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| author | Markus Klotzbuecher <mk@denx.de> | 2008-01-09 13:57:10 +0100 |
|---|---|---|
| committer | Markus Klotzbuecher <mk@denx.de> | 2008-01-09 13:57:10 +0100 |
| commit | 6a40ef62c4300e9f606deef0a4618cbc4b514a51 (patch) | |
| tree | c01bdd0e773d092f13af05567fa92fb9072df9e0 /include/bcd.h | |
| parent | 245a362ad3c0c1b84fccc9fec7b623eb14f6e502 (diff) | |
| parent | 07eb02687f008721974a2fb54cd7fdc28033ab3c (diff) | |
| download | u-boot-6a40ef62c4300e9f606deef0a4618cbc4b514a51.tar.gz u-boot-6a40ef62c4300e9f606deef0a4618cbc4b514a51.tar.xz u-boot-6a40ef62c4300e9f606deef0a4618cbc4b514a51.zip | |
Merge git://www.denx.de/git/u-boot
Conflicts:
board/tqm5200/tqm5200.c
Diffstat (limited to 'include/bcd.h')
| -rw-r--r-- | include/bcd.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/include/bcd.h b/include/bcd.h new file mode 100644 index 0000000000..c545308125 --- /dev/null +++ b/include/bcd.h @@ -0,0 +1,20 @@ +/* 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 + +#define BCD2BIN(val) (((val) & 0x0f) + ((val)>>4)*10) +#define BIN2BCD(val) ((((val)/10)<<4) + (val)%10) + +/* backwards compat */ +#define BCD_TO_BIN(val) ((val)=BCD2BIN(val)) +#define BIN_TO_BCD(val) ((val)=BIN2BCD(val)) + +#endif /* _BCD_H */ |