CasperXBlock/pfb_fir_init_xblock.m at master · cs150bf/CasperXBlock · GitHub

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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%   Center for Astronomy Signal Processing and Electronics Research           %
%   http://casper.berkeley.edu                                                %
%   Copyright (C) 2011 Suraj Gowda                                            %
%                                                                             %
%   This program is free software; you can redistribute it and/or modify      %
%   it under the terms of the GNU General Public License as published by      %
%   the Free Software Foundation; either version 2 of the License, or         %
%   (at your option) any later version.                                       %
%                                                                             %
%   This program is distributed in the hope that it will be useful,           %
%   but WITHOUT ANY WARRANTY; without even the implied warranty of            %
%   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the             %
%   GNU General Public License for more details.                              %
%                                                                             %
%   You should have received a copy of the GNU General Public License along   %
%   with this program; if not, write to the Free Software Foundation, Inc.,   %
%   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.               %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
function pfb_fir_init_xblock(varargin)

defaults = {'PFBSize', 5, 'TotalTaps', 2, ...
    'WindowType', 'hamming', 'n_inputs', 1, 'MakeBiplex', 0, ...
    'BitWidthIn', 8, 'BitWidthOut', 18, 'CoeffBitWidth', 18, ...
    'CoeffDistMem', 0, 'add_latency', 1, 'mult_latency', 2, ...
    'bram_latency', 2, ...
    'quantization', 'Round  (unbiased: +/- Inf)', ...
    'fwidth', 1, 'specify_mult', 'off', 'mult_spec', [2 2], ...
    'adder_tree_impl', 'Behavioral', 'mult_impl', 'Fabric', ...
	'input_latency', 0, 'input_type', 'Complex', 'biplex_inputs', 0};

PFBSize = get_var('PFBSize', 'defaults', defaults, varargin{:});
TotalTaps = get_var('TotalTaps', 'defaults', defaults, varargin{:});
WindowType = get_var('WindowType', 'defaults', defaults, varargin{:});
n_inputs = get_var('n_inputs', 'defaults', defaults, varargin{:});
MakeBiplex = get_var('	', 'defaults', defaults, varargin{:});
BitWidthIn = get_var('BitWidthIn', 'defaults', defaults, varargin{:});
BitWidthOut = get_var('BitWidthOut', 'defaults', defaults, varargin{:});
CoeffBitWidth = get_var('CoeffBitWidth', 'defaults', defaults, varargin{:});
CoeffDistMem = get_var('CoeffDistMem', 'defaults', defaults, varargin{:});
add_latency = get_var('add_latency', 'defaults', defaults, varargin{:});
mult_latency = get_var('mult_latency', 'defaults', defaults, varargin{:});
bram_latency = get_var('bram_latency', 'defaults', defaults, varargin{:});
conv_latency = get_var('bram_latency', 'defaults', defaults, varargin{:});
quantization = get_var('quantization', 'defaults', defaults, varargin{:});
fwidth = get_var('fwidth', 'defaults', defaults, varargin{:});

adder_tree_impl = get_var('adder_tree_impl', 'defaults', defaults, varargin{:});
mult_impl = get_var('mult_impl', 'defaults', defaults, varargin{:});
input_latency = get_var('input_latency', 'defaults', defaults, varargin{:});
input_type = get_var('input_type', 'defaults', defaults, varargin{:});
biplex_inputs = get_var('biplex_inputs', 'defaults', defaults, varargin{:});

%% inports & outports

sync_in = xInport('sync');
sync_out = xOutport('sync_out');

if biplex_inputs
	pols = 2;
else
    pols = 1;
end

for p = 1:pols,
    for k=1:2^n_inputs
        % declare input port
        pol1_in_k = xInport(['pol', num2str(p), '_in', num2str(k)]);

        % declare output port
        pol1_out_k = xOutport(['pol', num2str(p), '_out', num2str(k)]);

        % config for pfb_row
        pfb_row_k_config.source = str2func('pfb_row_init_xblock');
        pfb_row_k_config.name   = ['pfb_row_', num2str(p), num2str(k)];

        sync_out_conn = '';
        if k == 1 && p == 1,
            sync_out_conn = sync_out;
        end


        pfb_row_block = xBlock(pfb_row_k_config, ...
        	{'nput', k-1, 'PFBSize', PFBSize, 'CoeffBitWidth', CoeffBitWidth, 'TotalTaps', TotalTaps, ...
            'BitWidthIn', BitWidthIn, 'BitWidthOut', BitWidthOut, 'CoeffDistMem', CoeffDistMem, 'WindowType', WindowType, 'add_latency', add_latency, ...
            'mult_latency', mult_latency, 'bram_latency', bram_latency, 'n_inputs', n_inputs, ...
            'fwidth', fwidth, 'conv_latency', conv_latency, 'adder_tree_impl', adder_tree_impl, 'quantization', quantization, 'mult_impl', mult_impl}, ...
            {pol1_in_k, sync_in},... % inputs
            {sync_out_conn, pol1_out_k});    % outputs

    end
end

end