{"id":155,"date":"2021-03-24T20:25:52","date_gmt":"2021-03-24T12:25:52","guid":{"rendered":"https:\/\/blogs.gongqilin.cn\/?p=155"},"modified":"2021-03-24T20:26:08","modified_gmt":"2021-03-24T12:26:08","slug":"stm32gpio%e9%85%8d%e7%bd%ae","status":"publish","type":"post","link":"https:\/\/blogs.gongqilin.cn\/?p=155","title":{"rendered":"STM32GPIO\u914d\u7f6e"},"content":{"rendered":"<p>\u6709\u5982\u4e0b\u4e00\u6bb5\u914d\u7f6eF030\u7684SPI\u7684GPIO\u7684\u7a0b\u5e8f\uff0c\u5176\u4e2dPB13\u4e3aSCK\uff0cPB14\u4e3aMISO\uff0cPB15\u4e3aMOSI\u3002<br \/>\n<code>GPIO_InitStructure.GPIO_Pin = GPIO_Pin_13|GPIO_Pin_14|GPIO_Pin_15;<br \/>\nGPIO_InitStructure.GPIO_Speed = GPIO_Medium_Speed;<br \/>\nGPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;\/\/\u590d\u7528\u529f\u80fd<br \/>\nGPIO_InitStructure.GPIO_OType = GPIO_OType_PP;\/\/\u63a8\u633d\u8f93\u51fa<br \/>\nGPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;\/\/\u4e0a\u62c9<br \/>\nGPIO_Init(GPIOB, &amp;GPIO_InitStructure);<\/code><\/p>\n<p>\u663e\u7136SCK\u8f93\u51fa\uff0cMISO\u4e3a\u8f93\u5165\u3002\u90a3\u4e48\u95ee\u9898\u6765\u4e86\uff0c\u4e3a\u5565\u50cfSPI\u7684MISO\u6216\u8005USART\u7684RX\u603b\u662f\u4e00\u8d77\u914d\u7f6e\u4e3a\u63a8\u633d\u8f93\u51fa\u6a21\u5f0f\u5462\uff1f<\/p>\n<p>\u5728\u8fd9\u91cc\u6211\u4eec\u5e94\u5f53\u77e5\u9053\u4e24\u70b9\uff1a<\/p>\n<ul>\n<li>\u5f53GPIO\u8bbe\u7f6e\u6210\u63a8\u633d\u8f93\u51fa\u65f6\uff0c\u786c\u4ef6\u5904\u662fIO\u8ddf\u8f93\u5165\u6a21\u5f0f\u65ad\u5f00\u7684\uff0c\u6240\u4ee5\u5728\u6b64\u65f6\u8bbe\u7f6e\u8f6f\u4ef6\u4e0a\u62c9\u4e0b\u62c9\u662f\u6ca1\u6709\u610f\u4e49\u7684\u3002<\/li>\n<li>\u53e6\u5916\u503c\u5f97\u6ce8\u610f\u7684\u662f\u5982\u679c\u914d\u7f6e\u4e3a\u590d\u7528\u529f\u80fd\uff0c\u8f93\u5165\/\u8f93\u51fa\u72b6\u6001\uff0c\u5b8c\u5168\u7531\u5916\u8bbe\u638c\u63e1\uff0c\u8fd9\u65f6\u8bbe\u7f6e\u8f6f\u4ef6\u8f93\u5165\/\u8f93\u51fa\u72b6\u6001\u4e5f\u662f\u6ca1\u6709\u610f\u4e49\u7684\u3002<\/li>\n<\/ul>\n<p>\u4e0a\u9762\u7684\u7a0b\u5e8f\u4e2d\uff0c\u6211\u4eec\u77e5\u9053PB13\u3001PB14\u3001PB15\u90fd\u88ab\u914d\u7f6e\u590d\u7528\uff08SPI\uff09\u529f\u80fd\uff0c\u8fd9\u65f6\u5df2\u7ecf\u786e\u5b9a\u4e86PB13\u3001PB15\u4e3a\u8f93\u51fa\uff0cPB14\u4e3a\u8f93\u5165\u3002\u90a3\u4e48\u7b54\u6848\u5c31\u6709\u4e86\uff0c\u63a8\u633d\u8f93\u51fa\u5bf9PB13\u3001PB15\u6709\u6548\uff0c\u5bf9PB14\u65e0\u6548\uff0c\u4e0a\u62c9\u914d\u7f6e\u5bf9PB14\u6709\u6548\uff0c\u5bf9PB13\u3001PB15\u65e0\u6548\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6709\u5982\u4e0b\u4e00\u6bb5\u914d\u7f6eF030\u7684SPI\u7684GPIO\u7684\u7a0b\u5e8f\uff0c\u5176\u4e2dPB13\u4e3aSCK\uff0cPB14\u4e3aMISO\uff0cPB15\u4e3aMOSI\u3002 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":["post-155","post","type-post","status-publish","format-standard","hentry","category-stm32"],"_links":{"self":[{"href":"https:\/\/blogs.gongqilin.cn\/index.php?rest_route=\/wp\/v2\/posts\/155","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.gongqilin.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blogs.gongqilin.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.gongqilin.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.gongqilin.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=155"}],"version-history":[{"count":3,"href":"https:\/\/blogs.gongqilin.cn\/index.php?rest_route=\/wp\/v2\/posts\/155\/revisions"}],"predecessor-version":[{"id":158,"href":"https:\/\/blogs.gongqilin.cn\/index.php?rest_route=\/wp\/v2\/posts\/155\/revisions\/158"}],"wp:attachment":[{"href":"https:\/\/blogs.gongqilin.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=155"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blogs.gongqilin.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=155"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blogs.gongqilin.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=155"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}