mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-08-31 22:39:08 +09:00
21 lines
548 B
C
21 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.
|
||
|
*/
|
||
|
|
||
|
/* macros to translate to/from binary and binary-coded decimal (frequently
|
||
|
* found in RTC chips).
|
||
|
*/
|
||
|
|
||
|
#ifndef _BCD_H
|
||
|
#define _BCD_H
|
||
|
|
||
|
#define BCD2BIN(val) (((val) & 0x0f) + ((val)>>4)*10)
|
||
|
#define BIN2BCD(val) ((((val)/10)<<4) + (val)%10)
|
||
|
|
||
|
/* backwards compat */
|
||
|
#define BCD_TO_BIN(val) ((val)=BCD2BIN(val))
|
||
|
#define BIN_TO_BCD(val) ((val)=BIN2BCD(val))
|
||
|
|
||
|
#endif /* _BCD_H */
|