This module implements C11 stdatomic.h simplified API. At this point only Cortex-M3/M4 cores are supported (LDREX/STREX instructions). Atomic types are limited to nrf_atomic_u32_t and nrf_atomic_flag_t . More...

Modules
	Atomic operations internals

Macros
#define	NRF_ATOMIC_USE_BUILD_IN 0

Typedefs
typedef volatile uint32_t	nrf_atomic_u32_t
	Atomic 32 bit unsigned type.

typedef volatile uint32_t	nrf_atomic_flag_t
	Atomic 1 bit flag type (technically 32 bit)

Functions
static uint32_t	nrf_atomic_u32_fetch_store ( nrf_atomic_u32_t *p_data, uint32_t value)
	Stores value to an atomic object. More...

static uint32_t	nrf_atomic_u32_store ( nrf_atomic_u32_t *p_data, uint32_t value)
	Stores value to an atomic object. More...

static uint32_t	nrf_atomic_u32_fetch_or ( nrf_atomic_u32_t *p_data, uint32_t value)
	Logical OR operation on an atomic object. More...

static uint32_t	nrf_atomic_u32_or ( nrf_atomic_u32_t *p_data, uint32_t value)
	Logical OR operation on an atomic object. More...

static uint32_t	nrf_atomic_u32_fetch_and ( nrf_atomic_u32_t *p_data, uint32_t value)
	Logical AND operation on an atomic object. More...

static uint32_t	nrf_atomic_u32_and ( nrf_atomic_u32_t *p_data, uint32_t value)
	Logical AND operation on an atomic object. More...

static uint32_t	nrf_atomic_u32_fetch_xor ( nrf_atomic_u32_t *p_data, uint32_t value)
	Logical XOR operation on an atomic object. More...

static uint32_t	nrf_atomic_u32_xor ( nrf_atomic_u32_t *p_data, uint32_t value)
	Logical XOR operation on an atomic object. More...

static uint32_t	nrf_atomic_u32_fetch_add ( nrf_atomic_u32_t *p_data, uint32_t value)
	Arithmetic ADD operation on an atomic object. More...

static uint32_t	nrf_atomic_u32_add ( nrf_atomic_u32_t *p_data, uint32_t value)
	Arithmetic ADD operation on an atomic object. More...

static uint32_t	nrf_atomic_u32_fetch_sub ( nrf_atomic_u32_t *p_data, uint32_t value)
	Arithmetic SUB operation on an atomic object. More...

static uint32_t	nrf_atomic_u32_sub ( nrf_atomic_u32_t *p_data, uint32_t value)
	Arithmetic SUB operation on an atomic object. More...

static uint32_t	nrf_atomic_flag_set_fetch ( nrf_atomic_flag_t *p_data)
	Logic one bit flag set operation on an atomic object. More...

static uint32_t	nrf_atomic_flag_set ( nrf_atomic_flag_t *p_data)
	Logic one bit flag set operation on an atomic object. More...

static uint32_t	nrf_atomic_flag_clear_fetch ( nrf_atomic_flag_t *p_data)
	Logic one bit flag clear operation on an atomic object. More...

static uint32_t	nrf_atomic_flag_clear ( nrf_atomic_flag_t *p_data)
	Logic one bit flag clear operation on an atomic object. More...

Detailed Description

This module implements C11 stdatomic.h simplified API. At this point only Cortex-M3/M4 cores are supported (LDREX/STREX instructions). Atomic types are limited to nrf_atomic_u32_t and nrf_atomic_flag_t .

Function Documentation

static uint32_t nrf_atomic_flag_clear ( nrf_atomic_flag_t * p_data )

inline static

Logic one bit flag clear operation on an atomic object.

Parameters

[in] p_data Atomic flag memory pointer

Returns: New flag value

static uint32_t nrf_atomic_flag_clear_fetch ( nrf_atomic_flag_t * p_data )

inline static

Logic one bit flag clear operation on an atomic object.

Parameters

[in] p_data Atomic flag memory pointer

Returns: Old flag value

static uint32_t nrf_atomic_flag_set ( nrf_atomic_flag_t * p_data )

inline static

Logic one bit flag set operation on an atomic object.

Parameters

[in] p_data Atomic flag memory pointer

Returns: New flag value

static uint32_t nrf_atomic_flag_set_fetch ( nrf_atomic_flag_t * p_data )

inline static

Logic one bit flag set operation on an atomic object.

Parameters

[in] p_data Atomic flag memory pointer

Returns: Old flag value

static uint32_t nrf_atomic_u32_add	(	nrf_atomic_u32_t *	p_data ,
		uint32_t	value
	)

inline static

Arithmetic ADD operation on an atomic object.

Parameters

[in]	p_data	Atomic memory pointer
[in]	value	Value of second operand ADD operation

Returns: New value stored into atomic object

static uint32_t nrf_atomic_u32_and	(	nrf_atomic_u32_t *	p_data ,
		uint32_t	value
	)

inline static

Logical AND operation on an atomic object.

Parameters

[in]	p_data	Atomic memory pointer
[in]	value	Value of second operand AND operation

Returns: New value stored into atomic object

static uint32_t nrf_atomic_u32_fetch_add	(	nrf_atomic_u32_t *	p_data ,
		uint32_t	value
	)

inline static

Arithmetic ADD operation on an atomic object.

Parameters

[in]	p_data	Atomic memory pointer
[in]	value	Value of second operand ADD operation

Returns: Old value stored into atomic object

static uint32_t nrf_atomic_u32_fetch_and	(	nrf_atomic_u32_t *	p_data ,
		uint32_t	value
	)

inline static

Logical AND operation on an atomic object.

Parameters

[in]	p_data	Atomic memory pointer
[in]	value	Value of second operand AND operation

Returns: Old value stored into atomic object

static uint32_t nrf_atomic_u32_fetch_or	(	nrf_atomic_u32_t *	p_data ,
		uint32_t	value
	)

inline static

Logical OR operation on an atomic object.

Parameters

[in]	p_data	Atomic memory pointer
[in]	value	Value of second operand OR operation

Returns: Old value stored into atomic object

static uint32_t nrf_atomic_u32_fetch_store	(	nrf_atomic_u32_t *	p_data ,
		uint32_t	value
	)

inline static

Stores value to an atomic object.

Parameters

[in]	p_data	Atomic memory pointer
[in]	value	Value to store

Returns: Old value stored into atomic object

static uint32_t nrf_atomic_u32_fetch_sub	(	nrf_atomic_u32_t *	p_data ,
		uint32_t	value
	)

inline static

Arithmetic SUB operation on an atomic object.

Parameters

[in]	p_data	Atomic memory pointer
[in]	value	Value of second operand SUB operation

Returns: Old value stored into atomic object

static uint32_t nrf_atomic_u32_fetch_xor	(	nrf_atomic_u32_t *	p_data ,
		uint32_t	value
	)

inline static

Logical XOR operation on an atomic object.

Parameters

[in]	p_data	Atomic memory pointer
[in]	value	Value of second operand XOR operation

Returns: Old value stored into atomic object

static uint32_t nrf_atomic_u32_or	(	nrf_atomic_u32_t *	p_data ,
		uint32_t	value
	)

inline static

Logical OR operation on an atomic object.

Parameters

[in]	p_data	Atomic memory pointer
[in]	value	Value of second operand OR operation

Returns: New value stored into atomic object

static uint32_t nrf_atomic_u32_store	(	nrf_atomic_u32_t *	p_data ,
		uint32_t	value
	)

inline static

Stores value to an atomic object.

Parameters

[in]	p_data	Atomic memory pointer
[in]	value	Value to store

Returns: New value stored into atomic object

static uint32_t nrf_atomic_u32_sub	(	nrf_atomic_u32_t *	p_data ,
		uint32_t	value
	)

inline static

Arithmetic SUB operation on an atomic object.

Parameters

[in]	p_data	Atomic memory pointer
[in]	value	Value of second operand SUB operation

Returns: New value stored into atomic object

static uint32_t nrf_atomic_u32_xor	(	nrf_atomic_u32_t *	p_data ,
		uint32_t	value
	)

inline static

Logical XOR operation on an atomic object.

Parameters

[in]	p_data	Atomic memory pointer
[in]	value	Value of second operand XOR operation

Returns: New value stored into atomic object

Atomic operations API

nRF5 SDK v14.2.0

Modules

Macros

Typedefs

Functions

Detailed Description

Function Documentation