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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.
*/
/* 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 */
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