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| Rev 353 | Rev 359 | ||
|---|---|---|---|
| Line 105... | Line 105... | ||
| 105 | Root Directory Entry Start + # of Reserved + (# of Sectors Per FAT * 2) |
105 | Root Directory Entry Start + # of Reserved + (# of Sectors Per FAT * 2) |
| 106 | Data Area (Starts with Cluster #2) Start + # of Reserved + (# of Sectors Per FAT * 2) + ((Maximum Root Directory Entries * 32) / Bytes per Sector) |
106 | Data Area (Starts with Cluster #2) Start + # of Reserved + (# of Sectors Per FAT * 2) + ((Maximum Root Directory Entries * 32) / Bytes per Sector) |
| 107 | */ |
107 | */ |
| Line -... | Line 108... | ||
| - | 108 | ||
| 108 | 109 | ||
| 109 | 110 | ||
| Line 110... | Line 111... | ||
| 110 | /* |
111 | /* |
| 111 | ________________________________________________________________________________________________________________________________________ |
112 | ________________________________________________________________________________________________________________________________________ |
| Line 681... | Line 682... | ||
| 681 | result = 6; |
682 | result = 6; |
| 682 | goto end; |
683 | goto end; |
| 683 | } |
684 | } |
| 684 | Partition.IsValid = 1; // mark data in partition structure as valid |
685 | Partition.IsValid = 1; // mark data in partition structure as valid |
| 685 | Partition.CurrentWorkingDirectory = Partition.FirstRootDirSector; |
686 | Partition.CurrentWorkingDirectory = Partition.FirstRootDirSector; |
| 686 | strcpy(Partition.PathToCwd,"/"); |
687 | strcpy(Partition.PathToCwd,"/"); |
| 687 | result = 0; |
688 | result = 0; |
| 688 | end: |
689 | end: |
| 689 | if(result != 0) Fat16_Deinit(); |
690 | if(result != 0) Fat16_Deinit(); |
| 690 | else UART1_PutString("ok"); |
691 | else UART1_PutString("ok"); |
| 691 | return(result); |
692 | return(result); |
| Line 1496... | Line 1497... | ||
| 1496 | /* Returnvalue: The filepointer to the file or 0 if faild. */ |
1497 | /* Returnvalue: The filepointer to the file or 0 if faild. */ |
| 1497 | /********************************************************************************************************************************************/ |
1498 | /********************************************************************************************************************************************/ |
| 1498 | File_t * fopen_(s8 * const filename, const s8 mode) |
1499 | File_t * fopen_(s8 * const filename, const s8 mode) |
| 1499 | { |
1500 | { |
| 1500 | File_t *file = 0; |
1501 | File_t *file = 0; |
| - | 1502 | s8 *cptr; |
|
| Line 1501... | Line 1503... | ||
| 1501 | 1503 | ||
| Line 1502... | Line 1504... | ||
| 1502 | if((!Partition.IsValid) || (filename == 0)) return(file); |
1504 | if((!Partition.IsValid) || (filename == 0)) return(file); |
| 1503 | 1505 | ||
| Line 1518... | Line 1520... | ||
| 1518 | file->SectorInCache = SECTOR_UNDEFINED; // the last sector read, wich is still in the sectorbuffer. |
1520 | file->SectorInCache = SECTOR_UNDEFINED; // the last sector read, wich is still in the sectorbuffer. |
| 1519 | file->DirectorySector = SECTOR_UNDEFINED; // the sectorposition where the directoryentry has been made. |
1521 | file->DirectorySector = SECTOR_UNDEFINED; // the sectorposition where the directoryentry has been made. |
| 1520 | file->DirectoryIndex = 0; // the index to the directoryentry within the specified sector. |
1522 | file->DirectoryIndex = 0; // the index to the directoryentry within the specified sector. |
| 1521 | file->Attribute = 0; // the attribute of the file opened. |
1523 | file->Attribute = 0; // the attribute of the file opened. |
| Line -... | Line 1524... | ||
| - | 1524 | ||
| - | 1525 | // bring the path into the correct syntax |
|
| - | 1526 | cptr = filename; |
|
| - | 1527 | // search the whole string |
|
| - | 1528 | while(*cptr != 0) |
|
| - | 1529 | { |
|
| - | 1530 | // replace all '\' by '/' |
|
| - | 1531 | if(*cptr == '\\') *cptr = '/'; |
|
| - | 1532 | cptr++; |
|
| 1522 | 1533 | } |
|
| 1523 | // check if a real file (no directory) to the given filename exist |
1534 | // check if a real file (no directory) to the given filename exist |
| 1524 | if(FileExist(filename, ATTR_NONE, ATTR_SUBDIRECTORY|ATTR_VOLUMELABEL, file)) |
1535 | if(FileExist(filename, ATTR_NONE, ATTR_SUBDIRECTORY|ATTR_VOLUMELABEL, file)) |
| 1525 | { // file exist |
1536 | { // file exist |
| 1526 | switch(mode) // check mode |
1537 | switch(mode) // check mode |
| Line 2452... | Line 2463... | ||
| 2452 | u8 dircount = 0; // the number of subdirectoryentries within the path |
2463 | u8 dircount = 0; // the number of subdirectoryentries within the path |
| 2453 | u8 cache[64]; // a buffer containing the name of the subdirectory we are actually looking for |
2464 | u8 cache[64]; // a buffer containing the name of the subdirectory we are actually looking for |
| 2454 | Find_t fe; // The findelement needed for function findfirst to find the subdirectoryentry |
2465 | Find_t fe; // The findelement needed for function findfirst to find the subdirectoryentry |
| 2455 | s8 tp[256]; // temporarily we remember the actual path until the operation has finished successfully |
2466 | s8 tp[256]; // temporarily we remember the actual path until the operation has finished successfully |
| 2456 | u32 cwdt = 0; |
2467 | u32 cwdt = 0; |
| - | 2468 | s8 *cptr; |
|
| Line -... | Line 2469... | ||
| - | 2469 | ||
| - | 2470 | /* bring the path into the correct syntax */ |
|
| - | 2471 | cptr = path; |
|
| - | 2472 | /* search the whole string */ |
|
| - | 2473 | while(*cptr != 0) |
|
| - | 2474 | { |
|
| - | 2475 | if(*cptr == '\\') *cptr = '/'; |
|
| - | 2476 | cptr++; |
|
| 2457 | 2477 | } |
|
| 2458 | /* lets remember the actual path */ |
2478 | /* lets remember the actual path */ |
| 2459 | strcpy(tp, Partition.PathToCwd); |
2479 | strcpy(tp, Partition.PathToCwd); |
| - | 2480 | cwdt = Partition.CurrentWorkingDirectory; |
|
| - | 2481 | /* how many subdirectories are there within the path? */ |
|
| 2460 | cwdt = Partition.CurrentWorkingDirectory; |
2482 | dircount = GetDirCount(path); |
| 2461 | /* if the path is absolute we begin at the rootdirectory */ |
2483 | /* if the path is absolute we begin at the rootdirectory */ |
| 2462 | if(path[0] == '/') |
2484 | if(path[0] == '/') |
| 2463 | { |
2485 | { |
| 2464 | strcpy(Partition.PathToCwd, "/"); |
2486 | strcpy(Partition.PathToCwd, "/"); |
| - | 2487 | Partition.CurrentWorkingDirectory = Partition.FirstRootDirSector; |
|
| - | 2488 | /* if there is no other pathinformation we only switch to the rootdirectory. So theres nothing left todo.*/ |
|
| 2465 | Partition.CurrentWorkingDirectory = Partition.FirstRootDirSector; |
2489 | if(!dircount) return(1); |
| 2466 | } |
- | |
| 2467 | /* how many subdirectories are there within the path? */ |
- | |
| 2468 | dircount = GetDirCount(path); |
2490 | } |
| 2469 | /* now we parse through all the subdirectories within the path */ |
2491 | /* now we parse through all the subdirectories within the path */ |
| 2470 | do |
2492 | do |
| 2471 | { |
2493 | { |
| 2472 | /* until all the subdirectories within the path have been processed */ |
2494 | /* until all the subdirectories within the path have been processed */ |
| Line 2505... | Line 2527... | ||
| 2505 | Partition.CurrentWorkingDirectory = cwdt; |
2527 | Partition.CurrentWorkingDirectory = cwdt; |
| 2506 | strcpy(Partition.PathToCwd, tp); |
2528 | strcpy(Partition.PathToCwd, tp); |
| 2507 | } |
2529 | } |
| 2508 | return(retvalue); |
2530 | return(retvalue); |
| 2509 | } |
2531 | } |
| 2510 | - | ||
| 2511 | - | ||
| 2512 | - | ||
| 2513 | void Test(void) |
- | |
| 2514 | { |
- | |
| 2515 | Find_t find; |
- | |
| 2516 | text[64]; |
- | |
| 2517 | - | ||
| 2518 | UART1_PutString("\r\nsearching for elements in CWD:"); |
- | |
| 2519 | UART1_PutString(GetPath()); |
- | |
| 2520 | - | ||
| 2521 | if(chdir_("log")) |
- | |
| 2522 | { |
- | |
| 2523 | UART1_PutString(" done"); |
- | |
| 2524 | UART1_PutString("\r\n cwd: "); UART1_PutString(GetPath()); |
- | |
| 2525 | - | ||
| 2526 | if(chdir_("log11")) |
- | |
| 2527 | { |
- | |
| 2528 | UART1_PutString(" done"); |
- | |
| 2529 | UART1_PutString("\r\n cwd: "); UART1_PutString(GetPath()); |
- | |
| 2530 | - | ||
| 2531 | if(chdir_("log12")) |
- | |
| 2532 | { |
- | |
| 2533 | UART1_PutString(" done"); |
- | |
| 2534 | UART1_PutString("\r\n cwd: "); UART1_PutString(GetPath()); |
- | |
| 2535 | - | ||
| 2536 | if(findfirst_("*.*", 0xff, &find)) |
- | |
| 2537 | { |
- | |
| 2538 | sprintf(text,"\r\n %s %x",find.name, find.fp.Attribute); UART1_PutString(text); |
- | |
| 2539 | while(findnext_(&find)) |
- | |
| 2540 | { |
- | |
| 2541 | sprintf(text,"\r\n %s %x",find.name, find.fp.Attribute); UART1_PutString(text); |
- | |
| 2542 | } |
- | |
| 2543 | } |
- | |
| 2544 | if(chdir_(".")) |
- | |
| 2545 | { |
- | |
| 2546 | UART1_PutString(" done"); |
- | |
| 2547 | UART1_PutString("\r\n cwd: "); UART1_PutString(GetPath()); |
- | |
| 2548 | if(findfirst_("*.*", 0xff, &find)) |
- | |
| 2549 | { |
- | |
| 2550 | sprintf(text,"\r\n %s %x",find.name, find.fp.Attribute); UART1_PutString(text); |
- | |
| 2551 | while(findnext_(&find)) |
- | |
| 2552 | { |
- | |
| 2553 | sprintf(text,"\r\n %s %x",find.name, find.fp.Attribute); UART1_PutString(text); |
- | |
| 2554 | } |
- | |
| 2555 | } |
- | |
| 2556 | } |
- | |
| 2557 | else UART1_PutString(" failed"); |
- | |
| 2558 | if(chdir_("..")) |
- | |
| 2559 | { |
- | |
| 2560 | UART1_PutString(" done"); |
- | |
| 2561 | UART1_PutString("\r\n cwd: "); UART1_PutString(GetPath()); |
- | |
| 2562 | if(findfirst_("*.*", 0xff, &find)) |
- | |
| 2563 | { |
- | |
| 2564 | sprintf(text,"\r\n %s %x",find.name, find.fp.Attribute); UART1_PutString(text); |
- | |
| 2565 | while(findnext_(&find)) |
- | |
| 2566 | { |
- | |
| 2567 | sprintf(text,"\r\n %s %x",find.name, find.fp.Attribute); UART1_PutString(text); |
- | |
| 2568 | } |
- | |
| 2569 | } |
- | |
| 2570 | } |
- | |
| 2571 | else UART1_PutString(" failed"); |
- | |
| 2572 | if(chdir_("..")) |
- | |
| 2573 | { |
- | |
| 2574 | UART1_PutString(" done"); |
- | |
| 2575 | UART1_PutString("\r\n cwd: "); UART1_PutString(GetPath()); |
- | |
| 2576 | if(findfirst_("*.*", 0xff, &find)) |
- | |
| 2577 | { |
- | |
| 2578 | sprintf(text,"\r\n %s %x",find.name, find.fp.Attribute); UART1_PutString(text); |
- | |
| 2579 | while(findnext_(&find)) |
- | |
| 2580 | { |
- | |
| 2581 | sprintf(text,"\r\n %s %x",find.name, find.fp.Attribute); UART1_PutString(text); |
- | |
| 2582 | } |
- | |
| 2583 | } |
- | |
| 2584 | } |
- | |
| 2585 | else UART1_PutString(" failed"); |
- | |
| 2586 | if(chdir_("..")) |
- | |
| 2587 | { |
- | |
| 2588 | UART1_PutString(" done"); |
- | |
| 2589 | UART1_PutString("\r\n cwd: "); UART1_PutString(GetPath()); |
- | |
| 2590 | if(findfirst_("*.*", 0xff, &find)) |
- | |
| 2591 | { |
- | |
| 2592 | sprintf(text,"\r\n %s %x",find.name, find.fp.Attribute); UART1_PutString(text); |
- | |
| 2593 | while(findnext_(&find)) |
- | |
| 2594 | { |
- | |
| 2595 | sprintf(text,"\r\n %s %x",find.name, find.fp.Attribute); UART1_PutString(text); |
- | |
| 2596 | } |
- | |
| 2597 | } |
- | |
| 2598 | } |
- | |
| 2599 | else UART1_PutString(" failed"); |
- | |
| 2600 | } |
- | |
| 2601 | } |
- | |
| 2602 | } |
- | |
| 2603 | else UART1_PutString(" failed"); |
- | |
| 2604 | } |
- | |