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New time functions

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@2861 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Linus Nielsen Feltzing 2002-11-20 00:00:25 +00:00
parent d703389780
commit 85969853d5
2 changed files with 97 additions and 0 deletions
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53
firmware/common/timefuncs.c Normal file
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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2002 by Linus Nielsen Feltzing
*
* All files in this archive are subject to the GNU General Public License.
* See the file COPYING in the source tree root for full license agreement.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include "config.h"
#include "rtc.h"
#include "time.h"
#include "debug.h"
static struct tm tm;
struct tm *get_time(void)
{
char rtcbuf[8];
int i;
/* We don't need the first byte, but we want the indexes in the
buffer to match the data sheet */
rtc_read_multiple(1, &rtcbuf[1], 7);
for(i = 0;i < 7;i++)
{
DEBUGF("%02x ", rtcbuf[i]);
}
DEBUGF("\n");
tm.tm_sec = ((rtcbuf[1] & 0x70) >> 4) * 10 + (rtcbuf[1] & 0x0f);
tm.tm_min = ((rtcbuf[2] & 0x70) >> 4) * 10 + (rtcbuf[2] & 0x0f);
tm.tm_hour = ((rtcbuf[3] & 0x30) >> 4) * 10 + (rtcbuf[3] & 0x0f);
tm.tm_mday = ((rtcbuf[5] & 0x30) >> 4) * 10 + (rtcbuf[5] & 0x0f);
tm.tm_mon = ((rtcbuf[6] & 0x10) >> 4) * 10 + (rtcbuf[6] & 0x0f);
tm.tm_year = ((rtcbuf[7] & 0xf0) >> 4) * 10 + (rtcbuf[7] & 0x0f) + 2000;
tm.tm_wday = rtcbuf[4] & 0x07;
tm.tm_yday = 0; /* Not implemented for now */
tm.tm_isdst = -1; /* Not implemented for now */
return &tm;
}

44
firmware/common/timefuncs.h Normal file
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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2002 by Linus Nielsen Feltzing
*
* All files in this archive are subject to the GNU General Public License.
* See the file COPYING in the source tree root for full license agreement.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#ifndef _TIMEFUNCS_H_
#define _TIMEFUNCS_H_
#include "config.h"
#ifndef SIMULATOR
struct tm
{
int tm_sec; /* seconds */
int tm_min; /* minutes */
int tm_hour; /* hours */
int tm_mday; /* day of the month */
int tm_mon; /* month */
int tm_year; /* year */
int tm_wday; /* day of the week */
int tm_yday; /* day in the year */
int tm_isdst; /* daylight saving time */
};
#endif
struct tm *get_time(void);
#endif /* _TIMEFUNCS_H_ */