实现串口驱动，移植方便

Modules/uart/inc/uart.h

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+/* USER CODE BEGIN Header */
+/**
+  ******************************************************************************
+  * @file           : uart.h
+  * @brief          : UART driver module header file
+  ******************************************************************************
+  */
+/* USER CODE END Header */
+
+#ifndef UART_H
+#define UART_H
+
+#include <stdint.h>
+#include <stddef.h>
+#include "hal_uart.h"
+
+/**
+ * @brief UART configuration structure
+ */
+typedef struct {
+    uint32_t baudrate;
+    hal_uart_parity_t parity;
+    hal_uart_stopbits_t stopbits;
+    hal_uart_databits_t databits;
+} uart_config_t;
+
+/**
+ * @brief UART instance structure
+ */
+typedef struct {
+    uart_config_t config;
+    uint8_t initialized;
+} uart_t;
+
+/**
+ * @brief Initialize UART module
+ */
+void uart_init(void);
+
+/**
+ * @brief Configure UART parameters
+ * @param config: UART configuration structure
+ */
+void uart_config(const uart_config_t *config);
+
+/**
+ * @brief Send data over UART
+ * @param data: Pointer to data buffer
+ * @param length: Data length in bytes
+ */
+void uart_send(const uint8_t *data, size_t length);
+
+/**
+ * @brief Send string over UART
+ * @param str: Pointer to string
+ */
+void uart_send_string(const char *str);
+
+/**
+ * @brief Receive data over UART
+ * @param data: Pointer to data buffer
+ * @param length: Data length to receive in bytes
+ * @retval Number of bytes received
+ */
+size_t uart_receive(uint8_t *data, size_t length);
+
+/**
+ * @brief Check if UART is ready to send
+ * @retval 1 if ready, 0 otherwise
+ */
+uint8_t uart_is_tx_ready(void);
+
+/**
+ * @brief Check if UART has data to receive
+ * @retval 1 if data available, 0 otherwise
+ */
+uint8_t uart_is_rx_ready(void);
+
+#endif /* UART_H */