65 lines
1.3 KiB
C
65 lines
1.3 KiB
C
/*
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File Name : yc_systick.h
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Author : Yichip
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Version : V1.0
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Date : 2018/03/27
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Description : systick encapsulation.
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*/
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#ifndef __YC_SYSTICK_H__
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#define __YC_SYSTICK_H__
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#include "..\core\yc3121.h"
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#define SYSTICK_SYSCLOCK 1
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#define SYSTICK_HALF_SYSCLOCK 0
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#define IS_RELOAD_VALUE(x) (x>0&&x<=0xffffff)
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typedef int32_t tick;
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#define TICK_MAX_VALUE (int32_t)0x7FFFFFFF
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void Systick_Dealy_Ms(uint32_t MS);
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/**
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* @brief Initialize systick and start systick
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*
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* @param ReloadValue : the systick reload value
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*
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* @retval 0:succeed 1:error
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*/
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uint32_t SysTick_Config(uint32_t ReloadValue);
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/**
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* @brief get the current value of SystickCount(SystickCount plus one for every overflow interrupt)
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*
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* @param none
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*
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* @retval current value of SystickCount
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*/
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tick SysTick_GetTick(void);
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/**
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* @brief Determine whether the timeout that millisecond.
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*
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* @param start_tick:start tick
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*
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* @param interval:time interval(ms)
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*
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* @retval TRUE is timeout ,FALSE is not timeout
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*/
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Boolean SysTick_IsTimeOut(tick start_tick,int interval);
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/**
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* @brief get relative time .
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*
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* @param start_tick:start tick(start time)
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*
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* @retval the relative time(millisecond)
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*/
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uint32_t SysTick_GetRelativeTime(tick start_tick);
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#endif /* __YC_SYSTICK_H__ */
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