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//===================================================================
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// Module Name : RsDecodeDpRam
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// File Name : RsDecodeDpRam.cpp
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// Function : RTL Decoder DpRam Module generation
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//
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// Revision History:
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// Date By Version Change Description
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//===================================================================
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// 2009/02/03 Gael Sapience 1.0 Original
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//
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//===================================================================
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// (C) COPYRIGHT 2009 SYSTEM LSI CO., Ltd.
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//
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#include <stdio.h>
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#include <stdlib.h>
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#include <iostream>
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#include<windows.h>
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#include<fstream>
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#include <string.h>
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using namespace std;
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FILE *OutFileDpRam;
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void RsDecodeDpRam(int DataSize, int TotalSize, int PrimPoly, int ErasureOption, int bitSymbol, int pathFlag, int lengthPath, char *rootFolderPath) {
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//---------------------------------------------------------------
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// C++ variables
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//---------------------------------------------------------------
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int syndromeLength;
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syndromeLength = TotalSize - DataSize;
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int ii;
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int Delay;
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int *euclideTab;
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char *strRsDecodeDpRam;
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euclideTab =new int[(syndromeLength+1)];
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//---------------------------------------------------------------
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// open file
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//---------------------------------------------------------------
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strRsDecodeDpRam = (char *)calloc(lengthPath + 21, sizeof(char));
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if (pathFlag == 0) {
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strRsDecodeDpRam[0] = '.';
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}else{
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for(ii=0; ii<lengthPath; ii++){
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strRsDecodeDpRam[ii] = rootFolderPath[ii];
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}
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}
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strcat(strRsDecodeDpRam, "/rtl/RsDecodeDpRam.v");
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OutFileDpRam = fopen(strRsDecodeDpRam,"w");
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//---------------------------------------------------------------
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// euclideTab calculation
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//---------------------------------------------------------------
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euclideTab [syndromeLength] = 3;
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euclideTab [syndromeLength-1] = 3;
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for(ii=(syndromeLength-2); ii>0; ii=ii-2){
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euclideTab [ii] = euclideTab [ii+2] + 6;
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euclideTab [ii-1] = euclideTab [ii+1] + 6;
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}
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euclideTab [0] = euclideTab [2] + 6;
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//---------------------------------------------------------------
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// Delay calculation
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//---------------------------------------------------------------
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if (ErasureOption == 1) {
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Delay = TotalSize + syndromeLength + 1 + euclideTab [0] + 5;
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}else{
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Delay = TotalSize + euclideTab [0] + 5;
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}
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//---------------------------------------------------------------
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// Write Header File
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//---------------------------------------------------------------
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// fprintf(OutFileDpRam, "// $Id: $\n");
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// fprintf(OutFileDpRam, "//=================================================================\n");
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// fprintf(OutFileDpRam, "// Project Name: MyRS\n");
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// fprintf(OutFileDpRam, "// File Name : RsDecodeDpRam.v\n");
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// fprintf(OutFileDpRam, "// Function : RS Memory\n");
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// fprintf(OutFileDpRam, "//=================================================================\n\n\n");
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fprintf(OutFileDpRam, "//===================================================================\n");
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fprintf(OutFileDpRam, "// Module Name : RsDecodeDpRam\n");
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fprintf(OutFileDpRam, "// File Name : RsDecodeDpRam.v\n");
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fprintf(OutFileDpRam, "// Function : Rs Decoder DpRam Memory Module\n");
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fprintf(OutFileDpRam, "// \n");
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fprintf(OutFileDpRam, "// Revision History:\n");
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fprintf(OutFileDpRam, "// Date By Version Change Description\n");
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fprintf(OutFileDpRam, "//===================================================================\n");
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fprintf(OutFileDpRam, "// 2009/02/03 Gael Sapience 1.0 Original\n");
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fprintf(OutFileDpRam, "//\n");
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fprintf(OutFileDpRam, "//===================================================================\n");
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fprintf(OutFileDpRam, "// (C) COPYRIGHT 2009 SYSTEM LSI CO., Ltd.\n");
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fprintf(OutFileDpRam, "//\n\n\n");
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//---------------------------------------------------------------
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// Ports Declaration
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//---------------------------------------------------------------
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fprintf(OutFileDpRam, "module RsDecodeDpRam (/*AUTOARG*/\n");
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fprintf(OutFileDpRam, " // Outputs\n");
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fprintf(OutFileDpRam, " q,\n");
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fprintf(OutFileDpRam, " // Inputs\n");
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fprintf(OutFileDpRam, " clock,\n");
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fprintf(OutFileDpRam, " data,\n");
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fprintf(OutFileDpRam, " rdaddress,\n");
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fprintf(OutFileDpRam, " rden,\n");
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fprintf(OutFileDpRam, " wraddress,\n");
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fprintf(OutFileDpRam, " wren\n");
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fprintf(OutFileDpRam, " );\n");
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fprintf(OutFileDpRam,"\n");
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//---------------------------------------------------------------
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// I/O instantiation
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//---------------------------------------------------------------
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if (ErasureOption == 1) {
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fprintf(OutFileDpRam, " output [%d:0] q;\n", bitSymbol);
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}else{
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fprintf(OutFileDpRam, " output [%d:0] q;\n", bitSymbol-1);
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}
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fprintf(OutFileDpRam, " input clock;\n");
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if (ErasureOption == 1) {
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fprintf(OutFileDpRam, " input [%d:0] data;\n", bitSymbol);
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}else{
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fprintf(OutFileDpRam, " input [%d:0] data;\n", bitSymbol-1);
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}
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if (Delay < 4) {
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fprintf(OutFileDpRam, " input [1:0] rdaddress;\n");
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fprintf(OutFileDpRam, " input [1:0] wraddress;\n");
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}
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if (Delay < 8) {
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fprintf(OutFileDpRam, " input [2:0] rdaddress;\n");
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fprintf(OutFileDpRam, " input [2:0] wraddress;\n");
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}
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if (Delay < 16) {
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fprintf(OutFileDpRam, " input [3:0] rdaddress;\n");
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fprintf(OutFileDpRam, " input [3:0] wraddress;\n");
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}
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else if (Delay < 32) {
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fprintf(OutFileDpRam, " input [4:0] rdaddress;\n");
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fprintf(OutFileDpRam, " input [4:0] wraddress;\n");
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}
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else if (Delay < 64) {
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fprintf(OutFileDpRam, " input [5:0] rdaddress;\n");
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fprintf(OutFileDpRam, " input [5:0] wraddress;\n");
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}
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else if (Delay < 128) {
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fprintf(OutFileDpRam, " input [6:0] rdaddress;\n");
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fprintf(OutFileDpRam, " input [6:0] wraddress;\n");
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}
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else if (Delay < 256) {
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fprintf(OutFileDpRam, " input [7:0] rdaddress;\n");
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fprintf(OutFileDpRam, " input [7:0] wraddress;\n");
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}
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else if (Delay < 512) {
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fprintf(OutFileDpRam, " input [8:0] rdaddress;\n");
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fprintf(OutFileDpRam, " input [8:0] wraddress;\n");
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}
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else if (Delay < 1024) {
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fprintf(OutFileDpRam, " input [9:0] rdaddress;\n");
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fprintf(OutFileDpRam, " input [9:0] wraddress;\n");
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}
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else if (Delay < 2048) {
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fprintf(OutFileDpRam, " input [10:0] rdaddress;\n");
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fprintf(OutFileDpRam, " input [10:0] wraddress;\n");
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}
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else if (Delay < 4096) {
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fprintf(OutFileDpRam, " input [11:0] rdaddress;\n");
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fprintf(OutFileDpRam, " input [11:0] wraddress;\n");
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}
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else if (Delay < 8192) {
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fprintf(OutFileDpRam, " input [12:0] rdaddress;\n");
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fprintf(OutFileDpRam, " input [12:0] wraddress;\n");
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}
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else if (Delay < 16384) {
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fprintf(OutFileDpRam, " input [13:0] rdaddress;\n");
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fprintf(OutFileDpRam, " input [13:0] wraddress;\n");
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}
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else if (Delay < 32768) {
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fprintf(OutFileDpRam, " input [14:0] rdaddress;\n");
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fprintf(OutFileDpRam, " input [14:0] wraddress;\n");
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}
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else if (Delay < 65536) {
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fprintf(OutFileDpRam, " input [15:0] rdaddress;\n");
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fprintf(OutFileDpRam, " input [15:0] wraddress;\n");
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}
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else{
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fprintf(OutFileDpRam, " input [16:0] rdaddress;\n");
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fprintf(OutFileDpRam, " input [16:0] wraddress;\n");
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}
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fprintf(OutFileDpRam, " input rden;\n");
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fprintf(OutFileDpRam, " input wren;\n");
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fprintf(OutFileDpRam,"\n\n\n");
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//---------------------------------------------------------------
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// + mem
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//- DpRam memory
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//---------------------------------------------------------------
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fprintf(OutFileDpRam, " //------------------------------------------------------------------\n");
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fprintf(OutFileDpRam, " // + mem\n");
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fprintf(OutFileDpRam, " // - DpRam Memory\n");
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fprintf(OutFileDpRam, " //------------------------------------------------------------------\n");
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if (ErasureOption == 1) {
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fprintf(OutFileDpRam, " reg [%d:0] mem[0:%d];\n", bitSymbol, (Delay -1));
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}else{
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fprintf(OutFileDpRam, " reg [%d:0] mem[0:%d];\n", bitSymbol-1 , (Delay -1));
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}
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//---------------------------------------------------------------
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//- DpRam write process
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//---------------------------------------------------------------
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fprintf(OutFileDpRam, " always@(posedge clock) begin\n");
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fprintf(OutFileDpRam, " if (wren)\n");
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fprintf(OutFileDpRam, " mem[wraddress] <= data;\n");
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fprintf(OutFileDpRam, " end\n");
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fprintf(OutFileDpRam,"\n\n\n");
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//---------------------------------------------------------------
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// + rRdAddr
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//- Read Address register
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//---------------------------------------------------------------
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fprintf(OutFileDpRam, " //------------------------------------------------------------------\n");
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fprintf(OutFileDpRam, " // + rRdAddr\n");
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fprintf(OutFileDpRam, " // - Read Address register\n");
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fprintf(OutFileDpRam, " //------------------------------------------------------------------\n");
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if (Delay < 4) {
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fprintf(OutFileDpRam, " reg [1:0] rRdAddr;\n");
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}
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else if (Delay < 8) {
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fprintf(OutFileDpRam, " reg [2:0] rRdAddr;\n");
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}
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else if (Delay < 16) {
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fprintf(OutFileDpRam, " reg [3:0] rRdAddr;\n");
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}
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else if (Delay < 32) {
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fprintf(OutFileDpRam, " reg [4:0] rRdAddr;\n");
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}
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else if (Delay < 64) {
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fprintf(OutFileDpRam, " reg [5:0] rRdAddr;\n");
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}
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else if (Delay < 128) {
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fprintf(OutFileDpRam, " reg [6:0] rRdAddr;\n");
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}
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else if (Delay < 256) {
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fprintf(OutFileDpRam, " reg [7:0] rRdAddr;\n");
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}
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else if (Delay < 512) {
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fprintf(OutFileDpRam, " reg [8:0] rRdAddr;\n");
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}
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else if (Delay < 1024) {
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fprintf(OutFileDpRam, " reg [9:0] rRdAddr;\n");
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}
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else if (Delay < 2048) {
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fprintf(OutFileDpRam, " reg [10:0] rRdAddr;\n");
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}
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else if (Delay < 4096) {
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fprintf(OutFileDpRam, " reg [11:0] rRdAddr;\n");
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}
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else if (Delay < 8192) {
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fprintf(OutFileDpRam, " reg [12:0] rRdAddr;\n");
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}
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else if (Delay < 16384) {
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fprintf(OutFileDpRam, " reg [13:0] rRdAddr;\n");
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}
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283 |
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else if (Delay < 32768) {
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fprintf(OutFileDpRam, " reg [14:0] rRdAddr;\n");
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}
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else if (Delay < 65536) {
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fprintf(OutFileDpRam, " reg [15:0] rRdAddr;\n");
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}
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else{
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fprintf(OutFileDpRam, " reg [16:0] rRdAddr;\n");
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}
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fprintf(OutFileDpRam, " always@(posedge clock) begin\n");
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fprintf(OutFileDpRam, " rRdAddr <= rdaddress;\n");
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fprintf(OutFileDpRam, " end\n");
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fprintf(OutFileDpRam,"\n\n\n");
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298 |
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299 |
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300 |
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//---------------------------------------------------------------
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301 |
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// + rRdEn
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//- Read enable register
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//---------------------------------------------------------------
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fprintf(OutFileDpRam, " //------------------------------------------------------------------\n");
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fprintf(OutFileDpRam, " // + rRdEn\n");
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fprintf(OutFileDpRam, " // - リードイネーブ?\n");
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fprintf(OutFileDpRam, " //------------------------------------------------------------------\n");
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fprintf(OutFileDpRam, " reg rRdEn;\n");
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fprintf(OutFileDpRam, " always@(posedge clock) begin\n");
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fprintf(OutFileDpRam, " rRdEn <= rden;\n");
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fprintf(OutFileDpRam, " end\n");
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fprintf(OutFileDpRam,"\n\n\n");
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313 |
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314 |
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315 |
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//---------------------------------------------------------------
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316 |
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// + q
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317 |
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//- Read data register
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318 |
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//---------------------------------------------------------------
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319 |
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fprintf(OutFileDpRam, " //------------------------------------------------------------------\n");
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fprintf(OutFileDpRam, " // + q\n");
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fprintf(OutFileDpRam, " // - リード処理\n");
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fprintf(OutFileDpRam, " //------------------------------------------------------------------\n");
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323 |
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if (ErasureOption == 1) {
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324 |
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fprintf(OutFileDpRam, " reg [%d:0] q;\n", bitSymbol);
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325 |
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}else{
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326 |
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|
fprintf(OutFileDpRam, " reg [%d:0] q;\n", bitSymbol-1);
|
327 |
|
|
}
|
328 |
|
|
fprintf(OutFileDpRam, " always@(posedge clock) begin\n");
|
329 |
|
|
fprintf(OutFileDpRam, " if (rRdEn)\n");
|
330 |
|
|
fprintf(OutFileDpRam, " q <= mem[rRdAddr];\n");
|
331 |
|
|
fprintf(OutFileDpRam, " end\n");
|
332 |
|
|
fprintf(OutFileDpRam,"\n\n\n");
|
333 |
|
|
fprintf(OutFileDpRam, " endmodule\n");
|
334 |
|
|
|
335 |
|
|
|
336 |
|
|
//---------------------------------------------------------------
|
337 |
|
|
// close file
|
338 |
|
|
//---------------------------------------------------------------
|
339 |
|
|
fclose(OutFileDpRam);
|
340 |
|
|
|
341 |
|
|
|
342 |
|
|
//---------------------------------------------------------------
|
343 |
|
|
// Free memory
|
344 |
|
|
//---------------------------------------------------------------
|
345 |
|
|
delete[] euclideTab;
|
346 |
|
|
|
347 |
|
|
|
348 |
|
|
//---------------------------------------------------------------
|
349 |
|
|
// automatically convert Dos mode To Unix mode
|
350 |
|
|
//---------------------------------------------------------------
|
351 |
|
|
char ch;
|
352 |
|
|
char temp[MAX_PATH]="\0";
|
353 |
|
|
|
354 |
|
|
//Open the file for reading in binarymode.
|
355 |
|
|
ifstream fp_read(strRsDecodeDpRam, ios_base::in | ios_base::binary);
|
356 |
|
|
sprintf(temp, "%s.temp", strRsDecodeDpRam);
|
357 |
|
|
//Create a temporary file for writing in the binary mode. This
|
358 |
|
|
//file will be created in the same directory as the input file.
|
359 |
|
|
ofstream fp_write(temp, ios_base::out | ios_base::trunc | ios_base::binary);
|
360 |
|
|
|
361 |
|
|
while(fp_read.eof() != true)
|
362 |
|
|
{
|
363 |
|
|
fp_read.get(ch);
|
364 |
|
|
//Check for CR (carriage return)
|
365 |
|
|
if((int)ch == 0x0D)
|
366 |
|
|
continue;
|
367 |
|
|
if (!fp_read.eof())fp_write.put(ch);
|
368 |
|
|
}
|
369 |
|
|
|
370 |
|
|
fp_read.close();
|
371 |
|
|
fp_write.close();
|
372 |
|
|
//Delete the existing input file.
|
373 |
|
|
remove(strRsDecodeDpRam);
|
374 |
|
|
//Rename the temporary file to the input file.
|
375 |
|
|
rename(temp, strRsDecodeDpRam);
|
376 |
|
|
//Delete the temporary file.
|
377 |
|
|
remove(temp);
|
378 |
|
|
|
379 |
|
|
|
380 |
|
|
//---------------------------------------------------------------
|
381 |
|
|
// clean string
|
382 |
|
|
//---------------------------------------------------------------
|
383 |
|
|
free(strRsDecodeDpRam);
|
384 |
|
|
|
385 |
|
|
|
386 |
|
|
}
|