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Dependencies:   FFT

mbed/hal/trng_api.h@7:0d62545e6d73, 2020-12-03 (annotated)

Committer:
shyamgatech
Date:
Thu Dec 03 18:15:35 2020 +0000
Revision:
7:0d62545e6d73
Parent:
0:d6c9b09b4042 
addded gui mbed code;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
annieluo2 0:d6c9b09b4042 1
annieluo2 0:d6c9b09b4042 2 /** \addtogroup hal */
annieluo2 0:d6c9b09b4042 3 /** @{*/
annieluo2 0:d6c9b09b4042 4 /* mbed Microcontroller Library
annieluo2 0:d6c9b09b4042 5 * Copyright (c) 2016 ARM Limited
annieluo2 0:d6c9b09b4042 6 *
annieluo2 0:d6c9b09b4042 7 * Licensed under the Apache License, Version 2.0 (the "License");
annieluo2 0:d6c9b09b4042 8 * you may not use this file except in compliance with the License.
annieluo2 0:d6c9b09b4042 9 * You may obtain a copy of the License at
annieluo2 0:d6c9b09b4042 10 *
annieluo2 0:d6c9b09b4042 11 * http://www.apache.org/licenses/LICENSE-2.0
annieluo2 0:d6c9b09b4042 12 *
annieluo2 0:d6c9b09b4042 13 * Unless required by applicable law or agreed to in writing, software
annieluo2 0:d6c9b09b4042 14 * distributed under the License is distributed on an "AS IS" BASIS,
annieluo2 0:d6c9b09b4042 15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
annieluo2 0:d6c9b09b4042 16 * See the License for the specific language governing permissions and
annieluo2 0:d6c9b09b4042 17 * limitations under the License.
annieluo2 0:d6c9b09b4042 18 */
annieluo2 0:d6c9b09b4042 19 #ifndef MBED_TRNG_API_H
annieluo2 0:d6c9b09b4042 20 #define MBED_TRNG_API_H
annieluo2 0:d6c9b09b4042 21
annieluo2 0:d6c9b09b4042 22 #include <stddef.h>
annieluo2 0:d6c9b09b4042 23 #include "device.h"
annieluo2 0:d6c9b09b4042 24
annieluo2 0:d6c9b09b4042 25 #if DEVICE_TRNG
annieluo2 0:d6c9b09b4042 26
annieluo2 0:d6c9b09b4042 27 /** TRNG HAL structure. trng_s is declared in the target's HAL
annieluo2 0:d6c9b09b4042 28 */
annieluo2 0:d6c9b09b4042 29 typedef struct trng_s trng_t;
annieluo2 0:d6c9b09b4042 30
annieluo2 0:d6c9b09b4042 31 #ifdef __cplusplus
annieluo2 0:d6c9b09b4042 32 extern "C" {
annieluo2 0:d6c9b09b4042 33 #endif
annieluo2 0:d6c9b09b4042 34
annieluo2 0:d6c9b09b4042 35 /**
annieluo2 0:d6c9b09b4042 36 * \defgroup hal_trng TRNG hal functions
annieluo2 0:d6c9b09b4042 37 * @{
annieluo2 0:d6c9b09b4042 38 */
annieluo2 0:d6c9b09b4042 39
annieluo2 0:d6c9b09b4042 40 /** Initialize the TRNG peripheral
annieluo2 0:d6c9b09b4042 41 *
annieluo2 0:d6c9b09b4042 42 * @param obj The TRNG object
annieluo2 0:d6c9b09b4042 43 */
annieluo2 0:d6c9b09b4042 44 void trng_init(trng_t *obj);
annieluo2 0:d6c9b09b4042 45
annieluo2 0:d6c9b09b4042 46 /** Deinitialize the TRNG peripheral
annieluo2 0:d6c9b09b4042 47 *
annieluo2 0:d6c9b09b4042 48 * @param obj The TRNG object
annieluo2 0:d6c9b09b4042 49 */
annieluo2 0:d6c9b09b4042 50 void trng_free(trng_t *obj);
annieluo2 0:d6c9b09b4042 51
annieluo2 0:d6c9b09b4042 52 /** Get random data from TRNG peripheral
annieluo2 0:d6c9b09b4042 53 *
annieluo2 0:d6c9b09b4042 54 * @param obj The TRNG object
annieluo2 0:d6c9b09b4042 55 * @param output The pointer to an output array
annieluo2 0:d6c9b09b4042 56 * @param length The size of output data, to avoid buffer overwrite
annieluo2 0:d6c9b09b4042 57 * @param output_length The length of generated data
annieluo2 0:d6c9b09b4042 58 * @return 0 success, -1 fail
annieluo2 0:d6c9b09b4042 59 */
annieluo2 0:d6c9b09b4042 60 int trng_get_bytes(trng_t *obj, uint8_t *output, size_t length, size_t *output_length);
annieluo2 0:d6c9b09b4042 61
annieluo2 0:d6c9b09b4042 62 /**@}*/
annieluo2 0:d6c9b09b4042 63
annieluo2 0:d6c9b09b4042 64 #ifdef __cplusplus
annieluo2 0:d6c9b09b4042 65 }
annieluo2 0:d6c9b09b4042 66 #endif
annieluo2 0:d6c9b09b4042 67
annieluo2 0:d6c9b09b4042 68 #endif
annieluo2 0:d6c9b09b4042 69
annieluo2 0:d6c9b09b4042 70 #endif
annieluo2 0:d6c9b09b4042 71
annieluo2 0:d6c9b09b4042 72 /** @}*/