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BernardXiong
341f78fed7
1. Use float type for clock_cpu_getres() return value; 2. Add clock_cpu_microsecond/millisecond APIs.
43 lines
1.3 KiB
C
43 lines
1.3 KiB
C
/*
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* File : cputime.h
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* This file is part of RT-Thread RTOS
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* COPYRIGHT (C) 2017, RT-Thread Development Team
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Change Logs:
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* Date Author Notes
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* 2017-12-23 Bernard first version
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*/
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#ifndef CPUTIME_H__
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#define CPUTIME_H__
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struct rt_clock_cputime_ops
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{
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float (*cputime_getres) (void);
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uint32_t (*cputime_gettime)(void);
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};
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float clock_cpu_getres(void);
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uint32_t clock_cpu_gettime(void);
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uint32_t clock_cpu_microsecond(uint32_t cpu_tick);
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uint32_t clock_cpu_millisecond(uint32_t cpu_tick);
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int clock_cpu_setops(const struct rt_clock_cputime_ops *ops);
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#endif
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