67 lines
1.1 KiB
C
67 lines
1.1 KiB
C
/*
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* Copyright (C) 2007-2009 Apple Inc. All rights reserved.
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* Copyright (C) 2006 Apple Computer, Inc. All rights reserved.
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*
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* This document is the property of Apple Inc.
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* It is considered confidential and proprietary.
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*
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* This document may not be reproduced or transmitted in any form,
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* in whole or in part, without the express written permission of
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* Apple Inc.
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*/
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#include <lib/libc.h> /* for __unused */
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#include <sys.h>
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#include <platform/timer.h>
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#include <drivers/power.h>
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#if WITH_HW_TIMER
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utime_t system_time(void)
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{
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return timer_ticks_to_usecs(timer_get_ticks());
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}
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bool time_has_elapsed(utime_t start_time, utime_t timeout)
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{
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return ((system_time() - start_time) >= timeout) ? true : false;
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}
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void spin(utime_t usecs)
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{
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utime_t t;
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t = system_time();
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while (system_time() - t < usecs)
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;
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}
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#else
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utime_t system_time(void)
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{
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return 0;
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}
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bool time_has_elapsed(utime_t start_time __unused, utime_t timeout __unused)
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{
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return true;
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}
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void spin(utime_t usecs __unused)
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{
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}
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#endif
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#if WITH_HW_POWER
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utime_t calendar_time(void)
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{
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return power_get_calendar_time();
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}
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#else
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utime_t calendar_time(void)
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{
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return 0;
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}
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#endif |