mirror of
https://gitee.com/moluo-tech/AT-Command
synced 2025-06-18 08:27:51 +00:00
74 lines
2.6 KiB
C
74 lines
2.6 KiB
C
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/******************************************************************************
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* @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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*
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* Copyright (c) 2017~2020, <morro_luo@163.com>
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2017-08-10 Morro Initial version
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******************************************************************************/
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#include "key.h"
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#include <stddef.h>
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static key_t *keyhead = NULL; /*<2A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͷ<EFBFBD><CDB7><EFBFBD><EFBFBD>*/
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/*******************************************************************************
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* @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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* @param[in] key - <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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* @param[in] readkey - <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ժ<EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD>
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* @param[in] event - <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>¼<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD>
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* @return true - <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʧ<EFBFBD><EFBFBD>, false - <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɹ<EFBFBD>
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******************************************************************************/
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bool key_create(key_t *key, int (*readkey)(void),
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void (*event)(int type, unsigned int duration))
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{
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key_t *keytail = keyhead;
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if (key == NULL || readkey == NULL || event == NULL)
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return 0;
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key->event = event;
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key->readkey = readkey;
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key->next = NULL;
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if (keyhead == NULL) {
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keyhead = key;
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return 1;
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}
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while (keytail->next != NULL) /*ת<><D7AA><EFBFBD><EFBFBD>β*/
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keytail = keytail->next;
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keytail->next = key;
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return 1;
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}
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/*******************************************************************************
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* @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɨ<EFBFBD>账<EFBFBD><EFBFBD>
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* @return none
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******************************************************************************/
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void key_scan_process(void)
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{
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key_t *k;
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for (k = keyhead; k != NULL; k = k->next) {
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if (k->readkey()) {
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if (k->tick) {
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if (is_timeout(k->tick, LONG_PRESS_TIME)) /*<2A><><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD> */
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k->event(KEY_LONG_DOWN, get_tick() - k->tick);
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} else {
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k->tick = get_tick(); /*<2A><>¼<EFBFBD>״ΰ<D7B4><CEB0><EFBFBD>ʱ<EFBFBD><CAB1>*/
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}
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} else if (k->tick) {
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if (is_timeout(k->tick, LONG_PRESS_TIME)) { /*<2A><><EFBFBD><EFBFBD><EFBFBD>ͷ<EFBFBD> */
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k->event(KEY_LONG_UP, get_tick() - k->tick);
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}
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/*<2A>̰<EFBFBD><CCB0>ͷŲ<CDB7><C5B2><EFBFBD> ---------------------------------------------------*/
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if (is_timeout(k->tick, KEY_DEBOUNCE_TIME) &&
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!is_timeout(k->tick, LONG_PRESS_TIME)) {
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k->event(KEY_PRESS, get_tick() - k->tick);
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}
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k->tick = 0;
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}
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}
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}
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