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/* 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 */
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