| /******************************************************************************** |
| * clock_internal.h |
| * |
| * Copyright (C) 2007 Gregory Nutt. All rights reserved. |
| * Author: Gregory Nutt <spudmonkey@racsa.co.cr> |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * 3. Neither the name Gregory Nutt nor the names of its contributors may be |
| * used to endorse or promote products derived from this software |
| * without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
| * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
| * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
| * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
| * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
| * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| * POSSIBILITY OF SUCH DAMAGE. |
| * |
| ********************************************************************************/ |
| |
| #ifndef __CLOCK_INTERNAL_H |
| #define __CLOCK_INTERNAL_H |
| |
| /******************************************************************************** |
| * Included Files |
| ********************************************************************************/ |
| |
| #include <nuttx/config.h> |
| #include <sys/types.h> |
| #include <nuttx/clock.h> |
| #include <nuttx/compiler.h> |
| |
| /******************************************************************************** |
| * Definitions |
| ********************************************************************************/ |
| |
| #define JD_OF_EPOCH 2440588 /* Julian Date of noon, J1970 */ |
| |
| #ifdef CONFIG_JULIAN_TIME |
| |
| # define GREG_DUTC -141427 /* Default is October 15, 1582 */ |
| # define GREG_YEAR 1582 |
| # define GREG_MONTH 10 |
| # define GREG_DAY 15 |
| |
| #endif /* CONFIG_JULIAN_TIME */ |
| |
| /******************************************************************************** |
| * Public Type Definitions |
| ********************************************************************************/ |
| |
| /******************************************************************************** |
| * Global Variables |
| ********************************************************************************/ |
| |
| extern struct timespec g_basetime; |
| extern uint32 g_tickbias; |
| |
| /******************************************************************************** |
| * Public Function Prototypes |
| ********************************************************************************/ |
| |
| extern void weak_function clock_initialize(void); |
| extern void weak_function clock_timer(void); |
| |
| extern time_t clock_calendar2utc(int year, int month, int day); |
| extern int clock_abstime2ticks(clockid_t clockid, const struct timespec *abstime, |
| int *ticks); |
| extern int clock_time2ticks(const struct timespec *reltime, int *ticks); |
| extern int clock_ticks2time(int ticks, struct timespec *reltime); |
| |
| #endif /* __CLOCK_INTERNAL_H */ |
