lv_timer.h

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#ifndef LV_TIMER_H
#define LV_TIMER_H
 
#ifdef __cplusplus
extern "C" {
#endif
 
/*********************
 *      INCLUDES
 *********************/
#include "../lv_conf_internal.h"
#include "../hal/lv_hal_tick.h"
 
#include <stdint.h>
#include <stdbool.h>
 
/*********************
 *      DEFINES
 *********************/
#ifndef LV_ATTRIBUTE_TIMER_HANDLER
#define LV_ATTRIBUTE_TIMER_HANDLER
#endif
 
#define LV_NO_TIMER_READY 0xFFFFFFFF
 
/**********************
 *      TYPEDEFS
 **********************/
 
struct _lv_timer_t;
 
typedef void (*lv_timer_cb_t)(struct _lv_timer_t *);
 
typedef struct _lv_timer_t {
    uint32_t period; 
    uint32_t last_run; 
    lv_timer_cb_t timer_cb; 
    void * user_data; 
    int32_t repeat_count; 
    uint32_t paused : 1;
} lv_timer_t;
 
/**********************
 * GLOBAL PROTOTYPES
 **********************/
 
void _lv_timer_core_init(void);
 
 
LV_ATTRIBUTE_TIMER_HANDLER uint32_t lv_timer_handler(void);
 
 
static inline LV_ATTRIBUTE_TIMER_HANDLER uint32_t lv_timer_handler_run_in_period(uint32_t ms)
{
    static uint32_t last_tick = 0;
    uint32_t curr_tick = lv_tick_get();
 
    if((curr_tick - last_tick) >= (ms)) {
        last_tick = curr_tick;
        return lv_timer_handler();
    }
    return 1;
}
 
lv_timer_t * lv_timer_create_basic(void);
 
lv_timer_t * lv_timer_create(lv_timer_cb_t timer_xcb, uint32_t period, void * user_data);
 
void lv_timer_del(lv_timer_t * timer);
 
void lv_timer_pause(lv_timer_t * timer);
 
void lv_timer_resume(lv_timer_t * timer);
 
void lv_timer_set_cb(lv_timer_t * timer, lv_timer_cb_t timer_cb);
 
void lv_timer_set_period(lv_timer_t * timer, uint32_t period);
 
void lv_timer_ready(lv_timer_t * timer);
 
void lv_timer_set_repeat_count(lv_timer_t * timer, int32_t repeat_count);
 
void lv_timer_reset(lv_timer_t * timer);
 
void lv_timer_enable(bool en);
 
uint8_t lv_timer_get_idle(void);
 
lv_timer_t * lv_timer_get_next(lv_timer_t * timer);
 
/**********************
 *      MACROS
 **********************/
 
#ifdef __cplusplus
} /*extern "C"*/
#endif
 
#endif