{"id":42724,"date":"2023-10-03T22:37:45","date_gmt":"2023-10-03T14:37:45","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=42724"},"modified":"2023-10-03T22:37:52","modified_gmt":"2023-10-03T14:37:52","slug":"hksfs","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/42724.html","title":{"rendered":"Hal Transmit DMA \u5feb\u901f\u53d1\u9001"},"content":{"rendered":"

  Hal Transmit DMA \u5feb\u901f\u53d1\u9001\u662f\u4e00\u79cd\u65b0\u578b\u7684\u6570\u636e\u53d1\u9001\u6280\u672f\uff0c\u5b83\u53ef\u4ee5\u5e2e\u52a9\u7528\u6237\u66f4\u5feb\u3001\u66f4\u5b89\u5168\u5730\u53d1\u9001\u6570\u636e\u3002<\/strong>\u5b83\u7684\u4e3b\u8981\u4f18\u52bf\u5728\u4e8e\u53ef\u4ee5\u66f4\u6709\u6548\u5730\u5229\u7528\u786c\u4ef6\u8d44\u6e90\uff0c\u5e76\u80fd\u591f\u63d0\u4f9b\u66f4\u9ad8\u7684\u6027\u80fd\u548c\u66f4\u4f4e\u7684\u529f\u8017\u3002\u672c\u6587\u5c06\u5bf9Hal Transmit DMA \u5feb\u901f\u53d1\u9001\u7684\u539f\u7406\u3001\u5e94\u7528\u573a\u666f\u4ee5\u53ca\u4f18\u52bf\u8fdb\u884c\u8be6\u7ec6\u4ecb\u7ecd\u3002<\/p>\n

\u539f\u7406\u4ecb\u7ecd<\/h2>\n

  Hal Transmit DMA \u5feb\u901f\u53d1\u9001\u662f\u57fa\u4e8eDMA\uff08Direct Memory Access\uff09\u6280\u672f\u7684\u4e00\u79cd\u6570\u636e\u53d1\u9001\u65b9\u5f0f\uff0c\u5b83\u53ef\u4ee5\u6709\u6548\u5730\u5229\u7528\u786c\u4ef6\u8d44\u6e90\uff0c\u4ece\u800c\u63d0\u9ad8\u7cfb\u7edf\u6027\u80fd\u3002\u4e0e\u4f20\u7edf\u7684\u6570\u636e\u4f20\u8f93\u65b9\u5f0f\u4e0d\u540c\uff0cHal Transmit DMA \u5feb\u901f\u53d1\u9001\u53ef\u4ee5\u5c06\u6570\u636e\u4ece\u5185\u5b58\u4e2d\u76f4\u63a5\u53d1\u9001\u5230\u786c\u4ef6\u8bbe\u5907\uff0c\u800c\u4e0d\u9700\u8981\u901a\u8fc7CPU\u8fdb\u884c\u4e2d\u8f6c\u3002\u8fd9\u6837\u53ef\u4ee5\u51cf\u5c11CPU\u7684\u8d1f\u62c5\uff0c\u4ece\u800c\u63d0\u9ad8\u7cfb\u7edf\u6027\u80fd\u3002<\/p>\n

\u5e94\u7528\u573a\u666f<\/h2>\n

  Hal Transmit DMA \u5feb\u901f\u53d1\u9001\u9002\u7528\u4e8e\u591a\u79cd\u5e94\u7528\u573a\u666f\uff0c\u5176\u4e2d\u5305\u62ec\u4f46\u4e0d\u9650\u4e8e\uff1a<\/p>\n

  1.\u6587\u4ef6\u4f20\u8f93<\/h3>\n

  Hal Transmit DMA \u5feb\u901f\u53d1\u9001\u53ef\u4ee5\u7528\u4e8e\u6587\u4ef6\u4f20\u8f93\uff0c\u53ef\u4ee5\u6781\u5927\u5730\u63d0\u9ad8\u6587\u4ef6\u4f20\u8f93\u7684\u901f\u5ea6\uff0c\u4ece\u800c\u5927\u5927\u7f29\u77ed\u6587\u4ef6\u4f20\u8f93\u7684\u65f6\u95f4\u3002<\/p>\n

  2.\u89c6\u9891\u4f20\u8f93<\/h3>\n

  Hal Transmit DMA \u5feb\u901f\u53d1\u9001\u4e5f\u53ef\u4ee5\u7528\u4e8e\u89c6\u9891\u4f20\u8f93\uff0c\u53ef\u4ee5\u5927\u5927\u63d0\u9ad8\u89c6\u9891\u4f20\u8f93\u7684\u901f\u5ea6\uff0c\u4ece\u800c\u66f4\u52a0\u6d41\u7545\u5730\u4f20\u8f93\u89c6\u9891\u3002<\/p>\n

  3.\u97f3\u9891\u4f20\u8f93<\/h3>\n

  Hal Transmit DMA \u5feb\u901f\u53d1\u9001\u8fd8\u53ef\u4ee5\u7528\u4e8e\u97f3\u9891\u4f20\u8f93\uff0c\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u97f3\u9891\u4f20\u8f93\u7684\u6548\u7387\uff0c\u4ece\u800c\u4f7f\u97f3\u9891\u4f20\u8f93\u66f4\u52a0\u6d41\u7545\u3002<\/p>\n

\u4f18\u52bf<\/h2>\n

  Hal Transmit DMA \u5feb\u901f\u53d1\u9001\u5177\u6709\u4ee5\u4e0b\u4f18\u52bf\uff1a<\/h3>\n

  1.\u9ad8\u6548<\/h3>\n

  Hal Transmit DMA \u5feb\u901f\u53d1\u9001\u53ef\u4ee5\u6709\u6548\u5730\u5229\u7528\u786c\u4ef6\u8d44\u6e90\uff0c\u4ece\u800c\u63d0\u9ad8\u7cfb\u7edf\u6027\u80fd\uff0c\u5927\u5927\u63d0\u5347\u6570\u636e\u53d1\u9001\u7684\u901f\u5ea6\u3002<\/p>\n

  2.\u4f4e\u529f\u8017<\/h3>\n

  Hal Transmit DMA \u5feb\u901f\u53d1\u9001\u53ef\u4ee5\u6709\u6548\u51cf\u5c11CPU\u7684\u8d1f\u62c5\uff0c\u4ece\u800c\u964d\u4f4e\u7cfb\u7edf\u7684\u529f\u8017\uff0c\u66f4\u52a0\u73af\u4fdd\u3002<\/p>\n

  3.\u5b89\u5168<\/h3>\n

  Hal Transmit DMA \u5feb\u901f\u53d1\u9001\u53ef\u4ee5\u6709\u6548\u9632\u6b62\u6570\u636e\u6cc4\u9732\uff0c\u4ece\u800c\u66f4\u52a0\u5b89\u5168\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  Hal Transmit DMA \u5feb\u901f\u53d1\u9001\u662f\u4e00\u79cd\u65b0\u578b\u7684\u6570\u636e\u53d1\u9001\u6280\u672f\uff0c\u5b83\u53ef\u4ee5\u5e2e\u52a9\u7528\u6237\u66f4\u5feb\u3001\u66f4\u5b89\u5168\u5730\u53d1\u9001\u6570\u636e\u3002<\/strong>\u5b83\u7684\u4f18\u52bf\u5728\u4e8e\u53ef\u4ee5\u66f4\u6709\u6548\u5730\u5229\u7528\u786c\u4ef6\u8d44\u6e90\uff0c\u5e76\u80fd\u591f\u63d0\u4f9b\u66f4\u9ad8\u7684\u6027\u80fd\u548c\u66f4\u4f4e\u7684\u529f\u8017\u3002\u5b83\u9002\u7528\u4e8e\u6587\u4ef6\u4f20\u8f93\u3001\u89c6\u9891\u4f20\u8f93\u548c\u97f3\u9891\u4f20\u8f93\u7b49\u591a\u79cd\u5e94\u7528\u573a\u666f\uff0c\u4e3a\u7528\u6237\u63d0\u4f9b\u4e86\u66f4\u591a\u7684\u4fbf\u5229\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

HalTransmitDMA\u5feb\u901f\u53d1\u9001\u662f\u4e00\u79cd\u65b0\u578b\u7684\u6570\u636e\u53d1\u9001\u6280\u672f\uff0c\u5b83\u53ef\u4ee5\u5e2e\u52a9\u7528\u6237\u66f4\u5feb\u3001\u66f4\u5b89\u5168\u5730\u53d1\u9001\u6570\u636e\u3002\u5b83\u7684\u4e3b\u8981\u4f18\u52bf\u5728\u4e8e\u53ef\u4ee5\u66f4\u6709\u6548\u5730\u5229<\/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":[305],"class_list":["post-42724","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-dzjs"],"_links":{"self":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/42724","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=42724"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/42724\/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=42724"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=42724"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=42724"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}