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/**
* @file lv_hal_tick.h
* Provide access to the system tick with 1 millisecond resolution
*/
#ifndef LV_HAL_TICK_H
#define LV_HAL_TICK_H
#ifdef __cplusplus
extern "C" {
#endif
/*********************
* INCLUDES
*********************/
#include "../lv_conf_internal.h"
#include <stdint.h>
#include <stdbool.h>
/*********************
* DEFINES
*********************/
#ifndef LV_ATTRIBUTE_TICK_INC
#define LV_ATTRIBUTE_TICK_INC
#endif
/**********************
* TYPEDEFS
**********************/
typedef uint32_t (*lv_tick_get_cb_t)(void);
typedef void (*lv_delay_cb_t)(uint32_t ms);
typedef struct {
uint32_t sys_time;
volatile uint8_t sys_irq_flag;
lv_tick_get_cb_t tick_get_cb;
lv_delay_cb_t delay_cb;
} lv_tick_state_t;
/**********************
* GLOBAL PROTOTYPES
**********************/
/**
* You have to call this function periodically
* @param tick_period the call period of this function in milliseconds
*/
LV_ATTRIBUTE_TICK_INC void lv_tick_inc(uint32_t tick_period);
/**
* Get the elapsed milliseconds since start up
* @return the elapsed milliseconds
*/
uint32_t lv_tick_get(void);
/**
* Get the elapsed milliseconds since a previous time stamp
* @param prev_tick a previous time stamp (return value of lv_tick_get() )
* @return the elapsed milliseconds since 'prev_tick'
*/
uint32_t lv_tick_elaps(uint32_t prev_tick);
/**
* Delay for the given milliseconds.
* By default it's a blocking delay, but with `lv_delay_set_cb()`
* a custom delay function can be set too
* @param ms the number of milliseconds to delay
*/
void lv_delay_ms(uint32_t ms);
/**
* Set the custom callback for 'lv_tick_get'
* @param cb call this callback on 'lv_tick_get'
*/
void lv_tick_set_cb(lv_tick_get_cb_t cb);
/**
* Set a custom callback for 'lv_dalay_ms'
* @param cb call this callback in 'lv_dalay_ms'
*/
void lv_delay_set_cb(lv_delay_cb_t cb);
/**********************
* MACROS
**********************/
#ifdef __cplusplus
} /*extern "C"*/
#endif
#endif /*LV_HAL_TICK_H*/
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