mirror of
https://github.com/Nuand/bladeRF-wiphy.git
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85 lines
2.8 KiB
VHDL
85 lines
2.8 KiB
VHDL
-- This file is part of bladeRF-wiphy.
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--
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-- Copyright (C) 2020 Nuand, LLC.
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--
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-- This program is free software; you can redistribute it and/or modify
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-- it under the terms of the GNU General Public License as published by
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-- the Free Software Foundation; either version 2 of the License, or
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-- (at your option) any later version.
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--
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-- This program 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 General Public License for more details.
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--
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-- You should have received a copy of the GNU General Public License along
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-- with this program; if not, write to the Free Software Foundation, Inc.,
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-- 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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library ieee ;
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use ieee.std_logic_1164.all ;
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use ieee.numeric_std.all ;
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use ieee.math_real.all ;
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library work ;
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use work.wlan_p.all ;
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package wlan_rx_p is
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type wlan_rx_status_t is (RX_IDLE, RX_ACTIVE, RX_FAULT_SIGNAL_INVALID, RX_FAULT_OVERFLOW) ;
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type wlan_rx_vector_t is record
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length : positive range 1 to 4095 ;
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datarate : wlan_datarate_t ;
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bandwidth : wlan_bandwidth_t ;
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end record ;
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type wlan_rx_params_t is record
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n_bpsc : natural range 1 to 6 ;
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n_cbps : natural range 48 to 288 ;
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n_dbps : natural range 24 to 216 ;
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bandwidth : wlan_bandwidth_t ;
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modulation : wlan_modulation_t ;
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datarate : wlan_datarate_t ;
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length : natural range 1 to 4095 ;
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lfsr_init : unsigned(6 downto 0) ;
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num_data_symbols : natural range 1 to 12000 ;
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num_padding_bits : natural range 0 to 287 ;
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num_decoded_bits : natural range 0 to 32768 ;
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packet_valid : std_logic ;
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end record ;
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function NULL_PARAMS return wlan_rx_params_t ;
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function NULL_RX_VECTOR return wlan_rx_vector_t ;
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end package ;
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package body wlan_rx_p is
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function NULL_PARAMS return wlan_rx_params_t is
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variable rv : wlan_rx_params_t ;
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begin
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rv.n_bpsc := 1 ;
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rv.n_cbps := 48 ;
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rv.n_dbps := 24 ;
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rv.bandwidth := WLAN_BW_20 ;
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rv.modulation := WLAN_BPSK ;
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rv.datarate := WLAN_RATE_6 ;
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rv.length := 1 ;
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rv.lfsr_init := (others =>'1') ;
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rv.num_data_symbols := 1 ;
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rv.num_padding_bits := 0 ;
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return rv ;
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end function ;
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function NULL_RX_VECTOR return wlan_rx_vector_t is
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variable rv : wlan_rx_vector_t ;
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begin
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rv.length := 1 ;
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rv.datarate := WLAN_RATE_6 ;
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rv.bandwidth := WLAN_BW_20 ;
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return rv ;
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end function ;
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end package body ;
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