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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 */