实现串口驱动，移植方便

HAL/Inc/hal_delay.h

@@ -0,0 +1,32 @@
+/* USER CODE BEGIN Header */
+/**
+  ******************************************************************************
+  * @file           : hal_delay.h
+  * @brief          : Delay hardware abstraction layer header file
+  ******************************************************************************
+  */
+/* USER CODE END Header */
+
+#ifndef HAL_DELAY_H
+#define HAL_DELAY_H
+
+#include <stdint.h>
+
+/**
+ * @brief Initialize delay module
+ */
+void hal_delay_init(void);
+
+/**
+ * @brief Delay in milliseconds
+ * @param ms: Delay time in milliseconds
+ */
+void hal_delay_ms(uint32_t ms);
+
+/**
+ * @brief Delay in microseconds
+ * @param us: Delay time in microseconds
+ */
+void hal_delay_us(uint32_t us);
+
+#endif /* HAL_DELAY_H */

HAL/Inc/hal_gpio.h

@@ -0,0 +1,97 @@
+/* USER CODE BEGIN Header */
+/**
+  ******************************************************************************
+  * @file           : hal_gpio.h
+  * @brief          : GPIO hardware abstraction layer header file
+  ******************************************************************************
+  */
+/* USER CODE END Header */
+
+#ifndef HAL_GPIO_H
+#define HAL_GPIO_H
+
+/**
+ * @brief GPIO pin state definitions
+ */
+typedef enum {
+    HAL_GPIO_PIN_RESET = 0U,
+    HAL_GPIO_PIN_SET = 1U
+} hal_gpio_pin_state_t;
+
+/**
+ * @brief GPIO pin definitions
+ */
+typedef enum {
+    HAL_GPIO_PIN_0 = 0U,
+    HAL_GPIO_PIN_1 = 1U,
+    HAL_GPIO_PIN_2 = 2U,
+    HAL_GPIO_PIN_3 = 3U,
+    HAL_GPIO_PIN_4 = 4U,
+    HAL_GPIO_PIN_5 = 5U,
+    HAL_GPIO_PIN_6 = 6U,
+    HAL_GPIO_PIN_7 = 7U,
+    HAL_GPIO_PIN_8 = 8U,
+    HAL_GPIO_PIN_9 = 9U,
+    HAL_GPIO_PIN_10 = 10U,
+    HAL_GPIO_PIN_11 = 11U,
+    HAL_GPIO_PIN_12 = 12U,
+    HAL_GPIO_PIN_13 = 13U,
+    HAL_GPIO_PIN_14 = 14U,
+    HAL_GPIO_PIN_15 = 15U,
+    HAL_GPIO_PIN_ALL = 0xFFFFU
+} hal_gpio_pin_t;
+
+/**
+ * @brief GPIO port definitions
+ */
+typedef enum {
+    HAL_GPIO_PORT_A = 0U,
+    HAL_GPIO_PORT_B = 1U,
+    HAL_GPIO_PORT_C = 2U,
+    HAL_GPIO_PORT_D = 3U,
+    HAL_GPIO_PORT_E = 4U,
+    HAL_GPIO_PORT_F = 5U,
+    HAL_GPIO_PORT_G = 6U,
+    HAL_GPIO_PORT_H = 7U,
+    HAL_GPIO_PORT_I = 8U,
+    HAL_GPIO_PORT_J = 9U,
+    HAL_GPIO_PORT_K = 10U
+} hal_gpio_port_t;
+
+/**
+ * @brief GPIO configuration structure
+ */
+typedef struct {
+    hal_gpio_port_t port;
+    hal_gpio_pin_t pin;
+} hal_gpio_config_t;
+
+/**
+ * @brief Initialize GPIO hardware
+ */
+void hal_gpio_init(void);
+
+/**
+ * @brief Write GPIO pin state
+ * @param port: GPIO port
+ * @param pin: GPIO pin
+ * @param state: GPIO pin state
+ */
+void hal_gpio_write_pin(hal_gpio_port_t port, hal_gpio_pin_t pin, hal_gpio_pin_state_t state);
+
+/**
+ * @brief Toggle GPIO pin state
+ * @param port: GPIO port
+ * @param pin: GPIO pin
+ */
+void hal_gpio_toggle_pin(hal_gpio_port_t port, hal_gpio_pin_t pin);
+
+/**
+ * @brief Read GPIO pin state
+ * @param port: GPIO port
+ * @param pin: GPIO pin
+ * @retval GPIO pin state
+ */
+hal_gpio_pin_state_t hal_gpio_read_pin(hal_gpio_port_t port, hal_gpio_pin_t pin);
+
+#endif /* HAL_GPIO_H */

HAL/Inc/hal_uart.h

@@ -0,0 +1,89 @@
+/* USER CODE BEGIN Header */
+/**
+  ******************************************************************************
+  * @file           : hal_uart.h
+  * @brief          : UART hardware abstraction layer header file
+  ******************************************************************************
+  */
+/* USER CODE END Header */
+
+#ifndef HAL_UART_H
+#define HAL_UART_H
+
+#include <stdint.h>
+#include <stddef.h>
+
+/**
+ * @brief UART parity definitions
+ */
+typedef enum {
+    HAL_UART_PARITY_NONE = 0U,
+    HAL_UART_PARITY_ODD = 1U,
+    HAL_UART_PARITY_EVEN = 2U
+} hal_uart_parity_t;
+
+/**
+ * @brief UART stop bits definitions
+ */
+typedef enum {
+    HAL_UART_STOPBITS_1 = 0U,
+    HAL_UART_STOPBITS_2 = 1U
+} hal_uart_stopbits_t;
+
+/**
+ * @brief UART data bits definitions
+ */
+typedef enum {
+    HAL_UART_DATABITS_8 = 0U,
+    HAL_UART_DATABITS_9 = 1U
+} hal_uart_databits_t;
+
+/**
+ * @brief UART configuration structure
+ */
+typedef struct {
+    uint32_t baudrate;
+    hal_uart_parity_t parity;
+    hal_uart_stopbits_t stopbits;
+    hal_uart_databits_t databits;
+} hal_uart_config_t;
+
+/**
+ * @brief Initialize UART hardware
+ */
+void hal_uart_init(void);
+
+/**
+ * @brief Configure UART parameters
+ * @param config: UART configuration structure
+ */
+void hal_uart_config(const hal_uart_config_t *config);
+
+/**
+ * @brief Send data over UART
+ * @param data: Pointer to data buffer
+ * @param length: Data length in bytes
+ */
+void hal_uart_send(const uint8_t *data, size_t length);
+
+/**
+ * @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 hal_uart_receive(uint8_t *data, size_t length);
+
+/**
+ * @brief Check if UART is ready to send
+ * @retval 1 if ready, 0 otherwise
+ */
+uint8_t hal_uart_is_tx_ready(void);
+
+/**
+ * @brief Check if UART has data to receive
+ * @retval 1 if data available, 0 otherwise
+ */
+uint8_t hal_uart_is_rx_ready(void);
+
+#endif /* HAL_UART_H */