src/include/bcd.h

   1 /*
   2  * This file is part of the coreboot project.
   3  *
   4  * Copyright 2014 Google, Inc.
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; version 2 of the License.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  */
  15
  16 #ifndef _BCD_H_
  17 #define _BCD_H_
  18
  19 #include <stdint.h>
  20
  21 static inline uint8_t bcd2bin(uint8_t val)
  22 {
  23         return ((val >> 4) & 0xf) * 10 + (val & 0xf);
  24 }
  25
  26 static inline uint8_t bin2bcd(uint8_t val)
  27 {
  28         return ((val / 10) << 4) | (val % 10);
  29 }
  30
  31 #endif /* _BCD_H_ */