Subversion Repositories gppd

#include "systemc.h"
#include <iostream>
#include <fstream>
 
#define textLength 40 //The length of the bit-stream in the stimuli file
 
/** This function read in a text file into a local variable and export it
    in array format */
int* ReadFileData()
{
	int *values = new int[textLength];
 	int numValuesRead = 0;
 
	// open the file
	FILE* pFile = fopen("impulse_response.dat","r+t");
 
	while( ! feof( pFile ) )
	{
		int currentInt = 0;
		fscanf( pFile, "%d", &currentInt);
		values[numValuesRead] = currentInt ;
		numValuesRead++;
	}
 
	fclose(pFile);
 
	return values;
 
	delete pFile;
}
 
/** Read in the text file using the developed previous function
    and store the content into the arry called data */
static int *data = ReadFileData();
 
/** This module/block start reading the data from the array data
    when the clear signal is set to zero and at each rising edge of the clock */
SC_MODULE(stimuli) {
	// Input and Output Ports
	sc_in_clk 	CLK;
	sc_in<bool> CLR;
	sc_out<double >	firIN;
 
    // Internal variable
    unsigned int count;
 
    // Constructor
    SC_CTOR(stimuli)
    {
        SC_METHOD(bitstream);
            sensitive << CLR << CLK.pos();
    }
 
    // Process
    void bitstream()
    {
        if (CLR == true)
        {
            count = 0;
            firIN.write(0);
        }
        else
        {
            if (CLK.posedge())
            {
                if (count < textLength)
                {
                    firIN.write(data[count]);
                    count = count + 1;
                }
                else
                {
                    count = 0;
                }
            }
        }
    }
 
 
};