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24 lines
548 B
24 lines
548 B
4 months ago
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/* Permission is hereby granted to copy, modify and redistribute this code
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* in terms of the GNU Library General Public License, Version 2 or later,
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* at your option.
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*/
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/* inline functions to translate to/from binary and binary-coded decimal
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* (frequently found in RTC chips).
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*/
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#ifndef _BCD_H
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#define _BCD_H
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static inline unsigned int bcd2bin(unsigned int val)
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{
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return ((val) & 0x0f) + ((val & 0xff) >> 4) * 10;
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}
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static inline unsigned int bin2bcd(unsigned int val)
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{
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return (((val / 10) << 4) | (val % 10));
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}
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#endif /* _BCD_H */
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