| /* Copyright (c) 2017, Nordic Semiconductor ASA |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright notice, this |
| * list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright notice, |
| * this list of conditions and the following disclaimer in the documentation |
| * and/or other materials provided with the distribution. |
| * |
| * 3. Neither the name of Nordic Semiconductor ASA nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| */ |
| |
| /** |
| * @brief This module contains buffer for frames received by nRF 802.15.4 radio driver. |
| * |
| */ |
| |
| #ifndef NRF_DRV_RADIO802154_RX_BUFFER_H_ |
| #define NRF_DRV_RADIO802154_RX_BUFFER_H_ |
| |
| #include <stdbool.h> |
| #include <stdint.h> |
| |
| #include "nrf_drv_radio802154_const.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /** |
| * @brief Structure containing received frame. |
| */ |
| typedef struct |
| { |
| uint8_t psdu[MAX_PACKET_SIZE + 1]; |
| bool free; // If this buffer is free or contains a frame. |
| } rx_buffer_t; |
| |
| /** |
| * @brief Array containing all buffers used to receive frame. |
| * |
| * This array is in global scope to allow optimizations in FSM module in case there is only |
| * one buffer provided by this module. |
| * |
| */ |
| extern rx_buffer_t nrf_drv_radio802154_rx_buffers[]; |
| |
| /** |
| * @brief Initialize buffer for received frames. |
| */ |
| void nrf_drv_radio802154_rx_buffer_init(void); |
| |
| /** |
| * @brief Get free buffer to receive a frame. |
| * |
| * @return Pointer to free buffer of NULL if no free buffer is available. |
| */ |
| rx_buffer_t * nrf_drv_radio802154_rx_buffer_free_find(void); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* NRF_DRV_RADIO802154_RX_BUFFER_H_ */ |
| |