实现串口驱动，移植方便

Middlewares/logging/inc/logging.h

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+/* USER CODE BEGIN Header */
+/**
+  ******************************************************************************
+  * @file           : logging.h
+  * @brief          : Logging middleware header file
+  ******************************************************************************
+  */
+/* USER CODE END Header */
+
+#ifndef LOGGING_H
+#define LOGGING_H
+
+#include <stdint.h>
+#include <stddef.h>
+#include <stdio.h>
+
+/**
+ * @brief Log levels definitions
+ */
+typedef enum {
+    LOG_LEVEL_DEBUG = 0U,
+    LOG_LEVEL_INFO = 1U,
+    LOG_LEVEL_WARN = 2U,
+    LOG_LEVEL_ERROR = 3U,
+    LOG_LEVEL_FATAL = 4U,
+    LOG_LEVEL_NONE = 5U
+} log_level_t;
+
+/**
+ * @brief Initialize logging module
+ */
+void logging_init(void);
+
+/**
+ * @brief Set logging level
+ * @param level: Logging level to set
+ */
+void logging_set_level(log_level_t level);
+
+/**
+ * @brief Get current logging level
+ * @retval Current logging level
+ */
+log_level_t logging_get_level(void);
+
+/**
+ * @brief Log debug message
+ * @param format: Format string
+ * @param ...: Variable arguments
+ */
+void log_debug(const char *format, ...);
+
+/**
+ * @brief Log info message
+ * @param format: Format string
+ * @param ...: Variable arguments
+ */
+void log_info(const char *format, ...);
+
+/**
+ * @brief Log warning message
+ * @param format: Format string
+ * @param ...: Variable arguments
+ */
+void log_warn(const char *format, ...);
+
+/**
+ * @brief Log error message
+ * @param format: Format string
+ * @param ...: Variable arguments
+ */
+void log_error(const char *format, ...);
+
+/**
+ * @brief Log fatal message
+ * @param format: Format string
+ * @param ...: Variable arguments
+ */
+void log_fatal(const char *format, ...);
+
+#endif /* LOGGING_H */