{"id":336,"date":"2024-12-04T18:47:08","date_gmt":"2024-12-04T10:47:08","guid":{"rendered":"https:\/\/aimc.skyate.com\/?p=336"},"modified":"2025-01-27T16:49:52","modified_gmt":"2025-01-27T08:49:52","slug":"uart_and_uart_interrupt","status":"publish","type":"post","link":"https:\/\/aimc.skyate.com\/index.php\/2024\/12\/04\/uart_and_uart_interrupt\/","title":{"rendered":"\u3010\u9636\u6bb5\u4e00\u30114 \u4e32\u53e3\u4e0e\u4e32\u53e3\u4e2d\u65ad"},"content":{"rendered":"\n<p><a href=\"https:\/\/aimc.skyate.com\/index.php\/2024\/11\/06\/intelligent_system_design_tutorial_0\/\">\u3010\u6982\u8ff0\u30110 \u4ec0\u4e48\u662f\u667a\u80fd\u7cfb\u7edf<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/aimc.skyate.com\/index.php\/2024\/11\/09\/%e3%80%90%e9%98%b6%e6%ae%b5%e4%b8%80%e3%80%911-platformio%e7%8e%af%e5%a2%83%e9%85%8d%e7%bd%ae%e5%92%8cgpio\/\">\u3010\u9636\u6bb5\u4e00\u30111 PlatformIO\u73af\u5883\u914d\u7f6e\u548cGPIO<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/aimc.skyate.com\/index.php\/2024\/11\/16\/esp32_part2_pwm\/\">\u3010\u9636\u6bb5\u4e00\u30112 PWM\u4e0e\u7535\u673a\u63a7\u5236<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/aimc.skyate.com\/index.php\/2024\/11\/24\/external-breaks-and-timer-breaks\/\">\u3010\u9636\u6bb5\u4e00\u30113 \u5916\u90e8\u4e2d\u65ad\u548c\u5b9a\u65f6\u5668\u4e2d\u65ad<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/aimc.skyate.com\/index.php\/2024\/12\/04\/uart_and_uart_interrupt\/\">\u3010\u9636\u6bb5\u4e00\u30114 \u4e32\u53e3\u4e0e\u4e32\u53e3\u4e2d\u65ad<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/aimc.skyate.com\/index.php\/2024\/12\/07\/esp32_part5_i2c_and_mpu6050\/\">\u3010\u9636\u6bb5\u4e00\u30115 I2C\u4e0eMPU6050\u6a21\u5757<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/aimc.skyate.com\/index.php\/2024\/12\/17\/esp32_part6_car\/\">\u3010\u9636\u6bb5\u4e00\u30116 \u57fa\u7840\u5c0f\u8f66\u8bbe\u8ba1<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/aimc.skyate.com\/index.php\/2025\/01\/27\/ai_system_introduction\/\">\u3010\u9636\u6bb5\u4e8c\u30117 \u667a\u80fd\u7cfb\u7edf\u6982\u8ff0<\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4.1 \u6570\u636e\u4f20\u8f93\u65b9\u5f0f<\/h3>\n\n\n\n<p>\u7ec8\u7aef\u4e0e\u5176\u4ed6\u8bbe\u5907\u901a\u8fc7\u6570\u636e\u4f20\u8f93\u8fdb\u884c\u901a\u4fe1\u3002\u6570\u636e\u4f20\u8f93\u53ef\u4ee5\u901a\u8fc7\u4e24\u79cd\u65b9\u5f0f\u8fdb\u884c\u2014\u2014\u4e32\u884c\u901a\u4fe1\u548c\u5e76\u884c\u901a\u4fe1\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">4.1.1 \u4e32\u884c\u901a\u4fe1<\/h4>\n\n\n\n<p>\u4e32\u884c\u901a\u4fe1\u662f\u6307\u4f7f\u7528\u4e00\u6761\u6570\u636e\u7ebf\uff0c\u5c06\u6570\u636e\u4e00\u4f4d\u4e00\u4f4d\u5730\u4f9d\u6b21\u4f20\u8f93\uff0c\u6bcf\u4e00\u4f4d\u6570\u636e\u5360\u636e\u4e00\u4e2a\u56fa\u5b9a\u7684\u65f6\u95f4\u957f\u5ea6\u3002\u5176\u53ea\u9700\u8981\u5c11\u6570\u51e0\u6761\u7ebf\u5c31\u53ef\u4ee5\u5728\u7cfb\u7edf\u95f4\u4ea4\u6362\u4fe1\u606f\uff0c\u7279\u522b\u4f7f\u7528\u4e8e\u8ba1\u7b97\u673a\u4e0e\u8ba1\u7b97\u673a\u3001\u8ba1\u7b97\u673a\u4e0e\u5916\u8bbe\u4e4b\u95f4\u7684\u8fdc\u8ddd\u79bb\u901a\u4fe1\u3002<\/p>\n\n\n\n<p>\u4e32\u884c\u6570\u636e\u4f20\u8f93\u65f6\uff0c\u6570\u636e\u662f\u4e00\u4f4d\u4e00\u4f4d\u5730\u5728\u901a\u4fe1\u7ebf\u4e0a\u4f20\u8f93\u7684\uff0c\u5148\u7531\u5177\u6709\u51e0\u4f4d\u603b\u7ebf\u7684\u8ba1\u7b97\u673a\u5185\u7684\u53d1\u9001\u8bbe\u5907\uff0c\u5c06\u51e0\u4f4d\u5e76 \u884c\u6570\u636e\u7ecf\u5e76-\u4e32\u8f6c\u6362\u786c\u4ef6\u8f6c\u6362\u6210\u4e32\u884c\u65b9\u5f0f\uff0c\u518d\u9010\u4f4d\u7ecf\u4f20\u8f93\u7ebf\u5230\u8fbe\u63a5\u6536\u7ad9\u7684\u8bbe\u5907\u4e2d\uff0c\u5e76\u5728\u63a5\u6536\u7aef\u5c06\u6570\u636e\u4ece\u4e32\u884c\u65b9\u5f0f\u91cd \u65b0\u8f6c\u6362\u6210\u5e76\u884c\u65b9\u5f0f\uff0c\u4ee5\u4f9b\u63a5\u6536\u65b9\u4f7f\u7528\u3002\u4e32\u884c\u6570\u636e\u4f20\u8f93\u7684\u901f\u5ea6\u8981\u6bd4\u5e76\u884c\u4f20\u8f93\u6162\u5f97\u591a\uff0c\u4f46\u5bf9\u4e8e\u8986\u76d6\u9762\u6781\u5176\u5e7f \u9614\u7684\u516c\u7528\u7535\u8bdd\u7cfb\u7edf\u6765\u8bf4\u5177\u6709\u66f4\u5927\u7684\u73b0\u5b9e\u610f\u4e49\u3002<\/p>\n\n\n\n<p>\u4e32\u884c\u6570\u636e\u901a\u4fe1\u7684\u65b9\u5411\u6027\u7ed3\u6784\u6709\u4e09\u79cd\uff1a\u5355\u5de5\u3001\u534a\u53cc\u5de5\u3001\u5168\u53cc\u5de5<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"558\" height=\"536\" src=\"https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/12\/21b796c7-b61a-4534-b64f-b95170b45138.png\" alt=\"\" class=\"wp-image-341\" srcset=\"https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/12\/21b796c7-b61a-4534-b64f-b95170b45138.png 558w, https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/12\/21b796c7-b61a-4534-b64f-b95170b45138-300x288.png 300w\" sizes=\"auto, (max-width: 558px) 100vw, 558px\" \/><\/figure>\n\n\n\n<p>\u5355\u5de5\uff1a\u5728\u4efb\u4f55\u65f6\u523b\u90fd\u53ea\u80fd\u8fdb\u884c\u4e00\u4e2a\u65b9\u5411\u7684\u901a\u8baf\uff0c\u5373\u4e00\u4e2a\u56fa\u5b9a\u4e3a\u53d1\u9001\u8bbe\u5907\uff0c\u53e6\u4e00\u4e2a\u56fa\u5b9a\u4e3a\u63a5\u6536\u8bbe\u5907\uff1b<\/p>\n\n\n\n<p>\u4e3e\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\uff1a\u5355\u5de5\u5c31\u7c7b\u4f3c\u4e8e\u6211\u4eec\u7ecf\u5e38\u89c1\u5230\u7684\u5355\u5411\u8f66\u9053\uff0c\u53ea\u5141\u8bb8\u5411\u4e00\u4e2a\u65b9\u5411\u8fdb\u884c\u3002<\/p>\n\n\n\n<p>\u534a\u53cc\u5de5\uff1a\u4e24\u4e2a\u8bbe\u5907\u4e4b\u95f4\u53ef\u4ee5\u6536\u53d1\u6570\u636e\uff0c\u4f46\u4e0d\u80fd\u5728\u540c\u4e00\u65f6\u523b\u8fdb\u884c\uff1b<\/p>\n\n\n\n<p>\u4e3e\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\uff1a\u534a\u53cc\u5de5\u7c7b\u4f3c\u4e8e\u4e00\u4e2a\u7a84\u8def\u53cc\u5411\u8f66\u9053\uff0c\u6bcf\u6b21\u53ea\u5141\u8bb8\u5411\u4e00\u4e2a\u65b9\u5411\u524d\u8fdb\uff0c\u4e24\u8fb9\u4e0d\u80fd\u540c\u65f6\u884c\u8fdb\uff0c\u5426\u5219\u5c31\u4f1a\u628a \u8def\u5835\u6b7b\u3002<\/p>\n\n\n\n<p>\u5168\u53cc\u5de5\uff1a\u5728\u540c\u4e00\u65f6\u523b\uff0c\u4e24\u4e2a\u8bbe\u5907\u4e4b\u95f4\u53ef\u4ee5\u540c\u65f6\u6536\u53d1\u6570\u636e\u3002<\/p>\n\n\n\n<p>\u4e3e\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\uff1a\u5168\u53cc\u5de5\u7c7b\u5c31\u50cf\u6211\u4eec\u7684\u6b63\u5e38\u53cc\u5411\u8f66\u9053\uff0c\u8f66\u6d41\u53ef\u4ee5\u540c\u65f6\u5f80\u4e24\u4e2a\u65b9\u5411\u884c\u8fdb\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">4.1.2 \u5e76\u884c\u901a\u4fe1<\/h4>\n\n\n\n<p>\u5e76\u884c\u901a\u4fe1\u662f\u6307\u5728\u8ba1\u7b97\u673a\u548c\u7ec8\u7aef\u4e4b\u95f4\u7684\u6570\u636e\u4f20\u8f93\u901a\u5e38\u662f\u9760\u7535\u7f06\u6216\u4fe1\u9053\u4e0a\u7684\u7535\u6d41\u6216\u7535\u538b\u53d8\u5316\u5b9e\u73b0\u7684\u3002\u5982\u4e00\u7ec4\u6570\u636e\u7684\u5404\u6570\u636e\u4f4d\u5728\u591a\u6761\u7ebf\u4e0a\u540c\u65f6\u88ab\u4f20\u8f93\u3002<\/p>\n\n\n\n<p>\u5e76\u884c\u901a\u4fe1\u65f6\u6570\u636e\u7684\u5404\u4e2a\u4f4d\u540c\u65f6\u4f20\u9001\uff0c\u53ef\u4ee5\u5b57\u6216\u5b57\u8282\u4e3a\u5355\u4f4d\u5e76\u884c\u8fdb\u884c\u3002\u5e76\u884c\u901a\u4fe1\u901f\u5ea6\u5feb\uff0c\u4f46\u7528\u7684\u901a\u4fe1\u7ebf\u591a\u3001\u6210\u672c\u9ad8\uff0c\u6545\u4e0d\u5b9c\u8fdb\u884c\u8fdc\u8ddd\u79bb\u901a\u4fe1\u3002\u8ba1\u7b97\u673a\u6216plc\u5404\u79cd\u5185\u90e8\u603b\u7ebf\u5c31\u662f\u4ee5\u5e76\u884c\u65b9\u5f0f\u4f20\u9001\u6570\u636e\u7684\u3002\u53e6\u5916\uff0c\u5728PLC\u5e95\u677f\u4e0a\uff0c\u5404\u79cd\u6a21\u5757\u4e4b\u95f4\u901a\u8fc7\u5e95\u677f\u603b\u7ebf\u4ea4\u6362\u6570\u636e\u4e5f\u4ee5\u5e76\u884c\u65b9\u5f0f\u8fdb\u884c\u3002<\/p>\n\n\n\n<p>\u5e76\u884c\u901a\u4fe1\u4f20\u8f93\u4e2d\u6709\u591a\u4e2a\u6570\u636e\u4f4d\uff0c\u540c\u65f6\u5728\u4e24\u4e2a\u8bbe\u5907\u4e4b\u95f4\u4f20\u8f93\u3002\u53d1\u9001\u8bbe\u5907\u5c06\u8fd9\u4e9b\u6570\u636e\u4f4d\u901a\u8fc7 \u5bf9\u5e94\u7684\u6570\u636e\u7ebf\u4f20\u9001\u7ed9\u63a5\u6536\u8bbe\u5907\uff0c\u8fd8\u53ef\u9644\u52a0\u4e00\u4f4d\u6570\u636e\u6821\u9a8c\u4f4d\u3002\u63a5\u6536\u8bbe\u5907\u53ef\u540c\u65f6\u63a5\u6536\u5230\u8fd9\u4e9b\u6570\u636e\uff0c\u4e0d\u9700\u8981\u505a\u4efb\u4f55\u53d8\u6362\u5c31\u53ef\u76f4\u63a5\u4f7f\u7528\u3002\u5e76\u884c\u65b9\u5f0f\u4e3b\u8981\u7528\u4e8e\u8fd1\u8ddd\u79bb\u901a\u4fe1\u3002\u8ba1\u7b97\u673a\u5185\u7684\u603b\u7ebf\u7ed3\u6784\u5c31\u662f\u5e76\u884c\u901a\u4fe1\u7684\u4f8b\u5b50\u3002\u8fd9\u79cd\u65b9\u6cd5\u7684\u4f18\u70b9\u662f\u4f20\u8f93\u901f\u5ea6\u5feb\uff0c\u5904\u7406\u7b80\u5355\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"417\" height=\"402\" src=\"https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/12\/62074077-ed25-4eb9-aef4-e16eb65f5906.png\" alt=\"\" class=\"wp-image-346\" srcset=\"https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/12\/62074077-ed25-4eb9-aef4-e16eb65f5906.png 417w, https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/12\/62074077-ed25-4eb9-aef4-e16eb65f5906-300x289.png 300w\" sizes=\"auto, (max-width: 417px) 100vw, 417px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>4.1.3 <\/strong><strong>\u5e76\u884c\u901a\u4fe1<\/strong><strong>\u548c\u4e32\u884c\u901a\u4fe1\u7684\u6bd4\u8f83<\/strong><\/h4>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"979\" height=\"180\" src=\"https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/12\/991dc77a-dbd3-43a4-91b4-2014e91ad90e.png\" alt=\"\" class=\"wp-image-339\" srcset=\"https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/12\/991dc77a-dbd3-43a4-91b4-2014e91ad90e.png 979w, https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/12\/991dc77a-dbd3-43a4-91b4-2014e91ad90e-300x55.png 300w, https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/12\/991dc77a-dbd3-43a4-91b4-2014e91ad90e-768x141.png 768w\" sizes=\"auto, (max-width: 979px) 100vw, 979px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">4.2 \u521d\u8bc6\u4e32\u53e3<\/h3>\n\n\n\n<p>\u4e32\u53e3\uff0c\u5168\u540d\u53eb\u505a\u4e32\u884c\u7aef\u53e3\uff08Serial port\uff09\u3002<\/p>\n\n\n\n<p>\u4e32\u53e3\u6839\u636e\u901a\u8baf\u7684\u6570\u636e\u540c\u6b65\u65b9\u5f0f\uff0c\u53c8\u5206\u4e3a\u540c\u6b65\u548c\u5f02\u6b65\u4e24\u79cd\uff0c\u63a5\u4e0b\u6765\u6211\u4f1a\u7ed9\u5927\u5bb6\u8be6\u7ec6\u4ecb\u7ecd\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">4.2.1 \u5982\u4f55\u67e5\u770b\u4e32\u53e3<\/h4>\n\n\n\n<p>\u5927\u5bb6\u73b0\u5728\u53ef\u4ee5\u8ddf\u968f\u6211\u7684\u64cd\u4f5c\u6765\u67e5\u770b\u81ea\u5df1\u7535\u8111\u7684\u4e32\u884c\u7aef\u53e3\u53f7\u3002<\/p>\n\n\n\n<p>\u9996\u5148\u53f3\u51fb\u6211\u4eec\u7684\u6b64\u7535\u8111\uff0c\u7136\u540e\u5355\u51fb\u6211\u4eec\u7684\u7ba1\u7406\u9009\u9879\uff0c\u5355\u673a\u8bbe\u5907\u7ba1\u7406\u5668\uff0c\u5355\u51fb\u7aef\u53e3\uff0c\u8fd9\u6837\u5c31\u53ef\u4ee5\u770b\u5230\u6211\u4eec\u7684\u7aef\u53e3\u53f7\u8fa3\uff01<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"522\" height=\"476\" src=\"https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/12\/8e24b8ca-e50b-42ab-a97a-1b3c9c54f35a.png\" alt=\"\" class=\"wp-image-342\" srcset=\"https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/12\/8e24b8ca-e50b-42ab-a97a-1b3c9c54f35a.png 522w, https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/12\/8e24b8ca-e50b-42ab-a97a-1b3c9c54f35a-300x274.png 300w\" sizes=\"auto, (max-width: 522px) 100vw, 522px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"463\" height=\"543\" src=\"https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/12\/5d8984b3-280d-4bc6-a322-adad6b273949.png\" alt=\"\" class=\"wp-image-348\" srcset=\"https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/12\/5d8984b3-280d-4bc6-a322-adad6b273949.png 463w, https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/12\/5d8984b3-280d-4bc6-a322-adad6b273949-256x300.png 256w\" sizes=\"auto, (max-width: 463px) 100vw, 463px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1478\" height=\"1062\" src=\"https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/12\/802125f4-06a8-4d17-bb90-51a4709b11b4.png\" alt=\"\" class=\"wp-image-355\" srcset=\"https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/12\/802125f4-06a8-4d17-bb90-51a4709b11b4.png 1478w, https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/12\/802125f4-06a8-4d17-bb90-51a4709b11b4-300x216.png 300w, https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/12\/802125f4-06a8-4d17-bb90-51a4709b11b4-1024x736.png 1024w, https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/12\/802125f4-06a8-4d17-bb90-51a4709b11b4-768x552.png 768w\" sizes=\"auto, (max-width: 1478px) 100vw, 1478px\" \/><\/figure>\n\n\n\n<p>\u5728\u8fd9\u91cc\uff0c\u5927\u5bb6\u5c31\u53ef\u4ee5\u770b\u5230\u4e4b\u95f4\u7684\u7aef\u53e3\u53f7\u8fa3\uff01\u8fd9\u91cc\u9700\u8981\u5927\u5bb6\u6ce8\u610f\u7684\u662f\uff0c\u6bcf\u53f0\u7535\u8111\u7684\u7aef\u53e3\u53f7\u90fd\u4e0d\u76f8\u540c\uff0c\u5728\u6211\u7535\u8111\u4e0a\u7684\u7aef\u53e3\u53f7\u662f\u8fd9\u4fe9\uff0c\u4f46\u662f\u5728\u4f60\u4eec\u7535\u8111\u4e0a\u53ef\u80fd\u662f\u5176\u4ed6\u7684\u7aef\u53e3\u53f7\uff0c\u90a3\u4e48\u5e94\u8be5\u5982\u4f55\u786e\u5b9a\u81ea\u5df1\u6240\u9700\u7684\u7aef\u53e3\u53f7\u5462\uff1f<\/p>\n\n\n\n<p>\u5176\u5b9e\u975e\u5e38\u7b80\u5355\uff0c\u6211\u4eec\u53ea\u9700\u8981\u5c06\u6211\u4eec\u7684CH340\u62d4\u6389\uff0c\u7b49\u5f85\u754c\u9762\u5237\u65b0\uff0c\u5c31\u4f1a\u53d1\u73b0\u5c11\u4e86\u4e00\u4e2a\u7aef\u53e3\u53f7\uff0c\u800c\u8fd9\u4e2a\u7f3a\u5931\u7684\u7aef\u53e3\u53f7\u5c31\u662f\u6211\u4eec\u7684CH340\u7684\u7aef\u53e3\u8fa3\uff01\u662f\u4e0d\u662f\u975e\u5e38\u7b80\u5355\u3002\u6700\u540e\u6211\u4eec\u53ef\u4ee5\u8bb0\u5f55\u4e00\u4e0bCH340\u6240\u5bf9\u5e94\u7684\u7aef\u53e3\u53f7\uff0c\u4ee5\u514d\u540e\u9762\u8bb0\u9519\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">4.2.2 \u4e32\u53e3\u7684\u79cd\u7c7b\u4e0e\u4f5c\u7528<\/h4>\n\n\n\n<h5 class=\"wp-block-heading\">4.2.2.1 \u4e32\u53e3\u7684\u79cd\u7c7b<\/h5>\n\n\n\n<p>\u4e32\u53e3\u5206\u4e3a\u5f88\u591a\u5f88\u591a\u79cd\u7c7b\u522b\uff0c\u4f8b\u5982\u6211\u4eec\u5bb6\u91cc\u65e5\u5e38\u4f7f\u7528\u7684\u7f51\u7ebf\u63a5\u53e3\uff0c\u4e5f\u662f\u540d\u4e3aRJ-45\u7684\u4e32\u53e3\uff1b<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"696\" height=\"614\" src=\"https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/12\/3ffdde74-f54b-4fb1-bd8d-7308b99a7964.png\" alt=\"\" class=\"wp-image-352\" srcset=\"https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/12\/3ffdde74-f54b-4fb1-bd8d-7308b99a7964.png 696w, https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/12\/3ffdde74-f54b-4fb1-bd8d-7308b99a7964-300x265.png 300w\" sizes=\"auto, (max-width: 696px) 100vw, 696px\" \/><\/figure>\n\n\n\n<p>\u53c8\u6bd4\u5982\u6211\u4eec\u6bcf\u5929\u90fd\u9700\u8981\u7528\u5230\u7684USB\u63a5\u53e3\uff0cUSB\u5168\u79f0\u662fUniversal Serial Bus\uff08\u901a\u7528\u4e32\u884c\u603b\u7ebf\uff09\u4e5f\u662f\u4e32\u53e3\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"744\" height=\"691\" src=\"https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/12\/e89e4e74-1e2b-4c9d-b67f-ef178a01f229.png\" alt=\"\" class=\"wp-image-347\" srcset=\"https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/12\/e89e4e74-1e2b-4c9d-b67f-ef178a01f229.png 744w, https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/12\/e89e4e74-1e2b-4c9d-b67f-ef178a01f229-300x279.png 300w\" sizes=\"auto, (max-width: 744px) 100vw, 744px\" \/><\/figure>\n\n\n\n<p>\u4e0d\u8fc7\u4eca\u5929\uff0c\u6211\u4eec\u8981\u804a\u7684\u662f\u5728\u5355\u7247\u673a\u4e2d\u6700\u5e38\u89c1\u7684\u4e32\u53e3\u2014\u2014TTL\u4e32\u53e3\u3002<\/p>\n\n\n\n<p>USART(Universal Synchronous\/Asynchronous Receiver\/Transmitter)\u2014\u2014\u901a\u7528 \u540c\u6b65\u6216\u5f02\u6b65 \u63a5\u6536\u5668\/\u53d1\u9001\u5668\u3002\u6211\u4eec\u4eca\u5929\u6240\u7528\u7684TTL\u4e32\u53e3\u5c31\u662f\u5176\u4e2d\u7684Universal Asynchronous Receiver\/Transmitter(\u901a\u7528\u5f02\u6b65\u63a5\u6536\u5668\/\u53d1\u9001\u5668)\u3002\u6240\u4ee5\u6709\u65f6\u5019\u6211\u4eec\u4e5f\u4f1a\u89c1\u5230UART\u8fd9\u79cd\u7f29\u5199\uff0c\u5373\u4e3a\u901a\u7528\u5f02\u6b65\u63a5\u6536\u5668\/\u53d1\u9001\u5668\u3002<\/p>\n\n\n\n<p>TTL\u4e32\u53e3\u4ec5\u9700\u4e24\u6839\u6570\u636e\u7ebf\u5373\u53ef\u5b8c\u6210\u4e24\u4e2a\u8bbe\u5907\u7684\u53cc\u5411\u901a\u8baf\u3002\u4e00\u6761\u4ece\u53d1\u9001\u6570\u636e\u7684IO\u53e3\u8fde\u63a5\u5230\u63a5\u6536\u6570\u636e\u7684IO\u53e3\uff0c\u53e6\u4e00\u6761\u53cd\u4e4b\u3002\u4e24\u8bbe\u5907\u5728\u6570\u636e\u7ebf\u4e0a\u6309\u7167\u7ea6\u5b9a\u597d\u7684\u9891\u7387\u5207\u6362\u9ad8\u4f4e\u7535\u5e73\uff0c\u4ee3\u88680\u548c1\uff0c\u5373\u53ef\u5b8c\u6210\u901a\u4fe1\u3002<\/p>\n\n\n\n<p>\u7528\u6765\u53d1\u9001\u7684IO\u53e3\u6211\u4eec\u79f0\u4e3aTX(Transmit)\uff0c\u7528\u6765\u63a5\u6536\u7684IO\u53e3\u6211\u4eec\u79f0\u4e3aRX(Receive)\u3002\u6ce8\u610f\uff1a\u5728\u4f7f\u7528\u4e32\u53e3\u65f6\u4e0d\u662f\u4e00\u53f0\u8bbe\u5907\u7684TX\u4e0e\u53e6\u4e00\u53f0\u8bbe\u5907\u7684TX\u8fde\u63a5\uff0c\u800c\u662f\u4e00\u53f0\u8bbe\u5907\u7684TX\u4e0e\u53e6\u4e00\u53f0\u8bbe\u5907\u7684RX\u8fde\u63a5\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1301\" height=\"629\" src=\"https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/12\/d8909bc5-8cab-418c-8e81-ba3c9deda52c.png\" alt=\"\" class=\"wp-image-351\" srcset=\"https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/12\/d8909bc5-8cab-418c-8e81-ba3c9deda52c.png 1301w, https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/12\/d8909bc5-8cab-418c-8e81-ba3c9deda52c-300x145.png 300w, https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/12\/d8909bc5-8cab-418c-8e81-ba3c9deda52c-1024x495.png 1024w, https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/12\/d8909bc5-8cab-418c-8e81-ba3c9deda52c-768x371.png 768w\" sizes=\"auto, (max-width: 1301px) 100vw, 1301px\" \/><\/figure>\n\n\n\n<p>\u9664\u6b64\u4e4b\u5916\uff0c\u6211\u4eec\u5728\u8fde\u63a5\u7ebf\u8def\u65f6\u8fd8\u9700\u8981\u5bf9\u4e24\u8bbe\u5907\u8fdb\u884c\u5171\u5730\u3002\u9700\u8981\u5171\u5730\u662f\u56e0\u4e3a\u6211\u4eec\u5e73\u5e38\u6240\u8bf4\u7684\u7535\u538b\u5176\u5b9e\u662f\u4e00\u4e2a\u76f8\u5bf9\u503c\u3002\u5c31\u662f\u8bf4\u6211\u4eec\u89c4\u5b9a\u4e00\u4e2a\u7535\u52bf\u70b9\u4e3a0V\uff0c\u5219\u5176\u4ed6\u7535\u538b\u5176\u5b9e\u662f\u76f8\u5bf9\u4e8e\u6b64\u7535\u52bf\u70b9\u7684\u5dee\u503c\u3002\u5018\u82e5\u4e24\u8bbe\u5907\u5bf90V\u53c2\u8003\u70b9\u7684\u5b9a\u4e49\u4e0d\u4e00\u6837\uff0c\u5219\u5bf9\u9ad8\u4f4e\u7535\u5e73\u7684\u7406\u89e3\u4e5f\u4f1a\u4e0d\u4e00\u6837\uff0c\uff0c\u5c31\u4f1a\u65e0\u6cd5\u5b8c\u6210\u6b63\u5e38\u7684\u901a\u4fe1\u3002\u6b64\u65f6\u53ea\u8981\u6211\u4eec\u7528\u5bfc\u7ebf\u5c06\u4e24\u8bbe\u5907\u7684\u5730\u8fde\u63a5\u5728\u4e00\u8d77\uff0c\u90a3\u4e48\u4ed6\u4eec\u76840V\u53c2\u8003\u70b9\u5c31\u5728\u540c\u4e00\u6c34\u5e73\u4e0a\uff0c\u5c31\u80fd\u5b9e\u73b0\u6b63\u5e38\u7684\u901a\u4fe1\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1426\" height=\"804\" src=\"https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/12\/aff8dfcf-304f-4989-8db6-c796e393ffbc.png\" alt=\"\" class=\"wp-image-353\" srcset=\"https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/12\/aff8dfcf-304f-4989-8db6-c796e393ffbc.png 1426w, https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/12\/aff8dfcf-304f-4989-8db6-c796e393ffbc-300x169.png 300w, https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/12\/aff8dfcf-304f-4989-8db6-c796e393ffbc-1024x577.png 1024w, https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/12\/aff8dfcf-304f-4989-8db6-c796e393ffbc-768x433.png 768w\" sizes=\"auto, (max-width: 1426px) 100vw, 1426px\" \/><\/figure>\n\n\n\n<h5 class=\"wp-block-heading\">4.2.2.2 \u4e32\u53e3\u7684\u4f5c\u7528<\/h5>\n\n\n\n<p>\u6211\u4eec\u8981\u77e5\u9053\u6211\u4eec\u4e3a\u4ec0\u4e48\u9700\u8981\u4f7f\u7528\u4e32\u53e3\uff1f<\/p>\n\n\n\n<p>\u901a\u4fe1\u7684\u76ee\u7684\uff1a\u786c\u4ef6\u4e4b\u95f4\u901a\u8fc7\u6570\u636e\u8fdb\u884c\u4e92\u76f8\u7684\u4ea4\u6d41\uff0c\u4e32\u53e3\u901a\u4fe1\u5c06\u4e00\u4e2a\u8bbe\u5907\u7684\u6570\u636e\u4f20\u9001\u5230\u53e6\u4e00\u4e2a\u8bbe\u5907\uff0c\u4ee5\u8fbe\u5230\u6269\u5c55\u786c\u4ef6\u7cfb\u7edf\u7684\u76ee\u7684<\/p>\n\n\n\n<p>\u901a\u4fe1\u534f\u8bae\uff1a\u5236\u5b9a\u901a\u4fe1\u7684\u89c4\u5219\uff0c\u901a\u4fe1\u53cc\u65b9\u6309\u7167\u534f\u8bae\u89c4\u5219\u8fdb\u884c\u6570\u636e\u6536\u53d1<\/p>\n\n\n\n<p>\u4e32\u53e3\u901a\u4fe1\u534f\u8bae\u662f\u6307\u89c4\u5b9a\u4e86\u6570\u636e\u5305\u7684\u5185\u5bb9\uff0c\u5305\u542b\u4e86\u8d77\u59cb\u4f4d\u3001\u4e3b\u4f53\u6570\u636e\u3001\u6821\u9a8c\u4f4d\u53ca\u505c\u6b62\u4f4d\uff0c\u53cc\u65b9\u9700\u8981\u7ea6\u5b9a\u4e00\u81f4\u7684\u6570\u636e\u5305\u683c\u5f0f\u624d\u80fd\u6b63\u5e38\u6536\u53d1\u6570\u636e\u7684\u6709\u5173\u89c4\u8303\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">4.2.3 \u4e32\u53e3\u53c2\u6570\u53ca\u4e32\u53e3\u5de5\u4f5c\u539f\u7406<\/h4>\n\n\n\n<h5 class=\"wp-block-heading\">4.2.3.1 \u4e32\u53e3\u53c2\u6570<\/h5>\n\n\n\n<p>\u901a\u8baf\u901f\u7387\uff08\u6ce2\u7279\u7387\u4e0e\u6bd4\u7279\u7387\uff09\u3002<\/p>\n\n\n\n<p>\u8861\u91cf\u901a\u8baf\u6027\u80fd\u7684\u4e00\u4e2a\u975e\u5e38\u91cd\u8981\u7684\u53c2\u6570\u5c31\u662f\u901a\u8baf\u901f\u7387\uff0c\u901a\u5e38\u4ee5\u6bd4\u7279\u7387(Bitrate)\u6765\u8868\u793a\uff0c\u5373\u6bcf\u79d2\u949f\u4f20\u8f93\u7684\u4e8c\u8fdb\u5236\u4f4d\u6570\uff0c\u5355\u4f4d\u4e3a\u6bd4\u7279\u6bcf\u79d2(bit\/s)\u3002\u5728\u8fd9\u91cc\u7ed9\u5927\u5bb6\u8865\u5145\u4e00\u4e2a\u5c0f\u77e5\u8bc6\u70b9\uff1a1byte = 8bit\uff0c\u53731\u5b57\u8282=8\u6bd4\u7279\u3002<\/p>\n\n\n\n<p>\u5bb9\u6613\u4e0e\u6bd4\u7279\u7387\u6df7\u6dc6\u7684\u6982\u5ff5\u662f\u201c\u6ce2\u7279\u7387\u201d(Baudrate)\uff0c\u5b83\u8868\u793a\u6bcf\u79d2\u949f\u4f20\u8f93\u4e86\u591a\u5c11\u4e2a\u7801\u5143\u3002\u800c\u7801\u5143\u662f\u901a\u8baf\u4fe1\u53f7\u8c03\u5236\u7684\u6982\u5ff5\uff0c\u901a\u8baf\u4e2d\u5e38\u7528\u65f6\u95f4\u95f4\u9694\u76f8\u540c\u7684\u7b26\u53f7\u6765\u8868\u793a\u4e00\u4e2a\u4e8c\u8fdb\u5236\u6570\u5b57\uff0c\u8fd9\u6837\u7684\u4fe1\u53f7\u79f0\u4e3a\u7801\u5143\u3002\u5982\u5e38\u89c1\u7684\u901a\u8baf\u4f20\u8f93\u4e2d\uff0c\u75280V\u8868\u793a\u6570\u5b570\uff0c5V \u8868\u793a.\u6570\u5b571\uff0c\u90a3\u4e48\u4e00\u4e2a\u7801\u5143\u53ef\u4ee5\u8868\u793a\u4e24\u79cd\u72b60\u548c1\uff0c\u6240\u4ee5\u4e00\u4e2a\u7801\u5143\u7b49\u4e8e\u4e00\u4e2a\u4e8c\u8fdb\u5236\u6bd4\u7279\u4f4d\uff0c\u6b64\u65f6\u6ce2\u7279\u7387\u7684\u5927\u5c0f\u4e0e\u6bd4\u7279\u7387\u4e00\u81f4\uff1b\u5982\u679c\u5728\u901a\u8baf\u4f20\u8f93\u4e2d\uff0c\u67090V\u30012V\u30014V \u4ee5\u53ca 6V \u5206\u522b\u8868\u793a\u4e8c\u8fdb\u5236\u6570 00\u300101\u300110\u300111\uff0c\u90a3\u4e48\u6bcf\u4e2a\u7801\u5143\u53ef\u4ee5\u8868\u793a\u56db\u79cd\u72b6\u6001\uff0c\u5373\u4e24\u4e2a\u4e8c\u8fdb\u5236\u6bd4\u7279\u4f4d\uff0c\u6240\u4ee5\u7801\u5143\u6570\u662f\u4e8c\u8fdb\u5236\u6bd4\u7279\u4f4d\u6570\u7684\u4e00\u534a\uff0c\u8fd9\u4e2a\u65f6\u5019\u7684\u6ce2\u7279\u7387\u4e3a\u6bd4\u7279\u7387\u7684\u4e00\u534a\u3002<\/p>\n\n\n\n<p>\u56e0\u4e3a\u5f88\u591a\u5e38\u89c1\u7684\u901a\u8baf\u4e2d\u4e00\u4e2a\u7801\u5143\u90fd\u662f\u8868\u793a\u4e24\u79cd\u72b6\u6001\uff0c\u4eba\u4eec\u5e38\u5e38\u76f4\u63a5\u4ee5\u6ce2\u7279\u7387\u6765\u8868\u793a\u6bd4\u7279\u7387\uff0c\u867d\u7136\u4e25\u683c\u6765\u8bf4\u6ca1\u4ec0\u4e48\u9519\u8bef\uff0c\u4f46\u5e0c\u671b\u5927\u5bb6\u80fd\u4e86\u89e3\u5b83\u4eec\u7684\u533a\u522b\u3002<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">4.2.3.2 \u4e32\u53e3\u5de5\u4f5c\u539f\u7406<\/h5>\n\n\n\n<h6 class=\"wp-block-heading\">4.2.3.2.1 \u5bc4\u5b58\u5668<\/h6>\n\n\n\n<p>\u6570\u636e\u7684\u63a5\u6536\u4e0e\u53d1\u9001\u5de5\u4f5c\u4e3b\u8981\u662f\u7531\u53d1\u9001\u6570\u636e\u5bc4\u5b58\u5668\u3001\u53d1\u9001\u79fb\u4f4d\u5bc4\u5b58\u5668\u548cCPU\u5b8c\u6210\uff0c\u63a5\u4e0b\u6765\u8ba9\u6211\u4eec\u770b\u4e00\u6bb5\u5c0f\u52a8\u753b\u6765\u4e86\u89e3\u4e32\u53e3\u5728\u8f6e\u8be2\u6a21\u5f0f\u4e0b\u7684\u5177\u4f53\u7684\u5de5\u4f5c\u6d41\u7a0b~<\/p>\n\n\n\n<p>\u770b\u5b8c\u4e86\u8fd9\u6bb5\u52a8\u753b\uff0c\u76f8\u4fe1\u5927\u5bb6\u5bf9\u4e8e\u8f6e\u8be2\u6a21\u5f0f\u4e0b\u4e32\u53e3\u7684\u6536\u53d1\u6709\u4e86\u4e00\u5b9a\u7684\u7406\u89e3\uff0c\u63a5\u4e0b\u6765\u7531\u6211\u518d\u5e2e\u5927\u5bb6\u68b3\u7406\u4e00\u4e0b\u8f6e\u8be2\u6a21\u5f0f\u4e0b\u4e32\u53e3\u7684\u6536\u53d1\u8fc7\u7a0b\u3002<\/p>\n\n\n\n<p>&nbsp;&nbsp;\u9996\u5148,ESP32\u7684CPU\u4f1a\u4f9d\u6b21\u5c06\u6570\u636e\u79fb\u5230\u5bc4\u5b58\u5668\u4e2d\uff0c\u800c\u53d1\u9001\u79fb\u4f4d\u5bc4\u5b58\u5668\u4e2d\u7684\u6570\u636e\u5219\u4f1a\u6309\u7167\u6211\u4eec\u8bbe\u7f6e\u7684\u6bd4\u7279\u7387\u5c06\u6570\u636e\u8f6c\u6362\u6210\u9ad8\u4f4e\u7535\u5e73\u4eceTX\u5f15\u811a\u8f93\u51fa\uff0c\u53d1\u9001\u6570\u636e\u5bc4\u5b58\u5668\u4e2d\u7684\u6570\u636e\u4f1a\u5728\u53d1\u9001\u79fb\u4f4d\u5bc4\u5b58\u5668\u53d1\u9001\u5b8c\u6210\u4e4b\u540e\u88ab\u79fb\u5230\u53d1\u9001\u79fb\u4f4d\u5bc4\u5b58\u5668\u8fdb\u884c\u4e0b\u4e00\u6b21\u53d1\u9001\uff0c\u968f\u540eCPU\u4f1a\u68c0\u67e5\u53d1\u9001\u6570\u636e\u5bc4\u5b58\u5668\u4e2d\u7684\u6570\u636e\u662f\u5426\u5df2\u7ecf\u79fb\u52a8\u5230\u53d1\u9001\u79fb\u4f4d\u5bc4\u5b58\u5668\uff0c\u7136\u540e\u63a5\u7740\u5c06\u6570\u636e\u79fb\u52a8\u5230\u53d1\u9001\u6570\u636e\u5bc4\u5b58\u5668\u4e2d\u7b49\u5f85\u4e0b\u4e00\u8f6e\u6570\u636e\u53d1\u9001\uff1b\u540c\u7406\uff0c\u63a5\u6536\u79fb\u4f4d\u5bc4\u5b58\u5668\u6bcf\u63a5\u6536\u5b8c\u4e00\u5e27\uff0c\u5c31\u5c06\u6570\u636e\u79fb\u5230\u63a5\u6536\u6570\u636e\u5bc4\u5b58\u5668\uff0c\u800cCPU\u4f1a\u4e00\u76f4\u67e5\u8be2\u6536\u6570\u636e\u5bc4\u5b58\u5668\u4e2d\u662f\u5426\u6709\u65b0\u6570\u636e\u53ef\u8bfb\uff0c\u4e00\u65e6\u68c0\u6d4b\u5230\uff0c\u5c31\u9a6c\u4e0a\u628a\u6570\u636e\u4ece\u5bc4\u5b58\u5668\u79fb\u5230\u6211\u4eec\u7528\u4e8e\u63a5\u53d7\u6570\u636e\u7684\u53d8\u91cf\u4e2d\u3002<\/p>\n\n\n\n<p>\u90a3\u4e48\u4ee5\u4e0a\u5c31\u662f\u6211\u4eec\u7684\u4e32\u53e3\u5728\u8f6e\u8be2\u6a21\u5f0f\u4e0b\u7684\u5de5\u4f5c\u539f\u7406\u8fa3\uff01\u9664\u4e86\u8f6e\u8be2\u6a21\u5f0f\uff0c\u4e32\u53e3\u8fd8\u53ef\u4ee5\u5728\u4e2d\u65ad\u6a21\u5f0f\u4e0b\u5de5\u4f5c\uff0c\u5927\u5bb6\u4e0d\u7528\u7740\u6025\uff0c\u4e32\u53e3\u7684\u4e2d\u65ad\u6a21\u5f0f\u5728\u540e\u9762\u4f1a\u4e3a\u5927\u5bb6\u8be6\u7ec6\u8bb2\u89e3\u3002<\/p>\n\n\n\n<h6 class=\"wp-block-heading\">4.2.3.2.2 \u65f6\u5e8f\u56fe<\/h6>\n\n\n\n<p>\u4e32\u53e3\u65f6\u5e8f\u56fe\u662f\u6307\u5728\u4e32\u53e3\u901a\u4fe1\u8fc7\u7a0b\u4e2d\uff0c\u7528\u6765\u63cf\u8ff0\u6570\u636e\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u5404\u4e2a\u4fe1\u53f7\u7ebf\u72b6\u6001\u53d8\u5316\u548c\u65f6\u95f4\u5173\u7cfb\u7684\u56fe\u5f62\u8868\u793a\u3002<\/p>\n\n\n\n<p>\u7ec4\u6210\u90e8\u5206\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8d77\u59cb\u4f4d\uff1a\u6807\u5fd7\u4e00\u4e2a\u6570\u636e\u5e27\u7684\u5f00\u59cb\uff0c\u56fa\u5b9a\u4e3a\u4f4e\u7535\u5e73\uff0c\u8868\u793a\u4e00\u4e2a\u6570\u636e\u4f20\u8f93\u7684\u5f00\u59cb<\/li>\n\n\n\n<li>\u6570\u636e\u4f4d\uff1a\u6570\u636e\u5e27\u7684\u6709\u6548\u8f7d\u8377\uff0c1\u4e3a\u9ad8\u7535\u5e73\uff0c0\u4e3a\u4f4e\u7535\u5e73\uff0c\u4f4e\u4f4d\u5148\u884c<\/li>\n\n\n\n<li>\u6821\u9a8c\u4f4d\uff1a\u7528\u4e8e\u6570\u636e\u9a8c\u8bc1\uff0c\u6839\u636e\u6570\u636e\u4f4d\u8ba1\u7b97\u5f97\u6765<\/li>\n\n\n\n<li>\u505c\u6b62\u4f4d\uff1a\u7528\u4e8e\u6570\u636e\u5e27\u95f4\u9694\uff0c\u56fa\u5b9a\u4e3a\u9ad8\u7535\u5e73\uff0c\u8868\u793a\u4e00\u4e2a\u6570\u636e\u4f20\u8f93\u7684\u7ed3\u675f<\/li>\n<\/ul>\n\n\n\n<p>\u5bf9\u4e8e\u6b63\u903b\u8f91\u7684TTL\u7535\u5e73\uff0c\u8d77\u59cb\u4f4d\u662f\u4f4e\u7535\u5e73\uff0c\u505c\u6b62\u4f4d\u4e3a\u9ad8\u7535\u5e73\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"589\" height=\"162\" src=\"https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/12\/574d8861-3336-4518-850b-b1701518c0b8.png\" alt=\"\" class=\"wp-image-340\" srcset=\"https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/12\/574d8861-3336-4518-850b-b1701518c0b8.png 589w, https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/12\/574d8861-3336-4518-850b-b1701518c0b8-300x83.png 300w\" sizes=\"auto, (max-width: 589px) 100vw, 589px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"545\" height=\"162\" src=\"https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/12\/ba1d2cf9-c852-464e-94e2-3925b8d35ddb.png\" alt=\"\" class=\"wp-image-338\" srcset=\"https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/12\/ba1d2cf9-c852-464e-94e2-3925b8d35ddb.png 545w, https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/12\/ba1d2cf9-c852-464e-94e2-3925b8d35ddb-300x89.png 300w\" sizes=\"auto, (max-width: 545px) 100vw, 545px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u65f6\u5e8f\u56fe<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"735\" height=\"213\" src=\"https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/12\/6444488f-c6b4-4b2e-be65-59600788b971.png\" alt=\"\" class=\"wp-image-345\" srcset=\"https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/12\/6444488f-c6b4-4b2e-be65-59600788b971.png 735w, https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/12\/6444488f-c6b4-4b2e-be65-59600788b971-300x87.png 300w\" sizes=\"auto, (max-width: 735px) 100vw, 735px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">4.3 \u786c\u4ef6\u51c6\u5907&amp;\u63a5\u7ebf<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">4.3.1 \u786c\u4ef6\u51c6\u5907<\/h4>\n\n\n\n<p>\u6211\u4eec\u672c\u6b21\u5b9e\u9a8c\u9700\u8981\u51c6\u5907\u7684\u786c\u4ef6\u8bbe\u5907\u6709\uff1a<\/p>\n\n\n\n<p>1.ESP32\u5f00\u53d1\u677f\u4e00\u4e2a<\/p>\n\n\n\n<p>2.\u9762\u5305\u677f<\/p>\n\n\n\n<p>3.\u7ea2\u7eff\u706f\u4e00\u4e2a<\/p>\n\n\n\n<p>4.CH340\uff08USB-TTL\uff09\u6a21\u5757\u4e00\u4e2a<\/p>\n\n\n\n<p>5.\u675c\u90a6\u7ebf\u3001\u8df3\u7ebf\u82e5\u5e72<\/p>\n\n\n\n<p>6.Type-C\u6570\u636e\u7ebf\u4e00\u6761<\/p>\n\n\n\n<p>7.CH340\u9a71\u52a8\u5b89\u88c5<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">4.3.2 \u63a5\u7ebf\u539f\u7406\u56fe<\/h4>\n\n\n\n<p>\u539f\u7406\u56fe\u6982\u89c8\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1280\" height=\"960\" src=\"https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/12\/770c0fe8-fc3a-4346-b94e-ab6f6b10d7c9.jpg\" alt=\"\" class=\"wp-image-350\" srcset=\"https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/12\/770c0fe8-fc3a-4346-b94e-ab6f6b10d7c9.jpg 1280w, https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/12\/770c0fe8-fc3a-4346-b94e-ab6f6b10d7c9-300x225.jpg 300w, https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/12\/770c0fe8-fc3a-4346-b94e-ab6f6b10d7c9-1024x768.jpg 1024w, https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/12\/770c0fe8-fc3a-4346-b94e-ab6f6b10d7c9-768x576.jpg 768w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/figure>\n\n\n\n<p>\u6211\u4eec\u672c\u6b21\u4f7f\u7528\u7684\u662fESP32\u7684\u4e32\u53e32\uff0cRX2\u7684\u5f15\u811a\u662f19\uff0cTX2\u7684\u5f15\u811a\u662f20\u3002\u73b0\u5728\u5c31\u8bf7\u5927\u5bb6\u8ddf\u7740\u6211\u6765\u64cd\u4f5c\uff0c\u4e00\u8d77\u6765\u5b66\u4e60\u4e00\u4e0b\u600e\u4e48\u5728\u6587\u4ef6\u4e2d\u67e5\u770b\u6240\u9700\u7684\u5f15\u811a\u5427\u3002<\/p>\n\n\n\n<p>\u63a5\u4e0b\u6765\u8ba9\u6211\u5e26\u7740\u5927\u5bb6\u4e00\u6b65\u4e00\u6b65\u7684\u6765\u5b8c\u6210\u6240\u6709\u786c\u4ef6\u8bbe\u5907\u7684\u63a5\u7ebf\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4.4 \u6570\u636e\u53d1\u9001&amp;\u6570\u636e\u53d1\u9001\u4e0e\u63a5\u6536<\/h3>\n\n\n\n<p>ok\uff01\u6211\u4eec\u7684\u63a5\u7ebf\u5de5\u4f5c\u5230\u76ee\u524d\u4e3a\u6b62\u5df2\u7ecf\u5168\u90e8\u5b8c\u6210\u4e86\uff0c\u7ed9\u5404\u4f4d\u5c0f\u4f19\u4f34\u4eec\u518d\u7559\u4e00\u5206\u949f\u7684\u65f6\u95f4\uff0c\u6839\u636e\u521a\u624d\u7684\u6b65\u9aa4\u518d\u6b21\u68c0\u67e5\u4e00\u4e0b\u63a5\u7ebf\u662f\u5426\u6b63\u786e\u3001\u662f\u5426\u677e\u52a8\u7b49\u95ee\u9898~<\/p>\n\n\n\n<p>\u8d34\u6bb5\u4ee3\u7801\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#include &lt;Arduino.h&gt;\n#include &lt;HardwareSerial.h&gt;\n\nvoid setup() \n{\n  Serial2.begin(9600);\n}\n\nvoid loop()\n{\n  if (Serial2.available())\n  {\n    Serial2.write(Serial2.read());\n  }\n}<\/code><\/pre>\n\n\n\n<p>\u63a5\u4e0b\u6765\u8ba9\u6211\u4eec\u9010\u53e5\u7684\u5206\u6790\u6bcf\u884c\u4ee3\u7801\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#include &lt;HardwareSerial.h&gt;<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>HardwareSerial<\/code>\u5e93\u662f\u4e00\u4e2a\u5185\u7f6e\u4e32\u53e3\u5e93\uff0c\u6211\u4eec\u53ea\u9700\u8981\u5728\u7528\u7684\u65f6\u5019<code>#include<\/code>\u8fd9\u4e2a\u5934\u6587\u4ef6\u5373\u53ef<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>Serial2.begin(9600);<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8fd9\u53e5\u4ee3\u7801\u662f\u521d\u59cb\u5316<code>Serial2<\/code>\uff0c\u5e76\u5c06\u6ce2\u7279\u7387\u8bbe\u7f6e\u4e3a<code>9600<\/code><\/li>\n\n\n\n<li>\u6765\u8ba9\u6211\u4eec\u4e00\u8d77\u770b\u4e00\u4e0b<code>Serial2.begin()<\/code>\u51fd\u6570\u7684\u5177\u4f53\u5b9a\u4e49\uff1a<\/li>\n\n\n\n<li><code>unsigned long baud<\/code>\uff1a\u8fd9\u4e2a\u53c2\u6570\u662f\u6211\u4eec\u7528\u6765\u8bbe\u7f6e\u6ce2\u7279\u7387\u7684<\/li>\n\n\n\n<li><code>uint32_t config<\/code>\uff1a\n<ul class=\"wp-block-list\">\n<li><code>UART_PARITY_DISABLE<\/code>: \u65e0\u6821\u9a8c\u4f4d<\/li>\n\n\n\n<li><code>UART_PARITY_ODD<\/code>: \u5947\u6821\u9a8c<\/li>\n\n\n\n<li><code>UART_PARITY_EVEN<\/code>: \u5076\u6821\u9a8c<\/li>\n\n\n\n<li><code>UART_STOP_BITS_1<\/code>: 1\u4e2a\u505c\u6b62\u4f4d<\/li>\n\n\n\n<li><code>UART_STOP_BITS_2<\/code>: 2\u4e2a\u505c\u6b62\u4f4d<\/li>\n\n\n\n<li><code>UART_DATA_5_BITS<\/code>: 5\u4e2a\u6570\u636e\u4f4d<\/li>\n\n\n\n<li><code>UART_DATA_6_BITS<\/code>: 6\u4e2a\u6570\u636e\u4f4d<\/li>\n\n\n\n<li><code>UART_DATA_7_BITS<\/code>: 7\u4e2a\u6570\u636e\u4f4d<\/li>\n\n\n\n<li><code>UART_DATA_8_BITS<\/code>: 8\u4e2a\u6570\u636e\u4f4d\n<ul class=\"wp-block-list\">\n<li><strong>\u4f8b\uff1a8\u4e2a\u6570\u636e\u4f4d\uff0c1\u4e2a\u505c\u6b62\u4f4d\uff0c\u65e0<\/strong><strong>\u6821\u9a8c\u4f4d<\/strong><\/li>\n\n\n\n<li><code>uint32_t config = UART_DATA_8_BITS | UART_STOP_BITS_1 | UART_PARITY_DISABLE<\/code><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><code>int8_t rxPin<\/code>\uff1a\u8bbe\u7f6eRX\u5f15\u811a<\/li>\n\n\n\n<li><code>int8_t txPin<\/code>\uff1a\u8bbe\u7f6eTX\u5f15\u811a<\/li>\n\n\n\n<li><code>bool invert<\/code>\uff1a\u7528\u4e8e\u6307\u5b9a\u662f\u5426\u9700\u8981\u53cd\u8f6c\u4e32\u53e3\u7684\u4fe1\u53f7\u7535\u5e73\uff0c\u9ed8\u8ba4<code>false<\/code>\u5373\u53ef<\/li>\n\n\n\n<li><code>unsigned long timeout_ms<\/code>\uff1a\u8bbe\u7f6e\u4e32\u53e3\u901a\u4fe1\u7684\u8d85\u65f6\u65f6\u95f4\uff0c\u5728\u8bfb\u53d6\u6570\u636e\u65f6\uff0c\u5982\u679c\u6307\u5b9a\u65f6\u95f4\u5185\u6ca1\u6709\u63a5\u6536\u5230\u65b0\u7684\u6570\u636e\uff0c\u5219\u8ba4\u4e3a\u8bfb\u53d6\u64cd\u4f5c\u8d85\u65f6<\/li>\n\n\n\n<li><code>uint8_t rxfifo_full_thrhd<\/code>\uff1a\u63a5\u53d7\u7f13\u51b2\u533a\u6700\u5927\u9608\u503c<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  if (Serial2.available())\n  {\n    Serial2.write(Serial2.read());\n  }<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5728<code>if<\/code>\u5224\u65ad\u8bed\u53e5\u4e2d\uff0c<code>Serial2.available()<\/code>\u662f\u7528\u6765\u67e5\u8be2\u4e32\u53e32\u7684\u63a5\u6536\u7f13\u51b2\u533a\u4e2d\u662f\u5426\u6709\u5b57\u8282<\/li>\n\n\n\n<li>\u82e5\u67e5\u8be2\u5230\u6709\u5b57\u8282\uff0c\u5219\u5f80\u4e0b\u6267\u884c<code>Serial2.read()<\/code>\uff0c<code>read()<\/code>\u51fd\u6570\u7684\u4f5c\u7528\u662f\u4ece\u4e32\u884c\u901a\u4fe1\u7684\u63a5\u6536\u7f13\u51b2\u533a\u4e2d\u53d6\u51fa\u4e00\u4e2a\u5b57\u8282\u7684\u6570\u636e\u3002\u5728\u8c03\u7528\u6b64\u51fd\u6570\u65f6\uff0c\u5982\u679c\u7f13\u51b2\u533a\u4e2d\u6709\u6570\u636e\uff0c\u5b83\u4f1a\u7acb\u5373\u8fd4\u56de\u5e76\u79fb\u9664\u7f13\u51b2\u533a\u4e2d\u7684\u4e00\u4e2a\u5b57\u8282\uff1b\u5982\u679c\u6ca1\u6709\u6570\u636e\uff0c\u5b83\u4f1a\u7acb\u5373\u8fd4\u56de<code>-1<\/code>\uff1b<code>read()<\/code>\u51fd\u6570\u662f\u963b\u585e\u7684\uff0c\u5b83\u4f1a\u7b49\u5f85\u76f4\u5230\u6709\u6570\u636e\u53ef\u8bfb\u6216\u8005\u8d85\u65f6<\/li>\n\n\n\n<li>\u6700\u540e\u6211\u4eec\u5c06\u8bfb\u53d6\u5230\u7684\u6570\u636e\u7528Serial2.write<code>()<\/code>\u51fd\u6570\u5199\u5165\u5355\u7247\u673a<\/li>\n<\/ul>\n\n\n\n<p>\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u5c31\u9700\u8981\u63d0\u5230CH340\u7684\u7528\u5904\u3002<\/p>\n\n\n\n<p>CH340\u9a71\u52a8\u5c31\u662fUSB\u8f6c\u4e32\u53e3\u7684\u9a71\u52a8\u7684\u4e00\u79cd\uff0c\u56e0\u4e3a\u6211\u4eec\u73b0\u5728\u7684\u7535\u8111\u4e0a\uff0c\u5df2\u7ecf\u4e0d\u5b58\u5728\u4e32\u53e3\uff0c\u6240\u4ee5\u6211\u4eec\u4e00\u822c\u4f7f\u7528USB\u8f6c\u4e32\u53e3\u82af\u7247\uff0c\u76ee\u7684\u53ea\u6709\u4e00\u4e2a\uff0c\u628a\u7535\u8111\u7684USB\u53e3\u6620\u5c04\u4e3a\u4e32\u53e3\u7528\u3002\u5e38\u7528\u7684USB\u8f6c\u4e32\u53e3\u82af\u7247\u6709CH340\u3001CP2102\u3001PL2303\u3001FT232\u7b49\u3002\u82af\u7247\u662fCH340\u7684\u5747\u53ef\u4ee5\u4f7f\u7528\u3002\u5b89\u88c5CH340\u9a71\u52a8\u4e4b\u540e\uff0c\u6211\u4eec\u4f7f\u7528\u7684\u5f00\u53d1\u677f\u5b50\uff08\u5355\u7247\u673a\uff09\u8fde\u63a5\u4e32\u53e3\u5c31\u53ef\u4ee5\u6b63\u5e38\u53d1\u6325\u5176\u529f\u80fd\u4e86\u3002\u7535\u8111usb\u7535\u5e73\u8f6c\u4e3aTTL\u7535\u5e73\u3002<\/p>\n\n\n\n<p>\u73b0\u5728\uff0c\u6211\u4eec\u53ef\u4ee5\u5148\u5c06CH340\u63d2\u5230\u81ea\u5df1\u7684\u7535\u8111\u4e0a\uff0c\u7136\u540e\u6253\u5f00\u81ea\u5df1\u7535\u8111\u7684\u7aef\u53e3\u754c\u9762\u3002\u8fd8\u8bb0\u5f97\u600e\u4e48\u64cd\u4f5c\u5417\uff1f\u8fd9\u91cc\u6211\u518d\u5e26\u5927\u5bb6\u64cd\u4f5c\u4e00\u6b21\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1478\" height=\"1062\" src=\"https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/12\/c7db3d1d-a9f0-4629-905b-7f0d65d1f307.png\" alt=\"\" class=\"wp-image-354\" srcset=\"https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/12\/c7db3d1d-a9f0-4629-905b-7f0d65d1f307.png 1478w, https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/12\/c7db3d1d-a9f0-4629-905b-7f0d65d1f307-300x216.png 300w, https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/12\/c7db3d1d-a9f0-4629-905b-7f0d65d1f307-1024x736.png 1024w, https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/12\/c7db3d1d-a9f0-4629-905b-7f0d65d1f307-768x552.png 768w\" sizes=\"auto, (max-width: 1478px) 100vw, 1478px\" \/><\/figure>\n\n\n\n<p>\u8fd9\u6837\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u770b\u5230\u6211\u4eec\u7684\u7aef\u53e3\u53f7\u4e86(PS\uff1a\u5982\u679c\u6709\u540c\u5b66\u4e0d\u77e5\u9053\u54ea\u4e2a\u662fCH340\u7684\u7aef\u53e3\uff0c\u53ef\u4ee5\u5c06\u5176\u5148\u62d4\u6389\uff0c\u5237\u65b0\u4e4b\u540e\u770b\u4e00\u4e0b\u54ea\u4e2a\u7aef\u53e3\u53f7\u4f1a\u6d88\u5931\uff0c\u8bb0\u4f4f\u5e76\u5c06\u5176\u518d\u63d2\u56de\u539f\u4f4d\u7f6e\uff08\u4e0d\u540c\u7684\u63d2\u53e3\u7aef\u53e3\u53f7\u5404\u4e0d\u76f8\u540c\u54e6\uff01\u540c\u5b66\u4eec\u4e00\u5b9a\u8981\u6ce8\u610f\uff09)<\/p>\n\n\n\n<p>\u5c06\u4e0a\u9762\u7684\u4ee3\u7801\u7f16\u8bd1\u3001\u70e7\u5f55\u5230\u5355\u7247\u673a\u91cc\u9762\u4e4b\u540e\uff0c\u6211\u4eec\u6765\u6253\u5f00\u4e8b\u5148\u5b89\u88c5\u597d\u7684\u4e32\u53e3\u52a9\u624b\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1060\" height=\"832\" src=\"https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/12\/158c9cd2-3c9d-47fe-8f30-e653b6017157.png\" alt=\"\" class=\"wp-image-349\" srcset=\"https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/12\/158c9cd2-3c9d-47fe-8f30-e653b6017157.png 1060w, https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/12\/158c9cd2-3c9d-47fe-8f30-e653b6017157-300x235.png 300w, https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/12\/158c9cd2-3c9d-47fe-8f30-e653b6017157-1024x804.png 1024w, https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/12\/158c9cd2-3c9d-47fe-8f30-e653b6017157-768x603.png 768w\" sizes=\"auto, (max-width: 1060px) 100vw, 1060px\" \/><\/figure>\n\n\n\n<p>\u5c06<code>\u6ce2\u7279\u7387<\/code>\u8bbe\u7f6e\u4e3a<code>9600<\/code>\uff0c<code>\u4e32\u53e3\u9009\u62e9<\/code>\u9009\u62e9\u6211\u4eec\u521a\u521a\u63d0\u5230\u7684\u81ea\u5df1\u7535\u8111\u7684\u7aef\u53e3\u53f7\uff0c\u5355\u51fb<code>\u6253\u5f00\u4e32\u53e3<\/code>\uff0c\u5728\u53d1\u9001\u6846\u5185\u6253\u51fa<code>hello world!<\/code>\u5e76\u53d1\u9001\uff0c\u8fd9\u65f6\uff0c\u6211\u4eec\u6240\u53d1\u9001\u7684\u6570\u636e\u4f1a\u901a\u8fc7\u6211\u4eec\u6240\u9009\u62e9\u7684\u7aef\u53e3\uff0c\u901a\u8fc7CH340\u7684TX\u5f15\u811a\u53d1\u9001\uff0c\u6570\u636e\u6cbf\u7740\u6570\u636e\u7ebf\uff08\u675c\u90a6\u7ebf\uff09\u4f20\u8f93\u5230\u5355\u7247\u673a\u7684RX\u5f15\u811a\u4e0a\u5e76\u5b58\u5230\u7f13\u51b2\u533a\u4e2d\uff0c\u7531\u4e32\u53e32\u8bfb\u53d6\u3002\u6211\u4eec\u53ef\u4ee5\u770b\u5230\uff0c\u4e32\u53e3\u7684RX\u63a5\u6536\u5230\u4e86\u6211\u4eec\u6240\u53d1\u7684\u5b57\u7b26\uff01\u8fd9\u5c31\u5b9e\u73b0\u4e86\u5355\u7247\u673a\u4e32\u53e3\u4e0e\u7535\u8111\u7684\u901a\u4fe1\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1051\" height=\"818\" src=\"https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/12\/3f35d676-968c-4bff-a764-c71d4e75b2c4.png\" alt=\"\" class=\"wp-image-344\" srcset=\"https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/12\/3f35d676-968c-4bff-a764-c71d4e75b2c4.png 1051w, https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/12\/3f35d676-968c-4bff-a764-c71d4e75b2c4-300x233.png 300w, https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/12\/3f35d676-968c-4bff-a764-c71d4e75b2c4-1024x797.png 1024w, https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/12\/3f35d676-968c-4bff-a764-c71d4e75b2c4-768x598.png 768w\" sizes=\"auto, (max-width: 1051px) 100vw, 1051px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">4.5 \u4e32\u53e3\u4e2d\u65ad<\/h3>\n\n\n\n<p>\u524d\u9762\u6211\u4eec\u4f7f\u7528\u4e86\u8f6e\u8be2\u6a21\u5f0f\u53bb\u63a5\u6536\u6211\u4eec\u6240\u53d1\u7684\u5b57\u7b26\uff0c\u4f46\u662f\uff0c\u5728\u8f6e\u8be2\u6a21\u5f0f\u4e0b\uff0c\u6211\u4eec\u7684CPU\u4f1a\u4e00\u76f4\u88ab\u5b57\u7b26\u63a5\u6536\u4e8b\u4ef6\u6240\u5360\u7528\uff0c\u5bfc\u81f4\u5728\u8fd9\u6bb5\u65f6\u95f4\u4e2d\u5176\u4ed6\u7a0b\u5e8f\u65e0\u6cd5\u6b63\u5e38\u8fd0\u884c\u3002\u5f53\u7136\uff0c\u5728\u6211\u4eec\u65e5\u5e38\u5b66\u4e60\u4e2d\u8fd9\u4e00\u5c0f\u6bb5\u65f6\u95f4\u53ef\u80fd\u5f71\u54cd\u5e76\u6ca1\u6709\u8fd9\u4e48\u5927\uff0c\u4f46\u662f\u5728\u5b9e\u9645\u5e94\u7528\u8fc7\u7a0b\u4e2d\u8fd9\u4e00\u5c0f\u6bb5\u65f6\u95f4\u5219\u53ef\u80fd\u4f1a\u5bfc\u81f4\u975e\u5e38\u4e25\u91cd\u7684\u540e\u679c\u3002\u4e8e\u662f\uff0c\u4e0b\u9762\u6211\u4eec\u5c31\u8981\u7528\u5230\u4e32\u53e3\u4e2d\u65ad\u53bb\u6253\u65adCPU\u7684\u7b49\u5f85\uff0c\u5728\u4e0a\u8282\u8bfe\u4e2d\u6211\u4eec\u5df2\u7ecf\u4e86\u89e3\u4e86\u4ec0\u4e48\u662f\u4e2d\u65ad\uff0c\u8fd9\u91cc\u5c31\u4e0d\u518d\u8fc7\u591a\u8d58\u8ff0\uff0c\u90a3\u4e48\uff0c\u4ec0\u4e48\u662f\u4e32\u53e3\u4e2d\u65ad\u5462\uff1f\u8ba9\u6211\u4eec\u5148\u4e00\u8d77\u6765\u770b\u4e00\u6bb5\u52a8\u753b\u6f14\u793a\u3002<\/p>\n\n\n\n<p>\u6211\u4eec\u73b0\u5728\u5df2\u7ecf\u4e86\u89e3\u4e86\u4e2d\u65ad\u7684\u5de5\u4f5c\u539f\u7406\uff0c\u63a5\u4e0b\u6765\u8ba9\u6211\u4eec\u6765\u8fdb\u884c\u4ee3\u7801\u7684\u5b9e\u73b0\u3002<\/p>\n\n\n\n<p>\u8d34\u6bb5\u4ee3\u7801\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#include &lt;Arduino.h&gt;\n#include &lt;HardwareSerial.h&gt;\n\nString recieve_data = \"\";\n\n\/\/\u7f16\u5199\u56de\u8c03\u51fd\u6570\nvoid callback(String command)\n{\n    \/\/\u9700\u8981\u53bb\u5904\u7406\u7684\u4e8b\u4ef6\n    if (command != \"\")\n    {\n        \/\/\u63a5\u6536\u5230\u5b57\u7b26\u4e32\"on\"\u540e\u6240\u505a\u7684\u64cd\u4f5c\n        Serial2.print(\"receive data from Serial2:\");\n        Serial2.println(command);\n    }\n}\n\n\/\/\u4e2d\u65ad\u5904\u7406\u51fd\u6570\nvoid serialEvent2()\n{\n    while (Serial2.available())\n    {\n        char indata = (char)Serial2.read();\n        \n        if (indata == '\\r')\n        {\n            callback(recieve_data);\n            \/\/\u6e05\u7a7a\u63a5\u6536\u7f13\u51b2\u533a\uff0c\u4e3a\u4e0b\u4e00\u6b21\u63a5\u6536\u505a\u51c6\u5907\n            recieve_data = \"\";\n        }\n        \n        else\n        {\n            recieve_data += indata;\n        }\n    }\n}\n\nvoid setup() \n{\n    Serial2.begin(9600);\n}\n\nvoid loop()\n{\n    \/\/\u5904\u7406\u5b8c\u4e2d\u65ad\u56de\u8c03\u51fd\u6570\u4e4b\u540e\u7ee7\u7eed\u6267\u884c\u4e3b\u5faa\u73af\n    Serial2.println(\"looping...\");\n    delay(1000);\n}<\/code><\/pre>\n\n\n\n<p>\u4e0b\u9762\u8ba9\u6211\u4eec\u6765\u4e00\u8d77\u5206\u6790\u8fd9\u6bb5\u4ee3\u7801\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9996\u5148\u8ba9\u6211\u4eec \u6765\u770b\u4e00\u4e0b<code>serialEvent2()<\/code>\u51fd\u6570\uff0c\u6211\u4eec\u9996\u5148\u9009\u4e2d<code>Serial2<\/code>\uff0c\u53f3\u952e\uff0c\u70b9\u51fb\u8f6c\u5230\u58f0\u660e\uff0c\u8fd9\u6837\u6211\u4eec\u5c31\u6253\u5f00\u4e86<code>HardwareSerial.h<\/code>\u6587\u4ef6\uff0c\u5f80\u4e0b\u6ed1\uff0c\u5728\u7b2c166\u5230\u7b2c182\u884c\u53ef\u4ee5\u770b\u5230\u6211\u4eec\u4e32\u53e32\u7684TX\u5f15\u811a\u4e0eRX\u5f15\u811a\u6240\u5bf9\u5e94\u7684GPIO\u53e3\u4e86\u3002\u7136\u540e\u8fd4\u56de<code>main.c<\/code>\uff0c\u9009\u4e2d<code>Serial2<\/code>\uff0c\u53f3\u952e\uff0c\u70b9\u51fb\u8f6c\u5230\u5b9a\u4e49\uff0c\u8fd9\u6837\u6211\u4eec\u5c31\u8fdb\u5165\u4e86<code>HardwareSerial.cpp<\/code>\u6587\u4ef6\uff0c\u6211\u4eec\u5728\u8fd9\u91cc\u53ef\u4ee5\u627e\u5230\u5173\u4e8e\u4e32\u53e3\u7684\u6240\u6709\u51fd\u6570\u3002<\/li>\n\n\n\n<li>\u5728\u7b2c25-36\u884c\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230\u8fd9\u4e48\u51e0\u884c\u4ee3\u7801<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>void serialEvent(void) __attribute__((weak));\nvoid serialEvent(void) {}\n\n#if SOC_UART_NUM &gt; 1\nvoid serialEvent1(void) __attribute__((weak));\nvoid serialEvent1(void) {}\n#endif \/* SOC_UART_NUM &gt; 1 *\/\n\n#if SOC_UART_NUM &gt; 2\nvoid serialEvent2(void) __attribute__((weak));\nvoid serialEvent2(void) {}\n#endif \/* SOC_UART_NUM &gt; 2 *\/<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>serialEvent<\/code>\u3001<code>serialEvent1<\/code>\u4e0e<code>serialEvent2<\/code>\u5206\u522b\u5bf9\u5e94\u7684\u662f\u677f\u8f7d\u4e32\u53e3\u3001\u4e32\u53e31\u4e0e\u4e32\u53e32\u7684\u4e2d\u65ad\u5904\u7406\u51fd\u6570\uff0c\u4e0a\u8282\u8bfe\u6211\u4eec\u5df2\u7ecf\u8bb2\u8fc7\uff0c\u4e2d\u65ad\u5904\u7406\u51fd\u6570\u662f\u5f53\u6ee1\u8db3\u4e00\u5b9a\u6761\u4ef6\u65f6\u81ea\u52a8\u8c03\u7528\u7684\u51fd\u6570\u3002\u5f53\u4e32\u53e32\u7684\u7f13\u51b2\u533a\u6709\u5b57\u8282\u65f6\uff0c\u8c03\u7528<code>Serial2.available()<\/code>\u51fd\u6570\uff0c\u4ea7\u751f\u4e32\u53e3\u4e2d\u65ad<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>String recieve_data = \"\";<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2a\u5168\u5c40\u5b57\u7b26\u4e32\u53d8\u91cf<code>recieve_data <\/code>\u7528\u4e8e\u63a5\u53d6\u6211\u4eec\u8f93\u5165\u7684\u5b57\u7b26\u4e32<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>char indata = (char)Serial2.read();<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5728\u8fd9\u91cc\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2a\u5b57\u7b26\u53d8\u91cf<code>indata <\/code>\u53bb\u63a5\u4e32\u53e32\u8bfb\u5230\u7684\u5b57\u8282\uff0c\u5e76\u5f3a\u5236\u8f6c\u6362\u4e3a\u5b57\u7b26\u7c7b\u578b<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>if (indata == '\\r')\n{\n    callback(recieve_data);\n    \/\/\u6e05\u7a7a\u63a5\u6536\u7f13\u51b2\u533a\uff0c\u4e3a\u4e0b\u4e00\u6b21\u63a5\u6536\u505a\u51c6\u5907\n    recieve_data = \"\";\n}\n\nelse\n{\n    recieve_data += indata;\n}<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e32\u53e3\u6bcf\u63a5\u6536\u5230\u4e00\u4e2a\u5b57\u7b26\uff0c\u90fd\u9700\u8981\u901a\u8fc7<code>if<\/code>\u8bed\u53e5\u5224\u65ad\u63a5\u6536\u5230\u7684\u5b57\u7b26\u662f\u5426\u4e3a\u6362\u884c\u7b26<code>'\\r'<\/code>\uff0c\u82e5\u5426\uff0c\u5219\u5c06\u5b57\u7b26<code>indata<\/code>\u52a0\u5230<code>recieve_data <\/code>\u53d8\u91cf\u4e2d\uff1b\u82e5\u662f\uff0c\u5219\u8c03\u7528\u56de\u8c03\u51fd\u6570<code>callback()<\/code><\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>void callback(String command)\n{\n    \/\/\u9700\u8981\u53bb\u5904\u7406\u7684\u4e8b\u4ef6\n    if (command != \"\")\n    {\n        \/\/\u63a5\u6536\u5230\u5b57\u7b26\u4e32\"on\"\u540e\u6240\u505a\u7684\u64cd\u4f5c\n        Serial2.print(\"receive data from Serial2:\");\n        Serial2.println(command);\n    }\n}<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8fd9\u90e8\u5206\u662f\u56de\u8c03\u51fd\u6570\u7684\u5185\u5bb9\uff0c\u5f53\u6ee1\u8db3<code>if<\/code>\u5224\u65ad\u8bed\u53e5\u65f6\uff0c\u5219\u4e32\u53e32\u6253\u5370<code>receive data from Serial2<\/code><\/li>\n\n\n\n<li>\u6700\u540e\uff0c\u5e94\u6e05\u7a7a\u63a5\u6536\u7f13\u51b2\u533a\uff0c\u4e3a\u4e0b\u4e00\u6b21\u6570\u636e\u63a5\u6536\u505a\u51c6\u5907<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">4.6 \u4f7f\u7528\u4e32\u53e3\u70b9\u4eae\u7ea2\u7eff\u706f<\/h3>\n\n\n\n<p>\u73b0\u5728\uff0c\u6211\u4eec\u5df2\u7ecf\u4e86\u89e3\u4e86\u4e2d\u65ad\u7684\u539f\u7406\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528\u4e32\u53e3\u4e2d\u65ad\uff0c\u90a3\u4e48\u73b0\u5728\u5c31\u8ba9\u6211\u4eec\u6765\u52a8\u624b\u76f4\u89c2\u7684\u611f\u53d7\u4e00\u4e0b\u4e32\u53e3\u4e2d\u65ad\u5427\uff01<\/p>\n\n\n\n<p>\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u5728<code>loop()<\/code>\u5faa\u73af\u4e2d\u4f7f\u7528\u4e32\u53e3\u6301\u7eed\u6253\u5370\u5b57\u7b26\u4e32<code>looping...<\/code>\uff0c\u7136\u540e\u6211\u4eec\u5c06\u4f7f\u7528\u4e32\u53e3\u4e2d\u65ad\u70b9\u4eae\u4e00\u4e2a\u7ea2\u7eff\u706f\u3002\u5f53\u53d1\u9001<code>&lt;LED:on&gt;<\/code>\u65f6\uff0c\u7ea2\u706f\u4eae\uff0c\u5e76\u4f7f\u7528\u4e32\u53e3\u6253\u5370<code>\"LED is ON\"<\/code>\uff0c<code>loop()<\/code>\u5faa\u73af\u5c06\u88ab\u6253\u65ad\uff0c\u540c\u7406\uff0c\u5f53\u53d1\u9001\u5b57\u7b26\u4e32<code>&lt;LED:off&gt;<\/code>\u65f6\u706f\u5c06\u88ab\u7184\u706d,\u5e76\u4f7f\u7528\u4e32\u53e3\u6253\u5370<code>\"LED is OFF\"<\/code>\uff0c\u5982\u679c\u53d1\u9001\u7684\u662f\u5176\u4ed6\u547d\u4ee4\uff0c\u5219\u6253\u5370<code>\"Unknown LED command!\"<\/code>\u3002\u4e0b\u9762\u8ba9\u6211\u4eec\u6765\u4e00\u8d77\u52a8\u624b\u5b9e\u8df5\u4e00\u4e0b\u5427\uff01<\/p>\n\n\n\n<p>\u8d34\u6bb5\u4ee3\u7801\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#include &lt;Arduino.h&gt;\n#include &lt;HardwareSerial.h&gt;\n#include &lt;string.h&gt;\n\n#define PIN9 9\n\nString receive_data = \"\";\n\nint state = 0;\n\n\/\/ \u4e2d\u65ad\u56de\u8c03\u51fd\u6570\uff1a\u89e3\u6790\u547d\u4ee4\u5e76\u63a7\u5236LED\nvoid ledcontrolCallback(String command) \n{\n    \/\/ \u67e5\u627e\u952e\u548c\u503c\u4e4b\u95f4\u7684\u5206\u9694\u7b26 \":\"\n    int middle_index = command.indexOf(':');\n    if (middle_index == -1) \n    {\n        Serial2.println(\"Invalid command format!\");\n        return;\n    }\n\n    \/\/ \u63d0\u53d6\u952e\u548c\u503c\n    String key = command.substring(0, middle_index);       \/\/\u63d0\u53d6command\u4ece\u7d22\u5f15\u503c0\u5230\u7d22\u5f15\u503cindex\u524d\u7684\u6240\u6709\u5b57\u7b26\n    String value = command.substring(middle_index + 1);    \/\/\u63d0\u53d6command\u4ece\u7d22\u5f15\u503cindex+1\u5230\u672b\u5c3e\u6240\u6709\u5b57\u7b26\n\n    \/\/ \u68c0\u67e5\u952e\u662f\u5426\u4e3a \"LED\"\n    if (key == \"LED\") \n    {\n        if (value == \"on\") \n        {\n            digitalWrite(PIN9, HIGH);\n            Serial2.println(\"LED is ON\");\n        } \n\n        else if (value == \"off\") \n        {\n            digitalWrite(PIN9, LOW);\n            Serial2.println(\"LED is OFF\");\n        } \n\n        else \n        {\n            Serial2.println(\"Unknown LED command!\");\n        }\n    }\n\n    else \n    {\n        Serial2.println(\"Unknown key!\");\n    }\n}\n\n\/\/\u4e2d\u65ad\u5904\u7406\u51fd\u6570\nvoid serialEvent2(void) \n{\n    \/\/\u5f53\u4e32\u53e32\u7684\u63a5\u6536\u7f13\u51b2\u533a\u6709\u5b57\u8282\u65f6\n    while (Serial2.available())\n    {\n        char inchar = (char)Serial2.read();\n        \n        if (state == 0)\n        {\n            if (inchar == '+')\n            {\n                state = 1;\n                receive_data = \"\";\n            }\n            else\n            {\n                state = 0;\n                receive_data = \"\";\n            }\n        }\n\n        else if (state == 1)\n        {\n            if (inchar == '-')\n            {\n                state = 0;\n                Serial2.print(\"Received data:\");\n                Serial2.println(receive_data);\n                ledcontrolCallback(receive_data);\n                receive_data = \"\";\n            }\n            else\n            {\n                receive_data += inchar;\n            }\n        }\n\n        else\n        {\n            Serial2.print(\"ERROR!\");\n        }\n    }\n}\n\nvoid setup() \n{\n    Serial2.begin(9600);\n\n    pinMode(PIN9, OUTPUT);\n}\n\nvoid loop() \n{\n    \/\/ loop\u51fd\u6570\u53ef\u4ee5\u4fdd\u6301\u4e3a\u7a7a\uff0c\u56e0\u4e3a\u6570\u636e\u5c06\u901a\u8fc7serialEvent()\u51fd\u6570\u5904\u7406\n    Serial2.println(\"looping...\");\n    delay(1000);\n}<\/code><\/pre>\n\n\n\n<p>\u4e0b\u9762\u8ba9\u6211\u4eec\u6765\u4e00\u8d77\u5206\u6790\u8fd9\u6bb5\u4ee3\u7801\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4.7 \u5c0f\u7ed3<\/h3>\n\n\n\n<p>\u5728\u672c\u8282\u8bfe\u7a0b\u4e2d\uff0c\u6211\u4eec\u5b66\u4e60\u5230\u4e86\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>1.\u4e32\u53e3\u7684\u5b9a\u4e49<\/li>\n\n\n\n<li>2.\u4e32\u53e3\u7684\u4f5c\u7528<\/li>\n\n\n\n<li>3.\u4e32\u53e3\u7684\u6570\u636e\u6536\u53d1<\/li>\n\n\n\n<li>4.\u4e32\u53e3\u4e2d\u65ad\u4ee5\u53ca\u4f7f\u7528<\/li>\n<\/ul>\n\n\n\n<p>\u6700\u540e\uff0c\u5e0c\u671b\u540c\u5b66\u4eec\u80fd\u591f\u5728\u8bfe\u540e\u62bd\u51fa\u4e00\u5c0f\u90e8\u5206\u65f6\u95f4\u6e29\u6545\u800c\u77e5\u65b0\uff0c\u8ba4\u771f\u72ec\u7acb\u5b8c\u6210\u8bfe\u540e\u4f5c\u4e1a\uff0c&#8221;\u4e09\u5929\u4e0d\u8bfb\u53e3\u751f\uff0c\u4e09\u5929\u4e0d\u7ec3\u624b\u751f&#8221;\uff0c\u5927\u5bb6\u7ee7\u7eed\u52a0\u6cb9\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3010\u6982\u8ff0\u30110 \u4ec0\u4e48\u662f\u667a\u80fd\u7cfb\u7edf \u3010\u9636\u6bb5\u4e00\u30111 PlatformIO\u73af\u5883\u914d\u7f6e\u548cGPIO \u3010\u9636\u6bb5\u4e00\u30112 PWM\u4e0e\u7535\u673a\u63a7 [&hellip;]<\/p>\n","protected":false},"author":14,"featured_media":360,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[43,56],"tags":[58,57],"class_list":["post-336","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-aimc_course","category-56","tag-58","tag-57"],"_links":{"self":[{"href":"https:\/\/aimc.skyate.com\/index.php\/wp-json\/wp\/v2\/posts\/336","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aimc.skyate.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/aimc.skyate.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/aimc.skyate.com\/index.php\/wp-json\/wp\/v2\/users\/14"}],"replies":[{"embeddable":true,"href":"https:\/\/aimc.skyate.com\/index.php\/wp-json\/wp\/v2\/comments?post=336"}],"version-history":[{"count":5,"href":"https:\/\/aimc.skyate.com\/index.php\/wp-json\/wp\/v2\/posts\/336\/revisions"}],"predecessor-version":[{"id":575,"href":"https:\/\/aimc.skyate.com\/index.php\/wp-json\/wp\/v2\/posts\/336\/revisions\/575"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/aimc.skyate.com\/index.php\/wp-json\/wp\/v2\/media\/360"}],"wp:attachment":[{"href":"https:\/\/aimc.skyate.com\/index.php\/wp-json\/wp\/v2\/media?parent=336"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aimc.skyate.com\/index.php\/wp-json\/wp\/v2\/categories?post=336"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aimc.skyate.com\/index.php\/wp-json\/wp\/v2\/tags?post=336"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}