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39 lines
798 B
39 lines
798 B
/*
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* Copyright (c) 2006-2023, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2023-07-10 xqyjlj The first version.
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*/
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#include "gtimer.h"
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#include "ktime.h"
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static volatile unsigned long _init_cnt = 0;
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unsigned long rt_ktime_cputimer_getres(void)
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{
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return ((1000UL * 1000 * 1000) * RT_KTIME_RESMUL) / rt_hw_get_gtimer_frq();
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}
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unsigned long rt_ktime_cputimer_getfrq(void)
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{
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return rt_hw_get_gtimer_frq();
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}
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unsigned long rt_ktime_cputimer_getcnt(void)
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{
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return rt_hw_get_cntpct_val() - _init_cnt;
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}
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unsigned long rt_ktime_cputimer_getstep(void)
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{
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return rt_ktime_cputimer_getfrq() / RT_TICK_PER_SECOND;
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}
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void rt_ktime_cputimer_init(void)
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{
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_init_cnt = rt_hw_get_cntpct_val();
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}
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