/* This FileX test concentrates on the Fault-Tolerant file random seek operation. */ /* 1. Format and open the media; 2. Enable fault tolerant feature; 3. Create and write 16K bytes into TEST.TXT; 4. Seek to the random position of the file; 5. Write random size of data into TEST.TXT; 6. Verify the data; 7. Loop 4 - 6 10000 times. */ #ifndef FX_STANDALONE_ENABLE #include "tx_api.h" #else #include #endif #include "fx_api.h" #include "fx_system.h" #include "fx_fault_tolerant.h" #include #include "fx_ram_driver_test.h" extern void test_control_return(UINT status); void filex_fault_tolerant_file_random_seek_test_application_define(void *first_unused_memory); #if defined (FX_ENABLE_FAULT_TOLERANT) && defined (FX_FAULT_TOLERANT) && defined (FX_FAULT_TOLERANT_DATA) #define DEMO_STACK_SIZE 4096 #define CACHE_SIZE (16 * 1024) #define FAULT_TOLERANT_SIZE FX_FAULT_TOLERANT_MINIMAL_BUFFER_SIZE #define TOTAL_SIZE (16 * 1024) #define OVERWRITE_LOOP 100000 /* Define the ThreadX and FileX object control blocks... */ #ifndef FX_STANDALONE_ENABLE static TX_THREAD ftest_0; #endif static FX_MEDIA ram_disk; static FX_FILE my_file; static UCHAR *pointer; /* Define the counters used in the test application... */ static UCHAR cache_buffer[CACHE_SIZE]; static UCHAR fault_tolerant_buffer[FAULT_TOLERANT_SIZE]; static CHAR write_buffer[TOTAL_SIZE]; static CHAR overwrite_buffer[TOTAL_SIZE]; static CHAR read_buffer[TOTAL_SIZE]; #define TEST_COUNT 4 /* FAT12, 16, 32, 16. */ /* Define thread prototypes. */ static void ftest_0_entry(ULONG thread_input); extern void _fx_ram_driver(FX_MEDIA *media_ptr); extern void test_control_return(UINT status); /* Define what the initial system looks like. */ #ifdef CTEST void test_application_define(void *first_unused_memory) #else void filex_fault_tolerant_file_random_seek_test_application_define(void *first_unused_memory) #endif { #ifndef FX_STANDALONE_ENABLE /* Setup the working pointer. */ pointer = (UCHAR *) first_unused_memory; /* Create the main thread. */ tx_thread_create(&ftest_0, "thread 0", ftest_0_entry, 0, pointer, DEMO_STACK_SIZE, 4, 4, TX_NO_TIME_SLICE, TX_AUTO_START); pointer = pointer + DEMO_STACK_SIZE; /* Setup memory for the RAM disk and the sector cache. */ pointer += DEMO_STACK_SIZE; #endif /* Initialize the FileX system. */ fx_system_initialize(); #ifdef FX_STANDALONE_ENABLE ftest_0_entry(0); #endif } /* Define the test threads. */ static void ftest_0_entry(ULONG thread_input) { UINT status; ULONG actual; UINT i; UINT j; UINT seek_position; UINT overwrite_position; UINT overwrite_size; FX_PARAMETER_NOT_USED(thread_input); /* Print out some test information banners. */ printf("FileX Test: Fault Tolerant File Random Seek Test..................."); srand((UINT)time(0)); /* Loop to test FAT 12, 16, 32. */ for (i = 0; i < TEST_COUNT; i ++) { /* Initialize the write and overwrite_buffer. */ for (j = 0; j < sizeof(write_buffer); j++) { write_buffer[j] = (CHAR)(rand() & 0xFF); overwrite_buffer[j] = (CHAR)(rand() & 0xFF); } if (i == 0) { /* Format the media with FAT12. This needs to be done before opening it! */ status = fx_media_format(&ram_disk, _fx_ram_driver, // Driver entry ram_disk_memory_large, // RAM disk memory pointer cache_buffer, // Media buffer pointer CACHE_SIZE, // Media buffer size "MY_RAM_DISK", // Volume Name 1, // Number of FATs 32, // Directory Entries 0, // Hidden sectors 256, // Total sectors 512, // Sector size 8, // Sectors per cluster 1, // Heads 1); // Sectors per track } else if (i == 1) { /* Format the media with FAT16. This needs to be done before opening it! */ status = fx_media_format(&ram_disk, _fx_ram_driver, // Driver entry ram_disk_memory_large, // RAM disk memory pointer cache_buffer, // Media buffer pointer CACHE_SIZE, // Media buffer size "MY_RAM_DISK", // Volume Name 1, // Number of FATs 32, // Directory Entries 0, // Hidden sectors 4200 * 8, // Total sectors 512, // Sector size 8, // Sectors per cluster 1, // Heads 1); // Sectors per track } else if (i == 2) { /* Format the media with FAT32. This needs to be done before opening it! */ status = fx_media_format(&ram_disk, _fx_ram_driver, // Driver entry ram_disk_memory_large, // RAM disk memory pointer cache_buffer, // Media buffer pointer CACHE_SIZE, // Media buffer size "MY_RAM_DISK", // Volume Name 1, // Number of FATs 32, // Directory Entries 0, // Hidden sectors 70000 * 8, // Total sectors 512, // Sector size 8, // Sectors per cluster 1, // Heads 1); // Sectors per track } else if (i == 3) { /* Format the media with FAT16 with sector size 2048 bytes. This needs to be done before opening it! */ status = fx_media_format(&ram_disk, _fx_ram_driver, // Driver entry ram_disk_memory_large, // RAM disk memory pointer cache_buffer, // Media buffer pointer CACHE_SIZE, // Media buffer size "MY_RAM_DISK", // Volume Name 1, // Number of FATs 32, // Directory Entries 0, // Hidden sectors 4200 * 8, // Total sectors 2048, // Sector size 1, // Sectors per cluster 1, // Heads 1); // Sectors per track } return_if_fail(status == FX_SUCCESS); /* Open the ram_disk. */ status = fx_media_open(&ram_disk, "RAM DISK", _fx_ram_driver, ram_disk_memory_large, cache_buffer, CACHE_SIZE); return_if_fail(status == FX_SUCCESS); /* Enable the Fault-tolerant feature. */ status = fx_fault_tolerant_enable(&ram_disk, fault_tolerant_buffer, FAULT_TOLERANT_SIZE); return_if_fail(status == FX_SUCCESS); /* Prepare a file for test. */ status = fx_file_create(&ram_disk, "TEST.TXT"); return_if_fail(status == FX_SUCCESS); status = fx_file_create(&ram_disk, "TEST.TXT"); return_if_fail(status == FX_ALREADY_CREATED); status = fx_file_open(&ram_disk, &my_file, "TEST.TXT", FX_OPEN_FOR_WRITE); return_if_fail(status == FX_SUCCESS); /* Write data. */ status = fx_file_write(&my_file, &write_buffer[0], TOTAL_SIZE); return_if_fail(status == FX_SUCCESS); for (j = 0; j < OVERWRITE_LOOP; j++) { seek_position = (UINT)(rand() % TOTAL_SIZE); overwrite_position = (UINT)(rand() % TOTAL_SIZE); if (seek_position > overwrite_position) { overwrite_size = (UINT)rand() % (TOTAL_SIZE - seek_position); } else { overwrite_size = (UINT)rand() % (TOTAL_SIZE - overwrite_position); } /* Seek to the beginning of file. */ status = fx_file_relative_seek(&my_file, seek_position, FX_SEEK_BEGIN); return_if_fail(status == FX_SUCCESS); /* Overwrite the data. */ memcpy(&write_buffer[seek_position], &overwrite_buffer[overwrite_position], overwrite_size); status = fx_file_write(&my_file, &overwrite_buffer[overwrite_position], overwrite_size); return_if_fail(status == FX_SUCCESS); status = fx_file_relative_seek(&my_file, 0, FX_SEEK_BEGIN); return_if_fail(status == FX_SUCCESS); /* Read the bytes of the test file. */ memset(read_buffer, 0xFF, sizeof(read_buffer)); status = fx_file_read(&my_file, read_buffer, sizeof(read_buffer), &actual); return_if_fail((status == FX_SUCCESS) && (actual == sizeof(read_buffer))); /* Check the data of overwrite part. */ return_if_fail(memcmp(&read_buffer[0], &write_buffer[0], sizeof(write_buffer)) == 0); } /* Close the file. */ status = fx_file_close(&my_file); return_if_fail(status == FX_SUCCESS); /* Close the media. */ status = fx_media_close(&ram_disk); return_if_fail(status == FX_SUCCESS); } /* Output successful. */ printf("SUCCESS!\n"); test_control_return(0); } #else #ifdef CTEST void test_application_define(void *first_unused_memory) #else void filex_fault_tolerant_file_random_seek_test_application_define(void *first_unused_memory) #endif { FX_PARAMETER_NOT_USED(first_unused_memory); /* Print out some test information banners. */ printf("FileX Test: Fault Tolerant File Random Seek Test...................N/A\n"); test_control_return(255); } #endif