{"id":76765,"date":"2026-02-23T09:33:16","date_gmt":"2026-02-23T01:33:16","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/76765.html"},"modified":"2026-02-23T09:33:16","modified_gmt":"2026-02-23T01:33:16","slug":"%e6%88%90%e6%9c%ac%e7%a0%8d%e5%88%b01-10%ef%bc%81%e5%a8%81%e5%93%a5stm32h7ov5640c-yolov8%e8%be%b9%e7%bc%98%e6%8e%a8%e7%90%86%e5%ae%9e%e6%88%98%ef%bc%9a%e8%a3%b8%e6%9c%ba%e5%8d%8f%e5%90%8c%e4%b8%8a","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/76765.html","title":{"rendered":"\u6210\u672c\u780d\u52301\/10\uff01\u5a01\u54e5STM32H7+OV5640+C# YOLOv8\u8fb9\u7f18\u63a8\u7406\u5b9e\u6218\uff1a\u88f8\u673a\u534f\u540c\u4e0a\u4f4d\u673a\u6beb\u79d2\u7ea7\u68c0\u6d4b"},"content":{"rendered":"<p>\u4e0a\u4e2a\u6708\u5929\u6d25\u6ee8\u6d77\u7684\u674e\u8001\u677f\u627e\u6211&#xff0c;\u6101\u7709\u82e6\u8138\u7684&#xff1a;\u201c\u5a01\u54e5&#xff0c;\u4e4b\u524d\u90a3\u5957T400\u5de5\u63a7\u673a\u7684\u68c0\u6d4b\u65b9\u6848\u597d\u7528\u662f\u597d\u7528&#xff0c;\u4f46\u6211\u4eec\u8981\u505a100\u53f0\u4fbf\u643a\u5f0f\u8bbe\u5907\u53bb\u73b0\u573a\u5de1\u68c0&#xff0c;\u4e00\u53f0\u5de5\u63a7\u673a2000\u5757&#xff0c;\u6210\u672c\u5b9e\u5728\u625b\u4e0d\u4f4f&#xff0c;\u80fd\u4e0d\u80fd\u641e\u4e2a\u4fbf\u5b9c\u70b9\u7684\u5d4c\u5165\u5f0f\u65b9\u6848&#xff1f;\u201d<\/p>\n<p>\u6211\u5f53\u65f6\u62cd\u80f8\u812f\u8bf4\u6ca1\u95ee\u9898&#xff0c;\u4f46\u5fc3\u91cc\u5176\u5b9e\u6ca1\u5e95\u2014\u2014STM32H7\u867d\u7136\u662fCortex-M7\u91cc\u7684\u625b\u628a\u5b50&#xff0c;\u4e3b\u9891400MHz&#xff0c;\u4f46\u8981\u8dd1\u5b8c\u6574\u7684YOLOv8\u8fd8\u662f\u592a\u52c9\u5f3a\u4e86\u3002\u540e\u6765\u8e72\u5728\u5b9e\u9a8c\u5ba4\u91cc\u71ac\u4e86\u4e09\u4e2a\u901a\u5bb5&#xff0c;\u60f3\u4e86\u4e2a\u201c\u5206\u5de5\u534f\u4f5c\u201d\u7684\u6cd5\u5b50&#xff1a;STM32H7\u88f8\u673a\u8d1f\u8d23\u91c7\u96c6\u56fe\u50cf\u3001\u9884\u5904\u7406\u548c\u7b80\u5355\u63a7\u5236&#xff0c;C#\u4e0a\u4f4d\u673a&#xff08;\u7528\u4e2a\u4fbf\u5b9c\u7684\u6811\u8393\u6d3e4\u6216\u8005\u8ff7\u4f60PC\u5c31\u884c&#xff09;\u8d1f\u8d23\u8dd1YOLOv8\u63a8\u7406\u548c\u540e\u5904\u7406&#xff0c;\u4e24\u8005\u7528\u4ee5\u592a\u7f51\u901a\u4fe1&#xff0c;\u6210\u672c\u76f4\u63a5\u780d\u5230200\u5757\u4e00\u5957&#xff0c;\u901f\u5ea6\u8fd8\u4e0d\u6162\u3002<\/p>\n<p>\u4eca\u5929\u5c31\u8ddf\u5927\u5bb6\u5520\u5520\u8fd9\u4e2d\u95f4\u7684\u5177\u4f53\u5b9e\u73b0\u548c\u8e29\u7684\u5751&#xff0c;\u4ece\u786c\u4ef6\u9009\u578b\u5230STM32\u88f8\u673a\u4ee3\u7801&#xff0c;\u518d\u5230C#\u4e0a\u4f4d\u673a\u7684\u534f\u540c&#xff0c;\u5168\u662f\u80fd\u76f4\u63a5\u843d\u5730\u7684\u5e72\u8d27\u3002<\/p>\n<hr \/>\n<h3>\u5148\u5b9a\u67b6\u6784&#xff1a;\u522b\u786c\u8ba9STM32\u8dd1\u63a8\u7406&#xff0c;\u5206\u5de5\u624d\u662f\u738b\u9053<\/h3>\n<p>\u4e00\u5f00\u59cb\u6211\u4e5f\u60f3\u8fc7\u7528NPU\u6216\u8005\u628aYOLOv8\u91cf\u5316\u5230\u6781\u81f4\u8dd1\u5728STM32\u4e0a&#xff0c;\u4f46\u8bd5\u4e86\u4e00\u4e0b\u2014\u2014YOLOv8n\u91cf\u5316\u5230INT8\u540e&#xff0c;\u7528STM32H7\u7684CMSIS-NN\u5e93\u8dd1&#xff0c;\u4e00\u5e27320&#215;320\u7684\u56fe\u50cf\u89812\u79d2\u591a&#xff0c;\u6839\u672c\u6ca1\u6cd5\u7528\u3002<\/p>\n<p>\u540e\u6765\u6362\u4e86\u601d\u8def&#xff0c;\u628a\u4efb\u52a1\u62c6\u6210\u4e24\u534a&#xff1a;<\/p>\n<ul>\n<li>\u8fb9\u7f18\u7aef&#xff08;STM32H7&#043;OV5640&#xff09;&#xff1a;\n<li>\u7528DCMI\u63a5\u53e3&#043;DMA\u91c7\u96c6OV5640\u7684RGB565\u56fe\u50cf&#xff0c;\u76f4\u63a5\u5b58\u5230SRAM&#xff0c;\u4e0d\u5360CPU&#xff1b;<\/li>\n<li>\u505a\u8f7b\u91cf\u7ea7\u9884\u5904\u7406&#xff1a;\u628aRGB565\u8f6c\u6210RGB888&#xff0c;Resize\u5230320&#215;320&#xff08;\u7528\u53cc\u7ebf\u6027\u63d2\u503c\u592a\u8d39CPU&#xff0c;\u6211\u7528\u4e86\u6700\u8fd1\u90bb\u63d2\u503c&#xff0c;\u901f\u5ea6\u5feb&#xff0c;\u7cbe\u5ea6\u635f\u5931\u4e5f\u4e0d\u5927&#xff09;&#xff1b;<\/li>\n<li>\u7528W5500\u4ee5\u592a\u7f51\u6a21\u5757\u628a\u9884\u5904\u7406\u540e\u7684\u56fe\u50cf\u6570\u636e\u53d1\u7ed9\u4e0a\u4f4d\u673a&#xff1b;<\/li>\n<li>\u63a5\u6536\u4e0a\u4f4d\u673a\u7684\u68c0\u6d4b\u7ed3\u679c&#xff0c;\u63a7\u5236LED\u706f&#xff08;\u5408\u683c\u4eae\u7eff\u706f&#xff0c;\u4e0d\u5408\u683c\u4eae\u7ea2\u706f&#xff09;\u3002<\/li>\n<\/li>\n<li>\u4e0a\u4f4d\u673a\u7aef&#xff08;C# &#043; TensorRT&#xff09;&#xff1a;\n<li>\u7528TCP\u534f\u8bae\u63a5\u6536STM32\u53d1\u8fc7\u6765\u7684\u56fe\u50cf\u6570\u636e&#xff0c;\u91cd\u7ec4\u5e27&#xff1b;<\/li>\n<li>\u628a\u56fe\u50cf\u6570\u636e\u8f6c\u6210Tensor&#xff0c;\u7528\u4e4b\u524d\u4f18\u5316\u597d\u7684YOLOv8n INT8\u6a21\u578b\u63a8\u7406&#xff1b;<\/li>\n<li>\u89e3\u6790\u68c0\u6d4b\u6846&#xff0c;\u753b\u6846\u663e\u793a&#xff1b;<\/li>\n<li>\u628a\u68c0\u6d4b\u7ed3\u679c\u53d1\u56de\u7ed9STM32\u3002<\/li>\n<\/li>\n<\/ul>\n<p>\u8fd9\u6837\u5206\u5de5\u540e&#xff0c;STM32\u53ea\u505a\u81ea\u5df1\u64c5\u957f\u7684\u201c\u91c7\u96c6&#043;\u4f20\u8f93&#043;\u63a7\u5236\u201d&#xff0c;\u63a8\u7406\u4ea4\u7ed9\u4e0a\u4f4d\u673a&#xff0c;\u6210\u672c\u4f4e&#xff0c;\u901f\u5ea6\u8fd8\u5feb\u2014\u2014\u5b9e\u6d4b\u603b\u5ef6\u8fdf60ms\u5de6\u53f3&#xff0c;\u5b8c\u5168\u6ee1\u8db3\u73b0\u573a\u5de1\u68c0\u7684\u9700\u6c42\u3002<\/p>\n<hr \/>\n<h3>\u786c\u4ef6\u90e8\u5206&#xff1a;\u9009\u5bf9\u82af\u7247\u548c\u6a21\u5757&#xff0c;\u5c11\u8d70\u4e00\u534a\u5f2f\u8def<\/h3>\n<p>\u786c\u4ef6\u9009\u578b\u6211\u8e29\u4e86\u4e0d\u5c11\u5751&#xff0c;\u4e00\u5f00\u59cb\u7528\u4e86USB\u6444\u50cf\u5934&#xff0c;\u7ed3\u679cSTM32\u7684USB Host\u9a71\u52a8\u5199\u8d77\u6765\u592a\u9ebb\u70e6&#xff0c;\u8fd8\u4e0d\u7a33\u5b9a&#xff1b;\u540e\u6765\u6362\u4e86DCMI\u63a5\u53e3\u7684OV5640&#xff0c;\u7ec8\u4e8e\u987a\u4e86\u3002\u7ed9\u5927\u5bb6\u5217\u4e00\u4e0b\u6700\u7ec8\u7684\u786c\u4ef6\u6e05\u5355&#xff1a;<\/p>\n<table>\n<tr>\u786c\u4ef6\u6a21\u5757\u578b\u53f7\/\u89c4\u683c\u4ef7\u683c\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>\u4e3b\u63a7\u82af\u7247<\/td>\n<td>STM32H743VIT6<\/td>\n<td>80\u5143<\/td>\n<td>\u4e3b\u9891400MHz&#xff0c;\u6709DCMI\u63a5\u53e3&#xff0c;SRAM\u591f\u5927&#xff08;1MB&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>\u6444\u50cf\u5934<\/td>\n<td>OV5640&#xff08;DCMI\u63a5\u53e3&#xff09;<\/td>\n<td>30\u5143<\/td>\n<td>500\u4e07\u50cf\u7d20&#xff0c;\u652f\u6301RGB565\u8f93\u51fa&#xff0c;\u521d\u59cb\u5316\u7b80\u5355<\/td>\n<\/tr>\n<tr>\n<td>\u4ee5\u592a\u7f51\u6a21\u5757<\/td>\n<td>W5500&#xff08;SPI\u63a5\u53e3&#xff09;<\/td>\n<td>25\u5143<\/td>\n<td>\u786c\u4ef6TCP\/IP\u534f\u8bae\u6808&#xff0c;\u4e0d\u7528STM32\u8dd1\u534f\u8bae&#xff0c;\u7701CPU<\/td>\n<\/tr>\n<tr>\n<td>\u7535\u6e90\u6a21\u5757<\/td>\n<td>5V\/2A DC-DC<\/td>\n<td>10\u5143<\/td>\n<td>\u7ed9STM32\u3001\u6444\u50cf\u5934\u3001\u4ee5\u592a\u7f51\u6a21\u5757\u4f9b\u7535<\/td>\n<\/tr>\n<tr>\n<td>LED\u706f&#043;\u7535\u963b<\/td>\n<td>\u7ea2\/\u7effLED\u5404\u4e00\u4e2a&#xff0c;220\u03a9\u7535\u963b<\/td>\n<td>2\u5143<\/td>\n<td>\u663e\u793a\u68c0\u6d4b\u7ed3\u679c<\/td>\n<\/tr>\n<tr>\n<td>\u5176\u4ed6&#xff08;PCB\u3001\u675c\u90a6\u7ebf&#xff09;<\/td>\n<td>&#8211;<\/td>\n<td>53\u5143<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u8e29\u57511&#xff1a;DCMI\u7684\u65f6\u5e8f\u914d\u7f6e<br \/>\nOV5640\u7684DCMI\u8f93\u51fa\u662f\u884c\u573a\u540c\u6b65\u4fe1\u53f7&#xff08;VSYNC\u3001HSYNC&#xff09;&#043;\u50cf\u7d20\u65f6\u949f&#xff08;PCLK&#xff09;&#043;\u6570\u636e&#xff08;D0-D7&#xff09;&#xff0c;\u4e00\u5f00\u59cb\u6211\u7528STM32CubeMX\u914d\u7f6eDCMI\u65f6&#xff0c;\u628aPCLK\u7684\u6781\u6027\u8bbe\u53cd\u4e86&#xff0c;\u91c7\u51fa\u6765\u7684\u56fe\u50cf\u5168\u662f\u82b1\u7684\u3002\u540e\u6765\u7ffb\u4e86OV5640\u7684 datasheet&#xff0c;\u624d\u77e5\u9053PCLK\u662f\u4e0a\u5347\u6cbf\u6709\u6548&#xff0c;VSYNC\u662f\u9ad8\u7535\u5e73\u6709\u6548&#xff0c;HSYNC\u662f\u9ad8\u7535\u5e73\u6709\u6548&#xff0c;\u6539\u4e86\u914d\u7f6e\u540e\u56fe\u50cf\u7ec8\u4e8e\u6b63\u5e38\u4e86\u3002<\/p>\n<p>\u8e29\u57512&#xff1a;SRAM\u4e0d\u591f\u7528<br \/>\n\u4e00\u5e27320&#215;320\u7684RGB888\u56fe\u50cf\u662f307200\u5b57\u8282&#xff0c;STM32H743\u7684SRAM\u662f1MB&#xff0c;\u672c\u6765\u591f&#xff0c;\u4f46\u4e00\u5f00\u59cb\u6211\u628aDCMI\u7684DMA\u7f13\u51b2\u533a\u8bbe\u5230\u4e86ITCM\u91cc&#xff08;\u901f\u5ea6\u5feb&#xff09;&#xff0c;\u7ed3\u679cITCM\u53ea\u670964KB&#xff0c;\u6839\u672c\u5b58\u4e0d\u4e0b\u3002\u540e\u6765\u628a\u7f13\u51b2\u533a\u8bbe\u5230\u4e86DTCM&#xff08;128KB&#xff09;&#043; AXI SRAM&#xff08;512KB&#xff09;\u91cc&#xff0c;\u7528\u53cc\u7f13\u51b2\u6a21\u5f0f\u2014\u2014\u91c7\u7b2c\u4e00\u5e27\u7684\u65f6\u5019\u5b58\u5728\u7f13\u51b2\u533a1&#xff0c;\u91c7\u7b2c\u4e8c\u5e27\u7684\u65f6\u5019\u5b58\u5728\u7f13\u51b2\u533a2&#xff0c;\u540c\u65f6\u628a\u7f13\u51b2\u533a1\u7684\u6570\u636e\u53d1\u7ed9\u4ee5\u592a\u7f51&#xff0c;\u8fd9\u6837\u901f\u5ea6\u66f4\u5feb&#xff0c;\u4e5f\u4e0d\u4f1a\u4e22\u5e27\u3002<\/p>\n<hr \/>\n<h3>STM32\u88f8\u673a\u4ee3\u7801&#xff1a;\u91cd\u70b9\u662f\u9ad8\u6548\u91c7\u96c6\u548c\u7a33\u5b9a\u4f20\u8f93<\/h3>\n<p>STM32\u7684\u4ee3\u7801\u6211\u7528\u7684\u662fSTM32CubeMX\u751f\u6210\u7684HAL\u5e93&#xff0c;\u91cd\u70b9\u5199\u4e86\u4e09\u4e2a\u90e8\u5206&#xff1a;OV5640\u521d\u59cb\u5316&#043;DCMI\u91c7\u96c6\u3001\u56fe\u50cf\u9884\u5904\u7406\u3001W5500\u4ee5\u592a\u7f51\u901a\u4fe1\u3002<\/p>\n<h4>1. OV5640\u521d\u59cb\u5316&#043;DCMI\u91c7\u96c6<\/h4>\n<p>OV5640\u7684\u521d\u59cb\u5316\u662f\u901a\u8fc7I2C\u63a5\u53e3\u5199\u5bc4\u5b58\u5668&#xff0c;\u6211\u76f4\u63a5\u7528\u4e86\u7f51\u4e0a\u5f00\u6e90\u7684OV5640\u521d\u59cb\u5316\u4ee3\u7801&#xff0c;\u7a0d\u5fae\u6539\u4e86\u6539\u8f93\u51fa\u683c\u5f0f\u2014\u2014\u8bbe\u6210RGB565&#xff0c;\u5206\u8fa8\u7387320&#215;240&#xff08;\u540e\u6765\u9884\u5904\u7406\u518dResize\u5230320&#215;320&#xff0c;\u8fd9\u6837\u91c7\u96c6\u901f\u5ea6\u66f4\u5feb&#xff09;\u3002<\/p>\n<p>DCMI\u91c7\u96c6\u7528\u7684\u662fDMA\u53cc\u7f13\u51b2\u6a21\u5f0f&#xff0c;\u4ee3\u7801\u5927\u6982\u662f\u8fd9\u6837\u7684&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ \u5b9a\u4e49\u53cc\u7f13\u51b2\u533a&#xff0c;\u653e\u5728AXI SRAM\u91cc<\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">BUFFER_SIZE<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token number\">320<\/span> <span class=\"token operator\">*<\/span> <span class=\"token number\">240<\/span> <span class=\"token operator\">*<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span> <\/span><span class=\"token comment\">\/\/ RGB565\u662f2\u5b57\u8282 per pixel<\/span><\/span><br \/>\n<span class=\"token class-name\">uint8_t<\/span> buffer1<span class=\"token punctuation\">[<\/span>BUFFER_SIZE<span class=\"token punctuation\">]<\/span> <span class=\"token keyword\">__attribute__<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">section<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;.AXISRAM&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token class-name\">uint8_t<\/span> buffer2<span class=\"token punctuation\">[<\/span>BUFFER_SIZE<span class=\"token punctuation\">]<\/span> <span class=\"token keyword\">__attribute__<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">section<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;.AXISRAM&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">volatile<\/span> <span class=\"token class-name\">uint8_t<\/span> dma_complete_flag <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">volatile<\/span> <span class=\"token class-name\">uint8_t<\/span> current_buffer <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ DCMI DMA\u5b8c\u6210\u56de\u8c03\u51fd\u6570<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">HAL_DCMI_FrameEventCallback<\/span><span class=\"token punctuation\">(<\/span>DCMI_HandleTypeDef <span class=\"token operator\">*<\/span>hdcmi<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    dma_complete_flag <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5207\u6362\u7f13\u51b2\u533a<\/span><br \/>\n    current_buffer <span class=\"token operator\">&#061;<\/span> <span class=\"token operator\">!<\/span>current_buffer<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u542f\u52a8\u4e0b\u4e00\u6b21\u91c7\u96c6<\/span><br \/>\n    <span class=\"token function\">HAL_DCMI_Start_DMA<\/span><span class=\"token punctuation\">(<\/span>hdcmi<span class=\"token punctuation\">,<\/span> DCMI_MODE_CONTINUOUS<span class=\"token punctuation\">,<\/span><br \/>\n                        <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">(<\/span>current_buffer <span class=\"token operator\">?<\/span> buffer2 <span class=\"token operator\">:<\/span> buffer1<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> BUFFER_SIZE <span class=\"token operator\">\/<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u4e3b\u5faa\u73af\u91cc\u7684\u91c7\u96c6\u903b\u8f91<\/span><br \/>\n<span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>dma_complete_flag<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        dma_complete_flag <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">uint8_t<\/span> <span class=\"token operator\">*<\/span>img_buffer <span class=\"token operator\">&#061;<\/span> current_buffer <span class=\"token operator\">?<\/span> buffer1 <span class=\"token operator\">:<\/span> buffer2<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u9884\u5904\u7406\u56fe\u50cf<\/span><br \/>\n        <span class=\"token function\">PreprocessImage<\/span><span class=\"token punctuation\">(<\/span>img_buffer<span class=\"token punctuation\">,<\/span> <span class=\"token number\">320<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">240<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u53d1\u9001\u7ed9\u4e0a\u4f4d\u673a<\/span><br \/>\n        <span class=\"token function\">SendToPC<\/span><span class=\"token punctuation\">(<\/span>preprocessed_buffer<span class=\"token punctuation\">,<\/span> <span class=\"token number\">320<\/span> <span class=\"token operator\">*<\/span> <span class=\"token number\">320<\/span> <span class=\"token operator\">*<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>2. \u56fe\u50cf\u9884\u5904\u7406&#xff1a;\u6700\u8fd1\u90bb\u63d2\u503cResize&#xff0c;\u7701CPU<\/h4>\n<p>\u9884\u5904\u7406\u8981\u505a\u4e24\u4ef6\u4e8b&#xff1a;RGB565\u8f6cRGB888\u548c320&#215;240 Resize\u5230320&#215;320\u3002<\/p>\n<p>RGB565\u8f6cRGB888\u5f88\u7b80\u5355&#xff0c;\u5c31\u662f\u628a5\u4f4d\u7684R\u30016\u4f4d\u7684G\u30015\u4f4d\u7684B\u5206\u522b\u5de6\u79fb\u52308\u4f4d&#xff1a;<\/p>\n<p><span class=\"token class-name\">uint16_t<\/span> rgb565 <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>img_buffer<span class=\"token punctuation\">[<\/span>i<span class=\"token operator\">*<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token number\">8<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">|<\/span> img_buffer<span class=\"token punctuation\">[<\/span>i<span class=\"token operator\">*<\/span><span class=\"token number\">2<\/span><span class=\"token operator\">&#043;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token class-name\">uint8_t<\/span> r <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>rgb565 <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token number\">11<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token class-name\">uint8_t<\/span> g <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>rgb565 <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token number\">5<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&amp;<\/span> <span class=\"token number\">0x3F<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token class-name\">uint8_t<\/span> b <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>rgb565 <span class=\"token operator\">&amp;<\/span> <span class=\"token number\">0x1F<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>Resize\u6211\u7528\u4e86\u6700\u8fd1\u90bb\u63d2\u503c&#xff0c;\u56e0\u4e3a\u53cc\u7ebf\u6027\u63d2\u503c\u8981\u7b97\u56db\u4e2a\u50cf\u7d20\u7684\u5e73\u5747\u503c&#xff0c;\u592a\u8d39CPU&#xff0c;\u6700\u8fd1\u90bb\u63d2\u503c\u76f4\u63a5\u53d6\u6700\u8fd1\u7684\u50cf\u7d20&#xff0c;\u901f\u5ea6\u5feb&#xff0c;\u7cbe\u5ea6\u635f\u5931\u4e5f\u4e0d\u5927\u2014\u2014320&#215;240\u5230320&#215;320&#xff0c;\u5c31\u662f\u628a\u4e0a\u4e0b\u5404\u886540\u884c\u9ed1\u8272\u50cf\u7d20&#xff0c;\u6216\u8005\u628a\u56fe\u50cf\u62c9\u4f38&#xff0c;\u6211\u9009\u4e86\u62c9\u4f38&#xff0c;\u4ee3\u7801\u5927\u6982\u662f\u8fd9\u6837\u7684&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ \u9884\u5904\u7406\u540e\u7684\u7f13\u51b2\u533a&#xff0c;320&#215;320 RGB888<\/span><br \/>\n<span class=\"token class-name\">uint8_t<\/span> preprocessed_buffer<span class=\"token punctuation\">[<\/span><span class=\"token number\">320<\/span> <span class=\"token operator\">*<\/span> <span class=\"token number\">320<\/span> <span class=\"token operator\">*<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token keyword\">__attribute__<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">section<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;.AXISRAM&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">PreprocessImage<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint8_t<\/span> <span class=\"token operator\">*<\/span>src<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> src_w<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> src_h<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> dst_w <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">320<\/span><span class=\"token punctuation\">,<\/span> dst_h <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">320<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> y <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> y <span class=\"token operator\">&lt;<\/span> dst_h<span class=\"token punctuation\">;<\/span> y<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u6700\u8fd1\u90bb\u63d2\u503c&#xff1a;src_y &#061; y * src_h \/ dst_h<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> src_y <span class=\"token operator\">&#061;<\/span> y <span class=\"token operator\">*<\/span> src_h <span class=\"token operator\">\/<\/span> dst_h<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> x <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> x <span class=\"token operator\">&lt;<\/span> dst_w<span class=\"token punctuation\">;<\/span> x<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">int<\/span> src_x <span class=\"token operator\">&#061;<\/span> x <span class=\"token operator\">*<\/span> src_w <span class=\"token operator\">\/<\/span> dst_w<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">int<\/span> src_idx <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>src_y <span class=\"token operator\">*<\/span> src_w <span class=\"token operator\">&#043;<\/span> src_x<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">*<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">int<\/span> dst_idx <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>y <span class=\"token operator\">*<\/span> dst_w <span class=\"token operator\">&#043;<\/span> x<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">*<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ RGB565\u8f6cRGB888<\/span><br \/>\n            <span class=\"token class-name\">uint16_t<\/span> rgb565 <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>src<span class=\"token punctuation\">[<\/span>src_idx<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token number\">8<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">|<\/span> src<span class=\"token punctuation\">[<\/span>src_idx<span class=\"token operator\">&#043;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            preprocessed_buffer<span class=\"token punctuation\">[<\/span>dst_idx<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>rgb565 <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token number\">11<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            preprocessed_buffer<span class=\"token punctuation\">[<\/span>dst_idx<span class=\"token operator\">&#043;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>rgb565 <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token number\">5<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&amp;<\/span> <span class=\"token number\">0x3F<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            preprocessed_buffer<span class=\"token punctuation\">[<\/span>dst_idx<span class=\"token operator\">&#043;<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>rgb565 <span class=\"token operator\">&amp;<\/span> <span class=\"token number\">0x1F<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>3. W5500\u4ee5\u592a\u7f51\u901a\u4fe1&#xff1a;\u52a0\u5e27\u5934\u5e27\u5c3e&#xff0c;\u907f\u514d\u4e22\u5305<\/h4>\n<p>W5500\u7684\u9a71\u52a8\u6211\u7528\u7684\u662f\u5b98\u65b9\u7684ioLibrary_Driver&#xff0c;\u7a0d\u5fae\u6539\u4e86\u6539&#xff0c;\u7528TCP Server\u6a21\u5f0f&#xff0c;\u7b49\u5f85C#\u4e0a\u4f4d\u673a\u8fde\u63a5\u3002<\/p>\n<p>\u901a\u4fe1\u534f\u8bae\u6211\u81ea\u5df1\u5b9a\u4e86\u4e00\u4e2a\u7b80\u5355\u7684\u5e27\u683c\u5f0f&#xff0c;\u907f\u514d\u4e22\u5305\u548c\u4e71\u5e8f&#xff1a;<\/p>\n<table>\n<tr>\u5e27\u5934&#xff08;2\u5b57\u8282&#xff09;\u6570\u636e\u957f\u5ea6&#xff08;4\u5b57\u8282&#xff09;\u56fe\u50cf\u6570\u636e&#xff08;N\u5b57\u8282&#xff09;\u6821\u9a8c\u548c&#xff08;1\u5b57\u8282&#xff09;\u5e27\u5c3e&#xff08;2\u5b57\u8282&#xff09;<\/tr>\n<tbody>\n<tr>\n<td>0xAA 0xBB<\/td>\n<td>N &#061; 3203203<\/td>\n<td>\u9884\u5904\u7406\u540e\u7684RGB888\u6570\u636e<\/td>\n<td>\u6240\u6709\u6570\u636e\u7684\u5f02\u6216\u548c<\/td>\n<td>0xCC 0xDD<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u53d1\u9001\u4ee3\u7801\u5927\u6982\u662f\u8fd9\u6837\u7684&#xff1a;<\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">SendToPC<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint8_t<\/span> <span class=\"token operator\">*<\/span>data<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> len<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5e27\u5934<\/span><br \/>\n    <span class=\"token class-name\">uint8_t<\/span> header<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token number\">0xAA<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0xBB<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u6570\u636e\u957f\u5ea6&#xff08;\u5927\u7aef\u5e8f&#xff09;<\/span><br \/>\n    <span class=\"token class-name\">uint8_t<\/span> len_bytes<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token punctuation\">(<\/span>len <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token number\">24<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&amp;<\/span> <span class=\"token number\">0xFF<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span>len <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token number\">16<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&amp;<\/span> <span class=\"token number\">0xFF<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                            <span class=\"token punctuation\">(<\/span>len <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token number\">8<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&amp;<\/span> <span class=\"token number\">0xFF<\/span><span class=\"token punctuation\">,<\/span> len <span class=\"token operator\">&amp;<\/span> <span class=\"token number\">0xFF<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u6821\u9a8c\u548c<\/span><br \/>\n    <span class=\"token class-name\">uint8_t<\/span> checksum <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> i <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> len<span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">)<\/span> checksum <span class=\"token operator\">^&#061;<\/span> data<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5e27\u5c3e<\/span><br \/>\n    <span class=\"token class-name\">uint8_t<\/span> tail<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token number\">0xCC<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0xDD<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u53d1\u9001<\/span><br \/>\n    <span class=\"token function\">send<\/span><span class=\"token punctuation\">(<\/span>socket<span class=\"token punctuation\">,<\/span> header<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>header<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">send<\/span><span class=\"token punctuation\">(<\/span>socket<span class=\"token punctuation\">,<\/span> len_bytes<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>len_bytes<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">send<\/span><span class=\"token punctuation\">(<\/span>socket<span class=\"token punctuation\">,<\/span> data<span class=\"token punctuation\">,<\/span> len<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">send<\/span><span class=\"token punctuation\">(<\/span>socket<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>checksum<span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">send<\/span><span class=\"token punctuation\">(<\/span>socket<span class=\"token punctuation\">,<\/span> tail<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>tail<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u8e29\u5751&#xff1a;W5500\u7684SPI\u901f\u5ea6<br \/>\n\u4e00\u5f00\u59cb\u6211\u628aW5500\u7684SPI\u65f6\u949f\u8bbe\u5230\u4e8650MHz&#xff0c;\u7ed3\u679c\u901a\u4fe1\u7ecf\u5e38\u51fa\u9519&#xff0c;\u540e\u6765\u964d\u523025MHz&#xff0c;\u5c31\u7a33\u5b9a\u4e86\u2014\u2014W5500\u7684\u6700\u5927SPI\u65f6\u949f\u662f80MHz&#xff0c;\u4f46\u675c\u90a6\u7ebf\u8fde\u63a5\u7684\u8bdd&#xff0c;\u4fe1\u53f7\u8870\u51cf\u5927&#xff0c;\u8fd8\u662f\u8bbe\u4f4e\u4e00\u70b9\u597d\u3002<\/p>\n<hr \/>\n<h3>C#\u4e0a\u4f4d\u673a&#xff1a;\u91cd\u70b9\u662f\u7f51\u7edc\u91cd\u7ec4\u5e27\u548cTensorRT\u63a8\u7406<\/h3>\n<p>C#\u4e0a\u4f4d\u673a\u7684\u4ee3\u7801\u5c31\u7b80\u5355\u591a\u4e86&#xff0c;\u7528\u4e4b\u524dYOLOv8\u7684\u4ee3\u7801\u6539\u6539\u5c31\u884c&#xff0c;\u91cd\u70b9\u52a0\u4e86\u7f51\u7edc\u901a\u4fe1\u548c\u5e27\u91cd\u7ec4\u3002<\/p>\n<h4>1. \u7f51\u7edc\u901a\u4fe1&#xff1a;TcpClient\u63a5\u6536\u6570\u636e&#xff0c;\u91cd\u7ec4\u5e27<\/h4>\n<p>\u7528System.Net.Sockets.TcpClient\u8fde\u63a5STM32\u7684W5500&#xff0c;\u7136\u540e\u7528\u4e00\u4e2a\u540e\u53f0\u7ebf\u7a0b\u4e0d\u65ad\u63a5\u6536\u6570\u636e&#xff0c;\u91cd\u7ec4\u5e27\u3002<\/p>\n<p>\u5e27\u91cd\u7ec4\u7684\u903b\u8f91\u662f&#xff1a;\u5148\u627e\u5e27\u59340xAA 0xBB&#xff0c;\u7136\u540e\u8bfb4\u5b57\u8282\u7684\u6570\u636e\u957f\u5ea6&#xff0c;\u518d\u8bfb\u5bf9\u5e94\u957f\u5ea6\u7684\u56fe\u50cf\u6570\u636e&#xff0c;\u7136\u540e\u8bfb\u6821\u9a8c\u548c&#xff0c;\u6700\u540e\u627e\u5e27\u5c3e0xCC 0xDD&#xff0c;\u6821\u9a8c\u548c\u5bf9\u7684\u8bdd&#xff0c;\u5c31\u628a\u56fe\u50cf\u6570\u636e\u4ea4\u7ed9\u63a8\u7406\u7ebf\u7a0b\u3002<\/p>\n<p>\u4ee3\u7801\u5927\u6982\u662f\u8fd9\u6837\u7684&#xff1a;<\/p>\n<p><span class=\"token keyword\">private<\/span> <span class=\"token class-name\">TcpClient<\/span> _tcpClient<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">private<\/span> <span class=\"token class-name\">NetworkStream<\/span> _stream<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">private<\/span> <span class=\"token class-name\">ConcurrentQueue<span class=\"token punctuation\">&lt;<\/span><span class=\"token keyword\">byte<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> _imageQueue <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\">ConcurrentQueue<span class=\"token punctuation\">&lt;<\/span><span class=\"token keyword\">byte<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u540e\u53f0\u7ebf\u7a0b\u63a5\u6536\u6570\u636e<\/span><br \/>\n<span class=\"token keyword\">private<\/span> <span class=\"token keyword\">async<\/span> <span class=\"token return-type class-name\">Task<\/span> <span class=\"token function\">ReceiveDataAsync<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">CancellationToken<\/span> cancellationToken<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token class-name\"><span class=\"token keyword\">var<\/span><\/span> buffer <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\"><span class=\"token keyword\">byte<\/span><\/span><span class=\"token punctuation\">[<\/span><span class=\"token number\">1024<\/span> <span class=\"token operator\">*<\/span> <span class=\"token number\">1024<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ 1MB\u7f13\u51b2\u533a<\/span><br \/>\n    <span class=\"token class-name\"><span class=\"token keyword\">int<\/span><\/span> bufferIndex <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>cancellationToken<span class=\"token punctuation\">.<\/span>IsCancellationRequested<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>_stream<span class=\"token punctuation\">.<\/span>DataAvailable<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token class-name\"><span class=\"token keyword\">int<\/span><\/span> bytesRead <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">await<\/span> _stream<span class=\"token punctuation\">.<\/span><span class=\"token function\">ReadAsync<\/span><span class=\"token punctuation\">(<\/span>buffer<span class=\"token punctuation\">,<\/span> bufferIndex<span class=\"token punctuation\">,<\/span> buffer<span class=\"token punctuation\">.<\/span>Length <span class=\"token operator\">&#8211;<\/span> bufferIndex<span class=\"token punctuation\">,<\/span> cancellationToken<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            bufferIndex <span class=\"token operator\">&#043;&#061;<\/span> bytesRead<span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u5c1d\u8bd5\u91cd\u7ec4\u5e27<\/span><br \/>\n            <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span>bufferIndex <span class=\"token operator\">&gt;&#061;<\/span> <span class=\"token number\">2<\/span> <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">4<\/span> <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1<\/span> <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token comment\">\/\/ \u81f3\u5c11\u8981\u5e27\u5934&#043;\u957f\u5ea6&#043;\u6821\u9a8c\u548c&#043;\u5e27\u5c3e<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token comment\">\/\/ \u627e\u5e27\u5934<\/span><br \/>\n                <span class=\"token class-name\"><span class=\"token keyword\">int<\/span><\/span> headerIndex <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">FindHeader<\/span><span class=\"token punctuation\">(<\/span>buffer<span class=\"token punctuation\">,<\/span> bufferIndex<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\"><span class=\"token keyword\">byte<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token number\">0xAA<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0xBB<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>headerIndex <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">{<\/span><br \/>\n                    <span class=\"token comment\">\/\/ \u6ca1\u627e\u5230\u5e27\u5934&#xff0c;\u6e05\u7a7a\u7f13\u51b2\u533a<\/span><br \/>\n                    bufferIndex <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                    <span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span><br \/>\n                <span class=\"token comment\">\/\/ \u628a\u5e27\u5934\u79fb\u5230\u7f13\u51b2\u533a\u5f00\u5934<\/span><br \/>\n                Array<span class=\"token punctuation\">.<\/span><span class=\"token function\">Copy<\/span><span class=\"token punctuation\">(<\/span>buffer<span class=\"token punctuation\">,<\/span> headerIndex<span class=\"token punctuation\">,<\/span> buffer<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> bufferIndex <span class=\"token operator\">&#8211;<\/span> headerIndex<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                bufferIndex <span class=\"token operator\">-&#061;<\/span> headerIndex<span class=\"token punctuation\">;<\/span><\/p>\n<p>                <span class=\"token comment\">\/\/ \u8bfb\u6570\u636e\u957f\u5ea6<\/span><br \/>\n                <span class=\"token class-name\"><span class=\"token keyword\">int<\/span><\/span> dataLen <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>buffer<span class=\"token punctuation\">[<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token number\">24<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">|<\/span> <span class=\"token punctuation\">(<\/span>buffer<span class=\"token punctuation\">[<\/span><span class=\"token number\">3<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token number\">16<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">|<\/span> <span class=\"token punctuation\">(<\/span>buffer<span class=\"token punctuation\">[<\/span><span class=\"token number\">4<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token number\">8<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">|<\/span> buffer<span class=\"token punctuation\">[<\/span><span class=\"token number\">5<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>bufferIndex <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">2<\/span> <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">4<\/span> <span class=\"token operator\">&#043;<\/span> dataLen <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1<\/span> <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">{<\/span><br \/>\n                    <span class=\"token comment\">\/\/ \u6570\u636e\u4e0d\u591f&#xff0c;\u7ee7\u7eed\u63a5\u6536<\/span><br \/>\n                    <span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span><\/p>\n<p>                <span class=\"token comment\">\/\/ \u8bfb\u56fe\u50cf\u6570\u636e<\/span><br \/>\n                <span class=\"token class-name\"><span class=\"token keyword\">var<\/span><\/span> imageData <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\"><span class=\"token keyword\">byte<\/span><\/span><span class=\"token punctuation\">[<\/span>dataLen<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                Array<span class=\"token punctuation\">.<\/span><span class=\"token function\">Copy<\/span><span class=\"token punctuation\">(<\/span>buffer<span class=\"token punctuation\">,<\/span> <span class=\"token number\">6<\/span><span class=\"token punctuation\">,<\/span> imageData<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> dataLen<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token comment\">\/\/ \u8bfb\u6821\u9a8c\u548c<\/span><br \/>\n                <span class=\"token class-name\"><span class=\"token keyword\">byte<\/span><\/span> checksum <span class=\"token operator\">&#061;<\/span> buffer<span class=\"token punctuation\">[<\/span><span class=\"token number\">6<\/span> <span class=\"token operator\">&#043;<\/span> dataLen<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token comment\">\/\/ \u8bfb\u5e27\u5c3e<\/span><br \/>\n                <span class=\"token class-name\"><span class=\"token keyword\">var<\/span><\/span> tail <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\"><span class=\"token keyword\">byte<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><\/span> <span class=\"token punctuation\">{<\/span> buffer<span class=\"token punctuation\">[<\/span><span class=\"token number\">6<\/span> <span class=\"token operator\">&#043;<\/span> dataLen <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span> buffer<span class=\"token punctuation\">[<\/span><span class=\"token number\">6<\/span> <span class=\"token operator\">&#043;<\/span> dataLen <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>                <span class=\"token comment\">\/\/ \u6821\u9a8c<\/span><br \/>\n                <span class=\"token class-name\"><span class=\"token keyword\">byte<\/span><\/span> calculatedChecksum <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">foreach<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\"><span class=\"token keyword\">var<\/span><\/span> b <span class=\"token keyword\">in<\/span> imageData<span class=\"token punctuation\">)<\/span> calculatedChecksum <span class=\"token operator\">^&#061;<\/span> b<span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>calculatedChecksum <span class=\"token operator\">&#061;&#061;<\/span> checksum <span class=\"token operator\">&amp;&amp;<\/span> tail<span class=\"token punctuation\">.<\/span><span class=\"token function\">SequenceEqual<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\"><span class=\"token keyword\">byte<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token number\">0xCC<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0xDD<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">{<\/span><br \/>\n                    <span class=\"token comment\">\/\/ \u6821\u9a8c\u901a\u8fc7&#xff0c;\u52a0\u5165\u961f\u5217<\/span><br \/>\n                    _imageQueue<span class=\"token punctuation\">.<\/span><span class=\"token function\">Enqueue<\/span><span class=\"token punctuation\">(<\/span>imageData<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span><\/p>\n<p>                <span class=\"token comment\">\/\/ \u79fb\u9664\u5df2\u5904\u7406\u7684\u6570\u636e<\/span><br \/>\n                <span class=\"token class-name\"><span class=\"token keyword\">int<\/span><\/span> processedLen <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">2<\/span> <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">4<\/span> <span class=\"token operator\">&#043;<\/span> dataLen <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1<\/span> <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                Array<span class=\"token punctuation\">.<\/span><span class=\"token function\">Copy<\/span><span class=\"token punctuation\">(<\/span>buffer<span class=\"token punctuation\">,<\/span> processedLen<span class=\"token punctuation\">,<\/span> buffer<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> bufferIndex <span class=\"token operator\">&#8211;<\/span> processedLen<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                bufferIndex <span class=\"token operator\">-&#061;<\/span> processedLen<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">await<\/span> Task<span class=\"token punctuation\">.<\/span><span class=\"token function\">Delay<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">10<\/span><span class=\"token punctuation\">,<\/span> cancellationToken<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u627e\u5e27\u5934\u7684\u8f85\u52a9\u65b9\u6cd5<\/span><br \/>\n<span class=\"token keyword\">private<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">int<\/span><\/span> <span class=\"token function\">FindHeader<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\"><span class=\"token keyword\">byte<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><\/span> buffer<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\"><span class=\"token keyword\">int<\/span><\/span> bufferLen<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\"><span class=\"token keyword\">byte<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><\/span> header<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\"><span class=\"token keyword\">int<\/span><\/span> i <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;&#061;<\/span> bufferLen <span class=\"token operator\">&#8211;<\/span> header<span class=\"token punctuation\">.<\/span>Length<span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\"><span class=\"token keyword\">bool<\/span><\/span> found <span 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