blob: 7ac518e3c152d9da46f53ed097adb3019245dd5f (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
|
/* 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.
*/
/* macros to translate to/from binary and binary-coded decimal (frequently
* found in RTC chips).
*/
#ifndef _BCD_H
#define _BCD_H
#include <linux/compiler.h>
unsigned bcd2bin(unsigned char val) __attribute_const__;
unsigned char bin2bcd(unsigned val) __attribute_const__;
#define BCD2BIN(val) bcd2bin(val)
#define BIN2BCD(val) bin2bcd(val)
/* backwards compat */
#define BCD_TO_BIN(val) ((val)=BCD2BIN(val))
#define BIN_TO_BCD(val) ((val)=BIN2BCD(val))
#endif /* _BCD_H */
|
