Edit File: bcd.h
#ifndef _BCD_H #define _BCD_H #include <linux/compiler.h> #define bcd2bin(x) \ (__builtin_constant_p((u8 )(x)) ? \ const_bcd2bin(x) : \ _bcd2bin(x)) #define bin2bcd(x) \ (__builtin_constant_p((u8 )(x)) ? \ const_bin2bcd(x) : \ _bin2bcd(x)) #define const_bcd2bin(x) (((x) & 0x0f) + ((x) >> 4) * 10) #define const_bin2bcd(x) ((((x) / 10) << 4) + (x) % 10) unsigned _bcd2bin(unsigned char val) __attribute_const__; unsigned char _bin2bcd(unsigned val) __attribute_const__; #endif /* _BCD_H */