RNG Configuration functions

Functions
__STATIC_INLINE void	ll_rng_enable (rng_regs_t *RNGx)
	Enable Random Number Generation. More...
__STATIC_INLINE void	ll_rng_disable (rng_regs_t *RNGx)
	Disable Random Number Generation. More...
__STATIC_INLINE uint32_t	ll_rng_is_enabled (rng_regs_t *RNGx)
	Check if Random Number Generator is enabled. More...
__STATIC_INLINE void	ll_rng_enable_fro (rng_regs_t *RNGx)
	Enable Ring oscillator TRNG enabled signal. More...
__STATIC_INLINE void	ll_rng_disable_fro (rng_regs_t *RNGx)
	Disable Ring oscillator TRNG enabled signal. More...
__STATIC_INLINE uint32_t	ll_rng_fro_is_enabled (rng_regs_t *RNGx)
	Check if Ring oscillator TRNG enabled signal is enabled. More...
__STATIC_INLINE void	ll_rng_set_lfsr_seed (rng_regs_t *RNGx, uint32_t seed)
	Set source of LFSR seed. More...
__STATIC_INLINE uint32_t	ll_rng_get_lfsr_seed (rng_regs_t *RNGx)
	Get source of LFSR seed. More...
__STATIC_INLINE void	ll_rng_set_lfsr_mode (rng_regs_t *RNGx, uint32_t mode)
	Set LFSR configuration mode. More...
__STATIC_INLINE uint32_t	ll_rng_get_lfsr_mode (rng_regs_t *RNGx)
	Get LFSR configuration mode. More...
__STATIC_INLINE void	ll_rng_set_post_mode (rng_regs_t *RNGx, uint32_t post)
	Set RNG post-process configuration. More...
__STATIC_INLINE uint32_t	ll_rng_get_post_mode (rng_regs_t *RNGx)
	Get RNG post-process configuration. More...
__STATIC_INLINE void	ll_rng_set_output_mode (rng_regs_t *RNGx, uint32_t mode)
	set RNG output mode. More...
__STATIC_INLINE uint32_t	ll_rng_get_output_mode (rng_regs_t *RNGx)
	get RNG output mode. More...
__STATIC_INLINE void	ll_rng_set_trdy_time (rng_regs_t *RNGx, uint32_t time)
	set the waiting time that RNG input reaches stable. More...
__STATIC_INLINE uint32_t	ll_rng_get_trdy_time (rng_regs_t *RNGx)
	get the waiting time that RNG input reaches stable. More...
__STATIC_INLINE void	ll_rng_set_user_seed (rng_regs_t *RNGx, uint32_t seed)
	set RNG seed configured by user. More...

Detailed Description

Function Documentation

ll_rng_disable()

__STATIC_INLINE void ll_rng_disable

(

rng_regs_t *

RNGx

)

Disable Random Number Generation.

Register	BitsName
CTRL	RNG_RUN

Parameters

RNGx	RNG instance.

Return values

None

ll_rng_disable_fro()

__STATIC_INLINE void ll_rng_disable_fro

(

rng_regs_t *

RNGx

)

Disable Ring oscillator TRNG enabled signal.

Register	BitsName
CTRL	RNG_RUN

Parameters

RNGx	RNG instance.

Return values

None

ll_rng_enable()

__STATIC_INLINE void ll_rng_enable

(

rng_regs_t *

RNGx

)

Enable Random Number Generation.

Register	BitsName
CTRL	RNG_RUN

Parameters

RNGx	RNG instance.

Return values

None

ll_rng_enable_fro()

__STATIC_INLINE void ll_rng_enable_fro

(

rng_regs_t *

RNGx

)

Enable Ring oscillator TRNG enabled signal.

Register	BitsName
CONFIG	RNG_FRO_EN

Parameters

RNGx	RNG instance.

Return values

None

ll_rng_fro_is_enabled()

__STATIC_INLINE uint32_t ll_rng_fro_is_enabled

(

rng_regs_t *

RNGx

)

Check if Ring oscillator TRNG enabled signal is enabled.

Register	BitsName
CTRL	RNG_RUN

Parameters

RNGx	RNG instance.

Return values

State

of bit (1 or 0).

ll_rng_get_lfsr_mode()

__STATIC_INLINE uint32_t ll_rng_get_lfsr_mode

(

rng_regs_t *

RNGx

)

Get LFSR configuration mode.

Register	BitsName
CONFIG	RNG_LFSR_MODE

Parameters

RNGx	RNG instance.

Return values

Returned

value can be one of the following values: LL_RNG_LFSR_MODE_59BIT LL_RNG_LFSR_MODE_128BIT

ll_rng_get_lfsr_seed()

__STATIC_INLINE uint32_t ll_rng_get_lfsr_seed

(

rng_regs_t *

RNGx

)

Get source of LFSR seed.

Register	BitsName
CONFIG	RNG_LFSR_SEED_SEL

Parameters

RNGx	RNG instance.

Return values

Returned

value can be one of the following values: LL_RNG_SEED_FR0_S0 LL_RNG_SEED_USER

ll_rng_get_output_mode()

__STATIC_INLINE uint32_t ll_rng_get_output_mode

(

rng_regs_t *

RNGx

)

get RNG output mode.

Register	BitsName
CONFIG	RNG_OUT_MODE

Parameters

RNGx	RNG instance.

Return values

Returned

value can be one of the following values: LL_RNG_OUTPUT_FR0_S0 LL_RNG_OUTPUT_CYCLIC_PARITY LL_RNG_OUTPUT_CYCLIC LL_RNG_OUTPUT_LFSR_RNG LL_RNG_OUTPUT_LFSR

ll_rng_get_post_mode()

__STATIC_INLINE uint32_t ll_rng_get_post_mode

(

rng_regs_t *

RNGx

)

Get RNG post-process configuration.

Register	BitsName
CONFIG	RNG_POST_MODE

Parameters

RNGx	RNG instance.

Return values

Returned

value can be one of the following values: LL_RNG_POST_PRO_NOT LL_RNG_POST_PRO_SKIPPING LL_RNG_POST_PRO_COUNTING LL_RNG_POST_PRO_NEUMANN

ll_rng_get_trdy_time()

__STATIC_INLINE uint32_t ll_rng_get_trdy_time

(

rng_regs_t *

RNGx

)

get the waiting time that RNG input reaches stable.

Register	BitsName
TSCON	RNG_TRDY_TIME

Parameters

RNGx	RNG instance.

Return values

Between

Min_Time = 0 and Max_Time = 0xFF

ll_rng_is_enabled()

__STATIC_INLINE uint32_t ll_rng_is_enabled

(

rng_regs_t *

RNGx

)

Check if Random Number Generator is enabled.

Register	BitsName
CTRL	RNG_RUN

Parameters

RNGx	RNG instance.

Return values

State

of bit (1 or 0).

ll_rng_set_lfsr_mode()

__STATIC_INLINE void ll_rng_set_lfsr_mode	(	rng_regs_t *	RNGx,
		uint32_t	mode
	)

Set LFSR configuration mode.

Register	BitsName
CONFIG	RNG_LFSR_MODE

Parameters

RNGx	RNG instance.
mode	This parameter can be one of the following values: LL_RNG_LFSR_MODE_59BIT LL_RNG_LFSR_MODE_128BIT

Return values

None

ll_rng_set_lfsr_seed()

__STATIC_INLINE void ll_rng_set_lfsr_seed	(	rng_regs_t *	RNGx,
		uint32_t	seed
	)

Set source of LFSR seed.

Register	BitsName
CONFIG	RNG_LFSR_SEED_SEL

Parameters

RNGx	RNG instance.
seed	This parameter can be one of the following values: LL_RNG_SEED_FR0_S0 LL_RNG_SEED_USER

Return values

None

ll_rng_set_output_mode()

__STATIC_INLINE void ll_rng_set_output_mode	(	rng_regs_t *	RNGx,
		uint32_t	mode
	)

set RNG output mode.

Register	BitsName
CONFIG	RNG_OUT_MODE

Parameters

RNGx	RNG instance.
mode	This parameter can be one of the following values: LL_RNG_OUTPUT_FR0_S0 LL_RNG_OUTPUT_CYCLIC_PARITY LL_RNG_OUTPUT_CYCLIC LL_RNG_OUTPUT_LFSR_RNG LL_RNG_OUTPUT_LFSR

Return values

None

ll_rng_set_post_mode()

__STATIC_INLINE void ll_rng_set_post_mode	(	rng_regs_t *	RNGx,
		uint32_t	post
	)

Set RNG post-process configuration.

Register	BitsName
CONFIG	RNG_POST_MODE

Parameters

RNGx	RNG instance.
post	This parameter can be one of the following values: LL_RNG_POST_PRO_NOT LL_RNG_POST_PRO_SKIPPING LL_RNG_POST_PRO_COUNTING LL_RNG_POST_PRO_NEUMANN

Return values

None

ll_rng_set_trdy_time()

__STATIC_INLINE void ll_rng_set_trdy_time	(	rng_regs_t *	RNGx,
		uint32_t	time
	)

set the waiting time that RNG input reaches stable.

Register	BitsName
TSCON	RNG_TRDY_TIME

Parameters

RNGx	RNG instance.
time	range between 0x1 and 0xFF.

Return values

None

ll_rng_set_user_seed()

__STATIC_INLINE void ll_rng_set_user_seed	(	rng_regs_t *	RNGx,
		uint32_t	seed
	)

set RNG seed configured by user.

Register	BitsName
USER	RNG_USER_SEED

Parameters

RNGx	RNG instance.
seed	range between 0x1 and 0xFFFF.

Return values

None