268 lines
7.3 KiB
C
268 lines
7.3 KiB
C
/******************************************************************************
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* @file key.c
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* @brief 按键状态机实现
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* @author cyWu <1917507415@qq.com>
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* @date 2026.08.25
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* @version V1.0.0
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* @history
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* - V1.0.0, 2026.08.25, cyWu, 从天誉 MJ-1.0 充电板移植到杰理 BR28
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******************************************************************************/
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#include "key.h"
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#include <stddef.h>
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static uint32_t s_key_count_time;
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static uint8_t s_key_num = USR_KEY_COUNT;
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keyCategory_t keyTable[USR_KEY_COUNT];
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/**
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* @brief 读按键电平到 fsm
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* @param key 状态机
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* @return 1=已读，0=被屏蔽
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*/
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static uint8_t get_key_level(keyFSM_t *key)
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{
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if (key->keyShield == KEY_DISABLE) {
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return 0;
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}
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if (key->keyReadValue == NULL) {
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return 0;
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}
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key->keyLevel = (key->keyReadValue() == key->keyDownLevel) ? Bit_SET : Bit_RESET;
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return 1;
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}
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/**
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* @brief 单击 / 双击间隔判定
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* @param click 状态机
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* @return 1=可以出事件
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*/
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static uint8_t key_click_frequency(keyFSM_t *click)
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{
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click->keyInterval++;
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switch (click->keyFrequency) {
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case CLICK:
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if (click->keyInterval >= (KEY_INTERVAL / (DEBOUNCE_TIME * KEY_TIMER_MS))) {
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click->eventType = SHORT_Event;
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return 1;
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}
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break;
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case DbLCLICK:
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if (click->keyInterval >= (KEY_INTERVAL / (DEBOUNCE_TIME * KEY_TIMER_MS))) {
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click->eventType = DBCL_Event;
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return 1;
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}
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break;
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default:
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return 1;
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}
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return 0;
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}
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/**
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* @brief 按键状态机步进
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* @param key_buf 状态机
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* @return 1=已处理
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*/
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static uint8_t read_key_status(keyFSM_t *key_buf)
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{
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if (!get_key_level(key_buf)) {
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return 0;
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}
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switch (key_buf->keyStatus) {
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case KEY_ST_NULL:
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if (key_buf->keyLevel == Bit_SET) {
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key_buf->keyStatus = KEY_ST_SURE;
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}
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break;
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case KEY_ST_SURE:
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if (key_buf->keyLevel == Bit_SET) {
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key_buf->eventType = DOWN_Event;
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key_buf->keyStatus = KEY_ST_DOWN;
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key_buf->keyCount = 0;
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key_buf->keyLongFlag = 1;
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} else {
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key_buf->keyStatus = KEY_ST_NULL;
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}
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break;
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case KEY_ST_DOWN:
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if (key_buf->keyLevel != Bit_SET) {
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if (key_buf->keyShortFlag == 0) {
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key_buf->keyShortFlag = 1;
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key_buf->keyFrequency++;
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key_buf->keyInterval = 0;
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}
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if (key_click_frequency(key_buf)) {
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key_buf->keyFrequency = 0;
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key_buf->keyStatus = KEY_ST_NULL;
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}
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if ((key_buf->keyCount >= key_buf->keyLongTime / DEBOUNCE_TIME)
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&& (key_buf->keyCount < key_buf->keyLastTime / DEBOUNCE_TIME)) {
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key_buf->keyFrequency = 0;
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key_buf->keyStatus = KEY_ST_NULL;
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key_buf->eventType = RELEASE_Event;
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}
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key_buf->keyCount = 0;
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key_buf->keyLongFlag = 1;
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} else {
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if ((++key_buf->keyCount >= key_buf->keyLastTime / DEBOUNCE_TIME)) {
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key_buf->keyCount = 0;
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key_buf->keyFrequency = 0;
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key_buf->keyStatus = KEY_ST_LONG;
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key_buf->eventType = LAST_Event;
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key_buf->keyLongFlag = 1;
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}
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if ((key_buf->keyCount >= key_buf->keyLongTime / DEBOUNCE_TIME)
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&& (key_buf->keyCount < key_buf->keyLastTime / DEBOUNCE_TIME)) {
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key_buf->keyFrequency = 0;
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if (key_buf->keyLongFlag == 1) {
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key_buf->eventType = LONG_Event;
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key_buf->keyLongFlag = 0;
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}
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}
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key_buf->keyShortFlag = 0;
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}
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break;
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case KEY_ST_LONG:
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if (key_buf->keyLevel != Bit_SET) {
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key_buf->keyStatus = KEY_ST_NULL;
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key_buf->eventType = RELEASE_Event;
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}
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break;
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default:
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break;
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}
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return 1;
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}
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/**
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* @brief 扫描全部按键状态机
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* @return 无
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*/
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static void key_event_process(void)
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{
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size_t i;
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for (i = 0; i < s_key_num; i++) {
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(void)read_key_status(&keyTable[i].fsm);
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}
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}
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/**
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* @brief 1ms 调用一次；满 DEBOUNCE_TIME 才真正采样
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* @return 无
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*/
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void keyCheckProcess(void)
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{
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s_key_count_time++;
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if (s_key_count_time >= (DEBOUNCE_TIME / KEY_TIMER_MS)) {
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s_key_count_time = 0;
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key_event_process();
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}
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}
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/**
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* @brief 拷贝产品按键表
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* @param keys 按键数组，长度 USR_KEY_COUNT
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* @return 无
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*/
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void keyParaInit(keyCategory_t *keys)
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{
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if (keys == NULL) {
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return;
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}
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if (USR_KEY_COUNT >= KEY_MAX_NUMBER) {
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s_key_num = KEY_MAX_NUMBER;
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}
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memcpy(keyTable, keys, sizeof(keyCategory_t) * s_key_num);
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}
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/**
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* @brief 运行中改长按/连按时长并复位状态
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* @param key_event 按键索引
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* @param key_param 新参数
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* @return 无
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*/
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void setKeyEventParams(uint8_t key_event, keyCategory_t key_param)
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{
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if (key_event >= s_key_num) {
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return;
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}
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keyTable[key_event].fsm.keyShield = key_param.fsm.keyShield;
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keyTable[key_event].fsm.keyLongTime = key_param.fsm.keyLongTime;
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keyTable[key_event].fsm.keyLastTime = key_param.fsm.keyLastTime;
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keyTable[key_event].fsm.keyStatus = KEY_ST_NULL;
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keyTable[key_event].fsm.eventType = NULL_Event;
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keyTable[key_event].fsm.keyCount = 0;
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}
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/**
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* @brief 派发按键事件回调
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* @return 无
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*/
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void keyHandle(void)
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{
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size_t i;
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for (i = 0; i < s_key_num; i++) {
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if (keyTable[i].fsm.eventType == NULL_Event) {
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continue;
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}
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switch (keyTable[i].fsm.eventType) {
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case RELEASE_Event:
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if (keyTable[i].func.releasePressCb != NULL) {
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keyTable[i].func.releasePressCb();
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}
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keyTable[i].fsm.eventType = NULL_Event;
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break;
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case SHORT_Event:
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if (keyTable[i].func.ShortPressCb != NULL) {
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keyTable[i].func.ShortPressCb();
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}
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keyTable[i].fsm.eventType = NULL_Event;
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break;
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case DOWN_Event:
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if (keyTable[i].func.downPressCb != NULL) {
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keyTable[i].func.downPressCb();
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}
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keyTable[i].fsm.eventType = NULL_Event;
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break;
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case LONG_Event:
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if (keyTable[i].func.longPressCb != NULL) {
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keyTable[i].func.longPressCb();
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}
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keyTable[i].fsm.eventType = NULL_Event;
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break;
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case LAST_Event:
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if (keyTable[i].func.lastPressCb != NULL) {
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keyTable[i].func.lastPressCb();
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}
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break;
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case DBCL_Event:
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if (keyTable[i].func.dbclPressCb != NULL) {
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keyTable[i].func.dbclPressCb();
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}
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keyTable[i].fsm.eventType = NULL_Event;
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break;
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default:
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break;
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}
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}
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}
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/**
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* @brief 复位指定按键状态机
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* @param key_index 按键索引
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* @return 无
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*/
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void reset_key_Status(keyList key_index)
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{
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if (key_index >= USR_KEY_COUNT) {
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return;
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}
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keyTable[key_index].fsm.keyStatus = KEY_ST_NULL;
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keyTable[key_index].fsm.eventType = NULL_Event;
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keyTable[key_index].fsm.keyCount = 0;
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}
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