{"id":10020511,"date":"2024-12-19T20:22:19","date_gmt":"2024-12-19T12:22:19","guid":{"rendered":"https:\/\/itmax.cn\/?p=10020511"},"modified":"2024-12-19T20:22:19","modified_gmt":"2024-12-19T12:22:19","slug":"gy-302%e5%85%89%e6%84%9f%e6%a8%a1%e5%9d%97%e8%af%a6%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/itmax.cn\/?p=10020511","title":{"rendered":"GY-302\u5149\u611f\u6a21\u5757\u8be6\u89e3"},"content":{"rendered":"<p>\u5728\u519c\u4e1a\u7269\u8054\u7f51\u4e2d\uff0c\u6709\u8fd9\u4e48\u4e00\u4e2a\u5c0f\u6a21\u5757\uff0c\u5374\u53d1\u6325\u7740\u5de8\u5927\u7684\u4f5c\u7528\uff0c\u5b83\u5c31\u662f\u5149\u611f\u6a21\u5757\u3002\u4e0d\u8981\u770b\u5b83\u53ea\u662f\u5c0f\u5c0f\u7684\u4e00\u5757\uff0c\u5b83\u80cc\u8d1f\u7740\u68c0\u6d4b\u5149\u7167\u5f3a\u5ea6\u8fd9\u4e00\u4e2a\u5de8\u5927\u7684\u4efb\u52a1\uff0c\u800c\u5149\u7167\u662f\u53ef\u4ee5\u76f4\u63a5\u5f71\u54cd\u5230\u519c\u4f5c\u7269\u4ea7\u91cf\u7684\u4e00\u4e2a\u56e0\u7d20\u3002\u6240\u4ee5\u4eca\u5929\u5c31\u8ba9\u6211\u4eec\u6765\u597d\u597d\u5b66\u4e60\u8fd9\u4e2a\u5c0f\u5c0f\u7684\u5149\u611f\u6a21\u5757\u5427\uff01<\/p>\n<h2>1. \u6e90\u7801\u4e0b\u8f7d\u53ca\u524d\u7f6e\u9605\u8bfb<\/h2>\n<p>\u672c\u6587\u9996\u53d1\uff1a<a href=\"https:\/\/link.segmentfault.com\/?enc=5ge86MeJSxuCz5Y8k72x5Q%3D%3D.OgiWthQyPFt4zKGHYcGkIkwl1Iet6%2FUc%2FAJKNHB7ZC8%3D\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">https:\/\/www.lxlinux.net\/e\/<\/a> \uff0c\u6b22\u8fce\u5173\u6ce8\uff01<\/p>\n<p>\u672c\u6587\u6240\u6d89\u53ca\u7684\u6e90\u7801\u53ca\u5b89\u88c5\u5305\u5982\u4e0b\uff08\u7531\u4e8e\u5e73\u53f0\u9650\u5236\uff0c\u8bf7\u70b9\u51fb\u4ee5\u4e0b\u94fe\u63a5\u9605\u8bfb\u539f\u6587\u4e0b\u8f7d\uff09\uff1a<\/p>\n<p><a href=\"https:\/\/link.segmentfault.com\/?enc=HMowCtnyxfBw9UNlSnx98g%3D%3D.7z%2F7vEo%2BKJkX74OvVI0WeWE%2F7jtdhl7PjteIVne3M3lPgn%2BU2hsU7TQaCZIZFlpTL%2BCVGYnkDkyFnzj2M9Y29g%3D%3D\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">https:\/\/www.lxlinux.net\/e\/stm32\/gy-302-tutorial.html<\/a><\/p>\n<p>\u5982\u679c\u4f60\u662f\u5d4c\u5165\u5f0f\u5f00\u53d1\u5c0f\u767d\uff0c\u90a3\u4e48\u5efa\u8bae\u4f60\u5148\u8bfb\u8bfb\u4e0b\u9762\u51e0\u7bc7\u6587\u7ae0\u3002<\/p>\n<ul>\n<li>\u8ba1\u7b97\u673a\u6982\u5ff5\u7406\u6e05\uff0c\u751f\u52a8\u5f62\u8c61\uff0c\u901a\u4fd7\u6613\u61c2\uff1a<a href=\"https:\/\/link.segmentfault.com\/?enc=yDWn4FCFMUAz5YT2vqQvpw%3D%3D.pmOnG8tJjPUlJAWybI0keEeSplYLH5cpqmb%2BHeODLNCdrzNQn1%2FejqJE0UGIxE8uvSDxJNpNl2XSTpLhOGNftg%3D%3D\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">\u56fe\u89e3\u56fa\u4ef6\u3001\u9a71\u52a8\u3001\u8f6f\u4ef6\u7684\u533a\u522b<\/a><\/li>\n<li>\u4e86\u89e3\u4e0d\u540c\u7684\u4e0b\u8f7d\u7a0b\u5e8f\u65b9\u6cd5\uff0c\u4e3a\u4f60\u7684\u5d4c\u5165\u5f0f\u5f00\u53d1\u63d0\u4f9b\u66f4\u591a\u9009\u62e9\uff1a<a href=\"https:\/\/link.segmentfault.com\/?enc=cNd0wjUNexPqG3zbmMoQ9A%3D%3D.XSbOMQabLDLbKQOvAYHmUFEQ5hmmLFBsR3vgWHUuwjfnzfKXQhg5lO7K9%2BZ776oE0WSbvLNjllg7r%2FxWITz4U%2FDpl3sOY44eKfqYJNBl%2BYA%3D\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">STM32\u4e0b\u8f7d\u7a0b\u5e8f\u7684\u4e94\u79cd\u65b9\u6cd5<\/a><\/li>\n<li>\u5d4c\u5165\u5f0f\u5f00\u53d1\u8005\u7684\u5f97\u529b\u52a9\u624b\uff0c\u5f3a\u5927\u7684MDK\u4eff\u771f\uff1a<a href=\"https:\/\/link.segmentfault.com\/?enc=maFD5qrkBnvhRLanKEDTQw%3D%3D.CO%2BEw41tfMHJxLja%2BLY%2F4dDnNBBzYrN0hsWj69lEH%2FFMCUQe1GGHUjG2ZEmuIi1zmhEmmvSvyh1gj5PGJs5raA%3D%3D\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">\u624b\u628a\u624b\u6559\u4f60\u4f7f\u7528MDK\u4eff\u771f\u8c03\u8bd5<\/a><\/li>\n<\/ul>\n<p>\u5f80\u671f\u6559\u7a0b\uff0c\u6709\u5174\u8da3\u7684\u5c0f\u4f19\u4f34\u53ef\u4ee5\u770b\u770b\u3002<\/p>\n<ul>\n<li>\u84dd\u7259\u6a21\u5757\u77e5\u8bc6\u5e94\u7528\uff1a<a href=\"https:\/\/link.segmentfault.com\/?enc=lk1ckHlJi3TVkPKyJhzbQQ%3D%3D.U0dxC6ExZefRzcsIQ1WXTALHBMzwBnhmSvVmJchaVD2YUCXTojzQ0TeAt881gtZbw7jIgoe2ob9WYm5QdCBEHQ%3D%3D\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">\u5c0f\u9879\u76ee\uff1a\u84dd\u7259\u6a21\u5757\u70b9\u4eaeRGB\u4e09\u8272\u706f<\/a><\/li>\n<li>\u7b80\u5355\u597d\u7528\uff0c\u4e3a\u4f60\u7684\u667a\u80fd\u8bed\u97f3\u9879\u76ee\u63d0\u4f9b\u6838\u5fc3\u652f\u6301\uff1a<a href=\"https:\/\/link.segmentfault.com\/?enc=y3Dyfukgq4FhsrrGSxLyiA%3D%3D.XkBNnRdjpym6tpHO%2Bb2utqvsvjDaAPqb8pkg4i%2BZJ4n4%2BuH0%2B8jSUWE9itG0%2FJ6HOh7VPPrfvFYjz7IKHRGkHg%3D%3D\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">SU-03T\u8bed\u97f3\u63a7\u5236\u6a21\u5757\u8be6\u89e3<\/a><\/li>\n<li>\u7ee7\u7535\u5668\u6a21\u5757\u7684\u539f\u7406\u3001\u529f\u80fd\u548c\u5e94\u7528\uff1a<a href=\"https:\/\/link.segmentfault.com\/?enc=ZU7GSd5s1zcT6YPKIuMqeA%3D%3D.LcjNhxzelQQQjJsvwboMXfUOKy7ralQTMinBCXH2DtH5m3%2BzEjRWFhHDV%2Bjxk3unss38EczUYxKjgTPHlFvQcA%3D%3D\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">\u7ee7\u7535\u5668\u6a21\u5757\u8be6\u89e3<\/a><\/li>\n<\/ul>\n<table>\n<thead>\n<tr>\n<th align=\"left\">\u4f5c\u8005\u7b80\u4ecb<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td align=\"left\">\u5927\u5bb6\u597d\uff0c\u6211\u662f\u826f\u8bb8\uff0c\u535a\u5ba2\u91cc\u6240\u6709\u7684\u6587\u7ae0\u7686\u4e3a\u6211\u7684\u539f\u521b\u3002<br \/>\u4e0b\u9762\u662f\u6211\u7684\u4e00\u4e9b\u4e2a\u4eba\u4ecb\u7ecd\uff0c\u6b22\u8fce\u4ea4\u4e2a\u670b\u53cb\uff1a<br \/>\u00b7 211\u5de5\u79d1\u7855\u58eb\uff0c\u56fd\u5bb6\u5956\u5b66\u91d1\u83b7\u5f97\u8005\uff1b<br \/>\u00b7 \u6df1\u8015\u5d4c\u5165\u5f0f11\u5e74\uff0c\u524d\u4e16\u754c500\u5f3a\u5916\u4f01\u9ad8\u7ea7\u5d4c\u5165\u5f0f\u5de5\u7a0b\u5e08\uff1b<br \/>\u00b7 \u4e66\u7c4d\u300a\u901f\u5b66Linux\u4f5c\u8005\u300b\uff0c\u673a\u68b0\u5de5\u4e1a\u51fa\u7248\u793e\u4e13\u5bb6\u59d4\u5458\u4f1a\u6210\u5458\uff1b<br \/>\u00b7 \u5168\u7f5160W\u7c89\u4e1d\uff0c\u535a\u5ba2\u5206\u4eab\u5927\u91cf\u539f\u521b\u6210\u4f53\u7cfb\u6587\u7ae0\uff0c\u5168\u7f51\u9605\u8bfb\u91cf\u7d2f\u8ba1\u8d854000\u4e07\uff1b<br \/>\u00b7 \u9760\u81ea\u5a92\u4f53\u8fde\u7eed\u5e74\u5165\u767e\u4e07\uff0c\u9760\u81ea\u5df1\u4e70\u623f\u4e70\u8f66\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u6211\u672c\u79d1\u53ca\u7855\u58eb\u90fd\u662f\u5b66\u673a\u68b0\uff0c\u901a\u8fc7\u81ea\u5b66\u6210\u529f\u8fdb\u5165\u4e16\u754c500\u5f3a\u5916\u4f01\u3002\u6211\u5df2\u7ecf\u5c06\u81ea\u5df1\u7684\u5b66\u4e60\u7ecf\u9a8c\u5199\u6210\u4e86\u4e00\u672c\u7535\u5b50\u4e66\uff0c\u8d85\u5343\u4eba\u901a\u8fc7\u6b64\u4e66\u5b66\u4e60\u5e76\u8f6c\u884c\u6210\u529f\u3002\u73b0\u5728\u5c06\u8fd9\u672c\u7535\u5b50\u4e66\u514d\u8d39\u5206\u4eab\u7ed9\u5927\u5bb6\uff0c\u5e0c\u671b\u5bf9\u4f60\u4eec\u6709\u5e2e\u52a9\uff1a<\/p>\n<p>\u7535\u5b50\u4e66\u94fe\u63a5\uff1a<a href=\"https:\/\/link.segmentfault.com\/?enc=dcOPrfteF1dFEgjavrQYsA%3D%3D.aMDhBdBs%2FsL7xnZBuZntDBhi8L77EcI5ti1ETL9VQM01Rzujo6bGqhrIGpYb1c7B\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">https:\/\/www.lxlinux.net\/1024.html<\/a><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"392\" height=\"836\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVdfebd\" alt=\"\" title=\"\"><\/p>\n<h2>2. GY-302\u5149\u611f\u6a21\u5757\u4ecb\u7ecd<\/h2>\n<p>\u672c\u6587\u5c06\u5e26\u4f60\u5177\u4f53\u4e86\u89e3 GY-302 \u5149\u611f\u6a21\u5757\u3002<\/p>\n<p>GY-302 \u5149\u611f\u6a21\u5757\u7684\u82af\u7247\u662f BH1750FVI\uff0cBH1750FVI \u7684\u5185\u90e8\u662f\u7531\u5149\u654f\u4e8c\u6781\u7ba1\u3001\u8fd0\u7b97\u653e\u5927\u5668\u3001ADC \u91c7\u96c6\u3001\u6676\u632f\u7b49\u7ec4\u6210\u7684\uff0c\u5b83\u7684\u901a\u4fe1\u534f\u8bae\u662f I2C\u3002BH1750FVI \u7684\u5de5\u4f5c\u539f\u7406\u662f PD \u4e8c\u6781\u7ba1\u901a\u8fc7\u5149\u751f\u4f0f\u7279\u6548\u5e94\u5c06\u8f93\u5165\u5149\u4fe1\u53f7\u8f6c\u6362\u6210\u7535\u4fe1\u53f7\uff0c\u7ecf\u8fd0\u7b97\u653e\u5927\u7535\u8def\u653e\u5927\u540e\uff0c\u7531 ADC \u91c7\u96c6\u7535\u538b\uff0c\u7136\u540e\u901a\u8fc7\u903b\u8f91\u7535\u8def\u8f6c\u6362\u6210 16 \u4f4d\u4e8c\u8fdb\u5236\u6570\u5b58\u50a8\u5728\u5185\u90e8\u7684\u5bc4\u5b58\u5668\u4e2d\uff08\u5149\u7167\u8d8a\u5f3a\uff0c\u5149\u7535\u6d41\u8d8a\u5927\uff0c\u7535\u538b\u5c31\u8d8a\u5927\uff09\u3002<\/p>\n<p>\u8fd9\u662f\u4e00\u6b3e\u6211\u4eec\u6700\u5e38\u89c1\u7684 GY-302 \u5149\u611f\u6a21\u5757\uff0c\u5b83\u957f\u8fd9\u6837\uff1a<\/p>\n<p>&lt;img src=&quot;https:\/\/lxlinux.superbed.verylink.top\/item\/659a9fa5871b83018a3db50b.png&quot; style=&quot;zoom:50%;&quot; \/&gt;<\/p>\n<p>\u5f15\u811a\u8bf4\u660e\uff1a<\/p>\n<p>VCC\uff1a\u7535\u6e90\u5f15\u811a\uff0c\u63a5\u6b63\u7535\uff083V~5V\uff09\uff1b<\/p>\n<p>GND\uff1a\u7535\u6e90\u5f15\u811a\uff0c\u63a5\u8d1f\u7535\uff1b<\/p>\n<p>SCL\uff1a\u65f6\u949f\u5f15\u811a\uff0c\u8981\u63a5\u5728\u5355\u7247\u673a\u6709 I2C-SCL \u529f\u80fd\u7684\u5f15\u811a\u4e0a\uff1b<\/p>\n<p>SDA\uff1a\u6570\u636e\u5f15\u811a\uff0c\u8981\u63a5\u5728\u5355\u7247\u673a\u6709 I2C-SDA \u529f\u80fd\u7684\u5f15\u811a\u4e0a\uff1b<\/p>\n<p>ADDR\uff1a\u63a5\u5728 GND \u6216\u8005 VCC \u4e0a\uff08\u63a5\u5728 GND \u548c VCC \u4e0a\u7684\u786c\u4ef6\u5730\u5740\u4e0d\u76f8\u540c\uff09\u3002<\/p>\n<p>\u8bbe\u5907\u53c2\u6570\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th align=\"center\">\u53c2\u6570<\/th>\n<th align=\"center\">\u989d\u5b9a\u503c<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td align=\"center\">\u7535\u6e90\u7535\u538b<\/td>\n<td align=\"center\">4.5V<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">\u8fd0\u884c\u6e29\u5ea6<\/td>\n<td align=\"center\">-40 ~ 85\u2103<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">\u50a8\u5b58\u6e29\u5ea6<\/td>\n<td align=\"center\">-40 ~ 100\u2103<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">\u53cd\u5411\u7535\u6d41<\/td>\n<td align=\"center\">7mA<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">\u529f\u7387\u635f\u8017<\/td>\n<td align=\"center\">260mW<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u8fd0\u884c\u6761\u4ef6\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th align=\"center\">\u53c2\u6570<\/th>\n<th align=\"center\">\u6700\u5c0f\u503c<\/th>\n<th align=\"center\">\u65f6\u95f4<\/th>\n<th align=\"center\">\u6700\u5927\u503c<\/th>\n<th align=\"center\">\u5355\u4f4d<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td align=\"center\">VCC\u7535\u538b<\/td>\n<td align=\"center\">2.4<\/td>\n<td align=\"center\">3.0<\/td>\n<td align=\"center\">3.6<\/td>\n<td align=\"center\">V<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">I2C\u53c2\u8003\u7535\u538b<\/td>\n<td align=\"center\">1.65<\/td>\n<td align=\"center\">\u2014<\/td>\n<td align=\"center\">VCC<\/td>\n<td align=\"center\">V<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u7279\u70b9\uff1a<\/p>\n<ol>\n<li>\u91c7\u7528 ROHM \u539f\u88c5 BH1750FVI \u82af\u7247\uff1b<\/li>\n<li>\u6570\u636e\u8303\u56f4\uff1a0-65535lx\uff1b<\/li>\n<li>\u4f9b\u7535\u7535\u6e90\uff1a3-5V\uff1b<\/li>\n<li>\u5c3a\u5bf8\uff1a13.9mm\u00d718.5mm\uff1b<\/li>\n<li>\u4f20\u611f\u5668\u5185\u7f6e 16bitAD \u8f6c\u6362\u5668\uff1b<\/li>\n<li>\u76f4\u63a5\u6570\u5b57\u8f93\u51fa\uff0c\u7701\u7565\u590d\u6742\u7684\u8ba1\u7b97\uff1b<\/li>\n<li>\u4e0d\u533a\u5206\u73af\u5883\u5149\u6e90\uff0c\u63a5\u8fd1\u4e8e\u89c6\u89c9\u7075\u654f\u5ea6\u7684\u5206\u5149\u7279\u6027\uff1b<\/li>\n<li>\u53ef\u5bf9\u5e7f\u6cdb\u7684\u4eae\u5ea6\u8fdb\u884c\u9ad8\u7cbe\u5ea6\u6d4b\u5b9a\uff1b<\/li>\n<li>\u6a21\u5757\u5185\u90e8\u5305\u542b\u901a\u4fe1\u7535\u5e73\u8f6c\u6362\u3002<\/li>\n<\/ol>\n<h2>3. IIC\u901a\u4fe1<\/h2>\n<p>GY-302 \u5149\u611f\u6a21\u5757\u7684\u901a\u4fe1\u534f\u8bae\u662f I2C\u3002<\/p>\n<p>I2C \u901a\u4fe1\u534f\u8bae\u662f\u4e00\u79cd\u4e32\u884c\u901a\u4fe1\u603b\u7ebf\uff0c\u4f7f\u7528\u591a\u4e3b\u4ece\u67b6\u6784\uff0c\u662f\u7531\u98de\u5229\u6d66\uff08Philips\uff09\u516c\u53f8\u5728 1980 \u5e74\u4ee3\u521d\u8bbe\u8ba1\u7684\u4e00\u79cd\u4e32\u884c\u3001\u534a\u53cc\u5de5\u7684\u901a\u4fe1\uff0c\u4e3b\u8981\u7528\u4e8e\u8fd1\u8ddd\u79bb\u3001\u4f4e\u901f\u7684\u82af\u7247\u4e4b\u95f4\u7684\u901a\u4fe1\u3002I2C \u603b\u7ebf\u6709\u4e24\u6839\u53cc\u5411\u7684\u4fe1\u53f7\u7ebf\uff0c\u4e00\u6839\u6570\u636e\u7ebf SDA \u7528\u4e8e\u6536\u53d1\u6570\u636e\uff0c\u4e00\u6839\u65f6\u949f\u7ebf SCL \u7528\u4e8e\u901a\u4fe1\u53cc\u65b9\u65f6\u949f\u7684\u540c\u6b65\u3002<\/p>\n<p>\u4e0d\u592a\u61c2 I2C \u901a\u4fe1\u534f\u8bae\u7684\u5c0f\u4f19\u4f34\u53ef\u4ee5\u53bb\u770b\u4e00\u4e0b 0.96 \u5bf8 OLED \u5c4f\u5e55\u6a21\u5757\u7684\u6587\u7ae0\uff0c\u90a3\u91cc\u9762\u6709\u8be6\u7ec6\u7684\u6559\u7a0b\u3002<\/p>\n<p>\u3010OLED\u94fe\u63a5\u3011<\/p>\n<h2>4. GY-302\u6307\u4ee4\u96c6<\/h2>\n<p>GY-302 \u6307\u4ee4\u96c6\u662f\u4e00\u79cd\u7528\u4e8e\u63a7\u5236\u548c\u64cd\u4f5c\u5de5\u4e1a\u81ea\u52a8\u5316\u8bbe\u5907\u7684\u7f16\u7a0b\u8bed\u8a00\u3002\u5b83\u7531\u4e00\u7cfb\u5217\u6307\u4ee4\u7ec4\u6210\uff0c\u53ef\u4ee5\u63a7\u5236\u5404\u79cd\u8bbe\u5907\uff0c\u5982\u673a\u5668\u4eba\u3001PLC\uff08\u53ef\u7f16\u7a0b\u903b\u8f91\u63a7\u5236\u5668\uff09\u3001CNC\uff08\u8ba1\u7b97\u673a\u6570\u63a7\uff09\u7cfb\u7edf\u7b49\u3002<\/p>\n<p>GY-302 \u6307\u4ee4\u96c6\u7684\u7279\u70b9\uff1a<\/p>\n<ol>\n<li>\u6613\u4e8e\u7406\u89e3\u548c\u4f7f\u7528\uff1a\u91c7\u7528\u4e86\u4e00\u79cd\u7b80\u5355\u6613\u61c2\u7684\u8bed\u6cd5\uff0c\u4f7f\u5f97\u5f00\u53d1\u4eba\u5458\u80fd\u591f\u8f7b\u677e\u5730\u5b66\u4e60\u548c\u4f7f\u7528\u5b83\u3002<\/li>\n<li>\u5f3a\u5927\u7684\u529f\u80fd\uff1a\u63d0\u4f9b\u4e86\u4e00\u7cfb\u5217\u529f\u80fd\u5f3a\u5927\u7684\u6307\u4ee4\uff0c\u53ef\u4ee5\u5b8c\u6210\u5404\u79cd\u590d\u6742\u7684\u4efb\u52a1\uff0c\u5982\u8fd0\u52a8\u63a7\u5236\u3001\u903b\u8f91\u63a7\u5236\u3001\u6570\u636e\u5904\u7406\u7b49\u3002<\/li>\n<li>\u53ef\u6269\u5c55\u6027\uff1a\u5177\u6709\u826f\u597d\u7684\u53ef\u6269\u5c55\u6027\uff0c\u53ef\u4ee5\u901a\u8fc7\u6dfb\u52a0\u65b0\u7684\u6307\u4ee4\u548c\u529f\u80fd\u6765\u6ee1\u8db3\u4e0d\u65ad\u53d1\u5c55\u7684\u5de5\u4e1a\u81ea\u52a8\u5316\u9700\u6c42\u3002<\/li>\n<li>\u517c\u5bb9\u6027\uff1a\u4e0e\u591a\u79cd\u786c\u4ef6\u8bbe\u5907\u548c\u8f6f\u4ef6\u5e73\u53f0\u517c\u5bb9\uff0c\u4f7f\u5f97\u7528\u6237\u53ef\u4ee5\u5728\u4e0d\u540c\u7684\u8bbe\u5907\u548c\u5e73\u53f0\u4e0a\u4f7f\u7528\u76f8\u540c\u7684\u6307\u4ee4\u96c6\u3002<\/li>\n<li>\u5b89\u5168\u6027\uff1a\u91c7\u7528\u4e86\u4e00\u7cfb\u5217\u5b89\u5168\u673a\u5236\uff0c\u4ee5\u786e\u4fdd\u5de5\u4e1a\u81ea\u52a8\u5316\u7cfb\u7edf\u7684\u5b89\u5168\u548c\u7a33\u5b9a\u8fd0\u884c\u3002<\/li>\n<\/ol>\n<p>GY-302\u6307\u4ee4\u96c6\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th align=\"center\">\u529f\u80fd<\/th>\n<th align=\"center\">\u5341\u516d\u8fdb\u5236\u6307\u4ee4<\/th>\n<th align=\"center\">\u8bf4\u660e<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td align=\"center\">\u65ad\u7535<\/td>\n<td align=\"center\">0x00<\/td>\n<td align=\"center\">\u65e0\u6fc0\u6d3b\u72b6\u6001<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">\u901a\u7535<\/td>\n<td align=\"center\">0x01<\/td>\n<td align=\"center\">\u7b49\u5f85\u6d4b\u91cf\u6307\u4ee4<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">\u91cd\u7f6e<\/td>\n<td align=\"center\">0x07<\/td>\n<td align=\"center\">\u91cd\u7f6e\u6570\u5b57\u5bc4\u5b58\u5668\u503c\uff08\u91cd\u7f6e\u6307\u4ee4\u5728\u65ad\u7535\u6a21\u5f0f\u4e0b\u4e0d\u8d77\u4f5c\u7528\uff09<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">\u8fde\u7eed H \u5206\u8fa8\u7387\u6a21\u5f0f<\/td>\n<td align=\"center\">0x10<\/td>\n<td align=\"center\">\u5728 11x \u5206\u8fa8\u7387\u4e0b\u5f00\u59cb\u6d4b\u91cf\uff08\u6d4b\u91cf\u65f6\u95f4\u4e00\u822c\u4e3a 120ms\uff09<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">\u8fde\u7eed H \u5206\u8fa8\u7387\u6a21\u5f0f2<\/td>\n<td align=\"center\">0x11<\/td>\n<td align=\"center\">\u5728 0.51x \u5206\u8fa8\u7387\u4e0b\u5f00\u59cb\u6d4b\u91cf\uff08\u6d4b\u91cf\u65f6\u95f4\u4e00\u822c\u4e3a 120ms\uff09<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">\u8fde\u7eed L \u5206\u8fa8\u7387\u6a21\u5f0f<\/td>\n<td align=\"center\">0x13<\/td>\n<td align=\"center\">\u5728 411x \u5206\u8fa8\u7387\u4e0b\u5f00\u59cb\u6d4b\u91cf\uff08\u6d4b\u91cf\u65f6\u95f4\u4e00\u822c\u4e3a 16ms\uff09<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">\u4e00\u6b21 H \u5206\u8fa8\u7387\u6a21\u5f0f<\/td>\n<td align=\"center\">0x20<\/td>\n<td align=\"center\">\u5728 11x \u5206\u8fa8\u7387\u4e0b\u5f00\u59cb\u6d4b\u91cf\uff08\u6d4b\u91cf\u65f6\u95f4\u4e00\u822c\u4e3a 120ms\uff0c\u6d4b\u91cf\u540e\u81ea\u52a8\u8bbe\u7f6e\u4e3a\u65ad\u7535\u6a21\u5f0f\uff09<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">\u4e00\u6b21 H \u5206\u8fa8\u7387\u6a21\u5f0f2<\/td>\n<td align=\"center\">0x21<\/td>\n<td align=\"center\">\u5728 0.51x \u5206\u8fa8\u7387\u4e0b\u5f00\u59cb\u6d4b\u91cf\uff08\u6d4b\u91cf\u65f6\u95f4\u4e00\u822c\u4e3a 120ms\uff0c\u6d4b\u91cf\u540e\u81ea\u52a8\u8bbe\u7f6e\u4e3a\u65ad\u7535\u6a21\u5f0f\uff09<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">\u4e00\u6b21 L \u5206\u8fa8\u7387\u6a21\u5f0f<\/td>\n<td align=\"center\">0x23<\/td>\n<td align=\"center\">\u5728 411x \u5206\u8fa8\u7387\u4e0b\u5f00\u59cb\u6d4b\u91cf\uff08\u6d4b\u91cf\u65f6\u95f4\u4e00\u822c\u4e3a 16ms\uff0c\u6d4b\u91cf\u540e\u81ea\u52a8\u8bbe\u7f6e\u4e3a\u65ad\u7535\u6a21\u5f0f\uff09<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">\u6539\u53d8\u6d4b\u91cf\u65f6\u95f4\uff08\u9ad8\u4f4d\uff09<\/td>\n<td align=\"center\">01000_MT[7,6,5]<\/td>\n<td align=\"center\">\u6539\u53d8\u6d4b\u91cf\u65f6\u95f4\uff08\u8981\u53c2\u8003\u201c\u6839\u636e\u5149\u5b66\u6247\u7a97\u7684\u5f71\u54cd\u8c03\u6574\u6d4b\u91cf\u7ed3\u679c\u201d\uff09<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">\u6539\u53d8\u6d4b\u91cf\u65f6\u95f4\uff08\u4f4e\u4f4d\uff09<\/td>\n<td align=\"center\">011_MT[4,3,2,1,0]<\/td>\n<td align=\"center\">\u6539\u53d8\u6d4b\u91cf\u65f6\u95f4\uff08\u8981\u53c2\u8003\u201c\u6839\u636e\u5149\u5b66\u6247\u7a97\u7684\u5f71\u54cd\u8c03\u6574\u6d4b\u91cf\u7ed3\u679c\u201d\uff09<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>5. GY-302\u9a71\u52a8\u4ee3\u7801<\/h2>\n<p>\u63a5\u7740\u6211\u4eec\u6765\u5b66\u4e60\u5982\u4f55\u4f7f\u7528 GY-302 \u5149\u611f\u6a21\u5757\u3002<\/p>\n<p>\u672c\u6559\u7a0b\u4f7f\u7528\u7684\u786c\u4ef6\u5982\u4e0b\uff1a<\/p>\n<ul>\n<li>\u5149\u611f\u6a21\u5757\uff1aGY-302<\/li>\n<li>\u5355\u7247\u673a\uff1aSTM32F103C8T6<\/li>\n<li>\u4e32\u53e3\uff1aUSB \u8f6c TTL<\/li>\n<li>\u70e7\u5f55\u5668\uff1aST-LINK V2<\/li>\n<\/ul>\n<p>\u63a5\u7ebf\u5982\u4e0b\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th align=\"center\">GY-302<\/th>\n<th align=\"center\">STM32C8T6<\/th>\n<th align=\"center\">0.96\u5bf8OLED\u5c4f\u5e55\u6a21\u5757<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td align=\"center\">VCC<\/td>\n<td align=\"center\">VCC<\/td>\n<td align=\"center\">VCC<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">GND<\/td>\n<td align=\"center\">GND<\/td>\n<td align=\"center\">GND<\/td>\n<\/tr>\n<tr>\n<td align=\"center\"> <\/td>\n<td align=\"center\">B8<\/td>\n<td align=\"center\">SCL<\/td>\n<\/tr>\n<tr>\n<td align=\"center\"> <\/td>\n<td align=\"center\">B9<\/td>\n<td align=\"center\">SDA<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">SCL<\/td>\n<td align=\"center\">B10<\/td>\n<td align=\"center\"> <\/td>\n<\/tr>\n<tr>\n<td align=\"center\">SDA<\/td>\n<td align=\"center\">B11<\/td>\n<td align=\"center\"> <\/td>\n<\/tr>\n<tr>\n<td align=\"center\">ADDR<\/td>\n<td align=\"center\">G<\/td>\n<td align=\"center\"> <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u70e7\u5f55\u7684\u65f6\u5019\u63a5\u7ebf\u5982\u4e0b\u8868\uff0c\u5982\u679c\u4e0d\u4f1a\u70e7\u5f55\u7684\u8bdd\u53ef\u4ee5\u770b\u6211\u4e4b\u524d\u7684\u6587\u7ae0\u3010<a href=\"https:\/\/link.segmentfault.com\/?enc=KuC0jmL2dUKNxDO%2B2Fgbvw%3D%3D.8lYHcLPPNZwwQousJbkhLE4qmfawtnqR7Jfrsm5IU%2FbypX7qcG7k6feE8dzWq9IKrxh2aD7scKgPSSUlsKhQiNJdUH4WoarQNXDfUdCPey8%3D\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">STM32\u4e0b\u8f7d\u7a0b\u5e8f\u7684\u4e94\u79cd\u65b9\u6cd5<\/a>\u3011\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th align=\"center\">ST-Link V2<\/th>\n<th align=\"center\">STM32<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td align=\"center\">SWCLK<\/td>\n<td align=\"center\">SWCLK<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">SWDIO<\/td>\n<td align=\"center\">SWDIO<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">GND<\/td>\n<td align=\"center\">GND<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">3.3V<\/td>\n<td align=\"center\">3V3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u63a5\u597d\u5982\u4e0b\u56fe\u3002\u5f00\u53d1\u677f\u4f7f\u7528\u7684\u662f\u6211\u4eec\u81ea\u7ed8\u7684\u677f\u5b50\u3002\u5927\u5bb6\u4e5f\u53ef\u4ee5\u7528\u81ea\u5df1\u7684\u677f\u5b50\uff0c\u53ea\u8981\u662f STM32F103C8T6 \u4e3b\u63a7\u82af\u7247\u5c31\u884c\u3002<\/p>\n<p><img decoding=\"async\" width=\"723\" height=\"531\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVdfKlB\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>GY-302 \u540c\u6837\u662f\u7528 I2C \u901a\u4fe1\u534f\u8bae\u7684\uff0c\u9996\u5148\u6211\u4eec\u6253\u5f00\u5de5\u7a0b\uff0c\u65b0\u5efa\u4e00\u4e2a gy302.c \u548c gy302.h\u3002<\/p>\n<p>\u5148\u5199\u4e00\u4e2a\u5f15\u811a\u521d\u59cb\u5316\u7684\u4ee3\u7801\uff08\u672c\u6587\u4f7f\u7528 PB10 \u548c PB11\uff09\uff0c\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<pre><code class=\"c\">void gy302_IO_Init(void)\n{\n    GPIO_InitTypeDef GY302;\n\n    GY302_I2C_SCL_SDA_CLK();                        \/\/\u5f00\u542f\u65f6\u949f\n    GY302.Pin=GY302_I2C_SCL_PIN;                    \/\/\u914d\u7f6eSCL\u5f15\u811a\n    GY302.Mode=GPIO_MODE_OUTPUT_OD;                 \/\/\u5f00\u6f0f\u8f93\u51fa\n    GY302.Speed=GPIO_SPEED_FREQ_HIGH;               \/\/\u9ad8\u901f\n    HAL_GPIO_Init(GY302_I2C_SCL_SDA_GPIO, &amp;GY302);\n\n    GY302.Pin=GY302_I2C_SDA_PIN;                    \/\/\u914d\u7f6eSDA\u5f15\u811a\n    HAL_GPIO_Init(GY302_I2C_SCL_SDA_GPIO, &amp;GY302);\n}<\/code><\/pre>\n<p>\u63a5\u7740\u6211\u4eec\u9700\u8981\u5199\u4e00\u4e2a I2C \u7684\u6a21\u62df\u4fe1\u53f7\uff0c\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<pre><code class=\"c\">void GY302_Start(void)\n{\n    GY302_SDA_SET();                    \/\/\u62c9\u9ad8\u6570\u636e\u7ebf\n    GY302_SCL_SET();                    \/\/\u62c9\u9ad8\u65f6\u949f\u7ebf\n    delay_us(5);                 \n    GY302_SDA_RESET();                  \/\/\u4ea7\u751f\u4e0b\u964d\u6cbf\n    delay_us(5);                \n    GY302_SCL_RESET();                  \/\/\u62c9\u4f4e\u65f6\u949f\u7ebf\n}\n\nvoid GY302_Stop(void)\n{\n    GY302_SDA_RESET();                  \/\/\u62c9\u4f4e\u6570\u636e\u7ebf\n    GY302_SCL_SET();                    \/\/\u62c9\u9ad8\u65f6\u949f\u7ebf\n    delay_us(5);                 \n    GY302_SDA_SET();                    \/\/\u4ea7\u751f\u4e0a\u5347\u6cbf\n    delay_us(5);\n}  \n\nvoid GY302_SendACK(int ack)\n{\n    if(ack == 1)                \/\/\u5199\u5e94\u7b54\u4fe1\u53f7\n            GY302_SDA_SET();\n        else if(ack == 0)\n            GY302_SDA_RESET();\n        else\n            return;\n            \n    GY302_SCL_SET();\n    delay_us(5);\n    GY302_SCL_RESET();\n    delay_us(5);\n}\n\nuint32_t GY302_RecvACK(void)\n{\n    uint8_t mcy = 0;\n\n    GY302_SCL_SET();                                \/\/\u62c9\u9ad8\u65f6\u949f\u7ebf\n    delay_us(5);\n\n    if(HAL_GPIO_ReadPin( GY302_I2C_SCL_SDA_GPIO, GY302_I2C_SDA_PIN ) == 1 )   \/\/\u8bfb\u5e94\u7b54\u4fe1\u53f7\n        mcy = 1 ;\n    else\n        mcy = 0 ;\n\n    GY302_SCL_RESET();                              \/\/\u62c9\u4f4e\u65f6\u949f\u7ebf\n    delay_us(5);\n\n    return mcy;\n}<\/code><\/pre>\n<p>I2C \u901a\u4fe1\u51c6\u5907\u5b8c\u6210\u4e4b\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u5f00\u59cb\u5199\u6307\u4ee4\u64cd\u4f5c\u4e86\uff0c\u9996\u5148\u9700\u8981\u5b9a\u4e49\u4e00\u4e2a\u5199\u5165\u6570\u636e\u7684\u51fd\u6570\u3002\u6211\u4eec\u5bf9GY302\u53d1\u9001\u547d\u4ee4\u65f6\uff0c\u8981\u5148\u53d1\u9001\u5668\u4ef6\u5730\u5740+\u5199\u5165\u4f4d\uff0c\u7136\u540e\u53d1\u9001\u6307\u4ee4\uff0c\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<pre><code class=\"c\">void GY302_SendByte(uint8_t dat)\n{\n    uint8_t i;\n \n    for (i=0; i&lt;8; i++)                 \/\/8\u4f4d\u8ba1\u6570\u5668\n      {\n        if( 0X80 &amp; dat )\n          GY302_SDA_SET();\n        else\n          GY302_SDA_RESET();\n\n        dat &lt;&lt;= 1;\n        GY302_SCL_SET();               \/\/\u62c9\u9ad8\u65f6\u949f\u7ebf\n        delay_us(5);\n        GY302_SCL_RESET();             \/\/\u62c9\u4f4e\u65f6\u949f\u7ebf\n        delay_us(5);\n      }\n    GY302_RecvACK();\n}\n\nvoid GY302_Write_Cmd(uint8_t REG_Address)\/\/REG_Address\u662f\u8981\u5199\u5165\u7684\u6307\u4ee4\n{\n    GY302_Start();                  \/\/\u8d77\u59cb\u4fe1\u53f7\n    GY302_SendByte(SlaveAddress);   \/\/\u53d1\u9001\u5668\u4ef6\u5730\u5740+\u5199\u4fe1\u53f7\n    GY302_SendByte(REG_Address);    \/\/\u5199\u5165\u6307\u4ee4\uff0c\u5185\u90e8\u5bc4\u5b58\u5668\u5730\u5740\n    GY302_Stop();                   \/\/\u7ed3\u675f\u4fe1\u53f7\n}<\/code><\/pre>\n<p>\u8fd9\u6837\u6211\u4eec\u5c31\u53ef\u4ee5\u5c06\u6211\u4eec\u7684\u6307\u4ee4\u901a\u8fc7 I2C \u901a\u4fe1\u534f\u8bae\u5199\u5165\u5230 GY-302 \u5149\u611f\u6a21\u5757\u5f53\u4e2d\u4e86\uff0c\u63a5\u4e0b\u6765\u6211\u4eec\u9700\u8981\u8bfb\u53d6 GY-302 \u5149\u611f\u6a21\u5757\u91c7\u96c6\u7684\u6570\u636e\u3002\u8bfb\u53d6\u6570\u636e\u7684\u65f6\u5019\uff0c\u9700\u8981\u5148\u53d1\u9001\u5668\u4ef6\u5730\u5740+\u8bfb\u5165\u4f4d\uff0c\u7136\u540e\u8bfb\u53d6\u4e24\u5b57\u8282\u6570\u636e\uff0c\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<pre><code class=\"c\">uint8_t GY302_RecvByte(void)\n{\n    uint8_t i, bit, dat = 0;\n\n    GY302_SDA_SET();                        \/\/\u51c6\u5907\u8bfb\u53d6\u6570\u636e\n    for (i=0; i&lt;8; i++)                     \/\/8\u4f4d\u8ba1\u6570\u5668\n    {\n        dat &lt;&lt;= 1;\n        GY302_SCL_SET();                    \/\/\u62c9\u9ad8\u65f6\u949f\u7ebf\n        delay_us(5);\n\n       if( SET == HAL_GPIO_ReadPin( GY302_I2C_SCL_SDA_GPIO, GY302_I2C_SDA_PIN ) )\n            bit = 0x01;\n       else\n            bit = 0x00;\n            \n        dat |= bit;                         \/\/\u8bfb\u6570\u636e \n            \n        GY302_SCL_RESET();                  \/\/\u62c9\u4f4e\u65f6\u949f\u7ebf\n        delay_us(5);\n    }\n\n    return dat;\n}\n\nuint32_t GY30_Value(void)\n{\n    uint8_t i, BUF[3];\n    uint16_t dis_data, Value_GY_30 = 0;\n    GY302_Write_Cmd(0x01);               \/\/\u4e0a\u7535\n    GY302_Write_Cmd(0x10);               \/\/\u8bbe\u7f6e\u4e3a\u8fde\u7eed H \u5206\u8fa8\u7387\u6a21\u5f0f\n    delay_ms(100);                          \/\/\u5ef6\u65f6,\u5f88\u91cd\u8981,\u4e3a\u8bfb\u53d6\u6570\u636e\u505a\u51c6\u5907\n\n    GY302_Start();                          \/\/\u8d77\u59cb\u4fe1\u53f7\n    GY302_SendByte(SlaveAddress+1);         \/\/\u53d1\u9001\u8bbe\u5907\u5730\u5740+\u8bfb\u4fe1\u53f7\n\n     for (i=0; i&lt;3; i++)                    \/\/\u8fde\u7eed\u8bfb\u53d66\u4e2a\u5730\u5740\u6570\u636e\u5230BUF\n    {\n        BUF[i] = GY302_RecvByte();\n        if (i == 3)\n        {\n            GY302_SendACK(1);               \/\/\u6700\u540e\u4e00\u4e2a\u6570\u636e\u9700\u8981\u56deNOACK\n        }\n        else\n        {\n            GY302_SendACK(0);               \/\/\u56de\u5e94ACK\n        }\n    }\n \n    GY302_Stop();                           \/\/\u505c\u6b62\u4fe1\u53f7\n    delay_us(5);\n    dis_data = BUF[0];\n    dis_data = ( dis_data&lt;&lt;8 ) + BUF[1];    \/\/\u5b57\u8282\u5408\u6210\u6570\u636e\n    Value_GY_30 = (float)dis_data;\n    return Value_GY_30;\n}<\/code><\/pre>\n<p>\u5b8c\u6210\u6570\u636e\u7684\u8bfb\u53d6\uff0c\u5269\u4e0b\u7684\u5c31\u662f\u521d\u59cb\u5316 GY-302 \u5149\u611f\u6a21\u5757\u4e86\uff0c\u6839\u636e\u4e0a\u6587\u7684\u6307\u4ee4\u96c6\u6211\u4eec\u53ef\u4ee5\u5f97\u51fa\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<pre><code class=\"c\">void GY302_Init(void)\n{\n    gy302_IO_Init();\n\n    GY302_Start();                       \/\/\u8d77\u59cb\u4fe1\u53f7\n    GY302_SendByte(SlaveAddress);        \/\/\u53d1\u9001\u8bbe\u5907\u5730\u5740+\u5199\u4fe1\u53f7\n    GY302_SendByte(0x01);                \/\/\u4e0a\u7535\n    GY302_Stop();                        \/\/\u505c\u6b62\u4fe1\u53f7\n}<\/code><\/pre>\n<p>gy302.h \u7684\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<pre><code class=\"c\">#ifndef __GY302_H\n#define __GY302_H\n\n#include &quot;stm32f1xx_hal.h&quot;\n\n#define GY302_I2C_SCL_SDA_CLK()     __HAL_RCC_GPIOB_CLK_ENABLE()\n#define GY302_I2C_SCL_SDA_GPIO      GPIOB\n#define GY302_I2C_SCL_PIN           GPIO_PIN_10\n#define GY302_I2C_SDA_PIN           GPIO_PIN_11\n\n#define GY302_SCL_RESET()       HAL_GPIO_WritePin(GY302_I2C_SCL_SDA_GPIO,GY302_I2C_SCL_PIN,GPIO_PIN_RESET)  \/\/SCL\n#define GY302_SCL_SET()         HAL_GPIO_WritePin(GY302_I2C_SCL_SDA_GPIO,GY302_I2C_SCL_PIN,GPIO_PIN_SET)\n\n#define GY302_SDA_RESET()       HAL_GPIO_WritePin(GY302_I2C_SCL_SDA_GPIO,GY302_I2C_SDA_PIN,GPIO_PIN_RESET)  \/\/SDA\n#define GY302_SDA_SET()         HAL_GPIO_WritePin(GY302_I2C_SCL_SDA_GPIO,GY302_I2C_SDA_PIN,GPIO_PIN_SET)\n\n#define SlaveAddress       0x46  \/\/ADDR\u63a5GND\u65f6\u7684\u5668\u4ef6\u5730\u5740\n\nvoid GY302_Start(void);\nvoid GY302_Stop(void);\nvoid GY302_Init(void);\nvoid GY302_SendACK(int ack);\nuint32_t GY302_RecvACK(void);\nvoid GY302_SendByte(uint8_t dat);\nvoid GY302_Write_Cmd(uint8_t REG_Address);\nuint8_t GY302_RecvByte(void);\nuint32_t GY30_Value(void);\n\n\n#endif\n<\/code><\/pre>\n<p>main.c \u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<pre><code class=\"c\">#include &quot;sys.h&quot;\n#include &quot;delay.h&quot;\n#include &quot;oled.h&quot;\n#include &quot;gy302.h&quot;\n\n\nint main(void)\n{\n    uint16_t Light = 0;\n    uint8_t a,b,c,d,e;\n\n    HAL_Init();                         \/* \u521d\u59cb\u5316HAL\u5e93 *\/\n    stm32_clock_init(RCC_PLL_MUL9);     \/* \u8bbe\u7f6e\u65f6\u949f, 72Mhz *\/\n    OLED_Init();                        \/* oled\u521d\u59cb\u5316 *\/\n    GY302_Init();                       \/* GY-302\u521d\u59cb\u5316 *\/\n\n    OLED_Fill(0x00);                    \/* \u6e05\u5c4f *\/\n\n    while(1)\n    {\n        Light = GY30_Value();                  \/\/\u83b7\u53d6\u5149\u7167\u5f3a\u5ea6\n        a = Light \/ 10000;\n        b = (Light % 10000) \/ 1000;\n        c = (Light % 1000) \/ 100;\n        d = (Light % 100) \/ 10;\n        e = Light % 10;\n\n        OLED_Show_ChineseFont(0,0,0,16);\n        OLED_Show_ChineseFont(16,0,1,16);\n        OLED_Show_ChineseFont(32,0,2,16);\n        OLED_Show_ChineseFont(48,0,3,16);\n        OLED_ShowStr(64,0,&quot;:&quot;,16);\n        OLED_Show_Char(0,2,a + '0',16);\n        OLED_Show_Char(12,2,b + '0',16);\n        OLED_Show_Char(24,2,c + '0',16);\n        OLED_Show_Char(36,2,d + '0',16);\n        OLED_Show_Char(48,2,e + '0',16);\n        OLED_Show_Char(67,2,'l',16);\n        OLED_Show_Char(75,2,'x',16);\n\n        delay_ms(500);\n    }\n}<\/code><\/pre>\n<p>\u6700\u7ec8\u6548\u679c\u5982\u4e0b\uff0c\u8fd9\u662f\u6b63\u5e38\u72b6\u6001\uff1a<\/p>\n<p><img decoding=\"async\" width=\"723\" height=\"534\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVdfKlC\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u6253\u5149\u72b6\u6001\u4e0b\u5149\u7167\u5f3a\u5ea6\u589e\u52a0\uff1a<\/p>\n<p><img decoding=\"async\" width=\"723\" height=\"568\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVdfKlD\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u5230\u8fd9\u91cc\u6211\u4eec\u5c31\u5b8c\u6210\u4e86 GY-302 \u5149\u611f\u6a21\u5757\u7684\u4f7f\u7528\u4e86\uff0c\u611f\u8c22\u5404\u4f4d\u770b\u5b98\u7684\u966a\u4f34\uff01<\/p>\n<h2>6. \u5c0f\u7ed3<\/h2>\n<h2>\u4eca\u5929\u6211\u4eec\u5b66\u4e60\u4e86 GY-302 \u5149\u611f\u6a21\u5757\uff0c\u4e0d\u4ec5\u4e3a\u6211\u4eec\u7684\u6280\u672f\u9526\u4e0a\u6dfb\u82b1\uff0c\u8fd8\u590d\u4e60\u4e86\u6709\u5173\u4e8e I2C \u901a\u4fe1\u7684\u77e5\u8bc6\uff0c\u771f\u662f\u4e00\u77f3\u4e8c\u9e1f\uff01\u5e0c\u671b\u672c\u6587\u7ae0\u80fd\u591f\u4e3a\u5404\u4f4d\u770b\u5b98\u67af\u71e5\u7684\u9879\u76ee\u5b66\u4e60\u4e2d\u5e26\u6765\u51e0\u5206\u5174\u8da3\uff0c\u611f\u8c22\u5404\u4f4d\u770b\u5b98\uff0cpeace and love\uff01<\/h2>\n<p><strong>\u53e6\u5916\uff0c\u60f3\u8fdb\u5927\u5382\u7684\u540c\u5b66\uff0c\u4e00\u5b9a\u8981\u597d\u597d\u5b66\u7b97\u6cd5\uff0c\u8fd9\u662f\u9762\u8bd5\u5fc5\u5907\u7684\u3002\u8fd9\u91cc\u51c6\u5907\u4e86\u4e00\u4efd BAT \u5927\u4f6c\u603b\u7ed3\u7684 LeetCode \u5237\u9898\u5b9d\u5178\uff0c\u5f88\u591a\u4eba\u9760\u5b83\u4eec\u8fdb\u4e86\u5927\u5382\u3002<\/strong><\/p>\n<p><img decoding=\"async\" width=\"286\" height=\"83\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVdaCCY\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p><a href=\"https:\/\/link.segmentfault.com\/?enc=yUlHEXk%2BZiL5l22ONWPzPw%3D%3D.9z0XLpU0a1RaVHSqMV6su2cXcEgdKkG6gMr%2BtWV8UA1%2BlQUAvuVoxwjc5X6Terbq\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">\u5237\u9898 | LeetCode\u7b97\u6cd5\u5237\u9898\u795e\u5668\uff0c\u770b\u5b8c BAT \u968f\u4f60\u6311\uff01<\/a><\/p>\n<h3>\u6709\u6536\u83b7\uff1f\u5e0c\u671b\u8001\u94c1\u4eec\u6765\u4e2a\u4e09\u8fde\u51fb\uff0c\u7ed9\u66f4\u591a\u7684\u4eba\u770b\u5230\u8fd9\u7bc7\u6587\u7ae0<\/h3>\n<p><strong>\u63a8\u8350\u9605\u8bfb\uff1a<\/strong><\/p>\n<ul>\n<li><a href=\"https:\/\/link.segmentfault.com\/?enc=uELmybnN3Wt33ZpSt4UEDg%3D%3D.tAZANVZw%2BtsTYmOKAF7Glao9f9uaAdKw%2B9T5e3Tr64FrZravSrxtVtxLdUrcTYBj\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">\u7a0b\u5e8f\u5458\u5fc5\u5907\u7f16\u7a0b\u8d44\u6599\u5927\u5168<\/a><\/li>\n<li><a href=\"https:\/\/link.segmentfault.com\/?enc=5UQZqs7j4wup%2Fd3qxx3j%2Bg%3D%3D.37EmUe9wmbMYBoy%2F5NYEyct4%2FE2gTrpnjqE5%2BHGSjoS3fFZJqHygtkyhuX7QOqbo\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">\u7a0b\u5e8f\u5458\u5fc5\u5907\u8f6f\u4ef6\u8d44\u6e90<\/a><\/li>\n<\/ul>\n<p>\u6b22\u8fce\u5173\u6ce8\u6211\u7684\u535a\u5ba2\uff1a<a href=\"https:\/\/link.segmentfault.com\/?enc=p2p7TjuNDQXTk48qfUAYig%3D%3D.Jz9zjTqdrjYjXP2I5yzp4Na8qDrFta35kPbVwY%2FADpE%3D\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">\u826f\u8bb8\u5d4c\u5165\u5f0f\u6559\u7a0b\u7f51<\/a>\uff0c\u6ee1\u6ee1\u90fd\u662f\u5e72\u8d27\uff01<\/p>\n<p><a href=\"https:\/\/segmentfault.com\/a\/1190000045659744\">https:\/\/segmentfault.com\/a\/1190000045659744<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u519c\u4e1a\u7269\u8054\u7f51\u4e2d\uff0c\u6709\u8fd9\u4e48\u4e00\u4e2a\u5c0f\u6a21\u5757\uff0c\u5374\u53d1\u6325\u7740\u5de8\u5927\u7684\u4f5c\u7528\uff0c\u5b83\u5c31\u662f\u5149\u611f\u6a21\u5757\u3002\u4e0d\u8981\u770b\u5b83\u53ea\u662f\u5c0f\u5c0f\u7684\u4e00\u5757\uff0c\u5b83\u80cc\u8d1f\u7740\u68c0\u6d4b\u5149\u7167 [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-10020511","post","type-post","status-publish","format-standard","hentry","category-share"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10020511","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10020511"}],"version-history":[{"count":0,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10020511\/revisions"}],"wp:attachment":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10020511"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10020511"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10020511"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}