sys_drbg.h

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#ifndef SYS_DRBG_H_
#define SYS_DRBG_H_
 
 
#if dg_configUSE_SYS_DRBG
 
#include "sdk_defs.h"
 
/*
 * TYPE DEFINITIONS
 *****************************************************************************************
 */
 
typedef enum {
        SYS_DRBG_ERROR_NONE             =  0,   
        SYS_DRBG_ERROR_BUFFER_EXHAUSTED = -1,   
} SYS_DRBG_ERROR;
 
/*
 * FUNCTION DECLARATIONS
 *****************************************************************************************
 */
 
#if (dg_configUSE_SYS_TRNG == 0)
 
bool sys_drbg_can_run(void);
#endif /* dg_configUSE_SYS_TRNG */
 
void sys_drbg_srand(void);
 
#if defined(OS_PRESENT)
 
void sys_drbg_create_os_objects(void);
#endif /* OS_PRESENT */
 
void sys_drbg_init(void);
 
SYS_DRBG_ERROR sys_drbg_read_rand(uint32_t *rand_number);
 
#if !defined(OS_PRESENT)
 
void sys_drbg_update(void);
#endif /* OS_PRESENT */
 
uint32_t sys_drbg_read_index(void);
 
uint32_t sys_drbg_read_threshold(void);
 
uint8_t sys_drbg_read_request(void);
 
#endif /* dg_configUSE_SYS_DRBG */
 
 
#endif /* SYS_DRBG_H_ */