EXMIF HAL

Hardware access layer for managing the External Memory Interface (EXMIF) peripheral. More...

Data Structures
struct	nrf_exmif_config_t
	Structure for configuration of mapping of the memory device to the EXMIF peripheral. More...

Macros
#define	NRF_EXMIF_MAX_MEMORY_DEVICE_SIZE   0x10000000UL
	Maximum EXMIF memory size.
#define	NRF_EXMIF_MAX_NUMBER_OF_DEVICES   2
	Maximum number of EXMIF memory devices.

Enumerations
enum	nrf_exmif_task_t {   NRF_EXMIF_TASK_START = offsetof(NRF_EXMIF_Type, TASKS_START) ,   NRF_EXMIF_TASK_STOP = offsetof(NRF_EXMIF_Type, TASKS_STOP) }
	EXMIF tasks. More...

Functions
NRF_STATIC_INLINE void	nrf_exmif_task_trigger (NRF_EXMIF_Type *p_reg, nrf_exmif_task_t task)
	Function for activating the specified EXMIF task.
NRF_STATIC_INLINE uint32_t	nrf_exmif_task_address_get (NRF_EXMIF_Type const *p_reg, nrf_exmif_task_t task)
	Function for getting the address of the specified EXMIF task register.
NRF_STATIC_INLINE void	nrf_exmif_reset_set (NRF_EXMIF_Type *p_reg, bool enable)
	Function for enabling or disabling EXMIF reset state.
NRF_STATIC_INLINE void	nrf_exmif_locked_access_set (NRF_EXMIF_Type *p_reg, bool enable)
	Function for enabling or disabling locked APB access to serial memory controller.
NRF_STATIC_INLINE void	nrf_exmif_device_config (NRF_EXMIF_Type *p_reg, uint8_t device_idx, nrf_exmif_config_t const *p_device)
	Function for configuring mapping of the memory device to EXMIF peripheral.
NRF_STATIC_INLINE void	nrf_exmif_device_enable (NRF_EXMIF_Type *p_reg, uint8_t device_idx)
	Function for enabling the EXMIF memory device.
NRF_STATIC_INLINE void	nrf_exmif_device_disable (NRF_EXMIF_Type *p_reg, uint8_t device_idx)
	Function for disabling the EXMIF memory device.

Detailed Description

Hardware access layer for managing the External Memory Interface (EXMIF) peripheral.

Enumeration Type Documentation

nrf_exmif_task_t

enum nrf_exmif_task_t

EXMIF tasks.

Enumerator
NRF_EXMIF_TASK_START	Start EXMIF peripheral power and clocks.
NRF_EXMIF_TASK_STOP	Stop EXMIF peripheral power and clocks.

Function Documentation

nrf_exmif_device_config()

NRF_STATIC_INLINE void nrf_exmif_device_config	(	NRF_EXMIF_Type *	p_reg,
		uint8_t	device_idx,
		nrf_exmif_config_t const *	p_device
	)

Function for configuring mapping of the memory device to EXMIF peripheral.

Parameters

[in]	p_reg	Pointer to the structure of registers of the peripheral.
[in]	device_idx	Device number to configure.
[in]	p_device	Pointer to the configuration structure of the memory device.

nrf_exmif_device_disable()

NRF_STATIC_INLINE void nrf_exmif_device_disable	(	NRF_EXMIF_Type *	p_reg,
		uint8_t	device_idx
	)

Function for disabling the EXMIF memory device.

Parameters

[in]	p_reg	Pointer to the structure of registers of the peripheral.
[in]	device_idx	Device number to disable.

nrf_exmif_device_enable()

NRF_STATIC_INLINE void nrf_exmif_device_enable	(	NRF_EXMIF_Type *	p_reg,
		uint8_t	device_idx
	)

Function for enabling the EXMIF memory device.

Parameters

[in]	p_reg	Pointer to the structure of registers of the peripheral.
[in]	device_idx	Device number to enable.

nrf_exmif_locked_access_set()

NRF_STATIC_INLINE void nrf_exmif_locked_access_set	(	NRF_EXMIF_Type *	p_reg,
		bool	enable
	)

Function for enabling or disabling locked APB access to serial memory controller.

Parameters

[in]	p_reg	Pointer to the structure of registers of the peripheral.
[in]	enable	True if locked APB access is to be enabled, false otherwise.

nrf_exmif_reset_set()

NRF_STATIC_INLINE void nrf_exmif_reset_set	(	NRF_EXMIF_Type *	p_reg,
		bool	enable
	)

Function for enabling or disabling EXMIF reset state.

Parameters

[in]	p_reg	Pointer to the structure of registers of the peripheral.
[in]	enable	True if reset state is to be enabled, false otherwise.

nrf_exmif_task_address_get()

NRF_STATIC_INLINE uint32_t nrf_exmif_task_address_get	(	NRF_EXMIF_Type const *	p_reg,
		nrf_exmif_task_t	task
	)

Function for getting the address of the specified EXMIF task register.

Parameters

[in]	p_reg	Pointer to the structure of registers of the peripheral.
[in]	task	The specified task.

Returns

Address of the specified task register.

nrf_exmif_task_trigger()

NRF_STATIC_INLINE void nrf_exmif_task_trigger	(	NRF_EXMIF_Type *	p_reg,
		nrf_exmif_task_t	task
	)

Function for activating the specified EXMIF task.

Parameters

[in]	p_reg	Pointer to the structure of registers of the peripheral.
[in]	task	Task to be activated.