{"id":39242,"date":"2023-09-27T08:44:37","date_gmt":"2023-09-27T00:44:37","guid":{"rendered":"\/\/www.dealsbon.com\/?p=39242"},"modified":"2023-09-27T08:44:37","modified_gmt":"2023-09-27T00:44:37","slug":"szwcksjcsdzjjjfa","status":"publish","type":"post","link":"\/\/www.dealsbon.com\/blog\/39242.html","title":{"rendered":"STM32 UART DMA\uff1a\u638c\u63e1\u4e32\u53e3\u6570\u636e\u4f20\u8f93\u7684\u6700\u4f73\u89e3\u51b3\u65b9\u6848"},"content":{"rendered":"
STM32 UART DMA\u662f\u4e00\u79cd\u5e38\u7528\u7684\u4e32\u53e3\u6570\u636e\u4f20\u8f93\u6280\u672f\uff0c\u5b83\u53ef\u4ee5\u6709\u6548\u63d0\u9ad8\u6570\u636e\u4f20\u8f93\u7684\u901f\u5ea6\u548c\u7a33\u5b9a\u6027\uff0c\u4e3a\u5404\u79cd\u5e94\u7528\u63d0\u4f9b\u6700\u4f73\u7684\u89e3\u51b3\u65b9\u6848\u3002\u672c\u6587\u5c06\u4ecb\u7ecdSTM32 UART DMA\u7684\u5de5\u4f5c\u539f\u7406\uff0c\u4ee5\u53ca\u5982\u4f55\u5229\u7528\u5b83\u6765\u63d0\u9ad8\u4e32\u53e3\u6570\u636e\u4f20\u8f93\u7684\u6027\u80fd\u3002<\/p>\n
STM32 UART DMA\u662f\u4e00\u79cd\u57fa\u4e8eSTM32\u5fae\u63a7\u5236\u5668\u7684\u4e32\u53e3\u6570\u636e\u4f20\u8f93\u6280\u672f\uff0c\u5b83\u4f7f\u7528DMA\uff08Direct Memory Access\uff09\u6765\u5b9e\u73b0\u6570\u636e\u4f20\u8f93\uff0c\u53ef\u4ee5\u5927\u5927\u63d0\u9ad8\u6570\u636e\u4f20\u8f93\u7684\u901f\u5ea6\u548c\u7a33\u5b9a\u6027\u3002STM32 UART DMA\u7684\u4e3b\u8981\u529f\u80fd\u5305\u62ec\uff1a<\/p>\n
STM32 UART DMA\u7684\u5de5\u4f5c\u539f\u7406\u662f\uff1a\u5f53STM32\u5fae\u63a7\u5236\u5668\u53d1\u51fa\u6570\u636e\u65f6\uff0cDMA\u4f1a\u68c0\u6d4b\u5230\u6570\u636e\u53d1\u51fa\u7684\u4fe1\u53f7\uff0c\u5e76\u5c06\u6570\u636e\u590d\u5236\u5230\u4e32\u53e3\u53d1\u9001\u7f13\u51b2\u533a\u4e2d\uff0c\u7136\u540e\u901a\u8fc7\u4e32\u53e3\u53d1\u9001\u51fa\u53bb\u3002\u5f53\u63a5\u6536\u5230\u6570\u636e\u65f6\uff0cDMA\u4f1a\u5c06\u63a5\u6536\u5230\u7684\u6570\u636e\u590d\u5236\u5230\u4e32\u53e3\u63a5\u6536\u7f13\u51b2\u533a\u4e2d\uff0c\u7136\u540eSTM32\u5fae\u63a7\u5236\u5668\u5c31\u53ef\u4ee5\u63a5\u6536\u5230\u6570\u636e\u4e86\u3002<\/p>\n
STM32 UART DMA\u7684\u4f18\u52bf\u5728\u4e8e\uff0c\u5b83\u53ef\u4ee5\u8ba9STM32\u5fae\u63a7\u5236\u5668\u5b9e\u73b0\u9ad8\u6548\u7684\u6570\u636e\u4f20\u8f93\uff0c\u800c\u4e0d\u9700\u8981\u6d88\u8017\u592a\u591a\u7684CPU\u8d44\u6e90\u3002\u6b64\u5916\uff0cSTM32 UART DMA\u8fd8\u80fd\u591f\u652f\u6301\u591a\u79cd\u901a\u4fe1\u534f\u8bae\uff0c\u591a\u79cd\u6570\u636e\u683c\u5f0f\uff0c\u591a\u79cd\u6570\u636e\u5e27\u683c\u5f0f\uff0c\u591a\u79cd\u4e2d\u65ad\u6a21\u5f0f\uff0c\u591a\u79cdFIFO\u6a21\u5f0f\uff0c\u591a\u79cd\u6570\u636e\u5904\u7406\u6a21\u5f0f\u7b49\uff0c\u4ece\u800c\u66f4\u597d\u5730\u6ee1\u8db3\u4e0d\u540c\u5e94\u7528\u573a\u666f\u7684\u9700\u6c42\u3002<\/p>\n
STM32 UART DMA\u53ef\u4ee5\u6709\u6548\u63d0\u9ad8\u4e32\u53e3\u6570\u636e\u4f20\u8f93\u7684\u6027\u80fd\uff0c\u4ee5\u6ee1\u8db3\u4e0d\u540c\u5e94\u7528\u573a\u666f\u7684\u9700\u6c42\u3002\u8981\u5229\u7528STM32 UART DMA\u63d0\u9ad8\u4e32\u53e3\u6570\u636e\u4f20\u8f93\u6027\u80fd\uff0c\u9700\u8981\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n
\u9996\u5148\uff0c\u9700\u8981\u8fdb\u884cSTM32 UART DMA\u7684\u914d\u7f6e\uff0c\u5305\u62ec\u8bbe\u7f6e\u6570\u636e\u4f20\u8f93\u6a21\u5f0f\u3001\u6570\u636e\u683c\u5f0f\u3001\u901a\u4fe1\u534f\u8bae\u3001\u901f\u7387\u3001\u6570\u636e\u5e27\u683c\u5f0f\u3001\u4e2d\u65ad\u6a21\u5f0f\u3001FIFO\u6a21\u5f0f\u548c\u6570\u636e\u5904\u7406\u6a21\u5f0f\u7b49\u3002<\/p>\n
\u5176\u6b21\uff0c\u9700\u8981\u8bbe\u7f6eDMA\u53c2\u6570\uff0c\u5305\u62ecDMA\u4f20\u8f93\u6a21\u5f0f\u3001DMA\u4f20\u8f93\u65b9\u5411\u3001DMA\u4f20\u8f93\u5927\u5c0f\u3001DMA\u4f20\u8f93\u95f4\u9694\u7b49\u3002<\/p>\n
\u6700\u540e\uff0c\u9700\u8981\u542f\u52a8DMA\u4f20\u8f93\uff0c\u4ee5\u5b9e\u73b0STM32 UART DMA\u7684\u6570\u636e\u4f20\u8f93\u3002<\/p>\n
\u672c\u6587\u4ecb\u7ecd\u4e86STM32 UART DMA\u7684\u5de5\u4f5c\u539f\u7406\uff0c\u4ee5\u53ca\u5982\u4f55\u5229\u7528\u5b83\u6765\u63d0\u9ad8\u4e32\u53e3\u6570\u636e\u4f20\u8f93\u7684\u6027\u80fd\u3002<\/strong>STM32 UART DMA\u53ef\u4ee5\u8ba9STM32\u5fae\u63a7\u5236\u5668\u5b9e\u73b0\u9ad8\u6548\u7684\u6570\u636e\u4f20\u8f93\uff0c\u800c\u4e0d\u9700\u8981\u6d88\u8017\u592a\u591a\u7684CPU\u8d44\u6e90\uff0c\u53ef\u4ee5\u66f4\u597d\u5730\u6ee1\u8db3\u4e0d\u540c\u5e94\u7528\u573a\u666f\u7684\u9700\u6c42\u3002\u8981\u5229\u7528STM32 UART DMA\u63d0\u9ad8\u4e32\u53e3\u6570\u636e\u4f20\u8f93\u6027\u80fd\uff0c\u9700\u8981\u914d\u7f6eSTM32 UART DMA\u3001\u8bbe\u7f6eDMA\u53c2\u6570\uff0c\u4ee5\u53ca\u542f\u52a8DMA\u4f20\u8f93\u3002<\/p>\n","protected":false},"excerpt":{"rendered":" STM32UARTDMA\u662f\u4e00\u79cd\u5e38\u7528\u7684\u4e32\u53e3\u6570\u636e\u4f20\u8f93\u6280\u672f\uff0c\u5b83\u53ef\u4ee5\u6709\u6548\u63d0\u9ad8\u6570\u636e\u4f20\u8f93\u7684\u901f\u5ea6\u548c\u7a33\u5b9a\u6027\uff0c\u4e3a\u5404\u79cd\u5e94\u7528\u63d0\u4f9b\u6700\u4f73\u7684\u89e3\u51b3\u65b9\u6848\u3002\u672c\u6587\u5c06\u4ecb\u7ecdSTM32UARTDMA\u7684\u5de5\u4f5c<\/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-39242","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-stm32"],"_links":{"self":[{"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/posts\/39242"}],"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=39242"}],"version-history":[{"count":0,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/posts\/39242\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/media\/4132"}],"wp:attachment":[{"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/media?parent=39242"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/categories?post=39242"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/tags?post=39242"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}