优化实现串口驱动，SPI驱动 W25QXX还需要初始化验证修复

Modules/uart/README.md

@@ -8,12 +8,57 @@ UART模块用于实现串口通信功能，支持数据发送和接收，提供
 
 ## 接口说明
 
+### 枚举类型
+
+#### hal_uart_parity_t
+UART校验位枚举
+```c
+typedef enum {
+    HAL_UART_PARITY_NONE = 0U,  /*!< 无奇偶校验 */
+    HAL_UART_PARITY_ODD = 1U,   /*!< 奇校验 */
+    HAL_UART_PARITY_EVEN = 2U   /*!< 偶校验 */
+} hal_uart_parity_t;
+```
+
+#### hal_uart_stopbits_t
+UART停止位枚举
+```c
+typedef enum {
+    HAL_UART_STOPBITS_1 = 0U,   /*!< 1位停止位 */
+    HAL_UART_STOPBITS_2 = 1U    /*!< 2位停止位 */
+} hal_uart_stopbits_t;
+```
+
+#### hal_uart_databits_t
+UART数据位枚举
+```c
+typedef enum {
+    HAL_UART_DATABITS_8 = 0U,   /*!< 8位数据位 */
+    HAL_UART_DATABITS_9 = 1U    /*!< 9位数据位 */
+} hal_uart_databits_t;
+```
+
+#### hal_uart_instance_t
+UART实例枚举
+```c
+typedef enum {
+    HAL_UART_INSTANCE_1 = 0U,   /*!< UART1实例 */
+    HAL_UART_INSTANCE_2,        /*!< UART2实例 */
+    HAL_UART_INSTANCE_3,        /*!< UART3实例 */
+    HAL_UART_INSTANCE_4,        /*!< UART4实例 */
+    HAL_UART_INSTANCE_5,        /*!< UART5实例 */
+    HAL_UART_INSTANCE_6,        /*!< UART6实例 */
+    HAL_UART_INSTANCE_MAX       /*!< 实例数量最大值 */
+} hal_uart_instance_t;
+```
+
 ### 数据结构
 
 #### uart_config_t
 UART配置结构体，用于初始化UART模块
 ```c
 typedef struct {
+    hal_uart_instance_t instance;    /*!< UART实例 */
     uint32_t baudrate;               /*!< 波特率 */
     hal_uart_parity_t parity;        /*!< 校验位 */
     hal_uart_stopbits_t stopbits;    /*!< 停止位 */
@@ -36,12 +81,19 @@ typedef struct {
 ```c
 void uart_init(void);
 ```
-初始化UART模块
+初始化UART模块，设置默认配置
 
 **参数**：无
 
 **返回值**：无
 
+**默认配置**：
+- 实例：HAL_UART_INSTANCE_1
+- 波特率：115200
+- 校验位：HAL_UART_PARITY_NONE
+- 停止位：HAL_UART_STOPBITS_1
+- 数据位：HAL_UART_DATABITS_8
+
 #### uart_config
 ```c
 void uart_config(const uart_config_t *config);
@@ -118,6 +170,16 @@ uint8_t uart_is_rx_ready(void);
 /* 初始化UART模块 */
 uart_init();
 
+/* 配置UART参数 */
+uart_config_t config = {
+    .instance = HAL_UART_INSTANCE_1,
+    .baudrate = 115200,
+    .parity = HAL_UART_PARITY_NONE,
+    .stopbits = HAL_UART_STOPBITS_1,
+    .databits = HAL_UART_DATABITS_8
+};
+uart_config(&config);
+
 /* 发送字符串 */
 uart_send_string("Hello, UART!\r\n");
 

Modules/uart/inc/uart.h

@@ -18,6 +18,7 @@
  * @brief UART configuration structure
  */
 typedef struct {
+    hal_uart_instance_t instance;
     uint32_t baudrate;
     hal_uart_parity_t parity;
     hal_uart_stopbits_t stopbits;

Modules/uart/src/uart.c

@@ -21,6 +21,7 @@ void uart_init(void) {
     hal_uart_init();
     
     /* Set default configuration */
+    uart.config.instance = HAL_UART_INSTANCE_1;
     uart.config.baudrate = 115200;
     uart.config.parity = HAL_UART_PARITY_NONE;
     uart.config.stopbits = HAL_UART_STOPBITS_1;
@@ -58,7 +59,7 @@ void uart_send(const uint8_t *data, size_t length) {
         return;
     }
     
-    hal_uart_send(data, length);
+    hal_uart_send(uart.config.instance, data, length);
 }
 
 /**
@@ -70,7 +71,7 @@ void uart_send_string(const char *str) {
         return;
     }
     
-    hal_uart_send((const uint8_t *)str, strlen(str));
+    hal_uart_send(uart.config.instance, (const uint8_t *)str, strlen(str));
 }
 
 /**
@@ -84,7 +85,7 @@ size_t uart_receive(uint8_t *data, size_t length) {
         return 0;
     }
     
-    return hal_uart_receive(data, length);
+    return hal_uart_receive(uart.config.instance, data, length);
 }
 
 /**
@@ -92,7 +93,7 @@ size_t uart_receive(uint8_t *data, size_t length) {
  * @retval 1 if ready, 0 otherwise
  */
 uint8_t uart_is_tx_ready(void) {
-    return hal_uart_is_tx_ready();
+    return hal_uart_is_tx_ready(uart.config.instance);
 }
 
 /**
@@ -100,5 +101,5 @@ uint8_t uart_is_tx_ready(void) {
  * @retval 1 if data available, 0 otherwise
  */
 uint8_t uart_is_rx_ready(void) {
-    return hal_uart_is_rx_ready();
+    return hal_uart_is_rx_ready(uart.config.instance);
 }