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xburst-tools/nandprog/common/loadcfg.c

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2009-04-05 19:26:33 +03:00
/*
* Configfile parsing.
*/
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/mman.h>
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include "include.h"
#define CFG_FIELD_NUM 10
static np_data np;
extern struct nand_oobinfo oob_64[];
const char CFG_FIELD[][30]=
{
"CPUTYPE",
"BUSWIDTH",
"ROWCYCLES",
"PAGESIZE",
"PAGEPERBLOCK",
"OOBSIZE",
"BADBLOCKPOS",
"BADBLOCKPAGE",
"ECCTYPE",
"[END]",
};
np_data * load_cfg(void)
{
FILE *fp;
char line[100];
unsigned short i,j;
unsigned int d;
if ((fp = fopen("nandprog.cfg", "r"))==NULL)
{
printf("Can not open configration file!\n");
return 0;
}
while(!strstr(line, "[NANDPROG]")) //find the nandprog section!
{
if (feof(fp))
{
printf("nand programmer configration file illege!\n");
return 0;
}
fscanf(fp,"%s",line);
}
while(1)
{
if (feof(fp))
{
printf("nand programmer configration file illege!\n");
return 0;
}
fscanf(fp,"%s",line);
if (line[0]==';')
{
line[0]='\0';
continue;
}
for (i=0;i<CFG_FIELD_NUM;i++)
if (strstr(line,CFG_FIELD[i])) break;
switch (i)
{
case 0: //CPUTYPE
while (!feof(fp))
{
fscanf(fp,"%s",line);
if (strstr(line,"JZ4730"))
{
np.pt = JZ4730;
break;
}
else if (strstr(line,"JZ4740"))
{
np.pt = JZ4740;
break;
}
else continue;
}
break;
case 1: //BUSWIDTH
while (!feof(fp))
{
fscanf(fp,"%d",&d);
if (d!=8 && d!=16) continue;
np.bw = d;
break;
}
break;
case 2: //ROWCYCLES
while (!feof(fp))
{
fscanf(fp,"%d",&d);
if (d!=3 && d!=2) continue;
np.rc = d;
break;
}
break;
case 3: //PAGESIZE
while (!feof(fp))
{
fscanf(fp,"%d",&d);
if (d!=2048 && d!=512) continue;
np.ps = d;
break;
}
break;
case 4: //PAGEPERBLOCK
while (!feof(fp))
{
fscanf(fp,"%d",&d);
if (d!=128 && d!=64) continue;
np.ppb = d;
break;
}
break;
case 5: //OOBSIZE
while (!feof(fp))
{
fscanf(fp,"%d",&d);
if (d!=16 && d!=64) continue;
np.os = d;
break;
}
break;
case 6: //BADBLOCKPOS
while (!feof(fp))
{
fscanf(fp,"%d",&d);
if (d>2048) continue;
np.bbp = d;
break;
}
break;
case 7: //BADBLOCKPAGE
while (!feof(fp))
{
fscanf(fp,"%d",&d);
if (d>np.ppb) continue;
np.bba = d;
break;
}
break;
case 8: //ECCTYPE
while (!feof(fp))
{
fscanf(fp,"%s",line);
if (strstr(line,"RS"))
{
np.et = HARDRS;
d = 36; //36 bytes ecc
oob_64[4].eccbytes = 36;
np.ep = 4;
break;
}
else if (strstr(line,"HM"))
{
np.et = HARDHM;
d = 24; //24 bytes ecc
oob_64[4].eccbytes = 24;
np.ep = 4;
break;
}
else continue;
}
while (!feof(fp))
{
fscanf(fp,"%s",line);
if (strstr(line,"{")) break;
}
for (j = 0;j < d;j++)
{
if (feof(fp))
{
printf("nand programmer configration file illege!\n");
return 0;
}
fscanf(fp,"%d",&d);
if (d > np.os)
{
printf("nand programmer configration file illege!\n");
return 0;
}
oob_64[4].eccpos[j] = d;
}
while (!feof(fp))
{
fscanf(fp,"%s",line);
if (strstr(line,"}")) break;
}
break;
case 9:
return &np;
default:
;
}
}
}