主板：V0.004.0

1、W5500增加Keep-Alive机制检测通讯超时（解决主机突然断网，造成主控一直处于假链接的状态）；
2、设备添加子控后自动跳转到最后一页；

屏幕：V1.2
1、修复修改波特率时，会误触发返回和保存按键；

leakage_system/Core/Inc/iwdg.h

@@ -0,0 +1,52 @@
+/* USER CODE BEGIN Header */
+/**
+  ******************************************************************************
+  * @file    iwdg.h
+  * @brief   This file contains all the function prototypes for
+  *          the iwdg.c file
+  ******************************************************************************
+  * @attention
+  *
+  * Copyright (c) 2026 STMicroelectronics.
+  * All rights reserved.
+  *
+  * This software is licensed under terms that can be found in the LICENSE file
+  * in the root directory of this software component.
+  * If no LICENSE file comes with this software, it is provided AS-IS.
+  *
+  ******************************************************************************
+  */
+/* USER CODE END Header */
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __IWDG_H__
+#define __IWDG_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "main.h"
+
+/* USER CODE BEGIN Includes */
+
+/* USER CODE END Includes */
+
+extern IWDG_HandleTypeDef hiwdg;
+
+/* USER CODE BEGIN Private defines */
+
+/* USER CODE END Private defines */
+
+void MX_IWDG_Init(void);
+
+/* USER CODE BEGIN Prototypes */
+
+/* USER CODE END Prototypes */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __IWDG_H__ */
+

leakage_system/Core/Src/iwdg.c

@@ -0,0 +1,55 @@
+/* USER CODE BEGIN Header */
+/**
+  ******************************************************************************
+  * @file    iwdg.c
+  * @brief   This file provides code for the configuration
+  *          of the IWDG instances.
+  ******************************************************************************
+  * @attention
+  *
+  * Copyright (c) 2026 STMicroelectronics.
+  * All rights reserved.
+  *
+  * This software is licensed under terms that can be found in the LICENSE file
+  * in the root directory of this software component.
+  * If no LICENSE file comes with this software, it is provided AS-IS.
+  *
+  ******************************************************************************
+  */
+/* USER CODE END Header */
+/* Includes ------------------------------------------------------------------*/
+#include "iwdg.h"
+
+/* USER CODE BEGIN 0 */
+
+/* USER CODE END 0 */
+
+IWDG_HandleTypeDef hiwdg;
+
+/* IWDG init function */
+void MX_IWDG_Init(void)
+{
+
+  /* USER CODE BEGIN IWDG_Init 0 */
+
+  /* USER CODE END IWDG_Init 0 */
+
+  /* USER CODE BEGIN IWDG_Init 1 */
+
+  /* USER CODE END IWDG_Init 1 */
+  hiwdg.Instance = IWDG;
+  hiwdg.Init.Prescaler = IWDG_PRESCALER_128;
+  hiwdg.Init.Reload = 750;
+  if (HAL_IWDG_Init(&hiwdg) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  /* USER CODE BEGIN IWDG_Init 2 */
+
+  /* USER CODE END IWDG_Init 2 */
+
+}
+
+/* USER CODE BEGIN 1 */
+
+/* USER CODE END 1 */