CMSIS Core Register Access Functions

Collaboration diagram for CMSIS Core Register Access Functions:

Macros
#define	__get_FPSCR()   ((uint32_t)0U)
	Get FPSCR. More...
#define	__set_FPSCR(fpscr)   ((void)(fpscr))
	Set FPSCR. More...

Functions
__STATIC_FORCEINLINE void	__enable_irq (void)
	Enable IRQ Interrupts. More...
__STATIC_FORCEINLINE void	__disable_irq (void)
	Disable IRQ Interrupts. More...
__STATIC_FORCEINLINE uint32_t	__get_CONTROL (void)
	Get Control Register. More...
__STATIC_FORCEINLINE void	__set_CONTROL (uint32_t control)
	Set Control Register. More...
__STATIC_FORCEINLINE uint32_t	__get_IPSR (void)
	Get IPSR Register. More...
__STATIC_FORCEINLINE uint32_t	__get_APSR (void)
	Get APSR Register. More...
__STATIC_FORCEINLINE uint32_t	__get_xPSR (void)
	Get xPSR Register. More...
__STATIC_FORCEINLINE uint32_t	__get_PSP (void)
	Get Process Stack Pointer. More...
__STATIC_FORCEINLINE void	__set_PSP (uint32_t topOfProcStack)
	Set Process Stack Pointer. More...
__STATIC_FORCEINLINE uint32_t	__get_MSP (void)
	Get Main Stack Pointer. More...
__STATIC_FORCEINLINE void	__set_MSP (uint32_t topOfMainStack)
	Set Main Stack Pointer. More...
__STATIC_FORCEINLINE uint32_t	__get_PRIMASK (void)
	Get Priority Mask. More...
__STATIC_FORCEINLINE void	__set_PRIMASK (uint32_t priMask)
	Set Priority Mask. More...
__STATIC_FORCEINLINE uint32_t	__get_FPSCR (void)
	Get FPSCR. More...
__STATIC_FORCEINLINE void	__set_FPSCR (uint32_t fpscr)
	Set FPSCR. More...

Detailed Description

Macro Definition Documentation

__get_FPSCR

#define __get_FPSCR

(

void

)

((uint32_t)0U)

Get FPSCR.

Returns the current value of the Floating Point Status/Control register.

Returns

Floating Point Status/Control register value

__set_FPSCR

#define __set_FPSCR

(

fpscr

)

((void)(fpscr))

Set FPSCR.

Assigns the given value to the Floating Point Status/Control register.

Parameters

[in]

fpscr

Floating Point Status/Control value to set

Function Documentation

__enable_irq()

__STATIC_FORCEINLINE void __enable_irq

(

void

)

Enable IRQ Interrupts.

Enables IRQ interrupts by clearing special-purpose register PRIMASK. Can only be executed in Privileged modes.

References __ASM.

Referenced by IntEnableMaster().

__disable_irq()

__STATIC_FORCEINLINE void __disable_irq

(

void

)

Disable IRQ Interrupts.

Disables IRQ interrupts by setting special-purpose register PRIMASK. Can only be executed in Privileged modes.

References __ASM.

Referenced by IntDisableMaster(), and PMCTLResetSystem().

__get_CONTROL()

__STATIC_FORCEINLINE uint32_t __get_CONTROL

(

void

)

Get Control Register.

Returns the content of the Control Register.

Returns

Control Register value

References __ASM, and __STATIC_FORCEINLINE.

__set_CONTROL()

__STATIC_FORCEINLINE void __set_CONTROL

(

uint32_t

control

)

Set Control Register.

Writes the given value to the Control Register.

Parameters

[in]

control

Control Register value to set

References __ASM, __ISB(), and __STATIC_FORCEINLINE.

__get_IPSR()

__STATIC_FORCEINLINE uint32_t __get_IPSR

(

void

)

Get IPSR Register.

Returns the content of the IPSR Register.

Returns

IPSR Register value

References __ASM.

__get_APSR()

__STATIC_FORCEINLINE uint32_t __get_APSR

(

void

)

Get APSR Register.

Returns the content of the APSR Register.

Returns

APSR Register value

References __ASM.

__get_xPSR()

__STATIC_FORCEINLINE uint32_t __get_xPSR

(

void

)

Get xPSR Register.

Returns the content of the xPSR Register.

Returns

xPSR Register value

References __ASM.

__get_PSP()

__STATIC_FORCEINLINE uint32_t __get_PSP

(

void

)

Get Process Stack Pointer.

Returns the current value of the Process Stack Pointer (PSP).

Returns

PSP Register value

References __ASM, and __STATIC_FORCEINLINE.

__set_PSP()

__STATIC_FORCEINLINE void __set_PSP

(

uint32_t

topOfProcStack

)

Set Process Stack Pointer.

Assigns the given value to the Process Stack Pointer (PSP).

Parameters

[in]

topOfProcStack

Process Stack Pointer value to set

References __ASM, and __STATIC_FORCEINLINE.

__get_MSP()

__STATIC_FORCEINLINE uint32_t __get_MSP

(

void

)

Get Main Stack Pointer.

Returns the current value of the Main Stack Pointer (MSP).

Returns

MSP Register value

References __ASM, and __STATIC_FORCEINLINE.

__set_MSP()

__STATIC_FORCEINLINE void __set_MSP

(

uint32_t

topOfMainStack

)

Set Main Stack Pointer.

Assigns the given value to the Main Stack Pointer (MSP).

Parameters

[in]

topOfMainStack

Main Stack Pointer value to set

References __ASM, and __STATIC_FORCEINLINE.

__get_PRIMASK()

__STATIC_FORCEINLINE uint32_t __get_PRIMASK

(

void

)

Get Priority Mask.

Returns the current state of the priority mask bit from the Priority Mask Register.

Returns

Priority Mask value

References __ASM, and __STATIC_FORCEINLINE.

Referenced by IntDisableMaster(), and IntEnableMaster().

__set_PRIMASK()

__STATIC_FORCEINLINE void __set_PRIMASK

(

uint32_t

priMask

)

Set Priority Mask.

Assigns the given value to the Priority Mask Register.

Parameters

[in]

priMask

Priority Mask

References __ASM, and __STATIC_FORCEINLINE.

__get_FPSCR()

__STATIC_FORCEINLINE uint32_t __get_FPSCR

(

void

)

Get FPSCR.

Returns the current value of the Floating Point Status/Control register.

Returns

Floating Point Status/Control register value

References __ASM.

__set_FPSCR()

__STATIC_FORCEINLINE void __set_FPSCR

(

uint32_t

fpscr

)

Set FPSCR.

Assigns the given value to the Floating Point Status/Control register.

Parameters

[in]

fpscr

Floating Point Status/Control value to set

References __ASM, __ROR(), __STATIC_FORCEINLINE, __SXTAB16_RORn, and __SXTB16_RORn.