74 lines
2.1 KiB
C
74 lines
2.1 KiB
C
/*
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* 硬件抽象层通用接口
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* 功能：定义硬件抽象层的通用接口，包括串口、I2C和以太网驱动
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* 依赖硬件：STM32F407VE
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* 跨平台适配点：通过不同平台的实现文件适配不同硬件
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*/
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#ifndef HAL_H
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#define HAL_H
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#include <stdint.h>
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#include "osal.h"
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/* 硬件抽象层错误码 */
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typedef enum {
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HAL_STATUS_OK = 0,
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HAL_STATUS_ERROR = -1,
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HAL_STATUS_BUSY = -2,
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HAL_STATUS_TIMEOUT = -3
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} hal_status_t;
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/* 串口波特率定义 */
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typedef enum {
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HAL_UART_BAUDRATE_9600 = 9600,
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HAL_UART_BAUDRATE_115200 = 115200,
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HAL_UART_BAUDRATE_460800 = 460800,
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HAL_UART_BAUDRATE_921600 = 921600
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} hal_uart_baudrate_t;
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/* I2C时钟速度定义 */
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typedef enum {
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HAL_I2C_CLOCK_SPEED_100K = 100000,
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HAL_I2C_CLOCK_SPEED_400K = 400000
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} hal_i2c_clock_speed_t;
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/* 串口硬件抽象层接口 */
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typedef struct {
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hal_status_t (*init)(hal_uart_baudrate_t baudrate);
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hal_status_t (*deinit)(void);
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hal_status_t (*send)(const uint8_t *data, uint32_t len);
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hal_status_t (*recv)(uint8_t *data, uint32_t len, uint32_t timeout);
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} hal_uart_ops_t;
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/* I2C硬件抽象层接口 */
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typedef struct {
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hal_status_t (*init)(hal_i2c_clock_speed_t clock_speed);
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hal_status_t (*deinit)(void);
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hal_status_t (*master_transmit)(uint16_t dev_addr, const uint8_t *data, uint32_t len, uint32_t timeout);
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hal_status_t (*master_receive)(uint16_t dev_addr, uint8_t *data, uint32_t len, uint32_t timeout);
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} hal_i2c_ops_t;
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/* 以太网硬件抽象层接口 */
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typedef struct {
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hal_status_t (*init)(void);
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hal_status_t (*deinit)(void);
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hal_status_t (*send)(const uint8_t *data, uint32_t len);
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hal_status_t (*recv)(uint8_t *data, uint32_t *len, uint32_t timeout);
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hal_status_t (*get_link_status)(void);
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} hal_eth_ops_t;
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/* 硬件抽象层操作结构体 */
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typedef struct {
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const hal_uart_ops_t *uart;
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const hal_i2c_ops_t *i2c;
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const hal_eth_ops_t *eth;
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} hal_ops_t;
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/* 硬件抽象层初始化函数 */
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extern hal_status_t hal_init(void);
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/* 获取硬件抽象层操作结构体 */
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extern const hal_ops_t *hal_get_ops(void);
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#endif /* HAL_H */ |