[374] | 1 | /* mbed Microcontroller Library
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| 2 | * Copyright (c) 2006-2017 ARM Limited
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| 3 | *
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| 4 | * Licensed under the Apache License, Version 2.0 (the "License");
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| 5 | * you may not use this file except in compliance with the License.
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| 6 | * You may obtain a copy of the License at
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| 7 | *
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| 8 | * http://www.apache.org/licenses/LICENSE-2.0
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| 9 | *
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| 10 | * Unless required by applicable law or agreed to in writing, software
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| 11 | * distributed under the License is distributed on an "AS IS" BASIS,
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| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| 13 | * See the License for the specific language governing permissions and
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| 14 | * limitations under the License.
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| 15 | */
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| 16 |
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| 17 | #if defined(DEVICE_TRNG)
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| 18 | #include "trng_api.h"
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| 19 |
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| 20 | #if defined(TARGET_GR_LYCHEE) || defined(TARGET_RZA1H)
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| 21 |
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| 22 | extern void trng_init_esp32(void);
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| 23 | extern void trng_free_esp32(void);
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| 24 | extern int trng_get_bytes_esp32(uint8_t *output, size_t length, size_t *output_length);
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| 25 |
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| 26 | void trng_init(trng_t *obj)
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| 27 | {
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| 28 | trng_init_esp32();
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| 29 | }
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| 30 |
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| 31 | void trng_free(trng_t *obj)
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| 32 | {
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| 33 | trng_free_esp32();
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| 34 | }
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| 35 |
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| 36 | int trng_get_bytes(trng_t *obj, uint8_t *output, size_t length, size_t *output_length)
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| 37 | {
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| 38 | return trng_get_bytes_esp32(output, length, output_length);
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| 39 | }
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| 40 | #else
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| 41 | #error "There is no initialization processing."
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| 42 | #endif
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| 43 | #endif
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