stc32g128k/App/event.c

#include "event.h"
#include "app_manager.h"
#include "database.h"
#include "system.h"
#include "clock.h"
#include "xtell.h"
#include "../Drivers/adc.h"

// 定义事件<E4BA8B><E4BBB6>形队列的<E58897><E79A84>大深度为 8
#define EVENT_QUEUE_DEPTH 8

// <20><>形队列存储数<E582A8><E695B0> (存放在单片机 xdata 拓展 RAM区中)
static SystemEvent xdata event_queue[EVENT_QUEUE_DEPTH];
static u8 queue_head = 0;   // 队<><E9989F><EFBFBD><EFBFBD>指<EFBFBD><E68C87>
static u8 queue_tail = 0;   // 队尾写指<E58699><E68C87>
static u8 queue_count = 0;  // 当前队列内有效事件<E4BA8B><E4BBB6>数

/**
 * @brief 初<EFBFBD><EFBFBD>化/清空事件队列
 */
void EventQueue_Init(void)
{
    queue_head = 0;
    queue_tail = 0;
    queue_count = 0;
}

/**
 * @brief 将普通事件压入队<EFBFBD><EFBFBD>
 * @param evt 输入的系统事<EFBFBD><EFBFBD>
 * @return bit 1-成功<EFBFBD><EFBFBD>0-失败
 */
bit EventQueue_Push(SystemEvent evt)
{
    if (queue_count >= EVENT_QUEUE_DEPTH) return 0; // 队列满，丢弃事件
    EA = 0; // 关闭全局<E585A8><E5B180><EFBFBD><EFBFBD>，保护临界区操作的原子<E58E9F>
    event_queue[queue_tail] = evt; // 存入队尾
    queue_tail = (queue_tail + 1) % EVENT_QUEUE_DEPTH; // 尾指针向后移<E5908E><E7A7BB>，回<EFBC8C><E59B9E>
    queue_count++; // 有效计数<E8AEA1><E695B0> 1
    EA = 1; // 恢<><E681A2>全<EFBFBD><E585A8><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
    return 1;
}

/**
 * @brief 将高优先<EFBFBD><EFBFBD>/紧<EFBFBD><EFBFBD>事件强行插到队<EFBFBD><EFBFBD>
 * @param evt 输入的系统事<EFBFBD><EFBFBD>
 * @return bit 1-成功<EFBFBD><EFBFBD>0-失败
 */
bit EventQueue_InsertFront(SystemEvent evt)
{
    if (queue_count >= EVENT_QUEUE_DEPTH) return 0; // 队列满，插队失败
    EA = 0; // 屏蔽<E5B18F><E894BD><EFBFBD><EFBFBD>
    // 头指针向前移动一位（带回<E5B8A6><E59B9E>防溢出）
    queue_head = (queue_head - 1 + EVENT_QUEUE_DEPTH) % EVENT_QUEUE_DEPTH;
    event_queue[queue_head] = evt; // 存入腾出的队首位<E9A696><E4BD8D>
    queue_count++; // 计数<E8AEA1><E695B0> 1
    EA = 1; // 恢<><E681A2>中<EFBFBD><E4B8AD>
    return 1;
}

/**
 * @brief 从队首弹出一<EFBFBD><EFBFBD>缓冲事件
 * @return SystemEvent 返回弹出的事件<EFBFBD><EFBFBD>若空返回空闲事<EFBFBD><EFBFBD>
 */
SystemEvent EventQueue_Pop(void)
{
    SystemEvent evt;
    // 默<><E9BB98>空事件属<E4BBB6>
    evt.key_event = KEY_EVENT_NONE;
        evt.priority = EVENT_PRIORITY_NORMAL;
    evt.extra_data = 0;
    evt.extra_size = 0;
    
    if (queue_count == 0) return evt; // 队空，直接返回空闲事<E997B2><E4BA8B>
    
    EA = 0; // 屏蔽<E5B18F><E894BD><EFBFBD><EFBFBD>
    evt = event_queue[queue_head]; // 读取队<E58F96><E9989F>数<EFBFBD><E695B0>
    queue_head = (queue_head + 1) % EVENT_QUEUE_DEPTH; // 头指针向后移<E5908E><E7A7BB>，回<EFBC8C><E59B9E>
    queue_count--; // 有效计数<E8AEA1><E695B0> 1
    EA = 1; // 恢<><E681A2>中<EFBFBD><E4B8AD>
    return evt;
}

/**
 * @brief 判断队列<EFBFBD><EFBFBD>否为<EFBFBD><EFBFBD>
 */
bit EventQueue_IsEmpty(void)
{
    return (queue_count == 0) ? 1 : 0;
}

/**
 * @brief 判断队列<EFBFBD><EFBFBD>否已<EFBFBD><EFBFBD>
 */
bit EventQueue_IsFull(void)
{
    return (queue_count >= EVENT_QUEUE_DEPTH) ? 1 : 0;
}

/**
 * @brief 获取当前队列<EFBFBD><EFBFBD>的事件<EFBFBD><EFBFBD>数
 */
u8 EventQueue_GetCount(void)
{
    return queue_count;
}

/**
 * @brief 事件分发器核心轮询<EFBFBD><EFBFBD>辑
 * @details 逐一处理队列<EFBFBD><EFBFBD>的事件，并根<EFBFBD><EFBFBD>系统当前的运行模式进行拦<EFBFBD><EFBFBD>、跳<EFBFBD><EFBFBD>或下发派发<EFBFBD>
 */
void Event_Dispatcher_Loop(void)
{
    SystemEvent evt = EventQueue_Pop(); // 弹出<E5BCB9><E587BA><EFBFBD><EFBFBD>事件
    
    // 如果<E5A682><E69E9C>无事发生的空事件，直接<E79BB4><E68EA5><EFBFBD>
    if (evt.key_event == KEY_EVENT_NONE && evt.extra_size == 0) {
        return;
    }
    
    inactivity_timer = 0; // 捕获到有效事件，清零休眠计时<E8AEA1><E697B6>，重<EFBC8C><E9878D>闲置超时
    
    // 串口打印调试信息
    XTELL_LOG("[EVENT] key=");
    XTELL_LOG_HEX8((u8)evt.key_event);
    XTELL_LOG("\r\n");

    // SOS 按键紧<E994AE><E7B4A7><EFBFBD><EFBFBD>理：若当前前台不为 SOS 应用，接收到 SOS <20><>动作，立即强行切入到 SOS_APP 并执行求<E8A18C><E6B182>
    if ((evt.key_event == KEY_EVENT_SOS_CLICK || evt.key_event == KEY_EVENT_SOS_LONG) &&
        AppManager_GetActiveAppID() != APP_ID_SOS) {
        AppManager_StartApp(APP_ID_SOS);
        return;
    }

    // 关机事件处理：捕获到长按关机指令，直接调<E68EA5><E8B083> Power_Off 关断电源
    if (evt.key_event == KEY_EVENT_POWER_OFF) {
        Power_Off();
        return;
    }

    // 常<><E5B8B8>事件（如普通的按键点击）直接<E79BB4><E68EA5>传分发给当前<E5BD93><E5898D>于前台活跃的应<E79A84><E5BA94>
    AppManager_DispatchEvent(evt);
}

/**
 * @brief 定时<EFBFBD><EFBFBD> 1 初<EFBFBD><EFBFBD>化，<EFBFBD><EFBFBD>定 1ms <EFBFBD><EFBFBD><EFBFBD><EFBFBD>周期
 */
void Timer1_Init(void)
{
    AUXR |= 0x40; // 设定定时<E5AE9A><E697B6> 1 <20><> 1T 模式 (无分频，主<EFBC8C><E4B8BB>直接输<E68EA5><E8BE93>)
    TMOD &= 0x0F; // 设置定时<E5AE9A><E697B6> 1 模式寄存<E5AF84><E5AD98>，保留低四位 (定时<E5AE9A><E697B6>0配置)
    {
        // 按照系统主<E7BB9F> (MAIN_Fosc) 计算 1ms 对应的重装载<E8A385><E8BDBD>
        u16 reload = (u16)(65536UL - (MAIN_Fosc / 1000UL));
        TL1 = (u8)reload;       // 载入<E8BDBD><E585A5> 8 <20><>
        TH1 = (u8)(reload >> 8);// 载入<E8BDBD><E585A5> 8 <20><>
    }
    ET1 = 1; // <20><><EFBFBD><EFBFBD>定时<E5AE9A><E697B6> 1 <20><><EFBFBD><EFBFBD>允<EFBFBD>
    TR1 = 1; // <20><>动定时器 1 计数
    EA = 1;  // <20><><EFBFBD><EFBFBD>全局<E585A8><E5B180><EFBFBD><EFBFBD>允<EFBFBD>
}

// 全局按键<E68C89><E994AE>描触发标<E58F91><E6A087>
volatile bit key_scan_flag = 0;

/**
 * @brief 定时<EFBFBD><EFBFBD> 1 <EFBFBD><EFBFBD><EFBFBD><EFBFBD>服务程序 (<EFBFBD><EFBFBD> 1ms 触发<EFBFBD><EFBFBD><EFBFBD><EFBFBD>)
 * @details 承担系统<EFBFBD><EFBFBD>时钟计算，并<EFBFBD><EFBFBD> 10ms <EFBFBD><EFBFBD>位主<EFBFBD><EFBFBD><EFBFBD><EFBFBD>按键<EFBFBD><EFBFBD>描标志，不直接在<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>进<EFBFBD> ADC 多<EFBFBD><EFBFBD>采样<EFBFBD>
 */
void Timer1_Isr(void) interrupt 3
{
    // 1ms 定时更新<E69BB4><E696B0>时钟
    Clock_IncMS();

    // 报<><E68AA5>屏幕红边<E7BAA2><E8BEB9>以 100ms 周期<E591A8><E69C9F><EFBFBD><EFBFBD>，进行<E8BF9B><E8A18C>色爆闪指示
    alarm_flash_flag = (ms_tick / 100) % 2;

    /* 物理按键定时计数 (<28><> 10ms <20><>位一次标志位) */
    key_scan_timer++;
    if (key_scan_timer >= 10) {
        key_scan_timer = 0; // 重置<E9878D><E7BDAE>描分频<E58886><E9A291>数<EFBFBD><E695B0>
        key_scan_flag = 1;  // 仅在<E4BB85><E59CA8><EFBFBD><EFBFBD>里置起标志位，留待主<E5BE85><E4B8BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>执<EFBFBD><E689A7>实际<E5AE9E><E99985>取与消<E4B88E><E6B688>
    }
}

/**
 * @brief 主循<EFBFBD><EFBFBD>按键<EFBFBD><EFBFBD>描与消抖处理函数
 * @details 由主<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 10ms <EFBFBD><EFBFBD>查并执<EFBFBD><EFBFBD>，完全在主线程<EFBFBD><EFBFBD>运<EFBFBD><EFBFBD>，绝无<EFBFBD><EFBFBD><EFBFBD><EFBFBD>重入冲突<EFBFBD><EFBFBD>
 */
void Event_KeyScan_Poll(void)
{
    SystemEvent evt;
    // 读取按键的电平信<E5B9B3><E4BFA1> (KEY_UP, KEY_CONFIRM 为低电平有效)
    u8 raw_up      = !KEY_UP;
    u8 raw_down    = ADC_IsKeyDown(); // KEY_DOWN 通过 P0.3 ADC 通道判定 (常<> 2.0V, 按下 3.7V)
    u8 raw_confirm = !KEY_CONFIRM;
    u8 raw_sos     = !KEY_SOS; // 恢<> SOS 物理按键电平<E794B5><E5B9B3><EFBFBD><EFBFBD>
    key_scan_timer = 0; // 重置<E9878D><E7BDAE>描分频<E58886><E9A291>数<EFBFBD><E695B0>

    // 【SOS 按键电平实时诊断<E8AF8A><E696AD>
    {
        static u8 last_raw_sos = 99;
        if (raw_sos != last_raw_sos) {
            last_raw_sos = raw_sos;
            Uart_SendString("[KEY-DIAG] KEY_SOS (P2.6) logic raw: ");
            Uart_SendByte(raw_sos ? '1' : '0');
            Uart_SendString(", Physical GPIO Pin: ");
            Uart_SendByte(KEY_SOS ? '1' : '0');
            Uart_SendString("\r\n");
        }
    }

    // 按键调试诊断：若按键 ADC 值有变化或<E58C96><E68896>于高电平，串口输出真实 ADC <20><>
    {
        u16 down_val = ADC_ReadFiltered(ADC_CHANNEL_KEY_DOWN);
        if (down_val > 2800) {
            Uart_SendString("[KEY-DIAG] KEY_DOWN pressed! ADC Raw: ");
            Uart_SendByte((u8)('0' + (down_val / 1000) % 10));
            Uart_SendByte((u8)('0' + (down_val / 100) % 10));
            Uart_SendByte((u8)('0' + (down_val / 10) % 10));
            Uart_SendByte((u8)('0' + (down_val % 10)));
            Uart_SendString("\r\n");
        }
    }

    // <20><>测到有任意按<E6848F><E68C89>处于下压状<E58E8B><E78AB6>，立即将无操作闲置休眠计时器归<E599A8><E5BD92>
        if (raw_up || raw_down || raw_confirm || raw_sos) {
            inactivity_timer = 0;
        } else {
            // 如果在常态下（非休眠、非报<E99D9E><E68AA5><EFBFBD><EFBFBD>非紧<E99D9E><E7B4A7>求救），累加闲<E58AA0><E997B2>时间
            if (current_state != STATE_SLEEP && current_state != STATE_ALARM && current_state != STATE_SOS_EMITTED) {
                inactivity_timer++;
            }
        }

        // 默<><E9BB98>将派发事件重置为空
        evt.key_event = KEY_EVENT_NONE;
        evt.priority = EVENT_PRIORITY_NORMAL;
        evt.extra_data = 0;
        evt.extra_size = 0;

        // 双键组合判定：▲ <20><> and <20><> <20><>同时按下的消抖与生成
        if (raw_up && raw_down) {
            comb_hold++;
            if (comb_hold == 300) { // 持续按下<E68C89><E4B88B> 3 <20><> (300 * 10ms = 3s)
                evt.key_event = KEY_EVENT_UP_DOWN_COMB;
                EventQueue_Push(evt); // 压入队列
            }
            key_up_hold = 0;   // 清零单个按键计数，防止双击事件干<E4BBB6><E5B9B2>
            key_down_hold = 0;
        } else {
            comb_hold = 0; // 组合<E7BB84><E59088>松开归零

            // <20><> (KEY_UP) 按键状<E994AE><E78AB6>机
            if (raw_up) {
                key_up_hold++;
                if (key_up_hold == 300) { // 达到 3 秒判定为长按
                    evt.key_event = KEY_EVENT_UP_LONG;
                    EventQueue_Push(evt);
                }
            } else {
                // 如果松开时按下<E68C89><E4B88B>数在消抖阈值（20ms）至长按阈<E68C89><E99888>（3s）之间，则判定为<E5AE9A><E4B8BA>次短<E6ACA1><E79FAD>
                if (key_up_hold >= 2 && key_up_hold < 300) {
                    evt.key_event = KEY_EVENT_UP_CLICK;
                    EventQueue_Push(evt);
                }
                key_up_hold = 0; // 释放归零
            }

            // <20><> (KEY_DOWN / <20><>关机) 按键状<E994AE><E78AB6>机
            if (raw_down) {
                key_down_hold++;
                if (key_down_hold == 100) { // 长按 1 <20><> (100 * 10ms = 1000ms = 1s) 触发关机事件
                    evt.key_event = KEY_EVENT_POWER_OFF;
                    EventQueue_Push(evt);
                }
            } else {
                // 如果松开时按下时长在 20ms <20><> 1s 之间，触发短按下<E68C89><E4B88B>/选择事件
                if (key_down_hold >= 2 && key_down_hold < 100) {
                    evt.key_event = KEY_EVENT_DOWN_CLICK;
                    EventQueue_Push(evt);
                }
                key_down_hold = 0; // 释放归零
            }

            // <20><> (KEY_CONFIRM) <20><>认按<E8AEA4><E68C89>状<EFBFBD><E78AB6>机
            if (raw_confirm) {
                key_confirm_hold++;
                if (key_confirm_hold == 300) { // 长按 3 秒打<E7A792><E68993>主菜<E4B8BB><E88F9C>
                    evt.key_event = KEY_EVENT_CONFIRM_LONG;
                    EventQueue_Push(evt);
                }
            } else {
                if (key_confirm_hold >= 2 && key_confirm_hold < 300) {
                    evt.key_event = KEY_EVENT_CONFIRM_CLICK;
                    EventQueue_Push(evt);
                }
                key_confirm_hold = 0; // 释放归零
            }

            // SOS <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ȱ<EFBFBD><C8B0><EFBFBD>״̬<D7B4><CCAC> (<28>ѽ<EFBFBD><D1BD><EFBFBD>)
            if (raw_sos) {
                key_sos_hold++;
                if (key_sos_hold == 300) { // <20><><EFBFBD><EFBFBD> 3 <20>룬<EFBFBD><EBA3AC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȣ<EFBFBD><C8A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
                    evt.key_event = KEY_EVENT_SOS_LONG;
                    evt.priority = EVENT_PRIORITY_URGENT;
                    EventQueue_InsertFront(evt);
                    Uart_SendString("[KEY-DIAG] SOS Long Press Dispatched!\r\n");
                }
            } else {
                if (key_sos_hold >= 2 && key_sos_hold < 300) { // <20>̰<EFBFBD><CCB0><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȣ<EFBFBD><C8A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
                    evt.key_event = KEY_EVENT_SOS_CLICK;
                    evt.priority = EVENT_PRIORITY_URGENT;
                    EventQueue_InsertFront(evt);
                    Uart_SendString("[KEY-DIAG] SOS Click Dispatched!\r\n");
                }
                key_sos_hold = 0; // <20>ͷŹ<CDB7><C5B9><EFBFBD>
            }
        }
}