112855Sgabeblack@google.com/***************************************************************************** 212855Sgabeblack@google.com 312855Sgabeblack@google.com Licensed to Accellera Systems Initiative Inc. (Accellera) under one or 412855Sgabeblack@google.com more contributor license agreements. See the NOTICE file distributed 512855Sgabeblack@google.com with this work for additional information regarding copyright ownership. 612855Sgabeblack@google.com Accellera licenses this file to you under the Apache License, Version 2.0 712855Sgabeblack@google.com (the "License"); you may not use this file except in compliance with the 812855Sgabeblack@google.com License. You may obtain a copy of the License at 912855Sgabeblack@google.com 1012855Sgabeblack@google.com http://www.apache.org/licenses/LICENSE-2.0 1112855Sgabeblack@google.com 1212855Sgabeblack@google.com Unless required by applicable law or agreed to in writing, software 1312855Sgabeblack@google.com distributed under the License is distributed on an "AS IS" BASIS, 1412855Sgabeblack@google.com WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or 1512855Sgabeblack@google.com implied. See the License for the specific language governing 1612855Sgabeblack@google.com permissions and limitations under the License. 1712855Sgabeblack@google.com 1812855Sgabeblack@google.com *****************************************************************************/ 1912855Sgabeblack@google.com 2012855Sgabeblack@google.com/***************************************************************************** 2112855Sgabeblack@google.com 2212855Sgabeblack@google.com dataflow.cpp -- 2312855Sgabeblack@google.com 2412855Sgabeblack@google.com Original Author: Martin Janssen, Synopsys, Inc., 2002-02-15 2512855Sgabeblack@google.com 2612855Sgabeblack@google.com *****************************************************************************/ 2712855Sgabeblack@google.com 2812855Sgabeblack@google.com/***************************************************************************** 2912855Sgabeblack@google.com 3012855Sgabeblack@google.com MODIFICATION LOG - modifiers, enter your name, affiliation, date and 3112855Sgabeblack@google.com changes you are making here. 3212855Sgabeblack@google.com 3312855Sgabeblack@google.com Name, Affiliation, Date: 3412855Sgabeblack@google.com Description of Modification: 3512855Sgabeblack@google.com 3612855Sgabeblack@google.com *****************************************************************************/ 3712855Sgabeblack@google.com 3812855Sgabeblack@google.com#include "systemc.h" 3912855Sgabeblack@google.com 4012855Sgabeblack@google.comSC_MODULE( sawtooth ) 4112855Sgabeblack@google.com{ 4212855Sgabeblack@google.com SC_HAS_PROCESS( sawtooth ); 4312855Sgabeblack@google.com 4412855Sgabeblack@google.com sc_in_clk clk; 4512855Sgabeblack@google.com 4612855Sgabeblack@google.com sc_fifo<int>& out1; 4712855Sgabeblack@google.com sc_fifo<int>& out2; 4812855Sgabeblack@google.com 4912855Sgabeblack@google.com sawtooth( sc_module_name NAME, 5012855Sgabeblack@google.com sc_clock& CLK, 5112855Sgabeblack@google.com sc_fifo<int>& OUT1, 5212855Sgabeblack@google.com sc_fifo<int>& OUT2 ) 5312855Sgabeblack@google.com : out1(OUT1), out2(OUT2) 5412855Sgabeblack@google.com { 5512855Sgabeblack@google.com clk(CLK); 5612855Sgabeblack@google.com SC_THREAD( entry ); 5712855Sgabeblack@google.com sensitive << clk.pos(); 5812855Sgabeblack@google.com } 5912855Sgabeblack@google.com 6012855Sgabeblack@google.com void entry(); 6112855Sgabeblack@google.com}; 6212855Sgabeblack@google.com 6312855Sgabeblack@google.comvoid sawtooth::entry() 6412855Sgabeblack@google.com{ 6512855Sgabeblack@google.com int index = 0; 6612855Sgabeblack@google.com while (true) { 6712855Sgabeblack@google.com wait(); 6812855Sgabeblack@google.com out1.write(index % 17); 6912855Sgabeblack@google.com out2.write(index % 17); 7012855Sgabeblack@google.com index++; 7112855Sgabeblack@google.com } 7212855Sgabeblack@google.com} 7312855Sgabeblack@google.com 7412855Sgabeblack@google.comSC_MODULE( delay ) 7512855Sgabeblack@google.com{ 7612855Sgabeblack@google.com SC_HAS_PROCESS( delay ); 7712855Sgabeblack@google.com 7812855Sgabeblack@google.com sc_in_clk clk; 7912855Sgabeblack@google.com 8012855Sgabeblack@google.com sc_fifo<int>& in; 8112855Sgabeblack@google.com sc_fifo<int>& out; 8212855Sgabeblack@google.com 8312855Sgabeblack@google.com delay( sc_module_name NAME, 8412855Sgabeblack@google.com sc_clock& CLK, 8512855Sgabeblack@google.com sc_fifo<int>& IN_, 8612855Sgabeblack@google.com sc_fifo<int>& OUT_ ) 8712855Sgabeblack@google.com : in(IN_), out(OUT_) 8812855Sgabeblack@google.com { 8912855Sgabeblack@google.com clk(CLK); 9012855Sgabeblack@google.com SC_THREAD( entry ); 9112855Sgabeblack@google.com sensitive << clk.pos(); 9212855Sgabeblack@google.com } 9312855Sgabeblack@google.com 9412855Sgabeblack@google.com void entry(); 9512855Sgabeblack@google.com}; 9612855Sgabeblack@google.com 9712855Sgabeblack@google.comvoid delay::entry() 9812855Sgabeblack@google.com{ 9912855Sgabeblack@google.com int buffer = 0; 10012855Sgabeblack@google.com 10112855Sgabeblack@google.com while (true) { 10212855Sgabeblack@google.com out.write(buffer); 10312855Sgabeblack@google.com buffer = in.read(); 10412855Sgabeblack@google.com } 10512855Sgabeblack@google.com} 10612855Sgabeblack@google.com 10712855Sgabeblack@google.comSC_MODULE( downsample ) 10812855Sgabeblack@google.com{ 10912855Sgabeblack@google.com SC_HAS_PROCESS( downsample ); 11012855Sgabeblack@google.com 11112855Sgabeblack@google.com sc_in_clk clk; 11212855Sgabeblack@google.com 11312855Sgabeblack@google.com sc_fifo<int>& in; 11412855Sgabeblack@google.com sc_fifo<int>& out; 11512855Sgabeblack@google.com 11612855Sgabeblack@google.com downsample( sc_module_name NAME, 11712855Sgabeblack@google.com sc_clock& CLK, 11812855Sgabeblack@google.com sc_fifo<int>& IN_, 11912855Sgabeblack@google.com sc_fifo<int>& OUT_ ) 12012855Sgabeblack@google.com : in(IN_), out(OUT_) 12112855Sgabeblack@google.com { 12212855Sgabeblack@google.com clk(CLK); 12312855Sgabeblack@google.com SC_THREAD( entry ); 12412855Sgabeblack@google.com sensitive << clk.pos(); 12512855Sgabeblack@google.com } 12612855Sgabeblack@google.com 12712855Sgabeblack@google.com void entry(); 12812855Sgabeblack@google.com}; 12912855Sgabeblack@google.com 13012855Sgabeblack@google.comvoid downsample::entry() 13112855Sgabeblack@google.com{ 13212855Sgabeblack@google.com int temp; 13312855Sgabeblack@google.com while (true) { 13412855Sgabeblack@google.com temp = in.read(); 13512855Sgabeblack@google.com temp = in.read(); 13612855Sgabeblack@google.com out.write(temp); 13712855Sgabeblack@google.com } 13812855Sgabeblack@google.com} 13912855Sgabeblack@google.com 14012855Sgabeblack@google.comSC_MODULE( upsample ) 14112855Sgabeblack@google.com{ 14212855Sgabeblack@google.com SC_HAS_PROCESS( upsample ); 14312855Sgabeblack@google.com 14412855Sgabeblack@google.com sc_in_clk clk; 14512855Sgabeblack@google.com 14612855Sgabeblack@google.com sc_fifo<int>& in; 14712855Sgabeblack@google.com sc_fifo<int>& out; 14812855Sgabeblack@google.com 14912855Sgabeblack@google.com upsample( sc_module_name NAME, 15012855Sgabeblack@google.com sc_clock& CLK, 15112855Sgabeblack@google.com sc_fifo<int>& IN_, 15212855Sgabeblack@google.com sc_fifo<int>& OUT_ ) 15312855Sgabeblack@google.com : in(IN_), out(OUT_) 15412855Sgabeblack@google.com { 15512855Sgabeblack@google.com clk(CLK); 15612855Sgabeblack@google.com SC_THREAD( entry ); 15712855Sgabeblack@google.com sensitive << clk.pos(); 15812855Sgabeblack@google.com } 15912855Sgabeblack@google.com 16012855Sgabeblack@google.com void entry(); 16112855Sgabeblack@google.com}; 16212855Sgabeblack@google.com 16312855Sgabeblack@google.comvoid upsample::entry() 16412855Sgabeblack@google.com{ 16512855Sgabeblack@google.com while(true) { 16612855Sgabeblack@google.com out.write(in.read()); 16712855Sgabeblack@google.com out.write(0); 16812855Sgabeblack@google.com } 16912855Sgabeblack@google.com} 17012855Sgabeblack@google.com 17112855Sgabeblack@google.comSC_MODULE( adder ) 17212855Sgabeblack@google.com{ 17312855Sgabeblack@google.com SC_HAS_PROCESS( adder ); 17412855Sgabeblack@google.com 17512855Sgabeblack@google.com sc_in_clk clk; 17612855Sgabeblack@google.com 17712855Sgabeblack@google.com sc_fifo<int>& a; 17812855Sgabeblack@google.com sc_fifo<int>& b; 17912855Sgabeblack@google.com 18012855Sgabeblack@google.com adder( sc_module_name NAME, 18112855Sgabeblack@google.com sc_clock& CLK, 18212855Sgabeblack@google.com sc_fifo<int>& A, 18312855Sgabeblack@google.com sc_fifo<int>& B ) 18412855Sgabeblack@google.com : a(A), b(B) 18512855Sgabeblack@google.com { 18612855Sgabeblack@google.com clk(CLK); 18712855Sgabeblack@google.com SC_THREAD( entry ); 18812855Sgabeblack@google.com sensitive << clk.pos(); 18912855Sgabeblack@google.com } 19012855Sgabeblack@google.com 19112855Sgabeblack@google.com void entry(); 19212855Sgabeblack@google.com}; 19312855Sgabeblack@google.com 19412855Sgabeblack@google.comvoid adder::entry() 19512855Sgabeblack@google.com{ 19612855Sgabeblack@google.com while(true) { 19712855Sgabeblack@google.com int tmp = a.read() + b.read(); 19812855Sgabeblack@google.com cout << "Sum = " << tmp << endl; 19912855Sgabeblack@google.com } 20012855Sgabeblack@google.com} 20112855Sgabeblack@google.com 20212855Sgabeblack@google.com 20312855Sgabeblack@google.comint sc_main(int ac, char *av[]) 20412855Sgabeblack@google.com{ 20512855Sgabeblack@google.com sc_fifo<int> st1("ST1", 2), st2("ST2", 2); 20612855Sgabeblack@google.com sc_fifo<int> a1("A1", 2), a2("A2", 2), a3("A3", 2); 20712855Sgabeblack@google.com sc_fifo<int> b1("B1", 2), b2("B2", 2), b3("B3", 2); 20812855Sgabeblack@google.com 20912855Sgabeblack@google.com sc_clock clock("CLOCK"); 21012855Sgabeblack@google.com 21112855Sgabeblack@google.com sawtooth ST("TB1", clock, st1, st2); 21212855Sgabeblack@google.com 21312855Sgabeblack@google.com delay D1("D1", clock, st1, a1); 21412855Sgabeblack@google.com downsample DN1("DN1", clock, a1, a2); 21512855Sgabeblack@google.com upsample UP1("UP1", clock, a2, a3); 21612855Sgabeblack@google.com 21712855Sgabeblack@google.com downsample DN2("DN2", clock, st2, b1); 21812855Sgabeblack@google.com upsample UP2("UP2", clock, b1, b2); 21912855Sgabeblack@google.com delay D2("D2", clock, b2, b3); 22012855Sgabeblack@google.com 22112855Sgabeblack@google.com adder A ("A", clock, a3, b3); 22212855Sgabeblack@google.com 22312855Sgabeblack@google.com sc_start(100, SC_NS); 22412855Sgabeblack@google.com 22512855Sgabeblack@google.com return 0; 22612855Sgabeblack@google.com} 227