{"id":7885,"date":"2021-12-09T10:28:43","date_gmt":"2021-12-09T02:28:43","guid":{"rendered":"http:\/\/www.szryc.com\/?p=7885"},"modified":"2021-12-09T10:44:43","modified_gmt":"2021-12-09T02:44:43","slug":"max86146-%e5%a6%82%e4%bd%95%e7%ae%80%e5%8c%96%e5%8f%af%e7%a9%bf%e6%88%b4%e8%ae%be%e5%a4%87%e7%9a%84%e7%a1%ac%e4%bb%b6%e8%ae%be%e8%ae%a1","status":"publish","type":"post","link":"http:\/\/www.szryc.com\/?p=7885","title":{"rendered":"MAX86146 \u5982\u4f55\u7b80\u5316\u53ef\u7a7f\u6234\u8bbe\u5907\u7684\u786c\u4ef6\u8bbe\u8ba1"},"content":{"rendered":"<p>Maxim Integrated \u7684 MAXM86146 \u751f\u7269\u4f20\u611f\u6a21\u5757\u91c7\u7528 4.5 x 4.1 x 0.88 \u6beb\u7c73 (mm) 38 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\u7684\u591a\u4e2a<u>\u53d1\u5149\u4e8c\u6781\u7ba1<\/u>\u3002\u5149\u5b66\u5fc3\u7387\u76d1\u6d4b\u5668\u901a\u5e38\u4f7f\u7528\u5149\u7535\u5bb9\u79ef\u63cf\u8bb0\u6cd5 (PPG)\uff0c\u53ef\u76d1\u6d4b\u4e0e\u6bcf\u6b21\u5fc3\u810f\u640f\u52a8\u76f8\u5173\u7684\u5916\u5468\u8840\u5bb9\u91cf\u53d8\u5316\u3002\u5bf9\u4e8e\u8fd9\u79cd\u6d4b\u91cf\uff0c\u8fd9\u4e9b\u8bbe\u5907\u901a\u5e38\u4f7f\u7528\u6ce2\u957f\u4e3a 540 \u7eb3\u7c73 (nm) \u7684\u7eff\u5149\uff0c\u8fd9\u79cd\u5149\u4f1a\u88ab\u8840\u6db2\u5438\u6536\uff0c\u5e76\u4e14\u7531\u4e8e\u7eff\u5149\u7a7f\u900f\u7ec4\u7ec7\u7684\u6df1\u5ea6\u6bd4\u8bb8\u591a\u5176\u4ed6\u6ce2\u957f\u8981\u6d45\uff0c\u6240\u4ee5\u4ea7\u751f\u7684\u4f2a\u5f71\u6bd4\u8f83\u5c11\u3002\u5149\u5b66\u8109\u640f\u8840\u6c27\u8ba1\u4f7f\u7528\u7ea2\u8272\u00a0<u>LED<\/u>\uff08\u901a\u5e38\u4e3a 660 nm\uff09\u548c<u>\u7ea2\u5916<\/u>\u00a0(IR) LED\uff08\u901a\u5e38\u4e3a 940 nm\uff09\u6765\u6d4b\u91cf\u8840\u7ea2\u86cb\u767d\u548c\u8131\u6c27\u8840\u7ea2\u86cb\u767d\u4e4b\u95f4\u7684\u5438\u6536\u5dee\u5f02\uff0c\u8fd9\u662f\u5149\u5b66 SpO2 \u6d4b\u91cf\u6cd5\u7684\u57fa\u7840\u6280\u672f\uff08\u8bf7\u53c2\u9605<i>\u5229\u7528\u73b0\u6210\u5143\u5668\u4ef6\u8bbe\u8ba1\u4f4e\u6210\u672c\u8109\u640f\u8840\u6c27\u4eea<\/i>\uff09\u3002<\/p>\n<p>\u4e3a\u4e86\u6267\u884c\u8fd9\u4e9b\u5149\u5b66\u6d4b\u91cf\uff0c\u5f00\u53d1\u4eba\u5458\u5fc5\u987b\u786e\u4fdd\u5149\u7535\u4e8c\u6781\u7ba1\u4fe1\u53f7\u91c7\u96c6\u4e0e\u6765\u81ea\u76f8\u5e94 LED \u7684\u5149\u8f93\u51fa\u8109\u51b2\u7cbe\u786e\u540c\u6b65\u3002MAXM86146 \u6a21\u5757\u96c6\u6210\u7684 MAX86141 AFE \u63d0\u4f9b\u4e86\u72ec\u7acb\u7684\u4fe1\u53f7\u94fe\uff0c\u5206\u522b\u7528\u4e8e LED \u63a7\u5236\u548c\u5149\u7535\u4e8c\u6781\u7ba1\u4fe1\u53f7\u91c7\u96c6\u3002\u5728\u8f93\u51fa\u7aef\uff0cAFE \u5305\u62ec\u4e09\u4e2a\u5927\u7535\u6d41\u3001\u4f4e\u566a\u58f0 LED \u9a71\u52a8\u5668\uff0c\u53ef\u5c06\u8109\u51b2\u4f20\u8f93\u5230\u7528\u4e8e\u5fc3\u7387\u6d4b\u91cf\u7684\u7eff\u8272 LED \u4ee5\u53ca\u7528\u4e8e SpO2 \u6d4b\u91cf\u7684\u7ea2\u8272\u548c\u7ea2\u5916 LED\u3002\u5728\u8f93\u5165\u7aef\uff0cAFE \u63d0\u4f9b\u4e24\u4e2a\u5149\u7535\u4e8c\u6781\u7ba1\u4fe1\u53f7\u91c7\u96c6\u901a\u9053\uff0c\u6bcf\u4e2a\u901a\u9053\u90fd\u6709\u4e00\u4e2a\u4e13\u7528\u7684 19 \u4f4d<u>\u6a21\u6570\u8f6c\u6362\u5668<\/u>\u00a0(<u>ADC<\/u>)\u3002\u8fd9\u4e24\u4e2a\u8bfb\u51fa\u901a\u9053\u53ef\u4ee5\u5355\u72ec\u64cd\u4f5c\uff0c\u4e5f\u53ef\u4ee5\u7ec4\u5408\u4f7f\u7528\uff0c\u4ee5\u63d0\u4f9b\u66f4\u5927\u7684\u8f90\u5c04\u9762\u79ef\u3002<\/p>\n<p>\u4e3a\u63a7\u5236 AFE LED \u548c\u5149\u7535\u4e8c\u6781\u7ba1\u4fe1\u53f7\u94fe\uff0c\u677f\u8f7d\u5fae\u63a7\u5236\u5668\u4e0a\u8fd0\u884c\u7684\u56fa\u4ef6\u53ef\u8c03\u6574 AFE \u8bbe\u7f6e\uff0c\u4ee5\u6700\u5927\u7a0b\u5ea6\u63d0\u9ad8\u4fe1\u566a\u6bd4 (SNR) \u5e76\u964d\u4f4e\u529f\u8017\u3002\u968f\u7740\u73af\u5883\u5149\u7684\u53d8\u5316\uff0c\u96c6\u6210\u5f0f MAX86141 \u4e2d\u5185\u7f6e\u7684\u73af\u5883\u5149\u6821\u6b63 (ALC)\u00a0<u>\u7535\u8def<\/u>\u4f1a\u5bf9\u5149\u7167\u6761\u4ef6\u7684\u9010\u6e10\u53d8\u5316\u4f5c\u51fa\u54cd\u5e94\u3002\u4f46\u662f\uff0c\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4f8b\u5982\u5f53\u7528\u6237\u5728\u9634\u5f71\u533a\u57df\u548c\u660e\u4eae\u7684\u9633\u5149\u95f4\u5feb\u901f\u7a7f\u8fc7\u65f6\uff0c\u73af\u5883\u5149\u53ef\u80fd\u4f1a\u5feb\u901f\u53d8\u5316\uff0c\u4ece\u800c\u5bfc\u81f4 ALC \u6545\u969c\u3002\u8003\u8651\u5230\u8fd9\u79cd\u5e38\u89c1\u7684\u60c5\u51b5\uff0cMAX86141 \u52a0\u5165\u4e86\u6805\u680f\u68c0\u6d4b\u548c\u66ff\u6362\u529f\u80fd\u3002\u5728\u8fd9\u91cc\uff0c\u8be5\u5668\u4ef6\u4f1a\u8bc6\u522b\u73af\u5883\u6d4b\u91cf\u503c\u4e0e\u5148\u524d\u6837\u672c\u7684\u8f83\u5927\u504f\u5dee\uff0c\u5e76\u5c06\u4e2a\u522b\u5916\u56f4\u73af\u5883\u5149\u6570\u636e\u6837\u672c\u66ff\u6362\u4e3a\u4e0e\u73af\u5883\u6c34\u5e73\u76f8\u5bf9\u7f13\u6162\u53d8\u5316\u76f8\u4e00\u81f4\u7684\u5916\u63a8\u503c\u3002<\/p>\n<p>\u7531\u4e8e\u8be5\u6a21\u5757\u7684\u5fae\u63a7\u5236\u5668\u4f7f\u7528\u5176\u56fa\u4ef6\u6765\u7ba1\u7406 AFE \u64cd\u4f5c\uff0c\u56e0\u6b64\u6267\u884c\u7cbe\u786e\u7684\u5fc3\u7387\u548c SpO2 \u6d4b\u91cf\u6240\u9700\u7684\u8be6\u7ec6\u64cd\u4f5c\u5bf9\u4e8e\u5f00\u53d1\u4eba\u5458\u6765\u8bf4\u662f\u900f\u660e\u7684\u3002\u8be5\u6a21\u5757\u4f7f\u7528\u56fa\u4ef6\u8bbe\u7f6e\u81ea\u52a8\u6267\u884c\u8fd9\u4e9b\u6d4b\u91cf\uff0c\u5c06\u539f\u59cb\u6570\u636e\u548c\u8ba1\u7b97\u7ed3\u679c\u5b58\u50a8\u5728\u5148\u8fdb\u5148\u51fa (F<u>IF<\/u>O) \u7f13\u51b2\u533a\u4e2d\uff0c\u4f9b\u7cfb\u7edf\u4e3b\u5904\u7406\u5668\u901a\u8fc7\u6a21\u5757\u7684\u00a0<u>I2C<\/u>\u00a0\u4e32\u884c<u>\u63a5\u53e3<\/u>\u8bbf\u95ee\u3002<\/p>\n<h2><strong>MAX86146 \u5982\u4f55\u7b80\u5316\u53ef\u7a7f\u6234\u8bbe\u5907\u7684\u786c\u4ef6\u8bbe\u8ba1<\/strong><\/h2>\n<p>\u51ed\u501f\u5e7f\u6cdb\u7684\u96c6\u6210\u529f\u80fd\uff0cMAX86146 \u751f\u7269\u4f20\u611f\u6a21\u5757\u53ea\u9700\u8981\u76f8\u5bf9\u8f83\u5c11\u7684\u989d\u5916\u5143\u5668\u4ef6\uff0c\u5c31\u53ef\u4ee5\u5b8c\u6210\u80fd\u591f\u63d0\u4f9b\u7cbe\u786e\u5fc3\u7387\u548c SpO2 \u6d4b\u91cf\u7684\u8bbe\u8ba1\u3002\u82e5\u8981\u540c\u6b65\u8fdb\u884c\u5fc3\u7387\u548c SpO2 \u6d4b\u91cf\uff0cMAX86146 \u53ef\u4ee5\u4e0e\u5916\u90e8\u4f4e\u566a\u58f0\u6a21\u62df<u>\u591a\u8def\u590d\u7528\u5668<\/u>\u96c6\u6210\uff0c\u4f8b\u5982\u8fde\u63a5\u5230\u5206\u7acb\u5f0f\u7eff\u8272\u3001\u7ea2\u8272\u548c\u7ea2\u5916 LED \u7684 Maxim Integrated MAX14689\u00a0<u>\u5f00\u5173<\/u>\uff08\u56fe 2\uff09\u3002<\/p>\n<div class=\"post-image\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-7889\" src=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/12\/2.webp\" alt=\"\" width=\"600\" height=\"391\" \/><\/div>\n<p><i>\u56fe 2\uff1a\u8981\u540c\u6b65\u6267\u884c\u5fc3\u7387\u548c SpO2 \u6d4b\u91cf\uff0c\u9664\u4e86\u5408\u9002\u7684 LED\u3001\u6a21\u62df\u591a\u8def\u590d\u7528\u5668\uff08MAX14689\uff0c\u5de6\u4fa7\uff09\u548c<u>\u52a0\u901f\u8ba1<\/u>\uff0cMaxim Integrated \u7684 MAX86146 \u751f\u7269\u4f20\u611f\u6a21\u5757\u51e0\u4e4e\u4e0d\u9700\u8981\u5176\u4ed6<u>\u5143\u5668\u4ef6<\/u>\uff0c\u5c31\u53ef\u4ee5\u5728\u6d4b\u91cf\u7684\u540c\u65f6\u68c0\u6d4b\u8fd0\u52a8\u3002\uff08\u56fe\u7247\u6765\u6e90\uff1aMaxim Integrated\uff09<\/i><\/p>\n<p>\u6b64\u5916\uff0cMAXM86146 \u8fd8\u8bbe\u8ba1\u6210\u4f7f\u7528\u6765\u81ea\u4e09\u8f74\u52a0\u901f\u8ba1\u7684\u8fd0\u52a8\u6570\u636e\uff0c\u4ee5\u5728\u5fc3\u7387\u6d4b\u91cf\u671f\u95f4\u6821\u6b63\u7528\u6237\u7684\u8fd0\u52a8\uff0c\u5e76\u5728 SpO2 \u6d4b\u91cf\u671f\u95f4\u68c0\u6d4b\u8fd0\u52a8\uff0c\u540e\u8005\u9700\u8981\u7528\u6237\u5728\u6d4b\u91cf\u7684\u77ed\u65f6\u95f4\u5185\u4fdd\u6301\u9759\u6b62\u72b6\u6001\u3002\u5728\u8fd9\u91cc\uff0c\u5f00\u53d1\u4eba\u5458\u53ef\u4ee5\u5c06\u56fa\u4ef6\u652f\u6301\u7684\u52a0\u901f\u8ba1\u76f4\u63a5\u8fde\u63a5\u5230 MAXM86146 \u7684 S<u>PI<\/u>\u00a0\u7aef\u53e3\uff0c\u6216\u8005\u5c06\u901a\u7528\u52a0\u901f\u8ba1\u8fde\u63a5\u5230\u4e3b\u673a\u5904\u7406\u5668\u3002<\/p>\n<p>\u4e3b\u673a\u8fde\u63a5\u9009\u9879\u4e3a\u5668\u4ef6\u9009\u62e9\u63d0\u4f9b\u4e86\u66f4\u5927\u7684\u7075\u6d3b\u6027\uff0c\u53ea\u9700\u8981\u4e00\u4e2a\u901a\u7528\u4e09\u8f74\u52a0\u901f\u8ba1\uff0c\u4f8b\u5982 Memsic \u7684 MC3630\uff0c\u91c7\u6837\u901f\u5ea6\u53ef\u8fbe 25 sps\u3002\u5c3d\u7ba1\u5982\u6b64\uff0c\u5f00\u53d1\u4eba\u5458\u4ecd\u9700\u8981\u786e\u4fdd\u52a0\u901f\u8ba1\u6570\u636e\u4e0e\u5fc3\u7387\u6570\u636e\u91c7\u6837\u540c\u6b65\u3002\u4e3a\u6b64\uff0c\u677f\u8f7d\u5fae\u63a7\u5236\u5668\u6839\u636e\u9700\u8981\u5bf9\u52a0\u901f\u8ba1\u6837\u672c\u8fdb\u884c\u5185\u90e8\u62bd\u53d6\u6216\u63d2\u8865\uff0c\u4ee5\u8865\u507f\u5fc3\u7387\u6570\u636e\u548c\u52a0\u901f\u8ba1\u6570\u636e\u4e4b\u95f4\u7684\u6f02\u79fb\u3002<\/p>\n<h2><strong>\u5feb\u901f\u542f\u52a8 MAXM86146 \u8bc4\u4f30\u548c\u5feb\u901f\u539f\u578b\u5f00\u53d1<\/strong><\/h2>\n<p>\u867d\u7136 MAXM86146 \u7b80\u5316\u4e86\u7cfb\u7edf\u786c\u4ef6\u8bbe\u8ba1\uff0c\u4f46\u5bf9\u4e8e\u5e0c\u671b\u8bc4\u4f30 MAXM86146 \u6216\u5feb\u901f\u5f00\u53d1\u5176\u5e94\u7528\u539f\u578b\u7684\u5f00\u53d1\u4eba\u5458\u6765\u8bf4\uff0c\u4ed6\u4eec\u53ef\u4ee5\u8df3\u8fc7\u786c\u4ef6\u8bbe\u8ba1\uff0c\u901a\u8fc7 MAXM86146EVSYS \u8bc4\u4f30\u7cfb\u7edf\u7acb\u5373\u5f00\u59cb\u4f7f\u7528\u8be5\u5668\u4ef6\u3002MAXM86146EVSYS \u901a\u8fc7\u00a0<u>USB<\/u>\u00a0\u6216 3.7 V \u9502\u805a\u5408\u7269 (LiPo) \u7535\u6c60\u4f9b\u7535\uff0c\u5305\u62ec\u4e00\u4e2a\u57fa\u4e8e MAXM86146 \u7684 MAXM86146_OSB\u00a0<u>\u5149\u5b66\u4f20\u611f\u5668<\/u>\u677f (OSB)\uff0c\u5e76\u901a\u8fc7\u8f6f\u7ebf\u8fde\u63a5\u5230\u652f\u6301\u4f4e\u529f\u8017<u>\u84dd\u7259<\/u>\u00a0(BLE) \u7684 MAXSensorBLE \u4e3b<u>\u6570\u636e\u91c7\u96c6<\/u>\u677f\uff08\u56fe 3\uff09\u3002<\/p>\n<div class=\"post-image\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-7890\" src=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/12\/3.webp\" alt=\"\" width=\"510\" height=\"292\" \/><\/div>\n<p><i>\u56fe 3\uff1aMaxim Integrated \u7684 MAXM86146EVSYS \u8bc4\u4f30\u7cfb\u7edf\u5305\u62ec\u652f\u6301 BLE \u7684\u4e3b\u5904\u7406\u5668\u677f\u548c\u57fa\u4e8e MAXM86146 \u7684\u4f20\u611f\u5668\u677f\uff08\u7528\u8f6f\u7ebf\u8fde\u63a5\uff09\u3002\uff08\u56fe\u7247\u6765\u6e90\uff1aMaxim Integrated\uff09<\/i><\/p>\n<p>MAXSensorBLE \u677f\u96c6\u6210\u4e86 Maxim Integrated \u7684 MAX32620 \u4e3b\u673a\u5fae\u63a7\u5236\u5668\uff0c\u4ee5\u53ca Nordic Semiconductor \u7684 N<u>RF<\/u>52832 \u84dd\u7259\u5fae\u63a7\u5236\u5668\u3002\u5b9e\u9645\u4e0a\uff0cMAXSensorBLE \u677f\u53ef\u4f5c\u4e3a\u652f\u6301 BLE \u7684\u53ef\u7a7f\u6234\u5f0f\u8bbe\u8ba1\u7684\u5b8c\u6574\u53c2\u8003\u8bbe\u8ba1\u3002\u9664\u4e86\u652f\u6301\u6709\u6e90\u548c\u65e0\u6e90\u5143\u5668\u4ef6\u5916\uff0cMAXSensorBLE \u677f\u8bbe\u8ba1\u8fd8\u914d\u5907 Maxim Integrated \u7684 MAX20303\u00a0<u>\u7535\u6e90\u7ba1\u7406<\/u><u>\u96c6\u6210\u7535\u8def<\/u>\u00a0(<u>PMIC<\/u>)\uff0c\u8be5\u7535\u8def\u4e13\u4e3a\u5ef6\u957f\u53ef\u7a7f\u6234\u8bbe\u5907\u7684\u7535\u6c60\u7eed\u822a\u65f6\u95f4\u800c\u8bbe\u8ba1\u3002<\/p>\n<p>MAXM86146_OSB \u5149\u5b66\u4f20\u611f\u5668\u677f\u5c06 MAXM86146 \u751f\u7269\u4f20\u611f\u6a21\u5757\u4e0e MAX14689 \u6a21\u62df\u5f00\u5173\u548c\u540c\u6b65\u6267\u884c\u5fc3\u7387\u548c SpO2 \u6d4b\u91cf\u6240\u9700\u7684\u6574\u5957 LED \u7ec4\u5408\u5728\u4e00\u8d77\u3002\u6b64\u5916\uff0c\u8be5\u677f\u96c6\u6210\u4e86\u4e00\u4e2a\u652f\u6301\u56fa\u4ef6\u7684\u4e09\u8f74\u52a0\u901f\u8ba1\uff0c\u76f4\u63a5\u8fde\u63a5\u5230 MAXM86146 \u6a21\u5757\u3002<\/p>\n<p>\u8981\u4f7f\u7528 MAXM86146EVSYS \u8bc4\u4f30\u7cfb\u7edf\u8bc4\u4f30 MAXM86146 \u6a21\u5757\uff0c\u5f00\u53d1\u4eba\u5458\u4f7f\u7528 USB-C \u6216 LiPo \u7535\u6c60\u4e3a\u7cfb\u7edf\u4f9b\u7535\uff0c\u5e76\u6839\u636e\u9700\u8981\u5c06 BLE USB \u52a0\u5bc6\u72d7\u63d2\u5165\u8fd0\u884c Maxim Integrated MAXM86146 EV \u7cfb\u7edf\u8f6f\u4ef6\u5e94\u7528\u7a0b\u5e8f\u7684\u4e2a\u4eba\u8ba1\u7b97\u673a\u3002\u8be5 Windows \u5e94\u7528\u7a0b\u5e8f\u63d0\u4f9b\u4e86\u4e00\u4e2a<u>\u56fe\u5f62<\/u>\u7528\u6237\u754c\u9762 (GUI)\uff0c\u8ba9\u5f00\u53d1\u4eba\u5458\u80fd\u591f\u8f7b\u677e\u4fee\u6539 MAXM86146 \u8bbe\u7f6e\uff0c\u5e76\u80fd\u7acb\u5373\u89c2\u5bdf\u4ee5\u6570\u636e\u66f2\u7ebf\u56fe\u5f62\u5f0f\u5448\u73b0\u7684\u7ed3\u679c\u3002\u9664\u4e86\u63d0\u4f9b\u5bf9 MAXM86146\u00a0<u>\u5bc4\u5b58\u5668<\/u>\u7684\u8bbf\u95ee\uff0c\u8be5 GUI \u8fd8\u63d0\u4f9b\u4e86\u76f4\u89c2\u83dc\u5355\uff0c\u4ee5\u4f9b\u8bbe\u7f6e\u4e0d\u540c\u7684\u64cd\u4f5c\u6a21\u5f0f\u548c\u914d\u7f6e\u3002\u4f8b\u5982\uff0c\u5f00\u53d1\u4eba\u5458\u53ef\u4ee5\u4f7f\u7528 GUI \u6a21\u5f0f\u9009\u9879\u5361\u8bbe\u7f6e\u4e0d\u540c\u7684 LED \u5e8f\u5217\uff08\u56fe 4\uff0c\u4e0a\u56fe\uff09\uff0c\u4f7f\u7528 GUI \u914d\u7f6e\u9009\u9879\u5361\u5c06\u8fd9\u4e9b LED \u5e8f\u5217\u5e94\u7528\u4e8e\u5fc3\u7387\u548c SpO2 \u6d4b\u91cf\uff08\u56fe 4\uff0c\u4e0b\u56fe\uff09\u3002<\/p>\n<div class=\"post-image\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-7891\" src=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/12\/4.webp\" alt=\"\" width=\"600\" height=\"612\" \/><\/div>\n<p><i>\u56fe 4\uff1aMaxim Integrated \u7684 MAXM86146 EV \u7cfb\u7edf\u8f6f\u4ef6 GUI \u5141\u8bb8\u5f00\u53d1\u4eba\u5458\u901a\u8fc7\u5b9a\u4e49\u4e0d\u540c\u7684\u64cd\u4f5c\u6a21\u5f0f\u6765\u8bc4\u4f30 MAXM86146 \u7684\u6027\u80fd\uff0c\u4f8b\u5982\u5b9a\u4e49 LED \u5e8f\u5217\uff08\u4e0a\u56fe\uff09\uff0c\u7136\u540e\u5c06\u8fd9\u4e9b\u5e8f\u5217\u5e94\u7528\u4e8e\u5fc3\u7387\u548c SpO2 \u6d4b\u91cf\uff08\u4e0b\u56fe\uff09\u3002\uff08\u56fe\u7247\u6765\u6e90\uff1aMaxim Integrated\uff09\u3002<\/i><\/p>\n<p>\u5bf9\u4e8e\u81ea\u5b9a\u4e49\u8f6f\u4ef6\u5f00\u53d1\uff0cMaxim Integrated \u63d0\u4f9b\u4e86 MAXM86146 \u9002\u7528\u7684\u53ef\u7a7f\u6234\u8bbe\u5907 HRM \u548c SpO2 \u7b97\u6cd5\u8f6f\u4ef6\u5305\u3002\u7531\u4e8e MAXM86146 \u4f7f\u7528\u5176\u96c6\u6210\u5fae\u63a7\u5236\u5668\u56fa\u4ef6\u63d0\u4f9b\u5fc3\u7387\u548c SpO2 \u6d4b\u91cf\uff0c\u56e0\u6b64\u4ece\u8bbe\u5907\u63d0\u53d6\u6570\u636e\u7684\u8fc7\u7a0b\u975e\u5e38\u7b80\u5355\u3002Maxim Integrated \u8f6f\u4ef6\u5305\u6f14\u793a\u4e86\u521d\u59cb\u5316\u8bbe\u5907\uff0c\u6700\u540e\u4ece MAXM86146 FIFO \u8bfb\u53d6\u6570\u636e\u5e76\u89e3\u6790\u51fa\u5404\u4e2a\u6570\u636e\u9879\u7684\u8fc7\u7a0b\uff08\u6e05\u5355 1\uff09\u3002<\/p>\n<pre><code class=\"language-plaintext\">typedef struct{\r\n   uint32_t green_led_cnt;\r\n   uint32_t ir_led_cnt;\r\n   uint32_t red_led_cnt;\r\n   uint32_t hr;\r\n   uint32_t hr_conf;\r\n   uint32_t spo2;\r\n   uint32_t spo2_conf;\r\n   uint32_t scd_state;\r\n} mes_repor_t;\r\n \r\ntypedef struct {\r\n   uint32_t led1;\r\n   uint32_t led2;\r\n   uint32_t led3;\r\n   uint32_t led4;\r\n   uint32_t led5;\r\n   uint32_t led6;\r\n} max8614x_mode1_data;\r\n \r\ntypedef struct {\r\n   int16_t x;\r\n   int16_t y;\r\n   int16_t z;\r\n} accel_mode1_data;\r\n \r\ntypedef struct __attribute__((packed)){\r\n   uint8_t current_opera<u><\/u><u>TI<\/u>ng_mode; \/\/ mode 1 &amp; 2\r\n   \/\/ WHRM data\r\n   uint16_t hr;                  \/\/ mode 1 &amp; 2\r\n   uint8_t hr_conf;              \/\/ mode 1 &amp; 2\r\n   uint16_t rr;                  \/\/ mode 1 &amp; 2\r\n   uint8_t rr_conf;              \/\/ mode 1 &amp; 2\r\n   uint8_t acTIvity_class;       \/\/ mode 1 &amp; 2\r\n   \/\/ WSPO2 data\r\n   uint16_t r;                   \/\/ mode 1 &amp; 2\r\n   uint8_t spo2_conf;            \/\/ mode 1 &amp; 2\r\n   uint16_t spo2;                \/\/ mode 1 &amp; 2\r\n   uint8_t percentComplete;      \/\/ mode 1 &amp; 2\r\n   uint8_t lowSignalQualityFlag; \/\/ mode 1 &amp; 2\r\n   uint8_t moTIonFlag;           \/\/ mode 1 &amp; 2\r\n  uint8_t lowPiFlag;            \/\/ mode 1 &amp; 2\r\n   uint8_t unreliableRFlag;      \/\/ mode 1 &amp; 2\r\n   uint8_t spo2State;            \/\/ mode 1 &amp; 2\r\n   uint8_t scd_contact_state;\r\n} whrm_wspo2_suite_mode1_data;\r\n \r\nvoid execute_data_poll( mes_repor_t* mesOutput ) {\r\n \r\n[deleted lines of code]\r\n \r\n  status = re<u>ad<\/u>_fifo_data(num_samples, WHRMWSPO2_FRAME_SIZE, &amp;databuf[0], sizeof(databuf));\r\n  if(status == SS_SUCCESS &amp;&amp;  num_samples &gt; 0 &amp;&amp; num_samples &lt; MAX_WHRMWSPO2_SAMPLE_COUNT){  \r\n \r\n  max8614x_mode1_data             ppgDataSample;\r\n    accel_mode1_data                accelDataSamp;\r\n    whrm_wspo2_suite_mode1_data     algoDataSamp;\r\n \r\n    int sampleIdx = 0;\r\n    int ptr =0;\r\n    while( sampleIdx &lt; num_samples ) {\r\n \r\n      ppgDataSample.led1                 = (databuf[ptr+1] &lt;&lt; 16) + (databuf[ptr+2] &lt;&lt; 8) + (databuf[ptr+3] &lt;&lt; 0);\r\n      ppgDataSample.led2                 = (databuf[ptr+4] &lt;&lt; 16) + (databuf[ptr+5] &lt;&lt; 8) + (databuf[ptr+6] &lt;&lt; 0);\r\n      ppgDataSample.led3                 = (databuf[ptr+7] &lt;&lt; 16) + (databuf[ptr+8] &lt;&lt; 8) + (databuf[ptr+9] &lt;&lt; 0);\r\n      ppgDataSample.led4                 = (databuf[ptr+10] &lt;&lt; 16)+ (databuf[ptr+11] &lt;&lt; 8)+ (databuf[ptr+12] &lt;&lt; 0);\r\n      ppgDataSample.led5                 = (databuf[ptr+13] &lt;&lt; 16)+ (databuf[ptr+14] &lt;&lt; 8)+ (databuf[ptr+15] &lt;&lt; 0);\r\n      ppgDataSample.led6                 = (databuf[ptr+16] &lt;&lt; 16)+ (databuf[ptr+17] &lt;&lt; 8)+ (databuf[ptr+18] &lt;&lt; 0);\r\n      accelDataSamp.x                    = (databuf[ptr+19] &lt;&lt; 8) + (databuf[ptr+20] &lt;&lt; 0);\r\n      accelDataSamp.y                    = (databuf[ptr+21] &lt;&lt; 8) + (databuf[ptr+22] &lt;&lt; 0);\r\n      accelDataSamp.z                    = (databuf[ptr+23] &lt;&lt; 8) + (databuf[ptr+24] &lt;&lt; 0);\r\n      algoDataSamp.current_operaTIng_mode= (databuf[ptr+25]);\r\n      algoDataSamp.hr                    = (databuf[ptr+26] &lt;&lt; 8) + (databuf[ptr+27] &lt;&lt; 0);\r\n      algoDataSamp.hr_conf               = (databuf[ptr+28]);\r\n      algoDataSamp.rr                    = (databuf[ptr+29] &lt;&lt; 8) + (databuf[ptr+30] &lt;&lt; 0);\r\n      algoDataSamp.rr_conf               = (databuf[ptr+31]);\r\n      algoDataSamp.activity_class        = (databuf[ptr+32]);\r\n      algoDataSamp.r                     = (databuf[ptr+33] &lt;&lt; 8) + (databuf[ptr+34] &lt;&lt; 0);\r\n      algoDataSamp.spo2_conf             = (databuf[ptr+35]);\r\n      algoDataSamp.spo2                  = (databuf[ptr+36] &lt;&lt; 8) + (databuf[ptr+37] &lt;&lt; 0);\r\n      algoDataSamp.percentComplete       = (databuf[ptr+38]);\r\n      algoDataSamp.lowSignalQualityFlag  = (databuf[ptr+39]);\r\n      algoDataSamp.motionFlag            = (databuf[ptr+40]);\r\n      algoDataSamp.lowPiFlag             = (databuf[ptr+41]);\r\n      algoDataSamp.unreliableRFlag       = (databuf[ptr+42]);\r\n      algoDataSamp.spo2State             = (databuf[ptr+43]);\r\n      algoDataSamp.scd_contact_state     = (databuf[ptr+44]);\r\n \r\n      mesOutput-&gt;green_led_cnt           = ppgDataSample.led1;\r\n      mesOutput-&gt;ir_led_cnt              = ppgDataSample.led2;\r\n      mesOutput-&gt;red_led_cnt             = ppgDataSample.led3;\r\n      mesOutput-&gt;hr                      = algoDataSamp.hr \/ 10;\r\n      mesOutput-&gt;hr_conf                 = algoDataSamp.hr_conf;\r\n      mesOutput-&gt;spo2                    = algoDataSamp.spo2 \/ 10;\r\n      mesOutput-&gt;spo2_conf               = algoDataSamp.spo2_conf;\r\n      mesOutput-&gt;scd_state               = algoDataSamp.scd_contact_state;\r\n \r\n   \/* printf(\" greenCnt= %d , irCnt= %d , redCnt = %d ,\"\r\n                     \" hr= %d , hr_conf= %d , spo2= %d , spo2_conf= %d , skin_contact = %d \\r\\n\"\r\n                     , mesOutput-&gt;green_led_cnt , mesOutput-&gt;ir_led_cnt , mesOutput-&gt;red_led_cnt\r\n                     , mesOutput-&gt;hr , mesOutput-&gt;hr_conf , mesOutput-&gt;spo2 , mesOutput-&gt;spo2_conf , mesOutput-&gt;scd_state);\r\n         *\/            \r\n[deleted lines of code]<\/code><\/pre>\n<p>&nbsp;<\/p>\n<p><i>\u6e05\u5355 1\uff1aMaxim Integrated \u7684\u8f6f\u4ef6\u5305\u4e00\u6bb5\u4ee3\u7801\u5c55\u793a\u4e86\u4ece\u751f\u7269\u4f20\u611f\u6a21\u5757\u63d0\u53d6\u6d4b\u91cf\u503c\u548c\u5176\u4ed6\u6570\u636e\u7684\u57fa\u672c\u6280\u672f\u3002\uff08\u4ee3\u7801\u6765\u6e90\uff1aMaxim Integrated\uff09<\/i><\/p>\n<p>\u6e05\u5355 1 \u6f14\u793a\u4e86\u5982\u4f55\u4f7f\u7528 C \u8bed\u8a00\u4f8b\u7a0b execute_data_poll() \u4ece MAXM86146 \u8fd4\u56de\u4e00\u4e9b\u5fc3\u7387\u548c SpO2 \u8bfb\u6570\u3002\u5728\u8fd9\u91cc\uff0c\u8be5\u4ee3\u7801\u5c06\u8bbe\u5907\u7684 FIFO \u8bfb\u5165\u672c\u5730\u7f13\u5b58 databuf\uff0c\u7136\u540e\u5c06 databuf \u7684\u5185\u5bb9\u6620\u5c04\u5230\u51e0\u4e2a\u4e0d\u540c C \u8bed\u8a00\u8f6f\u4ef6\u7ed3\u6784\u7684\u5b9e\u4f8b\u3002\u9664\u4e86\u5c06\u914d\u7f6e\u6570\u636e\u548c\u5176\u4ed6\u5143\u6570\u636e\u5b58\u50a8\u5230\u8fd9\u4e9b\u7ed3\u6784\u5b9e\u4f8b\u4e2d\uff0c\u8be5\u4f8b\u7a0b\u6700\u540e\u8fd8\u5728 mesOutput\uff08mes_repor_t \u7ed3\u6784\u7684\u4e00\u4e2a\u5b9e\u4f8b\uff09\u4e2d\u63d0\u4f9b\u5fc3\u7387\u548c SpO2 \u6d4b\u91cf\u503c\u3002\u5f00\u53d1\u4eba\u5458\u53ea\u9700\u53d6\u6d88\u5bf9\u6700\u540e printf \u8bed\u53e5\u7684\u6ce8\u91ca\uff0c\u5373\u53ef\u5728\u63a7\u5236\u53f0\u4e0a\u663e\u793a\u7ed3\u679c\u3002<\/p>\n<p>\u4e3a\u4e86\u5b9e\u73b0\u5065\u5eb7\u4e0e\u4fdd\u5065\u53ef\u7a7f\u6234\u8bbe\u8ba1\uff0cMAXM86146 \u7684\u8f6f\u786c\u4ef6\u5927\u5e45\u7b80\u5316\u4e86\u5f00\u53d1\u3002\u4f46\u662f\uff0c\u5bf9\u4e8e\u65e8\u5728\u83b7\u5f97\u7f8e\u56fd\u98df\u54c1\u836f\u54c1\u76d1\u7763\u7ba1\u7406\u5c40 (FDA) \u6279\u51c6\u7684\u8bbe\u5907\uff0c\u5f00\u53d1\u4eba\u5458\u5fc5\u987b\u8fdb\u884c\u9002\u5f53\u7684<u>\u6d4b\u8bd5<\/u>\uff0c\u4ee5\u9a8c\u8bc1\u6700\u7ec8\u4ea7\u54c1\u7684 FDA \u7ea7\u6027\u80fd\u3002\u867d\u7136 Maxim Integrated \u7684 MAXM86146 \u53ca\u5176\u5d4c\u5165\u5f0f\u7b97\u6cd5\u63d0\u4f9b\u4e86 FDA \u7ea7\u6d4b\u91cf\u6027\u80fd\uff0c\u4f46\u5f00\u53d1\u4eba\u5458\u9700\u8981\u786e\u4fdd\u6574\u4e2a\u7cfb\u7edf\u6ee1\u8db3 FDA \u7684\u6027\u80fd\u8981\u6c42\uff0c\u800c\u4e0d\u4ec5\u4ec5\u662f\u4f20\u611f\u5668\u6ee1\u8db3\u8be5\u8981\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Maxim Integrated \u7684 MAXM86146 \u751f\u7269\u4f20\u611f\u6a21\u5757\u91c7\u7528 4.5 x 4.1 x 0.88  [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[14],"tags":[],"_links":{"self":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts\/7885"}],"collection":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=7885"}],"version-history":[{"count":2,"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts\/7885\/revisions"}],"predecessor-version":[{"id":7892,"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts\/7885\/revisions\/7892"}],"wp:attachment":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7885"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7885"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7885"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}