{"id":10020543,"date":"2024-12-23T21:22:30","date_gmt":"2024-12-23T13:22:30","guid":{"rendered":"https:\/\/itmax.cn\/?p=10020543"},"modified":"2024-12-23T21:22:30","modified_gmt":"2024-12-23T13:22:30","slug":"0-96%e5%af%b8oled%e6%98%be%e7%a4%ba%e5%b1%8f%e8%af%a6%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/itmax.cn\/?p=10020543","title":{"rendered":"0.96\u5bf8OLED\u663e\u793a\u5c4f\u8be6\u89e3"},"content":{"rendered":"<p>\u6211\u4eec\u4e4b\u524d\u8bb2\u4e86 LCD1602\uff0c\u4eca\u5929\u6211\u4eec\u5c06\u5b83\u7684\u8fdb\u9636\u6a21\u5757\u2014\u2014OLED\u3002\u5b83\u63a5\u7ebf\u66f4\u5c11\uff0c\u6027\u80fd\u66f4\u5f3a\uff0c\u4e5f\u80fd\u663e\u793a\u4e2d\u6587\u548c\u56fe\u50cf\u4e86\u3002<\/p>\n<p>\u5927\u5bb6\u5728\u5b66\u4e60\u5355\u7247\u673a\u7684\u65f6\u5019\u662f\u5426\u4f1a\u9047\u5230\u8c03\u8bd5\u7684\u95ee\u9898\u5462\uff1f\u4f8b\u5982 \u201c\u8fd9\u4e32\u4ee3\u7801\u6211\u5230\u5e95\u8fd0\u884c\u6210\u529f\u4e86\u6ca1\u6709\u201d \uff0c\u6211\u76f8\u4fe1\u5f88\u591a\u521a\u5f00\u59cb\u5b66\u4e60\u5355\u7247\u673a\u7684\u5c0f\u767d\u4e00\u822c\u90fd\u9047\u5230\u8fc7\u8fd9\u6837\u7684\u95ee\u9898\u3002\u4f46\u662f\u5355\u7247\u673a\u4e0d\u50cf\u7535\u8111\uff0c\u662f\u6ca1\u6709\u5c4f\u5e55\u4e5f\u6ca1\u6709\u8f93\u51fa\u7ed3\u679c\u7a97\u53e3\u7684\u3002\u90a3\u4e48\u6211\u4eec\u8be5\u5982\u4f55\u5f97\u77e5\u8c03\u8bd5\u7684\u7ed3\u679c\u5462\uff1f\u6709\u4e00\u4e2a\u65b9\u6cd5\u662f\u901a\u8fc7\u4e32\u53e3\u6253\u5370\u5728\u8fd0\u884c\u6210\u529f\u4ee3\u7801\u4f1a\u5411\u4e32\u53e3\u53d1\u9001\u7279\u5b9a\u7684\u5b57\u7b26\u5230\u7535\u8111\u4e0a\uff0c\u4f46\u662f\u8fd9\u4e2a\u65b9\u6cd5\u7684\u5f0a\u7aef\u662f\u5982\u679c\u5355\u7247\u673a\u88ab\u653e\u7f6e\u5230\u4e00\u4e2a\u5b9e\u9645\u7684\u9879\u76ee\u5f53\u4e2d\uff0c\u5c31\u65e0\u6cd5\u901a\u8fc7\u4e32\u53e3\u6765\u5f97\u77e5\u7ed3\u679c\u4e86\u3002\u8fd8\u6709\u4e00\u4e2a\u65b9\u6cd5\u5c31\u662f\u5c06\u7ed3\u679c\u6253\u5370\u5230\u5c4f\u5e55\u4e0a\uff0c\u5f53\u7136\u6211\u4eec\u7684\u5355\u7247\u673a\u662f\u6ca1\u6709\u5c4f\u5e55\u7684\uff0c\u6240\u4ee5\u6211\u4eec\u9700\u8981\u4e3a\u5355\u7247\u673a\u589e\u6dfb\u4e00\u4e2a\u5916\u7f6e\u7684\u5c4f\u5e55\u6a21\u5757\u3002\u6211\u4eec\u4eca\u5929\u5c31\u6765\u5b66\u4e60\u4e00\u4e0b\u5982\u4f55\u4f7f\u7528 OLED \u5c4f\u5e55\u6a21\u5757\u3002<\/p>\n<p>OLED\uff08Organic Light-Emitting Diode\uff09\u5177\u6709\u9ad8\u4eae\u5ea6\u3001\u9ad8\u5bf9\u6bd4\u5ea6\u548c\u5feb\u901f\u54cd\u5e94\u7684\u7279\u70b9\uff0c\u80fd\u591f\u63d0\u4f9b\u751f\u52a8\u903c\u771f\u7684\u56fe\u50cf\u548c\u6587\u5b57\u663e\u793a\u6548\u679c\u3002\u7531\u4e8e\u4e0d\u9700\u8981\u80cc\u5149\u6e90\uff0cOLED \u5c4f\u66f4\u8584\u3001\u66f4\u8f7b\u3001\u66f4\u7701\u7535\u3002\u5b83\u5728\u667a\u80fd\u624b\u673a\u3001\u53ef\u7a7f\u6234\u8bbe\u5907\u3001\u6c7d\u8f66\u4eea\u8868\u76d8\u7b49\u9886\u57df\u5f97\u5230\u5e7f\u6cdb\u5e94\u7528\u3002\u672c\u6587\u5c06\u901a\u8fc7\u4ecb\u7ecd OLED \u7684\u5de5\u4f5c\u539f\u7406\u3001\u7279\u6027\u548c\u5e94\u7528\u6848\u4f8b\uff0c\u5e26\u5927\u5bb6\u6df1\u5165\u4e86\u89e3 OLED\u3002<\/p>\n<h2>1. \u6e90\u7801\u4e0b\u8f7d\u53ca\u524d\u7f6e\u9605\u8bfb<\/h2>\n<p>\u672c\u6587\u9996\u53d1 <strong>\u826f\u8bb8\u5d4c\u5165\u5f0f\u7f51<\/strong> \uff1a<a href=\"https:\/\/link.segmentfault.com\/?enc=eTmIxknmC6reTFt4SxGHow%3D%3D.Ox%2BWLiNodCVab5xaAwUxcxZGVAZpHfswtgJ8yiqCoA0%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=wRdGsfqzbyQLki%2Fxk736Rg%3D%3D.ZknQIH6b40IMWTV5t7YBupp1LLivvhDpyW2MgWMCRFlaxpDdmanyleN1HfI9i1lhtQf3ZXgpeualpXpFNZY07Q%3D%3D\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">https:\/\/www.lxlinux.net\/e\/stm32\/oled-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>\u5d4c\u5165\u5f0f\u57fa\u672c\u529f\uff0c\u4e3a\u540e\u7eed\u5b66\u4e60\u6253\u4e0b\u575a\u5b9e\u7684\u57fa\u7840\uff1a<a href=\"https:\/\/link.segmentfault.com\/?enc=qtvUwFqv9vLa7GMVRvQRzw%3D%3D.01fyhiUJrP7JdoUarmUsbUgLcUrDl%2BPbfcqGkPMlZXihPpUdB87Er2KZmuXibFaSzKniGO%2BTlfBE2ZZVFExuBG4ZpEqvvyOPGeTjP3%2BbnVC%2BLxS2d857rY%2FhTYfzG05t\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">STM32\u4e32\u53e3\u63a5\u6536\u4e0d\u5b9a\u957f\u6570\u636e\uff08\u63a5\u6536\u4e2d\u65ad+\u8d85\u65f6\u5224\u65ad\uff09<\/a><\/li>\n<li>\u624b\u628a\u624b\u6559\u4f60\u5b89\u88c5\u548c\u4f7f\u7528STM32CubeMX\uff1a<a href=\"https:\/\/link.segmentfault.com\/?enc=yIwig8ts0SKdAuyR6lQ%2BMA%3D%3D.D8eRgjDCJJAuxPJpMunrWVXVJGTA6Hr0uUSURBXFO49oSfqj2Prpi5psfVzoXG%2BM2AOhM2rE8wmP5CvZ3IC0OQ%3D%3D\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">\u4e00\u6587\u6559\u4f60\u4f7f\u7528STM32CubeMX\u5f00\u53d1\u5de5\u5177<\/a><\/li>\n<li>\u624b\u628a\u624b\u8ba9\u4f60\u638c\u63e1MDK\u7684\u4f7f\u7528\u65b9\u5f0f\u548c\u6280\u5de7\uff0c\u52a9\u4f60\u66f4\u9ad8\u6548\u5730\u8fdb\u884c\u5f00\u53d1\uff1a<a href=\"https:\/\/link.segmentfault.com\/?enc=BH7ylEU2j15U9maFWSBTsg%3D%3D.A%2B%2BybZwOzxH41me%2FW%2Bkz93mm1ZyN2adxoeVc96myXgNO2dm%2B6SdFR3cyWZTZ%2FxLGygIkKfO13mlu%2FmQRZ1cc9O%2BXO6TWmVUdJCj4lrmHJq8%3D\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">\u4e00\u6587\u6559\u4f60\u4f7f\u7528MDK\u5f00\u53d1\u5de5\u5177<\/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>\u5982\u679c\u60f3\u77e5\u9053\u81ea\u5df1\u5bf9\u5d4c\u5165\u5f0f\u77e5\u8bc6\u638c\u63e1\u7a0b\u5ea6\uff1a<a href=\"https:\/\/link.segmentfault.com\/?enc=HZIxi3AVizUlxXldLg6kBA%3D%3D.uiQfPd1ND5USOamaQpRdSTpXDHVuBX2VTty9jAFfgvd1R4oV36s9OdaZgbZ2G2kedlCB5wYt7nsGEhHfeYMgyA%3D%3D\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">\u5d4c\u5165\u5f0f\u81ea\u6d4b\u9898<\/a><\/li>\n<li>\u84dd\u7259\u6a21\u5757\u8be6\u89e3\uff0c\u8f7b\u677e\u638c\u63e1\u4e00\u79cd\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\uff1a<a href=\"https:\/\/link.segmentfault.com\/?enc=jvTkeBrgHbvGWh%2Fv%2F45bzA%3D%3D.FVltVEKjvAZKvqkylAxgZcY5AByxiimBu3zgb0rAWJCy9S8e5ioUkQoVujkNgRw2Bd5hg2pUqS5LGWO2JYg2Lg%3D%3D\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">\u624b\u628a\u624b\u6559\u4f60\u73a9\u8f6c\u84dd\u7259\u6a21\u5757\uff08\u539f\u7406+\u9a71\u52a8\uff09<\/a><\/li>\n<li>\u8ba9\u4f60\u8f7b\u677e\u638c\u63e1\u6e29\u6e7f\u5ea6\u4f20\u611f\u5668\uff1a<a href=\"https:\/\/link.segmentfault.com\/?enc=T%2BJC8QPrkvuqvseHfnvLZg%3D%3D.IlCQ%2BXdIdAUWkvl9FAWa544wV5eCBmxPEsa3DjMMZ9FG7Lu2KjZ%2BBZ1%2FIHBBFO%2B238DdLlIWBoVuqCsF7U9TEA%3D%3D\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">\u624b\u628a\u624b\u6559\u4f60\u73a9\u8f6cDHT11\uff08\u539f\u7406+\u9a71\u52a8\uff09<\/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=pd3XdBoWvjltYkppaf3zsA%3D%3D.U1hDlByC6cswyyatAxfKmPT%2B4uH3kFwLJjjreAiMCx2cEXzh16FtqkYnQypztpnw\" 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. IIC\u901a\u4fe1<\/h2>\n<p>OLED \u5c4f\u5e55\u6a21\u5757\u662f\u901a\u8fc7 IIC \u8fdb\u884c\u901a\u4fe1\u7684\uff0c\u4ec0\u4e48\u662f IIC \u901a\u4fe1\u5462\uff1f<\/p>\n<h3>2.1 IIC\u901a\u4fe1\u4ecb\u7ecd<\/h3>\n<p>IIC \u901a\u4fe1\u901a\u5e38\u4e5f\u53eb I2C\uff0cI2C\uff08 Inter-Integrated Circuit \uff09\uff0c\u4e2d\u6587\u5e94\u8be5\u53eb\u96c6\u6210\u7535\u8def\u603b\u7ebf\uff0c\u5b83\u662f\u4e00\u79cd\u4e32\u884c\u901a\u4fe1\u603b\u7ebf\uff0c\u4f7f\u7528\u591a\u4e3b\u4ece\u67b6\u6784\uff0c\u662f\u7531\u98de\u5229\u6d66\uff08 Philips \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\u3002I2C \u603b\u7ebf\u786c\u4ef6\u7ed3\u6784\u7b80\u5355\uff0c\u7b80\u5316\u4e86 PCB \u5e03\u7ebf\uff0c\u964d\u4f4e\u4e86\u7cfb\u7edf\u6210\u672c\uff0c\u63d0\u9ad8\u4e86\u7cfb\u7edf\u53ef\u9760\u6027\uff0c\u7531\u4e8e\u5b83\u7684\u7b80\u5355\u6027\uff0c\u5b83\u88ab\u5e7f\u6cdb\u7528\u4e8e\u5fae\u63a7\u5236\u5668\u4e0e\u4f20\u611f\u5668\u9635\u5217\uff0c\u663e\u793a\u5668\uff0cIoT \u8bbe\u5907\uff0cEEPROM \u7b49\u4e4b\u95f4\u7684\u901a\u4fe1\u3002<\/p>\n<p>I2C \u901a\u4fe1\u534f\u8bae\u7684\u7279\u70b9\uff1a<\/p>\n<ul>\n<li>\u540c\u6b65\u3001\u534a\u53cc\u5de5\uff1b<\/li>\n<li>\u53ea\u9700\u8981\u4e24\u6761\u603b\u7ebf\uff1b<\/li>\n<li>\u6240\u6709\u7ec4\u4ef6\u4e4b\u95f4\u90fd\u5b58\u5728\u7b80\u5355\u7684\u4e3b\/\u4ece\u5173\u7cfb\uff0c\u8fde\u63a5\u5230\u603b\u7ebf\u7684\u6bcf\u4e2a\u8bbe\u5907\u5747\u53ef\u901a\u8fc7\u552f\u4e00\u5730\u5740\u8fdb\u884c\u8f6f\u4ef6\u5bfb\u5740\uff1b<\/li>\n<li>I2C \u662f\u771f\u6b63\u7684\u591a\u4e3b\u8bbe\u5907\u603b\u7ebf\uff0c\u53ef\u63d0\u4f9b\u4ef2\u88c1\u548c\u51b2\u7a81\u68c0\u6d4b\uff1b<\/li>\n<li>\u6ca1\u6709\u4e25\u683c\u7684\u6ce2\u7279\u7387\u8981\u6c42\uff0c\u4f8b\u5982\u4f7f\u7528 RS232 \uff0c\u4e3b\u8bbe\u5907\u751f\u6210\u603b\u7ebf\u65f6\u949f\uff1b<\/li>\n<\/ul>\n<p>I2C \u603b\u7ebf\u662f\u4e00\u79cd\u591a\u4e3b\u673a\u603b\u7ebf\uff0c\u8fde\u63a5\u5728 I2C \u603b\u7ebf\u4e0a\u7684\u5668\u4ef6\u5206\u4e3a\u4e3b\u673a\u548c\u4ece\u673a\u3002\u4e3b\u673a\u6bcf\u4e00\u6b21\u53d1\u8d77\u548c\u7ed3\u675f\u4e00\u6b21\u901a\u4fe1\uff0c\u4ece\u673a\u53ea\u80fd\u88ab\u52a8\u547c\u53eb\uff1b\u5f53\u603b\u7ebf\u4e0a\u6709\u591a\u4e2a\u4e3b\u673a\u540c\u65f6\u542f\u7528\u603b\u7ebf\u65f6\uff0cI2C \u4e5f\u5177\u5907\u51b2\u7a81\u68c0\u6d4b\u548c\u4ef2\u88c1\u7684\u529f\u80fd\u6765\u9632\u6b62\u9519\u8bef\u4ea7\u751f\u3002\u603b\u7ebf\u5177\u6709\u6781\u4f4e\u7684\u7535\u6d41\u6d88\u8017\uff0c\u6297\u566a\u58f0\u5e72\u6270\u80fd\u529b\u5f3a\uff0c\u589e\u52a0\u603b\u7ebf\u9a71\u52a8\u5668\u53ef\u4ee5\u4f7f\u603b\u7ebf\u7535\u5bb9\u6269\u592710\u500d\uff0c\u4f20\u8f93\u8ddd\u79bb\u8fbe\u5230 15m \uff1b\u517c\u5bb9\u4e0d\u540c\u7535\u538b\u7b49\u7ea7\u7684\u5668\u4ef6\uff0c\u5de5\u4f5c\u6e29\u5ea6\u8303\u56f4\u5bbd\u3002<\/p>\n<p>I2C \u603b\u7ebf\u53ef\u4ee5\u901a\u8fc7\u5916\u90e8\u8fde\u7ebf\u8fdb\u884c\u5728\u7ebf\u68c0\u6d4b\uff0c\u4fbf\u4e8e\u7cfb\u7edf\u6545\u969c\u8bca\u65ad\u548c\u8c03\u8bd5\uff0c\u6545\u969c\u53ef\u4ee5\u7acb\u5373\u88ab\u5bfb\u5740\uff0c\u8f6f\u4ef6\u4e5f\u6709\u5229\u4e8e\u6807\u51c6\u5316\u548c\u6a21\u5757\u5316\uff0c\u7f29\u77ed\u5f00\u53d1\u65f6\u95f4\u3002<\/p>\n<p>\u6bcf\u4e2a\u8fde\u63a5\u5230 I2C \u603b\u7ebf\u4e0a\u7684\u5668\u4ef6\u90fd\u6709\u4e00\u4e2a\u552f\u4e00\u7684\u5730\u5740\uff087bit\uff09\uff0c\u4e14\u6bcf\u4e2a\u5668\u4ef6\u90fd\u53ef\u4ee5\u4f5c\u4e3a\u4e3b\u673a\u4e5f\u53ef\u4ee5\u4f5c\u4e3a\u4ece\u673a\uff08\u4f46\u662f\u540c\u4e00\u65f6\u95f4\u4e3b\u673a\u53ea\u80fd\u6709\u4e00\u4e2a\uff09\uff0c\u603b\u7ebf\u4e0a\u7684\u5668\u4ef6\u589e\u52a0\u548c\u5220\u9664\u4e0d\u5f71\u54cd\u5176\u4ed6\u5668\u4ef6\u6b63\u5e38\u5de5\u4f5c\u3002I2C \u603b\u7ebf\u5728\u901a\u4fe1\u65f6\u603b\u7ebf\u4e0a\u53d1\u9001\u6570\u636e\u7684\u5668\u4ef6\u4e3a\u53d1\u9001\u5668\uff0c\u63a5\u6536\u6570\u636e\u7684\u5668\u4ef6\u4e3a\u63a5\u6536\u5668\u3002<\/p>\n<p>I2C \u603b\u7ebf\u4e0a\u53ef\u6302\u63a5\u7684\u8bbe\u5907\u6570\u91cf\u53d7\u603b\u7ebf\u7684\u6700\u5927\u7535\u5bb9 400pF \u9650\u5236\u3002\u4e32\u884c\u76848\u4f4d\u53cc\u5411\u6570\u636e\u4f20\u8f93\u901f\u7387\u5728\u6807\u51c6\u6a21\u5f0f\u4e0b\u53ef\u8fbe 100Kbit\/s \uff0c\u5feb\u901f\u6a21\u5f0f\u4e0b\u53ef\u8fbe 400Kbit\/s \uff0c\u9ad8\u901f\u6a21\u5f0f\u4e0b\u53ef\u8fbe 3.4Mbit\/s \u3002<\/p>\n<h3>2.2 IIC\u901a\u4fe1\u534f\u8bae<\/h3>\n<ul>\n<li>\n<p><strong>\u90a3\u4e48 I2C \u662f\u5982\u4f55\u5b9e\u73b0\u901a\u4fe1\u7684\u5462\uff1f<\/strong><\/p>\n<ol>\n<li>\u4e3b\u673a\u53d1\u9001\u8d77\u59cb\u4fe1\u53f7\u7136\u540e\u542f\u7528\u603b\u7ebf\uff1b<\/li>\n<li>\u4e3b\u673a\u53d1\u9001\u4e00\u4e2a\u5b57\u8282\u6570\u636e\u6307\u660e\u4ece\u673a\u5730\u5740\u548c\u540e\u7eed\u5b57\u8282\u7684\u4f20\u9001\u65b9\u5411\uff1b<\/li>\n<li>\u88ab\u5bfb\u5740\u7684\u4ece\u673a\u53d1\u9001\u5e94\u7b54\u4fe1\u53f7\u53bb\u56de\u5e94\u4e3b\u673a\uff1b<\/li>\n<li>\u53d1\u9001\u5668\u53d1\u9001\u4e00\u4e2a\u5b57\u8282\u6570\u636e\uff1b<\/li>\n<li>\u63a5\u6536\u5668\u53d1\u9001\u5e94\u7b54\u4fe1\u53f7\u56de\u5e94\u53d1\u9001\u5668\uff1b<\/li>\n<li>\u63a5\u4e0b\u6765\u4f1a\u4e00\u76f4\u91cd\u590d 4 \u548c 5 \u7684\u6b65\u9aa4\u76f4\u5230\u901a\u4fe1\u5b8c\u6210\u540e\u4e3b\u673a\u53d1\u9001\u505c\u6b62\u4fe1\u53f7\u5e76\u91ca\u653e\u603b\u7ebf\u3002<\/li>\n<\/ol>\n<\/li>\n<li>\n<p><strong>\u8d77\u59cb\u4fe1\u53f7\u4e0e\u505c\u6b62\u4fe1\u53f7<\/strong><\/p>\n<p>\u5f53 SCL \u4e3a\u9ad8\u7535\u5e73\u65f6\uff0cSDA \u4ea7\u751f\u4e0b\u964d\u6cbf\uff0c\u5c31\u662f\u7535\u5e73\u7531\u9ad8\u53d8\u4f4e\u8868\u793a\u8d77\u59cb\u4fe1\u53f7\uff1b<\/p>\n<p>\u5f53 SCL \u4e3a\u9ad8\u7535\u5e73\u65f6\uff0cSDA \u4ea7\u751f\u4e0a\u5347\u6cbf\uff0c\u5c31\u662f\u7535\u5e73\u7531\u4f4e\u53d8\u9ad8\u8868\u793a\u505c\u6b62\u4fe1\u53f7\uff1b<\/p>\n<p>\u5f53 SCL \u4e0e SDA \u540c\u65f6\u4e3a\u9ad8\u7535\u5e73\u65f6\uff0c\u8868\u793a\u5f53\u524d\u4e3a\u7a7a\u95f2\u72b6\u6001\u3002<\/p>\n<p>\u8d77\u59cb\u4fe1\u53f7\u548c\u505c\u6b62\u4fe1\u53f7\u90fd\u662f\u7531\u4e3b\u673a\u53d1\u51fa\uff0c\u8d77\u59cb\u4fe1\u53f7\u4ea7\u751f\u540e\u603b\u7ebf\u5904\u4e8e\u5360\u7528\u72b6\u6001\uff0c\u505c\u6b62\u4fe1\u53f7\u4ea7\u751f\u540e\u603b\u7ebf\u88ab\u91ca\u653e\uff0c\u5904\u4e8e\u7a7a\u95f2\u72b6\u6001\u3002<\/p>\n<p><img decoding=\"async\" width=\"723\" height=\"228\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVdfNte\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<\/li>\n<li>\n<p><strong>\u5e94\u7b54\u4fe1\u53f7\u4e0e\u975e\u5e94\u7b54\u4fe1\u53f7<\/strong><\/p>\n<p>I2C \u603b\u7ebf\u4e0a\u7684\u6240\u6709\u6570\u636e\u90fd\u662f\u4ee5 8bit \u5b57\u8282\u4f20\u8f93\u7684\uff0c\u53d1\u9001\u5668\u6bcf\u53d1\u9001\u4e00\u4e2a\u5b57\u8282\uff0c\u5c31\u5728\u7b2c 9 \u4e2a\u65f6\u949f\u5f00\u59cb\u65f6\u91ca\u653e\u6570\u636e\u7ebf\uff0c\u7531\u63a5\u6536\u5668\u53cd\u9988\u4e00\u4e2a\u5e94\u7b54\u4fe1\u53f7\u3002\u5e94\u7b54\u4fe1\u53f7\u4e3a\u4f4e\u7535\u5e73\u65f6\uff0c\u89c4\u5b9a\u4e3a\u6709\u6548\u5e94\u7b54\u4f4d\uff08ACK\uff09\uff0c\u8868\u793a\u63a5\u6536\u5668\u5df2\u7ecf\u6210\u529f\u5730\u63a5\u6536\u4e86\u8be5\u5b57\u8282\uff1b\u5e94\u7b54\u4fe1\u53f7\u4e3a\u9ad8\u7535\u5e73\u65f6\uff0c\u89c4\u5b9a\u4e3a\u975e\u5e94\u7b54\u4f4d\uff08NACK\uff09\uff0c\u4e00\u822c\u8868\u793a\u63a5\u6536\u5668\u63a5\u6536\u8be5\u5b57\u8282\u6ca1\u6709\u6210\u529f\u3002\u5bf9\u4e8e\u53cd\u9988\u6709\u6548\u5e94\u7b54\u4f4d ACK \u7684\u8981\u6c42\u662f\uff0c\u63a5\u6536\u5668\u5728\u7b2c 9 \u4e2a\u65f6\u949f\u8109\u51b2\u4e4b\u524d\u7684\u4f4e\u7535\u5e73\u671f\u95f4\u5c06 SDA \u7ebf\u62c9\u4f4e\uff0c\u5e76\u4e14\u786e\u4fdd\u5728\u8be5\u65f6\u949f\u7684\u9ad8\u7535\u5e73\u671f\u95f4\u4e3a\u7a33\u5b9a\u7684\u4f4e\u7535\u5e73\u3002<br \/>\u5982\u679c\u63a5\u6536\u5668\u662f\u4e3b\u63a7\u5668\uff0c\u5219\u5728\u5b83\u6536\u5230\u6700\u540e\u4e00\u4e2a\u5b57\u8282\u540e\uff0c\u53d1\u9001\u4e00\u4e2a NACK \u4fe1\u53f7\uff0c\u4ee5\u901a\u77e5\u88ab\u63a7\u53d1\u9001\u5668\u7ed3\u675f\u6570\u636e\u53d1\u9001\uff0c\u5e76\u91ca\u653e SDA \u7ebf\uff0c\u4ee5\u4fbf\u4e3b\u63a7\u63a5\u6536\u5668\u53d1\u9001\u4e00\u4e2a\u505c\u6b62\u4fe1\u53f7\u3002<\/p>\n<\/li>\n<\/ul>\n<h3>2.3 \u8f6f\u4ef6\u6a21\u62dfIIC\u901a\u4fe1<\/h3>\n<p>STM32 \u7684\u786c\u4ef6 I2C \u5b58\u5728\u7740\u4e00\u4e9b BUG \uff0c\u6709\u65f6\u5019\u83ab\u540d\u4f1a\u51fa\u73b0\u95ee\u9898\uff0c\u6240\u4ee5\u5927\u591a\u6570\u60c5\u51b5\u4e0b\u90fd\u4f1a\u4f7f\u7528\u8f6f\u4ef6\u6a21\u62df I2C \u3002\u4f7f\u7528\u8f6f\u4ef6\u6a21\u62df I2C \u4e3b\u8981\u662f\u65b9\u4fbf\u7a0b\u5e8f\u7684\u79fb\u690d\uff0c\u5728\u4f7f\u7528\u65f6\u53ea\u9700\u8981\u4fee\u6539\u4e00\u4e0b\u76f8\u5e94\u7684 GPIO \u53e3\u5373\u53ef\u3002\u800c oled \u5c4f\u5e55\u6a21\u5757\u5c31\u662f\u4f7f\u7528\u8f6f\u4ef6\u6a21\u62df I2C \u901a\u4fe1\u7684\uff0c\u6211\u4eec\u5c06\u4f1a\u5728\u4e0b\u6587\u5b66\u4e60\u8f6f\u4ef6\u6a21\u62df I2C \u901a\u4fe1\u3002<\/p>\n<h2>3. OLED\u5c4f\u5e55<\/h2>\n<p>OLED \u5c4f\u5e55\u6a21\u5757\u578b\u53f7\u591a\u79cd\u591a\u6837\uff0c\u5c4f\u5e55\u5927\u5c0f\u3001\u5f15\u811a\uff084P \u652f\u6301 I2C\uff0c7P \u652f\u6301 I2C \u548c SPI\uff09\u3001\u5b57\u4f53\u989c\u8272\u4e0d\u540c\u3002\u672c\u6b21\u6211\u4eec\u4ee5 0.96 \u5bf8\uff0c4P\uff0c\u767d\u8272\u4e3a\u4f8b\u6765\u8bb2\u89e3\uff0c\u4e00\u901a\u767e\u901a\u3002<\/p>\n<h3>3.1 0.96OLED\u5c4f\u5e55\u4ecb\u7ecd<\/h3>\n<p>0.96 \u5bf8 4P OLED \u5c4f\u5e55\u6a21\u5757\u662f\u4e00\u79cd\u663e\u793a\u5c4f\u6a21\u5757\uff0c\u5b83\u5305\u62ec\u4e00\u4e2a 0.96 \u82f1\u5bf8\u7684 OLED \u663e\u793a\u5c4f\u548c\u56db\u4e2a\u5f15\u811a\u3002\u8fd9\u79cd OLED \u5c4f\u5e55\u6a21\u5757\u901a\u5e38\u7528\u4e8e\u5d4c\u5165\u5f0f\u7cfb\u7edf\u548c\u5c0f\u578b\u7535\u5b50\u8bbe\u5907\u4e2d\uff0c\u53ef\u4ee5\u663e\u793a\u6587\u672c\u3001\u56fe\u50cf\u548c\u5176\u4ed6\u7c7b\u578b\u7684\u4fe1\u606f\u3002\u7531\u4e8e\u5176\u5c0f\u5c3a\u5bf8\u548c\u4f4e\u529f\u8017\uff0c\u4e5f\u5e38\u7528\u4e8e\u667a\u80fd\u624b\u8868\u3001\u5065\u5eb7\u8ffd\u8e2a\u5668\u548c\u5176\u4ed6\u4fbf\u643a\u5f0f\u8bbe\u5907\u4e2d\u3002<\/p>\n<p>\u4e0b\u9762\u8fd9\u4e2a\u662f\u4e00\u6b3e\u5e38\u89c1\u7684 0.96 \u5bf8\u56db\u9488 OLED \u5c4f\u5e55\u6a21\u5757\uff0c\u67d0\u5b9d\u4ef7\u683c\u5728 7~15 \u5de6\u53f3\u3002<\/p>\n<p>0.96OLED \u53c2\u6570\uff1a<\/p>\n<ul>\n<li>\u9a71\u52a8\u82af\u7247\uff1aSSD1306<\/li>\n<li>\u5206\u8fa8\u7387\uff1a128 \u00d7 64<\/li>\n<li>\u663e\u793a\u5c3a\u5bf8\uff1a0.96\u82f1\u5bf8<\/li>\n<li>\u5916\u5f62\u5c3a\u5bf8\uff1a27.5 \u00d7 27.8\uff08mm\uff09<\/li>\n<li>\u73bb\u7483\u5c3a\u5bf8\uff1a26.7 \u00d7 19.26 \u00d7 1.4\uff08mm\uff09<\/li>\n<li>\u663e\u793a\u533a\u57df\uff1a21.74\uff08W\uff09\u00d7 10.864\uff08mm\uff09<\/li>\n<li>\u89c6\u89d2\uff1a\u5168\u89c6\u89d2<\/li>\n<li>\u5de5\u4f5c\u7535\u538b\uff1a3.3V ~ 5V<\/li>\n<li>\u5de5\u4f5c\u6e29\u5ea6\uff1a-20\u2103 ~ 70\u2103<\/li>\n<li>\u5b58\u50a8\u6e29\u5ea6\uff1a-30\u2103 ~ 80\u2103<\/li>\n<li>\u4f7f\u7528\u5bff\u547d\uff1a&gt;=16000 \u5c0f\u65f6<\/li>\n<li>\u652f\u6301\u63a5\u53e3\uff1aI2C<\/li>\n<\/ul>\n<p><img decoding=\"async\" width=\"289\" height=\"272\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVdfNtf\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u53c2\u8003\u63a5\u7ebf\u5982\u4e0b\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th align=\"center\">OLED<\/th>\n<th align=\"center\">STM32<\/th>\n<th align=\"center\">\u5907\u6ce8<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td align=\"center\">GND<\/td>\n<td align=\"center\">G<\/td>\n<td align=\"center\">\u7535\u6e90\u8d1f\u6781<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">VCC<\/td>\n<td align=\"center\">3.3\/5V<\/td>\n<td align=\"center\">\u7535\u6e90\u6b63\u6781<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">SCL<\/td>\n<td align=\"center\">B8\uff08SCL1\uff09\/B10\uff08SCL2\uff09<\/td>\n<td align=\"center\">\u65f6\u949f\u7ebf<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">SDA<\/td>\n<td align=\"center\">B9\uff08SDA1\uff09\/B11\uff08SDA2\uff09<\/td>\n<td align=\"center\">\u6570\u636e\u7ebf<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>0.96OLED \u5c4f\u5e55\u6a21\u5757\u7684\u4f18\u70b9\u6709\uff1a<\/p>\n<ol>\n<li>\u9ad8\u5bf9\u6bd4\u5ea6\u548c\u9ad8\u4eae\u5ea6\uff1aOLED \u5c4f\u5e55\u6a21\u5757\u53ef\u4ee5\u63d0\u4f9b\u6df1\u9ed1\u8272\u80cc\u666f\u548c\u660e\u4eae\u7684\u5b57\u8272\uff0c\u56e0\u6b64\u53ef\u4ee5\u5b9e\u73b0\u9ad8\u5bf9\u6bd4\u5ea6\u548c\u9ad8\u4eae\u5ea6\u7684\u663e\u793a\u6548\u679c\uff1b<\/li>\n<li>\u81ea\u53d1\u5149\uff1aOLED \u5c4f\u5e55\u6a21\u5757\u4e0d\u9700\u8981\u80cc\u5149\u706f\uff0c\u56e0\u6b64\u53ef\u4ee5\u5b9e\u73b0\u66f4\u8584\u3001\u66f4\u8f7b\u7684\u8bbe\u8ba1\uff1b<\/li>\n<li>\u54cd\u5e94\u901f\u5ea6\u5feb\uff1aOLED \u5c4f\u5e55\u6a21\u5757\u7684\u54cd\u5e94\u901f\u5ea6\u975e\u5e38\u5feb\uff0c\u53ef\u4ee5\u5b9e\u73b0\u6d41\u7545\u7684\u52a8\u753b\u548c\u89c6\u9891\u6548\u679c\uff1b<\/li>\n<li>\u89c6\u89d2\u5bbd\uff1aOLED \u5c4f\u5e55\u6a21\u5757\u7684\u89c6\u89d2\u975e\u5e38\u5bbd\uff0c\u5373\u4f7f\u4ece\u4e0d\u540c\u89d2\u5ea6\u89c2\u5bdf\uff0c\u56fe\u50cf\u548c\u6587\u5b57\u4e5f\u80fd\u4fdd\u6301\u6e05\u6670\u3002<\/li>\n<\/ol>\n<p>0.96OLED \u5c4f\u5e55\u6a21\u5757\u7684\u7f3a\u70b9\u6709\uff1a<\/p>\n<ol>\n<li>\u663e\u793a\u5bff\u547d\u77ed\uff1a\u4e0e LCD \u663e\u793a\u5c4f\u76f8\u6bd4\uff0cOLED \u7684\u663e\u793a\u5bff\u547d\u76f8\u5bf9\u8f83\u77ed\uff0c\u56e0\u4e3a\u5b83\u7684\u6709\u673a\u6750\u6599\u4f1a\u968f\u7740\u65f6\u95f4\u7684\u63a8\u79fb\u800c\u9010\u6e10\u5931\u6548\uff1b<\/li>\n<li>\u663e\u793a\u9762\u79ef\u5c0f\uff1a0.96 \u5bf8 OLED \u5c4f\u5e55\u6a21\u5757\u7684\u663e\u793a\u9762\u79ef\u76f8\u5bf9\u8f83\u5c0f\uff0c\u56e0\u6b64\u4e0d\u9002\u5408\u7528\u4e8e\u9700\u8981\u5927\u5c4f\u5e55\u7684\u5e94\u7528\u3002<\/li>\n<\/ol>\n<h3>3.2 SSD1306\u4ecb\u7ecd\u3000<\/h3>\n<p>\u63a5\u4e0b\u6765\u6211\u4eec\u4ecb\u7ecd\u4e00\u4e0b OLED \u5c4f\u6a21\u5757\u7684\u82af\u7247\u2014\u2014SSD1306\u3002<\/p>\n<p>SSD1306 \u662f\u4e00\u6b3e\u5e26\u63a7\u5236\u5668\u7684\u7528\u4e8e OLED \u70b9\u9635\u56fe\u5f62\u663e\u793a\u7cfb\u7edf\u7684\u5355\u7247 CMOS OLED\/PLED \u9a71\u52a8\u5668\u3002\u5b83\u7531 128 \u4e2a SEG\uff08\u5217\u8f93\u51fa\uff09\u548c 64 \u4e2a COM\uff08\u884c\u8f93\u51fa\uff09\u7ec4\u6210\u3002\u8be5\u82af\u7247\u4e13\u4e3a\u5171\u9634\u6781 OLED \u9762\u677f\u8bbe\u8ba1\u3002<br \/>SSD1306 \u5185\u7f6e\u5bf9\u6bd4\u5ea6\u63a7\u5236\u5668\u3001\u663e\u793a RAM\uff08GDDRAM\uff09\u548c\u632f\u8361\u5668\uff0c\u4ee5\u6b64\u51cf\u5c11\u4e86\u5916\u90e8\u5143\u4ef6\u7684\u6570\u91cf\u548c\u529f\u8017\u3002\u8be5\u82af\u7247\u6709 256 \u7ea7\u4eae\u5ea6\u63a7\u5236\u3002\u6570\u636e\u6216\u547d\u4ee4\u7531\u901a\u7528\u5fae\u63a7\u5236\u5668\u901a\u8fc7\u786c\u4ef6\u9009\u62e9\u7684 6800\/8000 \u7cfb\u901a\u7528\u5e76\u884c\u63a5\u53e3\u3001I2C \u63a5\u53e3\u6216\u4e32\u884c\u5916\u56f4\u63a5\u53e3\u53d1\u9001\u3002\u8be5\u82af\u7247\u9002\u7528\u4e8e\u8bb8\u591a\u5c0f\u578b\u4fbf\u643a\u5f0f\u5e94\u7528\uff0c\u5982\u624b\u673a\u526f\u663e\u793a\u5c4f\u3001MP3 \u64ad\u653e\u5668\u548c\u8ba1\u7b97\u5668\u7b49\u3002<\/p>\n<p>SSD1306 \u82af\u7247\u7ed3\u6784\u56fe\uff1a<\/p>\n<p><img decoding=\"async\" width=\"723\" height=\"687\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVdfNtg\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>SSD1306 \u82af\u7247\u5f15\u811a\u56fe\uff1a<\/p>\n<p><img decoding=\"async\" width=\"723\" height=\"465\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVdfNth\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>SSD1306 \u82af\u7247\u5f15\u811a\u8bf4\u660e\uff1a<\/p>\n<ul>\n<li>NC\uff1a\u7a7a\u5f15\u811a\uff0c\u4e0d\u8981\u77ed\u63a5\uff1b<\/li>\n<li>VCC\uff1a\u663e\u793a\u9762\u677f\u9a71\u52a8\u7535\u6e90\u5f15\u811a\uff1b<\/li>\n<li>VCOMH\uff1a\u7528\u4e8e COM \u7684\u9ad8\u7535\u5e73\u7535\u538b\u8f93\u51fa\u7684\u5f15\u811a\uff0c\u4e0e VSS \u4e4b\u95f4\u5e94\u8be5\u8fde\u63a5\u4e00\u4e2a\u7535\u5bb9\uff1b<\/li>\n<li>IREF\uff1a\u6bb5\u8f93\u51fa\u7535\u6d41\u53c2\u8003\u811a\uff0cVSS \u95f4\u5e94\u8fde\u63a5\u4e00\u4e2a\u7535\u963b\uff0c\u4ee5\u5c06 IREF \u7535\u6d41\u4fdd\u6301\u5728 12.5uA \uff1b<\/li>\n<li>D[7~0]\uff1a\u8fde\u63a5\u5230 MCU \u7684 8 \u4f4d\u53cc\u5411\u6570\u636e\u603b\u7ebf\uff0c\u4e0d\u540c MCU \u603b\u7ebf\u63a5\u53e3\u6709\u4e0d\u540c\u7528\u6cd5\uff1b<\/li>\n<li>E \uff08RD#\uff09\uff1a\u4e0e 6800\/8080 \u901a\u7528\u5e76\u884c\u603b\u7ebf\u63a5\u53e3\u76f8\u5173\uff0c\u4f7f\u7528\u4e32\u884c\u63a5\u53e3\u65f6\u4f5c\u62c9\u9ad8\u5904\u7406\uff1b<\/li>\n<li>R\/W#\uff08WR#\uff09\uff1a\u4e0e 6800\/8080 \u901a\u7528\u5e76\u884c\u603b\u7ebf\u63a5\u53e3\u76f8\u5173\uff0c\u4f7f\u7528\u4e32\u884c\u63a5\u53e3\u65f6\u4f5c\u62c9\u9ad8\u5904\u7406\uff1b<\/li>\n<li>D\/C#\uff1a\u6570\u636e\/\u547d\u4ee4\u63a7\u5236\u811a\uff0c\u4e0d\u540c MCU \u603b\u7ebf\u63a5\u53e3\u6709\u4e0d\u540c\u7528\u6cd5\uff1b<\/li>\n<li>RES#\uff1a\u590d\u4f4d\u4fe1\u53f7\u5f15\u811a\uff0c\u4f4e\u7535\u5e73\u6709\u6548\uff1b<\/li>\n<li>CS#\uff1a\u82af\u7247\u7247\u9009\u5f15\u811a\uff0c\u4f4e\u7535\u5e73\u6709\u6548\uff1b<\/li>\n<li>B[2:0]\uff1aMCU \u603b\u7ebf\u63a5\u53e3\u9009\u62e9\u811a\u3002\u901a\u8fc7\u914d\u7f6e B0~B2 \u6765\u9009\u62e9\u4e0d\u540c\u7684 MCU \u603b\u7ebf\u63a5\u53e3\uff1b<\/li>\n<li>VDD\uff1a\u82af\u7247\u903b\u8f91\u5668\u4ef6\u4f9b\u7535\u5f15\u811a\uff1b<\/li>\n<li>VSS\uff1a\u63a5\u5730\u5f15\u811a\uff1b<\/li>\n<li>CL\uff1a\u5916\u90e8\u65f6\u949f\u8f93\u5165\u5f15\u811a\u3002\u7528\u5916\u90e8\u65f6\u949f\u65f6\uff0c\u6b64\u5f15\u811a\u8f93\u5165\u5916\u90e8\u65f6\u949f\u4fe1\u53f7\u3002\u7528\u5185\u90e8\u65f6\u949f\u65f6\u5e94\u8fde\u63a5\u5230 VSS \uff1b<\/li>\n<li>CLS\uff1a\u5185\u90e8\u65f6\u949f\u542f\u7528\u5f15\u811a\u3002\u62c9\u9ad8\u65f6\u5185\u90e8\u65f6\u949f\u542f\u7528\uff0c\u62c9\u4f4e\u65f6\u5185\u90e8\u65f6\u949f\u7981\u7528\uff1b<\/li>\n<li>FR\uff1a\u7528\u4e8e\u8f93\u51fa RAM \u5199\u540c\u6b65\u4fe1\u53f7\uff0c\u4e0d\u4f7f\u7528\u5e94\u5f53 NC pin \u5904\u7406\uff1b<\/li>\n<li>TR0~TR6\uff1a\u6d4b\u8bd5\u4fdd\u7559\u5f15\u811a\uff0c\u5f53\u505a NC pin \u5904\u7406\uff1b<\/li>\n<li>VLSS\uff1a\u6a21\u62df\u63a5\u5730\u5f15\u811a\uff0c\u5728\u5916\u90e8\u8fde\u63a5\u5230 VSS \uff1b<\/li>\n<li>SEG0~SEG127\uff1a\u5217\u8f93\u51fa\u811a\uff0cOLED \u5173\u95ed\u65f6\uff0c\u5904\u4e8e VSS \u72b6\u6001\uff1b<\/li>\n<li>COM0~COM63\uff1a\u884c\u8f93\u51fa\u811a\uff0cOLED \u5173\u95ed\u65f6\uff0c\u5904\u4e8e\u9ad8\u963b\u6297\u72b6\u6001\u3002<\/li>\n<\/ul>\n<p>SSD1306 \u7684\u521d\u59cb\u5316\u8fc7\u7a0b\uff1a<\/p>\n<p>\u5f53 RES# \u8f93\u5165\u4f4e\u7535\u5e73\u65f6<\/p>\n<ol>\n<li>\u9996\u5148\u5173\u95ed\u663e\u793a\uff08AEH\uff09<\/li>\n<li>\u7136\u540e\u8fdb\u5165 128&#215;64 \u663e\u793a\u6a21\u5f0f<\/li>\n<li>\u63a5\u7740\u6062\u590d\u5230\u9ed8\u8ba4\u7684 SEG \u548c COM \u6620\u5c04\u5173\u7cfb\uff08A0H\uff0cD3H-00H\uff09<\/li>\n<li>\u6e05\u9664\u4e32\u884c\u63a5\u53e3\u4e2d\u79fb\u4f4d\u5bc4\u5b58\u5668\u5185\u7684\u6570\u636e<\/li>\n<li>GDDRAM \u663e\u793a\u5f00\u59cb\u884c\u8bbe\u4e3a0\uff0840H\uff09<\/li>\n<li>\u5217\u5730\u5740\u8ba1\u6570\u5668\u91cd\u7f6e\u4e3a 0<\/li>\n<li>\u6062\u590d\u5230\u9ed8\u8ba4\u7684 COM \u626b\u63cf\u65b9\u5411\uff08C0H\uff09<\/li>\n<li>\u5bf9\u6bd4\u5ea6\u5bc4\u5b58\u5668\u521d\u59cb\u5316\u4e3a 7FH\uff0881H-7FH\uff09<\/li>\n<li>\u6b63\u5e38\u663e\u793a\u6a21\u5f0f\uff08A4H\uff09<\/li>\n<\/ol>\n<p><strong>\u57fa\u7840\u914d\u7f6e\uff1a<\/strong><\/p>\n<pre><code>    IIC \u603b\u7ebf\u5305\u542b\u4ece\u673a\u5730\u5740\u4f4d SA0\uff0c\u6570\u636e\u4fe1\u53f7\u7ebf SDA\uff08SDAOUT\/D2 \u8f93\u51fa\u548c SDAIN\/D1 \u8f93\u5165\uff09\u548c\u65f6\u949f\u4fe1\u53f7\u7ebf SCL\u7ec4\u6210\u3002SDA \u548c SCL \u7ebf\u90fd\u5fc5\u987b\u63a5\u4e0a\u62c9\u7535\u963b\uff0cRES#\u7528\u6765\u521d\u59cb\u5316\u82af\u7247\u3002\n    IIC\u8bbe\u5907\u5728\u6570\u636e\u4f20\u8f93\u4e4b\u524d\u90fd\u5fc5\u987b\u8bc6\u522b\u4ece\u673a\u5730\u5740\u3002SSD1306 \u7684\u4ece\u673a\u5730\u5740\u6709 0111100b \u548c 0111101b \u4e24\u79cd\uff0c\u901a\u8fc7\u5c06 SA0\uff08D\/C#\uff09\u811a\u4e0a\u62c9\u5230\u9ad8\u7535\u5e73\u53ef\u4ee5\u8bbe\u7f6e\u4ece\u673a\u5730\u5740\u7b2c\u4e03\u4f4d\u4e3a 1\uff0c\u5c06SA0\uff08D\/C#\uff09\u811a\u4e0b\u62c9\u5230\u4f4e\u7535\u5e73\u53ef\u4ee5\u8bbe\u7f6e\u4ece\u673a\u5730\u5740\u7b2c\u4e03\u4f4d\u4e3a 0\u3002\u901a\u8fc7SA0\uff08D\/C#\uff09\u811a\u7684\u4e0a\u62c9\u548c\u4e0b\u62c9\u6765\u8bbe\u7f6e\u4ece\u673a\u5730\u5740\uff0c\u4ece\u800c\u4ee4\u603b\u7ebf\u4e0a\u53ef\u4ee5\u5b58\u5728\u6700\u591a 2 \u4e2a SSD1306 \u9a71\u52a8\u5668\u3002\n<\/code><\/pre>\n<table>\n<thead>\n<tr>\n<th>B7<\/th>\n<th>B6<\/th>\n<th>B5<\/th>\n<th>B4<\/th>\n<th>B3<\/th>\n<th>B2<\/th>\n<th>B1<\/th>\n<th>B0<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>0<\/td>\n<td>1<\/td>\n<td>1<\/td>\n<td>1<\/td>\n<td>1<\/td>\n<td>0<\/td>\n<td>0<\/td>\n<td>R\/W#<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u200b        SDAOUT\/D2\u548cSDAIN\/D1\u8fde\u63a5\u5230\u4e00\u8d77\u4f5c\u4e3aSDA\u3002SDAIN\u5f15\u811a\u5fc5\u987b\u8fde\u63a5\u5230SDA\uff0cSDAOUT\u5f15\u811a\u53ef\u4ee5\u4e0d\u8fde\u63a5\u3002\u5f53SDAOUT\u5f15\u811a\u4e0d\u8fde\u63a5\uff0c\u5e94\u7b54\u4fe1\u53f7\u5c06\u4f1a\u88ab12C\u603b\u7ebf\u5ffd\u7565\u3002<\/p>\n<p><strong>\u5199\u5165\u65f6\u5e8f\uff1a<\/strong><\/p>\n<ol>\n<li>\u4e3b\u673a\u5148\u53d1\u8d77\u5f00\u59cb\uff08START\uff09\u4fe1\u53f7\uff0c\u7136\u540e\u53d1\u9001 1byte \u9996\u5b57\u8282\uff0c\u5305\u62ec\u4ece\u673a\u5730\u5740\uff087\u4f4d\uff09\u548c\u8bfb\u5199\u6570\u636e\u4f4d\uff081 \u4f4d\uff0c\u6700\u4f4e\u4f4d\uff0c0 \u4e3a\u5199\u6a21\u5f0f\uff09\uff0c\u9a71\u52a8\u5668\u8bc6\u522b\u4ece\u673a\u5730\u5740\u4e3a\u672c\u673a\u5730\u5740\u4e4b\u540e\uff0c\u5c06\u4f1a\u53d1\u51fa\u5e94\u7b54\u4fe1\u53f7\uff08ACK\uff09\u3002<\/li>\n<li>\u4e3b\u673a\u6536\u5230\u4ece\u673a\uff08\u9a71\u52a8\u5668\uff09\u7684\u5e94\u7b54\u4fe1\u53f7\u4e4b\u540e\uff0c\u968f\u540e\u4f20\u8f93 1byte \u63a7\u5236\u5b57\u8282\u3002\u4e00\u4e2a\u63a7\u5236\u5b57\u8282\u4e3b\u8981\u7531CO \u548c D\/C# \u4f4d\u540e\u9762\u518d\u52a0\u4e0a\u516d\u4e2a 0 \u7ec4\u6210\u7684\u3002\u5982\u679c Co \u4e3a 0 \uff0c\u540e\u9762\u4f20\u8f93\u7684\u4fe1\u606f\u5c31\u53ea\u5305\u542b\u6570\u636e\u5b57\u8282\u3002D\/C# \u4f4d\u51b3\u5b9a\u4e86\u4e0b\u4e2a\u6570\u636e\u5b57\u8282\u662f\u4f5c\u4e3a\u547d\u4ee4\u8fd8\u662f\u6570\u636e\u3002D\/C# \u4e3a 0 \u65f6\uff0c\u4e0b\u4e00\u4e2a\u6570\u636e\u88ab\u89c6\u4e3a\u547d\u4ee4\uff1bDC# \u4e3a 1 \u65f6\uff0c\u4e0b\u4e00\u4e2a\u6570\u636e\u88ab\u89c6\u4e3a\u663e\u793a\u6570\u636e\uff0c\u5b58\u50a8\u5230 GDDRAM \u4e2d\u3002<\/li>\n<li>\u6536\u5230\u63a7\u5236\u5b57\u8282 ACK \u4fe1\u53f7\u4e4b\u540e\uff0c\u4f20\u8f93\u8981\u5199\u5165\u7684\u6570\u636e\u5b57\u8282\u3002<\/li>\n<li>\n<p>\u4f20\u8f93\u5b8c\u6bd5\u4e4b\u540e\u4e3b\u673a\u53d1\u51fa\u7ed3\u675f\uff08STOP\uff09\u4fe1\u53f7\u3002<\/p>\n<p><img decoding=\"async\" width=\"723\" height=\"431\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVdfNti\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<\/li>\n<\/ol>\n<h3>3.3 GDDRAM\u4ecb\u7ecd<\/h3>\n<p>SSD1306 \u7684 GDDRAM \u7528\u4e8e\u5b58\u50a8\u5c06\u663e\u793a\u5728 128\u00d764 \u5355\u8272\u70b9\u9635\u5c4f\u4e0a\u7684\u56fe\u50cf\uff0c\u5176\u4e2d\u6bcf\u4e2a\u4f4d\u5bf9\u5e94\u5c4f\u5e55\u4e0a\u7684\u4e00\u4e2a\u50cf\u7d20\u3002\u6b64 RAM \u5927\u5c0f\u4e3a 128\u00d764 \u4f4d\uff0c\u88ab\u5206\u6210\u516b\u4e2a\u9875\u9762\uff0c\u5982\u4e0b\u8868\u683c\u6240\u793a<\/p>\n<table>\n<thead>\n<tr>\n<th align=\"center\"><strong>Page 0<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td align=\"center\"><strong>Page 1<\/strong><\/td>\n<\/tr>\n<tr>\n<td align=\"center\"><strong>Page 2<\/strong><\/td>\n<\/tr>\n<tr>\n<td align=\"center\"><strong>Page 3<\/strong><\/td>\n<\/tr>\n<tr>\n<td align=\"center\"><strong>Page 4<\/strong><\/td>\n<\/tr>\n<tr>\n<td align=\"center\"><strong>Page 5<\/strong><\/td>\n<\/tr>\n<tr>\n<td align=\"center\"><strong>Page 6<\/strong><\/td>\n<\/tr>\n<tr>\n<td align=\"center\"><strong>Page 7<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li>\n<p><strong>\u6bcf\u4e2a\u9875\u9762\u7684\u5206\u914d\u60c5\u51b5\u4e3a\uff1a<\/strong><\/p>\n<p>PAGE0\uff08COM0-COM7\uff09<\/p>\n<p>PAGE1 -&gt; COM8-COM15<\/p>\n<p>PAGE2 -&gt; COM16-COM23<\/p>\n<p>PAGE3 -&gt; COM24-COM31<\/p>\n<p>PAGE4 -&gt; COM32-COM39<\/p>\n<p>PAGE5 -&gt; COM40-COM47<\/p>\n<p>PAGE6 -&gt; COM48-COM55<\/p>\n<p>PAGE7 -&gt; COM56-COM63<\/p>\n<\/li>\n<li>\n<p><strong>\u82e5\u884c\u91cd\u6620\u5c04\uff08Row re-mapping\uff09\uff0c\u5219\u4e3a\uff1a<\/strong><\/p>\n<p>PAGE0 -&gt; COM56-COM63<\/p>\n<p>PAGE1 -&gt; COM48-COM55<\/p>\n<p>PAGE2 -&gt; COM40-COM47<\/p>\n<p>PAGE3 -&gt; COM32-COM39<\/p>\n<p>PAGE4 -&gt; COM24-COM31<\/p>\n<p>PAGE5 -&gt; COM16-COM23<\/p>\n<p>PAGE6 -&gt; COM8-COM15<\/p>\n<p>PAGE7 -&gt; COM0-COM7<\/p>\n<\/li>\n<li>\n<p><strong>\u6bb5\u7684\u5199\u5165\u987a\u5e8f\uff1a<\/strong><\/p>\n<p>SEG0 \u81f3 SEG127<\/p>\n<\/li>\n<li>\n<p><strong>\u82e5\u5217\u91cd\u6620\u5c04\uff08column re-mapping\uff09\uff0c\u5219\u4e3a:<\/strong><\/p>\n<p>SEG127 \u81f3 SEG0<\/p>\n<p>\u5f53\u5411 GDDRAM \u5199\u5165\u4e00\u4e2a\u5b57\u8282\u65f6\uff0c \u6b64\u5b57\u8282\u5c06\u5199\u5165\u5f53\u524d\u9875\u7684\u5f53\u524d\u6bb5\uff08\u5f53\u524d\u5217\uff0c \u5373\u5217\u5730\u5740\u6307\u9488\uff08column address pointer\uff09\u6307\u5411\u7684\u5217\uff09\uff0c \u5b57\u8282\u7684 LSB \u5199\u5165\u5f53\u524d\u6700\u4f4e\u5217\uff0c MSB \u5199\u5165\u5f53\u524d\u6700\u9ad8\u5217\u3002<\/p>\n<\/li>\n<\/ul>\n<h3>3.4 GDDRAM\u5bfb\u5740\u6a21\u5f0f<\/h3>\n<p><strong>GDDRAM \u6709\u4e09\u79cd\u5bfb\u5740\u6a21\u5f0f\uff1a<\/strong><\/p>\n<ol>\n<li>\n<p><strong>\u9875\u5bfb\u5740<\/strong><\/p>\n<p>\u5728\u9875\u5bfb\u5740\u6a21\u5f0f\u4e0b\uff0c\u8bfb\u5199\u663e\u793a RAM \u540e\uff0c\u5217\u5730\u5740\u6307\u9488\u81ea\u52a8\u589e\u52a0 1\u3002\u5982\u679c\u5217\u5730\u5740\u6307\u9488\u5230\u8fbe\u5217\u7ed3\u675f\u5730\u5740\uff0c\u5219\u5217\u5730\u5740\u6307\u9488\u5c06\u88ab\u91cd\u7f6e\u4e3a\u5217\u8d77\u59cb\u5730\u5740\uff0c\u800c\u9875\u9762\u5730\u5740\u6307\u9488\u5c06\u4e0d\u4f1a\u88ab\u66f4\u6539\u3002\u7528\u6237\u5fc5\u987b\u8bbe\u7f6e\u65b0\u7684\u9875\u9762\u548c\u5217\u5730\u5740\uff0c\u624d\u80fd\u8bbf\u95ee\u4e0b\u4e00\u9875 RAM \u5185\u5bb9\u3002\u9875\u9762\u5bfb\u5740\u6a21\u5f0f\u7684 page \u548c\u5217\u5730\u5740\u70b9\u7684\u79fb\u52a8\u987a\u5e8f\u5982\u56fe\uff1a<\/p>\n<p><img decoding=\"async\" width=\"666\" height=\"197\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVdfNtj\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<\/li>\n<li>\n<p><strong>\u5782\u76f4\u5bfb\u5740<\/strong><\/p>\n<p>\u5728\u6c34\u5e73\u5bfb\u5740\u6a21\u5f0f\u4e0b\uff0c\u8bfb\u5199\u663e\u793a RAM \u540e\uff0c\u5217\u5730\u5740\u6307\u9488\u81ea\u52a8\u589e\u52a0 1\u3002\u5982\u679c\u5217\u5730\u5740\u6307\u9488\u5230\u8fbe\u5217\u7ed3\u675f\u5730\u5740\uff0c\u5219\u5c06\u5217\u5730\u5740\u6307\u9488\u91cd\u7f6e\u4e3a\u5217\u8d77\u59cb\u5730\u5740\uff0c\u9875\u5730\u5740\u6307\u9488\u589e\u52a0 1\u3002\u6c34\u5e73\u5bfb\u5740\u6a21\u5f0f\u4e0b\u7684\u9875\u9762\u548c\u5217\u5730\u5740\u70b9\u7684\u79fb\u52a8\u987a\u5e8f\u5982\u56fe\u6240\u793a\uff08\u8d77\u59cb\u9875\u4e3a 0\uff0c\u7ec8\u6b62\u9875\u4e3a 7\u3002\u8d77\u59cb\u5217\u4e3a 0\uff0c\u7ec8\u6b62\u5217\u4e3a127\uff09\u3002\u5f53\u5217\u548c\u9875\u9762\u5730\u5740\u6307\u9488\u90fd\u5230\u8fbe\u7ed3\u675f\u5730\u5740\u65f6\uff0c\u6307\u9488\u5c06\u91cd\u7f6e\u4e3a\u5217\u8d77\u59cb\u5730\u5740\u548c\u9875\u9762\u8d77\u59cb\u5730\u5740\uff08\u56fe\u4e2d\u7684\u865a\u7ebf\uff09\u3002<\/p>\n<p><img decoding=\"async\" width=\"666\" height=\"216\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVdfNtk\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<\/li>\n<li>\n<p><strong>\u6c34\u5e73\u5bfb\u5740<\/strong><\/p>\n<p>\u5728\u5782\u76f4\u5bfb\u5740\u6a21\u5f0f\u4e0b\uff0c\u8bfb\u5199\u663e\u793a RAM \u540e\uff0c\u9875\u9762\u5730\u5740\u6307\u9488\u81ea\u52a8\u589e\u52a0 1\u3002\u5982\u679c\u9875\u9762\u5730\u5740\u6307\u9488\u5230\u8fbe\u9875\u9762\u7ed3\u675f\u5730\u5740\uff0c\u5219\u9875\u9762\u5730\u5740\u6307\u9488\u91cd\u7f6e\u4e3a\u9875\u9762\u8d77\u59cb\u5730\u5740\uff0c\u5217\u5730\u5740\u6307\u9488\u589e\u52a0 1\u3002\u5782\u76f4\u5bfb\u5740\u6a21\u5f0f\u7684\u9875\u9762\u548c\u5217\u5730\u5740\u70b9\u7684\u79fb\u52a8\u987a\u5e8f\u5982\u56fe\u6240\u793a\uff08\u8d77\u59cb\u9875\u4e3a 0\uff0c\u7ec8\u6b62\u9875\u4e3a 7\u3002\u8d77\u59cb\u5217\u4e3a 0\uff0c\u7ec8\u6b62\u5217\u4e3a127\uff09\u3002\u5f53\u5217\u548c\u9875\u9762\u5730\u5740\u6307\u9488\u90fd\u5230\u8fbe\u7ed3\u675f\u5730\u5740\u65f6\uff0c\u6307\u9488\u5c06\u91cd\u7f6e\u4e3a\u5217\u8d77\u59cb\u5730\u5740\u548c\u9875\u9762\u8d77\u59cb\u5730\u5740\uff08\u56fe\u4e2d\u7684\u865a\u7ebf\uff09\u3002<\/p>\n<p><img decoding=\"async\" width=\"722\" height=\"276\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVdfNtl\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<\/li>\n<\/ol>\n<h3>3.5 \u6307\u4ee4\u8be6\u89e3<\/h3>\n<h4>3.5.1 \u57fa\u7840\u6307\u4ee4<\/h4>\n<p><strong>1.\u8bbe\u7f6e\u5bf9\u6bd4\u5ea6<\/strong> \uff08\u6307\u4ee4\u4e3a \u201c81H+A[7:0]\u201c \uff09<br \/>\u2003\u2003\u8fd9\u662f\u4e00\u6761\u53cc\u5b57\u8282\u7684\u6307\u4ee4\uff0c\u7531\u7b2c\u4e8c\u6761\u6307\u4ee4\u6307\u5b9a\u8981\u8bbe\u7f6e\u7684\u5bf9\u6bd4\u5ea6\u7ea7\u6570\u3002\u8fd9\u6761\u6307\u4ee4\u7528\u4e8e\u8bbe\u7f6e\u5c4f\u5e55\u7684\u5bf9\u6bd4\u5ea6\u3002<br \/>\u2003\u2003A[7:0] \u4ece 00H~FFH \u5206\u522b\u6307\u5b9a\u5bf9\u6bd4\u5ea6\u4e3a 1~256 \u7ea7\u3002SEG\uff08\u6bb5\uff09\u8f93\u51fa\u7684\u7535\u6d41\u5927\u5c0f\u968f\u5bf9\u6bd4\u5ea6\u7ea7\u6570\u7684\u589e\u52a0\u800c\u589e\u52a0\u3002<\/p>\n<p><strong>2.\u8bbe\u7f6e\u5168\u5c4f\u5168\u4eae<\/strong> \uff08\u6307\u4ee4\u4e3a \u201dA4H \/ A5H\u201c \uff09<br \/>\u2003\u2003\u8fd9\u662f\u4e00\u6761\u5355\u5b57\u8282\u7684\u6307\u4ee4\uff0c\u7528\u4e8e\u5f00\u5173\u5c4f\u5e55\u5168\u4eae\u6a21\u5f0f\u3002<br \/>\u2003\u2003A4H \u5c06\u5c4f\u5e55\u663e\u793a\u6a21\u5f0f\u8bbe\u7f6e\u4e3a\u6b63\u5e38\u6a21\u5f0f\uff0c\u8fd9\u65f6\u5c4f\u5e55\u5c06\u4f1a\u663e\u793a GDDRAM \u4e2d\u8f93\u51fa\u7684\u6570\u636e\u3002<br \/>\u2003\u2003A5H \u5c06\u5c4f\u5e55\u663e\u793a\u6a21\u5f0f\u8bbe\u7f6e\u4e3a\u5168\u4eae\u6a21\u5f0f\uff0c\u8fd9\u65f6\u5c4f\u5e55\u5c06\u4f1a\u65e0\u89c6 GDDRAM \u4e2d\u7684\u6570\u636e\uff0c\u5e76\u70b9\u4eae\u5168\u5c4f\u3002<br \/>\u2003\u2003\u901a\u8fc7 A5H \u8bbe\u7f6e\u5168\u5c4f\u70b9\u4eae\u4e4b\u540e\u53ef\u4ee5\u901a\u8fc7 A4H \u6765\u56de\u590d\u6b63\u5e38\u663e\u793a\u3002<\/p>\n<p><strong>3.\u8bbe\u7f6e\u6b63\u5e38\/\u53cd\u8f6c\u663e\u793a<\/strong> \uff08\u6307\u4ee4\u4e3a \u201dA6H \/ A7H\u201c \uff09<br \/>\u2003\u2003\u8fd9\u662f\u4e00\u6761\u5355\u5b57\u8282\u7684\u6307\u4ee4\uff0c\u7528\u4e8e\u8bbe\u7f6e\u5c4f\u5e55\u7684\u663e\u793a\u6a21\u5f0f\u3002<br \/>\u2003\u2003A6H \u8bbe\u7f6e\u663e\u793a\u6a21\u5f0f\u4e3a 1 \u4eae 0 \u706d\uff0c\u800c A7H \u8bbe\u7f6e\u663e\u793a\u6a21\u5f0f\u4e3a 0 \u4eae 1 \u706d\u3002<\/p>\n<p><strong>4.\u5f00\u5173\u663e\u793a\u5c4f<\/strong> \uff08\u6307\u4ee4\u4e3a \u201dAEH \/ AFH\u201d \uff09<br \/>\u2003\u2003\u8fd9\u662f\u4e00\u6761\u5355\u5b57\u8282\u7684\u6307\u4ee4\u3002<br \/>\u2003\u2003AEH \u5173\u95ed\u5c4f\u5e55\uff0c\u800c AFH \u5f00\u542f\u5c4f\u5e55\u3002<br \/>\u2003\u2003\u5c4f\u5e55\u5173\u95ed\u65f6\uff0c\u6240\u6709 SEG \u548c COM \u7684\u8f93\u51fa\u88ab\u5206\u522b\u7f6e\u4e3a Vss \u548c\u9ad8\u963b\u6001\u3002<\/p>\n<h4>3.5.2 \u786c\u4ef6\u6307\u4ee4<\/h4>\n<p><strong>1.\u8bbe\u7f6eGDDRAM\u8d77\u59cb\u884c<\/strong> \uff08\u6307\u4ee4\u4e3a \u201d40H~7FH\u201c \uff09<br \/>\u2003\u2003\u8fd9\u662f\u4e00\u6761\u5355\u5b57\u8282\u7684\u6307\u4ee4\u3002<br \/>\u2003\u2003\u9ad8 2 \u4f4d\u89c4\u5b9a\u4e3a 01b\uff0c\u7531\u4f4e 6 \u4f4d\u7684\u53d6\u503c\u6765\u51b3\u5b9a\u8d77\u59cb\u884c\u3002\u6574\u4f53\u6307\u4ee4\u4ece 40H~7FH \u5206\u522b\u8bbe\u7f6e\u8d77\u59cb\u884c\u4e3a 0~63\u3002<\/p>\n<p><strong>2.\u8bbe\u7f6eSEG\u6620\u5c04\u5173\u7cfb<\/strong> \uff08\u6307\u4ee4\u4e3a \u201dA0H \/ A1H\u201c \uff09<br \/>\u2003\u2003\u8fd9\u662f\u4e00\u6761\u5355\u5b57\u8282\u7684\u6307\u4ee4\u3002<br \/>\u2003\u2003A0H \u8bbe\u7f6e GDDRAM \u7684 COL0 \u6620\u5c04\u5230\u9a71\u52a8\u5668\u8f93\u51fa SEG0 \u3002<br \/>\u2003\u2003A1H \u8bbe\u7f6e COL127 \u6620\u5c04\u5230 SEG0 \u3002<\/p>\n<p><strong>3.\u8bbe\u7f6eCOM \u626b\u63cf\u65b9\u5411<\/strong> \uff08\u6307\u4ee4\u4e3a \u201dC0H \/ C8H\u201c \uff09<br \/>\u2003\u2003\u8fd9\u662f\u4e00\u6761\u5355\u5b57\u8282\u7684\u6307\u4ee4\u3002<br \/>\u2003\u2003C0H \u8bbe\u7f6e \u4ece COM0 \u626b\u63cf\u5230 COM[N-1] \uff0cN \u4e3a\u590d\u7528\u7387\u3002<br \/>\u2003\u2003C1H \u8bbe\u7f6e \u4ece COM[N-1] \u626b\u63cf\u5230 COM0 \u3002<\/p>\n<p><strong>4.\u8bbe\u7f6e\u590d\u7528\u7387<\/strong> \uff08\u6307\u4ee4\u4e3a \u201dA8H+A[5:0]\u201c \uff09<br \/>\u2003\u2003\u8fd9\u662f\u4e00\u6761\u53cc\u5b57\u8282\u7684\u6307\u4ee4\uff0c\u7531 A[5:0] \u6307\u5b9a\u8981\u8bbe\u7f6e\u7684\u590d\u7528\u7387\u3002<br \/>\u2003\u2003\u590d\u7528\u7387\uff08MUX ratio\uff09\u5373\u9009\u901a\u7684 COM \u884c\u6570\uff0c\u4e0d\u80fd\u4f4e\u4e8e 16 \uff0c\u901a\u8fc7 A[5:0] \u6765\u6307\u5b9a\u3002<br \/>\u2003\u2003A[5:0] \u9ad8\u4e24\u4f4d\u65e0\u89c4\u5b9a\u89c6\u4e3a 0 \uff0c\u6240\u4ee5\u7b2c\u4e8c\u6761\u6307\u4ee4\u4ece 0FH~3FH \u7684\u53d6\u503c\u8bbe\u7f6e\u590d\u7528\u7387\u4e3a 1~64\uff08\u5373A[5:0]+1\uff09\u3002A[5:0] \u4ece 0 \u5230 14 \u7684\u53d6\u503c\u90fd\u662f\u65e0\u6548\u7684\u3002<\/p>\n<p><strong>5.\u8bbe\u7f6e\u5782\u76f4\u663e\u793a\u504f\u79fb<\/strong> \uff08\u6307\u4ee4\u4e3a \u201dD3H+A[5:0]\u201c \uff09<br \/>\u2003\u2003\u8fd9\u662f\u4e00\u6761\u53cc\u5b57\u8282\u7684\u6307\u4ee4\uff0c\u7531 A[5:0] \u6307\u5b9a\u504f\u79fb\u91cf\u3002<br \/>\u2003\u2003\u5782\u76f4\u663e\u793a\u504f\u79fb\u5373\u6574\u4e2a\u5c4f\u5e55\u5411\u4e0a\u79fb\u52a8\u7684\u884c\u6570\uff0c\u6700\u9876\u90e8\u7684\u884c\u4f1a\u79fb\u5230\u6700\u5e95\u884c\u3002<br \/>\u2003\u2003A[5:0] \u9ad8\u4e24\u4f4d\u65e0\u89c4\u5b9a\u89c6\u4e3a 0 \uff0c\u6240\u4ee5\u7b2c\u4e8c\u6761\u6307\u4ee4\u4ece 0FH~3FH \u7684\u53d6\u503c\u8bbe\u7f6e\u5782\u76f4\u504f\u79fb\u4e3a 0~63 \u3002<\/p>\n<p><strong>6.\u8bbe\u7f6eCOM\u786c\u4ef6\u914d\u7f6e<\/strong> \uff08\u6307\u4ee4\u4e3a \u201dDAH+A[5:4]\u201c \uff09<br \/>\u2003\u2003\u8fd9\u662f\u4e00\u6761\u53cc\u5b57\u8282\u6307\u4ee4\uff0c\u7531 A[5:4] \u8fdb\u884c\u8bbe\u7f6e\u3002<br \/>\u2003\u2003A[5] \u4f4d\u8bbe\u7f6e COM \u5de6\u53f3\u53cd\u7f6e\uff0cA[4] \u7528\u6765\u8bbe\u7f6e\u5e8f\u5217\/\u5907\u9009\u5f15\u811a\u914d\u7f6e\uff0c\u5176\u4ed6\u4f4d\u6709\u89c4\u5b9a\uff0c\u89c4\u5b9a\u5982\u4e0b\u6240\u793a\u3002<\/p>\n<p>\u2003\u2003SSD1306 \u7684 COMn \u5f15\u811a\u4e00\u5171\u6709\u5de6\u8fb9 COM32~COM63 \u548c\u53f3\u8fb9 COM0~COM31 \u5171 64 \u4e2a\uff08\u91d1\u624b\u6307\u9762\u671d\u4e0a\u65b9\uff09\u3002\u901a\u8fc7\u8bbe\u7f6e A[5] \u53ef\u4ee5\u8ba9\u5de6\u53f3 COM \u5f15\u811a\u7684\u8f93\u51fa\u4e92\u6362\u3002A[5]=0 \u65f6\u7981\u6b62\u5de6\u53f3\u53cd\u7f6e\uff0cA[5]=1 \u65f6\u542f\u7528\u5de6\u53f3\u53cd\u7f6e\u3002<br \/>\u2003\u2003COM \u5f15\u811a\u7684\u6392\u5217\u6709\u5e8f\u5217\u548c\u5947\u5076\u95f4\u9694\uff08\u5907\u9009\uff09\u4e24\u79cd\uff0c\u901a\u8fc7 A[4] \u8fdb\u884c\u8bbe\u7f6e\u3002A[4]=0 \u65f6\u4f7f\u7528\u5e8f\u5217 COM \u5f15\u811a\u914d\u7f6e\uff0cA[5]=1 \u65f6\u4f7f\u7528\u5947\u5076\u95f4\u9694\uff08\u5907\u9009\uff09COM \u5f15\u811a\u914d\u7f6e\u3002<\/p>\n<h4>3.5.3 \u5730\u5740\u6307\u4ee4<\/h4>\n<p><strong>1.\u8bbe\u7f6eGDDRAM\u5bfb\u5740\u6a21\u5f0f<\/strong> \uff08\u6307\u4ee4\u4e3a \u201c20H+A[1:0]\u201d \uff09<br \/>\u2003\u8fd9\u662f\u4e00\u6761\u53cc\u5b57\u8282\u7684\u6307\u4ee4\uff0c\u7531 A[1:0] \u6307\u5b9a\u8981\u8bbe\u7f6e\u7684\u5730\u5740\u6a21\u5f0f\u3002<br \/>\u2003\u2003A[1:0]=00b \u65f6\u4e3a\u6c34\u5e73\u5730\u5740\u6a21\u5f0f\uff1b<\/p>\n<p>\u200b        A[1:0]=01b \u65f6\u4e3a\u5782\u76f4\u5730\u5740\u6a21\u5f0f\uff1b<\/p>\n<p>\u200b        A[1:0]=10b \u65f6\u4e3a\u9875\u5730\u5740\u6a21\u5f0f\uff1b<\/p>\n<p>\u200b        A[1:0]=11b \u65f6\u4e3a\u65e0\u6548\u6307\u4ee4\uff1b<br \/>\u2003\u7531\u4e8e\u7b2c\u4e8c\u6761\u6307\u4ee4\u524d 6 \u4f4d\u503c\u65e0\u89c4\u5b9a\uff0c\u6240\u4ee5\u76f4\u63a5\u7528 0 \u66ff\u4ee3\uff0c\u53ef\u4ee5\u5f97\u5230\uff1a00H- \u6c34\u5e73\uff1b01H- \u5782\u76f4\uff1b02H \u9875\u3002<\/p>\n<p><strong>2.\u8bbe\u7f6e\u8d77\u59cb\/\u7ec8\u6b62\u5217\u5730\u5740<\/strong> \uff08\u6307\u4ee4\u4e3a \u201d21H+A[6:0]+B[6:0]\u201c \uff09<br \/>\u2003\u2003\u8fd9\u662f\u4e00\u6761\u4e09\u5b57\u8282\u7684\u6307\u4ee4\uff0c\u7531 A[6:0] \u6307\u5b9a\u8d77\u59cb\u5217\u5730\u5740\uff0cB[6:0] \u6307\u5b9a\u7ec8\u6b62\u5217\u5730\u5740\u3002<br \/>\u2003\u2003\u540c\u6837\uff0c\u7531\u4e8e\u524d 1 \u4f4d\u503c\u65e0\u89c4\u5b9a\uff0c\u6240\u4ee5\uff1aA[6:0] \u548c B[6:0] \u4ece 00H~7FH \u7684\u53d6\u503c\u6307\u5b9a\u8d77\u59cb\/\u7ec8\u6b62\u5217\u5730\u5740\u4e3a 0~127\u3002<br \/>\u2003\u2003\u8fd9\u6761\u6307\u4ec5\u5728\u6c34\u5e73\/\u5782\u76f4\u6a21\u5f0f\u4e0b\u6709\u6548\uff0c\u7528\u6765\u8bbe\u7f6e\u6c34\u5e73\/\u5782\u76f4\u6a21\u5f0f\u7684\u521d\u59cb\u5217\u548c\u7ed3\u675f\u5217<\/p>\n<p><strong>3.\u8bbe\u7f6e\u8d77\u59cb\/\u7ec8\u6b62\u9875\u5730\u5740<\/strong> \uff08\u6307\u4ee4\u4e3a \u201c22H+A[2:0]+B[2:0]\u201c \uff09<br \/>\u2003\u2003\u8fd9\u662f\u4e00\u6761\u4e09\u5b57\u8282\u7684\u6307\u4ee4\uff0c\u7531 A[2:0] \u6307\u5b9a\u8d77\u59cb\u4e5f\u5730\u5740\uff0cB[2:0] \u6307\u5b9a\u7ec8\u6b62\u9875\u5730\u5740\u3002<br \/>\u2003\u2003\u7531\u4e8e\u524d 5 \u4f4d\u503c\u65e0\u89c4\u5b9a\uff0c\u6240\u4ee5\uff1aA[2:0]\u548cB[2:0]\u4ece 00H~07H \u7684\u53d6\u503c\u6307\u5b9a\u8d77\u59cb\/\u7ec8\u6b62\u9875\u5730\u5740\u4e3a 0~7\u3002<br \/>\u2003\u2003\u8fd9\u6761\u6307\u4ec5\u5728\u6c34\u5e73\/\u5782\u76f4\u6a21\u5f0f\u4e0b\u6709\u6548\uff0c\u7528\u6765\u8bbe\u7f6e\u6c34\u5e73\/\u5782\u76f4\u6a21\u5f0f\u7684\u521d\u59cb\u9875\u548c\u7ed3\u675f\u9875<\/p>\n<p><strong>4.\u8bbe\u7f6e\u8d77\u59cb\u5217\u5730\u5740\u4f4e\u4f4d<\/strong> \uff08\u6307\u4ee4\u4e3a \u201d00H~0FH\u201c \uff09<br \/>\u2003\u2003\u8fd9\u662f\u4e00\u6761\u5355\u5b57\u8282\u7684\u6307\u4ee4\u3002<br \/>\u2003\u2003\u9ad8 4 \u4f4d\u6052\u5b9a\u4e3a 0H\uff0c\u4f4e4\u4f4d\u4e3a\u8981\u8bbe\u7f6e\u7684\u8d77\u59cb\u5217\u5730\u5740\u7684\u4f4e 4 \u4f4d\u3002\u8fd9\u6761\u6307\u4ee4\u4ec5\u7528\u4e8e\u9875\u5bfb\u5740\u6a21\u5f0f\u3002<\/p>\n<p><strong>5.\u8bbe\u7f6e\u8d77\u59cb\u5217\u5730\u5740\u9ad8\u4f4d<\/strong> \uff08\u6307\u4ee4\u4e3a \u201d10H~1FH\u201c \uff09<br \/>\u2003\u2003\u8fd9\u662f\u4e00\u6761\u5355\u5b57\u8282\u7684\u6307\u4ee4<br \/>\u2003\u2003\u9ad8 4 \u4f4d\u6052\u5b9a\u4e3a 1H \uff0c\u4f4e 4 \u4f4d\u4e3a\u8981\u8bbe\u7f6e\u7684\u8d77\u59cb\u5217\u5730\u5740\u7684\u9ad8 4 \u4f4d\u3002\u8fd9\u6761\u6307\u4ee4\u4ec5\u7528\u4e8e\u9875\u5bfb\u5740\u6a21\u5f0f\u3002<\/p>\n<p><strong>6.\u8bbe\u7f6e\u9875\u5730\u5740<\/strong> \uff08\u6307\u4ee4\u4e3a \u201dB0H~B7H\u201c \uff09<br \/>\u2003\u2003\u8fd9\u662f\u4e00\u6761\u5355\u5b57\u8282\u7684\u6307\u4ee4<br \/>\u2003\u2003\u9ad8 4 \u4f4d\u6052\u5b9a\u4e3a BH\uff0c\u7b2c 5 \u4f4d\u89c4\u5b9a\u4e3a 0 \uff0c\u4f4e 3\u4f4d\u7528\u4e8e\u8bbe\u7f6e\u9875\u5730\u5740\uff0c\u4ece B0H~B7H \u5206\u522b\u8bbe\u7f6e\u8d77\u59cb\u9875\u4e3a 0~7\u3002\u8fd9\u6761\u6307\u4ee4\u4ec5\u7528\u4e8e\u9875\u5bfb\u5740\u6a21\u5f0f\u4e0b\u3002<\/p>\n<h4>3.5.4 \u65f6\u5e8f\u6307\u4ee4<\/h4>\n<p><strong>1.\u8bbe\u7f6e\u663e\u793a\u65f6\u949f\u5206\u9891\u6570\u548cfosc<\/strong> \uff08\u6307\u4ee4\u4e3a \u201dD5H+A[7:0]\u201c \uff09<\/p>\n<p>\u200b        \u8fd9\u662f\u4e00\u6761\u53cc\u5b57\u8282\u7684\u6307\u4ee4\uff0c\u5b83\u7528\u4e8e\u8bbe\u7f6e\u663e\u793a\u65f6\u949f\u5206\u9891\u6570\u548c\u632f\u8361\u5668\u9891\u7387\u7684\u3002<\/p>\n<p>\u200b        A[3:0]\u7528\u4e8e\u6307\u5b9a\u5206\u9891\u6570\uff0c\u5206\u9891\u6570 = A[3:0]+1 \u3002<\/p>\n<p>\u200b        A[7:4]\u7528\u4e8e\u6307\u5b9a\u632f\u8361\u9891\u7387\uff0c\u632f\u8361\u9891\u7387 = A[7:4] \u3002<\/p>\n<p><strong>2.\u8bbe\u7f6e\u9884\u5145\u7535\u5468\u671f<\/strong> \uff08\u6307\u4ee4\u4e3a \u201dD9H+A[7:0]\u201c \uff09<\/p>\n<p>\u200b        \u8fd9\u662f\u4e00\u6761\u53cc\u5b57\u8282\u7684\u6307\u4ee4\uff0c\u7528\u4e8e\u8bbe\u7f6e\u9884\u5145\u7535\u5468\u671f\u7684\u3002<\/p>\n<p>\u200b       \u5728\u9884\u5145\u7535\u671f\u95f4\u7684\u6301\u7eed\u65f6\u95f4\u662f\u4ee5 DCLK \u7684\u6570\u91cf\u8ba1\u7b97\u7684\u3002\u590d\u4f4d\u503c\u4e3a 2 DCLK \u3002<\/p>\n<p><strong>3.\u8bbe\u7f6eVCOMH\u8f93\u51fa\u7684\u9ad8\u7535\u5e73<\/strong> \uff08\u6307\u4ee4\u4e3a \u201dDBH+A[6:4]\u201c \uff09<\/p>\n<p>\u200b        \u8fd9\u662f\u4e00\u6761\u53cc\u5b57\u8282\u7684\u6307\u4ee4\uff0c\u7528\u4e8e\u8bbe\u7f6e Vcomh \u8f93\u51fa\u7684\u3002<\/p>\n<p><strong>4.\u7a7a\u64cd\u4f5c<\/strong> \uff08\u6307\u4ee4\u4e3a \u201dE3H\u201c \uff09<\/p>\n<p>\u200b        \u8fd9\u662f\u4e00\u6761\u5355\u5b57\u8282\u7684\u6307\u4ee4\uff0c\u5b83\u6ca1\u6709\u4efb\u4f55\u64cd\u4f5c\u3002<\/p>\n<h4>3.5.5 \u6eda\u52a8\u6307\u4ee4<\/h4>\n<p><strong>1.\u7981\u6b62\u6c34\u5e73\u6eda\u52a8<\/strong>\uff08\u6307\u4ee4\u4e3a \u201d2EH\u201c \uff09<\/p>\n<p>\u2003\u2003\u8fd9\u662f\u4e00\u6761\u5355\u5b57\u8282\u7684\u6307\u4ee4\uff0c\u5b83\u7528\u4e8e\u7981\u6b62\u6c34\u5e73\u6eda\u52a8\u3002<\/p>\n<p>\u2003\u2003\u505c\u6b62\u7531\u6307\u4ee4 26H\/27H\/29H\/2AH \u914d\u7f6e\u7684\u6eda\u52a8\u3002\uff08\u901a\u8fc7\u8fd9\u6761\u547d\u4ee4\u7684\u505c\u6b62\u6eda\u52a8\u540e\u9700\u8981\u91cd\u5199 GDDRAM \u4e2d\u7684\u5185\u5bb9\uff09<\/p>\n<p><strong>2.\u542f\u7528\u6c34\u5e73\u6eda\u52a8<\/strong>\uff08\u6307\u4ee4\u4e3a \u201d2FH\u201c \uff09<\/p>\n<p>\u2003\u2003\u8fd9\u662f\u4e00\u6761\u5355\u5b57\u8282\u7684\u6307\u4ee4\uff0c\u5b83\u7528\u4e8e\u542f\u7528\u6c34\u5e73\u6eda\u52a8\u3002<\/p>\n<p>\u2003\u2003\u542f\u7528\u7531\u6307\u4ee4 26H\/27H\/29H\/2AH \u914d\u7f6e\u7684\u6eda\u52a8\u3002\uff08\u540e\u4e00\u4e2a\u914d\u7f6e\u4f1a\u8986\u76d6\u524d\u9762\u7684\u914d\u7f6e\u3002\u6b63\u786e\u7684\u547d\u4ee4\u5e8f\u5217\u5e94\u8be5\u662f\uff1a\u914d\u7f6e\u547d\u4ee4 -&gt; \u542f\u52a8\u547d\u4ee4\uff0c\u4f8b\u5982\uff1a2AH\uff0c2FH \uff09\u3002<\/p>\n<p><strong>3.\u8fde\u7eed\u6c34\u5e73\u6eda\u52a8\u8bbe\u7f6e<\/strong>\uff08\u6307\u4ee4\u4e3a \u201d26H\/27H+A[7:0]+B[2:0]+C[2:0]+D[2:0]+E[7:0]+F[7:0]\u201c \uff09<\/p>\n<p>\u2003\u2003\u8fd9\u662f\u4e00\u6761\u4e03\u5b57\u8282\u7684\u6307\u4ee4\uff0c\u5b83\u7528\u4e8e\u8bbe\u7f6e\u8fde\u7eed\u6c34\u5e73\u6eda\u52a8\u3002<\/p>\n<p>\u2003\u200326H \u4e3a\u6c34\u5e73\u53f3\u6eda\u52a8\uff0c27H \u4e3a\u6c34\u5e73\u5de6\u6eda\u52a8\u3002\uff08\u6bcf\u6b21\u6c34\u5e73\u6eda\u52a8\u7684\u65f6\u5019\u53ea\u6eda\u52a8 1 \u5217\uff09\u3002<\/p>\n<p>\u2003\u2003A[7:0]\uff1a\u4e3a\u7a7a\u6bd4\u7279\uff0c\u8981\u8bbe\u4e3a 00H \u3002<\/p>\n<p>\u2003\u2003B[2:0]\uff1a\u8bbe\u7f6e\u6eda\u52a8\u8d77\u59cb\u9875\u5730\u5740 \uff08\u8d77\u59cb\u9875\u5fc5\u987b\u8981\u5c0f\u4e8e\u7ed3\u675f\u9875\uff09\u3002<\/p>\n<p>\u8f93\u5165\u6307\u4ee4 \uff08 00H~07H \uff09\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th>\u6307\u4ee4<\/th>\n<th>00H<\/th>\n<th>01H<\/th>\n<th>02H<\/th>\n<th>03H<\/th>\n<th>04H<\/th>\n<th>05H<\/th>\n<th>06H<\/th>\n<th>07H<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u8868\u793a<\/strong><\/td>\n<td>PAGE0<\/td>\n<td>PAGE1<\/td>\n<td>PAGE2<\/td>\n<td>PAGE3<\/td>\n<td>PAGE4<\/td>\n<td>PAGE5<\/td>\n<td>PAGE6<\/td>\n<td>PAGE7<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u2003\u2003C[2:0]\uff1a\u8bbe\u7f6e\u6eda\u52a8\u901f\u5ea6\uff08\u591a\u5c11\u5e27\u6eda\u52a8\u4e00\u6b21\uff09\u3002<\/p>\n<p>\u8f93\u5165\u6307\u4ee4\uff08 00H~07H \uff09\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th>\u6307\u4ee4<\/th>\n<th>00H<\/th>\n<th>01H<\/th>\n<th>02H<\/th>\n<th>03H<\/th>\n<th>04H<\/th>\n<th>05H<\/th>\n<th>06H<\/th>\n<th>07H<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u8868\u793a<\/strong><\/td>\n<td>5\u5e27<\/td>\n<td>64\u5e27<\/td>\n<td>128\u5e27<\/td>\n<td>256\u5e27<\/td>\n<td>3\u5e27<\/td>\n<td>4\u5e27<\/td>\n<td>25\u5e27<\/td>\n<td>2\u5e27<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u2003\u2003D[2:0]\uff1a\u8bbe\u7f6e\u6eda\u52a8\u7ed3\u675f\u9875\u5730\u5740\uff08\u7ed3\u675f\u9875\u5fc5\u987b\u8981\u5927\u4e8e\u8d77\u59cb\u9875\uff09<\/p>\n<p>\u8f93\u5165\u6307\u4ee4 \uff08 00H~07H \uff09\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th>\u6307\u4ee4<\/th>\n<th>00H<\/th>\n<th>01H<\/th>\n<th>02H<\/th>\n<th>03H<\/th>\n<th>04H<\/th>\n<th>05H<\/th>\n<th>06H<\/th>\n<th>07H<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u8868\u793a<\/strong><\/td>\n<td>PAGE0<\/td>\n<td>PAGE1<\/td>\n<td>PAGE2<\/td>\n<td>PAGE3<\/td>\n<td>PAGE4<\/td>\n<td>PAGE5<\/td>\n<td>PAGE6<\/td>\n<td>PAGE7<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u2003\u2003E[7:0]\uff1a\u4e3a\u7a7a\u6bd4\u7279\uff0c\u8981\u8bbe\u4e3a 00H \u3002<\/p>\n<p>\u2003\u2003F[7:0]\uff1a\u4e3a\u7a7a\u6bd4\u7279\uff0c\u8981\u8bbe\u4e3a FFH \u3002<\/p>\n<p><strong>4.\u8fde\u7eed\u6c34\u5e73\u548c\u5782\u76f4\u6eda\u52a8\u8bbe\u7f6e<\/strong>\uff08\u6307\u4ee4\u4e3a \u201d29H\/2AH+A[7:0]+B[2:0]+C[2:0]+D[2:0]+E[5:0]\u201c \uff09<\/p>\n<p>\u2003\u2003\u8fd9\u662f\u4e00\u6761\u516d\u5b57\u8282\u7684\u6307\u4ee4\uff0c\u5b83\u7528\u4e8e\u8bbe\u7f6e\u8fde\u7eed\u6c34\u5e73\u548c\u5782\u76f4\u6eda\u52a8\u3002<\/p>\n<p>\u200b        A[7:0]\uff1a\u4e3a\u7a7a\u6bd4\u7279\uff0c\u8981\u8bbe\u4e3a 00H \u3002<\/p>\n<p>\u2003\u2003B[2:0]\uff1a\u8bbe\u7f6e\u6eda\u52a8\u8d77\u59cb\u9875\u5730\u5740 \uff08\u8d77\u59cb\u9875\u5fc5\u987b\u8981\u5c0f\u4e8e\u7ed3\u675f\u9875\uff09\u3002<\/p>\n<p>\u8f93\u5165\u6307\u4ee4 \uff08 00H~07H \uff09\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th>\u6307\u4ee4<\/th>\n<th>00H<\/th>\n<th>01H<\/th>\n<th>02H<\/th>\n<th>03H<\/th>\n<th>04H<\/th>\n<th>05H<\/th>\n<th>06H<\/th>\n<th>07H<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u8868\u793a<\/strong><\/td>\n<td>PAGE0<\/td>\n<td>PAGE1<\/td>\n<td>PAGE2<\/td>\n<td>PAGE3<\/td>\n<td>PAGE4<\/td>\n<td>PAGE5<\/td>\n<td>PAGE6<\/td>\n<td>PAGE7<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u2003\u2003C[2:0]\uff1a\u8bbe\u7f6e\u6eda\u52a8\u901f\u5ea6\uff08\u591a\u5c11\u5e27\u6eda\u52a8\u4e00\u6b21\uff09\u3002<\/p>\n<p>\u8f93\u5165\u6307\u4ee4\uff08 00H~07H \uff09\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th>\u6307\u4ee4<\/th>\n<th>00H<\/th>\n<th>01H<\/th>\n<th>02H<\/th>\n<th>03H<\/th>\n<th>04H<\/th>\n<th>05H<\/th>\n<th>06H<\/th>\n<th>07H<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u8868\u793a<\/strong><\/td>\n<td>5\u5e27<\/td>\n<td>64\u5e27<\/td>\n<td>128\u5e27<\/td>\n<td>256\u5e27<\/td>\n<td>3\u5e27<\/td>\n<td>4\u5e27<\/td>\n<td>25\u5e27<\/td>\n<td>2\u5e27<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u2003\u2003D[2:0]\uff1a\u8bbe\u7f6e\u6eda\u52a8\u7ed3\u675f\u9875\u5730\u5740\uff08\u7ed3\u675f\u9875\u5fc5\u987b\u8981\u5927\u4e8e\u8d77\u59cb\u9875\uff09<\/p>\n<p>\u8f93\u5165\u6307\u4ee4 \uff08 00H~07H \uff09\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th>\u6307\u4ee4<\/th>\n<th>00H<\/th>\n<th>01H<\/th>\n<th>02H<\/th>\n<th>03H<\/th>\n<th>04H<\/th>\n<th>05H<\/th>\n<th>06H<\/th>\n<th>07H<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u8868\u793a<\/strong><\/td>\n<td>PAGE0<\/td>\n<td>PAGE1<\/td>\n<td>PAGE2<\/td>\n<td>PAGE3<\/td>\n<td>PAGE4<\/td>\n<td>PAGE5<\/td>\n<td>PAGE6<\/td>\n<td>PAGE7<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u2003\u2003E[5:0]\uff1a\u8bbe\u7f6e\u5782\u76f4\u504f\u79fb\u91cf\uff0c00H~3FH \u8868\u793a\u5782\u76f4\u504f\u79fb\u91cf\u4e3a 0~63 \u884c\uff08\u4e3a 0 \u65f6\u5219\u65e0\u5782\u76f4\u6eda\u52a8\uff09\u3002<\/p>\n<p><strong>5.\u8bbe\u7f6e\u5782\u76f4\u6eda\u52a8\u533a\u57df<\/strong> \uff08\u6307\u4ee4\u4e3a \u201dA3H\u201c \uff09<\/p>\n<p>\u2003\u2003\u8fd9\u662f\u4e00\u6761\u5355\u5b57\u8282\u7684\u6307\u4ee4\uff0c\u5b83\u7528\u4e8e\u8bbe\u7f6e\u5782\u76f4\u6eda\u52a8\u7684\u533a\u57df\u3002<\/p>\n<p>\u2003\u2003A[5:0]\uff1a\u8bbe\u7f6e\u9876\u90e8\u56fa\u5b9a\u533a\u57df\u884c\u6570\uff0cA[5:0]+B[6:0] &lt; MUX ratio \/\u590d\u7528\u7387\u3002<\/p>\n<p>\u2003\u2003B[6:0]\uff1a\u8bbe\u7f6e\u6eda\u52a8\u533a\u57df\u884c\u6570\uff0c\u5782\u76f4\u6eda\u52a8\u504f\u79fb\u5fc5\u987b\u8981\u5c0f\u4e8e\u6eda\u52a8\u533a\u57df\u884c\u6570\u3002<\/p>\n<h2>4. \u9879\u76ee\u5b9e\u6218<\/h2>\n<h3>4.1 \u786c\u4ef6\u51c6\u5907<\/h3>\n<p>\u672c\u6559\u7a0b\u4f7f\u7528\u7684\u786c\u4ef6\u5982\u4e0b\uff1a<\/p>\n<ul>\n<li>\u5355\u7247\u673a\uff1aSTM32F103C8T6<\/li>\n<li>\u5c4f\u5e55\uff1a0.96 OLED \u6a21\u5757<\/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\">OLED<\/th>\n<th align=\"center\">STM32F103C8T6<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td align=\"center\">GND<\/td>\n<td align=\"center\">GND<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">VCC<\/td>\n<td align=\"center\">3.3<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">SCL<\/td>\n<td align=\"center\">B8<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">SDA<\/td>\n<td align=\"center\">B9<\/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=jxrMhNbDwHFa5Cd41oNCpQ%3D%3D.qtejh0d%2Bj8%2BaJvVRIYwQzBVXMWfspbcMAjxLGQvzxWtJ4JAqk%2F%2Fe2nsJ3EO%2FQJnWvy9eBQQ78iQmYKKRNOFvddPWFxO8D1WMDup0WOoQQ5s%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=\"490\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVdfNtm\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<h3>4.2 \u521d\u59cb\u5316OLED<\/h3>\n<p>\u9996\u5148\u6211\u4eec\u9700\u8981\u4e3a OLED \u5c4f\u5e55\u6a21\u5757\u505a\u521d\u59cb\u5316\u624d\u80fd\u591f\u4f7f\u7528\u30020.96 \u5bf8 OLED \u5c4f\u5e55\u6a21\u5757\u7684\u9a71\u52a8\u7f51\u4e0a\u4e00\u5927\u5806\uff0c\u968f\u4fbf\u4e0b\u8f7d\u4e00\u4e2a\u79fb\u690d\u5373\u53ef\uff0c\u6216\u8005\u4f7f\u7528\u672c\u6587\u63d0\u4f9b\u7684\u6e90\u7801 oled.c \u3002<\/p>\n<p>\u9996\u5148\u9700\u8981\u521b\u5efa\u4e00\u4e2a oled.c \u548c oled.h \u7684\u6587\u4ef6\u3002<\/p>\n<p>\u6253\u5f00 oled.h \uff0c\u6211\u4eec\u9700\u8981\u5148\u914d\u7f6e\u5f15\u811a\u3002\u672c\u6587\u5c06\u4f7f\u7528 B8 \u548c B9\uff0coled.h \u7684\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<pre><code class=\"c\">#ifndef __OLED_H_\n#define __OLED_H_\n\n#include &quot;stm32f1xx_hal.h&quot;\n\n#define OLED_ADDRESS    0x78     \/\/oled\u5730\u5740(0x78\/0x7A)\n\n#define OLED_I2C_SCL_CLK()        __HAL_RCC_GPIOB_CLK_ENABLE()\n#define OLED_I2C_SCL_GPIO          GPIOB\n#define OLED_I2C_SCL_PIN           GPIO_PIN_8\n\n#define OLED_I2C_SDA_CLK()       __HAL_RCC_GPIOB_CLK_ENABLE()\n#define OLED_I2C_SDA_GPIO          GPIOB\n#define OLED_I2C_SDA_PIN           GPIO_PIN_9\n\n#define OLED_SCL_RESET()         HAL_GPIO_WritePin(OLED_I2C_SCL_GPIO,OLED_I2C_SCL_PIN,GPIO_PIN_RESET)  \/\/SCL\n#define OLED_SCL_SET()             HAL_GPIO_WritePin(OLED_I2C_SCL_GPIO,OLED_I2C_SCL_PIN,GPIO_PIN_SET)\n\n#define OLED_SDA_RESET()         HAL_GPIO_WritePin(OLED_I2C_SDA_GPIO,OLED_I2C_SDA_PIN,GPIO_PIN_RESET)  \/\/SDA\n#define OLED_SDA_SET()             HAL_GPIO_WritePin(OLED_I2C_SDA_GPIO,OLED_I2C_SDA_PIN,GPIO_PIN_SET)\n\nvoid OLED_Display_On(void);                                                        \/\/\u5f00\u542fOLED\u663e\u793a\nvoid OLED_Display_Off(void);                                                    \/\/\u5173\u95edOLED\u663e\u793a\nvoid OLED_Init(void);                                                            \/\/OLED\u521d\u59cb\u5316\nvoid OLED_Fill(uint8_t fill_Data);                                                \/\/\u586b\u5145\u5168\u5c4f\uff08\u6e05\u9664\u5c4f\u5e55\uff09\nvoid OLED_Show_Char(uint8_t x, uint8_t y, uint8_t num, uint8_t size);            \/\/\u663e\u793a\u4e00\u4e2a\u5b57\u7b26\nvoid OLED_Show_ChineseFont(uint8_t x, uint8_t y, uint8_t N, uint8_t size);        \/\/\u663e\u793a\u6c49\u5b57\nvoid OLED_DrawBMP(uint8_t x0,uint8_t y0,uint8_t x1,uint8_t y1,uint8_t *bmp);    \/\/\u663e\u793a\u56fe\u7247\n\n#endif\n<\/code><\/pre>\n<p>\u5728 oled.c \u4e2d\uff0c\u6211\u4eec\u9700\u8981\u521d\u59cb\u5316\u4e00\u4e0b GPIO \u5f15\u811a\uff0c\u5982\u4e0b\uff1a<\/p>\n<pre><code class=\"c\">void OLED_IO_Init(void)         \/\/\u521d\u59cb\u5316\u5f15\u811a\n{\n    GPIO_InitTypeDef GPIO_Initure;\n\n    OLED_I2C_SCL_CLK();                                     \/\/\u5f00\u542fSCL\u65f6\u949f\n    GPIO_Initure.Pin=OLED_I2C_SCL_PIN;                      \/\/\u914d\u7f6eSCL\u5f15\u811a\n    GPIO_Initure.Mode=GPIO_MODE_OUTPUT_PP;                  \/\/\u63a8\u633d\u8f93\u51fa\n    GPIO_Initure.Pull=GPIO_PULLUP;                          \/\/\u4e0a\u62c9\n    GPIO_Initure.Speed=GPIO_SPEED_FREQ_HIGH;                \/\/\u9ad8\u901f\n    HAL_GPIO_Init(OLED_I2C_SCL_GPIO, &amp;GPIO_Initure);\n    \n    OLED_I2C_SDA_CLK();                                     \/\/\u5f00\u542fSDA\u65f6\u949f\n    GPIO_Initure.Pin=OLED_I2C_SDA_PIN;                      \/\/\u914d\u7f6eSDA\u5f15\u811a\n    HAL_GPIO_Init(OLED_I2C_SDA_GPIO, &amp;GPIO_Initure);\n}<\/code><\/pre>\n<p>\u521d\u59cb\u5316\u5b8c\u6210\u4e4b\u540e\u6211\u4eec\u9700\u8981\u914d\u7f6e\u4e00\u4e2a I2C \u901a\u4fe1\u534f\u8bae\u7528\u4e8e\u4e3a OLED \u5c4f\u5e55\u6a21\u5757\u7684\u901a\u4fe1\u3002<\/p>\n<p>\u9996\u5148\u9700\u8981\u914d\u7f6e\u65f6\u5e8f\uff0c\u5982\u4e0b\uff1a<\/p>\n<pre><code class=\"c\">void OLED_I2C_Start(void)       \/\/\u53d1\u9001\u8d77\u59cb\u4fe1\u53f7\n{\n    OLED_SCL_SET();\n    OLED_SDA_SET();\n    OLED_SDA_RESET();\n    OLED_SCL_RESET();\n}\n\nvoid OLED_I2C_Stop(void)        \/\/\u53d1\u9001\u505c\u6b62\u4fe1\u53f7\n{\n    OLED_SCL_SET() ;\n    OLED_SDA_RESET();\n    OLED_SDA_SET();\n}\n\nvoid OLED_I2C_Ack(void)         \/\/\u5e94\u7b54\u4fe1\u53f7\n{\n    OLED_SCL_SET();\n    OLED_SCL_RESET();\n}\n\nvoid OLED_I2C_WriteByte(uint8_t data)        \/\/\u5199\u5165\u4e00\u4e2a\u5b57\u8282\n{\n    uint8_t i;\n    uint8_t m,da;\n    da = data;\n    OLED_SCL_RESET();\n    for(i = 0; i &lt; 8; i++)\n    {\n        m = da;\n        m = m&amp;0x80;\n        if(m == 0x80)\n          OLED_SDA_SET();\n        else \n            OLED_SDA_RESET();\n            da = da &lt;&lt; 1;\n          OLED_SCL_SET();\n          OLED_SCL_RESET();\n    }\n}\n\nvoid OLED_WriteCmd(uint8_t Cmd)            \/\/\u5199\u547d\u4ee4\n{\n    OLED_I2C_Start();\n    OLED_I2C_WriteByte(0x78);\n    OLED_I2C_Ack();\n    OLED_I2C_WriteByte(0x00);\n    OLED_I2C_Ack();\n    OLED_I2C_WriteByte(Cmd); \n    OLED_I2C_Ack();\n    OLED_I2C_Stop();\n}\n\nvoid OLED_WriteDat(uint8_t Data)        \/\/\u5199\u6570\u636e\n{ \n    OLED_I2C_Start();\n    OLED_I2C_WriteByte(0x78);\n    OLED_I2C_Ack();\n    OLED_I2C_WriteByte(0x40);\n    OLED_I2C_Ack();\n    OLED_I2C_WriteByte(Data); \n    OLED_I2C_Ack();\n    OLED_I2C_Stop();\n}<\/code><\/pre>\n<p>\u8fd9\u6837\uff0cOLED \u5c4f\u5e55\u6a21\u5757\u7684\u901a\u4fe1\u534f\u8bae\u5c31\u914d\u7f6e\u597d\u4e86\u3002<\/p>\n<p>\u63a5\u7740\u6211\u4eec\u9700\u8981\u914d\u7f6e OLED \u5c4f\u5e55\u6a21\u5757\u7684\u521d\u59cb\u5316\uff0c\u4ece\u4e0a\u6587\u7684 OLED \u6a21\u5757\u5b66\u4e60\u4e2d\u6211\u4eec\u5f97\u77e5\uff0cOLED \u5c4f\u5e55\u6a21\u5757\u9700\u8981\u7ed9 SSD1306 \u9a71\u52a8\u6a21\u5757\u914d\u7f6e\u5b8c\u624d\u80fd\u4f7f\u7528\uff0c\u914d\u7f6e\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<pre><code class=\"c\">void OLED_Display_On(void)\/\/\u5f00\u542fOLED\u663e\u793a\n{\n    OLED_WriteCmd(0x8D);  \/\/\u8bbe\u7f6e\u7535\u8377\u6cf5\n    OLED_WriteCmd(0x14);  \/\/\u5f00\u542f\u7535\u8377\u6cf5\n    OLED_WriteCmd(0xAF);  \/\/\u5f00\u542f\u663e\u793a,\u5524\u9192\n}\n  \nvoid OLED_Display_Off(void)\/\/\u5173\u95edOLED\u663e\u793a\n{\n    OLED_WriteCmd(0x8D);  \/\/\u8bbe\u7f6e\u7535\u8377\u6cf5\n    OLED_WriteCmd(0x10);  \/\/\u5173\u95ed\u7535\u8377\u6cf5\n    OLED_WriteCmd(0xAE);  \/\/\u5173\u95ed\u663e\u793a,\u4f11\u7720\n}\n\nvoid OLED_Init(void)          \/\/OLED\u521d\u59cb\u5316\n{\n    OLED_IO_Init();           \/\/\u521d\u59cb\u5316IIC\u63a5\u53e3\n    \n    delay_ms(100);               \/\/\u5ef6\u65f6,\u5f88\u91cd\u8981,\u4fdd\u8bc1oled\u51c6\u5907\u5c31\u7eea\n    \n    OLED_WriteCmd(0xAE);      \/\/\u5173\u95ed\u663e\u793a\n    OLED_WriteCmd(0x20);      \/\/\u8bbe\u7f6e\u5185\u5b58\u5730\u5740\u6a21\u5f0f    \n    OLED_WriteCmd(0x02);      \/\/[1:0],00\uff0c\u5217\u5730\u5740\u6a21\u5f0f;01\uff0c\u884c\u5730\u5740\u6a21\u5f0f;10,\u9875\u5730\u5740\u6a21\u5f0f;\u9ed8\u8ba410;\n    OLED_WriteCmd(0xB0);      \/\/Set Page Start Address for Page Addressing Mode,0-7\n    OLED_WriteCmd(0xC8);      \/\/\u8bbe\u7f6eCOM\u626b\u63cf\u65b9\u5411;bit3:0,\u666e\u901a\u6a21\u5f0f;1,\u91cd\u5b9a\u4e49\u6a21\u5f0f COM[N-1]-&gt;COM0;N:\u9a71\u52a8\u8def\u6570\n    OLED_WriteCmd(0x00);      \/\/\u8bbe\u7f6e\u5217\u4f4e\u5730\u5740\n    OLED_WriteCmd(0x10);      \/\/\u8bbe\u7f6e\u5217\u9ad8\u5730\u5740\n    OLED_WriteCmd(0x40);      \/\/\u8bbe\u5b9a\u5f00\u59cb\u884c\u5730\u5740\n    OLED_WriteCmd(0x81);      \/\/\u5bf9\u6bd4\u5ea6\u8bbe\u7f6e\n    OLED_WriteCmd(0xFF);      \/\/\u4eae\u5ea6\u8c03\u8282 0x00~0xff,\u8d8a\u5927\u8d8a\u4eae\n    OLED_WriteCmd(0xA1);      \/\/\u6bb5\u91cd\u5b9a\u4e49\u8bbe\u7f6e,bit0:0,0-&gt;0;1,0-&gt;127\n    OLED_WriteCmd(0xA6);      \/\/\u8bbe\u7f6e\u663e\u793a\u65b9\u5f0f;bit0:1,\u53cd\u76f8\u663e\u793a;0,\u6b63\u5e38\u663e\u793a    \n    OLED_WriteCmd(0xA8);      \/\/--set multiplex ratio(1 to 64)\n    OLED_WriteCmd(0x3F);      \/\/\u9ed8\u8ba40X3F(1\/64) \n    OLED_WriteCmd(0xA4);      \/\/0xa4,Output follows RAM content;0xa5,Output ignores RAM content\n    OLED_WriteCmd(0xD3);      \/\/\u8bbe\u7f6e\u663e\u793a\u504f\u79fb\n    OLED_WriteCmd(0x00);      \/\/-not offset\n    OLED_WriteCmd(0xD5);      \/\/\u8bbe\u7f6e\u663e\u793a\u65f6\u949f\u5206\u9891\u56e0\u5b50,\u9707\u8361\u9891\u7387\n    OLED_WriteCmd(0xF0);      \/\/--set divide ratio\n    OLED_WriteCmd(0xD9);      \/\/\u8bbe\u7f6e\u9884\u5145\u7535\u5468\u671f\n    OLED_WriteCmd(0x22);\n    OLED_WriteCmd(0xDA);      \/\/\u8bbe\u7f6eCOM\u786c\u4ef6\u5f15\u811a\u914d\u7f6e\n    OLED_WriteCmd(0x12);\n    OLED_WriteCmd(0xDB);      \/\/\u8bbe\u7f6eVCOMH \u7535\u538b\u500d\u7387\n    OLED_WriteCmd(0x20);      \/\/[6:4] 000,0.65*vcc;001,0.77*vcc;011,0.83*vcc\n    OLED_WriteCmd(0x8D);      \/\/--set DC-DC enable\n    OLED_WriteCmd(0x14);\n    OLED_WriteCmd(0xAF);      \/\/\u5f00\u542f\u663e\u793a\n}<\/code><\/pre>\n<p>\u8fd9\u6837\uff0cOLED \u5c4f\u5e55\u6a21\u5757\u7684\u521d\u59cb\u5316\u914d\u7f6e\u5c31\u5b8c\u6210\u4e86\u3002<\/p>\n<h3>4.3 \u8ba9OLED\u4eae\u8d77\u6765<\/h3>\n<p>\u63a5\u4e0b\u6765\u6211\u4eec\u8be5\u5982\u4f55\u4f7f\u7528 OLED \u5c4f\u5e55\u6a21\u5757\u4eae\u8d77\u6765\uff1f<\/p>\n<p>\u4ece\u4e0a\u6587 OLED \u5c4f\u5e55\u6a21\u5757\u7684\u5b66\u4e60\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u77e5\u9053 OLED \u5c4f\u5e55\u6a21\u5757\u7684\u663e\u793a\u539f\u7406\uff0c\u901a\u8fc7\u901a\u4fe1\u534f\u8bae\u6765\u64cd\u63a7\u6307\u5b9a\u7684\u67d0\u4e9b\u50cf\u7d20\u70b9\u6765\u5b9e\u73b0\u6210\u50cf\uff0c\u90a3\u4e48\u6211\u4eec\u4ee3\u7801\u53ef\u4ee5\u8fd9\u4e48\u5199\uff1a<\/p>\n<pre><code class=\"c\">void OLED_Fill(uint8_t fill_Data)            \/\/\u5168\u5c4f\u586b\u5145\uff08\u6e05\u9664\u5c4f\u5e55\uff09\n{\n    uint8_t m,n;\n    \n    for(m = 0; m &lt; 8; m++)\n    {\n        OLED_WriteCmd(0xB0+m);        \/\/\u8bbe\u7f6e\u9875\u5730\u5740\uff080~7\uff09\n        OLED_WriteCmd(0x00);        \/\/\u8bbe\u7f6e\u663e\u793a\u4f4d\u7f6e\u2014\u5217\u4f4e\u5730\u5740\n        OLED_WriteCmd(0x10);        \/\/\u8bbe\u7f6e\u663e\u793a\u4f4d\u7f6e\u2014\u5217\u9ad8\u5730\u5740   \n        \n        for(n = 0; n &lt; 128; n++)\n        {\n            OLED_WriteDat(fill_Data);\n        }\n    }\n}<\/code><\/pre>\n<p>\u8fd9\u6837\u5c31\u53ef\u4ee5\u4e86\u3002<\/p>\n<p>\u5728 main.c \u4e2d\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<pre><code class=\"c\">int main(void)\n{\n    HAL_Init();                         \/* \u521d\u59cb\u5316HAL\u5e93 *\/\n    sys_stm32_clock_init(RCC_PLL_MUL9); \/* \u8bbe\u7f6e\u65f6\u949f, 72Mhz *\/\n    delay_init(72);                     \/* \u5ef6\u65f6\u521d\u59cb\u5316 *\/\n\n        OLED_Init();   \/\/oled\u521d\u59cb\u5316\n        OLED_Fill(0xFF);\/\/\u5168\u5c4f\u70b9\u4eae\n        delay_ms(2000);\n        OLED_Fill(0x00);\/\/\u5168\u5c4f\u7184\u706d\n        delay_ms(2000);\n    \n        \n    while(1)\n    { \n        \n    }        \n}\n<\/code><\/pre>\n<p>\u7f16\u8bd1\u4e0b\u8f7d\u3002\u53ef\u4ee5\u770b\u5230\u6211\u4eec\u7684 OLED \u5c4f\u5e55\u76f4\u63a5\u4eae\u4e86\u8d77\u6765\uff0c\u7136\u540e 2s \u4e4b\u540e\u53c8\u706d\u6389\u4e86\uff0c\u8bf4\u660e\u6211\u4eec\u7684\u521d\u59cb\u5316\u5f88\u6210\u529f\u3002<\/p>\n<h3>4.4 \u663e\u793a\u5b57\u7b26<\/h3>\n<p>\u90a3\u4e48\u6211\u4eec\u8be5\u5982\u4f55\u663e\u793a\u4e00\u4e2a\u5b57\u7b26\u5462\uff1f\u8fd9\u91cc\u6211\u4eec\u9700\u8981\u7528\u5230\u5b57\u5e93\uff0c\u53ef\u4ee5\u5728\u7f51\u4e0a\u627e\u9002\u914d\u7684\u5b57\u5e93\u7528\uff0c\u4e5f\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u672c\u6587\u7684\u5b57\u5e93\u6587\u4ef6\uff08codetab.h\uff09\u3002<\/p>\n<p>\u5728 oled.c \u4e2d\uff0c\u6211\u4eec\u9700\u8981\u5b9a\u4e49\u4e00\u4e2a\u51fd\u6570\u7528\u6765\u663e\u793a\u5b57\u7b26\u3002\u901a\u8fc7\u5faa\u73af\u904d\u5386\u5f85\u5199\u5165\u7684\u5b57\u8282\uff0c\u5f97\u5230\u4e00\u4e2a\u6211\u4eec\u60f3\u8981\u663e\u793a\u7684\u6570\uff0c\u8fd9\u4e2a\u6570\u9700\u8981\u4e8b\u5148\u88ab\u5b9a\u4e49\u5728\u5b57\u5e93\u5f53\u4e2d\u3002<\/p>\n<p><code>OLED_Show_Char<\/code> \u51fd\u6570\u4e2d\u6211\u4eec\u9700\u8981\u586b\u5165 x\uff080~127\uff09\uff0cy\uff080~7\uff09\uff0c\u663e\u793a\u7684\u5b57\u7b26\uff08\u9700\u8981\u7528 \u2018 \u2019 \u5305\u8d77\u6765\u3002\u5728\u5b57\u5e93\u4e2d\u5b9a\u4e49\uff09\uff0c\u5b57\u7b26\u7684\u5927\u5c0f\uff08\u663e\u793a\u7684\u5b57\u7b26\u5927\u5c0f\u4e5f\u9700\u8981\u63d0\u524d\u5728\u5b57\u5e93\u4e2d\u5b9a\u4e49\uff09\u3002<\/p>\n<pre><code class=\"c\">void OLED_Show_Char(uint8_t x, uint8_t y, uint8_t num, uint8_t size)        \/\/\u663e\u793a\u4e00\u4e2a\u5b57\u7b26\n{\n    uint8_t i,j,page;\n    \n    num = num-' ';                  \/\/\u5f97\u5230\u504f\u79fb\u540e\u7684\u503c\n    page = size \/ 8;\n    \n    if(size % 8) page++;\n    \n    for(j = 0; j &lt; page; j++)\n    {\n        OLED_SetPos(x, y+j);\n        for(i = size \/ 2 * j; i &lt; size \/ 2*(j+1); i++)\n        {\n            if(size == 12)\n            {\n                OLED_WriteDat(Ascii_F6X12[num][i]);\n            }\n            else if(size == 16)\n            {\n                OLED_WriteDat(Ascii_F8X16[num][i]);\n            }\n            else if(size == 24)\n            {\n                OLED_WriteDat(Ascii_F24X24[num][i]);\n            }\n        }\n    }\n}<\/code><\/pre>\n<p>\u8fd9\u91cc\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4e00\u4e0b\u4e0a\u9762\u7684\u51fd\u6570\u6253\u5370\u4e00\u4e2a\u5b57\u7b26 \u201dA\u201d \uff0cmain.c \u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<pre><code class=\"c\">int main(void)\n{\n    HAL_Init();                         \/* \u521d\u59cb\u5316HAL\u5e93 *\/\n    sys_stm32_clock_init(RCC_PLL_MUL9); \/* \u8bbe\u7f6e\u65f6\u949f, 72Mhz *\/\n    delay_init(72);                     \/* \u5ef6\u65f6\u521d\u59cb\u5316 *\/\n\n    OLED_Init();    \/\/oled\u521d\u59cb\u5316\n    OLED_Fill(0x00);\/\/\u6e05\u5c4f\n                \n    while(1)\n    { \n            OLED_Show_Char(64,4,'A',16);\n    }\n}<\/code><\/pre>\n<p>\u7f16\u8bd1\u4e0b\u8f7d\u3002\u6211\u4eec\u53ef\u4ee5\u5728 OLED \u5c4f\u5e55\u4e0a\u770b\u5230\u4e00\u4e2a\u5b57\u7b26 \u2018A\u2019 \uff0c\u8fd9\u6837\u6211\u4eec\u5c31\u6210\u529f\u7684\u5728 OLED \u5c4f\u5e55\u4e0a\u663e\u793a\u4e00\u4e2a\u5b57\u7b26\u4e86\u3002<\/p>\n<p><img decoding=\"async\" width=\"723\" height=\"485\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVdfNtn\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<h3>4.5 \u663e\u793a\u6c49\u5b57<\/h3>\n<p>\u6211\u4eec\u8be5\u5982\u4f55\u5728 OLED \u5c4f\u5e55\u4e0a\u663e\u793a\u6c49\u5b57\uff1f\u9996\u5148\u6211\u4eec\u9700\u8981\u4e00\u4e2a\u53d6\u6a21\u8f6f\u4ef6\uff0c\u7528\u4e8e\u63d0\u53d6\u6c49\u5b57\u3002<\/p>\n<p>\u672c\u6587\u4f7f\u7528\u7684\u53d6\u6a21\u8f6f\u4ef6\u662f PCtoLCD2002 \uff0c\u6253\u5f00\u8f6f\u4ef6\u662f\u8fd9\u4e2a\u6837\u5b50\u7684\u3002<\/p>\n<p><img decoding=\"async\" width=\"721\" height=\"577\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVdfNto\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u6211\u4eec\u9700\u8981\u5148\u914d\u7f6e\u4e00\u4e0b\u8f6f\u4ef6\uff0c\u6253\u5f00\u4e0a\u9762\u4e00\u6392\u56fe\u6807\u4e2d\u7684\u90a3\u4e2a\u5c0f\u9f7f\u8f6e<\/p>\n<p><img decoding=\"async\" width=\"718\" height=\"576\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVdfNtp\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u8fd9\u6837\u8bbe\u7f6e\uff0c\u5982\u4e0b\u56fe\uff1a<\/p>\n<p><img decoding=\"async\" width=\"725\" height=\"577\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVdfNtq\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u8bbe\u7f6e\u5b8c\u6210\u4e4b\u540e\u5c06\u6a21\u5f0f\u6539\u4e3a\u5b57\u7b26\u6a21\u5f0f\u5e76\u5c06\u5b57\u4f53\u5927\u5c0f\u6539\u4e3a16*16\uff0c\u5982\u4e0b\u56fe\uff1a<\/p>\n<p><img decoding=\"async\" width=\"717\" height=\"577\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVdfNtr\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u63a5\u7740\u5728\u8f93\u5165\u6846\u4e2d\u8f93\u5165\u6c49\u5b57\uff0c\u7136\u540e\u70b9\u51fb\u751f\u6210\u5b57\u6a21\u5c31\u53ef\u4ee5\u4e86\u3002\u751f\u6210\u4e4b\u540e\u6211\u4eec\u53ea\u9700\u8981\u590d\u5236\u4e0b\u6846\u4e2d\u7684\u4ee3\u7801\u5373\u53ef\uff0c\u5982\u56fe\uff1a<\/p>\n<p><img decoding=\"async\" width=\"717\" height=\"570\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVdfNts\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u6211\u4eec\u5c06\u590d\u5236\u597d\u7684\u4ee3\u7801\u7c98\u8d34\u5230\u5b57\u5e93\u5f53\u4e2d\uff0c\u5728 Font_16x16 \u4e2d\uff0c\u5982\u56fe\uff1a<\/p>\n<p><img decoding=\"async\" width=\"723\" height=\"381\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVdfNtt\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u8981\u5728\u6bcf\u4e2a\u5b57\u7684\u524d\u9762\u6dfb\u52a0\u8be5\u5b57\u4f5c\u4e3a\u5f15\u7d22\u3002<\/p>\n<p>\u6211\u4eec\u5728 oled.c \u4e2d\u6dfb\u52a0\u4e00\u4e2a\u51fd\u6570\u7528\u4e8e\u663e\u793a\u6c49\u5b57\uff0c\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<pre><code class=\"c\">void OLED_Show_ChineseFont(uint8_t x, uint8_t y, uint8_t N, uint8_t size)        \/\/\u663e\u793a\u6c49\u5b57\n{\n    uint8_t i,j;\n    for(j = 0; j &lt; size\/8; j++)\n    {\n        OLED_SetPos(x , y+j);\n        for(i = size * j; i &lt; size*(j+1); i++)\n        {\n            if(size == 16)\n            {\n                OLED_WriteDat(Font_16x16[N][i]);\n            }\n            else if(size == 24)\n            {\n                OLED_WriteDat(Font_24x24[N][i]);\n            }\n        }\n    }\n}<\/code><\/pre>\n<p>\u5728 main.c \u51fd\u6570\u4e2d\uff0c\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<pre><code class=\"c\">int main(void)\n{\n    HAL_Init();                         \/* \u521d\u59cb\u5316HAL\u5e93 *\/\n    sys_stm32_clock_init(RCC_PLL_MUL9); \/* \u8bbe\u7f6e\u65f6\u949f, 72Mhz *\/\n    delay_init(72);                     \/* \u5ef6\u65f6\u521d\u59cb\u5316 *\/\n\n        OLED_Init();   \/\/oled\u521d\u59cb\u5316\n        \n        OLED_Fill(0x00);\/\/\u5168\u5c4f\u7184\u706d\n        \n    while(1)\n    {         \n        OLED_Show_ChineseFont(32,3,1,16);  \/\/\u663e\u793aFont_16x16\u5b57\u5e93\u4e2d\u7684\u7b2c\u4e00\u4e2a\u6c49\u5b57\n        OLED_Show_ChineseFont(64,3,3,16);  \/\/\u663e\u793aFont_16x16\u5b57\u5e93\u4e2d\u7684\u7b2c\u4e8c\u4e2a\u6c49\u5b57        \n    }\n}<\/code><\/pre>\n<p>\u7f16\u8bd1\u4e0b\u8f7d\u4e4b\u540e\uff0c\u53ef\u4ee5\u770b\u5230 OLED \u5c4f\u5e55\u4e0a\u663e\u793a\u51fa\u4e86\u6c49\u5b57\u3002\u8fd9\u6837\u6211\u4eec\u5c31\u5b8c\u6210\u4e86 OLED \u5c4f\u5e55\u663e\u793a\u6c49\u5b57\u4e86\u3002<\/p>\n<p><img decoding=\"async\" width=\"723\" height=\"455\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVdfNtu\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u9700\u8981\u6ce8\u610f\uff0c\u5728\u7f16\u8bd1\u4e0b\u8f7d\u4e4b\u524d\u9700\u8981\u6253\u5f00\u53f3\u4e0a\u89d2\u7684\u5c0f\u6273\u624b\uff0c\u5c06\u7f16\u7801\u683c\u5f0f\u6539\u4e3a Chinese GB2312 (Simplified)\uff0c\u8fd9\u662f\u6c49\u5b57\u7684\u7f16\u7801\u683c\u5f0f\uff0c\u6709\u65f6\u5019\uff0c\u4f60\u5728\u79fb\u690d\u522b\u4eba\u4ee3\u7801\u7684\u65f6\u5019\uff0c\u4f1a\u53d1\u73b0\u522b\u4eba\u4ee3\u7801\u7684\u6ce8\u91ca\u90fd\u662f\u4e71\u7801\uff0c\u53ef\u80fd\u5c31\u662f\u4f60\u6ca1\u6709\u6539\u8fd9\u4e2a\u3002<\/p>\n<p><img decoding=\"async\" width=\"723\" height=\"382\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVdfNtv\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<h3>4.6 \u663e\u793a\u56fe\u50cf<\/h3>\n<p>\u5982\u4f55\u4f7f\u7528 OLED \u5c4f\u5e55\u6765\u663e\u793a\u4e00\u5f20\u56fe\u7247\u5462\uff1f<\/p>\n<p>\u9996\u5148\u5728 oled.c \u4e2d\u6dfb\u52a0\u4e00\u4e2a\u7528\u4e8e\u663e\u793a\u56fe\u7247\u7684\u51fd\u6570\uff0c\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<pre><code class=\"c\">void OLED_DrawBMP(uint8_t x0,uint8_t y0,uint8_t x1,uint8_t y1,uint8_t *bmp)        \/\/\u663e\u793a\u56fe\u7247\n{\n    uint16_t j=0;\n    uint8_t x,y;\n\n    for(y = y0; y &lt; y1; y++)\n    {\n        OLED_SetPos(x0,y);\n        \n        for(x = x0; x &lt; x1; x++)\n        {\n            OLED_WriteDat(bmp[j++]);\n        }\n    }\n}<\/code><\/pre>\n<p>OLED_DrawBMP \u4e2d x0 \uff0cy0 \u4ee3\u8868\u7740 x \u4e0e y \u663e\u793a\u7684\u8d77\u59cb\u4f4d\u7f6e\uff0c\u800c x1\uff0cy1 \u4ee3\u8868\u7740 x \u4e0e y \u663e\u793a\u7684\u7ec8\u6b62\u4f4d\u7f6e\u3002\u4e00\u822c\u586b\u56fe\u7247\u7684\u5927\u5c0f\u3002\u800c bmp \u5219\u662f\u586b\u5165\u56fe\u7247\u7684\u540d\u79f0\u3002<\/p>\n<p>\u6211\u4eec\u8fd8\u662f\u9700\u8981\u7528\u5230\u53d6\u6a21\u8f6f\u4ef6\uff0c\u6253\u5f00\u53d6\u6a21\u8f6f\u4ef6 PCtoLCD2002 \uff0c\u5c06\u6a21\u5f0f\u8c03\u4e3a\u56fe\u5f62\u6a21\u5f0f\uff0c\u5982\u4e0b\u56fe\uff1a<\/p>\n<p><img decoding=\"async\" width=\"722\" height=\"577\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVdfNtw\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u8fd9\u4e2a\u53d6\u6a21\u8f6f\u4ef6\u76ee\u524d\u53ea\u652f\u6301 BMP \u7684\u6587\u4ef6\u683c\u5f0f\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7 Photoshop \u7b49\u8f6f\u4ef6\uff0c\u5bf9\u56fe\u7247\u8fdb\u884c\u5904\u7406\uff0c\u6700\u540e\u4fdd\u5b58\u4e3a BMP \u683c\u5f0f\u3002<\/p>\n<p>\u8fd9\u91cc\u6211\u4eec\u53ef\u4ee5\u7528 Photoshop \u968f\u4fbf\u6253\u5f00\u4e00\u5f20\u4f60\u60f3\u663e\u793a\u5230 OLED \u5c4f\u5e55\u4e0a\u7684\u56fe\u7247\uff0c\u6253\u5f00\u56fe\u50cf\/\u8c03\u6574\/\u9608\u503c\uff0c\u5bf9\u56fe\u7247\u8fdb\u884c\u4e8c\u6781\u5316\uff08\u9009\u62e9\u4e00\u4e2a\u5408\u9002\u7684\u9608\u503c\uff09\uff0c\u7136\u540e\u518d\u88c1\u526a\u4e00\u4e0b\u56fe\u7247\u5927\u5c0f\uff0c\u9009\u62e9\u50cf\u7d20\uff0c\u6839\u636e OLED \u5c4f\u5e55\u7684\u5c3a\u5bf8\u8fdb\u884c\u8c03\u6574\u3002\u6211\u8fd9\u91cc\u8c03\u7684\u662f 56*56 \uff0c\u6700\u540e\u4fdd\u5b58\u4e3a BMP \u683c\u5f0f\u3002\u5982\u4e0b\u56fe\uff1a<\/p>\n<p><img decoding=\"async\" width=\"723\" height=\"390\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVdfNtx\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u518d\u901a\u8fc7\u53d6\u6a21\u8f6f\u4ef6\u6253\u5f00\uff0c\u6253\u5f00\u4e4b\u540e\u70b9\u51fb\u751f\u6210\u5b57\u6a21\u5c31\u53ef\u4ee5\u5c06 BMP \u683c\u5f0f\u7684\u56fe\u7247\u8f6c\u6362\u6210\u5b57\u6a21\u3002<\/p>\n<p>\u56fe\u7247\u53ef\u4ee5\u4f7f\u7528\u672c\u6587\u63d0\u4f9b\u7684\u5904\u7406\u8fc7\u7684 BMP \u56fe\u7247\u3002\u5c06\u56fe\u7247\u653e\u5165\u53d6\u6a21\u8f6f\u4ef6\uff0c\u70b9\u51fb\u751f\u6210\u5b57\u6a21\uff0c\u5982\u4e0b\u56fe\uff1a<\/p>\n<p><img decoding=\"async\" width=\"721\" height=\"577\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVdfNty\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u5c06\u4ee3\u7801\u7c98\u8d34\u5230\u5b57\u5e93\u4e2d\uff0c\u5982\u4e0b\u56fe\uff1a<\/p>\n<p><img decoding=\"async\" width=\"723\" height=\"381\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVdfNtz\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u5728 main.c \u4e2d\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<pre><code class=\"c\">int main(void)\n{\n    HAL_Init();                         \/* \u521d\u59cb\u5316HAL\u5e93 *\/\n    sys_stm32_clock_init(RCC_PLL_MUL9); \/* \u8bbe\u7f6e\u65f6\u949f, 72Mhz *\/\n    delay_init(72);                     \/* \u5ef6\u65f6\u521d\u59cb\u5316 *\/\n\n        OLED_Init();    \/\/oled\u521d\u59cb\u5316\n        OLED_Fill(0x00);\/\/\u6e05\u5c4f    \n    \n    while(1)\n    {             \n        OLED_DrawBMP(0,0,56,7,(unsigned char *)BMP_Data);\/\/\u663e\u793aBMP\u56fe\u7247        \n    }\n}<\/code><\/pre>\n<p>\u7f16\u8bd1\u4e0b\u8f7d\uff0c\u53ef\u4ee5\u770b\u5230\u56fe\u7247\u6210\u529f\u7684\u663e\u793a\u5728\u4e86 OLED \u5c4f\u5e55\u4e0a\u3002\u8fd9\u6837\u6211\u4eec\u5c31\u5b8c\u6210\u4e86 OLED \u5c4f\u5e55\u663e\u793a\u56fe\u7247\u4e86\u3002<\/p>\n<p><img decoding=\"async\" width=\"723\" height=\"465\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVdfNtA\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<h3>4.7 \u64ad\u653e\u89c6\u9891<\/h3>\n<p>\u64ad\u653e\u89c6\u9891\u7684\u539f\u7406\u5f88\u7b80\u5355\uff0c\u6211\u4eec\u5df2\u7ecf\u5b66\u4f1a\u4e86\u663e\u793a\u56fe\u50cf\uff0c\u800c\u89c6\u9891\u5c31\u662f\u4e00\u5e27\u4e00\u5e27\u7684\u56fe\u50cf\uff0c\u6211\u4eec\u4e0d\u65ad\u663e\u793a\u4e00\u5f20\u63a5\u4e00\u5f20\u7684\u56fe\u50cf\u5c31\u6210\u4e86\u89c6\u9891\u3002\u7531\u4e8e STM32F103C8T6 \u53ea\u6709 64K \u7684FLASH\uff0c\u6240\u4ee5\u76f4\u63a5\u5b58\u50a8\u56fe\u50cf\u6570\u636e\u65e2\u6d6a\u8d39\u8d44\u6e90\u53c8\u65e0\u6cd5\u64ad\u653e\u957f\u89c6\u9891\u3002\u90a3\u4e48\u6211\u4eec\u600e\u4e48\u529e\u5462\uff1f\u6211\u5728\u8fd9\u91cc\u6559\u5927\u5bb6\u5229\u7528 Python \u548c\u4e32\u53e3\uff0c\u5c06\u56fe\u7247\u6570\u636e\u6e90\u6e90\u4e0d\u65ad\u7684\u4f20\u7ed9 OLED\u3002<\/p>\n<ol>\n<li>\u5b89\u88c5 Python \u548c PyCharm<\/li>\n<\/ol>\n<p>\u9996\u5148\u6211\u4eec\u9700\u8981\u5b89\u88c5 Python \u548c PyCharm\uff0c\u7f51\u4e0a\u8d44\u6599\u5f88\u591a\uff0c\u8fd9\u91cc\u4e0d\u591a\u8bb2\u4e86\u3002<\/p>\n<ol start=\"2\">\n<li>\u914d\u7f6e\u56fd\u5185\u6e90<\/li>\n<\/ol>\n<p>\u5b89\u88c5\u597d\u540e\uff0c\u6211\u4eec\u9700\u8981\u4e0b\u8f7d\u4f9d\u8d56\u5305\u3002\u5f53\u7136\uff0c\u56e0\u4e3a\u9ed8\u8ba4 pip \u4e0b\u8f7d\u662f\u57fa\u4e8e\u56fd\u5916\u6e90\uff0c\u5f88\u6162\uff0c\u751a\u81f3\u4f1a\u8d85\u65f6\uff0c\u6240\u4ee5\u6211\u4eec\u8981\u914d\u7f6e\u6210\u56fd\u5185\u6e90\uff0c\u4e00\u52b3\u6c38\u9038\u3002\u6253\u5f00\u8fd0\u884c\u5de5\u5177\uff08win+r\uff09\uff0c\u8f93\u5165 cmd \uff0c\u6253\u5f00\u547d\u4ee4\u63d0\u793a\u7b26\uff0c\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4\u3002<\/p>\n<pre><code class=\"python\"># \u6c38\u4e45\u8bbe\u7f6e\u963f\u91cc\u4e91\u7684\u56fd\u5185\u6e90\npip config set global.trusted-host mirrors.aliyun.com\npip config set global.index-url https:\/\/mirrors.aliyun.com\/simple\n\n# \u6c38\u4e45\u8bbe\u7f6e\u6e05\u534e\u5927\u5b66\u7684\u56fd\u5185\u6e90\npip config set global.trusted-host pypi.tuna.tsinghua.edu.cn\npip config set global.index-url https:\/\/pypi.tuna.tsinghua.edu.cn\/simple\/<\/code><\/pre>\n<p>\u6548\u679c\u5982\u4e0b\uff1a<\/p>\n<p><img decoding=\"async\" width=\"723\" height=\"411\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVdfNtB\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<ol start=\"3\">\n<li>\u5b89\u88c5\u4f9d\u8d56\u5305<\/li>\n<\/ol>\n<p>\u7136\u540e\u6211\u4eec\u5c31\u5f88\u4ee5\u8d85\u5feb\u7684\u901f\u5ea6\u5b89\u88c5\u4f9d\u8d56\u5305\u5566\uff0c\u540c\u6837\u662f\u5728\u547d\u4ee4\u63d0\u793a\u7b26\u5185\uff0c\u8f93\u5165\u4e0b\u9762\u4e09\u4e2a\u547d\u4ee4\u3002<\/p>\n<pre><code class=\"python\">pip install numpy\npip install opencv-python\npip install pyserial<\/code><\/pre>\n<p>\u6548\u679c\u5982\u4e0b\uff1a<\/p>\n<p><img decoding=\"async\" width=\"723\" height=\"411\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVdfNtC\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<ol start=\"4\">\n<li>\u7f16\u5199\u7a0b\u5e8f<\/li>\n<\/ol>\n<p>\u4ee3\u7801\u6211\u53ea\u8bb2\u91cd\u70b9\uff0c\u66f4\u591a\u7ec6\u8282\u8bf7\u770b\u6587\u5934\u7684\u6e90\u7801\uff0c\u91cc\u9762\u6ce8\u91ca\u8d85\u5168\u3002<\/p>\n<p>oled.c \u5185\u7684\u663e\u5b58\u6570\u7ec4\u66f4\u65b0\u4ee3\u7801\uff0c\u5728 while \u5faa\u73af\u91cc\u4e0d\u65ad\u8c03\u7528\u8be5\u51fd\u6570\uff0c\u5373\u53ef\u5b9e\u73b0\u4e0d\u65ad\u663e\u793a\u4e00\u5f20\u63a5\u4e00\u5f20\u7684\u56fe\u50cf\uff1a<\/p>\n<pre><code class=\"c\">void OLED_Update(void)\n{\n    uint8_t j;\n\n    \/*\u904d\u5386\u6bcf\u4e00\u9875*\/\n    for (j = 0; j &lt; 8; j++)\n    {\n        \/*\u8bbe\u7f6e\u5149\u6807\u4f4d\u7f6e\u4e3a\u6bcf\u4e00\u9875\u7684\u7b2c\u4e00\u5217*\/\n        OLED_SetCursor(j, 0);\n        \/*\u8fde\u7eed\u5199\u5165128\u4e2a\u6570\u636e\uff0c\u5c06\u663e\u5b58\u6570\u7ec4\u7684\u6570\u636e\u5199\u5165\u5230OLED\u786c\u4ef6*\/\n        OLED_WriteData(OLED_DisplayBuf[j], 128);\n    }\n}<\/code><\/pre>\n<p>uart1.c \u5185\u7684\u4e2d\u65ad\u5904\u7406\u51fd\u6570\uff0c\u6bcf\u6b21\u88ab\u4e2d\u65ad\u5c31\u63a5\u6536\u4e00\u4e2a\u5b57\u8282\u7684\u6570\u636e\u5e76\u5b58\u653e\u5230 OLED \u663e\u5b58\u6570\u7ec4\u3002<\/p>\n<pre><code class=\"c\">void USART1_IRQHandler(void)\n{\n    static uint8_t p0 = 0, p1 = 0;\n\n    if (__HAL_UART_GET_FLAG(&amp;uart1_handle, UART_FLAG_RXNE) == SET)\n    {\n        \/*\u63a5\u6536\u4e00\u4e2a\u5b57\u8282\u6570\u636e*\/\n        uint8_t RxData;\n        HAL_UART_Receive(&amp;uart1_handle, &amp;RxData, 1, 1000);\n\n        \/*\u5c06\u4e00\u4e2a\u5b57\u8282\u653e\u5230OLED\u663e\u5b58\u6570\u7ec4\u7684\u6307\u5b9a\u4f4d\u7f6e*\/\n        OLED_DisplayBuf[p0][p1] = RxData;\n\n        \/*\u4f4d\u7f6e\u81ea\u589e*\/\n        p1++;\n        if (p1 &gt;= 128)\n        {\n            p1 = 0;\n            p0++;\n            if (p0 &gt;= 8)\n            {\n            p0 = 0;\n            }\n        }\n\n    __HAL_UART_CLEAR_FLAG(&amp;uart1_handle, UART_FLAG_RXNE);\n    }\n}<\/code><\/pre>\n<ol start=\"5\">\n<li>\u786c\u4ef6\u8fde\u63a5<\/li>\n<\/ol>\n<p>\u5728\u4e4b\u524d\u63a5\u7ebf\u7684\u57fa\u7840\u4e0a\u9700\u8981\u589e\u52a0\u4e00\u4e2a USB \u8f6c TTL\uff0c\u63a5\u7ebf\u5982\u4e0b\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th align=\"center\">USB \u8f6c TTL<\/th>\n<th align=\"center\">STM32F103C8T6<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td align=\"center\">GND<\/td>\n<td align=\"center\">GND<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">VCC<\/td>\n<td align=\"center\">VCC<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">RXD<\/td>\n<td align=\"center\">PA9<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">TXD<\/td>\n<td align=\"center\">PA10<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u63a5\u597d\u5982\u4e0b\u56fe\uff0c\u8fd9\u4e5f\u662f\u6700\u7ec8\u6548\u679c\u56fe\uff0c\u5148\u7ed9\u5927\u5bb6\u9884\u544a\u4e0b\u54c8\u54c8\u3002<\/p>\n<p><img decoding=\"async\" width=\"723\" height=\"508\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVdfNtD\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<ol start=\"6\">\n<li>\u70e7\u5f55\u4ee3\u7801\uff0c\u8fd0\u884c Python<\/li>\n<\/ol>\n<p>\u5c06\u5de5\u7a0b\u6e90\u7801\u70e7\u5f55\u5230\u5355\u7247\u673a\u4e0a\uff0c\u8fd0\u884c\u3002\u518d\u6253\u5f00 Python \u6587\u4ef6\u5e76\u8fd0\u884c\u3002\u6ce8\u610f Python \u6587\u4ef6\u5185\u7684\u4e32\u53e3\u53f7\u8981\u548c\u4f60\u4eec\u81ea\u5df1\u7684\u5bf9\u5e94\uff0c\u4e0d\u7136\u4f1a\u5728\u6253\u5f00\u4e32\u53e3\u90a3\u62a5\u9519\u3002<\/p>\n<p>\u6548\u679c\u5982\u4e0b\uff1a<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000045671778\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<h2>5. \u603b\u7ed3<\/h2>\n<h2>0.96 \u5bf8 OLED \u5c4f\u5e55\u6a21\u5757\u5177\u6709\u9ad8\u4eae\u5ea6\u3001\u5feb\u901f\u54cd\u5e94\u3001\u4f4e\u529f\u8017\u7b49\u4f18\u70b9\uff0c\u800c\u4e14\u4ef7\u683c\u4e5f\u4e0d\u8d35\uff0c\u540c\u65f6\u5b83\u8fd8\u9002\u7528\u4e8e\u591a\u79cd\u667a\u80fd\u8bbe\u5907\u3002\u6211\u4eec\u4e0d\u4ec5\u53ef\u4ee5\u7528\u5b83\u6765\u6253\u5370\u4e00\u4e9b\u8c03\u8bd5\u7684\u4fe1\u606f\uff0c\u4e5f\u53ef\u4ee5\u62ff\u6765\u663e\u793a\u56fe\u7247\u64ad\u653e\u89c6\u9891\u4ec0\u4e48\u7684\u3002\u73a9\u597d\u5b83\u4e0d\u4ec5\u53ef\u4ee5\u4e3a\u6211\u4eec\u7684\u5355\u7247\u673a\u8c03\u8bd5\u5e26\u6765\u6781\u5927\u7684\u65b9\u4fbf\uff0c\u540c\u65f6\u5b83\u7684\u80fd\u5b9e\u73b0\u8bb8\u591a\u6709\u8da3\u7684\u9879\u76ee\u3002\u8ba9\u6211\u4eec\u4e00\u8d77\u73a9\u8f6c OLED \u5c4f\u5e55\u6a21\u5757\u5427\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=NDOghMGcQlbCvI2i1H1L6g%3D%3D.OWSQVRbwoM%2BUBNL%2BwKwLNhXOtQIgXtVsiSNNZzGRDSBJwz8pKafae4ieX9FOl4qV\" 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=6DaDBtqTSGW5fvhyotNTVA%3D%3D.s92dp0f6vKoaEYI%2FBG4lO2Ffnb%2BT0FwPhF1GBOTAS1L16wi90kbboegWMIzLWyUj\" 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=Lw2umWwBLr9oz6dXjX8Tbg%3D%3D.aWzRMEtRrNZ5kcsChEn%2FzmfDv1z3HQ6zLcsgL5v%2FfMQmIqYk0M4tcc%2BiIQmfE7aS\" 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=erpo2%2FgG7T89XZdVrBrGIQ%3D%3D.Czx9vyVjuDEBU4l3o6QE85YRgnpb6tE%2FnF8Fie7H4tM%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\/1190000045671776\">https:\/\/segmentfault.com\/a\/1190000045671776<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6211\u4eec\u4e4b\u524d\u8bb2\u4e86 LCD1602\uff0c\u4eca\u5929\u6211\u4eec\u5c06\u5b83\u7684\u8fdb\u9636\u6a21\u5757\u2014\u2014OLED\u3002\u5b83\u63a5\u7ebf\u66f4\u5c11\uff0c\u6027\u80fd\u66f4\u5f3a\uff0c\u4e5f\u80fd\u663e\u793a\u4e2d\u6587\u548c\u56fe\u50cf\u4e86\u3002 [&hellip;]<\/p>\n","protected":false},"author":8,"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-10020543","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\/10020543","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\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10020543"}],"version-history":[{"count":0,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10020543\/revisions"}],"wp:attachment":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10020543"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10020543"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10020543"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}