CMSIS Core Register Access Functions

Collaboration diagram for CMSIS Core Register Access Functions:

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

---

Function Documentation

__STATIC_INLINE void __enable_irq

(

void

)

Enable IRQ Interrupts.

This function enables IRQ interrupts by clearing the I-bit in the CPSR. Can only be executed in Privileged modes.

References __ASM.

Referenced by Cortex_IntInit(), and Lpc17xxWatchDogRestart().

__STATIC_INLINE void __disable_irq

(

void

)

Disable IRQ Interrupts.

This function disables IRQ interrupts by setting the I-bit in the CPSR. Can only be executed in Privileged modes.

References __ASM.

Referenced by Lpc17xxWatchDogRestart().

__STATIC_INLINE uint32_t __get_CONTROL

(

void

)

Get Control Register.

This function returns the content of the Control Register.

Returns:

Control Register value

References __ASM.

Referenced by CortexExceptHandler().

__STATIC_INLINE void __set_CONTROL

(

uint32_t

control

)

Set Control Register.

This function writes the given value to the Control Register.

Parameters:

[in]

control

Control Register value to set

References __ASM.

Referenced by CortexExceptHandler().

__STATIC_INLINE uint32_t __get_IPSR

(

void

)

Get IPSR Register.

This function returns the content of the IPSR Register.

Returns:

IPSR Register value

References __ASM.

__STATIC_INLINE uint32_t __get_APSR

(

void

)

Get APSR Register.

This function returns the content of the APSR Register.

Returns:

APSR Register value

References __ASM.

__STATIC_INLINE uint32_t __get_xPSR

(

void

)

Get xPSR Register.

This function returns the content of the xPSR Register.

Returns:

xPSR Register value

References __ASM.

uint32_t __get_PSP

(

void

)

Get Process Stack Pointer.

This function returns the current value of the Process Stack Pointer (PSP).

Returns:

PSP Register value

References __ASM.

void __set_PSP

(

uint32_t

topOfProcStack

)

Set Process Stack Pointer.

This function assigns the given value to the Process Stack Pointer (PSP).

Parameters:

[in]

topOfProcStack

Process Stack Pointer value to set

References __ASM.

Referenced by Cortex_MemInit().

uint32_t __get_MSP

(

void

)

Get Main Stack Pointer.

This function returns the current value of the Main Stack Pointer (MSP).

Returns:

MSP Register value

References __ASM.

void __set_MSP

(

uint32_t

topOfMainStack

)

Set Main Stack Pointer.

This function assigns the given value to the Main Stack Pointer (MSP).

Parameters:

[in]

topOfMainStack

Main Stack Pointer value to set

References __ASM.

__STATIC_INLINE uint32_t __get_PRIMASK

(

void

)

Get Priority Mask.

This function returns the current state of the priority mask bit from the Priority Mask Register.

Returns:

Priority Mask value

References __ASM.

__STATIC_INLINE void __set_PRIMASK

(

uint32_t

priMask

)

Set Priority Mask.

This function assigns the given value to the Priority Mask Register.

Parameters:

[in]

priMask

Priority Mask

References __ASM.