22 lines
531 B
C
22 lines
531 B
C
/** esp/hwrand.h
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*
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* Hardware Random Number Generator functions.
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*
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* For documentation, see http://esp8266-re.foogod.com/wiki/Random_Number_Generator
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*
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* Part of esp-open-rtos
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* Copyright (C) 2015 Angus Gratton
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* BSD Licensed as described in the file LICENSE
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*/
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#ifndef _ESP_RNG_H
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#define _ESP_RNG_H
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#include <stdint.h>
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#include <sys/types.h>
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/* Return a random 32-bit number */
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uint32_t hwrand(void);
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/* Fill a variable size buffer with data from the Hardware RNG */
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void hwrand_fill(uint8_t *buf, size_t len);
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#endif
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