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#include <stdio.h>

#include <math.h>

int main(int argc,char** argv)

{

        if(argc!=2){printf("usage: CCLheader <image.ppm>\n"); return 1; }

int latency=4; //latency to offset counter x, 4 if holes filling, else 3

unsigned int imwidth;

unsigned int imheight;

        char fname[50];//="testimage/mandrill.ppm";

        sprintf(fname,"testimage/%s",argv[1]);

        printf("Input image: %s\n",fname);

//////////////////////get image size from header///////////////////////////////

        unsigned int i,j,maxPixValue,colour;

        FILE *input;

        char buffer;

        input=fopen(fname,"r");if(input==NULL){printf("Image not found!\n");return 1;}

        if(buffer=fgetc(input)!='P')

                {printf("Wrong image format!\n");return 1;}

        colour=fgetc(input)-'0'-5;

        while(!isdigit(buffer=fgetc(input)))

                if(buffer=='#') //skip comment

                        while(fgetc(input)!='\n');

        imwidth=buffer-'0';

        while(isdigit(buffer=fgetc(input)))

                imwidth=imwidth*10+buffer-'0'; //imwidth

        while(!isdigit(buffer=fgetc(input)))

                if(buffer=='#') //skip comment

                        while(fgetc(input)!='\n');

        imheight=buffer-'0';

        while(isdigit(buffer=fgetc(input)))

                imheight=imheight*10+buffer-'0'; //imheight

        fclose(input);

//////////////////////get image size from header (END)//////////////////////////

int x_bit=(int)ceil(log2(imwidth));

int y_bit=(int)ceil(log2(imheight));

int address_bit=(int)ceil(log2(imwidth/2));

int data_bit=2*(x_bit+y_bit);

        FILE *foutput;

        if((foutput=fopen("CCL.vh","w"))==NULL){printf("File not open.\n");return 1;}

        fprintf(foutput,"`ifndef CCL_vh\n`define CCL_vh\n");

        fprintf(foutput,"\tparameter imwidth=%d;\n",imwidth);

        fprintf(foutput,"\tparameter imheight=%d;\n",imheight);

        fprintf(foutput,"\tparameter x_bit=%d;\n",x_bit);

        fprintf(foutput,"\tparameter y_bit=%d;\n",y_bit);

        fprintf(foutput,"\tparameter address_bit=%d;\n",address_bit);

        fprintf(foutput,"\tparameter data_bit=%d;\n",data_bit);

        fprintf(foutput,"\tparameter latency=%d;\n",latency);

        fprintf(foutput,"`endif");

        fclose(foutput);

        if((foutput=fopen("CCL.h","w"))==NULL){printf("File not open.\n");return 1;}

        fprintf(foutput,"#ifndef CCL_h\n#define CCL_h\n");

        fprintf(foutput,"\tchar fname[50]=\"%s\";\n",fname);

        fprintf(foutput,"\tunsigned int imwidth=%d;\n",imwidth);

        fprintf(foutput,"\tunsigned int imheight=%d;\n",imheight);

        fprintf(foutput,"\tint x_bit=%d;\n",x_bit);

        fprintf(foutput,"\tint y_bit=%d;\n",y_bit);

        fprintf(foutput,"\tint address_bit=%d;\n",address_bit);

        fprintf(foutput,"\tint data_bit=%d;\n",data_bit);

        fprintf(foutput,"\tint latency=%d;\n",latency);

        fprintf(foutput,"#endif");

        fclose(foutput);

        return 0;

}