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92 lines
3.3 KiB
C
92 lines
3.3 KiB
C
/*
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* Copyright 2013-2020 Software Radio Systems Limited
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*
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* This file is part of srsLTE.
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*
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* srsLTE is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version.
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*
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* srsLTE is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* A copy of the GNU Affero General Public License can be found in
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* the LICENSE file in the top-level directory of this distribution
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* and at http://www.gnu.org/licenses/.
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*
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*/
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/******************************************************************************
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* File: softbuffer.h
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*
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* Description: Buffer for RX and TX soft bits. This should be provided by MAC.
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* Provided here basically for the examples.
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*
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* Reference:
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*****************************************************************************/
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#ifndef SRSLTE_SOFTBUFFER_H
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#define SRSLTE_SOFTBUFFER_H
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#include "srslte/config.h"
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typedef struct SRSLTE_API {
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uint32_t max_cb;
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uint32_t max_cb_size;
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int16_t** buffer_f;
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uint8_t** data;
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bool* cb_crc;
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bool tb_crc;
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} srslte_softbuffer_rx_t;
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typedef struct SRSLTE_API {
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uint32_t max_cb;
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uint32_t max_cb_size;
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uint8_t** buffer_b;
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} srslte_softbuffer_tx_t;
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#define SOFTBUFFER_SIZE 18600
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SRSLTE_API int srslte_softbuffer_rx_init(srslte_softbuffer_rx_t* q, uint32_t nof_prb);
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/**
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* @brief Initialises Rx soft-buffer for a number of code blocks and their size
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* @param q The Rx soft-buffer pointer
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* @param max_cb The maximum number of code blocks to allocate
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* @param max_cb_size The code block size to allocate
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* @return It returns SRSLTE_SUCCESS if it allocates the soft-buffer succesfully, otherwise it returns SRSLTE_ERROR code
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*/
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SRSLTE_API int srslte_softbuffer_rx_init_guru(srslte_softbuffer_rx_t* q, uint32_t max_cb, uint32_t max_cb_size);
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SRSLTE_API void srslte_softbuffer_rx_reset(srslte_softbuffer_rx_t* p);
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SRSLTE_API void srslte_softbuffer_rx_reset_tbs(srslte_softbuffer_rx_t* q, uint32_t tbs);
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SRSLTE_API void srslte_softbuffer_rx_reset_cb(srslte_softbuffer_rx_t* q, uint32_t nof_cb);
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SRSLTE_API void srslte_softbuffer_rx_free(srslte_softbuffer_rx_t* p);
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SRSLTE_API int srslte_softbuffer_tx_init(srslte_softbuffer_tx_t* q, uint32_t nof_prb);
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/**
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* @brief Initialises Tx soft-buffer for a number of code blocks and their size
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* @param q The Tx soft-buffer pointer
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* @param max_cb The maximum number of code blocks to allocate
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* @param max_cb_size The code block size to allocate
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* @return It returns SRSLTE_SUCCESS if it allocates the soft-buffer succesfully, otherwise it returns SRSLTE_ERROR code
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*/
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SRSLTE_API int srslte_softbuffer_tx_init_guru(srslte_softbuffer_tx_t* q, uint32_t max_cb, uint32_t max_cb_size);
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SRSLTE_API void srslte_softbuffer_tx_reset(srslte_softbuffer_tx_t* p);
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SRSLTE_API void srslte_softbuffer_tx_reset_tbs(srslte_softbuffer_tx_t* q, uint32_t tbs);
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SRSLTE_API void srslte_softbuffer_tx_reset_cb(srslte_softbuffer_tx_t* q, uint32_t nof_cb);
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SRSLTE_API void srslte_softbuffer_tx_free(srslte_softbuffer_tx_t* p);
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#endif // SRSLTE_SOFTBUFFER_H
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