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75 lines
2.2 KiB
75 lines
2.2 KiB
#include "key.h"
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static zkey_module_t *s_module;
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static bool s_inited;
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static void prv_zkey_process_each_after_filter(zkey_t *each, bool now_io_state) {
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if (now_io_state != each->last_io_state) {
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if (now_io_state) {
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each->keep_state_count = 0;
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each->hasProcessed = false;
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each->cur_state = zks_rising_edge;
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s_module->onkey(each, each->cur_state);
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} else {
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each->cur_state = zks_falling_edge;
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s_module->onkey(each, each->cur_state);
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each->keep_state_count = 0;
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}
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each->last_io_state = now_io_state;
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} else {
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each->cur_state = zks_keep;
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if (now_io_state) {
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s_module->onkey(each, each->cur_state);
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}
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}
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}
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void zkey_process_each(zkey_t *each);
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void zkey_init(zkey_module_t *module) {
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/**
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* @brief 按键初始化，三个状态的初始化，之前的，现在的，之后的
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*
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*/
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s_module = module;
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s_inited = true; //标志位说明按键初始化完成
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for (int i = 0; i < s_module->nkey; i++) {
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s_module->keys[i].cur_state = zks_keep;
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s_module->keys[i].last_io_state = s_module->keys[i].get_key_state();
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s_module->keys[i].after_filter_state = s_module->keys[i].get_key_state();
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}
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}
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void zkey_process_each(zkey_t *each) {
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/**
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* @brief 按键是否发生变换，没变换的时候进行时间记录
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*
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* @param each
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*/
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each->keep_state_count++;
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bool now_io_state = each->get_key_state(); //获取现在的按键io状态
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if (each->currentstatekeep_count < 1000) {
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each->currentstatekeep_count++;
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}
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if (now_io_state != each->last_real_state) //发生变换
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{
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each->currentstatekeep_count = 0;
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}
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if (each->currentstatekeep_count >= 1) //按键状态保持时间大于20ms,更新按键状态
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{
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each->after_filter_state = now_io_state;
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}
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each->last_real_state = now_io_state;
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prv_zkey_process_each_after_filter(each, each->after_filter_state);
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}
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void zkey_do_loop_in_each_period(void *_null) { /**
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* @brief 循环查询按键的状态
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*
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*/
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if (!s_inited) return;
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for (int i = 0; i < s_module->nkey; i++) //开始对每个按键进行查询
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{
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zkey_process_each(&s_module->keys[i]);
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}
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}
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