![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250419163612-6803d0fcb3bee.png\")
<\/p>\n
1.2 \u56db\u6b21\u6325\u624b<\/h3>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u56db\u6b21\u6325\u624b\u4ee3\u8868\u7684\u662fTCP\u7684\u65ad\u5f00\u8fde\u63a5\u8fc7\u7a0b，\u5b83\u8868\u793a\u5728\u6210\u529f\u65ad\u5f00\u524d，\u670d\u52a1\u7aef\u548c\u5ba2\u6237\u7aef\u9700\u8981\u901a\u4fe1\u56db\u6b21\u624d\u80fd\u6700\u7ec8\u786e\u8ba4\u3002<\/p>\n
- \n
- \u7b2c\u4e00\u6b21\u6325\u624b：\u5ba2\u6237\u7aef\u53d1\u9001\u4e00\u4e2aFIN=M，\u7528\u6765\u5173\u95ed\u5ba2\u6237\u7aef\u5230\u670d\u52a1\u5668\u7aef\u7684\u6570\u636e\u4f20\u9001，\u5ba2\u6237\u7aef\u8fdb\u5165FIN_WAIT_1\u72b6\u6001，\u8868\u793a\u5ba2\u6237\u7aef\u6ca1\u6709\u6570\u636e\u9700\u8981\u53d1\u9001\u4e86；\u4f46\u662f\u5982\u679c\u670d\u52a1\u5668\u7aef\u8fd8\u6709\u6570\u636e\u6ca1\u6709\u53d1\u9001\u5b8c\u6210，\u5219\u53ef\u4ee5\u7ee7\u7eed\u53d1\u9001\u6570\u636e；<\/li>\n
- \u7b2c\u4e8c\u6b21\u6325\u624b：\u670d\u52a1\u5668\u7aef\u6536\u5230FIN\u540e，\u5148\u53d1\u9001ack=M+1，\u544a\u8bc9\u5ba2\u6237\u7aef\u8bf7\u6c42\u6536\u5230\u4e86，\u4f46\u662f\u6211\u8fd8\u6ca1\u51c6\u5907\u597d，\u8981\u7ee7\u7eed\u7b49\u5f85\u6211\u7684\u6d88\u606f；\u8fd9\u4e2a\u65f6\u5019\u5ba2\u6237\u7aef\u5c31\u8fdb\u5165FIN_WAIT_2 \u72b6\u6001，\u7ee7\u7eed\u7b49\u5f85\u670d\u52a1\u5668\u7aef\u7684FIN\u62a5\u6587；<\/li>\n
- \u7b2c\u4e09\u6b21\u6325\u624b：\u5f53\u670d\u52a1\u5668\u7aef\u786e\u5b9a\u6570\u636e\u5df2\u53d1\u9001\u5b8c\u6210，\u5219\u5411\u5ba2\u6237\u7aef\u53d1\u9001FIN=N\u62a5\u6587，\u544a\u8bc9\u5ba2\u6237\u7aef\u6570\u636e\u53d1\u5b8c\u4e86，\u51c6\u5907\u5173\u95ed\u8fde\u63a5；\u670d\u52a1\u5668\u7aef\u8fdb\u5165LAST_ACK\u72b6\u6001；<\/li>\n
- \u7b2c\u56db\u6b21\u6325\u624b：\u5ba2\u6237\u7aef\u6536\u5230FIN=N\u62a5\u6587\u540e，\u5c31\u77e5\u9053\u53ef\u4ee5\u5173\u95ed\u8fde\u63a5\u4e86，\u4f46\u662f\u4ed6\u8fd8\u662f\u4e0d\u76f8\u4fe1\u7f51\u7edc，\u6015\u670d\u52a1\u5668\u7aef\u4e0d\u77e5\u9053\u8981\u5173\u95ed，\u6240\u4ee5\u53d1\u9001ack=N+1\u540e\u4f1a\u8fdb\u5165TIME_WAIT\u72b6\u6001，\u5982\u679c\u670d\u52a1\u7aef\u6ca1\u6709\u6536\u5230ACK\u5219\u53ef\u4ee5\u91cd\u4f20\u3002\u670d\u52a1\u5668\u7aef\u6536\u5230ACK\u540e，\u5c31\u77e5\u9053\u53ef\u4ee5\u65ad\u5f00\u8fde\u63a5\u4e86\u3002\u5982\u679c\u5ba2\u6237\u7aef\u7b49\u5f85\u4e862MSL\u540e\u4f9d\u7136\u6ca1\u6709\u6536\u5230\u56de\u590d，\u5219\u8bc1\u660e\u670d\u52a1\u5668\u7aef\u5df2\u6b63\u5e38\u5173\u95ed，\u90a3\u5ba2\u6237\u7aef\u4e5f\u53ef\u4ee5\u5173\u95ed\u8fde\u63a5\u4e86\u3002<\/li>\n<\/ul>\n
![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250419163612-6803d0fcdf646.png\")
\u00a0<\/p>\n1.3 \u62e5\u585e\u63a7\u5236<\/h3>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u7f51\u7edc\u5c31\u50cf\u6211\u4eec\u751f\u6d3b\u4e2d\u7684\u4ea4\u901a\u7cfb\u7edf，\u5f53\u8f66\u6d41\u5927\u7684\u65f6\u5019\u5c31\u53ef\u80fd\u4f1a\u5bfc\u81f4\u62e5\u585e，TCP\u4e3a\u4e86\u4fdd\u8bc1\u53ef\u9760\u7684\u4ea4\u4ed8\u670d\u52a1，\u6240\u4ee5\u5f15\u5165\u4e86\u62e5\u585e\u63a7\u5236，\u7075\u6d3b\u8c03\u6574\u53d1\u9001\u7b56\u7565\u3002<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u62e5\u585e\u63a7\u5236\u662f\u4e00\u4e2a\u52a8\u6001\u7684\u8fc7\u7a0b，\u5b83\u65e2\u8981\u63d0\u9ad8\u5e26\u5bbd\u5229\u7528\u7387\u53d1\u9001\u5c3d\u91cf\u591a\u7684\u6570\u636e\u53c8\u8981\u907f\u514d\u7f51\u7edc\u62e5\u5835\u4e22\u5305RTT\u589e\u5927\u7b49\u95ee\u9898，\u57fa\u4e8e\u8fd9\u79cd\u9ad8\u8981\u6c42\u5e76\u4e0d\u662f\u5355\u4e00\u7b56\u7565\u53ef\u4ee5\u641e\u5b9a\u7684，\u56e0\u6b64TCP\u7684\u62e5\u585e\u63a7\u5236\u7b56\u7565\u5b9e\u9645\u4e0a\u662f\u5206\u9636\u6bb5\u5206\u7b56\u7565\u7684\u7efc\u5408\u8fc7\u7a0b，\u5305\u62ec\u6162\u5f00\u59cb(slow start)\u3001\u62e5\u585e\u907f\u514d(congestion avoidance)\u3001\u5feb\u91cd\u4f20(fast retransmit)\u548c\u5feb\u6062\u590d(fast recovery)\u3002<\/p>\n
1. \u6162\u5f00\u59cb<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u6162\u5f00\u59cb\u7b97\u6cd5\u7684\u601d\u8def\u4e3a，\u5728\u6570\u636e\u5f00\u59cb\u53d1\u9001\u65f6，\u7531\u4e8e\u4e0d\u6e05\u695a\u7f51\u7edc\u7684\u8d1f\u8377\u60c5\u51b5，\u5982\u679c\u6b64\u65f6\u7acb\u5373\u628a\u5927\u91cf\u6570\u636e\u53d1\u9001\u5230\u7f51\u7edc，\u90a3\u4e48\u5c31\u6709\u53ef\u80fd\u5f15\u8d77\u7f51\u7edc\u62e5\u585e\u3002\u6839\u636e\u751f\u6d3b\u4e2d\u7684\u7ecf\u9a8c\u8fdb\u884c\u5f15\u4f38，\u8f83\u597d\u7684\u65b9\u6cd5\u662f\u7531\u5c0f\u5927\u5230\u9010\u6e10\u589e\u5927\u53d1\u9001\u7a97\u53e3，\u4e00\u6b65\u6b65\u63a2\u6d4b\u7f51\u7edc\u94fe\u8def\u7684\u6781\u9650；\u4e5f\u5c31\u662f\u8bf4，\u7531\u5c0f\u5230\u5927\u9010\u6e10\u589e\u5927\u62e5\u585e\u7a97\u53e3\u6570\u503c（cwnd），\u4e0b\u9762\u662f\u5176\u7b80\u8981\u5de5\u4f5c\u6d41\u7a0b\u56fe\u3002<\/p>\n
![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250419163613-6803d0fd16684.png\")
<\/p>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u7531\u4e0a\u56fe\u53ef\u89c1，\u4e00\u5f00\u59cb\u53d1\u9001\u65b9\u7684\u521d\u59cbcwnd \u4e3a1，\u53d1\u9001\u65b9\u53d1\u9001\u7b2c\u4e00\u4e2a\u62a5\u6587\u6bb5M1，\u5e76\u6536\u5230\u63a5\u6536\u65b9\u7684\u786e\u8ba4\u3002\u6b64\u65f6，\u53d1\u9001\u65b9\u5c06cwnd\u4ece1\u589e\u5927\u52302，\u63a5\u7740\u53d1\u9001M2\u548cM3\u4e24\u4e2a\u62a5\u6587\u6bb5，\u6536\u5230\u4e24\u4e2a\u62a5\u6587\u7684\u786e\u8ba4\u540e，\u53d1\u9001\u65b9\u7ee7\u7eed\u5c06cwnd\u52a0\u500d，\u589e\u52a0\u52304\u3002\u53ea\u8981\u7f51\u7edc\u4ecd\u7136\u901a\u7545，\u90a3\u4e48\u53d1\u9001\u65b9\u5c31\u4f1a\u4ee5\u6b64\u7c7b\u63a8，\u5728\u6bcf\u4e00\u8f6e\u7684\u4f20\u8f93\u6210\u529f\u540e\u5c06cwnd\u8fdb\u884c\u52a0\u500d\u7684\u64cd\u4f5c\u3002<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u663e\u7136，cwnd\u4e0d\u80fd\u65e0\u9650\u5236\u5730\u52a0\u500d，\u8fd9\u6837\u4f1a\u5f15\u8d77\u7f51\u7edc\u62e5\u585e，\u56e0\u6b64\u9700\u8981\u8bbe\u7f6e\u4e00\u4e2a\u6162\u5f00\u59cb\u95e8\u9650（ssthresh）\u72b6\u6001\u53d8\u91cf\u3002\u5f53cwnd ＜ ssthresh\u65f6，\u624d\u4f1a\u4f7f\u7528\u4e0a\u8ff0\u7684\u6162\u5f00\u59cb\u7b97\u6cd5\u3002<\/p>\n
2. \u62e5\u585e\u907f\u514d<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u5f53cwnd\u00a0＞\u00a0ssthresh\u65f6，\u7cfb\u7edf\u4f1a\u4f7f\u7528\u62e5\u585e\u907f\u514d\u7b97\u6cd5，\u8be5\u7b97\u6cd5\u7684\u601d\u8def\u662f\u8ba9\u62e5\u585e\u7a97\u53e3（cwnd）\u7f13\u6162\u5730\u589e\u957f，\u5373\u6bcf\u5b8c\u6210\u4e00\u8f6e\u4f20\u8f93\u5c31\u628a\u53d1\u9001\u65b9\u7684\u62e5\u585e\u7a97\u53e3（cwnd）\u52a01，\u800c\u4e0d\u662f\u50cf\u6162\u5f00\u59cb\u9636\u6bb5\u90a3\u6837\u52a0\u500d\u589e\u957f\u3002\u56e0\u6b64\u5728\u62e5\u585e\u907f\u514d\u9636\u6bb5\u5c31\u6709\u201c\u52a0\u6cd5\u589e\u5927\u201d(Additive Increase)\u7684\u7279\u70b9\u3002\u8fd9\u8868\u660e\u5728\u62e5\u585e\u907f\u514d\u9636\u6bb5，\u62e5\u585e\u7a97\u53e3（cwnd）\u6309\u7ebf\u6027\u89c4\u5f8b\u7f13\u6162\u589e\u957f，\u6bd4\u6162\u5f00\u59cb\u7b97\u6cd5\u7684\u62e5\u585e\u7a97\u53e3\u589e\u957f\u901f\u7387\u7f13\u6162\u5f97\u591a\u3002\u4e0b\u56fe\u5c55\u793a\u4e86\u62e5\u585e\u63a7\u5236\u7684\u5de5\u4f5c\u6d41\u7a0b\u3002<\/p>\n
![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250419163613-6803d0fd59dd1.png\")
<\/p>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u5728\u4e0a\u56fe\u4e2d，\u6162\u5f00\u59cb\u95e8\u9650\u7684\u521d\u59cb\u503c\u4e3a16\u3002\u4e00\u5f00\u59cb\u7cfb\u7edf\u6267\u884c\u6162\u5f00\u59cb\u7b97\u6cd5，\u53d1\u9001\u65b9\u6bcf\u6210\u529f\u53d1\u9001\u4e00\u8f6e\u62a5\u6587\u6bb5，\u5c31\u628a\u62e5\u585e\u7a97\u53e3\u503c\u52a0\u500d，\u7136\u540e\u5f00\u59cb\u4e0b\u4e00\u8f6e\u7684\u4f20\u8f93\u3002\u56e0\u6b64\u62e5\u585e\u7a97\u53e3cwnd\u968f\u7740\u4f20\u8f93\u8f6e\u6b21\u6309\u6307\u6570\u89c4\u5f8b\u589e\u957f\u3002\u5f53\u62e5\u585e\u7a97\u53e3cwnd\u589e\u957f\u5230\u6162\u5f00\u59cb\u95e8\u9650\u503cssthresh\u00a0\u65f6，\u5c31\u5f00\u59cb\u6539\u4e3a\u6267\u884c\u62e5\u585e\u907f\u514d\u7b97\u6cd5，\u62e5\u585e\u7a97\u53e3\u6309\u7ebf\u6027\u89c4\u5f8b\u589e\u957f\u3002<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u5f53\u8fdb\u884c\u5230\u7b2c12\u8f6e\u4f20\u8f93\u65f6（\u4e0a\u56fe\u8282\u70b92），\u7f51\u7edc\u51fa\u73b0\u4e86\u8d85\u65f6，\u53d1\u9001\u65b9\u5224\u65ad\u4e3a\u7f51\u7edc\u62e5\u585e\u3002\u4e8e\u662f\u8c03\u6574\u95e8\u9650\u503cssthresh = cwnd \/ 2 = 12，\u540c\u65f6\u8bbe\u7f6e\u62e5\u585e\u7a97\u53e3cwnd =\u00a01，\u91cd\u65b0\u8fdb\u5165\u6162\u5f00\u59cb\u9636\u6bb5\u3002<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u4e0a\u56fe\u8282\u70b93\u5c55\u793a\u4e86\u4e00\u4e2a\u7279\u6b8a\u60c5\u51b5，\u6b64\u65f6\u62e5\u585e\u7a97\u53e3cwnd = 16，\u8fd9\u65f6\u51fa\u73b0\u4e86\u53d1\u9001\u65b9\u4e00\u8fde\u6536\u52303\u4e2a\u5bf9\u540c\u4e00\u62a5\u6587\u6bb5\u7684\u91cd\u590d\u786e\u8ba4\u7684\u60c5\u51b5，\u6b64\u65f6\u6267\u884c\u4e86\u62e5\u585e\u907f\u514d\u7b97\u6cd5，\u8c03\u6574\u95e8\u9650\u503cssthresh\u00a0= cwnd \/ 2 = 8\u3002\u8fd9\u662f\u56e0\u4e3a\u5982\u679c\u53d1\u9001\u65b9\u8fdf\u8fdf\u6536\u4e0d\u5230\u786e\u8ba4，\u5c31\u4f1a\u4ea7\u751f\u8d85\u65f6，\u4f1a\u8bef\u8ba4\u4e3a\u7f51\u7edc\u53d1\u751f\u4e86\u62e5\u585e\u3002\u8fd9\u5c31\u5bfc\u81f4\u53d1\u9001\u65b9\u9519\u8bef\u5730\u542f\u52a8\u6162\u5f00\u59cb，\u628a\u62e5\u585e\u7a97\u53e3cwnd\u53c8\u7f6e\u4e3a1，\u56e0\u800c\u964d\u4f4e\u4e86\u4f20\u8f93\u6548\u7387\u3002<\/p>\n
3. \u5feb\u91cd\u4f20<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0TCP\u4f5c\u4e3a\u4e00\u4e2a\u53ef\u9760\u7684\u534f\u8bae\u9762\u4e34\u7684\u5f88\u5927\u7684\u95ee\u9898\u5c31\u662f\u4e22\u5305，\u4e22\u5305\u5c31\u8981\u91cd\u4f20\u56e0\u6b64\u53d1\u9001\u65b9\u9700\u8981\u6839\u636e\u63a5\u6536\u65b9\u56de\u590d\u7684ACK\u6765\u786e\u8ba4\u662f\u5426\u4e22\u5305\u4e86，\u4e0b\u56fe\u4e3a\u8d85\u65f6\u91cd\u4f20\u7684\u5178\u578b\u65f6\u5e8f\u56fe\u3002<\/p>\n
![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250419163613-6803d0fd8d142.png\")
<\/p>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u91cd\u4f20\u8d85\u65f6\u65f6\u95f4（RTO）\u662f\u968f\u7740\u590d\u6742\u7f51\u7edc\u73af\u5883\u800c\u52a8\u6001\u53d8\u5316\u7684，\u5728\u62e5\u585e\u63a7\u5236\u4e2d\u53d1\u751f\u8d85\u65f6\u91cd\u4f20\u5c06\u4f1a\u6781\u5927\u62c9\u4f4ecwnd，\u5982\u679c\u7f51\u7edc\u72b6\u51b5\u5e76\u6ca1\u6709\u90a3\u4e48\u591a\u7cdf\u7cd5，\u5076\u5c14\u51fa\u73b0\u7f51\u7edc\u6296\u52a8\u9020\u6210\u4e22\u5305\u6216\u8005\u963b\u585e\u4e5f\u975e\u5e38\u5e38\u89c1，\u56e0\u6b64\u89e6\u53d1\u7684\u6162\u542f\u52a8\u5c06\u964d\u4f4e\u901a\u4fe1\u6027\u80fd，\u6545\u51fa\u73b0\u4e86\u5feb\u901f\u91cd\u4f20\u673a\u5236\u3002\u6240\u8c13\u5feb\u901f\u91cd\u4f20\u65f6\u76f8\u6bd4\u8d85\u65f6\u91cd\u4f20\u800c\u8a00\u7684，\u91cd\u53d1\u7b49\u5f85\u65f6\u95f4\u4f1a\u964d\u4f4e\u5e76\u4e14\u540e\u7eed\u5c3d\u91cf\u907f\u514d\u6162\u542f\u52a8，\u6765\u4fdd\u8bc1\u6027\u80fd\u635f\u5931\u5728\u6700\u5c0f\u7684\u7a0b\u5ea6，\u4e0b\u56fe\u4e3a\u5176\u65f6\u5e8f\u56fe\u3002<\/p>\n
![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250419163613-6803d0fdbd609.png\")
<\/p>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u5feb\u901f\u91cd\u4f20\u548c\u8d85\u65f6\u91cd\u4f20\u7684\u533a\u522b\u5728\u4e8ecwnd\u5728\u53d1\u751f\u62e5\u585e\u65f6\u7684\u53d6\u503c，\u8d85\u65f6\u91cd\u4f20\u4f1a\u5c06cwnd\u4fee\u6539\u4e3a\u6700\u521d\u7684\u503c，\u4e5f\u5c31\u662f\u6162\u542f\u52a8\u7684\u503c，\u5feb\u901f\u91cd\u4f20\u5c06cwnd\u51cf\u534a，\u4e8c\u8005\u90fd\u5c06ssthresh\u8bbe\u7f6e\u4e3acwnd\u7684\u4e00\u534a\u3002\u4ece\u4e8c\u8005\u7684\u533a\u522b\u53ef\u4ee5\u770b\u5230，\u5feb\u901f\u91cd\u4f20\u66f4\u52a0\u4e3b\u52a8，\u6709\u5229\u4e8e\u4fdd\u8bc1\u94fe\u8def\u7684\u4f20\u8f93\u6027\u80fd\u3002<\/p>\n
4. \u5feb\u6062\u590d<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u5728\u5feb\u901f\u91cd\u4f20\u4e4b\u540e\u5c31\u4f1a\u8fdb\u5165\u5feb\u901f\u6062\u590d\u9636\u6bb5，\u6b64\u65f6\u7684cwnd\u4e3a\u4e0a\u6b21\u53d1\u751f\u62e5\u585e\u65f6\u7684cwnd\u76841\/2，\u4e4b\u540ecwnd\u518d\u7ebf\u6027\u589e\u52a0\u91cd\u590d\u4e4b\u524d\u7684\u8fc7\u7a0b\u3002<\/p>\n
2. lwIP<\/h2>\n
\u00a0 \u00a0 \u00a0 \u00a0 ESP-IDF\u4f7f\u7528lwIP\u5e93\u5b9e\u73b0TCP\/IP\u534f\u8bae\u6808，\u8fd9\u4e2a\u5e93\u5728\u5927\u591a\u6570\u5d4c\u5165\u5f0f\u7cfb\u7edf\u4e2d\u90fd\u6709\u7528\u5230，\u5b83\u662f\u5bf9\u5e95\u5c42\u786c\u4ef6\u7684\u4e0a\u5c42\u5c01\u88c5，\u6240\u4ee5\u5982\u679c\u672a\u6765\u8981\u5199\u6bd4\u5982Linux\u7684TCP\/IP\u5e94\u7528，\u4ee3\u7801\u4e5f\u662f\u901a\u7528\u7684\u3002<\/p>\n
3. \u4f8b\u7a0b<\/h2>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u4f8b\u7a0b\u5206\u522b\u5728ESP32\u4e0a\u5b9e\u73b0TCP\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u7aef，\u4f7f\u7528\u7535\u8111\u4f5c\u4e3a\u53e6\u4e00\u65b9\u8fdb\u884c\u7b80\u5355\u901a\u4fe1\u6d4b\u8bd5\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f，\u6d4b\u8bd5\u65f6，ESP32\u548c\u7535\u8111\u5fc5\u987b\u5904\u4e8e\u540c\u4e00\u5c40\u57df\u7f51<\/span>\u3002<\/p>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u7535\u8111\u7aef\u6d4b\u8bd5\u4f1a\u4f7f\u7528\u7684\u4e0a\u4f4d\u673a\u4e3a\u91ce\u706b\u4e32\u53e3\u8c03\u8bd5\u52a9\u624b，\u4e0b\u8f7d\u5730\u5740：FireTools<\/p>\n
3.1 \u5ba2\u6237\u7aef<\/h3>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u8fd9\u4e2a\u4f8b\u7a0b\u914d\u7f6eESP32\u4e3a\u5ba2\u6237\u7aef，\u5f53\u8fde\u63a5WiFi\u70ed\u70b9\u6210\u529f\u540e\u4f1a\u8bf7\u6c42\u8fde\u63a5\u670d\u52a1\u7aef，\u8fde\u63a5\u6210\u529f\u540e\u4f1a\u53d1\u9001\u4e00\u6bb5\u6d88\u606f，\u7136\u540e\u963b\u585e\u7b49\u5f85\u670d\u52a1\u7aef\u56de\u590d，\u670d\u52a1\u7aef\u6062\u590d\u6d88\u606f\u540eESP32\u4f1a\u4e3b\u52a8\u5173\u95ed\u5957\u63a5\u5b57\u3002<\/p>\n
#include "freertos\/FreeRTOS.h"
\n#include "freertos\/queue.h"
\n#include "freertos\/semphr.h"
\n#include "esp_system.h"
\n#include "esp_wifi.h"
\n#include "esp_event.h"
\n#include "esp_log.h"
\n#include "esp_mac.h"
\n#include "nvs_flash.h"
\n#include "sys\/socket.h"
\n#include "lwip\/err.h"
\n#include "lwip\/sys.h"
\n#include "netdb.h"
\n#include "arpa\/inet.h"<\/p>\n#include <string.h><\/p>\n
#define TAG "app"
\n#define HOST_IP_ADDR "192.168.10.117"
\n#define HOST_PORT 20001<\/p>\nstatic char rx_buffer[128];
\nstatic const char *payload = "Message from ESP32";
\nstatic TaskHandle_t client_task_handle;<\/p>\nstatic void tcp_client_task(void *args)
\n{
\n struct sockaddr_in dest_addr;
\n inet_pton(AF_INET, HOST_IP_ADDR, &dest_addr.sin_addr);
\n dest_addr.sin_family = AF_INET;
\n dest_addr.sin_port = htons(HOST_PORT);<\/p>\nwhile (1) {
\n int sock = socket(AF_INET, SOCK_STREAM, IPPROTO_IP);
\n if (sock < 0) {
\n ESP_LOGE(TAG, "Unable to create socket: errno %d", errno);
\n break;
\n }
\n ESP_LOGI(TAG, "Socket created, connecting to %s:%d", HOST_IP_ADDR, HOST_PORT);<\/p>\nint err = connect(sock, (struct sockaddr *)&dest_addr, sizeof(dest_addr));
\n if (err != 0) {
\n ESP_LOGE(TAG, "Socket unable to connect: errno %d", errno);
\n break;
\n }
\n ESP_LOGI(TAG, "Successfully connected");<\/p>\nerr = send(sock, payload, strlen(payload), 0);
\n if (err < 0) {
\n ESP_LOGE(TAG, "Error occurred during sending: errno %d", errno);
\n break;
\n }<\/p>\nmemset(rx_buffer, 0, sizeof(rx_buffer));
\n int len = recv(sock, rx_buffer, sizeof(rx_buffer) – 1, 0);
\n if (len < 0) {
\n ESP_LOGE(TAG, "recv failed: errno %d", errno);
\n } else {
\n ESP_LOGI(TAG, "Received %d bytes from %s:", len, HOST_IP_ADDR);
\n ESP_LOGI(TAG, "data: %s", rx_buffer);
\n }<\/p>\nclose(sock);<\/p>\n
vTaskDelay(1000 \/ portTICK_PERIOD_MS);
\n }
\n}<\/p>\nstatic void wifi_event_handler(void* arg,
\n esp_event_base_t event_base,
\n int32_t event_id,
\n void* event_data)
\n{
\n if (event_base == IP_EVENT) {
\n if (event_id == IP_EVENT_STA_GOT_IP) {
\n xTaskCreate(tcp_client_task, "tcp_client", 2048, NULL, 5, &client_task_handle);
\n }
\n } else if (event_base == WIFI_EVENT) {
\n if (event_id == WIFI_EVENT_STA_DISCONNECTED) {
\n vTaskDelete(client_task_handle);
\n } else if (event_id == WIFI_EVENT_STA_START) {
\n esp_wifi_connect();
\n }
\n }
\n}<\/p>\nint app_main()
\n{
\n \/* \u521d\u59cb\u5316NVS *\/
\n esp_err_t ret = nvs_flash_init();
\n if (ret == ESP_ERR_NVS_NO_FREE_PAGES || ret == ESP_ERR_NVS_NEW_VERSION_FOUND) {
\n ESP_ERROR_CHECK(nvs_flash_erase());
\n ESP_ERROR_CHECK(nvs_flash_init());
\n }<\/p>\n\/* \u521d\u59cb\u5316WiFi\u534f\u8bae\u6808 *\/
\n ESP_ERROR_CHECK(esp_netif_init());
\n ESP_ERROR_CHECK(esp_event_loop_create_default());
\n esp_netif_create_default_wifi_sta();<\/p>\nwifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
\n ESP_ERROR_CHECK(esp_wifi_init(&cfg));<\/p>\nESP_ERROR_CHECK(esp_event_handler_instance_register(WIFI_EVENT,
\n ESP_EVENT_ANY_ID,
\n &wifi_event_handler,
\n NULL,
\n NULL));<\/p>\nESP_ERROR_CHECK(esp_event_handler_instance_register(IP_EVENT,
\n ESP_EVENT_ANY_ID,
\n &wifi_event_handler,
\n NULL,
\n NULL));<\/p>\nwifi_config_t wifi_config = {
\n .sta = {
\n .ssid = "Your SSID",
\n .password = "Your password",
\n .threshold.authmode = WIFI_AUTH_WPA_WPA2_PSK,
\n },
\n };<\/p>\nESP_ERROR_CHECK(esp_wifi_set_mode(WIFI_MODE_STA));
\n ESP_ERROR_CHECK(esp_wifi_set_config(WIFI_IF_STA, &wifi_config));
\n ESP_ERROR_CHECK(esp_wifi_start());<\/p>\nreturn 0;
\n}<\/p>\n\u00a0 \u00a0 \u00a0 \u00a0 ESP32\u7684WiFi\u9a71\u52a8\u521d\u59cb\u5316\u5728\u524d\u9762\u7684\u6587\u7ae0\u5df2\u7ecf\u6709\u8be6\u7ec6\u7684\u4ecb\u7ecd\u4e86，\u8fd9\u91cc\u4e0d\u518d\u8d58\u8ff0\u3002<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u5728\u56de\u8c03\u51fd\u6570\u4e2d，\u5f53\u9a71\u52a8\u83b7\u53d6\u5230IP\u540e，\u5c31\u4f1a\u521b\u5efaTCP\u5ba2\u6237\u7aef\u7684\u4efb\u52a1\u3002<\/p>\n
1. \u521b\u5efasocket\u5957\u63a5\u5b57<\/p>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u8c03\u7528socket\u51fd\u6570\u521b\u5efa，\u7b2c\u4e00\u4e2a\u53c2\u6570\u8868\u793a\u57df，\u8fd9\u91cc\u4f7f\u7528IPv4，\u5bf9\u5e94IP_INET；\u7b2c\u4e8c\u4e2a\u53c2\u6570\u8868\u793asocket\u7c7b\u578b，TCP\u534f\u8bae\u53ea\u80fd\u586bSOCK_STREAM；\u7b2c\u4e09\u4e2a\u53c2\u6570\u8868\u793a\u534f\u8bae\u6808\u7c7b\u578b，\u8fd9\u91cc\u586bIPPROTO_IP\u3002\u51fd\u6570\u4f1a\u8fd4\u56de\u5957\u63a5\u5b57\u63cf\u8ff0\u7b26\u3002<\/p>\n
2. \u8fde\u63a5\u670d\u52a1\u5668<\/p>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u8c03\u7528connect\u51fd\u6570，\u7b2c\u4e00\u4e2a\u53c2\u6570\u4f20\u5165\u5957\u63a5\u5b57\u63cf\u8ff0\u7b26；\u6bd4\u8f83\u91cd\u8981\u7684\u662f\u7b2c\u4e8c\u4e2a\u53c2\u6570，\u8981\u4f20\u5165\u670d\u52a1\u5668\u7684\u5730\u5740\u4fe1\u606f\u3002\u7ed3\u6784\u4f53\u7684\u5b9a\u4e49\u5982\u4e0b：<\/p>\n
struct sockaddr_in {
\n u8_t sin_len;
\n sa_family_t sin_family;
\n in_port_t sin_port;
\n struct in_addr sin_addr;
\n#define SIN_ZERO_LEN 8
\n char sin_zero[SIN_ZERO_LEN];
\n};<\/p>\n- \n
- sin_len：\u6570\u636e\u957f\u5ea6（\u4e00\u822c\u4e0d\u9700\u8981\u586b）；<\/li>\n
- sin_family：\u5957\u63a5\u5b57\u7c7b\u578b，IPv4\u586bAF_INET，IPv6\u586bAF_INET6，\u5176\u4ed6\u586bAF_UNSPEC；<\/li>\n
- sin_port：\u7aef\u53e3；<\/li>\n
- sin_zero：\u4e0a\u5c42\u9884\u7559\u5b57\u8282（\u4e0d\u7528\u7ba1）\u3002<\/li>\n<\/ul>\n
3.\u00a0 \u53d1\u9001\u6570\u636e<\/p>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u8c03\u7528send\u51fd\u6570\u3002\u4f20\u5165\u5957\u63a5\u5b57\u63cf\u8ff0\u7b26\u3001\u6570\u636e\u6307\u9488\u548c\u6570\u636e\u957f\u5ea6\u5373\u53ef；\u6700\u540e\u4e00\u4e2a\u53c2\u6570\u662f\u6807\u5fd7\u4f4d，\u4e00\u822c\u586b0\u5373\u53ef，\u53ef\u9009\u7684\u6807\u5fd7\u4f4d\u5982\u4e0b：<\/p>\n
#define MSG_PEEK 0x01
\n#define MSG_WAITALL 0x02
\n#define MSG_OOB 0x04
\n#define MSG_DONTWAIT 0x08
\n#define MSG_MORE 0x10
\n#define MSG_NOSIGNAL 0x20 <\/p>\n\u00a0 \u00a0 \u00a0 \u00a0 \u8fd9\u4e9b\u6807\u5fd7\u4f4d\u662f\u53d1\u9001\u548c\u63a5\u6536\u90fd\u652f\u6301\u7684，\u6bd4\u8f83\u5e38\u7528\u7684\u662fMSG_DONTWAIT，\u50cf\u53d1\u9001\u548c\u63a5\u6536\u51fd\u6570\u662f\u963b\u585e\u7684，\u4f7f\u80fd\u8fd9\u4e2a\u6807\u5fd7\u4f4d\u53ef\u4ee5\u8ba9\u51fd\u6570\u7acb\u5373\u8fd4\u56de，\u4e0d\u7b49\u5f85\u6570\u636e\u3002<\/p>\n
4. \u63a5\u6536\u6570\u636e<\/p>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u8c03\u7528recv\u51fd\u6570\u3002\u4f20\u5165\u7684\u53c2\u6570\u4e0esend\u51fd\u6570\u662f\u4e00\u81f4\u7684，\u4e0d\u518d\u8d58\u8ff0\u3002<\/p>\n
5. \u5173\u95ed\u8fde\u63a5<\/p>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u8c03\u7528close\u51fd\u6570\u3002\u4f20\u5165\u5957\u63a5\u5b57\u63cf\u8ff0\u7b26\u5373\u53ef\u3002<\/p>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u6d4b\u8bd5\u7684\u65f6\u5019\u5148\u6253\u5f00\u4e0a\u4f4d\u673a，\u8bbe\u7f6e\u4e3aTCP\u670d\u52a1\u5668，\u586b\u5199\u7535\u8111\u7684IP\u548c\u7aef\u53e3，\u7aef\u53e3\u662f\u81ea\u5b9a\u4e49\u7684，\u4f46\u6ce8\u610f\u4e0d\u8981\u4e0e\u539f\u6709\u7684\u7aef\u53e3\u51b2\u7a81<\/span>，\u5efa\u8bae\u8bbe\u7f6e20000\u4ee5\u4e0a\u6bd4\u8f83\u4fdd\u9669；\u6700\u540e\u70b9\u51fb\u5f00\u59cb\u76d1\u542c\u3002<\/p>\n
![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250419163613-6803d0fdf09c3.png\")
<\/p>\n![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250419163615-6803d0ff5a52b.png\")
<\/p>\n3.2 \u670d\u52a1\u7aef<\/h3>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u8fd9\u4e2a\u4f8b\u7a0b\u5c31\u662f\u5728ESP32\u4e0a\u642d\u5efa\u4e00\u4e2aTCP\u670d\u52a1\u5668，\u63a5\u53d7\u5c40\u57df\u7f51\u4e2d\u7684\u5ba2\u6237\u7aef\u8fde\u63a5\u5e76\u63a5\u6536\u6570\u636e\u3002<\/p>\n
#include "freertos\/FreeRTOS.h"
\n#include "freertos\/queue.h"
\n#include "freertos\/semphr.h"
\n#include "esp_system.h"
\n#include "esp_wifi.h"
\n#include "esp_event.h"
\n#include "esp_log.h"
\n#include "esp_mac.h"
\n#include "nvs_flash.h"
\n#include "sys\/socket.h"
\n#include "lwip\/err.h"
\n#include "lwip\/sys.h"
\n#include "netdb.h"
\n#include "arpa\/inet.h"<\/p>\n#include <string.h><\/p>\n
#define TAG "app"
\n#define HOST_PORT 20001<\/p>\nstatic const char *payload = "I have received your message";
\nstatic TaskHandle_t server_task_handle;<\/p>\nstatic void tcp_client_task(void *args)
\n{
\n int *sock = args;
\n int len;
\n char rx_buffer[128] = {0};<\/p>\nwhile (1) {
\n memset(rx_buffer, 0, sizeof(rx_buffer));
\n len = recv(*sock, rx_buffer, sizeof(rx_buffer) – 1, 0);
\n if (len < 0) {
\n ESP_LOGE(TAG, "Error occurred during receiving: errno %d", errno);
\n } else if (len == 0) {
\n ESP_LOGW(TAG, "Connection closed");
\n goto __exit;
\n } else {
\n ESP_LOGI(TAG, "Received %d bytes, data: %s", len, rx_buffer);
\n send(*sock, payload, strlen(payload), 0);
\n }
\n }<\/p>\n__exit:
\n close(*sock);
\n free(sock);
\n vTaskDelete(NULL);
\n}<\/p>\nstatic void tcp_server_task(void *args)
\n{
\n esp_ip4_addr_t *ip_addr = args;<\/p>\nstruct sockaddr_in dest_addr = {0};
\n dest_addr.sin_addr.s_addr = ip_addr->addr;
\n dest_addr.sin_family = AF_INET;
\n dest_addr.sin_port = htons(HOST_PORT);<\/p>\nint sock = socket(AF_INET, SOCK_STREAM, IPPROTO_IP);
\n if (sock < 0) {
\n ESP_LOGE(TAG, "Unable to create socket: errno %d", errno);
\n goto __exit;
\n }<\/p>\nint err = bind(sock, (struct sockaddr *)&dest_addr, sizeof(dest_addr));
\n if (err != 0) {
\n ESP_LOGE(TAG, "Socket unable to bind: errno %d", errno);
\n goto __exit;
\n }<\/p>\nerr = listen(sock, 1);
\n if (err != 0) {
\n ESP_LOGE(TAG, "Error occurred during listen: errno %d", errno);
\n goto __exit;
\n }<\/p>\nESP_LOGI(TAG, "Server listen at " IPSTR ":%d", IP2STR(ip_addr), HOST_PORT);<\/p>\n
while (1) {
\n struct sockaddr_in source_addr = {0};
\n socklen_t addr_len = sizeof(struct sockaddr_in);
\n int *client = malloc(sizeof(int));
\n *client = accept(sock, (struct sockaddr *)&source_addr, &addr_len);
\n if (*client < 0) {
\n ESP_LOGE(TAG, "Unable to accept connection: errno %d", errno);
\n } else {
\n ESP_LOGI(TAG, "Client " IPSTR ":%d connected", IP2STR((struct esp_ip4_addr *)&source_addr.sin_addr), source_addr.sin_port);
\n xTaskCreate(tcp_client_task, "client_task", 2048, client, 6, NULL);
\n }
\n }<\/p>\n__exit:
\n close(sock);
\n free(ip_addr);
\n vTaskDelete(NULL);
\n}<\/p>\nstatic void wifi_event_handler(void* arg,
\n esp_event_base_t event_base,
\n int32_t event_id,
\n void* event_data)
\n{
\n if (event_base == IP_EVENT) {
\n if (event_id == IP_EVENT_STA_GOT_IP) {
\n ip_event_got_ip_t *data = event_data;
\n esp_ip4_addr_t *ip_addr = malloc(sizeof(esp_ip4_addr_t));
\n memcpy(ip_addr, &data->ip_info.ip, sizeof(esp_ip4_addr_t));
\n xTaskCreate(tcp_server_task, "tcp_server", 2048, ip_addr, 5, &server_task_handle);
\n }
\n } else if (event_base == WIFI_EVENT) {
\n if (event_id == WIFI_EVENT_STA_DISCONNECTED) {
\n vTaskDelete(server_task_handle);
\n } else if (event_id == WIFI_EVENT_STA_START) {
\n esp_wifi_connect();
\n }
\n }
\n}<\/p>\nint app_main()
\n{
\n \/* \u521d\u59cb\u5316NVS *\/
\n esp_err_t ret = nvs_flash_init();
\n if (ret == ESP_ERR_NVS_NO_FREE_PAGES || ret == ESP_ERR_NVS_NEW_VERSION_FOUND) {
\n ESP_ERROR_CHECK(nvs_flash_erase());
\n ESP_ERROR_CHECK(nvs_flash_init());
\n }<\/p>\n\/* \u521d\u59cb\u5316WiFi\u534f\u8bae\u6808 *\/
\n ESP_ERROR_CHECK(esp_netif_init());
\n ESP_ERROR_CHECK(esp_event_loop_create_default());
\n esp_netif_create_default_wifi_sta();<\/p>\nwifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
\n ESP_ERROR_CHECK(esp_wifi_init(&cfg));<\/p>\nESP_ERROR_CHECK(esp_event_handler_instance_register(WIFI_EVENT,
\n ESP_EVENT_ANY_ID,
\n &wifi_event_handler,
\n NULL,
\n NULL));<\/p>\nESP_ERROR_CHECK(esp_event_handler_instance_register(IP_EVENT,
\n ESP_EVENT_ANY_ID,
\n &wifi_event_handler,
\n NULL,
\n NULL));<\/p>\nwifi_config_t wifi_config = {
\n .sta = {
\n .ssid = "Your SSID",
\n .password = "Your password",
\n .threshold.authmode = WIFI_AUTH_WPA_WPA2_PSK,
\n },
\n };<\/p>\nESP_ERROR_CHECK(esp_wifi_set_mode(WIFI_MODE_STA));
\n ESP_ERROR_CHECK(esp_wifi_set_config(WIFI_IF_STA, &wifi_config));
\n ESP_ERROR_CHECK(esp_wifi_start());<\/p>\nreturn 0;
\n}<\/p>\n\u00a0 \u00a0 \u00a0 \u00a0 \u670d\u52a1\u5668\u7684\u4ee3\u7801\u4e0e\u5ba2\u6237\u7aef\u662f\u6709\u4e00\u90e8\u5206\u91cd\u5408\u7684，\u6240\u4ee5\u4e0b\u9762\u53ea\u91cd\u70b9\u4ecb\u7ecd\u4e0d\u540c\u7684\u5730\u65b9\u3002<\/p>\n
1. \u521b\u5efa\u5957\u63a5\u5b57<\/p>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u53c2\u8003\u4e0a\u9762\u3002<\/p>\n
2. \u7ed1\u5b9aIP\u4e0e\u7aef\u53e3<\/p>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u8c03\u7528bind\u51fd\u6570\u3002\u4f20\u5165\u7684\u53c2\u6570\u5176\u5b9e\u8ddfconnect\u51fd\u6570\u662f\u4e00\u6837\u7684；\u4f46\u662f\u8fd9\u91cc\u7684IP\u5730\u5740\u662f\u81ea\u5df1\u7684IP\u5730\u5740，\u7aef\u53e3\u7684\u8bdd\u5c31\u662f\u81ea\u5b9a\u4e49\u7684\u3002<\/p>\n
3. \u76d1\u542c\u7aef\u53e3<\/p>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u8c03\u7528listen\u51fd\u6570\u3002\u7b2c\u4e00\u4e2a\u53c2\u6570\u4f20\u5165\u5957\u63a5\u5b57\u63cf\u8ff0\u7b26，\u7b2c\u4e8c\u4e2a\u53c2\u6570\u7528\u6765\u4f7f\u80fdlog\u8bb0\u5f55\u3002<\/p>\n
4. \u63a5\u53d7\u5ba2\u6237\u7aef\u8fde\u63a5<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u8c03\u7528accept\u51fd\u6570\u3002\u4f20\u5165\u5957\u63a5\u5b57\u63cf\u8ff0\u7b26\u3001IP\u5730\u5740\u7ed3\u6784\u4f53\u548c\u7ed3\u6784\u4f53\u7684\u957f\u5ea6\u3002\u8fd9\u4e2a\u7ed3\u6784\u4f53\u662f\u7528\u6765\u63a5\u6536\u5ba2\u6237\u7aef\u7684IP\u4fe1\u606f\u7684，\u521d\u59cb\u5316\u4e3a\u7a7a\u5373\u53ef\u3002\u8fd9\u4e2a\u51fd\u6570\u662f\u963b\u585e\u7684，\u53ea\u8981\u6ca1\u6709\u5ba2\u6237\u7aef\u8fde\u63a5\u5c31\u4e0d\u4f1a\u8fd4\u56de；\u5982\u679c\u6709\u5ba2\u6237\u7aef\u8fde\u63a5，\u5c31\u4f1a\u8fd4\u56de\u8be5\u5ba2\u6237\u7aef\u7684\u5957\u63a5\u5b57\u63cf\u8ff0\u7b26\u3002<\/p>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u4f8b\u7a0b\u4e2d，\u4e00\u65e6\u5ba2\u6237\u7aef\u6210\u529f\u8fde\u63a5\u5c31\u4f1a\u521b\u5efa\u4e00\u4e2a\u7ebf\u7a0b\u5904\u7406\u8fd9\u4e2a\u5ba2\u6237\u7aef\u7684\u6570\u636e，\u8fd9\u6837\u7684\u8bdd\u5c31\u80fd\u5b9e\u73b0\u591a\u5ba2\u6237\u7aef\u7684\u8fde\u63a5\u670d\u52a1\u3002<\/p>\n
5. \u63a5\u6536\u6570\u636e<\/p>\n
\u00a0 \u00a0 \u00a0 \u00a0\u00a0\u53c2\u8003\u4e0a\u9762\u3002\u5982\u679crecv\u51fd\u6570\u8fd4\u56de0\u5219\u4ee3\u8868\u5ba2\u6237\u7aef\u65ad\u5f00\u4e86\u8fde\u63a5，\u8fd9\u65f6\u6211\u4eec\u5c31\u53ef\u4ee5\u5173\u95ed\u8fd9\u4e2a\u5957\u63a5\u5b57，\u9000\u51fa\u7ebf\u7a0b\u3002<\/p>\n
6. \u53d1\u9001\u6570\u636e<\/p>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u53c2\u8003\u4e0a\u9762\u3002<\/p>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u6d4b\u8bd5\u65f6\u5148\u5c06ESP32\u4e0a\u7535，\u786e\u4fdd\u670d\u52a1\u5668\u5df2\u7ecf\u542f\u52a8\u5e76\u5904\u4e8e\u76d1\u542c\u72b6\u6001；\u7136\u540e\u5728\u4e0a\u4f4d\u673a\u8fd9\u91cc\u8bbe\u7f6e\u4e3aTCP\u5ba2\u6237\u7aef\u6a21\u5f0f，\u586b\u5165ESP32\u7684IP\u548c\u7aef\u53e3；\u7136\u540e\u5c31\u53ef\u4ee5\u8fde\u63a5\u5e76\u53d1\u9001\u6570\u636e\u4e86\u3002<\/p>\n
![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250419163615-6803d0ffc6914.png\")
<\/p>\n![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250419163617-6803d10134b72.png\")
<\/p>\n","protected":false},"excerpt":{"rendered":"\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb1.6k\u6b21\uff0c\u70b9\u8d5e28\u6b21\uff0c\u6536\u85cf20\u6b21\u3002TCP\uff08Transmission Control Protocol\uff09\uff0c\u5168\u79f0\u3002\uff0c\u6bcf\u4e00\u4e2aTCP\u8fde\u63a5\u53ea\u80fd\u662f\u70b9\u5bf9\u70b9\u7684\uff08\u4e00\u5bf9\u4e00\uff09\uff1b\u63d0\u4f9b\uff1b\u63d0\u4f9b\uff1b\u3002_esp32 tcp<\/p>\n","protected":false},"author":2,"featured_media":28472,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[174,2289,822,205,270,78],"topic":[],"class_list":["post-28482","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-c","tag-esp32","tag-mcu","tag-tcp-ip","tag-270","tag-78"],"yoast_head":"\n
\u3010ESP32\u3011ESP-IDF\u5f00\u53d1 | WiFi\u5f00\u53d1 | TCP\u4f20\u8f93\u63a7\u5236\u534f\u8bae + TCP\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u4f8b\u7a0b - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/28482.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u3010ESP32\u3011ESP-IDF\u5f00\u53d1 | WiFi\u5f00\u53d1 | TCP\u4f20\u8f93\u63a7\u5236\u534f\u8bae + TCP\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u4f8b\u7a0b - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb1.6k\u6b21\uff0c\u70b9\u8d5e28\u6b21\uff0c\u6536\u85cf20\u6b21\u3002TCP\uff08Transmission Control Protocol\uff09\uff0c\u5168\u79f0\u3002\uff0c\u6bcf\u4e00\u4e2aTCP\u8fde\u63a5\u53ea\u80fd\u662f\u70b9\u5bf9\u70b9\u7684\uff08\u4e00\u5bf9\u4e00\uff09\uff1b\u63d0\u4f9b\uff1b\u63d0\u4f9b\uff1b\u3002_esp32 tcp\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/28482.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2025-04-19T16:36:18+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250419163612-6803d0fcb3bee.png\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"9 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/28482.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/28482.html\",\"name\":\"\u3010ESP32\u3011ESP-IDF\u5f00\u53d1 | WiFi\u5f00\u53d1 | TCP\u4f20\u8f93\u63a7\u5236\u534f\u8bae + TCP\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u4f8b\u7a0b - 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