FPU HAL

Hardware access layer (HAL) for managing the Floating Point Unit configuration. More...

Enumerations
enum	nrf_fpu_event_t {   NRF_FPU_EVENT_INVALIDOPERATION = offsetof(NRF_FPU_Type, EVENTS_INVALIDOPERATION),   NRF_FPU_EVENT_DIVIDEBYZERO = offsetof(NRF_FPU_Type, EVENTS_DIVIDEBYZERO),   NRF_FPU_EVENT_OVERFLOW = offsetof(NRF_FPU_Type, EVENTS_OVERFLOW),   NRF_FPU_EVENT_UNDERFLOW = offsetof(NRF_FPU_Type, EVENTS_UNDERFLOW),   NRF_FPU_EVENT_INEXACT = offsetof(NRF_FPU_Type, EVENTS_INEXACT),   NRF_FPU_EVENT_DENORMALINPUT = offsetof(NRF_FPU_Type, EVENTS_DENORMALINPUT) }
	FPU events. More...
enum	nrf_fpu_int_mask_t {   NRF_FPU_INT_INVALIDOPERATION = FPU_INTEN_INVALIDOPERATION_Msk,   NRF_FPU_INT_DIVIDEBYZERO = FPU_INTEN_DIVIDEBYZERO_Msk,   NRF_FPU_INT_OVERFLOW = FPU_INTEN_OVERFLOW_Msk,   NRF_FPU_INT_UNDERFLOW = FPU_INTEN_UNDERFLOW_Msk,   NRF_FPU_INT_INEXACT = FPU_INTEN_INEXACT_Msk,   NRF_FPU_INT_DENORMALINPUT = FPU_INTEN_DENORMALINPUT_Msk }
	FPU interrupts. More...

Functions
NRF_STATIC_INLINE void	nrf_fpu_event_clear (NRF_FPU_Type *p_reg, nrf_fpu_event_t event)
	Function for clearing the specified FPU event. More...
NRF_STATIC_INLINE bool	nrf_fpu_event_check (NRF_FPU_Type const *p_reg, nrf_fpu_event_t event)
	Function for retrieving the state of the FPU event. More...
NRF_STATIC_INLINE void	nrf_fpu_int_enable (NRF_FPU_Type *p_reg, uint32_t mask)
	Function for enabling specified interrupts. More...
NRF_STATIC_INLINE void	nrf_fpu_int_disable (NRF_FPU_Type *p_reg, uint32_t mask)
	Function for disabling specified interrupts. More...
NRF_STATIC_INLINE uint32_t	nrf_fpu_int_enable_check (NRF_FPU_Type const *p_reg, uint32_t mask)
	Function for checking if the specified interrupts are enabled. More...

Detailed Description

Hardware access layer (HAL) for managing the Floating Point Unit configuration.

Enumeration Type Documentation

nrf_fpu_event_t

enum nrf_fpu_event_t

FPU events.

Enumerator
NRF_FPU_EVENT_INVALIDOPERATION	An FPUIOC exception triggered by an invalid operation has occurred in the FPU.
NRF_FPU_EVENT_DIVIDEBYZERO	An FPUDZC exception triggered by a floating-point divide-by-zero operation has occurred in the FPU.
NRF_FPU_EVENT_OVERFLOW	An FPUOFC exception triggered by a floating-point overflow has occurred in the FPU.
NRF_FPU_EVENT_UNDERFLOW	An FPUUFC exception triggered by a floating-point underflow has occurred in the FPU.
NRF_FPU_EVENT_INEXACT	An FPUIXC exception triggered by an inexact floating-point operation has occurred in the FPU.
NRF_FPU_EVENT_DENORMALINPUT	An FPUIDC exception triggered by a denormal floating-point input has occurred in the FPU.

nrf_fpu_int_mask_t

enum nrf_fpu_int_mask_t

FPU interrupts.

Enumerator
NRF_FPU_INT_INVALIDOPERATION	Interrupt on event INVALIDOPERATION.
NRF_FPU_INT_DIVIDEBYZERO	Interrupt on event DIVIDEBYZERO.
NRF_FPU_INT_OVERFLOW	Interrupt on event OVERFLOW.
NRF_FPU_INT_UNDERFLOW	Interrupt on event UNDERFLOW.
NRF_FPU_INT_INEXACT	Interrupt on event INEXACT.
NRF_FPU_INT_DENORMALINPUT	Interrupt on event DENORMALINPUT.

Function Documentation

nrf_fpu_event_check()

NRF_STATIC_INLINE bool nrf_fpu_event_check	(	NRF_FPU_Type const *	p_reg,
		nrf_fpu_event_t	event
	)

Function for retrieving the state of the FPU event.

Parameters

[in]	p_reg	Pointer to the structure of registers of the peripheral.
[in]	event	Event to be checked.

Return values

true	The event has been generated.
false	The event has not been generated.

nrf_fpu_event_clear()

NRF_STATIC_INLINE void nrf_fpu_event_clear	(	NRF_FPU_Type *	p_reg,
		nrf_fpu_event_t	event
	)

Function for clearing the specified FPU event.

Parameters

[in]	p_reg	Pointer to the structure of registers of the peripheral.
[in]	event	Event to be cleared.

nrf_fpu_int_disable()

NRF_STATIC_INLINE void nrf_fpu_int_disable	(	NRF_FPU_Type *	p_reg,
		uint32_t	mask
	)

Function for disabling specified interrupts.

Parameters

[in]	p_reg	Pointer to the structure of registers of the peripheral.
[in]	mask	Mask of interrupts to be disabled.

nrf_fpu_int_enable()

NRF_STATIC_INLINE void nrf_fpu_int_enable	(	NRF_FPU_Type *	p_reg,
		uint32_t	mask
	)

Function for enabling specified interrupts.

Parameters

[in]	p_reg	Pointer to the structure of registers of the peripheral.
[in]	mask	Mask of interrupts to be enabled.

nrf_fpu_int_enable_check()

NRF_STATIC_INLINE uint32_t nrf_fpu_int_enable_check	(	NRF_FPU_Type const *	p_reg,
		uint32_t	mask
	)

Function for checking if the specified interrupts are enabled.

Parameters

[in]	p_reg	Pointer to the structure of registers of the peripheral.
[in]	mask	Mask of interrupts to be checked.

Returns

Mask of enabled interrupts.