update 解决相关bug

leakage_system/usr/bsp/bsp_W5500.c

@@ -20,10 +20,13 @@
 #define BSP_W5500_PORT_DATA_RECEIVE             0x01    /*端口接收到一个数据包*/
 #define BSP_W5500_PORT_DATA_TRANSMITOK          0x02    /*端口发送一个数据包完成*/
 
+static u8 last_link_status = 0;   // 保存上一次链路状态
+
 static void bsp_W5500_Interrupt_Process(void);
 static void bsp_W5500_Init(void);
 static void bsp_W5500_Task(void);
 static void Write_SOCK_Data_Buffer(bsp_W5500_Class_t *pW5500_Class, u8 *dat_ptr, u16 size);
+static void network_monitor_task(void);
 
 bsp_W5500_t W5500 = 
 {
@@ -36,6 +39,7 @@ bsp_W5500_t W5500 =
     
     .Init              = bsp_W5500_Init,
     .Task              = bsp_W5500_Task,
+    .Monitor_task      = network_monitor_task,
     .Socket_Send       = Write_SOCK_Data_Buffer,
     
     .W5500_Class[0] = 
@@ -741,7 +745,7 @@ void bsp_W5500_Socket_Set(bsp_W5500_Class_t *pW5500_Class)
 
 static void bsp_W5500_Init()
 {
-    u8 i;
+    u8 i,ver;
     W5500_Hardware_Reset();         /*硬件复位W5500*/
     W5500_Init();                   /*初始化W5500寄存器函数*/
     Detect_Gateway();               /*检查网关服务器*/
@@ -751,7 +755,9 @@ static void bsp_W5500_Init()
         bsp_W5500_Socket_Init(&pW5500->W5500_Class[i]);
         pW5500->W5500_Class[i].Run_State = 0;                   /*复位状态*/
         //bsp_W5500_Socket_Set(&pW5500->W5500_Class[i]);        /*W5500端口初始化配置*/
-    } 
+    }
+     
+
 }
 
 static void bsp_W5500_Task(void)
@@ -781,3 +787,25 @@ static void bsp_W5500_Task(void)
     }
 }
 
+/**
+ * @brief 获取 W5500 物理链路状态
+ * @return 1: 链路连接, 0: 链路断开
+ */
+static u8 w5500_get_link_status(void)
+{
+    u8 phycfgr = Read_W5500_1Byte(PHYCFGR);  // 读取 PHYCFGR 寄存器
+    return (phycfgr & LINK) ? 1 : 0;              // 返回 LINK 位
+}
+
+
+static void network_monitor_task(void)
+{
+    u8 current_link = w5500_get_link_status();
+    
+    if (last_link_status == 0 && current_link == 1) {
+        /*链路从断开变为连接，执行恢复操作*/
+        W5500.Init();                      
+    }
+    
+    last_link_status = current_link;
+}