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添加 rt_tick_get_delta 函数 #10309

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Merged
Rbb666 merged 3 commits into from
May 23, 2025
Merged

添加 rt_tick_get_delta 函数 #10309

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0a263cb
添加 rt_tick_get_delta 函数
htl5241 May 22, 2025
bb7b523
更新 rt_tick_get_delta
htl5241 May 22, 2025
cfd5eba
更新
htl5241 May 22, 2025
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1 change: 1 addition & 0 deletions include/rtthread.h
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Original file line number Diff line number Diff line change
Expand Up @@ -98,6 +98,7 @@ void rt_object_put_sethook(void (*hook)(struct rt_object *object));
* clock & timer interface
*/
rt_tick_t rt_tick_get(void);
rt_tick_t rt_tick_get_delta(rt_tick_t base);
void rt_tick_set(rt_tick_t tick);
void rt_tick_increase(void);
void rt_tick_increase_tick(rt_tick_t tick);
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19 changes: 19 additions & 0 deletions src/clock.c
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Original file line number Diff line number Diff line change
Expand Up @@ -73,6 +73,25 @@ rt_tick_t rt_tick_get(void)
}
RTM_EXPORT(rt_tick_get);

/**
* @brief This function will return delta tick from base.
*
* @param base to consider
*
* @return Return delta tick.
*/
rt_tick_t rt_tick_get_delta(rt_tick_t base)
{
rt_tick_t delta;
rt_tick_t tnow = rt_tick_get();
if (tnow >= base)
delta = tnow - base;
else
delta = RT_TICK_MAX - base + tnow + 1;
return delta;
}
RTM_EXPORT(rt_tick_get_delta);

/**
* @brief This function will set current tick.
*
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