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62 lines
1.1 KiB
C
62 lines
1.1 KiB
C
/*
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* Copyright (C) 2017 OTA keys S.A.
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*
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*/
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/**
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* @ingroup sys_fs_devfs
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* @{
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*
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* @file
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* @brief Random backends for devfs implementation
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*
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* @author Vincent Dupont <vincent@otakeys.com>
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*
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* @}
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*/
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#include "vfs.h"
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#ifdef MODULE_DEVFS_HWRNG
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#include "periph/hwrng.h"
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static ssize_t hwrng_vfs_read(vfs_file_t *filp, void *dest, size_t nbytes);
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const vfs_file_ops_t hwrng_vfs_ops = {
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.read = hwrng_vfs_read,
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};
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static ssize_t hwrng_vfs_read(vfs_file_t *filp, void *dest, size_t nbytes)
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{
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(void)filp;
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hwrng_read(dest, nbytes);
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return nbytes;
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}
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#endif /* MODULE_PERIPH_HWRNG */
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#ifdef MODULE_DEVFS_RANDOM
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#include "random.h"
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static ssize_t random_vfs_read(vfs_file_t *filp, void *dest, size_t nbytes);
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const vfs_file_ops_t random_vfs_ops = {
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.read = random_vfs_read,
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};
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static ssize_t random_vfs_read(vfs_file_t *filp, void *dest, size_t nbytes)
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{
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(void)filp;
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random_bytes(dest, nbytes);
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return nbytes;
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}
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#endif /* MODULE_RANDOM */
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