3.27_433：实现并验证RF433模块接收相应指令：新增UART路由核心模块，使程序能响应RF433/RS485指令，并向UART2输出LOG（RS485由于硬件原因未验证）

Core/Src/debug_log.c

@@ -0,0 +1,148 @@
+/**
+  ******************************************************************************
+  * @file    debug_log.c
+  * @brief   增强型调试日志系统实现
+  * @author  Application Layer
+  * @version 1.0
+  ******************************************************************************
+  * @attention
+  * 本模块实现增强型调试日志系统
+  * 设计依据：多通信接口统一指令处理系统开发计划 第3.4节
+  * 
+  * 日志格式：[LEVEL][MODULE] message
+  * 示例：[INFO][CMD] Command received: RL
+  ******************************************************************************
+  */
+
+#include "debug_log.h"
+#include "uart2_print.h"
+#include <stdarg.h>
+#include <string.h>
+#include <stdio.h>
+
+#define MAX_MODULES     16
+#define MODULE_NAME_LEN 16
+
+typedef struct {
+    char name[MODULE_NAME_LEN];
+    bool enabled;
+} module_config_t;
+
+static log_level_t g_current_level = LOG_LEVEL_DEBUG;
+static module_config_t g_modules[MAX_MODULES];
+static bool g_modules_initialized = false;
+
+static const char *const g_level_str[] = {
+    [LOG_LEVEL_DEBUG] = "DEBUG",
+    [LOG_LEVEL_INFO]  = "INFO ",
+    [LOG_LEVEL_WARN]  = "WARN ",
+    [LOG_LEVEL_ERROR] = "ERROR",
+};
+
+static void init_modules(void)
+{
+    if (g_modules_initialized) {
+        return;
+    }
+    
+    for (int i = 0; i < MAX_MODULES; i++) {
+        g_modules[i].name[0] = '\0';
+        g_modules[i].enabled = false;
+    }
+    
+    g_modules_initialized = true;
+}
+
+static bool is_module_enabled(const char *module)
+{
+    if (module == NULL || module[0] == '\0') {
+        return true;
+    }
+    
+    init_modules();
+    
+    for (int i = 0; i < MAX_MODULES; i++) {
+        if (g_modules[i].name[0] != '\0' && 
+            strncmp(g_modules[i].name, module, MODULE_NAME_LEN - 1) == 0) {
+            return g_modules[i].enabled;
+        }
+    }
+    
+    return true;
+}
+
+void DebugLog_Init(void)
+{
+    g_current_level = LOG_LEVEL_DEBUG;
+    init_modules();
+    
+    UART2_Print_String("[LOG] Debug log system initialized\r\n");
+}
+
+void DebugLog_SetLevel(log_level_t level)
+{
+    g_current_level = level;
+}
+
+log_level_t DebugLog_GetLevel(void)
+{
+    return g_current_level;
+}
+
+void DebugLog_EnableModule(const char *module, bool enable)
+{
+    if (module == NULL || module[0] == '\0') {
+        return;
+    }
+    
+    init_modules();
+    
+    for (int i = 0; i < MAX_MODULES; i++) {
+        if (g_modules[i].name[0] == '\0') {
+            strncpy(g_modules[i].name, module, MODULE_NAME_LEN - 1);
+            g_modules[i].name[MODULE_NAME_LEN - 1] = '\0';
+            g_modules[i].enabled = enable;
+            return;
+        }
+        
+        if (strncmp(g_modules[i].name, module, MODULE_NAME_LEN - 1) == 0) {
+            g_modules[i].enabled = enable;
+            return;
+        }
+    }
+}
+
+void DebugLog_Output(log_level_t level, const char *module, const char *fmt, ...)
+{
+    if (level < g_current_level) {
+        return;
+    }
+    
+    if (!is_module_enabled(module)) {
+        return;
+    }
+    
+    char buffer[256];
+    int len = 0;
+    
+    len += snprintf(buffer + len, sizeof(buffer) - len, "[%s][%s] ", 
+                     g_level_str[level], module ? module : "MAIN");
+    
+    if (len < (int)sizeof(buffer) - 1) {
+        va_list args;
+        va_start(args, fmt);
+        len += vsnprintf(buffer + len, sizeof(buffer) - len, fmt, args);
+        va_end(args);
+    }
+    
+    if (len > 0 && len < (int)sizeof(buffer)) {
+        buffer[len++] = '\r';
+        if (len < (int)sizeof(buffer)) {
+            buffer[len++] = '\n';
+        }
+    }
+    
+    if (len > 0) {
+        UART2_Print_Send((const uint8_t *)buffer, len);
+    }
+}