{"id":10021112,"date":"2025-12-11T21:55:10","date_gmt":"2025-12-11T13:55:10","guid":{"rendered":"https:\/\/itmax.cn\/?p=10021112"},"modified":"2025-12-11T21:55:10","modified_gmt":"2025-12-11T13:55:10","slug":"%e3%80%90%e6%ba%90%e7%a0%81%e5%bc%80%e6%ba%90%e3%80%91%e5%9f%ba%e4%ba%8estm32%e7%9a%84%e5%80%92%e8%bd%a6%e9%9b%b7%e8%be%be%e9%a1%b9%e7%9b%ae-oled-%e5%ae%9e%e6%97%b6%e6%98%be","status":"publish","type":"post","link":"https:\/\/itmax.cn\/?p=10021112","title":{"rendered":"\u3010\u6e90\u7801\u5f00\u6e90\u3011\u57fa\u4e8eSTM32\u7684\u5012\u8f66\u96f7\u8fbe\u9879\u76ee \u2014\u2014 OLED \u5b9e\u65f6\u663e\u793a + HC-SR04 \u6d4b\u8ddd\u6a21\u5757"},"content":{"rendered":"<h2>\u3010\u6e90\u7801\u5f00\u6e90\u3011\u57fa\u4e8eSTM32\u7684\u5012\u8f66\u96f7\u8fbe\u9879\u76ee \u2014\u2014 OLED \u5b9e\u65f6\u663e\u793a + HC-SR04 \u6d4b\u8ddd\u6a21\u5757<\/h2>\n<p>\u5728\u5d4c\u5165\u5f0f\u5b66\u4e60\u4e2d\uff0c\u8d85\u58f0\u6ce2\u6d4b\u8ddd\u4e0e OLED \u5c4f\u663e\u662f\u4e24\u4e2a\u975e\u5e38\u5e38\u89c1\u7684\u57fa\u7840\u6a21\u5757\u3002\u5c06\u4e24\u8005\u7ed3\u5408\u8d77\u6765\uff0c\u5c31\u53ef\u4ee5\u5b9e\u73b0\u4e00\u4e2a\u5b9e\u7528\u4e14\u6613\u6269\u5c55\u7684\u5c0f\u9879\u76ee\u2014\u2014<strong>\u5012\u8f66\u96f7\u8fbe\u7cfb\u7edf<\/strong>\u3002\u672c\u6587\u5c06\u4ee5 STM32F103C8T6 \u4e3a\u6838\u5fc3\u63a7\u5236\u5668\uff0c\u901a\u8fc7 HC-SR04 \u8d85\u58f0\u6ce2\u6a21\u5757\u5b8c\u6210\u8ddd\u79bb\u6d4b\u91cf\uff0c\u5e76\u4f7f\u7528 0.96 \u5bf8 OLED \u5b9e\u65f6\u663e\u793a\u6d4b\u91cf\u7ed3\u679c\uff0c\u540c\u65f6\u52a0\u5165\u6309\u94ae\u4e2d\u65ad\u4f5c\u4e3a\u542f\u52a8\/\u590d\u4f4d\u63a7\u5236\uff0c\u6700\u7ec8\u5b9e\u73b0\u4e00\u4e2a\u5b8c\u6574\u3001\u53ef\u590d\u7528\u7684\u5012\u8f66\u96f7\u8fbe\u4f53\u9a8c\u3002<\/p>\n<hr>\n<h2>\u6e90\u7801\u5206\u4eab<\/h2>\n<p>\u76f4\u63a5\u653e\u5230\u4e4b\u524d\u5199\u7684\u6587\u7ae0\u91cc\u4e86\uff0c\u514d\u8d39\u5f00\u6e90\uff0c\u4e0b\u8f7d\u5b66\u4e60\u5373\u53ef\u3002<br \/><a href=\"https:\/\/link.segmentfault.com\/?enc=DcVLHwL73A3lphQJNn0XvA%3D%3D.gmKHkwWNoW3POdKbhyaULTBQK5AWOO2%2FOqi2Z7rFJ1QMWNDOXXGQAri%2BDi%2BDC5XJyH9%2BRKqvu7n37NqlsNQt%2BQ%3D%3D\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">https:\/\/blog.csdn.net\/weixin_52908342\/article\/details\/155617238<\/a><\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000047465683\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" title=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\">\u5012\u8f66\u96f7\u8fbe\u4f5c\u4e3a\u4e00\u79cd\u5e38\u89c1\u7684\u6c7d\u8f66\u8f85\u52a9\u8bbe\u5907\uff0c\u5176\u6838\u5fc3\u539f\u7406\u5176\u5b9e\u975e\u5e38\u9002\u5408\u7528\u4e8e\u5d4c\u5165\u5f0f\u5b66\u4e60\uff1a\u5229\u7528\u8d85\u58f0\u6ce2\u6d4b\u8ddd\u83b7\u53d6\u76ee\u6807\u8ddd\u79bb\uff0c\u518d\u901a\u8fc7\u663e\u793a\u6a21\u5757\u5448\u73b0\u5b9e\u65f6\u6570\u636e\u3002\u4e3a\u4e86\u66f4\u597d\u5730\u7406\u89e3 STM32 \u7684\u5916\u8bbe\u63a7\u5236\u4e0e\u4f20\u611f\u5668\u5e94\u7528\uff0c\u6211\u57fa\u4e8e STM32F103C8T6\u3001HC-SR04 \u8d85\u58f0\u6ce2\u6a21\u5757\u4ee5\u53ca 0.96 \u5bf8 OLED \u663e\u793a\u5c4f\u5b9e\u73b0\u4e86\u4e00\u4e2a\u5c0f\u5de7\u5b9e\u7528\u7684\u5012\u8f66\u96f7\u8fbe\u7cfb\u7edf\u3002\u9879\u76ee\u7ed3\u6784\u7b80\u5355\uff0c\u4f46\u6db5\u76d6\u4e86 I2C \u901a\u4fe1\u3001\u5916\u90e8\u4e2d\u65ad\u3001\u7cbe\u51c6\u5ef6\u65f6\u3001\u8d85\u58f0\u6ce2\u6d4b\u8ddd\u7b49\u591a\u4e2a\u57fa\u7840\u77e5\u8bc6\u70b9\uff0c\u975e\u5e38\u9002\u5408\u4f5c\u4e3a STM32 \u5165\u95e8\u7ec3\u4e60\u6216\u8bfe\u7a0b\u8bbe\u8ba1\u53c2\u8003\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u7cfb\u7edf\u7684\u786c\u4ef6\u7ec4\u6210\u3001\u5173\u952e\u6a21\u5757\u9a71\u52a8\u4ee5\u53ca\u6574\u4f53\u5b9e\u73b0\u601d\u8def\uff0c\u5e0c\u671b\u80fd\u7ed9\u6b63\u5728\u5b66\u4e60 STM32 \u7684\u4f60\u5e26\u6765\u4e00\u4e9b\u542f\u53d1\u3002<\/p>\n<h3>\u4e00\u3001\u9879\u76ee\u8bbe\u5907\u6e05\u5355<\/h3>\n<p>\u672c\u9879\u76ee\u91c7\u7528\u4e86\u5e38\u89c1\u4e14\u4ef7\u683c\u53cb\u597d\u7684\u786c\u4ef6\u6a21\u5757\uff0c\u9002\u5408\u4f5c\u4e3a\u5165\u95e8\u7ec3\u624b\u6216\u8bfe\u7a0b\u8bbe\u8ba1\u65b9\u6848\uff1a<\/p>\n<blockquote>\n<ul>\n<li><strong>STM32F103C8T6 \u6700\u5c0f\u7cfb\u7edf\u677f<\/strong><\/li>\n<li><strong>0.96 \u5bf8 I2C OLED\uff08SSD1306 \u9a71\u52a8\uff09<\/strong><\/li>\n<li><strong>HC-SR04 \u8d85\u58f0\u6ce2\u6d4b\u8ddd\u6a21\u5757<\/strong><\/li>\n<li><strong>\u4e00\u4e2a\u5916\u90e8\u6309\u952e\uff08\u7528\u4e8e EXTI \u4e2d\u65ad\uff09<\/strong><\/li>\n<\/ul>\n<\/blockquote>\n<p>\u786c\u4ef6\u8fde\u63a5\u7b80\u5355\u3001\u6d41\u884c\u5ea6\u9ad8\uff0c\u975e\u5e38\u9002\u5408\u5b66\u4e60 STM32 \u5916\u8bbe\u9a71\u52a8\u4ee5\u53ca\u6a21\u5757\u5316\u7f16\u7a0b\u3002<\/p>\n<hr>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000047465684\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" title=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" loading=\"lazy\"><\/p>\n<h3>\u4e8c\u3001\u4f7f\u7528\u5230\u7684\u8f6f\u4ef6\u5e93<\/h3>\n<p>\u4e3a\u4e86\u51cf\u5c11\u91cd\u590d\u9020\u8f6e\u5b50\uff0c\u9879\u76ee\u4e2d\u5f15\u7528\u4e86\u4e24\u7c7b\u5e38\u7528\u5e93\uff1a<\/p>\n<h4>1. SSD1306 OLED \u663e\u793a\u5e93<\/h4>\n<p>\u652f\u6301 128\u00d764 OLED\uff0c\u5305\u542b\u6587\u672c\/\u56fe\u5f62\u7ed8\u5236\u529f\u80fd\uff0c\u672c\u9879\u76ee\u4e3b\u8981\u7528\u4e8e\uff1a<\/p>\n<ul>\n<li>\u663e\u793a\u5b9e\u65f6\u6d4b\u8ddd\u6570\u636e<\/li>\n<li>\u663e\u793a\u63d0\u793a\u4fe1\u606f\u3001\u72b6\u6001\u56fe\u6807<\/li>\n<li>\u63d0\u4f9b\u57fa\u7840 UI<\/li>\n<\/ul>\n<h4>2. DWT-Delay \u7cbe\u51c6\u5ef6\u65f6\u5e93<\/h4>\n<p>HC-SR04 \u6d4b\u8ddd\u5bf9\u5fae\u79d2\u7ea7\u4fe1\u53f7\u6d4b\u91cf\u6709\u7cbe\u5ea6\u8981\u6c42\uff0cDWT \u5ef6\u65f6\u53ef\u4ee5\u786e\u4fdd\u7a33\u5b9a\u7684\u89e6\u53d1\u4e0e\u56de\u6ce2\u6355\u83b7\u3002<\/p>\n<hr>\n<h3>\u4e09\u3001\u7cfb\u7edf\u539f\u7406\u4e0e\u6d41\u7a0b\u8bf4\u660e<\/h3>\n<h4>1. HC-SR04 \u6d4b\u8ddd\u539f\u7406<\/h4>\n<p>HC-SR04 \u6d4b\u8ddd\u57fa\u4e8e\u4f20\u7edf\u7684\u58f0\u5450\u539f\u7406\uff1a<\/p>\n<ol>\n<li>MCU \u62c9\u9ad8 TRIG Pin 10\u00b5s<\/li>\n<li>HC-SR04 \u53d1\u51fa 40kHz \u8d85\u58f0\u6ce2<\/li>\n<li>\u9047\u5230\u969c\u788d\u7269\u53cd\u5c04\u540e\u5728 ECHO Pin \u4e0a\u4ea7\u751f\u9ad8\u7535\u5e73<\/li>\n<li>STM32 \u901a\u8fc7\u8ba1\u65f6\u6d4b\u5f97\u9ad8\u7535\u5e73\u5bbd\u5ea6<\/li>\n<\/ol>\n<p>\u6574\u4e2a\u8fc7\u7a0b\u4f7f\u7528 STM32 \u7684\u8ba1\u65f6\u4e0e GPIO \u6355\u83b7\u5373\u53ef\u5b9e\u73b0\u3002<\/p>\n<h4>2. OLED \u663e\u793a\u903b\u8f91<\/h4>\n<p>OLED \u4f1a\u4ee5\u4e24\u79cd\u65b9\u5f0f\u663e\u793a\u8ddd\u79bb\uff1a<\/p>\n<ul>\n<li><strong>\u6570\u5b57\u663e\u793a<\/strong>\uff1a\u5b9e\u65f6\u8ddd\u79bb\u503c\uff08cm\uff09<\/li>\n<li><strong>\u5b89\u5168\u63d0\u793a<\/strong>\uff1a\u6839\u636e\u9608\u503c\u663e\u793a\u201c\u5b89\u5168 \/ \u8b66\u544a \/ \u5371\u9669\u201d<\/li>\n<li><strong>\u52a8\u6001\u6761\u5f62\u56fe<\/strong>\uff1a\u53ef\u6269\u5c55\u4e3a\u6a2a\u5411\u8ddd\u79bb\u52a8\u753b\u6548\u679c<\/li>\n<\/ul>\n<p>\u754c\u9762\u7b80\u5355\u76f4\u89c2\uff0c\u9002\u5408\u4f5c\u4e3a\u5012\u8f66\u8f85\u52a9\u7684\u53ef\u89c6\u5316\u754c\u9762\u3002<br \/><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000047465685\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" title=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" loading=\"lazy\"><\/p>\n<h4>3. \u6309\u952e\u4e2d\u65ad\uff08EXTI\uff09\u529f\u80fd<\/h4>\n<p>\u6309\u952e\u53ef\u8bbe\u7f6e\u4e3a\uff1a<\/p>\n<ul>\n<li>\u91cd\u7f6e\u6d4b\u8ddd<\/li>\n<li>\u6253\u5f00\/\u5173\u95ed\u96f7\u8fbe<\/li>\n<li>\u5207\u6362\u663e\u793a\u6a21\u5f0f<\/li>\n<\/ul>\n<p>EXTI \u4e2d\u65ad\u54cd\u5e94\u8fc5\u901f\uff0c\u907f\u514d\u4e3b\u5faa\u73af\u963b\u585e\u3002<\/p>\n<hr>\n<h3>\u56db\u3001\u9879\u76ee\u4ee3\u7801\u7ed3\u6784\u7b80\u4ecb<\/h3>\n<blockquote><p>\u4ee5\u4e0b\u4e3a\u4e3b\u8981\u529f\u80fd\u6a21\u5757\uff08\u4f2a\u4ee3\u7801\u5f62\u5f0f\uff09\uff1a<\/p><\/blockquote>\n<pre><code class=\"c\">while (1) {\n    trigger_HCSR04();\n    delay_us(10);\n\n    duration = read_echo_time();\n    distance = duration \/ 58.0;\n\n    SSD1306_Clear();\n    SSD1306_GotoXY(0,0);\n    SSD1306_Printf(&quot;Dist: %.2f cm&quot;, distance);\n\n    if(distance &lt; 10) {\n        SSD1306_Printf(&quot;  Danger!&quot;);\n    } else if(distance &lt; 30) {\n        SSD1306_Printf(&quot;  Warning&quot;);\n    } else {\n        SSD1306_Printf(&quot;  Safe&quot;);\n    }\n    SSD1306_UpdateScreen();\n\n    delay_ms(100);\n}<\/code><\/pre>\n<p>\u5b9e\u9645\u5de5\u7a0b\u4e2d\u53ef\u52a0\u5165\uff1a<\/p>\n<ul>\n<li>\u5361\u5c14\u66fc\u6ee4\u6ce2 \/ \u9012\u63a8\u5e73\u5747\u6ee4\u6ce2<\/li>\n<li>\u6d4b\u8ddd\u9650\u5e45<\/li>\n<li>\u56fe\u5f62 UI<\/li>\n<li>\u8702\u9e23\u5668\u544a\u8b66<\/li>\n<li>\u591a\u70b9\u6d4b\u8ddd\uff08\u53ef\u6269\u5c55\u4e3a 4 \u70b9\u5012\u8f66\u96f7\u8fbe\uff09<\/li>\n<\/ul>\n<hr>\n<h3>\u4e94\u3001\u6574\u4f53\u6548\u679c\u4e0e\u6f14\u793a\u8bf4\u660e<\/h3>\n<p>\u5b9e\u9645\u8fd0\u884c\u6548\u679c\u5982\u4e0b\uff1a<\/p>\n<ul>\n<li>OLED \u5b9e\u65f6\u5237\u65b0\u8ddd\u79bb\u6570\u636e<\/li>\n<li>\u968f\u8ddd\u79bb\u53d8\u5316\u663e\u793a\u4e0d\u540c\u63d0\u793a<\/li>\n<li>HC-SR04 \u6d4b\u91cf\u7a33\u5b9a\u3001\u54cd\u5e94\u7075\u654f<\/li>\n<li>\u6309\u952e\u53ef\u968f\u65f6\u91cd\u7f6e\u6216\u5207\u6362\u6a21\u5f0f<\/li>\n<\/ul>\n<p>\u6574\u4e2a\u9879\u76ee\u4e0a\u624b\u7b80\u5355\uff0c\u5374\u53c8\u80fd\u4ece\u4e2d\u5b66\u4e60 PWM\u3001\u5b9a\u65f6\u5668\u3001GPIO \u4e2d\u65ad\u3001I2C \u901a\u4fe1\u3001OLED \u9a71\u52a8\u7b49\u6838\u5fc3\u77e5\u8bc6\u3002<\/p>\n<hr>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000047465686\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" title=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" loading=\"lazy\"><\/p>\n<h3>\u516d\u3001\u603b\u7ed3<\/h3>\n<p>\u8fd9\u662f\u4e00\u4e2a <strong>\u975e\u5e38\u9002\u5408\u4f5c\u4e3a\u5165\u95e8\u6216\u8bfe\u7a0b\u8bbe\u8ba1<\/strong> \u7684\u5c0f\u9879\u76ee\u3002<\/p>\n<ul>\n<li>\u7ed3\u6784\u7b80\u5355<\/li>\n<li>\u529f\u80fd\u660e\u786e<\/li>\n<li>\u6613\u6269\u5c55\u6027\u5f3a<\/li>\n<li>\u501f\u52a9 SSD1306 \u4e0e DWT-Delay \u80fd\u5feb\u901f\u4e0a\u624b<\/li>\n<\/ul>\n<p>\u672c\u9879\u76ee\u57fa\u4e8e STM32F103C8T6\uff0c\u7ed3\u5408 HC-SR04 \u8d85\u58f0\u6ce2\u6d4b\u8ddd\u6a21\u5757\u4e0e OLED \u663e\u793a\u5c4f\uff0c\u5b9e\u73b0\u4e86\u4e00\u4e2a\u7ed3\u6784\u7b80\u6d01\u3001\u529f\u80fd\u660e\u786e\u7684\u5012\u8f66\u96f7\u8fbe\u7cfb\u7edf\u3002\u901a\u8fc7 SSD1306 \u9a71\u52a8\u5e93\u5b8c\u6210\u56fe\u5f62\u5316\u754c\u9762\u8f93\u51fa\uff0c\u901a\u8fc7 DWT-Delay \u63d0\u4f9b\u9ad8\u7cbe\u5ea6\u5ef6\u65f6\uff0c\u4ee5\u786e\u4fdd\u6d4b\u8ddd\u8fc7\u7a0b\u7684\u7a33\u5b9a\u6027\u548c\u53ef\u9760\u6027\u3002\u6574\u4e2a\u9879\u76ee\u4e0d\u4ec5\u5e2e\u52a9\u521d\u5b66\u8005\u7406\u89e3 STM32 \u7684 GPIO\u3001\u5b9a\u65f6\u5668\u3001I2C \u901a\u4fe1\u4e0e\u4e2d\u65ad\u5904\u7406\u7b49\u5173\u952e\u77e5\u8bc6\u70b9\uff0c\u8fd8\u63d0\u4f9b\u4e86\u4e00\u4e2a\u53ef\u6269\u5c55\u6027\u6781\u5f3a\u7684\u5e73\u53f0\u3002\u65e0\u8bba\u662f\u589e\u52a0\u8702\u9e23\u5668\u62a5\u8b66\u3001\u52a0\u5165\u6ee4\u6ce2\u7b97\u6cd5\u3001\u8fd8\u662f\u6269\u5c55\u591a\u70b9\u6d4b\u8ddd\uff0c\u90fd\u53ef\u4ee5\u5728\u73b0\u6709\u6846\u67b6\u4e0a\u987a\u5229\u5b8c\u6210\u3002\u5e0c\u671b\u8fd9\u4e00\u9879\u76ee\u80fd\u4e3a\u4f60\u5728\u5d4c\u5165\u5f0f\u5f00\u53d1\u9053\u8def\u4e0a\u63d0\u4f9b\u826f\u597d\u7684\u53c2\u8003\u4e0e\u542f\u53d1\u3002<\/p>\n<p><a href=\"https:\/\/segmentfault.com\/a\/1190000047465681\">https:\/\/segmentfault.com\/a\/1190000047465681<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3010\u6e90\u7801\u5f00\u6e90\u3011\u57fa\u4e8eSTM32\u7684\u5012\u8f66\u96f7\u8fbe\u9879\u76ee \u2014\u2014 OLED \u5b9e\u65f6\u663e\u793a + HC-SR04 \u6d4b\u8ddd\u6a21\u5757 \u5728\u5d4c\u5165\u5f0f\u5b66\u4e60 [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-10021112","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\/10021112","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10021112"}],"version-history":[{"count":0,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10021112\/revisions"}],"wp:attachment":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10021112"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10021112"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10021112"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}