u-boot/include/bcd.h
Simon Glass be47aa6522 dm: Remove unnecessary types in bcd.h
We don't need to use u8, and if we avoid it, it isn't so much of a problem
that rtc.h includes this header. With this change we can include rtc.h from
sandbox files.

Signed-off-by: Simon Glass <sjg@chromium.org>
2015-05-05 20:58:20 -06:00

23 lines
548 B
C

/* Permission is hereby granted to copy, modify and redistribute this code
* in terms of the GNU Library General Public License, Version 2 or later,
* at your option.
*/
/* inline functions to translate to/from binary and binary-coded decimal
* (frequently found in RTC chips).
*/
#ifndef _BCD_H
#define _BCD_H
static inline unsigned int bcd2bin(unsigned int val)
{
return ((val) & 0x0f) + ((val & 0xff) >> 4) * 10;
}
static inline unsigned int bin2bcd(unsigned int val)
{
return (((val / 10) << 4) | (val % 10));
}
#endif /* _BCD_H */