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[/] [ht_tunnel/] [tags/] [START/] [rtl/] [systemc/] [decoder_l2/] [cd_counter_l3.cpp] - Rev 19
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// cd_counter_l3.cpp /* ***** BEGIN LICENSE BLOCK ***** * Version: MPL 1.1 * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is HyperTransport Tunnel IP Core. * * The Initial Developer of the Original Code is * Ecole Polytechnique de Montreal. * Portions created by the Initial Developer are Copyright (C) 2005 * the Initial Developer. All Rights Reserved. * * Contributor(s): * Max-Elie Salomon * Ami Castonguay <acastong@grm.polymtl.ca> * * Alternatively, the contents of this file may be used under the terms * of the Polytechnique HyperTransport Tunnel IP Core Source Code License * (the "PHTICSCL License", see the file PHTICSCL.txt), in which case the * provisions of PHTICSCL License are applicable instead of those * above. If you wish to allow use of your version of this file only * under the terms of the PHTICSCL License and not to allow others to use * your version of this file under the MPL, indicate your decision by * deleting the provisions above and replace them with the notice and * other provisions required by the PHTICSCL License. If you do not delete * the provisions above, a recipient may use your version of this file * under either the MPL or the PHTICSCL License." * * ***** END LICENSE BLOCK ***** */ #include "cd_counter_l3.h" cd_counter_l3::cd_counter_l3(sc_module_name name) : sc_module(name) { SC_METHOD(count_process); sensitive_neg << resetx; sensitive_pos<<clk; } void cd_counter_l3::count_process() { sc_bv<4> count; count = data.read().range(25,22); //At reset, count goes back to 0 and default outputs if (!resetx.read()){ countVal = 0; //count_done = true; end_of_count = true; } else{ //If we are setting a new count if(setCnt.read()){ countVal = sc_uint<4>(count); //count_done = false; //If the count is 0, then there is only one data dword, so //the next one is the last. if(sc_uint<4>(count) == 0){; end_of_count = true; } else{ end_of_count = false; } } //If we decrement, but it is not the last data else if (decrCnt.read() && countVal.read() !=0){ countVal = countVal.read() - 1; //count_done = false; if(countVal.read() == 1){ end_of_count = true; } else{ end_of_count = false; } } //If we decrement, and that we reached the end of the count, output //that the count is done else if (decrCnt.read()){ countVal = countVal.read(); end_of_count = true; //count_done = true; } } }