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Last Post 23 Nov 2004 10:30 AM by mikee@logicpd.com

Flash File system

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mpinton

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11 Oct 2004 06:50 AM
Hi, If I want to create a file using the non-volatile file system(Flash FS), should this work: HANDLE lhFile = ::CreateFile(_T("\\NOR Flash\\testfile.txt"), GENERIC_READ \| GENERIC_WRITE, FILE_SHARE_READ, NULL, OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL); ASSERT(lhFile != INVALID_HANDLE_VALUE); Prior to executing the above code (which fails) , I can see on the device through the Storage Manager that I have the approx 4.2MB partition. The .reg file for the FlashFMD has auto-format on and auto-partition. (Note, formatting from the GUI on the device always fails). Do I need to do anything else? Thanks, /michel

mpinton

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11 Oct 2004 07:17 AM
BTW, here's the output from the debug log when I attempt to run my test app using the above code snippet: run Programs: s DriverTest 4294904049 PID:e1be523e TID:61a72866 0x8197d000: RELFSD: Opening file DriverTest.exe from desktop 4294904269 PID:61b4efa2 TID:61a72866 0x8197d000: >>> Loading module DriverTest.exe at address 0x12010000-0x12018000 Loaded symbols for 'C:\WINCE420\PUBLIC\LONGITUDEMETER\RELDIR\LOCE_A400_REL_101DEBUG\DRIVERTEST.EXE' 4294904279 PID:21bcea82 TID:61a72866 0x8197d000: FLASHDRV.DLL:ReadFromMedia() - request runs off end of media 4294904280 PID:21bcea82 TID:61a72866 0x8197d000: FLASHDRV.DLL:ReadFromMedia() failed. 4294904281 PID:e1be523e TID:61a72866 0x8197d000: FATFS!ReadWriteDisk(READ, sector 524320) failed (27) 4294904282 PID:e1be523e TID:61a72866 0x8197d000: FATFS!ReadWriteDisk: retrying... 4294904283 PID:21bcea82 TID:61a72866 0x8197d000: FLASHDRV.DLL:ReadFromMedia() - request runs off end of media 4294904284 PID:21bcea82 TID:61a72866 0x8197d000: FLASHDRV.DLL:ReadFromMedia() failed. 4294904285 PID:e1be523e TID:61a72866 0x8197d000: FATFS!ReadWriteDisk(READ, sector 524320) failed (27) 4294904286 PID:e1be523e TID:61a72866 0x8197d000: FATFS!FindNext: unexpected error (27) 4294904287 PID:e1be523e TID:61a72866 0x8197d000: FATFS!FAT_GetFileAttributesW(\testfile.txt) returned 0xffffffff (27) 4294904289 PID:21bcea82 TID:61a72866 0x8197d000: FLASHDRV.DLL:ReadFromMedia() - request runs off end of media 4294904289 PID:21bcea82 TID:61a72866 0x8197d000: FLASHDRV.DLL:ReadFromMedia() failed. 4294904291 PID:e1be523e TID:61a72866 0x8197d000: FATFS!ReadWriteDisk(READ, sector 524320) failed (27) 4294904291 PID:e1be523e TID:61a72866 0x8197d000: FATFS!ReadWriteDisk: retrying... 4294904292 PID:21bcea82 TID:61a72866 0x8197d000: FLASHDRV.DLL:ReadFromMedia() - request runs off end of media 4294904293 PID:21bcea82 TID:61a72866 0x8197d000: FLASHDRV.DLL:ReadFromMedia() failed. 4294904294 PID:e1be523e TID:61a72866 0x8197d000: FATFS!ReadWriteDisk(READ, sector 524320) failed (27) 4294904295 PID:e1be523e TID:61a72866 0x8197d000: FATFS!FindNext: unexpected error (27) 4294904297 PID:21bcea82 TID:61a72866 0x8197d000: FLASHDRV.DLL:ReadFromMedia() - request runs off end of media 4294904297 PID:21bcea82 TID:61a72866 0x8197d000: FLASHDRV.DLL:ReadFromMedia() failed. 4294904299 PID:e1be523e TID:61a72866 0x8197d000: FATFS!ReadWriteDisk(READ, sector 524320) failed (27) 4294904299 PID:e1be523e TID:61a72866 0x8197d000: FATFS!ReadWriteDisk: retrying... 4294904301 PID:21bcea82 TID:61a72866 0x8197d000: FLASHDRV.DLL:ReadFromMedia() - request runs off end of media 4294904301 PID:21bcea82 TID:61a72866 0x8197d000: FLASHDRV.DLL:ReadFromMedia() failed. 4294904303 PID:e1be523e TID:61a72866 0x8197d000: FATFS!ReadWriteDisk(READ, sector 524320) failed (27) 4294904303 PID:e1be523e TID:61a72866 0x8197d000: FATFS!FAT_CreateFileW(\testfile.txt) returned 0x0 (27) 4294904305 PID:61b4efa2 TID:61a72866 0x8197d000: Unknown: DEBUGCHK failed in file C:\work\Longitude\eVC\projects\DriverTest\DriverTest\DriverTest.cpp at line 43

mikee@logicpd.com

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Posts:

12 Oct 2004 01:56 PM
Michel, That should work. Can you open a file that has already been created on the partition and read it's contents? --mikee

mpinton

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28 Oct 2004 01:22 PM
Forgetting about my test application, I get all sorts of errors during initialization see my long post with debug output, http://www.logicpd.com/support/tdg/viewtopic.php?t=225. If I bring up the remote file view and simply try to browse the \\NOR Flash directory I see a bunch of debug errors, too. Something is screwed up from the start. Perhaps it's what I am including in my build? Under "File Systems and Data Store" I have - Bit-based RAM and ROM File System RAM-based Regsitry Storage Manger (and under that) Binary Rom Image File System FAT File System In the "Device Drivers" , under Storage Devices I have the lpd_MSFLASHFMD_beta_001. TIA, /michel

mikee@logicpd.com

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28 Oct 2004 02:28 PM
Try getting rid of the Binary ROM File System. BINFS is quite a different animal and you aren't using it. --mikee

mpinton

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29 Oct 2004 03:06 PM
FYI, I removed the BINFS but it made no difference. Thanks, /michel

mpinton

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Posts:

17 Nov 2004 07:20 AM
Hi, I am getting different results on different LH7A400 boards. We have 2 development kits and a number of additional CardEngines. I don't believe I have had any success getting the Flash File System to work in any debug build (RAM-builds). I have success with Retail builds (Flash-and-decompress-to-RAM builds), but not all the time. Usually they work - I don't get all the errors and I can create a directory and a file in Flash. But sometimes they fail, or the directory create fails and the file create works. What can I do to try to figure this out? Thanks, /michel

mikee@logicpd.com

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Posts:

23 Nov 2004 10:30 AM
michel, I'm sorry that you are having so much trouble with this. I really think you need to contact Hans' group. We have several other customers using this functionality in their products and nobody else is having any trouble that I am aware of. I think that it must be something fundamental about what you are doing that isn't being translated well on this forum. Please give Hans and his gents a call so they can help you resolve this in a more timely manner. Regards, --mikee

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