增加事件驱动和业务回滚处理方式

app/state_manager.c

@@ -0,0 +1,136 @@
+/*
+ * state_manager.c
+ *
+ *  Created on: 2026-03-04
+ *      Author: RT-Thread
+ *
+ *  功能: 状态管理模块实现
+ *  依赖: RT-Thread Nano, osal
+ *  跨平台适配: 基于RT-Thread Nano，使用标准API
+ */
+
+// #include <rtthread.h>
+#include "osal.h"
+#include "state_manager.h"
+
+/* 系统状态 */
+static system_state_t g_system_state;
+
+/**
+ * @brief 初始化状态管理
+ * @return 0 成功，非0 失败
+ */
+int state_manager_init(void)
+{
+    /* 初始化系统状态 */
+    g_system_state.network_state = NETWORK_STATE_DISCONNECTED;
+    g_system_state.sensor_state = SENSOR_STATE_IDLE;
+    g_system_state.tcp_state = TCP_STATE_CLOSED;
+    g_system_state.error_code = ERROR_NONE;
+    
+    osal_log_i("State manager initialized");
+    return 0;
+}
+
+/**
+ * @brief 获取系统状态
+ * @param state 系统状态指针
+ * @return 0 成功，非0 失败
+ */
+int state_manager_get_system_state(system_state_t *state)
+{
+    if (state == NULL)
+    {
+        return -1;
+    }
+    
+    *state = g_system_state;
+    return 0;
+}
+
+/**
+ * @brief 设置网络状态
+ * @param state 网络状态
+ * @return 0 成功，非0 失败
+ */
+int state_manager_set_network_state(network_state_t state)
+{
+    g_system_state.network_state = state;
+    osal_log_i("Network state set to %d", state);
+    return 0;
+}
+
+/**
+ * @brief 设置传感器状态
+ * @param state 传感器状态
+ * @return 0 成功，非0 失败
+ */
+int state_manager_set_sensor_state(sensor_state_t state)
+{
+    g_system_state.sensor_state = state;
+    osal_log_i("Sensor state set to %d", state);
+    return 0;
+}
+
+/**
+ * @brief 设置TCP状态
+ * @param state TCP状态
+ * @return 0 成功，非0 失败
+ */
+int state_manager_set_tcp_state(tcp_state_t state)
+{
+    g_system_state.tcp_state = state;
+    osal_log_i("TCP state set to %d", state);
+    return 0;
+}
+
+/**
+ * @brief 设置错误代码
+ * @param error 错误代码
+ * @return 0 成功，非0 失败
+ */
+int state_manager_set_error_code(error_code_t error)
+{
+    g_system_state.error_code = error;
+    osal_log_i("Error code set to %d", error);
+    return 0;
+}
+
+/**
+ * @brief 创建状态快照
+ * @param snapshot 状态快照指针
+ * @return 0 成功，非0 失败
+ */
+int state_manager_create_snapshot(state_snapshot_t *snapshot)
+{
+    if (snapshot == NULL)
+    {
+        return -1;
+    }
+    
+    /* 复制当前系统状态 */
+    snapshot->system_state = g_system_state;
+    snapshot->timestamp = rt_tick_get();
+    
+    osal_log_i("State snapshot created");
+    return 0;
+}
+
+/**
+ * @brief 恢复状态快照
+ * @param snapshot 状态快照指针
+ * @return 0 成功，非0 失败
+ */
+int state_manager_restore_snapshot(state_snapshot_t *snapshot)
+{
+    if (snapshot == NULL)
+    {
+        return -1;
+    }
+    
+    /* 恢复系统状态 */
+    g_system_state = snapshot->system_state;
+    
+    osal_log_i("State snapshot restored");
+    return 0;
+}