1 /* 2 * Copyright (c) 2017, Nordic Semiconductor ASA 3 * All rights reserved. 4 * 5 * SPDX-License-Identifier: BSD-3-Clause 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions are met: 9 * 10 * 1. Redistributions of source code must retain the above copyright notice, this 11 * list of conditions and the following disclaimer. 12 * 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * 3. Neither the name of Nordic Semiconductor ASA nor the names of its 18 * contributors may be used to endorse or promote products derived from this 19 * software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 22 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY, AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 25 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31 * POSSIBILITY OF SUCH DAMAGE. 32 * 33 */ 34 35 /** 36 * @brief Module that defines the pseudo-random number generator Abstraction Layer. 37 * 38 */ 39 40 #ifndef NRF_802154_RANDOM_H_ 41 #define NRF_802154_RANDOM_H_ 42 43 #include <stdbool.h> 44 #include <stdint.h> 45 46 #ifdef __cplusplus 47 extern "C" { 48 #endif 49 50 /** 51 * @defgroup nrf_802154_random Random Abstraction Layer for the 802.15.4 driver 52 * @{ 53 * @ingroup nrf_802154 54 * @brief The pseudo-random number generator Abstraction Layer interface for the 802.15.4 driver. 55 * 56 * The Random Abstraction Layer is an abstraction layer of a pseudo-random number generator that is 57 * used to perform CSMA-CA procedure correctly. 58 * 59 */ 60 61 /** 62 * @brief Initializes the random number generator. 63 */ 64 void nrf_802154_random_init(void); 65 66 /** 67 * @brief Deinitializes the random number generator. 68 */ 69 void nrf_802154_random_deinit(void); 70 71 /** 72 * @brief Gets a pseudo-random number. 73 * 74 * @returns Pseudo-random number. 75 */ 76 uint32_t nrf_802154_random_get(void); 77 78 /** 79 *@} 80 **/ 81 82 #ifdef __cplusplus 83 } 84 #endif 85 86 #endif /* NRF_802154_RANDOM_H_ */ 87
