#ifndef _KEY_H_
#define _KEY_H_
#include "port.h"
#include "pwm.h"
#define POWER_KEY_TRIGGER_TIME 3000
#define KEY_SCAN_PERIOD 20  //扫描周期20ms

#define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0]))
#define ZKEY_INIT(_name, _get_key_state) \
  { .name = _name, .get_key_state = _get_key_state }
#define ZMODULE_INIT(_keys, _onkey) /**/ \
  {                                 /**/ \
    .keys = _keys,                  /**/ \
        .nkey = ARRAY_SIZE(_keys),  /**/ \
        .onkey = _onkey             /**/ \
  }


typedef bool (*get_key_state_t)(void);
typedef enum {
  // mode1
  zks_keep,
  zks_rising_edge,   //上升沿按键按下从0-1
  zks_falling_edge,  //下降沿按键抬起1-0
  
  // mode2
  zks_trigger_event,           //触发
  zks_longtime_trigger_event,  //长时间触发
} zkey_state_t;

/**
 * @brief zkey
 */
typedef struct {
  const char *name;
  get_key_state_t get_key_state;
  bool last_io_state;

  zkey_state_t cur_state;    //当前的状态
  uint32_t keep_state_count; /*按键当前状态保持了多久*/

  bool hasProcessed; /*useful for user*/
  bool after_filter_state;

  uint32_t currentstatekeep_count;  //消抖使用
  bool last_real_state;             //消抖使用
} zkey_t;

/**
 * @brief zkey_module
 */
typedef struct {
  zkey_t *keys;
  int nkey;
  void (*onkey)(zkey_t *key, zkey_state_t key_state);
} zkey_module_t;

void zkey_init(zkey_module_t *module);
void zkey_do_loop_in_each_period(void *_null);
#endif