| Revisión | 16 (tree) |
|---|---|
| Tiempo | 2013-01-18 00:35:14 |
| Autor | tekken_boss |
001.000.001: 2013/01/18 00:30 : BUG FIX: a fragmented files can not be read correctly.
* [FAT] Bug fixed. The problem is that a fragmented file can not be read.
* ONLY Compilable.
trunk/src/srcver.h (diff)
trunk/src/fat.c (diff)| @@ -15,9 +15,10 @@ | ||
| 15 | 15 | |
| 16 | 16 | #define SRCVER_MAJOR 1 |
| 17 | 17 | #define SRCVER_MINOR 0 |
| 18 | -#define SRCVER_BUILD 0 | |
| 18 | +#define SRCVER_BUILD 1 | |
| 19 | 19 | |
| 20 | 20 | /* -------------------------------------------------------------------- |
| 21 | +001.000.001: 2013/01/18 00:30 : BUG FIX: a fragmented files can not be read correctly. | |
| 21 | 22 | 001.000.000: 2012/10/04 00:02 : Frist major release. |
| 22 | 23 | 000.001.014: 2012/10/01 22:55 : ROM code maintenance. |
| 23 | 24 | 000.001.013: 2012/08/24 16:31 : Memory check sequence is added. |
| @@ -564,27 +564,31 @@ | ||
| 564 | 564 | if( res == SUB_PROC_DONE ) { |
| 565 | 565 | unsigned long EntryVal; |
| 566 | 566 | if(IsFAT32) { |
| 567 | -#if 1 | |
| 568 | 567 | val = *( (unsigned long*) &WindowBuffer[fat.Offset] ); |
| 569 | 568 | EntryVal = (val<<24) | ((val<<8) & 0x00FF0000) | ((val>>8) & 0x0000FF00) | ((val>>24) & 0x000000FF); |
| 570 | 569 | EntryVal &= 0x0FFFFFFF; |
| 571 | -#else | |
| 572 | - EntryVal = *(unsigned long*) &WindowBuffer[fat.Offset] & 0x0FFFFFFF; | |
| 573 | -#endif | |
| 570 | + | |
| 574 | 571 | if( (EntryVal > 0x00000002) && (EntryVal < 0x0FFFFFF6) ) { |
| 572 | +#if 0 // found bug 2013.01.17 | |
| 575 | 573 | dir_entry.CurrentCluster = EntryVal; |
| 576 | 574 | dir_entry.CurrentSector = CLUSTER2SECTOR(dir_entry.CurrentCluster); |
| 575 | +#else | |
| 576 | + ReadFileStatus.CurrentCluster = EntryVal; | |
| 577 | + ReadFileStatus.CurrentSector = CLUSTER2SECTOR(ReadFileStatus.CurrentCluster); | |
| 578 | +#endif | |
| 577 | 579 | } |
| 578 | 580 | } else { |
| 579 | -#if 1 | |
| 580 | 581 | val = *( (unsigned long*) &WindowBuffer[fat.Offset] ); |
| 581 | 582 | EntryVal = (unsigned short) (((val<<8) & 0xFF00) | ((val>>8) & 0x00FF)); |
| 582 | -#else | |
| 583 | - EntryVal = *(unsigned short*) &WindowBuffer[fat.Offset]; | |
| 584 | -#endif | |
| 583 | + | |
| 585 | 584 | if( (EntryVal > 0x0002) && (EntryVal < 0xFFF6) ) { |
| 585 | +#if 0 // found bug 2013.01.17 | |
| 586 | 586 | dir_entry.CurrentCluster = (unsigned long) EntryVal; |
| 587 | 587 | dir_entry.CurrentSector = CLUSTER2SECTOR(dir_entry.CurrentCluster); |
| 588 | +#else | |
| 589 | + ReadFileStatus.CurrentCluster = (unsigned long) EntryVal; | |
| 590 | + ReadFileStatus.CurrentSector = CLUSTER2SECTOR(ReadFileStatus.CurrentCluster); | |
| 591 | +#endif | |
| 588 | 592 | } |
| 589 | 593 | } |
| 590 | 594 | fat_proc = FAT_READ_FILE_01; |
