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sync_delay_init_xblock.m
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sync_delay_init_xblock.m
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% Center for Astronomy Signal Processing and Electronics Research %
% http://casper.berkeley.edu %
% Copyright (C) 2011 Hong Chen %
% %
% 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 sync_delay_init_xblock(DelayLen)
% Mask Initialization code
BitWidth = max(2, ceil(log2(DelayLen+1)));
UseCounter = 1;
if DelayLen == 0,
UseCounter = 0;
end
%% inports
xlsub2_In = xInport('In');
%% outports
xlsub2_Out = xOutport('Out');
%% diagram
% block: delay_7/sync_delay/Constant
xlsub2_Constant_out1 = xSignal;
xlsub2_Constant = xBlock(struct('source', 'Constant', 'name', 'Constant'), ...
struct('arith_type', 'Unsigned', ...
'n_bits', BitWidth, ...
'bin_pt', 0, ...
'explicit_period', 'on'), ...
{}, ...
{xlsub2_Constant_out1});
% block: delay_7/sync_delay/Constant1
xlsub2_Constant1_out1 = xSignal;
xlsub2_Constant1 = xBlock(struct('source', 'Constant', 'name', 'Constant1'), ...
struct('arith_type', 'Unsigned', ...
'const', 0, ...
'n_bits', BitWidth, ...
'bin_pt', 0, ...
'explicit_period', 'on'), ...
{}, ...
{xlsub2_Constant1_out1});
% block: delay_7/sync_delay/Constant2
xlsub2_Constant2_out1 = xSignal;
xlsub2_Constant2 = xBlock(struct('source', 'Constant', 'name', 'Constant2'), ...
struct('arith_type', 'Unsigned', ...
'const', DelayLen, ...
'n_bits', BitWidth, ...
'bin_pt', 0, ...
'explicit_period', 'on'), ...
{}, ...
{xlsub2_Constant2_out1});
% block: delay_7/sync_delay/Constant3
xlsub2_Constant3_out1 = xSignal;
xlsub2_Constant3 = xBlock(struct('source', 'Constant', 'name', 'Constant3'), ...
struct('arith_type', 'Unsigned', ...
'const', UseCounter, ...
'n_bits', 1, ...
'bin_pt', 0, ...
'explicit_period', 'on'), ...
{}, ...
{xlsub2_Constant3_out1});
% block: delay_7/sync_delay/Counter
xlsub2_Logical_out1 = xSignal;
xlsub2_Counter_out1 = xSignal;
xlsub2_Counter = xBlock(struct('source', 'Counter', 'name', 'Counter'), ...
struct('operation', 'Down', ...
'n_bits', BitWidth, ...
'load_pin', 'on', ...
'en', 'on', ...
'use_rpm', 'on'), ...
{xlsub2_In, xlsub2_Constant2_out1, xlsub2_Logical_out1}, ...
{xlsub2_Counter_out1});
% block: delay_7/sync_delay/Logical
xlsub2_Relational1_out1 = xSignal;
xlsub2_Logical = xBlock(struct('source', 'Logical', 'name', 'Logical'), ...
struct('logical_function', 'OR', ...
'n_bits', 8, ...
'bin_pt', 2), ...
{xlsub2_In, xlsub2_Relational1_out1}, ...
{xlsub2_Logical_out1});
% block: delay_7/sync_delay/Mux
xlsub2_Relational_out1 = xSignal;
xlsub2_Mux = xBlock(struct('source', 'Mux', 'name', 'Mux'), ...
struct('arith_type', 'Signed (2''s comp)', ...
'n_bits', 8, ...
'bin_pt', 2), ...
{xlsub2_Constant3_out1, xlsub2_In, xlsub2_Relational_out1}, ...
{xlsub2_Out});
% block: delay_7/sync_delay/Relational
xlsub2_Relational = xBlock(struct('source', 'Relational', 'name', 'Relational'), ...
struct('latency', 0), ...
{xlsub2_Constant_out1, xlsub2_Counter_out1}, ...
{xlsub2_Relational_out1});
% block: delay_7/sync_delay/Relational1
xlsub2_Relational1 = xBlock(struct('source', 'Relational', 'name', 'Relational1'), ...
struct('mode', 'a!=b', ...
'latency', 0), ...
{xlsub2_Counter_out1, xlsub2_Constant1_out1}, ...
{xlsub2_Relational1_out1});
% block: delay_7/sync_delay/warn period Logical0
xlsub2_warn_period_Logical0 = xBlock(struct('source', 'xbsReplacements_r4/Warning', 'name', 'warn period Logical0'), ...
struct('period', 1), ...
{}, ...
{});
% block: delay_7/sync_delay/warn period Relational10
xlsub2_warn_period_Relational10 = xBlock(struct('source', 'xbsReplacements_r4/Warning', 'name', 'warn period Relational10'), ...
struct('period', 1), ...
{}, ...
{});
end