{"id":289199,"date":"2023-12-29T21:16:37","date_gmt":"2023-12-29T13:16:37","guid":{"rendered":"https:\/\/lrxjmw.cn\/lqrsxcqxgqdj.html"},"modified":"2023-12-29T21:16:37","modified_gmt":"2023-12-29T13:16:37","slug":"lqrsxcqxgqdj","status":"publish","type":"post","link":"https:\/\/lrxjmw.cn\/lqrsxcqxgqdj.html","title":{"rendered":"Linux\u5d4c\u5165\u5f0f\u65b0\u5ba0\uff1a\u5168\u65b0GPIO\u9a71\u52a8\u67b6\u6784\u9707\u64bc\u53d1\u5e03\uff0c\u786c\u4ef6\u64cd\u63a7\u66f4\u4fbf\u6377"},"content":{"rendered":"

\u719f\u6089\u5f00\u6e90\u754c\u7684\u670b\u53cb\u4eec\u90fd\u77e5\u9053Linux<\/a>\u64cd\u4f5c \u7cfb\u7edf<\/a>\u662f\u5f15\u9886\u8005\uff0c\u5176\u4e2d\u5d4c\u5165\u5f0f\u9886\u57df\u7684\u8868\u73b0\u66f4\u662f\u51fa\u8272\u3002\u4f5c\u4e3a\u5d4c\u5165\u5f0f\u73af\u5883\u7684\u91cd\u8981\u7ec4\u4ef6\uff0cGPIO\u521d\u59cb\u5316\u59cb\u7ec8\u53d7\u5230\u4f17\u591a\u5b66\u8005\u7684\u9ad8\u5ea6\u5173\u6ce8\u3002\u8fd1\u671f\uff0c\u65e0\u7591\u662fLinux\u793e\u533a\u7684\u5229\u597d\u6d88\u606f\uff0c\u4ed6\u4eec\u516c\u5e03\u4e86\u4e00\u9879\u91cd\u8981\u7814\u53d1\u6210\u679c——\u5168\u65b0\u7684GPIO\u9a71\u52a8 \u67b6\u6784<\/a>\uff0c\u8fd9\u4e2a\u521b\u65b0\u6027\u7684\u6280\u672f\u7ed9\u5f00\u53d1\u4eba\u5458\u5e26\u6765\u4e86\u66f4\u4e3a\u4fbf\u6377\u4e14\u5177\u6709\u9ad8\u5ea6\u7075\u6d3b\u6027\u7684 \u786c\u4ef6<\/a>\u64cd\u63a7\u65b9\u5f0f\u3002<\/p>\n

\u5728\u6b64\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u4eec\u5c06\u7b80\u8981\u9610\u8ff0\u8fd9\u65b0\u578bGPIO\u9a71\u52a8\u67b6\u6784\u53ca\u5176\u5bf9\u5d4c\u5165\u5f0f\u7cfb\u7edf\u5f00\u53d1\u8005\u53ca\u786c\u4ef6\u8ff7\u4eec\u7684\u91cd\u8981\u4ef7\u503c\u3002<\/p>\n

1.\u652f\u6301\u591a\u79cd\u786c\u4ef6\u5e73\u53f0<\/b><\/p>\n

\u5168\u65b0\u7684 GPIO\u9a71\u52a8\u6846\u67b6<\/a>\u7279\u522b\u6ce8\u91cd\u4e86\u517c\u5bb9\u6027\u7684\u8003\u91cf\uff0c\u5c3d\u529b\u9002\u914d\u5404\u5f0f\u5404\u6837\u7684\u786c\u4ef6\u5e73\u53f0linux gpio\u9a71\u52a8\u6846\u67b6<\/strong>\uff0c\u5305\u62ec\u6211\u4eec\u719f\u77e5\u7684 ARM \u548c x86\u7b49\u7c7b\u578b\u3002\u5982\u6b64\u7cbe\u7ec6\u7684\u8bbe\u8ba1\u786e\u4fdd\u65e0\u8bba\u662f\u4f55\u79cd\u786c\u4ef6\u8bbe\u5907\uff0c\u90fd\u80fd\u8f7b\u677e\u64cd\u63a7\u8be5\u65b0\u9a71\u52a8\u6765\u5b9e\u73b0 GPIO\u5f15\u811a\u7684\u64cd\u7eb5\u3002<\/p>\n

$\u6846\u67b6\u9a71\u52a8\u7ffb\u8bd1\u7b56\u7565_linux gpio\u9a71\u52a8\u6846\u67b6_linuxv4l2\u9a71\u52a8\u6846\u67b6$ <\/p>\n

2.\u7b80\u5316\u7f16\u7a0b\u63a5\u53e3<\/b><\/p>\n

\u5728\u6b64\u4e4b\u524d\uff0c\u5f00\u53d1\u4eba\u5458\u5728\u5904\u7406GPIO\u7f16\u7a0b\u65f6\u8981\u9762\u5bf9\u76f4\u63a5\u64cd\u4f5c\u5bc4\u5b58\u5668\u548c\u5e95\u5c42\u786c\u4ef6\u8fd9\u6837\u8270\u5de8\u7684\u4efb\u52a1\uff0c\u5bf9\u4e8e\u65b0\u624b\u6765\u8bf4\u5b9e\u5728\u96be\u4ee5\u9a7e\u9a6d\u3002\u7136\u800c\uff0c\u65b0\u7684GPIO\u9a71\u52a8\u6846\u67b6\u63a8\u51fa\u7684\u4e00\u7cfb\u5217\u65b9\u4fbf\u5b9e\u7528\u7684API\uff0c\u6781\u5927\u5730\u7b80\u5316\u4e86\u8fd9\u79cd\u5168\u65b0\u7684\u5de5\u4f5c\u65b9\u5f0f\u3002\u73b0\u5728\uff0c\u4ec5\u4ec5\u901a\u8fc7\u8c03\u7528\u7279\u5b9a\u7684\u51fd\u6570\u5c31\u53ef\u4ee5\u8f7b\u677e\u7ba1\u7406GPIO\u5f15\u811a\uff0c\u65e0\u9700\u518d\u6df1\u9677\u590d\u6742\u7684\u786c\u4f53\u7cfb\u7ed3\u6784\u3002<\/p>\n

3.\u652f\u6301\u591a\u79cd\u786c\u4ef6\u529f\u80fd<\/b><\/p>\n

\u5168\u65b0\u7684GPIO\u9a71\u52a8\u67b6\u6784\u4e0d\u4ec5\u6ee1\u8db3\u57fa\u7840\u7684\u8f93\u5165\/\u8f93\u51fa\u8981\u6c42\uff0c\u66f4\u62e5\u6709\u5927\u91cf\u786c\u4ef6\u529f\u80fd\u63a5\u53e3linux vi \u547d\u4ee4\uff0c\u5305\u62ec\u4e2d\u65ad\u89e6\u53d1\u3001PWM\u8f93\u51fa\u3001\u7535\u5e73\u7b49\u68c0\u6d4b\u7b49\u7279\u6027\u3002\u8fd9\u6837\uff0c\u6211\u4eec\u80fd\u66f4\u52a0\u7075\u5de7\u5730\u8fd0\u7528GPIO\u7aef\u53e3\u5b9e\u73b0\u5404\u79cd\u65b0\u9896\u7684\u786c\u4ef6\u529f\u80fd\u3002<\/p>\n

4.\u66f4\u9ad8\u6548\u7684\u8d44\u6e90\u7ba1\u7406<\/b><\/p>\n

\u5728\u8fc7\u53bb\uff0cGPIO\u8d44\u6e90\u7ba1\u7406\u5e38\u5e38\u662f\u4e00\u9879\u590d\u6742\u4e14\u6613\u72af\u9519\u7684\u4efb\u52a1\u3002\u7136\u800c\uff0c\u5168\u65b0\u7684GPIO\u9a71\u52a8\u67b6\u6784\u8fd0\u7528\u4e86\u8bbe\u5907\u6811\u7684\u7406\u5ff5\uff0c\u6210\u529f\u5730\u5b8c\u6210\u4e86GPIO\u8d44\u6e90\u7684\u7cbe\u786e\u7ba1\u63a7\u3002\u60a8\u53ea\u9700\u5728\u8bbe\u5907\u6811\u4e0a\u6807\u6ce8\u8bda\u6073\u9700\u8981\u7684GPIO\u5f15\u811a\uff0c\u7cfb\u7edf\u5c31\u5c06\u81ea\u52a8\u5b8c\u6210\u8d44\u6e90\u5206\u914d\u5e76\u9002\u65f6\u91ca\u653e\uff0c\u4ece\u800c\u6781\u5927\u5730\u7b80\u5316\u4e86\u6574\u4e2a\u5f00\u53d1\u8fc7\u7a0b\u3002<\/p>\n

5.\u63d0\u4f9b\u8c03\u8bd5\u5de5\u5177<\/b><\/p>\n

\u4e3a\u534f\u52a9\u5e7f\u5927\u5f00\u53d1\u8005\u66f4\u9ad8\u6548\u4fbf\u6377\u5730\u5b9e\u73b0GPIO\u7a0b\u5e8f\u7f16\u5199\u4e0e\u8c03\u5f0f\uff0c\u672c\u6b21\u63a8\u51fa\u7684\u65b0\u7248 GPIO \u9a71\u52a8\u6846\u67b6\u7279\u522b\u914d\u5907\u4e86\u4e00\u7ec4\u529f\u80fd\u5f3a\u5927\u7684\u8c03\u8bd5\u5de5\u5177\u3002\u901a\u8fc7\u5229\u7528\u8fd9\u4e9b\u8d44\u6e90\uff0c\u60a8\u5c06\u80fd\u591f\u5b9e\u65f6\u638c\u63e1\u5404 GPIO \u5f15\u811a\u72b6\u51b5\u5e76\u8f93\u51fa\u8be6\u7ec6\u7684\u65e5\u5fd7\u8bb0\u5f55\uff0c\u52a9\u60a8\u66f4\u8f7b\u677e\u5730\u5b9a\u4f4d\u4e0e\u89e3\u51b3\u95ee\u9898\uff0c\u8fdb\u4e00\u6b65\u63d0\u5347\u7f16\u7a0b\u6548\u7387\u53ca\u8bbe\u5907\u6027\u80fd\u8868\u73b0\u3002<\/p>\n

6.\u4e30\u5bcc\u7684\u793e\u533a\u652f\u6301<\/b><\/p>\n

$\u6846\u67b6\u9a71\u52a8\u7ffb\u8bd1\u7b56\u7565_linuxv4l2\u9a71\u52a8\u6846\u67b6_linux gpio\u9a71\u52a8\u6846\u67b6$ <\/p>\n

\u4f5c\u4e3aLinux\u5185\u6838\u7ec4\u4ef6\uff0c\u65b0\u589e\u7684GPIO\u9a71\u52a8\u6846\u67b6\u5e7f\u53d7\u4e13\u4e1a\u5f00\u53d1\u8005\u62e5\u62a4\u3002\u5f00\u53d1\u8005\u53ef\u5171\u8944\u76db\u4e3e\uff0c\u5206\u4eab\u5fc3\u5f97\u4e0e\u96be\u9898\u7ea2\u65d7linux\u7cfb\u7edf\uff0c\u5171\u540c\u63a2\u8ba8\u6c42\u77e5\u3002\u6b64\u4ee5\u5b66\u4e60\u5b9e\u8df5\u4e3a\u4e3b\u9898\u7684\u6d3b\u52a8\uff0c\u5bf9\u4e8e\u91c7\u7528\u5168\u65b0GPIO\u9a71\u52a8\u6846\u67b6\u7684\u60a8\u6765\u8bf4\u662f\u5b9d\u8d35\u7684\u5b66\u4e60\u826f\u673a\u3002<\/p>\n

7.\u517c\u5bb9\u6027\u548c\u7a33\u5b9a\u6027<\/b><\/p>\n

\u6b64\u6b3e\u5168\u65b0GPIO\u9a71\u52a8\u6846\u67b6\u7ecf\u4e25\u8c28\u6d4b\u8bd5\u4e0e\u8ba4\u8bc1<\/a>\uff0c\u5177\u6709\u9ad8\u9002\u914d\u6027\u4e0e\u7a33\u56fa\u6027\uff0c\u65e0\u8bba\u60a8\u6311\u9009\u4f55\u79cd\u5d4c\u5165\u5f0f\u8bbe\u5907\uff0c\u7686\u53ef\u65e0\u5fe7\u4f7f\u7528\u3002\u656c\u8bf7\u5173\u6ce8\uff0c\u611f\u53d7\u5b83\u5e26\u6765\u7684\u4fbf\u6377\u65b9\u4fbf\u5427\uff01<\/p>\n

8.\u672a\u6765\u53d1\u5c55\u524d\u666f\u5e7f\u9614<\/b><\/p>\n

\u968f\u7740\u7269\u8054\u7f51\u6280\u672f\u8fc5\u901f\u5d1b\u8d77\uff0c\u5d4c\u5165\u5f0f\u7cfb\u7edf\u7684\u5e94\u7528\u5c06\u66f4\u52a0\u5e7f\u6cdb\uff0c\u5176\u4e2d\uff0cGPIO\uff08\u8f93\u5165\/\u8f93\u51fa\uff09\u6a21\u5757\u56e0\u5176\u57fa\u7840\u4e14\u5173\u952e\u7684\u5730\u4f4d\uff0c\u5b83\u7684\u63a7\u5236\u65b9\u6cd5\u6108\u53d1\u91cd\u8981\u3002\u6700\u8fd1\u63a8\u51fa\u7684GPIO\u9a71\u52a8\u65b0\u6846\u67b6\u7ed9\u5d4c\u5165\u5f0f\u7cfb\u7edf\u5f00\u53d1\u4eba\u5458\u63d0\u4f9b\u4e86\u66f4\u591a\u7684\u9009\u62e9\u548c\u4fbf\u5229\u6027\uff0c\u5fc5\u5c06\u63a8\u52a8\u7269\u8054\u7f51\u76f8\u5173\u884c\u4e1a\u7684\u7e41\u8363\u53d1\u5c55\u3002<\/p>\n

\u603b\u800c\u8a00\u4e4blinux gpio\u9a71\u52a8\u6846\u67b6<\/strong>\uff0c\u65b0GPIO\u9a71\u52a8\u6846\u67b6\u7684\u53d1\u5e03\uff0c\u8981\u8bf4\u65e0\u7591\u662f\u786c\u4ef6\u63a7\u5236\u9886\u57df\u65b0\u65f6\u4ee3\u7684\u66d9\u5149\u3002\u4ece\u6b64\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u65b9\u4fbf\u81ea\u5728\u5730\u638c\u63a7GPIO\uff0c\u4f7f\u5f97\u5d4c\u5165\u5f0f\u7cfb\u7edf\u7684\u521b\u65b0\u4e0e\u53d1\u5c55\u5f97\u4ee5\u52a0\u901f\u63a8\u8fdb\u3002\u671f\u5f85\u672a\u6765\uff0c\u8fd9\u79cd\u9a71\u52a8\u6846\u67b6\u5728\u5d4c\u5165\u5f0f\u7cfb\u7edf\u5f00\u53d1\u4e2d\u7684\u91cd\u8981\u6027\u6709\u589e\u65e0\u51cf\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u7136\u800c\uff0c\u65b0\u7684GPIO\u9a71\u52a8\u6846\u67b6\u63a8\u51fa\u7684\u4e00\u7cfb\u5217\u65b9\u4fbf\u5b9e\u7528\u7684API\uff0c\u6781\u5927\u5730\u7b80\u5316\u4e86\u8fd9\u79cd\u5168\u65b0\u7684\u5de5\u4f5c\u65b9\u5f0f\u3002\u7136\u800c\uff0c\u5168\u65b0\u7684GPIO\u9a71\u52a8\u67b6\u6784\u8fd0\u7528\u4e86\u8bbe\u5907\u6811\u7684\u7406\u5ff5\uff0c\u6210\u529f\u5730\u5b8c\u6210\u4e86GPIO\u8d44\u6e90\u7684\u7cbe\u786e\u7ba1\u63a7\u3002\u6700\u8fd1\u63a8\u51fa\u7684GPIO\u9a71\u52a8\u65b0\u6846\u67b6\u7ed9\u5d4c\u5165\u5f0f\u7cfb\u7edf\u5f00\u53d1\u4eba\u5458\u63d0\u4f9b\u4e86\u66f4\u591a\u7684\u9009\u62e9\u548c\u4fbf\u5229\u6027\uff0c\u5fc5\u5c06\u63a8\u52a8\u7269\u8054\u7f51\u76f8\u5173\u884c\u4e1a\u7684\u7e41\u8363\u53d1\u5c55\u3002<\/p>\n","protected":false},"author":1,"featured_media":289200,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[988],"tags":[999],"class_list":["post-289199","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tougao","tag-999"],"acf":[],"_links":{"self":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts\/289199","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/comments?post=289199"}],"version-history":[{"count":0,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts\/289199\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/media\/289200"}],"wp:attachment":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/media?parent=289199"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/categories?post=289199"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/tags?post=289199"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}