79 lines
2.7 KiB
C
79 lines
2.7 KiB
C
/* microkernel/ticks.h - microkernel tick header file */
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/*
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* Copyright (c) 1997-2015 Wind River Systems, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1) Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2) Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3) Neither the name of Wind River Systems nor the names of its contributors
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* may be used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef TICKS_H
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#define TICKS_H
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#include <nanokernel.h>
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#include <sys_clock.h>
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/* externs */
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern void sys_scheduler_time_slice_set(int32_t t, kpriority_t p);
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extern uint32_t task_cycle_get_32(void);
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extern int32_t task_tick_get_32(void);
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extern int64_t task_tick_get(void);
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extern ktimer_t task_timer_alloc(void);
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extern void task_timer_free(ktimer_t timer);
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extern void task_timer_start(ktimer_t timer,
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int32_t duration,
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int32_t period,
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ksem_t sema);
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extern void task_timer_restart(ktimer_t timer,
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int32_t duration,
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int32_t period);
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extern void task_timer_stop(ktimer_t timer);
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extern int64_t task_tick_delta(int64_t *reftime);
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static inline int32_t task_tick_delta_32(int64_t *reftime)
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{
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return (int32_t)task_tick_delta(reftime);
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}
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extern void task_sleep(int32_t ticks);
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extern int task_workload_get(void);
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extern void sys_workload_time_slice_set(int32_t t);
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#define isr_cycle_get_32() task_cycle_get_32()
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#define isr_tick_get_32() task_tick_get_32()
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#define isr_tick_get() task_tick_get()
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#ifdef __cplusplus
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}
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#endif
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#endif /* TICKS_H */
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