accessor.cpp revision 12855:588919e0e4aa
1/***************************************************************************** 2 3 Licensed to Accellera Systems Initiative Inc. (Accellera) under one or 4 more contributor license agreements. See the NOTICE file distributed 5 with this work for additional information regarding copyright ownership. 6 Accellera licenses this file to you under the Apache License, Version 2.0 7 (the "License"); you may not use this file except in compliance with the 8 License. You may obtain a copy of the License at 9 10 http://www.apache.org/licenses/LICENSE-2.0 11 12 Unless required by applicable law or agreed to in writing, software 13 distributed under the License is distributed on an "AS IS" BASIS, 14 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or 15 implied. See the License for the specific language governing 16 permissions and limitations under the License. 17 18 *****************************************************************************/ 19 20/***************************************************************************** 21 22 accessor.cpp -- 23 24 Original Author: Martin Janssen, Synopsys, Inc., 2002-02-15 25 26 *****************************************************************************/ 27 28/***************************************************************************** 29 30 MODIFICATION LOG - modifiers, enter your name, affiliation, date and 31 changes you are making here. 32 33 Name, Affiliation, Date: 34 Description of Modification: 35 36 *****************************************************************************/ 37 38/* Filename accessor.cc */ 39/* This is the implementation file for synchronous process 'accessor' */ 40 41#include "accessor.h" 42 43void accessor::entry() 44{ 45 int addr; 46 int datao; 47 int datai; 48 49 addr = 10; 50 datao = 0xdeadbeef; 51 52 while (true) { 53 // Write memory location first 54 chip_select.write(true); 55 write_enable.write(true); 56 address.write(addr); 57 dataout.write(datao); 58 cout << "Accessor: Data Written = " << hex << datao << " at address " 59 << hex << addr << endl; 60 wait(); // To make all the outputs appear at the interface 61 62 // some process functionality not shown here during which chip 63 // chip select is deasserted 64 chip_select.write(false); 65 dataout.write(0); 66 wait(); 67 68 // Now read memory location 69 chip_select.write(true); 70 write_enable.write(false); 71 address.write(addr); 72 wait(); // To make all the outputs appear at the interface 73 74 datai = datain.read().to_int(); 75 cout << "Accessor: Data Read = " << hex << datai << " from address " 76 << hex << addr << endl; 77 chip_select.write(false); 78 wait(); 79 80 addr++; 81 datao++; 82 } 83} // end of entry function 84 85