{"id":2156,"date":"2026-04-11T18:44:34","date_gmt":"2026-04-11T10:44:34","guid":{"rendered":"https:\/\/xujiwei.com\/blog\/?p=2156"},"modified":"2026-04-11T18:44:34","modified_gmt":"2026-04-11T10:44:34","slug":"esp32-auto-flash-with-usbhid","status":"publish","type":"post","link":"https:\/\/xujiwei.com\/blog\/2026\/04\/esp32-auto-flash-with-usbhid\/","title":{"rendered":"ESP32-S3 \u5c0f\u6280\u5de7\uff1a\u5355\u53e3\u5b9e\u73b0\u540c\u65f6\u652f\u6301 USB \u8bbe\u5907 + \u4e00\u952e\u70e7\u5f55"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_65 ez-toc-wrap-right counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<p class=\"ez-toc-title\">\u6587\u7ae0\u76ee\u5f55<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-69da5ee1e1db7\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" 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href=\"https:\/\/xujiwei.com\/blog\/2026\/04\/esp32-auto-flash-with-usbhid\/#%E4%B8%8A%E4%BC%A0%E8%84%9A%E6%9C%AC%E7%9A%84%E5%B7%A5%E4%BD%9C%E6%B5%81%E7%A8%8B\" title=\"\u4e0a\u4f20\u811a\u672c\u7684\u5de5\u4f5c\u6d41\u7a0b\">\u4e0a\u4f20\u811a\u672c\u7684\u5de5\u4f5c\u6d41\u7a0b<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/xujiwei.com\/blog\/2026\/04\/esp32-auto-flash-with-usbhid\/#%E6%96%B0%E7%9A%84%E7%83%A7%E5%BD%95%E8%BF%87%E7%A8%8B%E6%97%A5%E5%BF%97\" title=\"\u65b0\u7684\u70e7\u5f55\u8fc7\u7a0b\u65e5\u5fd7\">\u65b0\u7684\u70e7\u5f55\u8fc7\u7a0b\u65e5\u5fd7<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/xujiwei.com\/blog\/2026\/04\/esp32-auto-flash-with-usbhid\/#%E6%80%BB%E7%BB%93\" title=\"\u603b\u7ed3\">\u603b\u7ed3<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"%E5%89%8D%E8%A8%80\"><\/span>\u524d\u8a00<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img src=\"https:\/\/xujiwei.com\/blog\/wp-content\/uploads\/2026\/03\/esp32-s3-usdhid-with-flash-2.jpg\" alt=\"esp32-s3-usdhid-with-flash-2\" \/><\/p>\n<p>\u6700\u8fd1\u5f88\u559c\u6b22\u7528 ESP32-S3-Zero \u8fd9\u4e2a\u5f00\u53d1\u677f\uff0c\u5c3a\u5bf8\u8ddf ESP32-S3 \u6a21\u5757\u5dee\u4e0d\u591a\uff0c\u4f46\u662f\u76f4\u63a5\u96c6\u6210\u4e86 USB Type-C \u63a5\u53e3\u4ee5\u53ca\u76f8\u5173\u5916\u56f4\u7535\u8def\uff0c\u5728 DIY \u7684\u65f6\u5019\u5c31\u5f88\u65b9\u4fbf\u4e86\u3002<\/p>\n<p>\u4f46\u662f\u5728\u505a USB HID \u8bbe\u5907\u7684\u65f6\u5019\u5c31\u53d1\u73b0\u4e00\u4e2a\u95ee\u9898\uff1a<strong>\u4e00\u65e6\u542f\u7528\u4e86 USB \u8bbe\u5907\u529f\u80fd\uff0c\u539f\u6765\u901a\u8fc7 USB\/JTAG \u76f4\u63a5\u4e00\u952e\u70e7\u5f55\u7684\u65b9\u5f0f\u5c31\u5931\u6548\u4e86\u3002<\/strong><\/p>\n<p>\u8fd9\u5728\u8c03\u8bd5\u56fa\u4ef6\u7684\u65f6\u5019\u5c31\u5f88\u9ebb\u70e6\u4e86\uff0c\u6bcf\u6b21\u60f3\u70e7\u5f55\u56fa\u4ef6\u90fd\u5f97\u624b\u52a8\u6309\u4f4f\u677f\u5b50\u4e0a\u7684 BOOT \u6309\u94ae\uff0c\u518d\u6309 RESET \u6309\u94ae\uff0c\u624d\u80fd\u8fdb\u4e0b\u8f7d\u6a21\u5f0f\u3002\u6539\u4e00\u884c\u4ee3\u7801\u8bd5\u4e00\u4e0b\u6548\u679c\uff0c\u5c31\u5f97\u6309\u4e00\u6b21 BOOT\uff0c\u5f00\u53d1\u4f53\u9a8c\u53ef\u4ee5\u8bf4\u662f\u76f8\u5f53\u5dee\u4e86\u3002<\/p>\n<p>\u6240\u4ee5\u5c31\u5f97\u60f3\u529e\u6cd5\uff1a<strong>\u53ea\u6709\u4e00\u4e2a USB \u53e3\u7684\u60c5\u51b5\u4e0b\uff0c\u600e\u4e48\u8ba9 USB Device \u529f\u80fd\u548c\u4e00\u952e\u70e7\u5f55\u5171\u5b58\uff1f<\/strong><\/p>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"%E9%97%AE%E9%A2%98%E5%88%86%E6%9E%90\"><\/span>\u95ee\u9898\u5206\u6790<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img src=\"https:\/\/xujiwei.com\/blog\/wp-content\/uploads\/2026\/03\/esp32-s3-usdhid-with-flash-3.jpg\" alt=\"esp32-s3-usdhid-with-flash-3\" \/><\/p>\n<p>ESP32-S3 \u82af\u7247\u5185\u7f6e\u4e86\u4e24\u4e2a\u8ddf USB \u76f8\u5173\u7684\u6a21\u5757\uff1a\u4e00\u4e2a\u662f <strong>USB OTG \u63a7\u5236\u5668<\/strong>\uff08\u7528\u4e8e\u5b9e\u73b0 USB Device\/Host \u529f\u80fd\uff09\uff0c\u53e6\u4e00\u4e2a\u662f<strong>\u5185\u7f6e\u7684 USB\/JTAG \u4e32\u884c\u8c03\u8bd5\u6a21\u5757<\/strong>\uff08\u7528\u4e8e\u70e7\u5f55\u548c\u8c03\u8bd5\uff09\u3002\u4f46\u5173\u952e\u5728\u4e8e\uff0c\u5b83\u4eec\u5171\u4eab\u540c\u4e00\u7ec4 USB D+\/D- \u7269\u7406\u5f15\u811a\uff08GPIO19\/GPIO20\uff09\u3002<strong>\u8fd9\u4e24\u4e2a\u529f\u80fd\u662f\u4e92\u65a5\u7684\uff0c\u540c\u4e00\u65f6\u523b\u53ea\u80fd\u6709\u4e00\u4e2a\u5360\u7528 USB \u603b\u7ebf\u3002<\/strong><\/p>\n<p>\u82af\u7247\u9ed8\u8ba4\u628a\u8fd9\u7ec4\u5f15\u811a\u6620\u5c04\u7ed9 USB\/JTAG \u8c03\u8bd5\u6a21\u5757\uff0c\u6240\u4ee5\u5f00\u7bb1\u72b6\u6001\u4e0b\u901a\u8fc7 USB \u5c31\u80fd\u76f4\u63a5\u70e7\u5f55\u548c\u770b\u65e5\u5fd7\u3002\u4f46\u4e00\u65e6\u56fa\u4ef6\u91cc\u542f\u7528\u4e86 USB OTG \u63a7\u5236\u5668\uff08\u6bd4\u5982\u505a USB HID \u8bbe\u5907\uff09\uff0c\u5f15\u811a\u5c31\u88ab OTG \u63a5\u7ba1\u4e86\uff0c\u5185\u7f6e\u7684\u8c03\u8bd5\u6a21\u5757\u81ea\u7136\u5c31\u6ca1\u6cd5\u5de5\u4f5c\u4e86\u3002PlatformIO \u627e\u4e0d\u5230 JTAG \u7aef\u53e3\uff0c\u70e7\u5f55\u76f4\u63a5\u5931\u8d25\u3002<\/p>\n<p>\u5982\u679c\u677f\u5b50\u4e0a\u6709\u989d\u5916\u7684 UART \u53e3\uff0c\u8fd8\u53ef\u4ee5\u8d70 UART \u70e7\u5f55\u3002\u4f46\u50cf ESP32-S3-Zero \u8fd9\u79cd\u53ea\u6709\u4e00\u4e2a USB \u53e3\u7684\u677f\u5b50\uff0c<strong>\u5c31\u53ea\u5269\u624b\u52a8\u6309 BOOT \u6309\u94ae\u4e0a\u7535\u8fd9\u4e00\u6761\u8def\u4e86\u2014\u2014\u6bcf\u6b21\u70e7\u5f55\u90fd\u6765\u4e00\u904d\uff0c\u5b9e\u5728\u592a\u9ebb\u70e6\u4e86\u3002<\/strong><\/p>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"%E6%96%B9%E6%A1%88%E6%80%9D%E8%B7%AF\"><\/span>\u65b9\u6848\u601d\u8def<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img src=\"https:\/\/xujiwei.com\/blog\/wp-content\/uploads\/2026\/03\/esp32-s3-usdhid-with-flash-4.jpg\" alt=\"esp32-s3-usdhid-with-flash-4\" \/><\/p>\n<p>\u5728\u52a8\u624b\u4e4b\u524d\uff0c\u6211\u5148\u7528 AI \u7814\u7a76\u4e86\u4e00\u4e0b\u73b0\u6709\u7684\u70e7\u5f55\u89e6\u53d1\u673a\u5236\u3002\u539f\u751f USB\/JTAG \u6a21\u5f0f\u4e0b\uff0cesptool \u8d70\u7684\u662f JTAG \u4e13\u6709\u7684 reset \u534f\u8bae\uff0c\u8ddf\u6211\u4eec\u7684\u573a\u666f\u4e0d\u540c\u3002\u4f46\u5728\u7814\u7a76\u8fc7\u7a0b\u4e2d\u53d1\u73b0\u4e86\u4e00\u4e2a\u6709\u610f\u601d\u7684\u4e1c\u897f\uff0cesptool.py \u65e5\u5fd7\u4e2d\u4f1a\u6709\u4e00\u4e2a 1200bps \u901a\u4fe1\u8fc7\u7a0b\uff0c\u641c\u7d22\u4e86\u4e00\u4e0b\u53d1\u73b0\uff0c<strong>\u539f\u6765Arduino \u751f\u6001\u91cc\u6709\u4e00\u4e2a 1200bps touch \u7684\u7ea6\u5b9a<\/strong>\u2014\u2014\u4ee5 1200bps \u6ce2\u7279\u7387\u6253\u5f00\u4e32\u53e3\u518d\u5173\u95ed\uff0c\u5c31\u80fd\u89e6\u53d1\u8bbe\u5907\u91cd\u542f\u8fdb\u5165 bootloader\u3002\u8fd9\u4e2a\u673a\u5236\u6700\u65e9\u6765\u81ea Arduino Leonardo\uff0c\u540e\u6765\u5f88\u591a\u652f\u6301 USB \u7684\u5f00\u53d1\u677f\u90fd\u6cbf\u7528\u4e86\u8fd9\u4e2a\u60ef\u4f8b\u3002<\/p>\n<p>\u5173\u952e\u662f\uff0cArduino ESP32 \u6846\u67b6\u7684 <code>USBCDC<\/code> \u7c7b\u6b63\u597d\u652f\u6301\u8fd9\u4e2a\u673a\u5236\u3002\u90a3\u601d\u8def\u5c31\u5f88\u6e05\u695a\u4e86\uff1a<strong>\u5728\u5f00\u542f USB HID \u8bbe\u5907\u7684\u540c\u65f6\uff0c\u518d\u81ea\u5df1\u5f00\u4e00\u4e2a CDC \u4e32\u53e3\uff0c\u590d\u7528 1200bps touch \u6765\u89e6\u53d1\u91cd\u542f\u8fdb bootloader\u3002<\/strong><\/p>\n<p>\u56fa\u4ef6\u7aef\u5b9e\u73b0\u8d77\u6765\u76f8\u5f53\u7b80\u5355\uff0c\u53ea\u9700\u8981\u901a\u8fc7 USBCDC \u7c7b\u542f\u7528 USB CDC\uff08\u865a\u62df\u4e32\u53e3\uff09\u529f\u80fd\uff0c\u7136\u540e\u8c03\u7528 <code>enableReboot(true)<\/code> \u6765\u542f\u7528 1200bps touch \u80fd\u529b\uff0c\u8fd9\u6837\u5f53\u5916\u90e8\u4ee5 1200bps \u6ce2\u7279\u7387\u8fde\u63a5\u8fd9\u4e2a\u4e32\u53e3\u65f6\uff0c\u56fa\u4ef6\u4f1a\u81ea\u52a8\u91cd\u542f\u8fdb\u5165 bootloader \u6a21\u5f0f\u3002<\/p>\n<p>\u4e0d\u8fc7\u8fd8\u6709\u4e00\u4e2a\u95ee\u9898\uff1a<strong>\u4f7f\u7528 USB HID \u65f6\uff0c\u8bbe\u5907\u5728\u7535\u8111\u4e0a\u6ce8\u518c\u7684\u4e32\u53e3\u540d\u79f0\u8ddf\u8fdb\u5165 bootloader \u540e\u7684\u4e0d\u4e00\u6837\u3002<\/strong>\u5e94\u7528\u6a21\u5f0f\u4e0b\u662f\u81ea\u5b9a\u4e49 VID\/PID \u5bf9\u5e94\u7684 CDC \u4e32\u53e3\uff0c\u91cd\u542f\u8fdb bootloader \u540e\u53d8\u6210\u4e86 Espressif \u7684\u4e0b\u8f7d\u7aef\u53e3\uff0c\u540d\u5b57\u5b8c\u5168\u4e0d\u540c\u3002PlatformIO \u9ed8\u8ba4\u4e0d\u77e5\u9053\u8be5\u8fde\u54ea\u4e2a\uff0c\u6240\u4ee5\u8fd8<strong>\u9700\u8981\u4e00\u4e2a pre-upload \u811a\u672c\u6765\u81ea\u52a8\u5904\u7406\u8fd9\u4e2a\u5207\u6362<\/strong>\uff1a\u627e\u5230\u5e94\u7528 CDC \u7aef\u53e3 \u2192 1200bps touch \u2192 \u7b49\u5f85 bootloader \u7aef\u53e3\u51fa\u73b0 \u2192 \u628a\u6b63\u786e\u7684\u7aef\u53e3\u544a\u8bc9 esptool\u3002<\/p>\n<p>\u6700\u7ec8\u6548\u679c\u5c31\u662f <code>pio run -t upload<\/code> \u4e00\u952e\u5b8c\u6210\uff0c\u4e0d\u7528\u624b\u52a8\u6309\u4efb\u4f55\u6309\u94ae\uff0c\u8ddf\u6ca1\u7528 USB Device \u4e4b\u524d\u4e00\u6837\u4e1d\u6ed1\u3002<\/p>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"%E5%9B%BA%E4%BB%B6%E4%BB%A3%E7%A0%81%E5%AE%9E%E7%8E%B0\"><\/span>\u56fa\u4ef6\u4ee3\u7801\u5b9e\u73b0<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u56fa\u4ef6\u7aef\u8981\u505a\u7684\u4e8b\u60c5\u4e0d\u591a\uff0c\u5c31\u662f\u5728\u539f\u6709 USB HID \u7684\u57fa\u7840\u4e0a\uff0c\u52a0\u4e00\u4e2a CDC \u63a5\u53e3\uff0c\u7ec4\u6210 USB \u590d\u5408\u8bbe\u5907\uff1a<\/p>\n<pre><code class=\"language-cpp\">#include &quot;USB.h&quot;\n#include &quot;USBCDC.h&quot;\n\nUSBCDC cdc;\n\nvoid setup() {\n    cdc.enableReboot(true);\n    cdc.begin(115200);\n    \/\/ ... USB HID \u521d\u59cb\u5316\n    USB.begin();\n}<\/code><\/pre>\n<p>\u8fd9\u91cc\u6700\u5173\u952e\u7684\u5c31\u662f <code>enableReboot(true)<\/code> \u8fd9\u4e00\u884c\u3002\u5b83\u7684\u4f5c\u7528\u662f\uff1a\u5f53\u68c0\u6d4b\u5230\u5916\u90e8\u4ee5 1200bps \u6ce2\u7279\u7387\u8fde\u63a5\u8fd9\u4e2a CDC \u4e32\u53e3\u65f6\uff0c\u81ea\u52a8\u8c03\u7528 <code>esp_restart()<\/code> \u91cd\u542f\u8fdb\u5165 bootloader \u6a21\u5f0f\u3002\u70e7\u5f55\u5de5\u5177\u6b63\u662f\u5229\u7528\u8fd9\u4e2a\u673a\u5236\u6765\u89e6\u53d1\u4e0b\u8f7d\u6a21\u5f0f\u7684\u3002<\/p>\n<p>\u53e6\u5916\uff0c\u8fd9\u4e2a CDC \u4e32\u53e3\u4e5f\u53ef\u4ee5\u7528\u6765\u5f53\u4f5c\u666e\u901a\u4e32\u53e3\u4f7f\u7528\uff0c\u6211\u5c31\u7528 AI \u5b9e\u73b0\u4e86\u4e00\u4e2a REPL \u4ea4\u4e92\u80fd\u529b\uff0c\u53ef\u4ee5\u8c03\u8c03\u53c2\u6570\u4ec0\u4e48\u7684\u3002<\/p>\n<p>\u8fd8\u6709\u4e00\u70b9\u503c\u5f97\u4e00\u63d0\uff1aCDC \u548c HID \u662f\u4f5c\u4e3a USB \u590d\u5408\u8bbe\u5907\u5171\u5b58\u7684\uff0c\u7cfb\u7edf\u4f1a\u540c\u65f6\u8bc6\u522b\u51fa\u4e00\u4e2a\u4e32\u53e3\u8bbe\u5907\u548c\u4e00\u4e2a HID \u8bbe\u5907\uff0c\u4e92\u4e0d\u5f71\u54cd\u3002<\/p>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"PlatformIO_%E7%AB%AF%E9%85%8D%E7%BD%AE_%E4%B8%8A%E4%BC%A0%E8%84%9A%E6%9C%AC\"><\/span>PlatformIO \u7aef\u914d\u7f6e + \u4e0a\u4f20\u811a\u672c<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u56fa\u4ef6\u7aef\u51c6\u5907\u597d\u4e86\uff0c\u63a5\u4e0b\u6765\u5c31\u662f\u8ba9 PlatformIO \u5728\u6bcf\u6b21 upload \u7684\u65f6\u5019\u81ea\u52a8\u5b8c\u6210&quot;\u627e\u7aef\u53e3 \u2192 \u89e6\u53d1\u91cd\u542f \u2192 \u7b49 bootloader \u2192 \u70e7\u5f55&quot;\u8fd9\u4e00\u6574\u5957\u6d41\u7a0b\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"platformioini_%E9%85%8D%E7%BD%AE\"><\/span>platformio.ini \u914d\u7f6e<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u5148\u770b <code>platformio.ini<\/code> \u91cc\u9700\u8981\u52a0\u4ec0\u4e48\uff1a<\/p>\n<pre><code class=\"language-ini\">[env:esp32s3]\nplatform = espressif32\nboard = esp32-s3-devkitc-1\nframework = arduino\nextra_scripts = pre:scripts\/native_usb_upload.py\nbuild_flags =\n    -DAPP_USB_VID=0x1234\n    -DAPP_USB_PID=0x5678<\/code><\/pre>\n<p>\u51e0\u4e2a\u8981\u70b9\uff1a<\/p>\n<ul>\n<li><code>extra_scripts = pre:scripts\/native_usb_upload.py<\/code> \u2014\u2014 <code>pre:<\/code> \u524d\u7f00\u8868\u793a\u8fd9\u4e2a\u811a\u672c\u5728 upload \u52a8\u4f5c\u4e4b\u524d\u6267\u884c\u3002\u811a\u672c\u7684\u804c\u8d23\u5c31\u662f\u627e\u5230\u6b63\u786e\u7684\u7aef\u53e3\u5e76\u628a\u82af\u7247\u5207\u5230 bootloader \u6a21\u5f0f\uff0c\u7136\u540e\u518d\u4ea4\u7ed9 esptool \u53bb\u70e7\u5f55\u3002<\/li>\n<li><code>build_flags<\/code> \u91cc\u7684 <code>-DAPP_USB_VID<\/code> \u548c <code>-DAPP_USB_PID<\/code> \u8981\u548c\u56fa\u4ef6\u91cc\u5b9e\u9645\u7528\u7684 VID\/PID \u4e00\u81f4\u3002\u4e0a\u9762\u7684 <code>0x1234<\/code> \/ <code>0x5678<\/code> \u53ea\u662f\u5360\u4f4d\uff0c\u6362\u6210\u5b9e\u9645\u56fa\u4ef6\u4e2d\u4f7f\u7528\u7684\u503c\u3002\u4e0a\u4f20\u811a\u672c\u4f1a\u4ece\u8fd9\u91cc\u8bfb\u53d6 VID\/PID \u6765\u5339\u914d\u4e32\u53e3\u8bbe\u5907\u3002<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"%E4%B8%8A%E4%BC%A0%E8%84%9A%E6%9C%AC%E7%9A%84%E5%B7%A5%E4%BD%9C%E6%B5%81%E7%A8%8B\"><\/span>\u4e0a\u4f20\u811a\u672c\u7684\u5de5\u4f5c\u6d41\u7a0b<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u811a\u672c\u7684\u903b\u8f91\u5176\u5b9e\u5c31\u4e94\u6b65\uff0c\u5bf9\u5e94\u4e0a\u4e00\u8282\u65b9\u6848\u601d\u8def\u91cc\u8bb2\u7684\u90a3\u4e2a\u6d41\u7a0b\uff1a<\/p>\n<ol>\n<li><strong>\u626b\u63cf\u4e32\u53e3\uff0c\u627e\u5e94\u7528 CDC \u7aef\u53e3<\/strong> \u2014\u2014 \u904d\u5386\u7cfb\u7edf\u5f53\u524d\u6240\u6709\u4e32\u53e3\uff0c\u901a\u8fc7 VID\/PID \u5339\u914d\u627e\u5230\u56fa\u4ef6\u66b4\u9732\u7684\u90a3\u4e2a CDC \u865a\u62df\u4e32\u53e3\u3002<\/li>\n<li><strong>\u68c0\u67e5\u662f\u5426\u5df2\u7ecf\u6709 bootloader \u7aef\u53e3<\/strong> \u2014\u2014 \u5982\u679c\u7cfb\u7edf\u91cc\u5df2\u7ecf\u6709\u4e00\u4e2a VID \u4e3a <code>0x303A<\/code>\uff08Espressif\uff09\u7684\u7aef\u53e3\uff0c\u8bf4\u660e\u82af\u7247\u5df2\u7ecf\u5728 bootloader \u6a21\u5f0f\u4e86\uff0c\u76f4\u63a5\u8df3\u8fc7\u540e\u9762\u7684\u6b65\u9aa4\u3002\u8fd9\u79cd\u60c5\u51b5\u901a\u5e38\u662f\u4e0a\u6b21\u70e7\u5f55\u5931\u8d25\u540e\u82af\u7247\u505c\u5728\u4e86 bootloader \u91cc\u3002<\/li>\n<li><strong>1200bps touch \u89e6\u53d1\u91cd\u542f<\/strong> \u2014\u2014 \u4ee5 1200bps \u6ce2\u7279\u7387\u6253\u5f00 CDC \u7aef\u53e3\uff0c\u8bbe\u7f6e DTR\/RTS \u4e3a\u4f4e\uff0c\u7136\u540e\u5173\u95ed\u8fde\u63a5\u3002\u56fa\u4ef6\u68c0\u6d4b\u5230\u8fd9\u4e2a\u4fe1\u53f7\u540e\u4f1a\u81ea\u52a8\u8c03\u7528 <code>esp_restart()<\/code> \u91cd\u542f\u8fdb\u5165 bootloader\u3002\u8fd9\u4e00\u6b65\u6709\u91cd\u8bd5\u673a\u5236\uff0c\u56e0\u4e3a\u7aef\u53e3\u53ef\u80fd\u6682\u65f6\u88ab\u5360\u7528\u6216\u8005\u54cd\u5e94\u6162\u3002<\/li>\n<li><strong>\u8f6e\u8be2\u7b49\u5f85 bootloader \u7aef\u53e3\u51fa\u73b0<\/strong> \u2014\u2014 \u82af\u7247\u91cd\u542f\u540e\uff0cUSB \u8bbe\u5907\u4f1a\u5148\u6d88\u5931\u518d\u91cd\u65b0\u679a\u4e3e\uff0c\u51fa\u6765\u7684\u5c31\u662f bootloader \u7684\u7aef\u53e3\u4e86\u3002\u811a\u672c\u4f1a\u5728\u8d85\u65f6\u65f6\u95f4\u5185\u53cd\u590d\u626b\u63cf\uff0c\u76f4\u5230\u53d1\u73b0\u65b0\u7aef\u53e3\u3002<\/li>\n<li><strong>\u66ff\u6362 esptool \u53c2\u6570\uff0c\u5f00\u59cb\u70e7\u5f55<\/strong> \u2014\u2014 \u628a esptool \u7684 <code>--before<\/code> \u6539\u6210 <code>no-reset<\/code>\uff08\u56e0\u4e3a\u6211\u4eec\u5df2\u7ecf\u624b\u52a8\u89e6\u53d1\u4e86\u91cd\u542f\uff09\uff0c<code>--after<\/code> \u6539\u6210 <code>watchdog-reset<\/code>\uff0c\u4e0a\u4f20\u7aef\u53e3\u6307\u5411 bootloader \u7aef\u53e3\u3002\u7136\u540e PlatformIO \u6b63\u5e38\u8c03\u7528 esptool \u5b8c\u6210\u70e7\u5f55\u3002<\/li>\n<\/ol>\n<p>\u6574\u4e2a\u6d41\u7a0b\u91cc\u6700\u5bb9\u6613\u51fa\u95ee\u9898\u7684\u5c31\u662f\u7b2c 3 \u6b65\u548c\u7b2c 4 \u6b65\u3002USB \u8bbe\u5907\u7684\u6d88\u5931\u548c\u91cd\u65b0\u679a\u4e3e\u6709\u65f6\u5019\u4f1a\u6bd4\u8f83\u6162\uff0c\u4e0d\u540c\u64cd\u4f5c\u7cfb\u7edf\u7684\u884c\u4e3a\u4e5f\u4e0d\u592a\u4e00\u6837\u3002<\/p>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"%E6%96%B0%E7%9A%84%E7%83%A7%E5%BD%95%E8%BF%87%E7%A8%8B%E6%97%A5%E5%BF%97\"><\/span>\u65b0\u7684\u70e7\u5f55\u8fc7\u7a0b\u65e5\u5fd7<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u52a0\u4e0a\u524d\u9762\u7684\u914d\u7f6e\u4e4b\u540e\uff0c\u518d\u6b21\u4f7f\u7528 <code>pio run -t upload<\/code> \u547d\u4ee4\u70e7\u5f55\u56fa\u4ef6\u65f6\uff0c\u53ef\u4ee5\u4ece\u65e5\u5fd7\u4e2d\u770b\u5230\u67e5\u627e\u4e32\u53e3\u30011200bps touch \u7684\u8fc7\u7a0b\u3002<\/p>\n<pre><code class=\"language-bash\">......\nCURRENT: upload_protocol = esptool\n_before_upload([&quot;upload&quot;], [&quot;.pio\/build\/esp32s3\/firmware.bin&quot;])\nNative USB upload: application CDC port is \/dev\/cu.usbmodemDCB4D916D93C2\nNative USB upload: touching \/dev\/cu.usbmodemDCB4D916D93C2 at 1200 bps\nNative USB upload: bootloader port is \/dev\/cu.usbmodem11301\nLooking for upload port...\nUsing manually specified: \/dev\/cu.usbmodem11301\nUploading .pio\/build\/esp32s3\/firmware.bin\n......<\/code><\/pre>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"%E6%80%BB%E7%BB%93\"><\/span>\u603b\u7ed3<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img src=\"https:\/\/xujiwei.com\/blog\/wp-content\/uploads\/2026\/03\/esp32-s3-usdhid-with-flash-5.jpg\" alt=\"esp32-s3-usdhid-with-flash-5\" \/><\/p>\n<p>\u6574\u4e2a\u65b9\u6848\u5728 macOS + PlatformIO + Arduino \u4e0b\u6d4b\u8bd5\u6210\u529f\u4e86\uff0c\u5176\u4ed6\u5e73\u53f0\u53ef\u80fd\u9700\u8981\u6839\u636e\u5b9e\u9645\u78b0\u5230\u7684\u95ee\u9898\u8fdb\u884c\u4fee\u6539\u3002<\/p>\n<p>\u8981\u6539\u7684\u4e1c\u897f\u5176\u5b9e\u4e0d\u591a\uff0c\u56fa\u4ef6\u7aef\u52a0\u51e0\u884c CDC \u521d\u59cb\u5316\u4ee3\u7801\uff0cPlatformIO \u7aef\u52a0\u4e00\u4e2a pre-upload \u811a\u672c\u548c\u4e24\u884c\u914d\u7f6e\u3002\u6362\u6765\u7684\u662f <code>pio run -t upload<\/code> \u4e00\u952e\u70e7\u5f55\uff0c\u4e0d\u7528\u518d\u53cd\u590d\u6309 BOOT \u6309\u94ae\u4e86\u3002<\/p>\n<p>\u7406\u8bba\u4e0a\u8fd9\u4e2a\u811a\u672c\u4e5f\u662f\u53ef\u4ee5\u5728\u9879\u76ee\u95f4\u5171\u7528\u7684\uff0c\u4e0d\u8fc7\u653e\u5728\u4ee5\u540e\u518d\u6162\u6162\u6298\u817e\u5427\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u524d\u8a00 \u6700\u8fd1\u5f88\u559c\u6b22\u7528 ESP32-S3-Zero \u8fd9\u4e2a\u5f00\u53d1\u677f\uff0c\u5c3a\u5bf8\u8ddf ESP32- &hellip;<\/p>\n<p class=\"read-more\"><a href=\"https:\/\/xujiwei.com\/blog\/2026\/04\/esp32-auto-flash-with-usbhid\/\">\u7ee7\u7eed\u9605\u8bfb &raquo;<\/a><\/p>\n","protected":false},"author":2,"featured_media":2111,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[402],"tags":[262,328,509],"_links":{"self":[{"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/posts\/2156"}],"collection":[{"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/comments?post=2156"}],"version-history":[{"count":0,"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/posts\/2156\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/media\/2111"}],"wp:attachment":[{"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/media?parent=2156"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/categories?post=2156"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/tags?post=2156"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}