From c18183969412441a4adf6f136f1b394b8af44913 Mon Sep 17 00:00:00 2001
From: wangfq <wangfq@collectpublish.net>
Date: Fri, 3 Jul 2026 15:51:16 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20SocketCreat=200x1D=20=E2=80=94=20close?=
 =?UTF-8?q?=E5=90=8E=E5=85=88=E8=B7=91WCHNET=E5=9B=9E=E6=94=B6=E8=B5=84?=
 =?UTF-8?q?=E6=BA=90=E5=86=8Dcreat?=
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根因: WCHNET_SocketClose 异步, 资源在 WCHNET_MainTask 中释放.
      tcp_json_restart() close后立刻creat, 旧socket未回收→0x1D.
修复: close后循环5次 WCHNET_MainTask+HandleGlobalInt+Delay(10ms)
      确保资源释放后再 WCHNET_SocketCreat
---
 .../BLE/OnlyUpdateApp_Peripheral/APP/tcp_json_srv.c  | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/vd960DBN/BLE/OnlyUpdateApp_Peripheral/APP/tcp_json_srv.c b/vd960DBN/BLE/OnlyUpdateApp_Peripheral/APP/tcp_json_srv.c
index ef21a8b..d733f99 100644
--- a/vd960DBN/BLE/OnlyUpdateApp_Peripheral/APP/tcp_json_srv.c
+++ b/vd960DBN/BLE/OnlyUpdateApp_Peripheral/APP/tcp_json_srv.c
@@ -803,6 +803,18 @@ void tcp_json_restart(void) {
         g_json_socket_listen = 0xFF;
     }
 
+    /* 1.5 WCHNET 资源回收 — SocketClose 是异步的, 需跑一轮 MainTask */
+    {
+        uint8_t _retry;
+        for (_retry = 0; _retry < 5; _retry++) {
+            WCHNET_MainTask();
+            if (WCHNET_QueryGlobalInt()) {
+                WCHNET_HandleGlobalInt();
+            }
+            Delay_Ms(10);
+        }
+    }
+
     /* 2. 重置状态 */
     g_json_auth_state  = JSON_STATE_WAIT_AUTH;
     g_json_pwd_retry   = 0;