trng.c File Reference

#include "../driver.h"
#include "hal/vsf_hal.h"
#include "utilities/vsf_utilities.h"
#include "reg_trng.h"
#include "reg_sysctrl.h"
#include "hal/driver/common/rng/rng_template.inc"

Data Structures
struct	vsf_hw_rng_t

Macros
#define	VSF_HW_RNG_CFG_MULTI_CLASS   VSF_RNG_CFG_MULTI_CLASS
#define	VSF_RNG_CFG_IMP_PREFIX   vsf_hw
#define	VSF_RNG_CFG_IMP_UPCASE_PREFIX   VSF_HW
#define	VSF_RNG_CFG_IMP_LV0(__IDX, __HAL_OP)

Typedefs
typedef struct vsf_hw_rng_t	vsf_hw_rng_t

Functions
vsf_err_t	vsf_hw_rng_init (vsf_hw_rng_t *rng)
void	vsf_hw_rng_fini (vsf_hw_rng_t *rng)
vsf_err_t	vsf_hw_rng_generate_request (vsf_hw_rng_t *rng, uint32_t *buffer, uint32_t num, void *param, vsf_rng_on_ready_callback_t *on_ready)

Macro Definition Documentation

VSF_HW_RNG_CFG_MULTI_CLASS

#define VSF_HW_RNG_CFG_MULTI_CLASS   VSF_RNG_CFG_MULTI_CLASS

VSF_RNG_CFG_IMP_PREFIX

#define VSF_RNG_CFG_IMP_PREFIX   vsf_hw

VSF_RNG_CFG_IMP_UPCASE_PREFIX

#define VSF_RNG_CFG_IMP_UPCASE_PREFIX   VSF_HW

VSF_RNG_CFG_IMP_LV0

#define VSF_RNG_CFG_IMP_LV0	(		__IDX,
			__HAL_OP
	)

Value:

    vsf_hw_rng_t VSF_MCONNECT(vsf_hw_rng, __IDX) = {                            \
        VSF_MCONNECT(VSF_HW_RNG, __IDX, _CONFIG)                                \
        __HAL_OP                                                                \
    };                                                                          \
    void VSF_MCONNECT(VSF_HW_RNG, __IDX, _IRQHandler)(void)                     \
    {                                                                           \
        uintptr_t ctx = vsf_hal_irq_enter();                                    \
        vsf_hw_rng_t *rng = &VSF_MCONNECT(vsf_hw_rng, __IDX);                   \
        AIC_TRNG_TypeDef *reg = rng->reg;                                       \
        uint32_t data = reg->trng_data;                                         \
                                                                                \
        if (!(reg->trng_status & (TRNG_SSECSQ | TRNG_SSEISQ))) {                \
            if (rng->request.buffer != NULL) {                                  \
                rng->request.buffer[rng->request.cur_num++] = data;             \
                if (rng->request.cur_num >= rng->request.num) {                 \
                    uint32_t *buffer = rng->request.buffer;                     \
                    rng->request.buffer = NULL;                                 \
                    reg->trng_en = 0;                                           \
                    if (rng->request.on_ready != NULL) {                        \
                        rng->request.on_ready(rng->request.param, buffer, rng->request.num);\
                    }                                                           \
                } else {                                                        \
                    reg->trng_en = TRNG_STRNGENQ | TRNG_STRNGIEQ;               \
                }                                                               \
            }                                                                   \
        } else {                                                                \
            reg->trng_en = TRNG_STRNGENQ | TRNG_STRNGIEQ;                       \
        }                                                                       \
        vsf_hal_irq_leave(ctx);                                                 \
    }

Typedef Documentation

vsf_hw_rng_t

typedef struct vsf_hw_rng_t vsf_hw_rng_t

Function Documentation

vsf_hw_rng_init()

vsf_err_t vsf_hw_rng_init

(

vsf_hw_rng_t *

rng

)

vsf_hw_rng_fini()

void vsf_hw_rng_fini

(

vsf_hw_rng_t *

rng

)

vsf_hw_rng_generate_request()

vsf_err_t vsf_hw_rng_generate_request	(	vsf_hw_rng_t *	rng,
		uint32_t *	buffer,
		uint32_t	num,
		void *	param,
		vsf_rng_on_ready_callback_t *	on_ready
	)