Kev Mann / mbed-dev-OS5_10_4

RTC auf true

features/lwipstack/lwip-sys/lwip_random.h@2:7aab896b1a3b, 2019-03-13 (annotated)

Committer:
kevman
Date:
Wed Mar 13 11:03:24 2019 +0000
Revision:
2:7aab896b1a3b
Parent:
0:38ceb79fef03 
2019-03-13

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kevman 0:38ceb79fef03 1 /* mbed Microcontroller Library
kevman 0:38ceb79fef03 2 * Copyright (c) 2017 ARM Limited
kevman 0:38ceb79fef03 3 *
kevman 0:38ceb79fef03 4 * Licensed under the Apache License, Version 2.0 (the "License");
kevman 0:38ceb79fef03 5 * you may not use this file except in compliance with the License.
kevman 0:38ceb79fef03 6 * You may obtain a copy of the License at
kevman 0:38ceb79fef03 7 *
kevman 0:38ceb79fef03 8 * http://www.apache.org/licenses/LICENSE-2.0
kevman 0:38ceb79fef03 9 *
kevman 0:38ceb79fef03 10 * Unless required by applicable law or agreed to in writing, software
kevman 0:38ceb79fef03 11 * distributed under the License is distributed on an "AS IS" BASIS,
kevman 0:38ceb79fef03 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
kevman 0:38ceb79fef03 13 * See the License for the specific language governing permissions and
kevman 0:38ceb79fef03 14 * limitations under the License.
kevman 0:38ceb79fef03 15 */
kevman 0:38ceb79fef03 16
kevman 0:38ceb79fef03 17 #ifndef LWIP_HDR_RANDOM_H
kevman 0:38ceb79fef03 18 #define LWIP_HDR_RANDOM_H
kevman 0:38ceb79fef03 19
kevman 0:38ceb79fef03 20 #ifdef __cplusplus
kevman 0:38ceb79fef03 21 extern "C" {
kevman 0:38ceb79fef03 22 #endif
kevman 0:38ceb79fef03 23
kevman 0:38ceb79fef03 24 /** Init seed for Pseudo Random
kevman 0:38ceb79fef03 25 *
kevman 0:38ceb79fef03 26 * Function shall seed the pseudo-random generator. Function
kevman 0:38ceb79fef03 27 * is called during lwip initialisation.
kevman 0:38ceb79fef03 28 */
kevman 0:38ceb79fef03 29 void lwip_seed_random(void);
kevman 0:38ceb79fef03 30
kevman 0:38ceb79fef03 31 /** Update seed for pseudo-random generator
kevman 0:38ceb79fef03 32 *
kevman 0:38ceb79fef03 33 * Adds seed information to existing generator, to perturb the
kevman 0:38ceb79fef03 34 * sequence.
kevman 0:38ceb79fef03 35 *
kevman 0:38ceb79fef03 36 * @param seed 64 bits of data to add to the seed.
kevman 0:38ceb79fef03 37 */
kevman 0:38ceb79fef03 38 void lwip_add_random_seed(uint64_t seed);
kevman 0:38ceb79fef03 39
kevman 0:38ceb79fef03 40 /** Generates random number.
kevman 0:38ceb79fef03 41 *
kevman 0:38ceb79fef03 42 * @return 32-bit random number
kevman 0:38ceb79fef03 43 */
kevman 0:38ceb79fef03 44 uint32_t lwip_get_random(void);
kevman 0:38ceb79fef03 45
kevman 0:38ceb79fef03 46 #ifdef __cplusplus
kevman 0:38ceb79fef03 47 }
kevman 0:38ceb79fef03 48 #endif
kevman 0:38ceb79fef03 49
kevman 0:38ceb79fef03 50 #endif /* LWIP_HDR_RANDOM_H */