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ATOMIC_MODIFY_REG
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STM32 Libraries and Samples
CMSIS
ATOMIC_MODIFY_REG
ATOMIC_MODIFY_REG macro
Syntax
Show:
Summary
Declaration
from
stm32f4xx.h:247
#define
ATOMIC_MODIFY_REG
(
REG
,
CLEARMSK
,
SETMASK
)
\
do
{
\
uint32_t
val
;
\
do
{
\
val
=
(
__LDREXW
(
(
__IO
uint32_t
*
)
&
(
REG
)
)
&
~
(
CLEARMSK
)
)
|
(
SETMASK
)
;
\
}
while
(
(
__STREXW
(
val
,
(
__IO
uint32_t
*
)
&
(
REG
)
)
)
!=
0U
)
;
\
}
while
(
0
)
Arguments
Argument
REG
CLEARMSK
SETMASK
Examples
ATOMIC_MODIFY_REG
is referenced by 1 libraries and example projects:
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