add memset and not to write ecc data on ff pages

nand-image-builder.c

@@ -311,7 +311,6 @@ int main(int argc, char **argv)
     printf("OOB_ECC_LEN %d\n", oob_ecc_len);
     printf("OOB_ECC_OFS %d\n", oob_ecc_ofs);
 
-    
     while (!feof(in_file))
 
     {
@@ -331,7 +330,8 @@ int main(int argc, char **argv)
             goto exit;
         }
 
-	if (numBytesRead != (sector_sz ) * SECTORS_PER_PAGE) break; // skip if byte is less than bytes read from fread api.
+        if (numBytesRead != (sector_sz)*SECTORS_PER_PAGE)
+            break; // skip if byte is less than bytes read from fread api.
 
         memset(cmp_buffer, 0, sector_sz * SECTORS_PER_PAGE);
 
@@ -341,10 +341,13 @@ int main(int argc, char **argv)
 		  for(i=0; i < 2048; i++)
 			printf("0x%X\t", cmp_buffer[i]); */
 
-        for (i = 0; i != SECTORS_PER_PAGE; ++i)
+        for (i = 0; i < SECTOR_SZ * SECTORS_PER_PAGE; i += 4)
+        {
+            if (*(uint32_t *)(page_buffer + i) != 0xffffffff)
             {
 
-          
+                for (i = 0; i != SECTORS_PER_PAGE; ++i)
+                {
 
                     swap(&page_buffer[(i + 1) * sector_sz], &page_buffer[sector_sz * SECTORS_PER_PAGE + (i * oob_sz)], oob_sz);
 
@@ -352,16 +355,20 @@ int main(int argc, char **argv)
 
                     encode_bch(bch, &page_buffer[i * sector_sz], sector_sz + oob_ecc_ofs, ecc);
 
-
-            
                     swap(&page_buffer[(i + 1) * sector_sz], &page_buffer[sector_sz * SECTORS_PER_PAGE + (i * oob_sz)], oob_sz);
 
-
                     for (j = 0; j < oob_ecc_len; j++)
                     {
                         page_buffer[sector_sz * SECTORS_PER_PAGE + ((i + 1) * oob_sz) - oob_ecc_len + j] = ecc[j];
                     }
 
+                    //page_buffer[sector_sz * SECTORS_PER_PAGE + ((i + 1) * oob_sz) - oob_ecc_len +] |= ecc[oob_ecc_len - 1] >> 4;
+                    //fwrite(page_buffer, (sector_sz + oob_sz) * SECTORS_PER_PAGE, 1, out_file);
+                    //goto exit;
+                    //sector_oob[oob_ecc_ofs + oob_ecc_len - 1] |= ecc[oob_ecc_len - 1] >> 4;
+                }
+            }
+            break;
         }
 
         fwrite(page_buffer, (sector_sz + oob_sz) * SECTORS_PER_PAGE, 1, out_file);
@@ -382,7 +389,6 @@ int main(int argc, char **argv)
             /* printf("block No  %d\r\n", blocks_num); */
             blocks_num++;
         }
-
     }
 
 exit: