86\u89e3STM32\u4e32\u53e3DMA\u7684\u4f7f\u7528\u65b9\u6cd5\uff0c\u4ee5\u53ca\u5b83\u7684\u4f18\u7f3a\u70b9\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecdSTM32\u4e32\u53e3DMA\u53ea\u80fd\u53d1\u9001\u4e00\u6b21\u7684\u539f\u56e0\uff0c\u4ee5\u53ca\u5982\u4f55\u6709\u6548\u5229\u7528\u5b83\u3002<\/p>\n

STM32\u4e32\u53e3DMA\u53ea\u80fd\u53d1\u9001\u4e00\u6b21\u539f\u56e0<\/h2>\n

  STM32\u4e32\u53e3DMA\u53ea\u80fd\u53d1\u9001\u4e00\u6b21\u7684\u539f\u56e0\u662f\u7531\u4e8e\u5b83\u4f7f\u7528\u7684\u662fDMA\uff08Direct Memory Access\uff09\u6280\u672f\u3002DMA\u6280\u672f\u53ef\u4ee5\u5b9e\u73b0\u4e3b\u673a\u5904\u7406\u5668\u548c\u5916\u8bbe\u4e4b\u95f4\u7684\u76f4\u63a5\u5185\u5b58\u4f20\u8f93\uff0c\u4ece\u800c\u63d0\u9ad8\u6570\u636e\u4f20\u8f93\u7684\u901f\u5ea6\u3002\u4f46\u662f\uff0c\u7531\u4e8eDMA\u6280\u672f\u6ca1\u6709\u7cfb\u7edf\u5904\u7406\u5668\u7684\u53c2\u4e0e\uff0c\u56e0\u6b64\uff0c\u5b83\u53ea\u80fd\u5b9e\u73b0\u4e00\u6b21\u6570\u636e\u4f20\u8f93\uff0c\u800c\u4e0d\u80fd\u5b9e\u73b0\u591a\u6b21\u6570\u636e\u4f20\u8f93\u3002\u56e0\u6b64\uff0cSTM32\u4e32\u53e3DMA\u53ea\u80fd\u53d1\u9001\u4e00\u6b21\u3002<\/p>\n

STM32\u4e32\u53e3DMA\u7684\u4f18\u52bf<\/h2>\n

  \u7531\u4e8eSTM32\u4e32\u53e3DMA\u53ea\u80fd\u53d1\u9001\u4e00\u6b21\uff0c\u56e0\u6b64\uff0c\u5b83\u7684\u4f18\u52bf\u4e5f\u662f\u663e\u800c\u6613\u89c1\u7684\u3002\u9996\u5148\uff0cSTM32\u4e32\u53e3DMA\u53ef\u4ee5\u6709\u6548\u63d0\u9ad8\u6570\u636e\u4f20\u8f93\u7684\u901f\u5ea6\uff0c\u4ece\u800c\u63d0\u9ad8\u7cfb\u7edf\u7684\u6027\u80fd\u3002\u5176\u6b21\uff0cSTM32\u4e32\u53e3DMA\u53ef\u4ee5\u6709\u6548\u51cf\u5c11CPU\u7684\u8d1f\u8f7d\uff0c\u4ece\u800c\u8282\u7701\u7cfb\u7edf\u7684\u80fd\u8017\u3002\u6b64\u5916\uff0cSTM32\u4e32\u53e3DMA\u8fd8\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u6570\u636e\u4f20\u8f93\u683c\u5f0f\uff0c\u4ece\u800c\u6ee1\u8db3\u4e0d\u540c\u7684\u5e94\u7528\u573a\u666f\u9700\u6c42\u3002<\/p>\n

\u5982\u4f55\u6709\u6548\u5229\u7528STM32\u4e32\u53e3DMA<\/h2>\n

  1.\u786e\u4fdd\u6570\u636e\u4f20\u8f93\u7684\u6b63\u786e\u6027<\/h3>\n

  \u4e3a\u4e86\u6709\u6548\u5229\u7528STM32\u4e32\u53e3DMA\uff0c\u9996\u5148\uff0c\u7528\u6237\u9700\u8981\u786e\u4fdd\u6570\u636e\u4f20\u8f93\u7684\u6b63\u786e\u6027\u3002\u8fd9\u5c31\u9700\u8981\u7528\u6237\u5728\u7f16\u7a0b\u65f6\uff0c\u6b63\u786e\u914d\u7f6eSTM32\u4e32\u53e3DMA\u7684\u53c2\u6570\uff0c\u4ee5\u53ca\u6b63\u786e\u5904\u7406DMA\u4e2d\u65ad\u3002\u53ea\u6709\u5f53\u6570\u636e\u4f20\u8f93\u6b63\u786e\u65e0\u8bef\u65f6\uff0c\u624d\u80fd\u6709\u6548\u5229\u7528STM32\u4e32\u53e3DMA\u3002<\/p>\n

  2.\u5408\u7406\u914d\u7f6eDMA\u7f13\u51b2\u533a\u5927\u5c0f<\/h3>\n

  \u5176\u6b21\uff0c\u4e3a\u4e86\u6709\u6548\u5229\u7528STM32\u4e32\u53e3DMA\uff0c\u7528\u6237\u8fd8\u9700\u8981\u5408\u7406\u914d\u7f6eDMA\u7f13\u51b2\u533a\u7684\u5927\u5c0f\u3002\u4e00\u822c\u6765\u8bf4\uff0c\u7f13\u51b2\u533a\u7684\u5927\u5c0f\u8d8a\u5927\uff0c\u6570\u636e\u4f20\u8f93\u7684\u6548\u7387\u8d8a\u9ad8\uff0c\u4f46\u4e5f\u4f1a\u6d88\u8017\u66f4\u591a\u7684\u7cfb\u7edf\u8d44\u6e90\u3002\u56e0\u6b64\uff0c\u7528\u6237\u9700\u8981\u6839\u636e\u5b9e\u9645\u60c5\u51b5\uff0c\u5408\u7406\u914d\u7f6eDMA\u7f13\u51b2\u533a\u7684\u5927\u5c0f\uff0c\u4ee5\u8fbe\u5230\u6700\u4f73\u7684\u6570\u636e\u4f20\u8f93\u6548\u679c\u3002<\/p>\n

  3.\u53ca\u65f6\u5904\u7406DMA\u4e2d\u65ad<\/h3>\n

  \u6700\u540e\uff0c\u4e3a\u4e86\u6709\u6548\u5229\u7528STM32\u4e32\u53e3DMA\uff0c\u7528\u6237\u8fd8\u9700\u8981\u53ca\u65f6\u5904\u7406DMA\u4e2d\u65ad\u3002\u4e00\u822c\u6765\u8bf4\uff0cDMA\u4e2d\u65ad\u4f1a\u5728\u6570\u636e\u4f20\u8f93\u5b8c\u6210\u65f6\u4ea7\u751f\uff0c\u56e0\u6b64\uff0c\u7528\u6237\u9700\u8981\u53ca\u65f6\u5904\u7406DMA\u4e2d\u65ad\uff0c\u4ee5\u4fbf\u5728\u6570\u636e\u4f20\u8f93\u5b8c\u6210\u540e\uff0c\u53ca\u65f6\u91ca\u653e\u7cfb\u7edf\u8d44\u6e90\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  \u603b\u7684\u6765\u8bf4\uff0cSTM32\u4e32\u53e3DMA\u53ea\u80fd\u53d1\u9001\u4e00\u6b21\uff0c\u4f46\u7528\u6237\u53ef\u4ee5\u901a\u8fc7\u6b63\u786e\u914d\u7f6e\u53c2\u6570\u3001\u5408\u7406\u914d\u7f6eDMA\u7f13\u51b2\u533a\u5927\u5c0f\u3001\u53ca\u65f6\u5904\u7406DMA\u4e2d\u65ad\u7b49\u65b9\u5f0f\uff0c\u6709\u6548\u5229\u7528STM32\u4e32\u53e3DMA\uff0c\u4ece\u800c\u63d0\u9ad8\u7cfb\u7edf\u7684\u6027\u80fd\u548c\u6548\u7387\u3002<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

STM32\u4e32\u53e3DMA\u662f\u4e00\u79cd\u53ef\u4ee5\u5728STM32\u5fae\u63a7\u5236\u5668\u4e2d\u4f7f\u7528\u7684\u6570\u636e\u4f20\u8f93\u65b9\u5f0f\uff0c\u5b83\u53ef\u4ee5\u5c06\u6570\u636e\u4ece\u4e32\u884c\u7aef\u53e3\u53d1\u9001\u5230\u4e3b\u673a\u5904\u7406\u5668\uff0c\u4ece\u800c\u5b9e\u73b0\u5feb\u901f\u6570\u636e\u4f20\u8f93\u3002\u5b83\u53ef\u4ee5\u6709\u6548\u63d0\u9ad8\u6570\u636e\u4f20\u8f93\u7684\u901f\u5ea6\uff0c\u5e76\u51cf\u5c11<\/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-42357","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\/42357","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=42357"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/42357\/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=42357"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=42357"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=42357"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}