sys_trng_v2.h

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#ifndef SYS_TRNG_V2_H_
#define SYS_TRNG_V2_H_
 
 
#if dg_configUSE_SYS_TRNG
 
#include <stdint.h>
#include "sdk_defs.h"
#include "iid_platform.h"
#include "iid_irng.h"
#include "iid_aes_types.h"
#include "iid_return_codes.h"
 
/*
 * MACROS
 *****************************************************************************************
 */
 
#define SYS_TRNG_SEED_SIZE                              (IRNG_RANDOM_SEED_SIZE_BYTES)
 
#define SYS_TRNG_MEMORY_BLOCKS                          (IRNG_MINIMUM_SRAM_PUF_BLOCKS + 4)
 
#if (SYS_TRNG_MEMORY_BLOCKS < IRNG_MINIMUM_SRAM_PUF_BLOCKS)
#error "The number of SYS_TRNG_MEMORY_BLOCKS must be equal or greater than IRNG_MINIMUM_SRAM_PUF_BLOCKS"
#endif
 
/*
 * TYPE DEFINITIONS
 *****************************************************************************************
 */
 
typedef enum {
        SYS_TRNG_ERROR_NONE                     = IID_SUCCESS,
        SYS_TRNG_ERROR_NOT_ALLOWED              = IID_NOT_ALLOWED,
        SYS_TRNG_ERROR_INVALID_PARAMETERS       = IID_INVALID_PARAMETERS,
        SYS_TRNG_ERROR_INVALID_SRAM_PUF_DATA    = IID_ERROR_SRAM_PUF_DATA,
        SYS_TRNG_ERROR_INSUFFICIENT_SRAM_BLOCKS = IID_ERROR_INSUFFICIENT_SRAM_BLOCKS,
        SYS_TRNG_ERROR_AES_TIMEOUT              = IID_ERROR_AES_TIMEOUT,
        SYS_TRNG_ERROR_AES_FAILED               = IID_ERROR_AES_FAILED,
} SYS_TRNG_ERROR;
 
/*
 * FUNCTION DECLARATIONS
 *****************************************************************************************
 */
 
bool sys_trng_can_run(void);
 
SYS_TRNG_ERROR sys_trng_init(void);
 
 
#endif /* dg_configUSE_SYS_TRNG */
 
 
#endif /* SYS_TRNG_V2_H_ */