Multi-instance timer driver. More...

Modules
	TIMER periperal driver configuration

Data Structures
struct	nrf_drv_timer_t
	Timer driver instance data structure. More...

struct	nrf_drv_timer_config_t
	Timer driver instance configuration structure. More...

Macros
#define	ENABLED_TIMER_COUNT (TIMER0_ENABLED+TIMER1_ENABLED+TIMER2_ENABLED+TIMER3_ENABLED+TIMER4_ENABLED)

#define	TIMER0_INSTANCE_INDEX 0

#define	TIMER1_INSTANCE_INDEX TIMER0_INSTANCE_INDEX+TIMER0_ENABLED

#define	TIMER2_INSTANCE_INDEX TIMER1_INSTANCE_INDEX+TIMER1_ENABLED

#define	TIMER3_INSTANCE_INDEX TIMER2_INSTANCE_INDEX+TIMER2_ENABLED

#define	TIMER4_INSTANCE_INDEX TIMER3_INSTANCE_INDEX+TIMER3_ENABLED

#define	NRF_DRV_TIMER_INSTANCE(id)
	Macro for creating a timer driver instance. More...

#define	NRF_DRV_TIMER_DEFAULT_CONFIG
	Timer driver instance default configuration. More...

Typedefs
typedef void(*	nrf_timer_event_handler_t )(nrf_timer_event_t event_type, void *p_context)
	Timer driver event handler type. More...

Functions
ret_code_t	nrf_drv_timer_init (nrf_drv_timer_t const const p_instance, nrf_drv_timer_config_t const p_config, nrf_timer_event_handler_t timer_event_handler)
	Function for initializing the timer. More...

void	nrf_drv_timer_uninit (nrf_drv_timer_t const *const p_instance)
	Function for uninitializing the timer. More...

void	nrf_drv_timer_enable (nrf_drv_timer_t const *const p_instance)
	Function for turning on the timer. More...

void	nrf_drv_timer_disable (nrf_drv_timer_t const *const p_instance)
	Function for turning off the timer. More...

void	nrf_drv_timer_pause (nrf_drv_timer_t const *const p_instance)
	Function for pausing the timer. More...

void	nrf_drv_timer_resume (nrf_drv_timer_t const *const p_instance)
	Function for resuming the timer. More...

void	nrf_drv_timer_clear (nrf_drv_timer_t const *const p_instance)
	Function for clearing the timer. More...

void	nrf_drv_timer_increment (nrf_drv_timer_t const *const p_instance)
	Function for incrementing the timer. More...

__STATIC_INLINE uint32_t	nrf_drv_timer_task_address_get (nrf_drv_timer_t const *const p_instance, nrf_timer_task_t timer_task)
	Function for returning the address of a specific timer task. More...

__STATIC_INLINE uint32_t	nrf_drv_timer_capture_task_address_get (nrf_drv_timer_t const *const p_instance, uint32_t channel)
	Function for returning the address of a specific timer capture task. More...

__STATIC_INLINE uint32_t	nrf_drv_timer_event_address_get (nrf_drv_timer_t const *const p_instance, nrf_timer_event_t timer_event)
	Function for returning the address of a specific timer event. More...

__STATIC_INLINE uint32_t	nrf_drv_timer_compare_event_address_get (nrf_drv_timer_t const *const p_instance, uint32_t channel)
	Function for returning the address of a specific timer compare event. More...

uint32_t	nrf_drv_timer_capture (nrf_drv_timer_t const *const p_instance, nrf_timer_cc_channel_t cc_channel)
	Function for capturing the timer value. More...

__STATIC_INLINE uint32_t	nrf_drv_timer_capture_get (nrf_drv_timer_t const *const p_instance, nrf_timer_cc_channel_t cc_channel)
	Function for returning the capture value from a specific channel. More...

void	nrf_drv_timer_compare (nrf_drv_timer_t const *const p_instance, nrf_timer_cc_channel_t cc_channel, uint32_t cc_value, bool enable_int)
	Function for setting the timer channel in compare mode. More...

void	nrf_drv_timer_extended_compare (nrf_drv_timer_t const *const p_instance, nrf_timer_cc_channel_t cc_channel, uint32_t cc_value, nrf_timer_short_mask_t timer_short_mask, bool enable_int)
	Function for setting the timer channel in extended compare mode. More...

__STATIC_INLINE uint32_t	nrf_drv_timer_us_to_ticks (nrf_drv_timer_t const *const p_instance, uint32_t time_us)
	Function for converting time in microseconds to timer ticks. More...

__STATIC_INLINE uint32_t	nrf_drv_timer_ms_to_ticks (nrf_drv_timer_t const *const p_instance, uint32_t time_ms)
	Function for converting time in milliseconds to timer ticks. More...

void	nrf_drv_timer_compare_int_enable (nrf_drv_timer_t const *const p_instance, uint32_t channel)
	Function for enabling timer compare interrupt. More...

void	nrf_drv_timer_compare_int_disable (nrf_drv_timer_t const *const p_instance, uint32_t channel)
	Function for disabling timer compare interrupt. More...

Detailed Description

Multi-instance timer driver.

Macro Definition Documentation

#define NRF_DRV_TIMER_DEFAULT_CONFIG

Value:

{ \
 .frequency = (nrf_timer_frequency_t)TIMER_DEFAULT_CONFIG_FREQUENCY,\
 .mode = (nrf_timer_mode_t)TIMER_DEFAULT_CONFIG_MODE, \
 .bit_width = (nrf_timer_bit_width_t)TIMER_DEFAULT_CONFIG_BIT_WIDTH,\
 .interrupt_priority = TIMER_DEFAULT_CONFIG_IRQ_PRIORITY, \
 .p_context = NULL \
}

Timer driver instance default configuration.

#define NRF_DRV_TIMER_INSTANCE ( id )

Value:

{ \
 .p_reg = CONCAT_2(NRF_TIMER, id), \
 .instance_id = CONCAT_3(TIMER, id, _INSTANCE_INDEX), \
 .cc_channel_count = NRF_TIMER_CC_CHANNEL_COUNT(id), \
}

Macro for creating a timer driver instance.

Typedef Documentation

typedef void(* nrf_timer_event_handler_t)(nrf_timer_event_t event_type, void *p_context)

Timer driver event handler type.

Parameters

[in]	event_type	Timer event.
[in]	p_context	General purpose parameter set during initialization of the timer. This parameter can be used to pass additional information to the handler function, for example, the timer ID.

Function Documentation

uint32_t nrf_drv_timer_capture	(	nrf_drv_timer_t const *const	p_instance,
		nrf_timer_cc_channel_t	cc_channel
	)

Function for capturing the timer value.

Parameters

[in]	p_instance	Pointer to the driver instance structure.
[in]	cc_channel	Capture channel number.

Returns: Captured value.

__STATIC_INLINE uint32_t nrf_drv_timer_capture_get	(	nrf_drv_timer_t const *const	p_instance,
		nrf_timer_cc_channel_t	cc_channel
	)

Function for returning the capture value from a specific channel.

Use this function to read channel values when PPI is used for capturing.

Parameters

[in]	p_instance	Pointer to the driver instance structure.
[in]	cc_channel	Capture channel number.

Returns: Captured value.

__STATIC_INLINE uint32_t nrf_drv_timer_capture_task_address_get	(	nrf_drv_timer_t const *const	p_instance,
		uint32_t	channel
	)

Function for returning the address of a specific timer capture task.

Parameters

[in]	p_instance	Pointer to the driver instance structure.
[in]	channel	Capture channel number.

Returns: Task address.

void nrf_drv_timer_clear ( nrf_drv_timer_t const *const p_instance )

Function for clearing the timer.

Parameters

[in] p_instance Pointer to the driver instance structure.

void nrf_drv_timer_compare	(	nrf_drv_timer_t const *const	p_instance,
		nrf_timer_cc_channel_t	cc_channel,
		uint32_t	cc_value,
		bool	enable_int
	)

Function for setting the timer channel in compare mode.

Parameters

[in]	p_instance	Pointer to the driver instance structure.
[in]	cc_channel	Compare channel number.
[in]	cc_value	Compare value.
[in]	enable_int	Enable or disable the interrupt for the compare channel.

__STATIC_INLINE uint32_t nrf_drv_timer_compare_event_address_get	(	nrf_drv_timer_t const *const	p_instance,
		uint32_t	channel
	)

Function for returning the address of a specific timer compare event.

Parameters

[in]	p_instance	Pointer to the driver instance structure.
[in]	channel	Compare channel number.

Returns: Event address.

void nrf_drv_timer_compare_int_disable	(	nrf_drv_timer_t const *const	p_instance,
		uint32_t	channel
	)

Function for disabling timer compare interrupt.

Parameters

[in]	p_instance	Pointer to the driver instance structure.
[in]	channel	Compare channel.

void nrf_drv_timer_compare_int_enable	(	nrf_drv_timer_t const *const	p_instance,
		uint32_t	channel
	)

Function for enabling timer compare interrupt.

Parameters

[in]	p_instance	Pointer to the driver instance structure.
[in]	channel	Compare channel.

void nrf_drv_timer_disable ( nrf_drv_timer_t const *const p_instance )

Function for turning off the timer.

Note that the timer will allow to enter the lowest possible SYSTEM_ON state only after this function is called.

Parameters

[in] p_instance Pointer to the driver instance structure.

void nrf_drv_timer_enable ( nrf_drv_timer_t const *const p_instance )

Function for turning on the timer.

Parameters

[in] p_instance Pointer to the driver instance structure.

__STATIC_INLINE uint32_t nrf_drv_timer_event_address_get	(	nrf_drv_timer_t const *const	p_instance,
		nrf_timer_event_t	timer_event
	)

Function for returning the address of a specific timer event.

Parameters

[in]	p_instance	Pointer to the driver instance structure.
[in]	timer_event	Timer event.

Returns: Event address.

void nrf_drv_timer_extended_compare	(	nrf_drv_timer_t const *const	p_instance,
		nrf_timer_cc_channel_t	cc_channel,
		uint32_t	cc_value,
		nrf_timer_short_mask_t	timer_short_mask,
		bool	enable_int
	)

Function for setting the timer channel in extended compare mode.

Parameters

[in]	p_instance	Pointer to the driver instance structure.
[in]	cc_channel	Compare channel number.
[in]	cc_value	Compare value.
[in]	timer_short_mask	Shortcut between the compare event on the channel and the timer task (STOP or CLEAR).
[in]	enable_int	Enable or disable the interrupt for the compare channel.

void nrf_drv_timer_increment ( nrf_drv_timer_t const *const p_instance )

Function for incrementing the timer.

Parameters

[in] p_instance Pointer to the driver instance structure.

ret_code_t nrf_drv_timer_init	(	nrf_drv_timer_t const *const	p_instance,
		nrf_drv_timer_config_t const *	p_config,
		nrf_timer_event_handler_t	timer_event_handler
	)

Function for initializing the timer.

Parameters

[in]	p_instance	Pointer to the driver instance structure.
[in]	p_config	Initial configuration. Must not be NULL.
[in]	timer_event_handler	Event handler provided by the user. Must not be NULL.

Return values

NRF_SUCCESS	If initialization was successful.
NRF_ERROR_INVALID_STATE	If the instance is already initialized.
NRF_ERROR_INVALID_PARAM	If no handler was provided.

__STATIC_INLINE uint32_t nrf_drv_timer_ms_to_ticks	(	nrf_drv_timer_t const *const	p_instance,
		uint32_t	time_ms
	)

Function for converting time in milliseconds to timer ticks.

Parameters

[in]	p_instance	Pointer to the driver instance structure.
[in]	time_ms	Time in milliseconds.

Returns: Number of ticks.

void nrf_drv_timer_pause ( nrf_drv_timer_t const *const p_instance )

Function for pausing the timer.

Parameters

[in] p_instance Pointer to the driver instance structure.

void nrf_drv_timer_resume ( nrf_drv_timer_t const *const p_instance )

Function for resuming the timer.

Parameters

[in] p_instance Pointer to the driver instance structure.

__STATIC_INLINE uint32_t nrf_drv_timer_task_address_get	(	nrf_drv_timer_t const *const	p_instance,
		nrf_timer_task_t	timer_task
	)

Function for returning the address of a specific timer task.

Parameters

[in]	p_instance	Pointer to the driver instance structure.
[in]	timer_task	Timer task.

Returns: Task address.

void nrf_drv_timer_uninit ( nrf_drv_timer_t const *const p_instance )

Function for uninitializing the timer.

Parameters

[in] p_instance Pointer to the driver instance structure.

__STATIC_INLINE uint32_t nrf_drv_timer_us_to_ticks	(	nrf_drv_timer_t const *const	p_instance,
		uint32_t	time_us
	)

Function for converting time in microseconds to timer ticks.

Parameters

[in]	p_instance	Pointer to the driver instance structure.
[in]	time_us	Time in microseconds.

Returns: Number of ticks.

Modules

Data Structures

Macros

Typedefs

Functions

Detailed Description

Macro Definition Documentation

Typedef Documentation

Function Documentation