| /* 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) |
| { |
| const unsigned int t = (val * 103) >> 10; |
| |
| return (t << 4) | (val - t * 10); |
| } |
| |
| #endif /* _BCD_H */ |
