twr_switch.h

#ifndef TWR_SWITCH_H
#define TWR_SWITCH_H
 
#include <twr_gpio.h>
#include <twr_tick.h>
#include <twr_scheduler.h>
 
 
#define TWR_SWITCH_OPEN false
#define TWR_SWITCH_CLOSE true
 
 
typedef enum
{
    TWR_SWITCH_EVENT_OPENED = 0,
 
    TWR_SWITCH_EVENT_CLOSED = 1
 
} twr_switch_event_t;
 
 
typedef enum
{
    TWR_SWITCH_TYPE_NO = 0,
 
    TWR_SWITCH_TYPE_NC = 1
 
} twr_switch_type_t;
 
 
typedef enum
{
    TWR_SWITCH_PULL_NONE = 0,
 
    TWR_SWITCH_PULL_UP = 1,
 
    TWR_SWITCH_PULL_UP_DYNAMIC = 2,
 
    TWR_SWITCH_PULL_DOWN = 3,
 
    TWR_SWITCH_PULL_DOWN_DYNAMIC = 4,
 
} twr_switch_pull_t;
 
 
typedef struct twr_switch_t twr_switch_t;
 
 
typedef enum
{
    TWR_SWITCH_TASK_STATE_MEASURE = 0,
    TWR_SWITCH_TASK_STATE_SET_PULL = 1,
 
} twr_switch_task_state_t;
 
struct twr_switch_t
{
    twr_gpio_channel_t _channel;
    twr_switch_type_t _type;
    twr_switch_pull_t _pull;
    void (*_event_handler)(twr_switch_t *, twr_switch_event_t, void *);
    void *_event_param;
    twr_tick_t _update_interval;
    twr_switch_task_state_t _task_state;
    int _pin_state;
    twr_scheduler_task_id_t _task_id;
    twr_tick_t _scan_interval;
    twr_tick_t _debounce_time;
    twr_tick_t _tick_debounce;
    uint16_t _pull_advance_time;
};
 
 
 
void twr_switch_init(twr_switch_t *self, twr_gpio_channel_t channel, twr_switch_type_t type, twr_switch_pull_t pull);
 
 
void twr_switch_set_event_handler(twr_switch_t *self, void (*event_handler)(twr_switch_t *,twr_switch_event_t, void*), void *event_param);
 
 
bool twr_switch_get_state(twr_switch_t *self);
 
 
void twr_switch_set_scan_interval(twr_switch_t *self, twr_tick_t scan_interval);
 
 
void twr_switch_set_debounce_time(twr_switch_t *self, twr_tick_t debounce_time);
 
 
void twr_switch_set_pull_advance_time(twr_switch_t *self, uint16_t pull_advance_time_us);
 
 
#endif // TWR_SWITCH_H