备份-网线热拔插问题

.vscode/settings.json

@@ -8,6 +8,12 @@
         "ch438q.h": "c",
         "ht1200m.h": "c",
         "main.h": "c",
-        "etharp.h": "c"
+        "etharp.h": "c",
+        "tcpserverc.h": "c",
+        "stdio.h": "c",
+        "freertos.h": "c",
+        "lan8742.h": "c",
+        "lwip.h": "c",
+        "dhcp.h": "c"
     }
 }

Core/Src/freertos.c

@@ -28,6 +28,9 @@
 #include "dac161s997.h"
 #include "ch438q.h"
 #include "tcpserverc.h"
+#include "lan8742.h"
+#include "lwip.h"
+#include "lwip/tcp.h"
 /* USER CODE END Includes */
 
 /* Private typedef -----------------------------------------------------------*/
@@ -55,7 +58,9 @@ osThreadId ch438_taskHandle;
 
 /* Private function prototypes -----------------------------------------------*/
 /* USER CODE BEGIN FunctionPrototypes */
-
+extern struct netif gnetif;
+extern ETH_HandleTypeDef heth;
+extern struct tcp_pcb *server_pcb_hart[TCP_MAX];
 /* USER CODE END FunctionPrototypes */
 
 void start_lwip_task(void const *argument);
@@ -143,6 +148,24 @@ void start_lwip_task(void const *argument)
   for (;;)
   {
     // osThreadTerminate(NULL);
+    uint32_t phyreg = 0;
+    uint8_t tcp_hart_num = 0;
+    HAL_ETH_ReadPHYRegister(&heth, 0x00, PHY_BSR, &phyreg);
+    if (((phyreg >> 2) & 0x1) != 0x1)
+    {
+      /* When the netif link is down this function must be called */
+
+      netif_set_link_down(&gnetif);
+      netif_set_down(&gnetif); // 热插拔下线时调用
+      for (tcp_hart_num = 0; tcp_hart_num < TCP_MAX; tcp_hart_num++)
+      {
+        if (tcp_echo_flags[tcp_hart_num] == 1)
+        {
+          tcp_abort(server_pcb_hart[tcp_hart_num]); // 热插拔下线时调用
+          tcp_echo_flags[tcp_hart_num] = 0;
+        }
+      }
+    }
     ch438_interrupt_handler_data_ch438_chip_1();
     ch438_interrupt_handler_data_ch438_chip_2();
 

MDK-ARM/valve_debugging.uvoptx

@@ -373,7 +373,7 @@
       <GroupNumber>2</GroupNumber>
       <FileNumber>4</FileNumber>
       <FileType>1</FileType>
-      <tvExp>0</tvExp>
+      <tvExp>1</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
       <bDave2>0</bDave2>
       <PathWithFileName>../Core/Src/freertos.c</PathWithFileName>