huxi
142 lines
3.7 KiB
C
142 lines
3.7 KiB
C
#ifdef SUPPORT_MS_EXTENSIONS
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#pragma bss_seg(".key.data.bss")
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#pragma data_seg(".key.data")
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#pragma const_seg(".key.text.const")
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#pragma code_seg(".key.text")
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#endif
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#include "app_msg.h"
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#include "key_driver.h"
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#include "system/timer.h"
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#include "sdk_config.h"
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struct key_hold {
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u8 send_3s_msg;
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u8 send_5s_msg;
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u32 start_time;
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};
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static struct key_hold key_hold_hdl[3];
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static struct key_hold *get_key_hold(u8 key_value)
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{
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if (key_value < ARRAY_SIZE(key_hold_hdl)) {
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return &key_hold_hdl[key_value];
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}
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return NULL;
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}
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/* --------------------------------------------------------------------------*/
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/**
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* @brief 多击按键判断
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*
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* @param key：基础按键动作（mono_click、long、hold、up）和键值
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*
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* @return 0：不拦截按键事件
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* 1：拦截按键事件
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*/
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/* ----------------------------------------------------------------------------*/
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static int multi_clicks_translate(struct key_event *key)
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{
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static u8 click_cnt;
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static u8 notify_value = 0xff;
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struct key_hold *hold = get_key_hold(key->value);
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if (key->event == KEY_ACTION_LONG) {
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if (hold) {
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hold->start_time = jiffies;
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}
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} else if (key->event == KEY_ACTION_HOLD) {
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if (hold) {
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int time_msec = jiffies_offset_to_msec(hold->start_time, jiffies);
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if (time_msec >= 3000 && hold->send_3s_msg == 0) {
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hold->send_3s_msg = 1;
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key->event = KEY_ACTION_HOLD_3SEC;
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} else if (time_msec >= 5000 && hold->send_5s_msg) {
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hold->send_5s_msg = 1;
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key->event = KEY_ACTION_HOLD_5SEC;
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}
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}
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} else {
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if (hold) {
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hold->send_3s_msg = 0;
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hold->send_5s_msg = 1;
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hold->start_time = 0;
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}
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}
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if (key->event == KEY_ACTION_CLICK) {
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if (key->value != notify_value) {
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click_cnt = 1;
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notify_value = key->value;
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} else {
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click_cnt++;
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}
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return 1;
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}
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if (key->event == KEY_ACTION_NO_KEY) {
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if (click_cnt >= 2) {
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key->event = KEY_ACTION_DOUBLE_CLICK + (click_cnt - 2);
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} else {
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key->event = KEY_ACTION_CLICK;
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}
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key->value = notify_value;
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click_cnt = 0;
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notify_value = NO_KEY;
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} else if (key->event > KEY_ACTION_CLICK) {
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click_cnt = 0;
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notify_value = NO_KEY;
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}
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return 0;
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}
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/* --------------------------------------------------------------------------*/
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/**
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* @brief 联合按键判断
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*
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* @param key：基础按键动作（mono_click、long、hold、up）和键值
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*
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* @return 0：不拦截按键事件
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* 1：拦截按键事件
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*/
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/* ----------------------------------------------------------------------------*/
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static int combination_key_translate(struct key_event *key)
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{
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return 0;
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}
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/* --------------------------------------------------------------------------*/
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/**
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* @brief 按键事件过滤、检测和发送
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*
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* @param key：基础按键动作（mono_click、long、hold、up）和键值
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*/
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/* ----------------------------------------------------------------------------*/
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void key_event_handler(struct key_event *key)
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{
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const struct key_callback *p;
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if (multi_clicks_translate(key)) {
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return;
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}
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if (combination_key_translate(key)) {
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return;
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}
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if (key->event == KEY_ACTION_NO_KEY) {
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return;
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}
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//外部需要格外做的处理流程，请通过注册的形式在此处回调
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list_for_each_key_callback(p) {
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if (p->cb_deal == NULL) {
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continue;
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}
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if (p->cb_deal(key)) {
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return;
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}
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}
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app_send_message_from(MSG_FROM_KEY, sizeof(*key), (int *)key);
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}
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