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#include STM32_HAL_H
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static RNG_HandleTypeDef rng_handle = {
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.State = HAL_RNG_STATE_RESET,
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.Instance = RNG,
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};
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int rng_init(void) {
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__HAL_RCC_RNG_CLK_ENABLE();
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HAL_RNG_Init(&rng_handle);
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return 0;
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}
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uint32_t rng_get(void) {
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return HAL_RNG_GetRandomNumber(&rng_handle);
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}
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