void jedec_save_as_jed()

in common/recipes-utils/cpldupdate-jtag/files/jedecfile.c [438:606]

• 156 lines of code
• 42 McCabe index (conditional complexity)

void jedec_save_as_jed(const char  *device, FILE *fp)
{
    unsigned int i, b=0, l=0 ,w=0;
    unsigned short chksum=0;
    unsigned int DRegLength;
    int type=-1;

    if (!fp)
        return;
    if (strnicmp("XC9536",device, sizeof("XC9536X")-1) == 0)
    {
        type = JED_XC95;
    }
    else if (strnicmp("XC9572",device, sizeof("XC9572X")-1) == 0)
    {
        type = JED_XC95;
    }
    else if (strnicmp("XC95108",device, sizeof("XC95144X")-1) == 0)
    {
        type = JED_XC95;
    }
    else if (strnicmp("XC95144",device, sizeof("XC95288X")-1) == 0)
    {
        type = JED_XC95;
    } 
    else if (strnicmp("XC95216",device, sizeof("XC95288X")-1) == 0)
    {
        type = JED_XC95;
    } 
    else if (strnicmp("XC95288",device, sizeof("XC95288X")-1) == 0)
    {
        type = JED_XC95;
    } 
    else if (strnicmp("XC9536X",device, sizeof("XC9536X")-1) == 0)
    {
        type = JED_XC95X;
        DRegLength=2;
    }
    else if (strnicmp("XC9572X",device, sizeof("XC9572X")-1) == 0)
    {
        type = JED_XC95X;
        DRegLength=4;
    }
    else if (strnicmp("XC95144X",device, sizeof("XC95144X")-1) == 0)
    {
        type = JED_XC95X;
        DRegLength=8;
    }
    else if (strnicmp("XC95288X",device, sizeof("XC95288X")-1) == 0)
    {
        type = JED_XC95X;
        DRegLength=16;
    } 
    else if (strnicmp("XC2C",device, sizeof("XC2C")-1) == 0)
    {
        type = JED_XC2C;
    } 

    if (strlen(jed.date) == 0)
    {
        time_t t;
        struct tm *tmp;
        char outstr[200];
        t = time(NULL);
        tmp = localtime(&t);
        if (tmp != NULL)
        {
            if (strftime(outstr, sizeof(outstr), "%a %b %d %T %Y", tmp)){
                fprintf(fp, "Date Extracted: %s\n\n", outstr);
            }
        }
    }else{
        fprintf(fp, "Date Extracted%s\n\n",jed.date);
    }
    
    fprintf(fp, "\2QF%d*\nQV0*\nF0*\nX0*\nJ0 0*\n",jed.fuse_count);
    if (strlen(jed.version) == 0)
        fprintf(fp, "N VERSION XC3SPROG*\n");
    else
        fprintf(fp, "N VERSION %s*\n",jed.version);
    fprintf(fp, "N DEVICE %s*\n", device);

    if(type == JED_XC95X)
    {
        /* Xilinx Impact (10.1) needs following additional items 
         * to recognizes as a valid Jedec File
         * the 4 Digits as total Checksum
         * N DEVICE
         */

        for (i=0; i<jed.fuse_count; i++)
        {
            if(!w && !b)
            fprintf(fp, "L%07d",i);
            if (!b)
            fprintf(fp, " ");
            fprintf(fp, "%d", jedec_get_fuse(i));
            if (l<9)
            {
                if(b==7)
                    b=0;
                else
                    b++;
            }
            else 
            {
                if (b == 5)
                    b = 0;
                else
                    b++;
            }
            
            if(!b)
            {
                if (w == (DRegLength-1))
                {
                    fprintf(fp, "*\n");
                    w = 0;
                    l++;
                }else{
                    w++;
                }
            }

            if (l==15){
                l =0;
            }
        }
    }
    else if(type == JED_XC95)
    {
        for (i=0; i<jed.fuse_count; i++)
        {
            if(!b && w%5 == 0)
                fprintf(fp, "L%07d",i);
            if (!b)
                fprintf(fp, " ");
            fprintf(fp, "%d", jedec_get_fuse(i));
            if( b == (((i%9072)<7776) ? ((w %15 < 9)?7:5):((w%5== 0)?7:6)))
            {
                b=0;
                w++;
            }
            else
                b++;
            if(!b && (w %5 == 0 ))
                fprintf(fp, "*\n");
        }
    }
    else if (type == JED_XC2C)
    {
        for (i=0; i<jed.fuse_count; i++)
        {
            if ((i %64) == 0){
                fprintf(fp, "L%07d ",i);
            }
            fprintf(fp, "%d", jedec_get_fuse(i));
            if ((i %64) == 63){
                fprintf(fp, "*\n");
            }
        }
        fprintf(fp, "*\n");
    }

    for(i=0; i<(jed.fuse_count/8 + ((jed.fuse_count%8)?1:0)); i++){
        chksum += jed.fuse_list[i];
    }
    fprintf(fp, "C%04X*\n%c0000\n", chksum, 3);
}