132 lines
2.8 KiB
C
132 lines
2.8 KiB
C
/*
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* event_handler.c
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*
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* Created on: 2026-03-04
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* Author: RT-Thread
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*
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* 功能: 事件处理器模块实现
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* 依赖: RT-Thread Nano, osal, event_queue
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* 跨平台适配: 基于RT-Thread Nano，使用标准API
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*/
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#include <rtthread.h>
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#include "osal.h"
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#include "event_queue.h"
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#include "event_handler.h"
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/* 事件处理器数组 */
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static event_handler_t g_event_handlers[EVENT_TYPE_MAX];
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/**
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* @brief 初始化事件处理器
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* @return 0 成功，非0 失败
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*/
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int event_handler_init(void)
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{
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/* 初始化事件处理器数组 */
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for (int i = 0; i < EVENT_TYPE_MAX; i++)
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{
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g_event_handlers[i].handler = NULL;
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g_event_handlers[i].user_data = NULL;
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}
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osal_log_i("Event handler initialized");
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return 0;
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}
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/**
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* @brief 注册事件处理器
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* @param type 事件类型
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* @param handler 事件处理函数
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* @param user_data 用户数据
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* @return 0 成功，非0 失败
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*/
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int event_handler_register(event_type_t type, event_handler_func_t handler, void *user_data)
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{
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if (type < 0 || type >= EVENT_TYPE_MAX)
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{
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return -1;
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}
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if (handler == NULL)
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{
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return -1;
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}
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g_event_handlers[type].handler = handler;
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g_event_handlers[type].user_data = user_data;
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osal_log_i("Event handler registered for type %d", type);
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return 0;
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}
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/**
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* @brief 注销事件处理器
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* @param type 事件类型
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* @return 0 成功，非0 失败
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*/
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int event_handler_unregister(event_type_t type)
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{
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if (type < 0 || type >= EVENT_TYPE_MAX)
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{
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return -1;
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}
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g_event_handlers[type].handler = NULL;
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g_event_handlers[type].user_data = NULL;
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osal_log_i("Event handler unregistered for type %d", type);
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return 0;
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}
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/**
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* @brief 处理事件
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* @param event 事件指针
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* @return 0 成功，非0 失败
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*/
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int event_handler_process(event_t *event)
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{
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if (event == NULL)
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{
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return -1;
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}
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event_type_t type = event->type;
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if (type < 0 || type >= EVENT_TYPE_MAX)
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{
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osal_log_w("Invalid event type: %d", type);
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return -1;
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}
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event_handler_t *handler = &g_event_handlers[type];
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if (handler->handler != NULL)
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{
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osal_log_d("Processing event type %d", type);
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return handler->handler(event, handler->user_data);
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}
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else
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{
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osal_log_d("No handler registered for event type %d", type);
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return -1;
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}
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}
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/**
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* @brief 事件分发线程
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* @param parameter 线程参数
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*/
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void event_dispatch_thread(void *parameter)
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{
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event_t event;
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while (1)
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{
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/* 从事件队列中获取事件 */
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if (event_queue_pop(&event, OSAL_WAIT_FOREVER) == 0)
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{
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/* 处理事件 */
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event_handler_process(&event);
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}
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}
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}
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