Hardware access layer for managing the Real Time Counter (RTC) peripheral. More...

Macros
#define	NRF_RTC_CC_CHANNEL_COUNT (id) NRFX_CONCAT_3 (RTC, id, _CC_NUM)
	Macro for getting the number of compare channels available in a given RTC instance.
#define	RTC_INPUT_FREQ 32768
	Input frequency of the RTC instance.
#define	RTC_FREQ_TO_PRESCALER (FREQ)   (uint16_t)((( RTC_INPUT_FREQ ) / (FREQ)) - 1)
	Macro for converting expected frequency to prescaler setting.
#define	RTC_WRAP (val)   ((val) & RTC_COUNTER_COUNTER_Msk)
	Macro for trimming values to the RTC bit width.
#define	RTC_CHANNEL_INT_MASK (ch)   ((uint32_t)( NRF_RTC_INT_COMPARE0_MASK ) << (ch))
	Macro for creating the interrupt bitmask for the specified compare channel.
#define	RTC_CHANNEL_EVENT_ADDR (ch)   ( nrf_rtc_event_t )(( NRF_RTC_EVENT_COMPARE_0 ) + (ch) * sizeof(uint32_t))
	Macro for obtaining the compare event for the specified channel.

Enumerations
enum	nrf_rtc_task_t { NRF_RTC_TASK_START = offsetof(NRF_RTC_Type,TASKS_START), NRF_RTC_TASK_STOP = offsetof(NRF_RTC_Type,TASKS_STOP), NRF_RTC_TASK_CLEAR = offsetof(NRF_RTC_Type,TASKS_CLEAR), NRF_RTC_TASK_TRIGGER_OVERFLOW = offsetof(NRF_RTC_Type,TASKS_TRIGOVRFLW) }
	RTC tasks. More...
enum	nrf_rtc_event_t { NRF_RTC_EVENT_TICK = offsetof(NRF_RTC_Type,EVENTS_TICK), NRF_RTC_EVENT_OVERFLOW = offsetof(NRF_RTC_Type,EVENTS_OVRFLW), NRF_RTC_EVENT_COMPARE_0 = offsetof(NRF_RTC_Type,EVENTS_COMPARE[0]), NRF_RTC_EVENT_COMPARE_1 = offsetof(NRF_RTC_Type,EVENTS_COMPARE[1]), NRF_RTC_EVENT_COMPARE_2 = offsetof(NRF_RTC_Type,EVENTS_COMPARE[2]), NRF_RTC_EVENT_COMPARE_3 = offsetof(NRF_RTC_Type,EVENTS_COMPARE[3]) }
	RTC events. More...
enum	nrf_rtc_int_t { NRF_RTC_INT_TICK_MASK = RTC_INTENSET_TICK_Msk, NRF_RTC_INT_OVERFLOW_MASK = RTC_INTENSET_OVRFLW_Msk, NRF_RTC_INT_COMPARE0_MASK = RTC_INTENSET_COMPARE0_Msk, NRF_RTC_INT_COMPARE1_MASK = RTC_INTENSET_COMPARE1_Msk, NRF_RTC_INT_COMPARE2_MASK = RTC_INTENSET_COMPARE2_Msk, NRF_RTC_INT_COMPARE3_MASK = RTC_INTENSET_COMPARE3_Msk }
	RTC interrupts. More...

Functions
__STATIC_INLINE void	nrf_rtc_cc_set (NRF_RTC_Type *p_reg, uint32_t ch, uint32_t cc_val)
	Function for setting a compare value for a channel. More...
__STATIC_INLINE uint32_t	nrf_rtc_cc_get (NRF_RTC_Type *p_reg, uint32_t ch)
	Function for returning the compare value for a channel. More...
__STATIC_INLINE void	nrf_rtc_int_enable (NRF_RTC_Type *p_reg, uint32_t mask)
	Function for enabling interrupts. More...
__STATIC_INLINE void	nrf_rtc_int_disable (NRF_RTC_Type *p_reg, uint32_t mask)
	Function for disabling interrupts. More...
__STATIC_INLINE uint32_t	nrf_rtc_int_is_enabled (NRF_RTC_Type *p_reg, uint32_t mask)
	Function for checking if interrupts are enabled. More...
__STATIC_INLINE uint32_t	nrf_rtc_int_get (NRF_RTC_Type *p_reg)
	Function for returning the status of currently enabled interrupts. More...
__STATIC_INLINE void	nrf_rtc_subscribe_set (NRF_RTC_Type *p_reg, nrf_rtc_task_t task, uint8_t channel)
	Function for setting the subscribe configuration for a given RTC task. More...
__STATIC_INLINE void	nrf_rtc_subscribe_clear (NRF_RTC_Type *p_reg, nrf_rtc_task_t task)
	Function for clearing the subscribe configuration for a given RTC task. More...
__STATIC_INLINE void	nrf_rtc_publish_set (NRF_RTC_Type *p_reg, nrf_rtc_event_t event, uint8_t channel)
	Function for setting the publish configuration for a given RTC event. More...
__STATIC_INLINE void	nrf_rtc_publish_clear (NRF_RTC_Type *p_reg, nrf_rtc_event_t event)
	Function for clearing the publish configuration for a given RTC event. More...
__STATIC_INLINE uint32_t	nrf_rtc_event_pending (NRF_RTC_Type *p_reg, nrf_rtc_event_t event)
	Function for checking if an event is pending. More...
__STATIC_INLINE void	nrf_rtc_event_clear (NRF_RTC_Type *p_reg, nrf_rtc_event_t event)
	Function for clearing an event. More...
__STATIC_INLINE uint32_t	nrf_rtc_counter_get (NRF_RTC_Type *p_reg)
	Function for returning a counter value. More...
__STATIC_INLINE void	nrf_rtc_prescaler_set (NRF_RTC_Type *p_reg, uint32_t val)
	Function for setting a prescaler value. More...
__STATIC_INLINE uint32_t	nrf_rtc_event_address_get (NRF_RTC_Type *p_reg, nrf_rtc_event_t event)
	Function for returning the address of an event. More...
__STATIC_INLINE uint32_t	nrf_rtc_task_address_get (NRF_RTC_Type *p_reg, nrf_rtc_task_t task)
	Function for returning the address of a task. More...
__STATIC_INLINE void	nrf_rtc_task_trigger (NRF_RTC_Type *p_reg, nrf_rtc_task_t task)
	Function for starting a task. More...
__STATIC_INLINE void	nrf_rtc_event_enable (NRF_RTC_Type *p_reg, uint32_t mask)
	Function for enabling events. More...
__STATIC_INLINE void	nrf_rtc_event_disable (NRF_RTC_Type *p_reg, uint32_t event)
	Function for disabling an event. More...
__STATIC_INLINE nrf_rtc_event_t	nrf_rtc_compare_event_get (uint8_t index)
	Function for getting the COMPARE event associated with the specified compare channel. More...

Detailed Description

Hardware access layer for managing the Real Time Counter (RTC) peripheral.

Enumeration Type Documentation

enum nrf_rtc_event_t

RTC events.

Enumerator
NRF_RTC_EVENT_TICK	Tick event.
NRF_RTC_EVENT_OVERFLOW	Overflow event.
NRF_RTC_EVENT_COMPARE_0	Compare 0 event.
NRF_RTC_EVENT_COMPARE_1	Compare 1 event.
NRF_RTC_EVENT_COMPARE_2	Compare 2 event.
NRF_RTC_EVENT_COMPARE_3	Compare 3 event.

enum nrf_rtc_int_t

RTC interrupts.

Enumerator
NRF_RTC_INT_TICK_MASK	RTC interrupt from tick event.
NRF_RTC_INT_OVERFLOW_MASK	RTC interrupt from overflow event.
NRF_RTC_INT_COMPARE0_MASK	RTC interrupt from compare event on channel 0.
NRF_RTC_INT_COMPARE1_MASK	RTC interrupt from compare event on channel 1.
NRF_RTC_INT_COMPARE2_MASK	RTC interrupt from compare event on channel 2.
NRF_RTC_INT_COMPARE3_MASK	RTC interrupt from compare event on channel 3.

enum nrf_rtc_task_t

RTC tasks.

Enumerator
NRF_RTC_TASK_START	Start.
NRF_RTC_TASK_STOP	Stop.
NRF_RTC_TASK_CLEAR	Clear.
NRF_RTC_TASK_TRIGGER_OVERFLOW	Trigger overflow.

Function Documentation

__STATIC_INLINE uint32_t nrf_rtc_cc_get	(	NRF_RTC_Type *	p_reg ,
		uint32_t	ch
	)

Function for returning the compare value for a channel.

Parameters

[in]	p_reg	Pointer to the structure of registers of the peripheral.
[in]	ch	Channel.

Returns

COMPARE[ch] value.

__STATIC_INLINE void nrf_rtc_cc_set	(	NRF_RTC_Type *	p_reg ,
		uint32_t	ch ,
		uint32_t	cc_val
	)

Function for setting a compare value for a channel.

Parameters

[in]	p_reg	Pointer to the structure of registers of the peripheral.
[in]	ch	Channel.
[in]	cc_val	Compare value to be set.

__STATIC_INLINE nrf_rtc_event_t nrf_rtc_compare_event_get

(

uint8_t

index

)

Function for getting the COMPARE event associated with the specified compare channel.

Parameters

[in]

index

Compare channel index.

Returns

Requested COMPARE event.

__STATIC_INLINE uint32_t nrf_rtc_counter_get

(

NRF_RTC_Type *

p_reg

)

Function for returning a counter value.

Parameters

[in]

p_reg

Pointer to the structure of registers of the peripheral.

Returns

Counter value.

__STATIC_INLINE uint32_t nrf_rtc_event_address_get	(	NRF_RTC_Type *	p_reg ,
		nrf_rtc_event_t	event
	)

Function for returning the address of an event.

Parameters

[in]	p_reg	Pointer to the structure of registers of the peripheral.
[in]	event	Requested event.

Returns

Address of the requested event register.

__STATIC_INLINE void nrf_rtc_event_clear	(	NRF_RTC_Type *	p_reg ,
		nrf_rtc_event_t	event
	)

Function for clearing an event.

Parameters

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

__STATIC_INLINE void nrf_rtc_event_disable	(	NRF_RTC_Type *	p_reg ,
		uint32_t	event
	)

Function for disabling an event.

Parameters

[in]	p_reg	Pointer to the structure of registers of the peripheral.
[in]	event	Requested event.

__STATIC_INLINE void nrf_rtc_event_enable	(	NRF_RTC_Type *	p_reg ,
		uint32_t	mask
	)

Function for enabling events.

Parameters

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

__STATIC_INLINE uint32_t nrf_rtc_event_pending	(	NRF_RTC_Type *	p_reg ,
		nrf_rtc_event_t	event
	)

Function for checking if an event is pending.

Parameters

[in]	p_reg	Pointer to the structure of registers of the peripheral.
[in]	event	Address of the event.

Returns

Mask of pending events.

__STATIC_INLINE void nrf_rtc_int_disable	(	NRF_RTC_Type *	p_reg ,
		uint32_t	mask
	)

Function for disabling interrupts.

Parameters

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

__STATIC_INLINE void nrf_rtc_int_enable	(	NRF_RTC_Type *	p_reg ,
		uint32_t	mask
	)

Function for enabling interrupts.

Parameters

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

__STATIC_INLINE uint32_t nrf_rtc_int_get

(

NRF_RTC_Type *

p_reg

)

Function for returning the status of currently enabled interrupts.

Parameters

[in]

p_reg

Pointer to the structure of registers of the peripheral.

Returns

Value in INTEN register.

__STATIC_INLINE uint32_t nrf_rtc_int_is_enabled	(	NRF_RTC_Type *	p_reg ,
		uint32_t	mask
	)

Function for checking if interrupts are enabled.

Parameters

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

Returns

Mask with enabled interrupts.

__STATIC_INLINE void nrf_rtc_prescaler_set	(	NRF_RTC_Type *	p_reg ,
		uint32_t	val
	)

Function for setting a prescaler value.

Parameters

[in]	p_reg	Pointer to the structure of registers of the peripheral.
[in]	val	Value to set the prescaler to.

__STATIC_INLINE void nrf_rtc_publish_clear	(	NRF_RTC_Type *	p_reg ,
		nrf_rtc_event_t	event
	)

Function for clearing the publish configuration for a given RTC event.

Parameters

[in]	p_reg	Pointer to the structure of registers of the peripheral.
[in]	event	Event for which to clear the configuration.

__STATIC_INLINE void nrf_rtc_publish_set	(	NRF_RTC_Type *	p_reg ,
		nrf_rtc_event_t	event ,
		uint8_t	channel
	)

Function for setting the publish configuration for a given RTC event.

Parameters

[in]	p_reg	Pointer to the structure of registers of the peripheral.
[in]	event	Event for which to set the configuration.
[in]	channel	Channel through which to publish the event.

__STATIC_INLINE void nrf_rtc_subscribe_clear	(	NRF_RTC_Type *	p_reg ,
		nrf_rtc_task_t	task
	)

Function for clearing the subscribe configuration for a given RTC task.

Parameters

[in]	p_reg	Pointer to the structure of registers of the peripheral.
[in]	task	Task for which to clear the configuration.

__STATIC_INLINE void nrf_rtc_subscribe_set	(	NRF_RTC_Type *	p_reg ,
		nrf_rtc_task_t	task ,
		uint8_t	channel
	)

Function for setting the subscribe configuration for a given RTC task.

Parameters

[in]	p_reg	Pointer to the structure of registers of the peripheral.
[in]	task	Task for which to set the configuration.
[in]	channel	Channel through which to subscribe events.

__STATIC_INLINE uint32_t nrf_rtc_task_address_get	(	NRF_RTC_Type *	p_reg ,
		nrf_rtc_task_t	task
	)

Function for returning the address of a task.

Parameters

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

Returns

Address of the requested task register.

__STATIC_INLINE void nrf_rtc_task_trigger	(	NRF_RTC_Type *	p_reg ,
		nrf_rtc_task_t	task
	)

Function for starting a task.

Parameters

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