90 lines
3.5 KiB
C

/*****************************************************************************\
* efs - General purpose Embedded Filesystem library *
* --------------------- ----------------------------------- *
* *
* Filename : time.c *
* Description : This file contains functions for time support *
* *
* This program is free software; you can redistribute it and/or *
* modify it under the terms of the GNU General Public License *
* as published by the Free Software Foundation; version 2 *
* of the License. *
*
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* As a special exception, if other files instantiate templates or *
* use macros or inline functions from this file, or you compile this *
* file and link it with other works to produce a work based on this file, *
* this file does not by itself cause the resulting work to be covered *
* by the GNU General Public License. However the source code for this *
* file must still be made available in accordance with section (3) of *
* the GNU General Public License. *
* *
* This exception does not invalidate any other reasons why a work based *
* on this file might be covered by the GNU General Public License. *
* *
* (c)2006 Lennart Yseboodt *
* (c)2006 Michael De Nil *
\*****************************************************************************/
/*****************************************************************************/
#include "time.h"
#include "fs.h"
/*****************************************************************************/
euint16 fs_makeDate(void)
{
#ifndef DATE_TIME_SUPPORT
return(0);
#else
euint8 m,d;
euint16 y;
y = time_getYear()-1980;
m = time_getMonth();
d = time_getDay();
return(
(y>127?127<<9:(y&0x3F)<<9) |
((m==0||m>12)?1:(m&0xF)<<5) |
((d==0||d>31)?1:(d&0x1F))
);
#endif
}
/*****************************************************************************/
euint16 fs_makeTime(void)
{
#ifndef DATE_TIME_SUPPORT
return(0);
#else
euint8 s,m,h;
s = time_getSecond();
m = time_getMinute();
h = time_getHour();
return(
(h>23?0:(h&0x1F)<<11) |
(m>59?0:(m&0x3F)<<5) |
(s>59?0:(s-s%2)/2)
);
#endif
}
/*****************************************************************************/
euint8 fs_hasTimeSupport(void)
{
#ifdef DATE_TIME_SUPPORT
return(1);
#else
return(0);
#endif
}
/*****************************************************************************/