LXR uboot/include/bcd.h

   1/* Permission is hereby granted to copy, modify and redistribute this code
   2 * in terms of the GNU Library General Public License, Version 2 or later,
   3 * at your option.
   4 */
   5
   6/* inline functions to translate to/from binary and binary-coded decimal
   7 * (frequently found in RTC chips).
   8 */
   9
  10#ifndef _BCD_H
  11#define _BCD_H
  12
  13static inline unsigned int bcd2bin(unsigned int val)
  14{
  15        return ((val) & 0x0f) + ((val & 0xff) >> 4) * 10;
  16}
  17
  18static inline unsigned int bin2bcd(unsigned int val)
  19{
  20        return (((val / 10) << 4) | (val % 10));
  21}
  22
  23#endif /* _BCD_H */
  24