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docs: start a document to describe D-Bus usage
[qemu/ar7.git]
/
include
/
qemu
/
bcd.h
blob
dfebacf1fc38a82d8375632a66494636e2288287
1
#ifndef QEMU_BCD_H
2
#define QEMU_BCD_H
3
4
/* Convert a byte between binary and BCD. */
5
static
inline
uint8_t
to_bcd
(
uint8_t
val
)
6
{
7
return
((
val
/
10
) <<
4
) | (
val
%
10
);
8
}
9
10
static
inline
uint8_t
from_bcd
(
uint8_t
val
)
11
{
12
return
((
val
>>
4
) *
10
) + (
val
&
0x0f
);
13
}
14
15
#endif