{"id":22625,"date":"2025-04-19T06:13:01","date_gmt":"2025-04-18T22:13:01","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/22625.html"},"modified":"2025-04-19T06:13:01","modified_gmt":"2025-04-18T22:13:01","slug":"stm32h723zgt6%e6%90%ad%e9%85%8ddp83848i-phy%e4%bd%bf%e7%94%a8netxduo%e5%ae%9e%e7%8e%b0tcp%e6%9c%8d%e5%8a%a1%e5%99%a8%e6%8c%87%e5%8d%97","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/22625.html","title":{"rendered":"stm32h723zgt6\u642d\u914dDP83848I PHY\u4f7f\u7528NetXDuo\u5b9e\u73b0TCP\u670d\u52a1\u5668\u6307\u5357"},"content":{"rendered":"<\/p>\n<h4>stm32h723zgt6\u642d\u914dDP83848I 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extensions\u63d2\u4ef6<\/li>\n<li>\u7f51\u7edc\u8c03\u8bd5\u8f6f\u4ef6&#xff08;sscom\u6216\u5176\u4ed6&#xff09;<\/li>\n<li>netxduo\u8f6f\u4ef6\u5305&#xff08;m7\u7cfb\u5217&#xff09;<\/li>\n<li>threadx\u8f6f\u4ef6\u5305&#xff08;m7\u7cfb\u5217&#xff09;<\/li>\n<h2>\u4e8c\u3001cubemx\u914d\u7f6e<\/h2>\n<h3>1.mpu&#xff0c;cache\u914d\u7f6e<\/h3>\n<p>\u914d\u7f6empu\u4e4b\u524d&#xff0c;\u9996\u5148\u8981\u641e\u6e05\u695ah7\u7cfb\u5217\u7684ram\u5206\u5e03&#xff0c;\u6839\u636e\u94fe\u63a5\u6587\u4ef6\u6216\u8005\u67e5\u624b\u518c\u53ef\u77e5&#xff1a;<\/p>\n<p><span class=\"token constant\">MEMORY<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token constant\">DTCMRAM<\/span> <span class=\"token punctuation\">(<\/span>xrw<span class=\"token punctuation\">)<\/span>  <span class=\"token operator\">:<\/span> <span class=\"token constant\">ORIGIN<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0x20000000<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token constant\">LENGTH<\/span> <span class=\"token operator\">&#061;<\/span> 128K<br \/>\n<span class=\"token constant\">RAM<\/span> <span class=\"token punctuation\">(<\/span>xrw<span class=\"token punctuation\">)<\/span>      <span class=\"token operator\">:<\/span> <span class=\"token constant\">ORIGIN<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0x24000000<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token constant\">LENGTH<\/span> <span class=\"token operator\">&#061;<\/span> 128K<br \/>\n<span class=\"token constant\">RAM_D2<\/span> <span class=\"token punctuation\">(<\/span>xrw<span class=\"token punctuation\">)<\/span>   <span class=\"token operator\">:<\/span> <span class=\"token constant\">ORIGIN<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0x30000000<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token constant\">LENGTH<\/span> <span class=\"token operator\">&#061;<\/span> 32K<br \/>\n<span class=\"token constant\">RAM_D3<\/span> <span class=\"token punctuation\">(<\/span>xrw<span class=\"token punctuation\">)<\/span>   <span class=\"token operator\">:<\/span> <span class=\"token constant\">ORIGIN<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0x38000000<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token constant\">LENGTH<\/span> <span class=\"token operator\">&#061;<\/span> 16K<br \/>\n<span class=\"token constant\">ITCMRAM<\/span> <span class=\"token punctuation\">(<\/span>xrw<span class=\"token punctuation\">)<\/span>  <span class=\"token operator\">:<\/span> <span class=\"token constant\">ORIGIN<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0x00000000<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token constant\">LENGTH<\/span> <span class=\"token operator\">&#061;<\/span> 64K<br \/>\n<span class=\"token constant\">FLASH<\/span> <span class=\"token punctuation\">(<\/span>rx<span class=\"token punctuation\">)<\/span>     <span class=\"token operator\">:<\/span> <span class=\"token constant\">ORIGIN<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0x8000000<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token constant\">LENGTH<\/span> <span class=\"token operator\">&#061;<\/span> 1024K<br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u4f17\u6240\u5468\u77e5&#xff0c;DMA\u662f\u4e0d\u80fd\u8bbf\u95eeDTCM\u7684&#xff0c;\u56e0\u6b64\u4ee5\u592a\u7f51\u76f8\u5173\u7684DMA\u63cf\u8ff0\u7b26\u4ee5\u53caNetXDuo\u9700\u8981\u7684\u5185\u5b58\u6c60\u90fd\u4e0d\u80fd\u653e\u5728\u8fd9\u4e2a\u533a\u57df&#xff0c;\u4e3a\u4e86\u65b9\u4fbf\u548c\u5b89\u5168\u6700\u597d\u5c06\u4ee5\u592a\u7f51\u7684DMA\u63cf\u8ff0\u7b26\u548c\u5185\u5b58\u6c60\u653e\u5728RAM_D2&#xff0c;RAM\u548cDTCM\u7559\u7ed9\u666e\u901a\u7a0b\u5e8f\u3002<\/p>\n<p>\u56e0\u6b64\u6211\u4eec\u53ea\u9700\u8981\u5bf90x30000000\u8d77\u59cb\u7684\u5927\u5c0f\u4e3a32k\u7684\u533a\u57df\u8fdb\u884cmpu\u914d\u7f6e&#xff0c;\u5206\u4e3a\u4e24\u4e2a\u533a\u57df\u8fdb\u884c\u914d\u7f6e&#xff1a; region 0 \u7684\u914d\u7f6e&#xff1a; <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418221258-6802ce6a048f3.png\" alt=\"region 0 \u7684\u914d\u7f6e\" \/> region 1 \u7684\u914d\u7f6e&#xff1a; <img 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mode\u8bbe\u7f6e\u4e3a\u5141\u8bb8\u7279\u5b9a\u7684\u7a0b\u5e8f&#xff08;\u5373\u5185\u6838&#xff09;\u8bbf\u95ee\u540e\u53f0\u672a\u88abmpu\u914d\u7f6e\u7684\u5185\u5b58&#xff0c;\u5bf9\u4e8estm32\u6765\u8bf4\u53ea\u8981\u662f\u4f60\u5b58\u5728\u7247\u5185\u7684\u7a0b\u5e8f\u90fd\u53ef\u4ee5\u8bbf\u95ee&#xff0c;\u5e76\u4e14\u5728\u51fa\u73b0\u6545\u969c\u65f6\u7981\u6b62mpu\u529f\u80fd\u3002<\/p>\n<p>\u9996\u5148\u662f\u5bf9RAM_D2\u57df\u7684\u5168\u5c40\u914d\u7f6e&#xff0c;\u6253\u5f00mpu\u8bbf\u95ee\u6743\u9650&#xff0c;\u6253\u5f00\u6307\u4ee4\u6267\u884c\u8bbf\u95ee\u6743\u9650&#xff0c;\u5173\u95ed\u5171\u4eab\u6743\u9650&#xff08;\u5bf9\u4e8e\u591a\u6838\u7cfb\u7edf\u624d\u6709\u5f71\u54cd&#xff0c;\u666e\u901astm32\u7684\u8bdd\u8fd9\u91cc\u5168\u90e8\u5173\u95ed\u5c31\u884c\u4e86\u6253\u5f00\u4e5f\u6ca1\u5f71\u54cd&#xff09;&#xff0c;\u6253\u5f00cache&#xff0c;\u5173\u95ed\u7f13\u51b2\u533a\u529f\u80fd\u3002<\/p>\n<p>\u7136\u540e\u5bf9\u4ee5\u592a\u7f51\u7684dma\u63cf\u8ff0\u7b26\u533a\u57df\u8fdb\u884c\u5355\u72ec\u914d\u7f6e&#xff0c;\u4e3a\u4ec0\u4e48\u5927\u5c0f\u662f256B&#xff0c;\u8fd9\u91cc\u5148\u653eeth\u7684\u914d\u7f6e&#xff1a; <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418221258-6802ce6a7c420.png\" alt=\"eth\" \/> \u53ef\u89c1\u4ece0x30000000\u5f00\u59cb\u5927\u5c0f\u4e3a256b\u7684ram\u7a7a\u95f4\u4e3a\u4ee5\u592a\u7f51dma\u6536\u53d1\u63cf\u8ff0\u7b26\u6240\u5728\u533a\u57df&#xff0c;\u4e3a\u4e86\u6570\u636e\u4e00\u81f4\u6027&#xff0c;\u5173\u95ed\u8be5\u533a\u57df\u7684cache\u529f\u80fd\u3002<\/p>\n<p>\u751f\u6210\u4ee3\u7801\u540e\u5728\u7a0b\u5e8f\u4e2d\u7684\u4f53\u73b0\u4e3a&#xff1a;<\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">MPU_Config<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n  MPU_Region_InitTypeDef MPU_InitStruct <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token comment\">\/* Disables the MPU *\/<\/span><br \/>\n  <span class=\"token function\">HAL_MPU_Disable<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token comment\">\/** Initializes and configures the Region and the memory to be protected<br \/>\n  *\/<\/span><br \/>\n  MPU_InitStruct<span class=\"token punctuation\">.<\/span>Enable <span class=\"token operator\">&#061;<\/span> MPU_REGION_ENABLE<span class=\"token punctuation\">;<\/span><br \/>\n  MPU_InitStruct<span class=\"token punctuation\">.<\/span>Number <span class=\"token operator\">&#061;<\/span> MPU_REGION_NUMBER0<span class=\"token punctuation\">;<\/span><br \/>\n  MPU_InitStruct<span class=\"token punctuation\">.<\/span>BaseAddress <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0x30000000<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  MPU_InitStruct<span class=\"token punctuation\">.<\/span>Size <span class=\"token operator\">&#061;<\/span> MPU_REGION_SIZE_32KB<span class=\"token punctuation\">;<\/span><br \/>\n  MPU_InitStruct<span class=\"token punctuation\">.<\/span>SubRegionDisable <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0x0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  MPU_InitStruct<span class=\"token punctuation\">.<\/span>TypeExtField <span class=\"token operator\">&#061;<\/span> MPU_TEX_LEVEL0<span class=\"token punctuation\">;<\/span><br \/>\n  MPU_InitStruct<span class=\"token punctuation\">.<\/span>AccessPermission <span class=\"token operator\">&#061;<\/span> MPU_REGION_FULL_ACCESS<span class=\"token punctuation\">;<\/span><br \/>\n  MPU_InitStruct<span class=\"token punctuation\">.<\/span>DisableExec <span class=\"token operator\">&#061;<\/span> MPU_INSTRUCTION_ACCESS_ENABLE<span class=\"token punctuation\">;<\/span><br \/>\n  MPU_InitStruct<span class=\"token punctuation\">.<\/span>IsShareable <span class=\"token operator\">&#061;<\/span> MPU_ACCESS_NOT_SHAREABLE<span class=\"token punctuation\">;<\/span><br \/>\n  MPU_InitStruct<span class=\"token punctuation\">.<\/span>IsCacheable <span class=\"token operator\">&#061;<\/span> MPU_ACCESS_CACHEABLE<span class=\"token punctuation\">;<\/span><br \/>\n  MPU_InitStruct<span class=\"token punctuation\">.<\/span>IsBufferable <span class=\"token operator\">&#061;<\/span> MPU_ACCESS_NOT_BUFFERABLE<span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token function\">HAL_MPU_ConfigRegion<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>MPU_InitStruct<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token comment\">\/** Initializes and configures the Region and the memory to be protected<br \/>\n  *\/<\/span><br \/>\n  MPU_InitStruct<span class=\"token punctuation\">.<\/span>Number <span class=\"token operator\">&#061;<\/span> MPU_REGION_NUMBER1<span class=\"token punctuation\">;<\/span><br \/>\n  MPU_InitStruct<span class=\"token punctuation\">.<\/span>Size <span class=\"token operator\">&#061;<\/span> MPU_REGION_SIZE_256B<span class=\"token punctuation\">;<\/span><br \/>\n  MPU_InitStruct<span class=\"token punctuation\">.<\/span>IsCacheable <span class=\"token operator\">&#061;<\/span> MPU_ACCESS_NOT_CACHEABLE<span class=\"token punctuation\">;<\/span><br \/>\n  MPU_InitStruct<span class=\"token punctuation\">.<\/span>IsBufferable <span class=\"token operator\">&#061;<\/span> MPU_ACCESS_BUFFERABLE<span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token function\">HAL_MPU_ConfigRegion<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>MPU_InitStruct<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token comment\">\/* Enables the MPU *\/<\/span><br \/>\n  <span class=\"token function\">HAL_MPU_Enable<\/span><span class=\"token punctuation\">(<\/span>MPU_PRIVILEGED_DEFAULT<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token punctuation\">}<\/span><\/p>\n<p>\u53ef\u89c1REGION1\u5bf9REGION0\u7684\u524d256B\u5927\u5c0f\u7684ram\u8fdb\u884c\u4e86\u91cd\u65b0\u914d\u7f6e&#xff0c;\u8986\u76d6\u4e86REGION0\u7684\u539f\u914d\u7f6e&#xff0c;\u5176\u4ed6\u672a\u91cd\u65b0\u8d4b\u503c\u7684\u6210\u5458\u53d8\u91cf\u5219\u7ee7\u627fREGION0\u7684\u6570\u503c\u3002<\/p>\n<h3>2. \u5176\u4ed6\u91cd\u8981\u7684cubemx\u914d\u7f6e<\/h3>\n<ul>\n<li>\u4ee5\u592a\u7f51io\u53e3\u901f\u5ea6\u5fc5\u987b\u5168\u90e8\u8bbe\u4e3avery high <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418221258-6802ce6ac06ee.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/li>\n<li>\u5355\u72ec\u914d\u7f6e\u590d\u4f4d\u5f15\u811a<img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418221259-6802ce6b0f32d.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/li>\n<li>\u7cfb\u7edf\u65f6\u949f\u65f6\u57fa\u4f7f\u7528TIM6&#xff0c;\u5176\u4ed6\u4e5f\u53ef\u4ee5&#xff0c;\u7528hal\u5e93\u522b\u7528systick&#xff0c;\u65f6\u949f\u56fe\u5982\u4e0b&#xff1a;<img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418221259-6802ce6b4851f.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/li>\n<li>\u53d6\u6d88\u751f\u6210systick\u548cpend sv\u4e2d\u65ad\u5904\u7406\u51fd\u6570&#xff0c;\u56e0\u4e3a\u540e\u9762\u8981\u4f7f\u7528threadx\u6765\u63a5\u7ba1\u8fd9\u4e9b\u4e2d\u65ad\u3002<img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418221259-6802ce6bc4fc0.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> \u5230\u8fd9\u91cc\u5df2\u7ecf\u53ef\u4ee5\u70b9\u51fb\u751f\u6210\u4ee3\u7801\u4e86\u3002<\/li>\n<\/ul>\n<h2>\u4e09\u3001Threadx, NetXDuo\u79fb\u690d<\/h2>\n<p>\u8f6f\u4ef6\u5305\u53ef\u5728\u6587\u672b\u6211\u4e0a\u4f20\u5230github\u7684\u5b8c\u6574\u5de5\u7a0b\u4e2d\u83b7\u53d6\u3002\u4ee5\u4e0b\u8bb2\u89e3\u79fb\u690d\u7684\u51e0\u4e2a\u91cd\u8981\u8fc7\u7a0b\u3002<\/p>\n<li>Threadx\u6216\u8005NetXDuo\u90fd\u6709port\u6587\u4ef6\u5939&#xff0c;\u5176\u4e2d\u5206\u4e3aGNU\u548cAC5\u4e24\u4e2a\u6587\u4ef6\u5939&#xff0c;\u7528cmake\u65b9\u6848gcc\u7f16\u8bd1\u7684\u8bdd\u4fdd\u7559GNU\u6587\u4ef6\u5939&#xff0c;\u7528keil mdk\u4fdd\u7559ac5\u6587\u4ef6\u5939<img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418221300-6802ce6c16967.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/li>\n<li>threadx\u4e2dtx_initialize_low_level.S\u6587\u4ef6\u7684\u4fee\u6539&#xff1a;<\/li>\n<p>SYSTEM_CLOCK      <span class=\"token operator\">&#061;<\/span>   <span class=\"token number\">520000000<\/span><br \/>\nSYSTICK_CYCLES    <span class=\"token operator\">&#061;<\/span>   <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>SYSTEM_CLOCK <span class=\"token operator\">\/<\/span> <span class=\"token number\">1000<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>\u4fee\u6539\u4e3a\u4f60\u81ea\u5df1\u7684\u65f6\u949f\u9891\u7387<\/p>\n<h2>\u56db\u3001\u5f00\u542fThreadX\u7ebf\u7a0b&#xff0c;\u521d\u59cb\u5316NetXDuo<\/h2>\n<li>\u4f7f\u7528ThreadX\u8981\u5b9a\u4e49tx_application_define\u51fd\u6570&#xff0c;\u6211\u4eec\u5728\u8be5\u51fd\u6570\u4e2d\u5b8c\u6210NetXDuo\u7684\u521d\u59cb\u5316\u548cinit\u7ebf\u7a0b\u7684\u521b\u5efa\u3002<\/li>\n<p><span class=\"token comment\">\/\/ thread init parameters<\/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\">THREAD_INIT_STACK_SIZE<\/span><span class=\"token expression\"><span class=\"token number\">4096u<\/span><\/span><\/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\">THREAD_INIT_PRIO<\/span><span class=\"token expression\"><span class=\"token number\">28u<\/span><\/span><\/span><br \/>\nTX_THREAD thread_init_block<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token class-name\">uint64_t<\/span> thread_init_stack<span class=\"token punctuation\">[<\/span>THREAD_INIT_STACK_SIZE<span class=\"token operator\">\/<\/span><span class=\"token number\">8<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">thread_init<\/span><span class=\"token punctuation\">(<\/span>ULONG input<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ &#8212;&#8212;&#8212;netxduo parameters<\/span><br \/>\nNX_PACKET_POOL    pool_0<span class=\"token punctuation\">;<\/span><br \/>\nNX_IP             ip_0<span class=\"token punctuation\">;<\/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\">NX_PACKET_POOL_SIZE<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1536<\/span> <span class=\"token operator\">&#043;<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>NX_PACKET<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">*<\/span> <span class=\"token number\">8<\/span><span class=\"token punctuation\">)<\/span><\/span><\/span><br \/>\nULONG  packet_pool_area<span class=\"token punctuation\">[<\/span>NX_PACKET_POOL_SIZE<span class=\"token operator\">\/<\/span><span class=\"token number\">4<\/span> <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">4<\/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;.NetXPoolSection&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nULONG  arp_space_area<span class=\"token punctuation\">[<\/span><span class=\"token number\">52<\/span><span class=\"token operator\">*<\/span><span class=\"token number\">20<\/span> <span class=\"token operator\">\/<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>ULONG<span class=\"token punctuation\">)<\/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;.NetXPoolSection&#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 macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">IP_ADDR0<\/span>                        <span class=\"token expression\"><span class=\"token number\">192<\/span><\/span><\/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\">IP_ADDR1<\/span>                        <span class=\"token expression\"><span class=\"token number\">168<\/span><\/span><\/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\">IP_ADDR2<\/span>                        <span class=\"token expression\"><span class=\"token number\">0<\/span><\/span><\/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\">IP_ADDR3<\/span>                        <span class=\"token expression\"><span class=\"token number\">135<\/span><\/span><\/span><\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span>  <span class=\"token macro-name\">THREAD_NETX_IP0_PRIO0<\/span>                          <span class=\"token expression\"><span class=\"token number\">2u<\/span><\/span><\/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\">THREAD_NETX_IP0_STK_SIZE<\/span>                     <span class=\"token expression\"><span class=\"token number\">1024<\/span><span class=\"token operator\">*<\/span><span class=\"token number\">16u<\/span><\/span><\/span><br \/>\n<span class=\"token keyword\">static<\/span>   <span class=\"token class-name\">uint64_t<\/span>  thread_netx_ip0_stack<span class=\"token punctuation\">[<\/span>THREAD_NETX_IP0_STK_SIZE<span class=\"token operator\">\/<\/span><span class=\"token number\">8<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">void<\/span>  <span class=\"token function\">tx_application_define<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span> <span class=\"token operator\">*<\/span>first_unused_memory<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\nUINT nx_init_status <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token function\">HAL_ETH_DeInit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>heth<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token function\">nx_system_initialize<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nnx_init_status <span class=\"token operator\">|&#061;<\/span> <span class=\"token function\">nx_packet_pool_create<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>pool_0<span class=\"token punctuation\">,<\/span><br \/>\n<span class=\"token string\">&#034;NetX Main Packet Pool&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n<span class=\"token number\">1536<\/span><span class=\"token punctuation\">,<\/span>  <span class=\"token punctuation\">(<\/span>ULONG<span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span><span class=\"token punctuation\">)<\/span>packet_pool_area <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">15<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&amp;<\/span> <span class=\"token operator\">~<\/span><span class=\"token number\">15<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">,<\/span><br \/>\nNX_PACKET_POOL_SIZE<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nnx_init_status <span class=\"token operator\">|&#061;<\/span> <span class=\"token function\">nx_ip_create<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>ip_0<span class=\"token punctuation\">,<\/span><br \/>\n<span class=\"token string\">&#034;NetX IP0&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n<span class=\"token function\">IP_ADDRESS<\/span><span class=\"token punctuation\">(<\/span>IP_ADDR0<span class=\"token punctuation\">,<\/span> IP_ADDR1<span class=\"token punctuation\">,<\/span> IP_ADDR2<span class=\"token punctuation\">,<\/span> IP_ADDR3<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n<span class=\"token number\">0xFFFFFF00UL<\/span><span class=\"token punctuation\">,<\/span><br \/>\n<span class=\"token operator\">&amp;<\/span>pool_0<span class=\"token punctuation\">,<\/span> nx_stm32_eth_driver<span class=\"token punctuation\">,<\/span><br \/>\n<span class=\"token punctuation\">(<\/span>UCHAR<span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span>thread_netx_ip0_stack<span class=\"token punctuation\">,<\/span><br \/>\n<span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>thread_netx_ip0_stack<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\nTHREAD_NETX_IP0_PRIO0<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nnx_init_status <span class=\"token operator\">|&#061;<\/span> <span class=\"token function\">nx_arp_enable<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>ip_0<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span>arp_space_area<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>arp_space_area<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nnx_init_status <span class=\"token operator\">|&#061;<\/span> <span class=\"token function\">nx_ip_fragment_enable<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>ip_0<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nnx_init_status <span class=\"token operator\">|&#061;<\/span> <span class=\"token function\">nx_tcp_enable<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>ip_0<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nnx_init_status <span class=\"token operator\">|&#061;<\/span> <span class=\"token function\">nx_udp_enable<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>ip_0<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nnx_init_status <span class=\"token operator\">|&#061;<\/span> <span class=\"token function\">nx_icmp_enable<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>ip_0<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>ULONG gateway_ip <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">IP_ADDRESS<\/span><span class=\"token punctuation\">(<\/span>IP_ADDR0<span class=\"token punctuation\">,<\/span> IP_ADDR1<span class=\"token punctuation\">,<\/span> IP_ADDR2<span class=\"token punctuation\">,<\/span> IP_ADDR3<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\ngateway_ip <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>gateway_ip <span class=\"token operator\">&amp;<\/span> <span class=\"token number\">0xFFFFFF00<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">|<\/span> <span class=\"token number\">0x01<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token function\">nx_ip_gateway_address_set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>ip_0<span class=\"token punctuation\">,<\/span> gateway_ip<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token function\">tx_thread_create<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>thread_init_block<span class=\"token punctuation\">,<\/span><br \/>\n<span class=\"token string\">&#034;tx_init&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\nthread_init<span class=\"token punctuation\">,<\/span><br \/>\n<span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span><br \/>\n<span class=\"token operator\">&amp;<\/span>thread_init_stack<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\nTHREAD_INIT_STACK_SIZE<span class=\"token punctuation\">,<\/span><br \/>\nTHREAD_INIT_PRIO<span class=\"token punctuation\">,<\/span><br \/>\nTHREAD_INIT_PRIO<span class=\"token punctuation\">,<\/span><br \/>\nTX_NO_TIME_SLICE<span class=\"token punctuation\">,<\/span><br \/>\nTX_AUTO_START<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token punctuation\">}<\/span><\/p>\n<li>\u5728init\u7ebf\u7a0b\u4e2d\u5b8c\u6210\u5176\u4ed6\u7ebf\u7a0b\u7684\u521b\u5efa&#xff0c;\u672c\u793a\u4f8b\u4ec5\u521b\u5efa\u7528\u4e8etcp\u670d\u52a1\u5668\u7684\u7ebf\u7a0b\u3002<\/li>\n<p><span class=\"token comment\">\/\/ thread socket parameters<\/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\">THREAD_SOCKET_STACK_SIZE<\/span>    <span class=\"token expression\"><span class=\"token number\">4096u<\/span><\/span><\/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\">THREAD_SOCKET_PRIO<\/span>          <span class=\"token expression\"><span class=\"token number\">25u<\/span><\/span><\/span><br \/>\nTX_THREAD thread_socket_block<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token class-name\">uint64_t<\/span> thread_socket_stack<span class=\"token punctuation\">[<\/span>THREAD_SOCKET_STACK_SIZE<span class=\"token operator\">\/<\/span><span class=\"token number\">8<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">thread_init<\/span><span class=\"token punctuation\">(<\/span>ULONG input<span class=\"token punctuation\">)<\/span>  <span class=\"token comment\">\/\/<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token comment\">\/\/ \u521b\u5efasocket\u7ebf\u7a0b<\/span><br \/>\n<span class=\"token function\">tx_thread_create<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>thread_socket_block<span class=\"token punctuation\">,<\/span><br \/>\n<span class=\"token string\">&#034;tx_socket&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\nthread_socket_entry<span class=\"token punctuation\">,<\/span><br \/>\n<span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span><br \/>\n<span class=\"token operator\">&amp;<\/span>thread_socket_stack<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\nTHREAD_SOCKET_STACK_SIZE<span class=\"token punctuation\">,<\/span><br \/>\nTHREAD_SOCKET_PRIO<span class=\"token punctuation\">,<\/span><br \/>\nTHREAD_SOCKET_PRIO<span class=\"token punctuation\">,<\/span><br \/>\nTX_NO_TIME_SLICE<span class=\"token punctuation\">,<\/span><br \/>\nTX_AUTO_START<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token function\">sleep_ms<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">100<\/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<li>\u5728socket\u7ebf\u7a0b\u4e2dtcp\u670d\u52a1\u5668 socket&#xff0c;\u5b9e\u73b0\u5c06\u5ba2\u6237\u7aef\u53d1\u9001\u7684\u6570\u636e\u5305\u52a0\u4e0a\u65f6\u95f4\u6233\u540e\u518d\u6253\u5305\u53d1\u9001\u7684\u529f\u80fd\u3002<\/li>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">thread_socket_entry<\/span><span class=\"token punctuation\">(<\/span>ULONG thread_input<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    UINT status<span class=\"token punctuation\">;<\/span><br \/>\n    NX_PACKET <span class=\"token operator\">*<\/span>receive_packet<span class=\"token punctuation\">;<\/span><br \/>\n    ULONG bytes_read<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u521b\u5efaTCP\u670d\u52a1\u5668\u5957\u63a5\u5b57<\/span><br \/>\n    status <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">nx_tcp_socket_create<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>ip_0<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>tcp_socket<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;TCP Server Socket&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                                 NX_IP_NORMAL<span class=\"token punctuation\">,<\/span> NX_FRAGMENT_OKAY<span class=\"token punctuation\">,<\/span> NX_IP_TIME_TO_LIVE<span class=\"token punctuation\">,<\/span><br \/>\n                                 <span class=\"token number\">1024<\/span><span class=\"token punctuation\">,<\/span> NX_NULL<span class=\"token punctuation\">,<\/span> NX_NULL<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>status <span class=\"token operator\">!&#061;<\/span> NX_SUCCESS<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u7ed1\u5b9aTCP\u5957\u63a5\u5b57\u5230\u670d\u52a1\u5668\u7aef\u53e3<\/span><br \/>\n    status <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">nx_tcp_server_socket_listen<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>ip_0<span class=\"token punctuation\">,<\/span> TCP_SERVER_PORT<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>tcp_socket<span class=\"token punctuation\">,<\/span> <span class=\"token number\">5<\/span><span class=\"token punctuation\">,<\/span> NX_NULL<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>status <span class=\"token operator\">!&#061;<\/span> NX_SUCCESS<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">nx_tcp_socket_delete<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>tcp_socket<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u53d1\u9001\u521d\u59cb\u542f\u52a8\u6d88\u606f<\/span><br \/>\n    <span class=\"token function\">send_message_with_timestamp<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;TCP\u670d\u52a1\u5668\u5df2\u542f\u52a8&#xff0c;\u7b49\u5f85\u8fde\u63a5&#8230;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u7b49\u5f85\u5ba2\u6237\u7aef\u8fde\u63a5<\/span><br \/>\n    status <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">nx_tcp_server_socket_accept<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>tcp_socket<span class=\"token punctuation\">,<\/span> NX_WAIT_FOREVER<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>status <span class=\"token operator\">!&#061;<\/span> NX_SUCCESS<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">nx_tcp_server_socket_unaccept<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>tcp_socket<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">nx_tcp_server_socket_unlisten<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>ip_0<span class=\"token punctuation\">,<\/span> TCP_SERVER_PORT<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">nx_tcp_socket_delete<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>tcp_socket<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u53d1\u9001\u8fde\u63a5\u6210\u529f\u6d88\u606f<\/span><br \/>\n    <span class=\"token function\">send_message_with_timestamp<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u5ba2\u6237\u7aef\u5df2\u8fde\u63a5&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u4e3b\u5faa\u73af<\/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 comment\">\/\/ \u63a5\u6536\u6570\u636e\u5305<\/span><br \/>\n        status <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">nx_tcp_socket_receive<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>tcp_socket<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>receive_packet<span class=\"token punctuation\">,<\/span> NX_WAIT_FOREVER<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>status <span class=\"token operator\">&#061;&#061;<\/span> NX_SUCCESS<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u8bfb\u53d6\u6570\u636e\u5305\u5185\u5bb9<\/span><br \/>\n            status <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">nx_packet_data_retrieve<\/span><span class=\"token punctuation\">(<\/span>receive_packet<span class=\"token punctuation\">,<\/span> message_buffer<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>bytes_read<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>status <span class=\"token operator\">&#061;&#061;<\/span> NX_SUCCESS <span class=\"token operator\">&amp;&amp;<\/span> bytes_read <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token comment\">\/\/ \u786e\u4fdd\u5b57\u7b26\u4e32\u4ee5null\u7ed3\u5c3e<\/span><br \/>\n                message_buffer<span class=\"token punctuation\">[<\/span>bytes_read <span class=\"token operator\">&lt;<\/span> MAX_MESSAGE_SIZE <span class=\"token operator\">?<\/span> bytes_read <span class=\"token operator\">:<\/span> MAX_MESSAGE_SIZE <span class=\"token operator\">&#8211;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token char\">&#039;\\\\0&#039;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>                <span class=\"token comment\">\/\/ \u6dfb\u52a0\u65f6\u95f4\u6233\u5e76\u56de\u663e\u6536\u5230\u7684\u6d88\u606f<\/span><br \/>\n                <span class=\"token function\">send_message_with_timestamp<\/span><span class=\"token punctuation\">(<\/span>message_buffer<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u91ca\u653e\u6570\u636e\u5305<\/span><br \/>\n            <span class=\"token function\">nx_packet_release<\/span><span class=\"token punctuation\">(<\/span>receive_packet<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">else<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u68c0\u67e5\u5957\u63a5\u5b57\u72b6\u6001<\/span><br \/>\n            ULONG tcp_packets_sent<span class=\"token punctuation\">,<\/span> tcp_bytes_sent<span class=\"token punctuation\">;<\/span><br \/>\n            ULONG tcp_packets_received<span class=\"token punctuation\">,<\/span> tcp_bytes_received<span class=\"token punctuation\">;<\/span><br \/>\n            ULONG tcp_retransmit_packets<span class=\"token punctuation\">,<\/span> tcp_retransmit_bytes<span class=\"token punctuation\">;<\/span><br \/>\n            ULONG tcp_socket_state<span class=\"token punctuation\">,<\/span> tcp_transmit_queue_depth<span class=\"token punctuation\">;<\/span><br \/>\n            ULONG tcp_receive_window<span class=\"token punctuation\">,<\/span> tcp_transmit_window<span class=\"token punctuation\">;<\/span><br \/>\n            ULONG tcp_window_size<span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u83b7\u53d6\u5957\u63a5\u5b57\u4fe1\u606f<\/span><br \/>\n            <span class=\"token function\">nx_tcp_socket_info_get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>tcp_socket<span class=\"token punctuation\">,<\/span><br \/>\n                                  <span class=\"token operator\">&amp;<\/span>tcp_packets_sent<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>tcp_bytes_sent<span class=\"token punctuation\">,<\/span><br \/>\n                                  <span class=\"token operator\">&amp;<\/span>tcp_packets_received<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>tcp_bytes_received<span class=\"token punctuation\">,<\/span><br \/>\n                                  <span class=\"token operator\">&amp;<\/span>tcp_retransmit_packets<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>tcp_retransmit_bytes<span class=\"token punctuation\">,<\/span><br \/>\n                                  <span class=\"token operator\">&amp;<\/span>tcp_socket_state<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>tcp_transmit_queue_depth<span class=\"token punctuation\">,<\/span><br \/>\n                                  <span class=\"token operator\">&amp;<\/span>tcp_transmit_window<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>tcp_receive_window<span class=\"token punctuation\">,<\/span><br \/>\n                                  <span class=\"token operator\">&amp;<\/span>tcp_window_size<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u5982\u679c\u8fde\u63a5\u65ad\u5f00&#xff0c;\u91cd\u65b0\u7b49\u5f85\u8fde\u63a5<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>tcp_socket_state <span class=\"token operator\">!&#061;<\/span> NX_TCP_ESTABLISHED<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token comment\">\/\/ \u65ad\u5f00\u5f53\u524d\u8fde\u63a5<\/span><br \/>\n                <span class=\"token function\">nx_tcp_socket_disconnect<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>tcp_socket<span class=\"token punctuation\">,<\/span> NX_WAIT_FOREVER<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token function\">nx_tcp_server_socket_unaccept<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>tcp_socket<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>                <span class=\"token comment\">\/\/ \u91cd\u65b0\u7b49\u5f85\u8fde\u63a5<\/span><br \/>\n                <span class=\"token function\">send_message_with_timestamp<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u5ba2\u6237\u7aef\u65ad\u5f00\u8fde\u63a5&#xff0c;\u7b49\u5f85\u65b0\u8fde\u63a5&#8230;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                status <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">nx_tcp_server_socket_accept<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>tcp_socket<span class=\"token punctuation\">,<\/span> NX_WAIT_FOREVER<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>status <span class=\"token operator\">&#061;&#061;<\/span> NX_SUCCESS<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">{<\/span><br \/>\n                    <span class=\"token function\">send_message_with_timestamp<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u65b0\u5ba2\u6237\u7aef\u5df2\u8fde\u63a5&#034;<\/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><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>send_message_with_timestamp\u7684\u5b9e\u73b0\u5982\u4e0b&#xff1a;<\/p>\n<p>UINT <span class=\"token function\">send_message_with_timestamp<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> <span class=\"token keyword\">char<\/span><span class=\"token operator\">*<\/span> message<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    NX_PACKET <span class=\"token operator\">*<\/span>packet_ptr<span class=\"token punctuation\">;<\/span><br \/>\n    UINT status<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">char<\/span> timestamp_message<span class=\"token punctuation\">[<\/span>MAX_MESSAGE_SIZE<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    ULONG current_time <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">HAL_GetTick<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u83b7\u53d6HAL\u65f6\u95f4\u6233<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u683c\u5f0f\u5316\u6d88\u606f&#xff0c;\u6dfb\u52a0\u65f6\u95f4\u6233<\/span><br \/>\n    <span class=\"token function\">snprintf<\/span><span class=\"token punctuation\">(<\/span>timestamp_message<span class=\"token punctuation\">,<\/span> MAX_MESSAGE_SIZE<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;[%lu ms] %s&#034;<\/span><span class=\"token punctuation\">,<\/span> current_time<span class=\"token punctuation\">,<\/span> message<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5206\u914d\u6570\u636e\u5305<\/span><br \/>\n    status <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">nx_packet_allocate<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>pool_0<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>packet_ptr<span class=\"token punctuation\">,<\/span> NX_TCP_PACKET<span class=\"token punctuation\">,<\/span> NX_WAIT_FOREVER<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>status <span class=\"token operator\">!&#061;<\/span> NX_SUCCESS<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> status<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5c06\u6d88\u606f\u9644\u52a0\u5230\u6570\u636e\u5305<\/span><br \/>\n    status <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">nx_packet_data_append<\/span><span class=\"token punctuation\">(<\/span>packet_ptr<span class=\"token punctuation\">,<\/span><br \/>\n                                  <span class=\"token punctuation\">(<\/span>VOID <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span>timestamp_message<span class=\"token punctuation\">,<\/span><br \/>\n                                  <span class=\"token function\">strlen<\/span><span class=\"token punctuation\">(<\/span>timestamp_message<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                                  <span class=\"token operator\">&amp;<\/span>pool_0<span class=\"token punctuation\">,<\/span><br \/>\n                                  NX_WAIT_FOREVER<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>status <span class=\"token operator\">!&#061;<\/span> NX_SUCCESS<span 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