{"id":3771,"date":"2025-06-29T12:38:22","date_gmt":"2025-06-29T04:38:22","guid":{"rendered":"https:\/\/saludpcb.com\/zh\/?p=3771"},"modified":"2025-09-26T06:15:33","modified_gmt":"2025-09-25T22:15:33","slug":"esp32-oscilloscope-vs-logic-analyzer","status":"publish","type":"post","link":"https:\/\/saludpcb.com\/zh\/esp32-oscilloscope-vs-logic-analyzer\/","title":{"rendered":"ESP32 \u793a\u6ce2\u5668 vs \u908f\u8f2f\u5206\u6790\u5100 (Oscilloscope vs Logic Analyzer) | \u54ea\u500b\u9069\u5408\u4f60\uff1f\u5be6\u6230\u89e3\u6790\u8207\u5c08\u6848\u63a8\u85a6"},"content":{"rendered":"\n<hr class=\"wp-block-separator alignwide has-text-color has-palette-color-1-color has-alpha-channel-opacity has-palette-color-1-background-color has-background is-style-wide\"\/>\n\n\n\n<p><strong>\u793a\u6ce2\u5668 vs \u908f\u8f2f\u5206\u6790\u5100 (Oscilloscope vs Logic Analyzer)<\/strong>\uff0c\u9019\u662f\u6bcf\u4f4d\u5d4c\u5165\u5f0f\u958b\u767c\u8005\u6216\u96fb\u5b50\u5de5\u7a0b\u611b\u597d\u8005\u5728\u8a0a\u865f\u9664\u932f\u6642\u5e38\u9047\u5230\u7684\u6289\u64c7\u3002\u5169\u8005\u96d6\u7136\u90fd\u80fd\u300c\u770b\u8a0a\u865f\u300d\uff0c\u4f46\u672c\u8cea\u4e0a\u7528\u9014\u622a\u7136\u4e0d\u540c\uff1a\u4e00\u500b\u8457\u91cd\u65bc<strong>\u6a21\u64ec\u6ce2\u5f62\u7684\u8996\u89ba\u5316<\/strong>\uff0c\u53e6\u4e00\u500b\u5247\u5c08\u6ce8\u65bc<strong>\u6578\u4f4d\u908f\u8f2f\u8a0a\u865f\u7684\u908a\u7de3\u8207\u6642\u5e8f\u89e3\u78bc<\/strong>\u3002\u5c24\u5176\u5728\u4f7f\u7528\u50cf ESP32 \u9019\u985e\u5fae\u63a7\u5236\u5668\u9032\u884c\u958b\u767c\u6642\uff0c\u66f4\u6703\u767c\u73fe\u5169\u8005\u5728\u61c9\u7528\u5834\u666f\u3001\u53d6\u6a23\u65b9\u5f0f\u8207\u5206\u6790\u80fd\u529b\u4e0a\u7684\u5dee\u7570\u5341\u5206\u660e\u986f\u3002<\/p>\n\n\n\n<p>\u672c\u7bc7\u6587\u7ae0\u5c07\u5e36\u4f60\u6df1\u5165\u6bd4\u8f03\u9019\u5169\u7a2e\u5de5\u5177\u7684\u539f\u7406\u8207\u61c9\u7528\u60c5\u5883\uff0c\u4e26\u5be6\u969b\u63a2\u8a0e\u5982\u4f55\u5728 ESP32 \u5e73\u53f0\u4e0a\u6253\u9020\u4f4e\u6210\u672c\u7684\u793a\u6ce2\u5668\u6216\u908f\u8f2f\u5206\u6790\u5100\uff0c\u5305\u542b\u958b\u6e90\u5c08\u6848\u63a8\u85a6\u3001\u53d6\u6a23\u9650\u5236\u89e3\u6790\uff0c\u4ee5\u53ca\u9078\u64c7\u5efa\u8b70\u3002\u7121\u8ad6\u4f60\u662f Maker\u3001\u5de5\u7a0b\u5e2b\uff0c\u6216\u55ae\u7d14\u5c0d\u8a0a\u865f\u89c0\u5bdf\u6709\u8208\u8da3\u7684\u96fb\u5b50\u73a9\u5bb6\uff0c\u90fd\u80fd\u5f9e\u672c\u6587\u4e2d\u627e\u5230\u5be6\u7528\u7684\u53c3\u8003\u4f9d\u64da\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1536\" height=\"1024\" src=\"https:\/\/saludpcb.com\/zh\/wp-content\/uploads\/2025\/06\/ESP32-Oscilloscope-vs-Logic-Analyzer-Which-One-Suits-You-Practical-Analysis-Project-Recommendations.jpg\" alt=\"Logic Analyzer\" class=\"wp-image-3788\" title=\"\" srcset=\"https:\/\/saludpcb.com\/zh\/wp-content\/uploads\/2025\/06\/ESP32-Oscilloscope-vs-Logic-Analyzer-Which-One-Suits-You-Practical-Analysis-Project-Recommendations.jpg 1536w, https:\/\/saludpcb.com\/zh\/wp-content\/uploads\/2025\/06\/ESP32-Oscilloscope-vs-Logic-Analyzer-Which-One-Suits-You-Practical-Analysis-Project-Recommendations-768x512.jpg 768w\" sizes=\"auto, (max-width: 1536px) 100vw, 1536px\" \/><\/figure>\n\n\n\n<div class=\"wp-block-rank-math-toc-block\" id=\"rank-math-toc\"><h2>\u5167\u5bb9<\/h2><nav><ul><li class=\"\"><a href=\"#\u4ec0\u9ebc\u662f\u793a\u6ce2\u5668\uff1f\u4ec0\u9ebc\u662f\u908f\u8f2f\u5206\u6790\u5100\uff1f\">\u4ec0\u9ebc\u662f\u793a\u6ce2\u5668\uff1f\u4ec0\u9ebc\u662f\u908f\u8f2f\u5206\u6790\u5100\uff1f<\/a><\/li><li class=\"\"><a href=\"#\u5728-esp-32-s-3-\u4e0a\uff0c\u793a\u6ce2\u5668\u8207\u908f\u8f2f\u5206\u6790\u5100\u7684\u61c9\u7528\u5dee\u7570\">Oscilloscope \u548c Logic Analyzer \u7684\u5dee\u7570<\/a><\/li><li class=\"\"><a href=\"#esp-32-s-3-\u793a\u6ce2\u5668\u529f\u80fd\u786c\u9ad4\u65b9\u5f0f\">ESP32 \u793a\u6ce2\u5668<\/a><\/li><li class=\"\"><a href=\"#esp-32-s-3-\u908f\u8f2f\u5206\u6790\u5100\u529f\u80fd\u786c\u9ad4\u65b9\u5f0f\">ESP32 \u908f\u8f2f\u5206\u6790\u5100<\/a><\/li><li class=\"\"><a href=\"#\u4ec0\u9ebc\u662f-rmt-\u6a21\u7d44\uff1f\">\u4ec0\u9ebc\u662f RMT \u6a21\u7d44\uff1f<\/a><\/li><li class=\"\"><a href=\"#esp-32-s-3-rmt-\u6a21\u7d44\u7c21\u6613\u6559\u5b78\u7bc4\u4f8b\">ESP32-S3 RMT \u6a21\u7d44\u7c21\u6613\u7bc4\u4f8b<\/a><\/li><li class=\"\"><a href=\"#\u7d50\u8ad6\">\u7d50\u8ad6<\/a><\/li><\/ul><\/nav><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u4ec0\u9ebc\u662f\u793a\u6ce2\u5668\uff1f\u4ec0\u9ebc\u662f\u908f\u8f2f\u5206\u6790\u5100\uff1f\">\u4ec0\u9ebc\u662f\u793a\u6ce2\u5668\uff1f\u4ec0\u9ebc\u662f\u908f\u8f2f\u5206\u6790\u5100\uff1f<\/h2>\n\n\n\n<p><strong>\u793a\u6ce2\u5668\uff08Oscilloscope\uff09<\/strong> \u662f\u7528\u4f86\u89c0\u5bdf<strong>\u985e\u6bd4\u8a0a\u865f<\/strong>\u8b8a\u5316\u7684\u5100\u5668\uff0c\u80fd\u5920\u5373\u6642\u986f\u793a\u96fb\u58d3\u96a8\u6642\u9593\u7684\u6ce2\u5f62\u3002\u5b83\u9069\u5408\u7528\u4f86\u67e5\u770b\u5982\u611f\u6e2c\u5668\u8f38\u51fa\u3001PWM \u8a0a\u865f\u3001\u96fb\u6e90\u96fb\u58d3\u6ce2\u52d5\u7b49\u8b8a\u5316\u9023\u7e8c\u7684\u8a0a\u865f\u3002\u4f60\u53ef\u4ee5\u6e05\u695a\u770b\u5230\u6ce2\u5f62\u5f62\u72c0\u3001\u632f\u5e45\u3001\u983b\u7387\uff0c\u751a\u81f3\u662f\u96dc\u8a0a\u8207\u6bdb\u908a\uff0c\u9019\u4e9b\u5c0d\u65bc\u6a21\u64ec\u96fb\u8def\u9664\u932f\u975e\u5e38\u95dc\u9375\u3002<\/p>\n\n\n\n<p>\u76f8\u5c0d\u5730\uff0c<strong>\u908f\u8f2f\u5206\u6790\u5100\uff08Logic Analyzer\uff09<\/strong> \u5247\u5c08\u9580\u91dd\u5c0d<strong>\u6578\u4f4d\u8a0a\u865f<\/strong>\u9032\u884c\u64f7\u53d6\u8207\u5206\u6790\u3002\u5b83\u80fd\u540c\u6642\u89c0\u5bdf\u591a\u7d44 digital pin \u7684\u72c0\u614b\u8b8a\u5316\uff0c\u4e26\u89e3\u78bc\u50cf I\u00b2C\u3001SPI\u3001UART \u9019\u985e\u5354\u5b9a\uff0c\u8b93\u4f60\u4e86\u89e3\u901a\u8a0a\u5167\u5bb9\u8207\u6642\u5e8f\u6e96\u78ba\u6027\u3002\u5b83\u4e0d\u50cf\u793a\u6ce2\u5668\u90a3\u6a23\u986f\u793a\u9023\u7e8c\u96fb\u58d3\u8b8a\u5316\uff0c\u800c\u662f\u8a18\u9304\u8a0a\u865f\u662f 0 \u6216 1 \u7684\u72c0\u614b\uff0c\u4ee5\u53ca\u8b8a\u5316\u7684\u6642\u9593\u9ede\u3002<\/p>\n\n\n\n<p>\u7c21\u55ae\u4f86\u8aaa\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u793a\u6ce2\u5668\u64c5\u9577\u300c\u770b\u6ce2\u5f62\u300d<\/strong>\uff0c\u5206\u6790\u96fb\u58d3\u8b8a\u5316\u3002<\/li>\n\n\n\n<li><strong>\u908f\u8f2f\u5206\u6790\u5100\u64c5\u9577\u300c\u770b\u8cc7\u6599\u300d<\/strong>\uff0c\u8ffd\u8e64\u901a\u8a0a\u5354\u5b9a\u8207\u6578\u4f4d\u908f\u8f2f\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u5728-esp-32-s-3-\u4e0a\uff0c\u793a\u6ce2\u5668\u8207\u908f\u8f2f\u5206\u6790\u5100\u7684\u61c9\u7528\u5dee\u7570\">Oscilloscope \u548c Logic Analyzer \u7684\u5dee\u7570<\/h2>\n\n\n\n<p>\u4ee5 ESP32-S3 \u800c\u8a00\u96d6\u7136\u4e0d\u662f\u5c08\u696d\u7684\u793a\u6ce2\u5668\u6216\u908f\u8f2f\u5206\u6790\u5100\uff0c\u4f46\u6191\u85c9\u5176\u5f37\u5927\u7684\u8655\u7406\u80fd\u529b\u548c\u8c50\u5bcc\u7684\u786c\u9ad4\u8cc7\u6e90\uff0c\u53ef\u4ee5\u5728\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u5be6\u73fe\u9019\u5169\u7a2e\u5de5\u5177\u7684\u529f\u80fd\u3002\u4ee5\u4e0b\u5c07\u91dd\u5c0d\u793a\u6ce2\u5668\u8207\u908f\u8f2f\u5206\u6790\u5100\u529f\u80fd\uff0c\u5f9e\u786c\u9ad4\u6027\u80fd\u548c\u5be6\u969b\u61c9\u7528\u9762\u9032\u884c\u6bd4\u8f03\uff1a<\/p>\n\n\n\n<p><strong>\u793a\u6ce2\u5668\u529f\u80fd\uff08\u4f7f\u7528 <a href=\"https:\/\/saludpcb.com\/zh\/adc-collection-esp32-dma-i2s-complete-guide\/\">ADC<\/a>\uff09<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6700\u5927\u53d6\u6a23\u7387<\/strong>\uff1a\u7d04 500 kSPS \u5230 1 MSPS\uff08\u55ae\u901a\u9053\uff0c\u642d\u914d I2S + DMA\uff09<\/li>\n\n\n\n<li><strong>\u53ef\u89e3\u6790\u983b\u7387<\/strong>\uff1a\u7d04 100 kHz \u4ee5\u4e0b\uff08\u6839\u64da\u5948\u594e\u65af\u7279\u5b9a\u7406\uff0c\u53d6\u6a23\u7387\u9700\u81f3\u5c11\u662f\u8a0a\u865f\u983b\u7387\u7684\u5169\u500d\uff09<\/li>\n\n\n\n<li><strong>ADC \u89e3\u6790\u5ea6<\/strong>\uff1a12 bits\uff0c\u4f46\u5be6\u969b\u6709\u6548\u89e3\u6790\u5ea6\uff08ENOB\uff09\u7d04\u70ba 9~10 bits<\/li>\n\n\n\n<li><strong>\u8f38\u5165\u96fb\u58d3\u7bc4\u570d<\/strong>\uff1a0~3.3V\uff0c\u8d85\u904e\u6642\u9700\u4f7f\u7528\u5206\u58d3\u5668<\/li>\n\n\n\n<li><strong>\u591a\u901a\u9053\u652f\u63f4<\/strong>\uff1a\u6709\u9650\uff0c\u591a\u901a\u9053\u53d6\u6a23\u6703\u964d\u4f4e\u53d6\u6a23\u7387\u548c\u7a69\u5b9a\u6027<\/li>\n\n\n\n<li><strong>\u7a69\u5b9a\u6027<\/strong>\uff1a\u53d6\u6a23\u904e\u7a0b\u6613\u53d7\u5230 Wi-Fi\u3001USB \u50b3\u8f38\u548c\u7cfb\u7d71\u4e2d\u65b7\u5e72\u64fe\uff0c\u5f71\u97ff\u8cc7\u6599\u9023\u7e8c\u6027\u548c\u6e96\u78ba\u6027<\/li>\n\n\n\n<li><strong>\u9069\u7528\u5834\u666f<\/strong>\uff1a\u4f4e\u983b\u985e\u6bd4\u8a0a\u865f\u89c0\u5bdf\uff0c\u4f8b\u5982\u611f\u6e2c\u5668\u8f38\u51fa\u3001\u6162\u8b8a\u5316\u7684 PWM \u6ce2\u5f62\u53ca\u96fb\u58d3\u8da8\u52e2\u76e3\u63a7<\/li>\n<\/ul>\n\n\n\n<p><strong>\u908f\u8f2f\u5206\u6790\u5100\u529f\u80fd\uff08\u4f7f\u7528 GPIO\u3001RMT\u3001<a href=\"https:\/\/saludpcb.com\/zh\/adc-collection-esp32-dma-i2s-complete-guide\/\">I2S<\/a>\uff09<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u53d6\u6a23\u7387<\/strong>\uff1a\u53ef\u9054\u6578 MHz\uff0c\u4f9d\u6280\u8853\u65b9\u6848\u548c\u8edf\u9ad4\u512a\u5316\u800c\u5b9a<\/li>\n\n\n\n<li><strong>\u591a\u901a\u9053\u652f\u63f4<\/strong>\uff1a\u652f\u63f4\u591a\u901a\u9053\u540c\u6b65\u64f7\u53d6\uff0c\u5177\u5099\u8f03\u9ad8\u7684\u9748\u6d3b\u6027<\/li>\n\n\n\n<li><strong>\u6578\u4f4d\u8a0a\u865f\u89e3\u78bc<\/strong>\uff1a\u53ef\u642d\u914d\u958b\u6e90\u5de5\u5177\uff08\u5982 PulseView \u8207 sigrok\uff09\u9032\u884c I\u00b2C\u3001SPI\u3001UART \u7b49\u901a\u8a0a\u5354\u5b9a\u7684\u89e3\u78bc\u548c\u6642\u5e8f\u5206\u6790<\/li>\n\n\n\n<li><strong>\u512a\u52e2<\/strong>\uff1a\u5c0d\u6578\u4f4d\u908f\u8f2f\u8a0a\u865f\u6355\u6349\u53ca\u9664\u932f\u6709\u660e\u986f\u512a\u52e2\uff0c\u4e14\u5c0d\u958b\u767c\u6d41\u7a0b\u5e6b\u52a9\u5927<\/li>\n\n\n\n<li><strong>\u9069\u7528\u5834\u666f<\/strong>\uff1a\u6578\u4f4d\u901a\u8a0a\u5354\u5b9a\u9664\u932f\u3001PWM \u8f38\u51fa\u5206\u6790\u3001\u7d05\u5916\u7dda\u89e3\u78bc\u7b49\u6578\u4f4d\u8a0a\u865f\u76e3\u63a7<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"esp-32-s-3-\u793a\u6ce2\u5668\u529f\u80fd\u786c\u9ad4\u65b9\u5f0f\">ESP32 \u793a\u6ce2\u5668<\/h2>\n\n\n\n<p>\u4ee5 ESP32-S3 \u800c\u8a00\uff0c\u5167\u5efa 12-bit ADC \u662f\u5be6\u4f5c\u793a\u6ce2\u5668\u529f\u80fd\u7684\u6838\u5fc3\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>ADC<\/strong>\uff1a\u6700\u9ad8\u7d04 1 MSPS\uff08\u55ae\u901a\u9053\uff0c\u642d\u914d I2S + DMA\uff09<\/li>\n\n\n\n<li><strong>I2S<\/strong>\uff1a\u7528\u65bc\u7a69\u5b9a\u3001\u9ad8\u901f\u5f9e ADC \u8b80\u53d6\u8cc7\u6599\uff0c\u63d0\u5347\u53d6\u6a23\u9023\u7e8c\u6027<\/li>\n\n\n\n<li><strong>\u96fb\u58d3\u7bc4\u570d<\/strong>\uff1a0~3.3V\uff0c\u8d85\u904e\u9700\u7528\u5206\u58d3\u5668\u4fdd\u8b77<\/li>\n\n\n\n<li><strong>\u9650\u5236<\/strong>\uff1a\u591a\u901a\u9053\u540c\u6642\u53d6\u6a23\u901f\u5ea6\u4e0b\u964d\uff0c\u53d6\u6a23\u6613\u53d7 Wi-Fi \u8207\u7cfb\u7d71\u5e72\u64fe\u5f71\u97ff<\/li>\n<\/ul>\n\n\n\n<p>\u9069\u5408\u4f4e\u983b\u985e\u6bd4\u6ce2\u5f62\u76e3\u6e2c\uff0c\u5982\u611f\u6e2c\u5668\u8a0a\u865f\u6216 PWM \u8f38\u51fa\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"esp-32-s-3-\u908f\u8f2f\u5206\u6790\u5100\u529f\u80fd\u786c\u9ad4\u65b9\u5f0f\">ESP32 \u908f\u8f2f\u5206\u6790\u5100<\/h2>\n\n\n\n<p>\u4ee5 ESP32-S3 \u800c\u8a00\uff0c\u5728\u6578\u4f4d\u8a0a\u865f\u5206\u6790\u4e0a\u5177\u6709\u66f4\u591a\u786c\u9ad4\u652f\u63f4\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>GPIO<\/strong>\uff1a\u53ef\u591a\u901a\u9053\u64f7\u53d6\u6578\u4f4d\u8a0a\u865f<\/li>\n\n\n\n<li><strong>RMT \u6a21\u7d44<\/strong>\uff1a\u786c\u9ad4\u5b9a\u6642\u5668\u6355\u6349 PWM\u3001\u7d05\u5916\u7dda\u7b49\u8108\u885d\u8a0a\u865f\uff0c\u63d0\u4f9b\u7cbe\u6e96\u6642\u9593\u6233\u8a18<\/li>\n\n\n\n<li><strong>I2S<\/strong>\uff1a\u9ad8\u901f\u5e73\u884c\u8cc7\u6599\u64f7\u53d6\uff0c\u5be6\u73fe\u591a\u901a\u9053\u908f\u8f2f\u4fe1\u865f\u540c\u6b65\u53d6\u6a23<\/li>\n\n\n\n<li><strong>\u4e2d\u65b7\u6a5f\u5236<\/strong>\uff1a\u5feb\u901f\u5075\u6e2c\u6578\u4f4d\u8a0a\u865f\u72c0\u614b\u8b8a\u5316\uff0c\u63d0\u9ad8\u8a0a\u865f\u64f7\u53d6\u6548\u7387<\/li>\n<\/ul>\n\n\n\n<p>\u786c\u9ad4\u8cc7\u6e90\u5145\u8db3\uff0c\u9069\u5408\u7528\u65bc\u6578\u4f4d\u5354\u5b9a\u89e3\u78bc\u3001PWM \u5206\u6790\u3001\u908f\u8f2f\u8a0a\u865f\u76e3\u63a7\u7b49\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u4ec0\u9ebc\u662f-rmt-\u6a21\u7d44\uff1f\">\u4ec0\u9ebc\u662f RMT \u6a21\u7d44\uff1f<\/h2>\n\n\n\n<p><a href=\"https:\/\/docs.espressif.com\/projects\/esp-idf\/en\/latest\/esp32s3\/api-reference\/peripherals\/rmt.html\" target=\"_blank\" rel=\"noopener\">RMT\uff08Remote Control Peripheral\uff09<\/a>\u662f ESP32 \u7cfb\u5217\u6676\u7247\u5167\u5efa\u7684\u4e00\u7a2e\u786c\u9ad4\u6a21\u7d44\uff0c\u5c08\u9580\u7528\u4f86\u7cbe\u78ba\u7522\u751f\u8207\u63a5\u6536\u8108\u885d\u8a0a\u865f\u3002\u5b83\u53ef\u4ee5\u7368\u7acb\u65bc CPU \u904b\u4f5c\uff0c\u5229\u7528\u786c\u9ad4\u8a08\u6642\u5668\u4f86\u63a7\u5236\u4fe1\u865f\u7684\u9ad8\u4f4e\u96fb\u4f4d\u6642\u9593\uff0c\u5be6\u73fe\u9ad8\u89e3\u6790\u5ea6\u7684\u8108\u885d\u5bec\u5ea6\u6e2c\u91cf\u548c\u7522\u751f\u3002<\/p>\n\n\n\n<p><strong>RMT \u7684\u4e3b\u8981\u529f\u80fd\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u7cbe\u6e96\u6355\u6349\u8108\u885d\u8a0a\u865f<\/strong>\uff1a\u80fd\u6e2c\u91cf\u9ad8\u96fb\u4f4d\u8207\u4f4e\u96fb\u4f4d\u6301\u7e8c\u7684\u6642\u9593\uff0c\u9069\u5408\u7d05\u5916\u7dda\u9059\u63a7\u3001PWM \u8108\u885d\u7b49\u8a0a\u865f\u5206\u6790\u3002<\/li>\n\n\n\n<li><strong>\u9ad8\u6548\u8f38\u51fa\u6ce2\u5f62<\/strong>\uff1a\u7522\u751f\u7279\u5b9a\u983b\u7387\u548c\u5bec\u5ea6\u7684\u8108\u885d\u6ce2\uff0c\u7528\u65bc\u7d05\u5916\u7dda\u767c\u5c04\u6216\u5176\u4ed6\u9060\u7aef\u63a7\u5236\u61c9\u7528\u3002<\/li>\n\n\n\n<li><strong>\u7bc0\u7701 CPU \u8cc7\u6e90<\/strong>\uff1a\u786c\u9ad4\u7368\u7acb\u904b\u4f5c\uff0c\u4e0d\u9700 CPU \u6301\u7e8c\u76e3\u63a7\uff0c\u6e1b\u8f15\u8655\u7406\u8ca0\u64d4\u3002<\/li>\n\n\n\n<li><strong>\u591a\u901a\u9053\u652f\u63f4<\/strong>\uff1a\u540c\u6642\u7ba1\u7406\u591a\u7d44\u8f38\u5165\u8f38\u51fa\u8a0a\u865f\u3002<\/li>\n<\/ul>\n\n\n\n<p><strong>\u70ba\u4ec0\u9ebc RMT \u5f88\u9069\u5408\u7528\u65bc\u908f\u8f2f\u5206\u6790\u5100\uff1f<\/strong><\/p>\n\n\n\n<p>\u56e0\u70ba\u5b83\u80fd\u7cbe\u78ba\u8a18\u9304\u6578\u4f4d\u8a0a\u865f\u7684\u9ad8\u4f4e\u96fb\u4f4d\u8b8a\u5316\u6642\u9593\uff0c\u6355\u6349\u5feb\u901f\u4e14\u7d30\u5fae\u7684\u908f\u8f2f\u8b8a\u5316\uff0c\u975e\u5e38\u9069\u5408\u7528\u4f86\u89e3\u78bc\u6578\u4f4d\u901a\u8a0a\u5354\u5b9a\uff08\u5982 I2C\u3001SPI\u3001PWM\uff09\uff0c\u63d0\u9ad8\u8a0a\u865f\u64f7\u53d6\u7684\u6e96\u78ba\u5ea6\u548c\u6548\u7387\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"esp-32-s-3-rmt-\u6a21\u7d44\u7c21\u6613\u6559\u5b78\u7bc4\u4f8b\">ESP32-S3 RMT \u6a21\u7d44\u7c21\u6613\u7bc4\u4f8b<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u521d\u59cb\u5316 RMT \u63a5\u6536\u5668<\/strong><\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"cpp\" class=\"language-cpp\">#define RMT_RX_CHANNEL    RMT_CHANNEL_0\n#define RMT_RX_GPIO_NUM   18  \/\/ Adjust to your actual hardware GPIO pin\n#define RMT_CLK_DIV       80  \/\/ Clock divider (80 division = 1us timing resolution)\n\nvoid rmt_rx_init() {\n    rmt_config_t rmt_rx;\n    rmt_rx.channel = RMT_RX_CHANNEL;     \/\/ Select RMT channel for receiving\n    rmt_rx.gpio_num = RMT_RX_GPIO_NUM;   \/\/ Assign GPIO number for RMT input\n    rmt_rx.clk_div = RMT_CLK_DIV;         \/\/ Set clock divider for timing resolution\n    rmt_rx.mem_block_num = 1;             \/\/ Use one memory block for RMT\n    rmt_rx.rmt_mode = RMT_MODE_RX;        \/\/ Configure RMT as receiver mode\n    rmt_rx.rx_config.filter_en = true;    \/\/ Enable filter to ignore short pulses\n    rmt_rx.rx_config.filter_ticks_thresh = 100;  \/\/ Filter pulses shorter than this threshold (in ticks)\n    rmt_rx.rx_config.idle_threshold = 10000;      \/\/ Idle threshold for end of signal detection (in ticks)\n    rmt_config(&amp;rmt_rx);                   \/\/ Apply RMT configuration\n    rmt_driver_install(rmt_rx.channel, 1000, 0);  \/\/ Install RMT driver with 1KB buffer, no ISR\n}<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u63a5\u6536\u4e26\u89e3\u6790\u8108\u885d<\/strong><\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"cpp\" class=\"language-cpp\">#include \"esp_log.h\"\nstatic const char *TAG = \"RMT_RECEIVE\";\n\nvoid rmt_receive_pulse() {\n    rmt_item32_t items[64];\n    size_t rx_size = 0;\n    \n    \/\/ Wait to receive data with a 100ms timeout\n    esp_err_t ret = rmt_read_items(RMT_RX_CHANNEL, items, 64, 100 \/ portTICK_PERIOD_MS);\n    if (ret == ESP_OK) {\n        for (int i = 0; i &lt; 64; i++) {\n            \/\/ items[i].duration0 and items[i].duration1 represent the duration of high and low levels respectively (in units defined by clk_div)\n            ESP_LOGI(TAG, \"Pulse %d: high %d us, low %d us\", i, items[i].duration0, items[i].duration1);\n        }\n    }\n}<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4e3b\u7a0b\u5f0f\u7bc4\u4f8b<\/strong><\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"cpp\" class=\"language-cpp\">void app_main() {\n    rmt_rx_init();\n    while (1) {\n        rmt_receive_pulse();\n        vTaskDelay(pdMS_TO_TICKS(500));\n    }\n}<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u7d50\u8ad6\">\u7d50\u8ad6<\/h2>\n\n\n\n<p>ESP32-S3 \u96d6\u7136\u4e0d\u662f\u5c08\u696d\u7d1a\u7684\u793a\u6ce2\u5668\uff08Oscilloscope\uff09\u6216\u908f\u8f2f\u5206\u6790\u5100\uff08Logic Analyzer\uff09\uff0c\u4f46\u5176\u5167\u5efa\u7684 ADC \u8207 RMT \u7b49\u786c\u9ad4\u6a21\u7d44\uff0c\u4ecd\u80fd\u5728\u4f4e\u983b\u6ce2\u5f62\u89c0\u5bdf\u8207\u6578\u4f4d\u908f\u8f2f\u5206\u6790\u4e2d\u767c\u63ee\u5be6\u7528\u50f9\u503c\u3002<br>\u82e5\u4f60\u4e3b\u8981\u89c0\u5bdf\u985e\u6bd4\u6ce2\u5f62\uff0cESP32-S3 \u7684 ADC \u914d\u5408 I2S DMA \u662f\u4e00\u500b\u4e0d\u932f\u7684\u9078\u64c7\uff1b\u800c\u82e5\u4f60\u91cd\u8996\u6578\u4f4d\u8a0a\u865f\u64f7\u53d6\u8207\u901a\u8a0a\u5354\u5b9a\u89e3\u78bc\uff0cRMT \u6a21\u7d44\u8207 GPIO \u591a\u901a\u9053\u529f\u80fd\u5c07\u66f4\u70ba\u5408\u9069\u3002<br>\u4f9d\u64da\u4e0d\u540c\u61c9\u7528\u9700\u6c42\u9078\u64c7\u9069\u7576\u65b9\u6848\uff0c\u60a8\u5c07\u80fd\u4ee5\u4f4e\u6210\u672c\u958b\u767c\u677f\uff0c\u5b8c\u6210\u591a\u6a23\u7684\u8a0a\u865f\u5206\u6790\u4efb\u52d9\uff0c\u975e\u5e38\u9069\u5408 DIY\u3001\u5b78\u7fd2\u8207\u5165\u9580\u7d1a\u5c08\u6848\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator alignwide has-text-color has-palette-color-1-color has-alpha-channel-opacity has-palette-color-1-background-color has-background is-style-wide\"\/>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u793a\u6ce2\u5668 vs \u908f\u8f2f\u5206\u6790\u5100 (Oscilloscope vs Logic Analyzer)\uff0c\u9019\u662f\u6bcf\u4f4d\u5d4c\u5165\u5f0f\u958b\u767c [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3788,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2,53,83],"tags":[27,21,44,9,11],"class_list":["post-3771","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-module","category-esp32","category-featured","tag-c","tag-ide","tag-programming-language","tag-python","tag-tutorial"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/saludpcb.com\/zh\/wp-json\/wp\/v2\/posts\/3771","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/saludpcb.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/saludpcb.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/saludpcb.com\/zh\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/saludpcb.com\/zh\/wp-json\/wp\/v2\/comments?post=3771"}],"version-history":[{"count":16,"href":"https:\/\/saludpcb.com\/zh\/wp-json\/wp\/v2\/posts\/3771\/revisions"}],"predecessor-version":[{"id":3797,"href":"https:\/\/saludpcb.com\/zh\/wp-json\/wp\/v2\/posts\/3771\/revisions\/3797"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/saludpcb.com\/zh\/wp-json\/wp\/v2\/media\/3788"}],"wp:attachment":[{"href":"https:\/\/saludpcb.com\/zh\/wp-json\/wp\/v2\/media?parent=3771"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/saludpcb.com\/zh\/wp-json\/wp\/v2\/categories?post=3771"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/saludpcb.com\/zh\/wp-json\/wp\/v2\/tags?post=3771"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}