57 lines
1.4 KiB
C
57 lines
1.4 KiB
C
/*
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* 硬件抽象层实现
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* 功能：实现硬件抽象层的初始化和操作结构体获取
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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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#include "hal.h"
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/* 前向声明平台特定的硬件抽象层实现 */
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extern const hal_uart_ops_t stm32f4_uart_ops;
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extern const hal_i2c_ops_t stm32f4_i2c_ops;
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extern const hal_eth_ops_t stm32f4_eth_ops;
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/* 硬件抽象层操作结构体 */
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static const hal_ops_t hal_ops = {
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.uart = &stm32f4_uart_ops,
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.i2c = &stm32f4_i2c_ops,
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.eth = &stm32f4_eth_ops
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};
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/**
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* @brief 硬件抽象层初始化
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* @return hal_status_t: 操作结果
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* @note 初始化所有硬件抽象层组件
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*/
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hal_status_t hal_init(void)
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{
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hal_status_t status = HAL_STATUS_OK;
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/* 初始化串口 */
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if (hal_ops.uart->init(HAL_UART_BAUDRATE_115200) != HAL_STATUS_OK) {
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status = HAL_STATUS_ERROR;
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}
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/* 初始化I2C */
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if (hal_ops.i2c->init(HAL_I2C_CLOCK_SPEED_100K) != HAL_STATUS_OK) {
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status = HAL_STATUS_ERROR;
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}
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/* 初始化以太网 */
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if (hal_ops.eth->init() != HAL_STATUS_OK) {
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status = HAL_STATUS_ERROR;
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}
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return status;
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}
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/**
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* @brief 获取硬件抽象层操作结构体
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* @return const hal_ops_t*: 硬件抽象层操作结构体指针
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* @note 返回硬件抽象层操作结构体，用于访问各种硬件操作
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*/
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const hal_ops_t *hal_get_ops(void)
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{
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return &hal_ops;
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} |