RNG

SiFli 芯片組內(nèi)部的 RNG（隨機(jī)數(shù)生成器）模塊用于生成隨機(jī)數(shù)種子和隨機(jī)數(shù)。 建議用戶使用自己的隨機(jī)算法生成隨機(jī)數(shù)以獲得更好的隨機(jī)性，同時(shí)使用硬件生成的隨機(jī)數(shù)作為種子。

使用RNG.

{
    #include "bf0_hal.h"
    
    ...    
    RNG_HandleTypeDef   RngHandle;
    
    if (HAL_RNG_Init(&RngHandle) == HAL_OK) {                       // Initialize RNG module
        uint32_t value = 0;
        if (HAL_RNG_Generate(&RngHandle, &value,  1)== HAL_OK)      // Generate random seed
            printf("Generated Randome seed %d\n", value);
        if (HAL_RNG_Generate(&RngHandle, &value,  0)== HAL_OK)      // Generate random number, it is recommed to use this number as random seed to user random algorithm
            printf("Generated Randome number %d\n", value);            
    }
    ...
}