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增加rt_delta_tick_get函数 #10307

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htl5241 wants to merge 1 commit into from
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增加rt_delta_tick_get函数 #10307

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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_delta_tick_get(rt_tick_t last_time);
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@BernardXiong BernardXiong May 21, 2025

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这里的函数名风格和RT-Thread的函数名风格不一致

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@htl5241 htl5241 May 21, 2025

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你给个范例

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@htl5241 htl5241 May 21, 2025

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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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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 last_time.
*
* @param last_time to consider
*
* @return Return delta tick.
*/
rt_tick_t rt_delta_tick_get(rt_tick_t last_time)
{
rt_tick_t delta;
rt_tick_t tnow = rt_tick_get();
if (tnow >= last_time)
delta = tnow - last_time;
else
delta = RT_TICK_MAX - last_time + tnow + 1;
return delta;
}
RTM_EXPORT(rt_delta_tick_get);

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