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91 lines
3.7 KiB
91 lines
3.7 KiB
/******************************************************************************** |
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* sched/clock_internal.h |
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* |
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* Copyright (C) 2007-2009 Gregory Nutt. All rights reserved. |
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* Author: Gregory Nutt <gnutt@nuttx.org> |
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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 |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* 3. Neither the name NuttX nor the names of its contributors may be |
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* used to endorse or promote products derived from this software |
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* without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
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* 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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********************************************************************************/ |
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#ifndef __SCHED_CLOCK_INTERNAL_H |
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#define __SCHED_CLOCK_INTERNAL_H |
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/******************************************************************************** |
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* Included Files |
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********************************************************************************/ |
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#include <nuttx/config.h> |
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#include <stdint.h> |
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#include <nuttx/clock.h> |
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#include <nuttx/compiler.h> |
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/******************************************************************************** |
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* Pre-processor Definitions |
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********************************************************************************/ |
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/* Configuration ************************************************************/ |
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/* If CONFIG_SYSTEM_TIME64 is selected and the CPU supports long long types, |
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* then a 64-bit system time will be used. |
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*/ |
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#ifndef CONFIG_HAVE_LONG_LONG |
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# undef CONFIG_SYSTEM_TIME64 |
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#endif |
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/******************************************************************************** |
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* Public Type Definitions |
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********************************************************************************/ |
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/******************************************************************************** |
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* Global Variables |
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********************************************************************************/ |
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#ifdef CONFIG_SYSTEM_TIME64 |
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extern uint64_t g_tickbias; |
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#else |
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extern uint32_t g_tickbias; |
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#endif |
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extern struct timespec g_basetime; |
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/******************************************************************************** |
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* Public Function Prototypes |
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********************************************************************************/ |
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void weak_function clock_initialize(void); |
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void weak_function clock_timer(void); |
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int clock_abstime2ticks(clockid_t clockid, |
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FAR const struct timespec *abstime, |
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FAR int *ticks); |
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int clock_time2ticks(FAR const struct timespec *reltime, FAR int *ticks); |
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int clock_ticks2time(int ticks, FAR struct timespec *reltime); |
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#endif /* __SCHED_CLOCK_INTERNAL_H */
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