ozone_cp/APP/key.h

#ifndef _KEY_H_
#define _KEY_H_
#include "port.h"
#include "pwm.h"
#define POWER_KEY_TRIGGER_TIME 3000
#define KEY_SCAN_PERIOD 20  //ɨ������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,   //�����ذ������´�0-1
  zks_falling_edge,  //�½��ذ���̧��1-0

  // mode2
  zks_trigger_event,           //����
  zks_longtime_trigger_event,  //��ʱ�䴥��
} 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;    //��ǰ��״̬
  uint32_t keep_state_count; /*������ǰ״̬�����˶���*/

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

  uint32_t currentstatekeep_count;  //����ʹ��
  bool last_real_state;             //����ʹ��
} 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