{"id":367,"date":"2025-06-22T10:10:00","date_gmt":"2025-06-22T02:10:00","guid":{"rendered":"https:\/\/ziyuan.work\/?p=367"},"modified":"2025-12-19T21:36:09","modified_gmt":"2025-12-19T13:36:09","slug":"ble%e5%ba%94%e7%94%a8%e5%b1%82","status":"publish","type":"post","link":"https:\/\/ziyuan.work\/?p=367","title":{"rendered":"BLE\u5e94\u7528\u5c42"},"content":{"rendered":"\n<p>\u4f4e\u529f\u8017\u84dd\u7259\uff08Bluetooth Low Energy\uff0cBLE\uff09\u5206\u4e3a\u4e09\u4e2a\u90e8\u5206\u7ec4\u6210\u3002\u5e94\u7528\uff08Application\uff09+\u4e3b\u673a\uff08Host\uff09+\u63a7\u5236\u5668\uff08Controller\uff09\u3002\u5355\u6a21BLE\u8bbe\u5907\u7684\u5e94\u7528\u5c42\u5305\u542b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u901a\u7528\u8bbf\u95ee\u914d\u7f6e\u6587\u4ef6 Generic Access Profile\uff08GAP\uff09<\/li>\n\n\n\n<li>\u901a\u7528\u5c5e\u6027\u914d\u7f6e\u6587\u4ef6 Generic Attribute Profile\uff08GATT\uff09<\/li>\n\n\n\n<li>\u903b\u8f91\u94fe\u8def\u63a7\u5236\u548c\u9002\u914d\u534f\u8bae Logical Link Control and Adaption Protocol \uff08L2CAP\uff09<\/li>\n\n\n\n<li>\u5c5e\u6027\u534f\u8bae Attribute Protocol\uff08ATT\uff09<\/li>\n\n\n\n<li>\u5b89\u5168\u7ba1\u7406 Security Manager\uff08SM\uff09<\/li>\n\n\n\n<li>\u4e3b\u673a\u63a7\u5236\u5668\u63a5\u53e3 Host Controller Interface\uff08HCI\uff09<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"is-style-default\">\u901a\u7528\u5c5e\u6027\u914d\u7f6e\u6587\u4ef6\uff08Generic Attribute Profile\uff0cGATT\uff09\u5efa\u7acb\u5728\u5c5e\u6027\u534f\u8bae\uff08Attribute Protocol\uff0cATT\uff09\u4e4b\u4e0a\uff0c\u901a\u8fc7\u5728\u5176\u4e0a\u5c42\u5f15\u5165\u5c42\u7ea7\u5316\u7684\u6570\u636e\u7ec4\u7ec7\u7ed3\u6784\u548c\u62bd\u8c61\u6a21\u578b\uff0c\u5b9e\u73b0\u4e86\u5bf9BLE\u6570\u636e\u7684\u7edf\u4e00\u5efa\u6a21\u4e0e\u8bbf\u95ee\u63a7\u5236\u3002\u5728BLE\u534f\u8bae\u4f53\u7cfb\u4e2d\uff0cGATT\u53ef\u89c6\u4e3a\u5e94\u7528\u5c42\u6570\u636e\u4ea4\u4e92\u7684\u6838\u5fc3\u6846\u67b6\uff0c\u5176\u5b9a\u4e49\u4e86\u6570\u636e\u5728\u4e0d\u540c\u8bbe\u5907\u5e94\u7528\u4e4b\u95f4\u7684\u7ec4\u7ec7\u65b9\u5f0f\u53ca\u4ea4\u6362\u673a\u5236\u3002GATT\u5b9a\u4e49\u4e86\u4e00\u7ec4\u901a\u7528\u7684\u6570\u636e\u5bf9\u8c61\uff0c\u53ef\u88ab\u5404\u7c7b\u57fa\u4e8eGATT\u7684\u5e94\u7528\u914d\u7f6e\u6587\u4ef6\u590d\u7528\u3002\u5176\u7ee7\u627f\u4e86ATT\u6240\u91c7\u7528\u7684\u5ba2\u6237\u7aef\u2013\u670d\u52a1\u5668\uff08Client\u2013Server\uff09\u67b6\u6784\uff0c\u4f46\u901a\u8fc7\u5f15\u5165\u201c\u670d\u52a1\uff08Service\uff09\u201d\u8fd9\u4e00\u903b\u8f91\u5bb9\u5668\uff0c\u5bf9\u6570\u636e\u8fdb\u884c\u4e86\u66f4\u9ad8\u5c42\u6b21\u7684\u5c01\u88c5\u3002\u6bcf\u4e2a\u670d\u52a1\u7531\u4e00\u4e2a\u6216\u591a\u4e2a\u7279\u5f81\uff08Characteristic\uff09\u7ec4\u6210\u3002\u7279\u5f81\u7528\u4e8e\u63cf\u8ff0\u5177\u4f53\u7684\u7528\u6237\u6570\u636e\u5355\u5143\uff0c\u5176\u4e0d\u4ec5\u5305\u542b\u5b9e\u9645\u6570\u636e\u503c\uff08Value\uff09\uff0c\u8fd8\u53ef\u5173\u8054\u591a\u79cd\u5143\u6570\u636e\uff08Metadata\uff09\uff0c\u4f8b\u5982\u8bbf\u95ee\u6743\u9650\u3001\u7528\u6237\u53ef\u8bfb\u540d\u79f0\u3001\u5355\u4f4d\u3001\u63cf\u8ff0\u7b26\u7b49\uff0c\u4ece\u800c\u4e3a\u6570\u636e\u7684\u53d1\u73b0\u3001\u8bbf\u95ee\u548c\u89e3\u91ca\u63d0\u4f9b\u652f\u6301\u3002<\/p>\n\n\n\n<p>\u901a\u7528\u8bbf\u95ee\u914d\u7f6e\u6587\u4ef6\uff08Generic Access Profile\uff0cGAP\uff09\u5b9a\u4e49\u4e86\u8bbe\u5907\u5728BLE\u534f\u8bae\u6808\u4e2d\u8fdb\u884c\u8fde\u63a5\u548c\u63a7\u5236\u4ea4\u4e92\u7684\u884c\u4e3a\u89c4\u8303\u3002GAP\u88ab\u89c6\u4e3aBLE\u7684\u9876\u5c42\u63a7\u5236\u6a21\u578b\uff0c\u63cf\u8ff0\u4e86\u8bbe\u5907\u5728\u4e0d\u76f4\u63a5\u6d89\u53ca\u5177\u4f53\u6570\u636e\u5185\u5bb9\u7684\u60c5\u51b5\u4e0b\uff0c\u5982\u4f55\u5b8c\u6210\u8bbe\u5907\u53d1\u73b0\u3001\u8fde\u63a5\u5efa\u7acb\u3001\u5b89\u5168\u673a\u5236\u534f\u5546\u4ee5\u53ca\u89d2\u8272\u7ba1\u7406\u7b49\u6d41\u7a0b\uff0c\u4ee5\u786e\u4fdd\u4e0d\u540c\u5382\u5546\u8bbe\u5907\u4e4b\u95f4\u7684\u4e92\u64cd\u4f5c\u6027\u3002\u4e3a\u5b9e\u73b0\u8bbe\u5907\u95f4\u4e00\u81f4\u4e14\u53ef\u4e92\u64cd\u4f5c\u7684\u901a\u4fe1\u884c\u4e3a\uff0cGAP\u8fdb\u4e00\u6b65\u89c4\u8303\u4e86\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8bbe\u5907\u89d2\u8272\u53ca\u5176\u4ea4\u4e92\u5173\u7cfb<\/li>\n\n\n\n<li>\u8bbe\u5907\u53ef\u53d1\u73b0\u6027\u4e0e\u53ef\u8fde\u63a5\u6027\u6a21\u578b\u53ca\u5176\u72b6\u6001\u8f6c\u6362<\/li>\n\n\n\n<li>\u5efa\u7acb\u53ef\u9760\u901a\u4fe1\u6240\u9700\u7684\u63a7\u5236\u6d41\u7a0b<\/li>\n\n\n\n<li>\u5b89\u5168\u6a21\u5f0f\u3001\u5b89\u5168\u7ea7\u522b\u53ca\u76f8\u5173\u6d41\u7a0b<\/li>\n\n\n\n<li>\u7528\u4e8e\u5e7f\u64ad\u548c\u626b\u63cf\u7684\u975e\u534f\u8bae\u6570\u636e\uff08\u5982Advertising Data\uff09\u7684\u683c\u5f0f\u5b9a\u4e49<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"has-text-align-center is-style-text-subtitle is-style-text-subtitle--1\">\u201c\u84dd\u7259\u8fde\u63a5\u201d\u5206\u4e3a\u5e7f\u64ad(broadcasting)\u6216\u8005\u8fde\u63a5(connections)<\/p>\n\n\n\n<p class=\"is-style-text-annotation has-medium-font-size is-style-text-annotation--2\">\u5e7f\u64ad(broadcasting)<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full has-custom-border is-style-default\"><img loading=\"lazy\" decoding=\"async\" width=\"405\" height=\"191\" src=\"https:\/\/ziyuan.work\/wp-content\/uploads\/2025\/07\/\u5e7f\u64adbroadcasting.drawio.png\" alt=\"\" class=\"wp-image-381\" style=\"border-style:none;border-width:0px;border-radius:0px;box-shadow:var(--wp--preset--shadow--natural)\" srcset=\"https:\/\/ziyuan.work\/wp-content\/uploads\/2025\/07\/\u5e7f\u64adbroadcasting.drawio.png 405w, https:\/\/ziyuan.work\/wp-content\/uploads\/2025\/07\/\u5e7f\u64adbroadcasting.drawio-300x141.png 300w\" sizes=\"auto, (max-width: 405px) 100vw, 405px\" \/><\/figure>\n\n\n\n<p>\u5728BLE\u4e2d\uff0c\u5e7f\u64ad\u673a\u5236\u5b9a\u4e49\u4e86\u4e24\u79cd\u76f8\u4e92\u72ec\u7acb\u7684\u89d2\u8272\uff1a\u5e7f\u64ad\u8005\uff08Broadcaster\uff09\u548c\u89c2\u5bdf\u8005\uff08Observer\uff09\u3002\u5e7f\u64ad\u8005\u8d1f\u8d23\u5728\u9884\u5b9a\u4e49\u7684\u5e7f\u64ad\u4fe1\u9053\u4e0a\u5468\u671f\u6027\u5730\u53d1\u9001\u4e0d\u53ef\u8fde\u63a5\u7684\u5e7f\u64ad\u6570\u636e\uff08Advertising Data\uff09\uff0c\u8fd9\u4e9b\u6570\u636e\u53ef\u88ab\u4efb\u610f\u5904\u4e8e\u76d1\u542c\u72b6\u6001\u7684\u8bbe\u5907\u63a5\u6536\u3002\u5e7f\u64ad\u8fc7\u7a0b\u4e2d\uff0c\u5e7f\u64ad\u8005\u4e0d\u4e0e\u63a5\u6536\u8bbe\u5907\u5efa\u7acb\u8fde\u63a5\u5173\u7cfb\u3002\u89c2\u5bdf\u8005\u5219\u6301\u7eed\u626b\u63cf\u6307\u5b9a\u7684\u5e7f\u64ad\u4fe1\u9053\uff0c\u4ee5\u63a5\u6536\u5f53\u524d\u6b63\u5728\u5e7f\u64ad\u7684\u3001\u4e0d\u53ef\u8fde\u63a5\u7684\u5e7f\u64ad\u6570\u636e\u5305\u3002\u89c2\u5bdf\u8005\u4ec5\u88ab\u52a8\u63a5\u6536\u4fe1\u606f\uff0c\u4e0d\u53c2\u4e0e\u4efb\u4f55\u8fde\u63a5\u6216\u6570\u636e\u786e\u8ba4\u8fc7\u7a0b\u3002<\/p>\n\n\n\n<p>\u5e7f\u64ad\u673a\u5236\u5728BLE\u4f53\u7cfb\u4e2d\u5177\u6709\u91cd\u8981\u610f\u4e49\uff0c\u56e0\u4e3a\u5b83\u662fBLE\u4e2d\u552f\u4e00\u4e00\u79cd\u652f\u6301\u5355\u4e2a\u8bbe\u5907\u5728\u540c\u4e00\u65f6\u95f4\u5411\u591a\u4e2a\u8bbe\u5907\u5206\u53d1\u6570\u636e\u7684\u901a\u4fe1\u65b9\u5f0f\u3002\u8be5\u673a\u5236\u5145\u5206\u5229\u7528\u4e86BLE\u7684\u4f4e\u529f\u8017\u548c\u65e0\u8fde\u63a5\u7279\u6027\uff0c\u9002\u7528\u4e8e\u5411\u5468\u56f4\u8bbe\u5907\u5468\u671f\u6027\u53d1\u5e03\u72b6\u6001\u4fe1\u606f\u6216\u5c11\u91cf\u6570\u636e\u7684\u573a\u666f\u3002<\/p>\n\n\n\n<p>\u6807\u51c6BLE\u5e7f\u64ad\u6570\u636e\u5305\u5305\u542b\u6700\u591a31\u5b57\u8282\u7684\u6709\u6548\u8d1f\u8f7d\uff08Payload\uff09\uff0c\u7528\u4e8e\u627f\u8f7d\u63cf\u8ff0\u5e7f\u64ad\u53d1\u9001\u8005\u8eab\u4efd\u3001\u80fd\u529b\u4ee5\u53ca\u670d\u52a1\u4fe1\u606f\u7684\u6570\u636e\uff0c\u540c\u65f6\u4e5f\u53ef\u5305\u542b\u7528\u6237\u81ea\u5b9a\u4e49\u7684\u5e7f\u64ad\u5185\u5bb9\u3002\u5f53\u8be5\u8d1f\u8f7d\u7a7a\u95f4\u4e0d\u8db3\u4ee5\u5bb9\u7eb3\u6240\u9700\u4fe1\u606f\u65f6\uff0cBLE\u5141\u8bb8\u4f7f\u7528\u53ef\u9009\u7684\u626b\u63cf\u54cd\u5e94\u6570\u636e\uff08Scan Response\uff09\u3002\u5728\u6b64\u673a\u5236\u4e0b\uff0c\u89c2\u5bdf\u8bbe\u5907\u5728\u63a5\u6536\u5230\u5e7f\u64ad\u6570\u636e\u540e\uff0c\u53ef\u5411\u5e7f\u64ad\u8005\u53d1\u9001\u626b\u63cf\u8bf7\u6c42\uff0c\u4ece\u800c\u83b7\u53d6\u989d\u5916\u768431\u5b57\u8282\u626b\u63cf\u54cd\u5e94\u8d1f\u8f7d\uff0c\u4f7f\u5355\u6b21\u5e7f\u64ad\u76f8\u5173\u7684\u6570\u636e\u603b\u91cf\u8fbe\u523062\u5b57\u8282\u3002<\/p>\n\n\n\n<p>\u7531\u4e8e\u5e7f\u64ad\u65b9\u5f0f\u5177\u6709\u5b9e\u73b0\u7b80\u5355\u3001\u5ef6\u8fdf\u4f4e\u4e14\u652f\u6301\u591a\u8bbe\u5907\u540c\u65f6\u63a5\u6536\u7684\u7279\u70b9\uff0c\u5f53\u9700\u8981\u6309\u7167\u56fa\u5b9a\u5468\u671f\u63a8\u9001\u5c11\u91cf\u6570\u636e\uff0c\u6216\u5411\u591a\u4e2a\u8bbe\u5907\u53d1\u5e03\u516c\u5171\u4fe1\u606f\u65f6\uff0c\u5e7f\u64ad\u662f\u4e00\u79cd\u9ad8\u6548\u4e14\u5b9e\u7528\u7684\u9009\u62e9\u3002\u7136\u800c\uff0c\u4e0e\u57fa\u4e8e\u8fde\u63a5\u7684\u901a\u4fe1\u65b9\u5f0f\u76f8\u6bd4\uff0c\u5e7f\u64ad\u673a\u5236\u5b58\u5728\u663e\u8457\u7684\u5b89\u5168\u4e0e\u9690\u79c1\u5c40\u9650\u6027\u3002\u5e7f\u64ad\u6570\u636e\u5728\u672a\u52a0\u5bc6\u7684\u60c5\u51b5\u4e0b\u53d1\u9001\uff0c\u4efb\u4f55\u5904\u4e8e\u76d1\u542c\u72b6\u6001\u7684\u89c2\u5bdf\u8bbe\u5907\u5747\u53ef\u63a5\u6536\u5e76\u89e3\u6790\u5e7f\u64ad\u5185\u5bb9\u3002\u56e0\u6b64\uff0c\u8be5\u65b9\u5f0f\u901a\u5e38\u4e0d\u9002\u7528\u4e8e\u4f20\u8f93\u654f\u611f\u6216\u79c1\u5bc6\u6570\u636e\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p class=\"is-style-text-annotation has-medium-font-size is-style-text-annotation--3\">\u8fde\u63a5(connections)<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"406\" height=\"192\" src=\"https:\/\/ziyuan.work\/wp-content\/uploads\/2025\/07\/\u8fde\u63a5connections.drawio.png\" alt=\"\" class=\"wp-image-386\" style=\"box-shadow:var(--wp--preset--shadow--natural)\" srcset=\"https:\/\/ziyuan.work\/wp-content\/uploads\/2025\/07\/\u8fde\u63a5connections.drawio.png 406w, https:\/\/ziyuan.work\/wp-content\/uploads\/2025\/07\/\u8fde\u63a5connections.drawio-300x142.png 300w\" sizes=\"auto, (max-width: 406px) 100vw, 406px\" \/><\/figure>\n\n\n\n<p>\u5f53\u9700\u8981\u5728\u8bbe\u5907\u4e4b\u95f4\u8fdb\u884c\u53cc\u5411\u6570\u636e\u4f20\u8f93\uff0c\u6216\u6240\u9700\u4f20\u8f93\u7684\u6570\u636e\u91cf\u8d85\u8fc7\u5e7f\u64ad\u4e0e\u626b\u63cf\u54cd\u5e94\u6240\u80fd\u627f\u8f7d\u7684\u5bb9\u91cf\u65f6\uff0c\u5e94\u91c7\u7528\u57fa\u4e8e\u8fde\u63a5\uff08Connection\uff09\u7684\u901a\u4fe1\u65b9\u5f0f\u3002BLE\u8fde\u63a5\u662f\u4e00\u79cd\u5728\u4e24\u4e2a\u8bbe\u5907\u4e4b\u95f4\u5efa\u7acb\u7684\u6301\u7eed\u901a\u4fe1\u5173\u7cfb\uff0c\u8fde\u63a5\u5efa\u7acb\u540e\uff0c\u8bbe\u5907\u53cc\u65b9\u5728\u7ea6\u5b9a\u7684\u65f6\u95f4\u70b9\u5468\u671f\u6027\u5730\u4ea4\u6362\u6570\u636e\u3002\u4e0e\u5e7f\u64ad\u76f8\u6bd4\uff0c\u8fde\u63a5\u901a\u4fe1\u5177\u6709\u5929\u7136\u7684\u9690\u79c1\u6027\uff0c\u5176\u6570\u636e\u4ec5\u5728\u8fde\u63a5\u7684\u4e24\u7aef\u8bbe\u5907\u4e4b\u95f4\u4f20\u8f93\uff0c\u4e0d\u4f1a\u88ab\u5176\u4ed6\u8bbe\u5907\u63a5\u6536\uff0c\u9664\u975e\u7b2c\u4e09\u65b9\u8bbe\u5907\u901a\u8fc7\u975e\u6b63\u5e38\u624b\u6bb5\u5bf9\u65e0\u7ebf\u4fe1\u9053\u8fdb\u884c\u55c5\u63a2\u3002<\/p>\n\n\n\n<p>BLE\u8fde\u63a5\u6a21\u578b\u4e2d\u5b9a\u4e49\u4e86\u4e24\u79cd\u901a\u4fe1\u89d2\u8272\uff1a\u4e2d\u5fc3\u8bbe\u5907\uff08Central\uff09\u4e0e\u5916\u56f4\u8bbe\u5907\uff08Peripheral\uff09\u3002\u4e2d\u5fc3\u8bbe\u5907\u901a\u8fc7\u5468\u671f\u6027\u626b\u63cf\u5e7f\u64ad\u4fe1\u9053\uff0c\u4ee5\u53d1\u73b0\u53ef\u8fde\u63a5\u7684\u5e7f\u64ad\u6570\u636e\u5305\u3002\u5f53\u68c0\u6d4b\u5230\u7b26\u5408\u6761\u4ef6\u7684\u5e7f\u64ad\u540e\uff0c\u4e2d\u5fc3\u8bbe\u5907\u53d1\u8d77\u8fde\u63a5\u8bf7\u6c42\u5e76\u5efa\u7acb\u8fde\u63a5\u3002\u8fde\u63a5\u5efa\u7acb\u540e\uff0c\u4e2d\u5fc3\u8bbe\u5907\u8d1f\u8d23\u63a7\u5236\u8fde\u63a5\u65f6\u5e8f\uff08Timing\uff09\uff0c\u5e76\u8c03\u5ea6\u5468\u671f\u6027\u7684\u6570\u636e\u4ea4\u6362\u8fc7\u7a0b\u3002\u5916\u56f4\u8bbe\u5907\u5219\u4ee5\u5468\u671f\u6027\u53d1\u9001\u53ef\u8fde\u63a5\u7684\u5e7f\u64ad\u6570\u636e\u5305\u4e3a\u4e3b\u8981\u884c\u4e3a\uff0c\u5e76\u5728\u63a5\u6536\u5230\u8fde\u63a5\u8bf7\u6c42\u540e\u63a5\u53d7\u5e76\u8fdb\u5165\u8fde\u63a5\u72b6\u6001\u3002\u5728\u8fde\u63a5\u5efa\u7acb\u540e\uff0c\u5916\u56f4\u8bbe\u5907\u9700\u9075\u5faa\u4e2d\u5fc3\u8bbe\u5907\u6240\u63a7\u5236\u7684\u8fde\u63a5\u65f6\u5e8f\uff0c\u5728\u9884\u5b9a\u7684\u8fde\u63a5\u4e8b\u4ef6\uff08Connection Event\uff09\u4e2d\u4e0e\u4e2d\u5fc3\u8bbe\u5907\u8fdb\u884c\u6570\u636e\u4ea4\u6362\u3002<\/p>\n\n\n\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5c3d\u7ba1\u4e2d\u5fc3\u8bbe\u5907\u8d1f\u8d23\u8fde\u63a5\u7684\u5efa\u7acb\u4e0e\u65f6\u5e8f\u63a7\u5236\uff0c\u4f46\u5728\u6bcf\u4e00\u4e2a\u8fde\u63a5\u4e8b\u4ef6\u4e2d\uff0c\u6570\u636e\u7684\u53d1\u9001\u65b9\u5411\u662f\u53cc\u5411\u5bf9\u7b49\u7684\u3002\u4e2d\u5fc3\u8bbe\u5907\u4e0e\u5916\u56f4\u8bbe\u5907\u5728\u6570\u636e\u541e\u5410\u91cf\u548c\u8bbf\u95ee\u4f18\u5148\u7ea7\u65b9\u9762\u5e76\u4e0d\u5b58\u5728\u534f\u8bae\u5c42\u9762\u7684\u5f3a\u5236\u9650\u5236\u3002\u81ea\u84dd\u72594.1\u7248\u672c\u8d77\uff0cBLE\u89c4\u8303\u53d6\u6d88\u4e86\u5bf9\u89d2\u8272\u7ec4\u5408\u65b9\u5f0f\u7684\u9650\u5236\uff0c\u5141\u8bb8\u8bbe\u5907\u5728\u540c\u4e00\u65f6\u95f4\u627f\u62c5\u591a\u79cd\u89d2\u8272\u3002\u5177\u4f53\u800c\u8a00\uff1a<\/p>\n\n\n\n<ul 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Attribute 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is-style-text-annotation--4\">\u901a\u7528\u8bbf\u95ee\u914d\u7f6e\u6587\u4ef6\uff08GAP\uff09<\/p>\n\n\n\n<p>GAP\u662fBLE\u8bbe\u5907\u5b9e\u73b0\u4e92\u64cd\u4f5c\u6027\u7684\u57fa\u7840\u6846\u67b6\u3002GAP\u4e3a\u6240\u6709BLE\u5b9e\u73b0\u5b9a\u4e49\u4e86\u4e00\u5957\u7edf\u4e00\u7684\u884c\u4e3a\u89c4\u8303\uff0c\u8981\u6c42\u8bbe\u5907\u80fd\u591f\u4ee5\u6807\u51c6\u5316\u7684\u65b9\u5f0f\u5b8c\u6210\u8bbe\u5907\u53d1\u73b0\u3001\u5e7f\u64ad\u6570\u636e\u3001\u5efa\u7acb\u8fde\u63a5\u3001\u534f\u5546\u5b89\u5168\u673a\u5236\u4ee5\u53ca\u6267\u884c\u5176\u4ed6\u57fa\u7840\u63a7\u5236\u64cd\u4f5c\u3002\u5bf9GAP\u7684\u6df1\u5165\u7406\u89e3\u81f3\u5173\u91cd\u8981\uff0c\u56e0\u4e3a\u5728\u8bb8\u591aBLE\u534f\u8bae\u6808\u5b9e\u73b0\u4e2d\uff0cGAP\u901a\u5e38\u88ab\u4f5c\u4e3a\u5411\u4e0a\u5c42\u5e94\u7528\u66b4\u9732\u7684\u6700\u5e95\u5c42\u529f\u80fd\u63a5\u53e3\u4e4b\u4e00\uff0c\u4e3a\u5e94\u7528\u5f00\u53d1\u8005\u63d0\u4f9b\u8bbe\u5907\u63a7\u5236\u548c\u8fde\u63a5\u7ba1\u7406\u80fd\u529b\u3002<\/p>\n\n\n\n<p>BLE\u6838\u5fc3\u89c4\u8303\u4e2d\uff0cGAP\u4e3b\u8981\u4ece\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\u5b9a\u4e49\u4e86\u8bbe\u5907\u4e4b\u95f4\u7684\u4ea4\u4e92\u884c\u4e3a\uff1a<\/p>\n\n\n\n<ul 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class=\"wp-block-list\">\n<li><strong>\u6a21\u5f0f\uff08Modes\uff09<\/strong>\u6a21\u5f0f\u662f\u5728\u89d2\u8272\u4e4b\u4e0a\u7684\u8fdb\u4e00\u6b65\u62bd\u8c61\uff0c\u7528\u4e8e\u63cf\u8ff0\u8bbe\u5907\u5728\u7279\u5b9a\u65f6\u95f4\u6bb5\u5185\u4e3a\u5b9e\u73b0\u67d0\u4e00\u76ee\u6807\u800c\u8fdb\u5165\u7684\u8fd0\u884c\u72b6\u6001\u3002\u6a21\u5f0f\u901a\u5e38\u5bf9\u5e94\u67d0\u4e00\u5177\u4f53\u6d41\u7a0b\u7684\u6267\u884c\u6761\u4ef6\uff0c\u7528\u4ee5\u5141\u8bb8\u6216\u9650\u5236\u8bbe\u5907\u5728\u8be5\u9636\u6bb5\u7684\u884c\u4e3a\u3002\u6a21\u5f0f\u7684\u5207\u6362\u65e2\u53ef\u7531\u7528\u6237\u64cd\u4f5c\u89e6\u53d1\uff0c\u4e5f\u53ef\u7531\u534f\u8bae\u6808\u6839\u636e\u8fd0\u884c\u9700\u8981\u81ea\u52a8\u89e6\u53d1\uff0c\u5176\u53d1\u751f\u9891\u7387\u901a\u5e38\u9ad8\u4e8e\u89d2\u8272\u7684\u5207\u6362\u3002<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6d41\u7a0b\uff08Procedures\uff09<\/strong>\u6d41\u7a0b\u662f\u6307\u8bbe\u5907\u4e3a\u8fbe\u6210\u7279\u5b9a\u76ee\u6807\u800c\u6267\u884c\u7684\u4e00\u7cfb\u5217\u64cd\u4f5c\u6b65\u9aa4\uff0c\u901a\u5e38\u6d89\u53ca\u94fe\u8def\u5c42\u63a7\u5236\u6216\u5fc5\u8981\u7684\u6570\u636e\u4ea4\u6362\u3002\u4e00\u4e2a\u6d41\u7a0b\u5f80\u5f80\u4f9d\u8d56\u4e8e\u5bf9\u7aef\u8bbe\u5907\u5904\u4e8e\u7279\u5b9a\u6a21\u5f0f\u4e4b\u4e2d\uff0c\u56e0\u6b64\u6d41\u7a0b\u4e0e\u6a21\u5f0f\u5728\u5b9e\u9645\u4ea4\u4e92\u4e2d\u901a\u5e38\u7d27\u5bc6\u5173\u8054\u3001\u534f\u540c\u6267\u884c\u3002<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5b89\u5168\u6027\uff08Security\uff09<\/strong>GAP\u5728\u5e95\u5c42\u5b89\u5168\u7ba1\u7406\u534f\u8bae\u4e4b\u4e0a\uff0c\u901a\u8fc7\u5b9a\u4e49\u5b89\u5168\u6a21\u5f0f\u548c\u5b89\u5168\u7b49\u7ea7\uff0c\u89c4\u5b9a\u4e86\u8bbe\u5907\u5728\u4e0d\u540c\u6570\u636e\u4ea4\u6362\u9700\u6c42\u4e0b\u5e94\u91c7\u7528\u7684\u5b89\u5168\u7b56\u7565\uff0c\u5e76\u63cf\u8ff0\u4e86\u8fd9\u4e9b\u5b89\u5168\u7b49\u7ea7\u7684\u5efa\u7acb\u4e0e\u5f3a\u5236\u6267\u884c\u6d41\u7a0b\u3002\u6b64\u5916\uff0cGAP\u8fd8\u5b9a\u4e49\u4e86\u4e00\u4e9b\u4e0d\u4f9d\u8d56\u4e8e\u7279\u5b9a\u6a21\u5f0f\u6216\u6d41\u7a0b\u7684\u901a\u7528\u5b89\u5168\u7279\u6027\uff0c\u4f7f\u8bbe\u5907\u80fd\u591f\u6839\u636e\u5177\u4f53\u5e94\u7528\u9700\u6c42\u7075\u6d3b\u63d0\u5347\u6570\u636e\u4fdd\u62a4\u7ea7\u522b\u3002<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>GAP\u76f8\u5173\u6570\u636e\u683c\u5f0f<\/strong>\u3002\u4e3a\u652f\u6301\u8bbe\u5907\u53d1\u73b0\u548c\u63a7\u5236\u6d41\u7a0b\uff0cGAP\u5b9a\u4e49\u4e86\u7528\u4e8e\u5e7f\u64ad\u548c\u626b\u63cf\u7684\u9644\u52a0\u6570\u636e\u683c\u5f0f\uff0c\u7528\u4ee5\u63cf\u8ff0\u8bbe\u5907\u7684\u57fa\u672c\u5c5e\u6027\u3001\u80fd\u529b\u4ee5\u53ca\u670d\u52a1\u4fe1\u606f\uff0c\u4ece\u800c\u786e\u4fdd\u8bbe\u5907\u4e4b\u95f4\u80fd\u591f\u4ee5\u7edf\u4e00\u4e14\u53ef\u4e92\u64cd\u4f5c\u7684\u65b9\u5f0f\u5b8c\u6210\u521d\u59cb\u4ea4\u4e92\u3002<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"is-style-text-annotation has-medium-font-size is-style-text-annotation--5\">\u5c5e\u6027\u914d\u7f6e\u6587\u4ef6\uff08GATT\uff09<\/p>\n\n\n\n<p>\u901a\u7528\u5c5e\u6027\u914d\u7f6e\u6587\u4ef6\uff08Generic Attribute 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Discovery\uff09\u6d41\u7a0b\uff0c\u4ee5\u83b7\u53d6\u670d\u52a1\u5668\u4e0a\u53ef\u7528\u670d\u52a1\u53ca\u5176\u7279\u5f81\u7684\u76f8\u5173\u4fe1\u606f\u3002\u5b8c\u6210\u670d\u52a1\u53d1\u73b0\u540e\uff0c\u5ba2\u6237\u7aef\u5373\u53ef\u5bf9\u5df2\u53d1\u73b0\u670d\u52a1\u4e2d\u7684\u5c5e\u6027\u8fdb\u884c\u8bbf\u95ee\uff0c\u5e76\u63a5\u6536\u6765\u81ea\u670d\u52a1\u5668\u7684\u901a\u77e5\u6216\u6307\u793a\u3002<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u670d\u52a1\u5668\uff08Server\uff09GATT\u670d\u52a1\u5668\u5bf9\u5e94\u4e8eATT\u4e2d\u7684\u670d\u52a1\u5668\u89d2\u8272\uff0c\u8d1f\u8d23\u63a5\u6536\u6765\u81ea\u5ba2\u6237\u7aef\u7684\u8bf7\u6c42\u5e76\u8fd4\u56de\u76f8\u5e94\u7684\u54cd\u5e94\u3002\u5728\u7279\u5b9a\u914d\u7f6e\u4e0b\uff0c\u670d\u52a1\u5668\u8fd8\u53ef\u4ee5\u4e3b\u52a8\u5411\u5ba2\u6237\u7aef\u53d1\u9001\u5c5e\u6027\u66f4\u65b0\u3002\u4f5c\u4e3a\u670d\u52a1\u5668\u89d2\u8272\uff0c\u8bbe\u5907\u9700\u8981\u8d1f\u8d23\u5b58\u50a8\u548c\u7ec4\u7ec7\u7528\u6237\u6570\u636e\uff0c\u5e76\u4ee5\u5c5e\u6027\u7684\u5f62\u5f0f\u5411\u5ba2\u6237\u7aef\u63d0\u4f9b\u8bbf\u95ee\u63a5\u53e3\u3002\u6240\u6709\u5df2\u6295\u5165\u4f7f\u7528\u7684BLE\u8bbe\u5907\u81f3\u5c11\u5fc5\u987b\u5305\u542b\u4e00\u4e2a\u57fa\u672c\u7684GATT\u670d\u52a1\u5668\uff0c\u4ee5\u4fbf\u80fd\u591f\u54cd\u5e94\u5ba2\u6237\u7aef\u8bf7\u6c42\uff0c\u5373\u4fbf\u8be5\u54cd\u5e94\u4ec5\u4e3a\u9519\u8bef\u8fd4\u56de\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u9700\u8981\u5f3a\u8c03\u7684\u662f\uff0cGATT\u89d2\u8272\u4e0eGAP\u89d2\u8272\u4e4b\u95f4\u4e0d\u5b58\u5728\u4f9d\u8d56\u5173\u7cfb\u3002GATT\u5ba2\u6237\u7aef\u6216\u670d\u52a1\u5668\u89d2\u8272\u53ef\u4ee5\u4e0e\u4efb\u610fGAP\u89d2\u8272\u7ec4\u5408\u4f7f\u7528\u3002\u56e0\u6b64\uff0cGAP\u4e2d\u7684\u4e2d\u5fc3\u8bbe\u5907\u6216\u5916\u56f4\u8bbe\u5907\u65e2\u53ef\u4ee5\u4f5c\u4e3aGATT\u5ba2\u6237\u7aef\uff0c\u4e5f\u53ef\u4ee5\u4f5c\u4e3aGATT\u670d\u52a1\u5668\uff0c\u751a\u81f3\u5728\u540c\u4e00\u8bbe\u5907\u4e2d\u540c\u65f6\u627f\u62c5\u4e24\u79cdGATT\u89d2\u8272\u3002<\/p>\n\n\n\n<p class=\"has-medium-font-size\"><strong>UUID\uff08Universally Unique Identifier\uff09<\/strong><\/p>\n\n\n\n<p>\u901a\u7528\u552f\u4e00\u6807\u8bc6\u7b26\uff08Universally Unique Identifier\uff0cUUID\uff09\u662f\u4e00\u79cd128\u4f4d\uff0816\u5b57\u8282\uff09\u7684\u6807\u8bc6\u7b26\uff0c\u7528\u4e8e\u5728\u5168\u7403\u8303\u56f4\u5185\u552f\u4e00\u6807\u8bc6\u5bf9\u8c61\u3002UUID\u5e76\u975e\u84dd\u7259\u4e13\u6709\uff0c\u5176\u683c\u5f0f\u3001\u751f\u6210\u65b9\u5f0f\u548c\u4f7f\u7528\u89c4\u5219\u7531ITU-T Rec. X.667\uff08\u4ea6\u5373 ISO\/IEC 9834-8:2005\uff09\u8fdb\u884c\u89c4\u8303\u3002<\/p>\n\n\n\n<p style=\"border-style:none;border-width:0px\">\u7531\u4e8e\u5b8c\u6574\u7684128\u4f4dUUID\u5728BLE\u94fe\u8def\u5c42\u4e2d\u4f1a\u5360\u7528\u8f83\u5927\u7684\u6570\u636e\u8d1f\u8f7d\u7a7a\u95f4\uff0cBLE\u89c4\u8303\u5f15\u5165\u4e86\u4e24\u79cd\u538b\u7f29\u5f62\u5f0f\u7684UUID\uff1a16\u4f4dUUID\u548c32\u4f4dUUID\u3002\u8fd9\u4e9b\u7f29\u77ed\u5f62\u5f0f\u4ec5\u9002\u7528\u4e8e\u7531\u84dd\u7259SIG\u5b9a\u4e49\u548c\u5206\u914d\u7684\u6807\u51c6UUID\uff0c\u7528\u4e8e\u6807\u8bc6\u6807\u51c6\u670d\u52a1\u3001\u7279\u5f81\u53ca\u76f8\u5173\u7c7b\u578b\u3002\u7f29\u77ed\u5f62\u5f0f\u7684UUID\u53ef\u901a\u8fc7\u5d4c\u5165\u81f3\u84dd\u7259\u57fa\u7840UUID\uff08Bluetooth Base UUID\uff09\u4e2d\u6062\u590d\u4e3a\u5b8c\u6574\u7684128\u4f4dUUID\uff0c\u5176\u683c\u5f0f\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>xxxxxxxx-0000-1000-8000-00805F9B34FB<\/code><\/pre>\n\n\n\n<p>\u5176\u4e2d\uff0c<code>xxxxxxxx<\/code>\u8868\u793a16\u4f4d\u621632\u4f4d\u7684SIG\u5206\u914d\u503c\uff08\u9ad8\u4f4d\u8865\u96f6\uff09\u3002<\/p>\n\n\n\n<p>\u84dd\u7259SIG\u4e3a\u6240\u6709\u6807\u51c6\u670d\u52a1\u3001\u7279\u5f81\u53ca\u5176\u5b9a\u4e49\u7684\u914d\u7f6e\u6587\u4ef6\u5206\u914d\u4e86\u5bf9\u5e94\u7684UUID\u3002\u5f53\u5e94\u7528\u9700\u6c42\u65e0\u6cd5\u7531\u73b0\u6709\u6807\u51c6UUID\u6ee1\u8db3\uff0c\u6216\u9700\u8981\u5b9e\u73b0\u89c4\u8303\u4e4b\u5916\u7684\u81ea\u5b9a\u4e49\u529f\u80fd\u65f6\uff0c\u53ef\u751f\u6210\u5382\u5546\u81ea\u5b9a\u4e49\uff08Vendor-Specific\uff09\u7684UUID\u3002\u6b64\u7c7bUUID\u5fc5\u987b\u4f7f\u7528\u5b8c\u6574\u7684128\u4f4d\u5f62\u5f0f\uff0c\u5e76\u901a\u5e38\u901a\u8fc7ITU\u6240\u89c4\u5b9a\u7684UUID\u751f\u6210\u673a\u5236\u751f\u6210\u3002\u5bf9\u4e8e\u4e0d\u57fa\u4e8e\u84dd\u7259\u57fa\u7840UUID\u7684\u5382\u5546\u81ea\u5b9a\u4e49UUID\uff0c\u4e0d\u5141\u8bb8\u4f7f\u752816\u4f4d\u621632\u4f4d\u7684\u7f29\u77ed\u5f62\u5f0f\uff0c\u5fc5\u987b\u5728\u6574\u4e2a\u534f\u8bae\u4ea4\u4e92\u8fc7\u7a0b\u4e2d\u59cb\u7ec8\u4f7f\u7528\u5b8c\u6574\u7684128\u4f4dUUID\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>\u542f\u52a8\u4e00\u4e2a\u5e7f\u64ad\u670d\u52a1<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ golang\n\nimport (\n    \"github.com\/muka\/go-bluetooth\/api\"\n    \"github.com\/muka\/go-bluetooth\/bluez\/profile\/adapter\"\n)\n\nfunc main() {\n    a, err := adapter.GetDefaultAdapter()\n    if err != nil {\n        panic(err)\n    }\n\n    a.SetPowered(true)\n    a.SetDiscoverable(true)\n    a.SetAlias(\"My-BLE-Device\")\n\n    select {}\n}<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u4f4e\u529f\u8017\u84dd\u7259\uff08Bluetooth Low Energy\uff0cBLE\uff09\u5206\u4e3a\u4e09\u4e2a\u90e8\u5206\u7ec4\u6210\u3002\u5e94\u7528\uff08Application\uff09 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[5],"tags":[],"class_list":["post-367","post","type-post","status-publish","format-standard","hentry","category-knowledge"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/ziyuan.work\/index.php?rest_route=\/wp\/v2\/posts\/367","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ziyuan.work\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ziyuan.work\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ziyuan.work\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ziyuan.work\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=367"}],"version-history":[{"count":25,"href":"https:\/\/ziyuan.work\/index.php?rest_route=\/wp\/v2\/posts\/367\/revisions"}],"predecessor-version":[{"id":396,"href":"https:\/\/ziyuan.work\/index.php?rest_route=\/wp\/v2\/posts\/367\/revisions\/396"}],"wp:attachment":[{"href":"https:\/\/ziyuan.work\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=367"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ziyuan.work\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=367"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ziyuan.work\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=367"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}