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https://github.com/eclipse-threadx/filex.git
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Transition FileX to Eclipse Fundation
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TiejunZhou
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/* This FileX test concentrates on the media with hidden sectors. */
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#include "fx_api.h"
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#include "fx_ram_driver_test.h"
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#define DEMO_STACK_SIZE 4096
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#define CACHE_SIZE 128*128
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#define HIDDEN_SECTORS 8
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#define SECTOR_SIZE 512
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/* Define the ThreadX and FileX object control blocks... */
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#ifndef FX_STANDALONE_ENABLE
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static TX_THREAD ftest_0;
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#endif
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static FX_MEDIA ram_disk;
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static FX_FILE my_file;
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/* Define the counters used in the test application... */
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#ifndef FX_STANDALONE_ENABLE
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static UCHAR *ram_disk_memory;
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static UCHAR *cache_buffer;
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#else
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static UCHAR cache_buffer[CACHE_SIZE];
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#endif
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/* Define thread prototypes. */
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void filex_media_hidden_sectors_test_application_define(void *first_unused_memory);
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static void ftest_0_entry(ULONG thread_input);
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VOID _fx_ram_driver(FX_MEDIA *media_ptr);
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void test_control_return(UINT status);
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static VOID hidden_sectors_driver(FX_MEDIA *media_ptr);
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/* Define what the initial system looks like. */
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#ifdef CTEST
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void test_application_define(void *first_unused_memory)
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#else
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void filex_media_hidden_sectors_test_application_define(void *first_unused_memory)
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#endif
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{
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#ifndef FX_STANDALONE_ENABLE
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UCHAR *pointer;
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/* Setup the working pointer. */
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pointer = (UCHAR *) first_unused_memory;
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/* Create the main thread. */
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tx_thread_create(&ftest_0, "thread 0", ftest_0_entry, 0,
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pointer, DEMO_STACK_SIZE,
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4, 4, TX_NO_TIME_SLICE, TX_AUTO_START);
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pointer = pointer + DEMO_STACK_SIZE;
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/* Setup memory for the RAM disk and the sector cache. */
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cache_buffer = pointer;
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pointer = pointer + CACHE_SIZE;
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ram_disk_memory = pointer;
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#endif
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/* Initialize the FileX system. */
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fx_system_initialize();
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#ifdef FX_STANDALONE_ENABLE
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ftest_0_entry(0);
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#endif
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}
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/* Define the test threads. */
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static void ftest_0_entry(ULONG thread_input)
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{
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UINT status;
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FX_PARAMETER_NOT_USED(thread_input);
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/* Print out some test information banners. */
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printf("FileX Test: Media Hidden Sectors Test..............................");
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/* Format the media. This needs to be done before opening it! */
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status = fx_media_format(&ram_disk,
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hidden_sectors_driver, // Driver entry
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ram_disk_memory, // RAM disk memory pointer
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cache_buffer, // Media buffer pointer
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CACHE_SIZE, // Media buffer size
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"MY_RAM_DISK", // Volume Name
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1, // Number of FATs
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32, // Directory Entries
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HIDDEN_SECTORS, // Hidden sectors
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256, // Total sectors
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SECTOR_SIZE, // Sector size
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1, // Sectors per cluster
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1, // Heads
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1); // Sectors per track
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/* Determine if the format had an error. */
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if (status)
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{
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printf("ERROR!\n");
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test_control_return(2);
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}
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memset(&ram_disk, 0, sizeof(ram_disk));
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/* Open the ram_disk. */
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status = fx_media_open(&ram_disk, "RAM DISK", hidden_sectors_driver, ram_disk_memory, cache_buffer, CACHE_SIZE);
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/* Check the status. */
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if (status != FX_SUCCESS)
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{
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/* Error, return error code. */
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printf("ERROR!\n");
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test_control_return(3);
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}
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/* Create a file called TEST.TXT in the root directory. */
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status = fx_file_create(&ram_disk, "TEST.TXT");
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/* Check the create status. */
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if (status != FX_SUCCESS)
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{
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printf("ERROR!\n");
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test_control_return(4);
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}
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/* Close the media. */
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status = fx_media_close(&ram_disk);
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/* Check the file open status. */
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if (status != FX_SUCCESS)
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{
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printf("ERROR!\n");
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test_control_return(5);
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}
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memset(&ram_disk, 0, sizeof(ram_disk));
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/* Open the ram_disk. */
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status = fx_media_open(&ram_disk, "RAM DISK", hidden_sectors_driver, ram_disk_memory, cache_buffer, CACHE_SIZE);
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/* Check the status. */
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if (status != FX_SUCCESS)
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{
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/* Error, return error code. */
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printf("ERROR!\n");
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test_control_return(6);
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}
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/* Open the test file. */
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status = fx_file_open(&ram_disk, &my_file, "TEST.TXT", FX_OPEN_FOR_WRITE);
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/* Check the file open status. */
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if (status != FX_SUCCESS)
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{
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printf("ERROR!\n");
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test_control_return(7);
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}
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/* Close the file. */
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status = fx_file_close(&my_file);
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/* Check the file open status. */
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if (status != FX_SUCCESS)
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{
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printf("ERROR!\n");
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test_control_return(8);
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}
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/* Close the media. */
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status = fx_media_close(&ram_disk);
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/* Check the file open status. */
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if (status != FX_SUCCESS)
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{
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printf("ERROR!\n");
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test_control_return(9);
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}
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/* Determine if the test was successful. */
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if (status != FX_SUCCESS)
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{
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printf("ERROR!\n");
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test_control_return(10);
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}
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else
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{
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printf("SUCCESS!\n");
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test_control_return(0);
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}
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}
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static VOID hidden_sectors_driver(FX_MEDIA *media_ptr)
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{
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UCHAR *source_buffer;
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UCHAR *destination_buffer;
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UINT bytes_per_sector;
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if (media_ptr -> fx_media_driver_request == FX_DRIVER_BOOT_READ)
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{
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/* Read the boot record and return to the caller. */
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/* Calculate the RAM disk boot sector offset, which is at the very beginning of the
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RAM disk. Note the RAM disk memory is pointed to by the fx_media_driver_info pointer,
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which is supplied by the application in the call to fx_media_open. */
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source_buffer = (UCHAR *) media_ptr -> fx_media_driver_info;
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source_buffer += SECTOR_SIZE * HIDDEN_SECTORS;
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/* For RAM driver, determine if the boot record is valid. */
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if ((source_buffer[0] != (UCHAR) 0xEB) ||
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((source_buffer[1] != (UCHAR) 0x34) &&
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(source_buffer[1] != (UCHAR) 0x76)) ||
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(source_buffer[2] != (UCHAR) 0x90))
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{
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/* Invalid boot record, return an error! */
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media_ptr -> fx_media_driver_status = FX_MEDIA_INVALID;
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return;
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}
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/* For RAM disk only, pickup the bytes per sector. */
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bytes_per_sector = _fx_utility_16_unsigned_read(&source_buffer[FX_BYTES_SECTOR]);
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/* Ensure this is less than the destination. */
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/* Copy the RAM boot sector into the destination. */
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_fx_utility_memory_copy(source_buffer, media_ptr -> fx_media_driver_buffer, bytes_per_sector);
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/* Successful driver request. */
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media_ptr -> fx_media_driver_status = FX_SUCCESS;
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}
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else if (media_ptr -> fx_media_driver_request == FX_DRIVER_BOOT_WRITE)
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{
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/* Write the boot record and return to the caller. */
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/* Calculate the RAM disk boot sector offset, which is at the very beginning of the
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RAM disk. Note the RAM disk memory is pointed to by the fx_media_driver_info pointer,
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which is supplied by the application in the call to fx_media_open. */
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destination_buffer = (UCHAR *) media_ptr -> fx_media_driver_info;
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destination_buffer += SECTOR_SIZE * HIDDEN_SECTORS;
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/* Copy the RAM boot sector into the destination. */
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_fx_utility_memory_copy(media_ptr -> fx_media_driver_buffer, destination_buffer, media_ptr -> fx_media_bytes_per_sector);
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/* Successful driver request. */
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media_ptr -> fx_media_driver_status = FX_SUCCESS;
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}
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else
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{
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if ((media_ptr -> fx_media_driver_request == FX_DRIVER_WRITE) || (media_ptr -> fx_media_driver_request == FX_DRIVER_READ))
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{
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if (media_ptr -> fx_media_hidden_sectors == 0)
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{
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media_ptr -> fx_media_driver_status = FX_IO_ERROR;
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return;
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}
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}
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_fx_ram_driver(media_ptr);
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}
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}
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