[people/ms/u-boot.git] / include / bcd.h

/* 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)
{
	return (((val / 10) << 4) | (val % 10));
}

#endif /* _BCD_H */
Commit	Line	Data
758c037a SR	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
e84aba13 AT	6	/* inline functions to translate to/from binary and binary-coded decimal
e84aba13 AT	7	* (frequently found in RTC chips).
758c037a SR	8	*/
	9
	10	#ifndef _BCD_H
	11	#define _BCD_H
	12
be47aa65	13	static inline unsigned int bcd2bin(unsigned int val)
e84aba13	14	{
be47aa65	15	return ((val) & 0x0f) + ((val & 0xff) >> 4) * 10;
e84aba13 AT	16	}
e84aba13 AT	17
be47aa65	18	static inline unsigned int bin2bcd(unsigned int val)
e84aba13 AT	19	{
	20	return (((val / 10) << 4) \| (val % 10));
	21	}
758c037a SR	22
758c037a SR	23	#endif /* _BCD_H */