mirror of
https://github.com/eclipse-threadx/levelx.git
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Initial commit
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PProvost
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/* This is a small demo of the high-performance FileX FAT file system with LevelX
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and the NAND simulated driver. */
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#include <stdio.h>
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#include "fx_api.h"
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#include "lx_api.h"
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#define DEMO_STACK_SIZE 4096
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/* Buffer for FileX FX_MEDIA sector cache. This must be large enough for at least one
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sector, which are typically 512 bytes in size. */
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unsigned char media_memory[4096];
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/* Define NAND simulated device driver entry. */
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VOID _fx_nand_flash_simulator_driver(FX_MEDIA *media_ptr);
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/* Define LevelX NAND simulated flash erase. */
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UINT _lx_nand_flash_simulator_erase_all(VOID);
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/* Define thread prototypes. */
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void thread_0_entry(ULONG thread_input);
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UCHAR thread_0_stack[DEMO_STACK_SIZE];
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/* Define FileX global data structures. */
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FX_MEDIA nand_disk;
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FX_FILE my_file;
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FX_FILE my_file1;
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/* Define ThreadX global data structures. */
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TX_THREAD thread_0;
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ULONG thread_0_counter;
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int main(void)
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{
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/* Enter the ThreadX kernel. */
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tx_kernel_enter();
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}
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/* Define what the initial system looks like. */
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void tx_application_define(void *first_unused_memory)
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{
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/* Put system definition stuff in here, e.g. thread creates and other assorted
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create information. */
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/* Create the main thread. */
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tx_thread_create(&thread_0, "thread 0", thread_0_entry, 0,
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thread_0_stack, DEMO_STACK_SIZE,
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1, 1, TX_NO_TIME_SLICE, TX_AUTO_START);
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/* Initialize NAND flash. */
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lx_nand_flash_initialize();
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/* Initialize FileX. */
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fx_system_initialize();
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}
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void thread_0_entry(ULONG thread_input)
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{
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UINT status;
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ULONG actual;
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CHAR local_buffer[30];
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LX_PARAMETER_NOT_USED(thread_input);
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/* Erase the simulated NAND flash. */
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_lx_nand_flash_simulator_erase_all();
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/* Format the NAND disk - the memory for the NAND flash disk is setup in
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the NAND simulator. Note that for best performance, the format of the
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NAND flash should be less than one full NAND flash block of sectors. */
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fx_media_format(&nand_disk,
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_fx_nand_flash_simulator_driver, // Driver entry
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FX_NULL, // Unused
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media_memory, // Media buffer pointer
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sizeof(media_memory), // Media buffer size
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"MY_NAND_DISK", // Volume Name
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1, // Number of FATs
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32, // Directory Entries
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0, // Hidden sectors
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120, // Total sectors
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2048, // 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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/* Loop to repeat the demo over and over! */
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do
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{
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/* Open the NAND disk. */
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status = fx_media_open(&nand_disk, "NAND DISK", _fx_nand_flash_simulator_driver, FX_NULL, media_memory, sizeof(media_memory));
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/* Check the media open status. */
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if (status != FX_SUCCESS)
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{
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/* Error, break the loop! */
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break;
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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(&nand_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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/* Check for an already created status. This is expected on the
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second pass of this loop! */
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if (status != FX_ALREADY_CREATED)
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{
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/* Create error, break the loop. */
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break;
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}
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}
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/* Open the test file. */
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status = fx_file_open(&nand_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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/* Error opening file, break the loop. */
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break;
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}
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/* Seek to the beginning of the test file. */
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status = fx_file_seek(&my_file, 0);
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/* Check the file seek status. */
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if (status != FX_SUCCESS)
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{
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/* Error performing file seek, break the loop. */
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break;
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}
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/* Write a string to the test file. */
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status = fx_file_write(&my_file, " ABCDEFGHIJKLMNOPQRSTUVWXYZ\n", 28);
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/* Check the file write status. */
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if (status != FX_SUCCESS)
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{
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/* Error writing to a file, break the loop. */
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break;
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}
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/* Seek to the beginning of the test file. */
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status = fx_file_seek(&my_file, 0);
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/* Check the file seek status. */
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if (status != FX_SUCCESS)
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{
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/* Error performing file seek, break the loop. */
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break;
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}
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/* Read the first 28 bytes of the test file. */
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status = fx_file_read(&my_file, local_buffer, 28, &actual);
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/* Check the file read status. */
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if ((status != FX_SUCCESS) || (actual != 28))
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{
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/* Error reading file, break the loop. */
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break;
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}
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/* Close the test file. */
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status = fx_file_close(&my_file);
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/* Check the file close status. */
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if (status != FX_SUCCESS)
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{
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/* Error closing the file, break the loop. */
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break;
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}
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/* Delete the file. */
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status = fx_file_delete(&nand_disk, "TEST.TXT");
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/* Check the file delete status. */
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if (status != FX_SUCCESS)
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{
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/* Error deleting the file, break the loop. */
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break;
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}
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/* Close the media. */
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status = fx_media_close(&nand_disk);
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/* Check the media close status. */
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if (status != FX_SUCCESS)
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{
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/* Error closing the media, break the loop. */
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break;
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}
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/* Increment the thread counter, which represents the number
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of successful passes through this loop. */
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thread_0_counter++;
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} while (1);
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/* If we get here the FileX test failed! */
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return;
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}
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@@ -0,0 +1,235 @@
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/* This is a small demo of the high-performance FileX FAT file system with LevelX
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and the NOR simulated driver. */
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#include "fx_api.h"
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#include "lx_api.h"
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#define DEMO_STACK_SIZE 2048
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/* Buffer for FileX FX_MEDIA sector cache. This must be large enough for at least one
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sector, which are typically 512 bytes in size. */
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unsigned char media_memory[512];
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/* Define NOR simulated device driver entry. */
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VOID _fx_nor_flash_simulator_driver(FX_MEDIA *media_ptr);
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/* Define LevelX NOR simulated flash erase. */
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UINT _lx_nor_flash_simulator_erase_all(VOID);
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/* Define thread prototypes. */
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void thread_0_entry(ULONG thread_input);
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UCHAR thread_0_stack[DEMO_STACK_SIZE];
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/* Define FileX global data structures. */
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FX_MEDIA nor_disk;
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FX_FILE my_file;
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/* Define ThreadX global data structures. */
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TX_THREAD thread_0;
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ULONG thread_0_counter;
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int main(void)
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{
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/* Enter the ThreadX kernel. */
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tx_kernel_enter();
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}
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/* Define what the initial system looks like. */
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void tx_application_define(void *first_unused_memory)
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{
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/* Put system definition stuff in here, e.g. thread creates and other assorted
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create information. */
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/* Create the main thread. */
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tx_thread_create(&thread_0, "thread 0", thread_0_entry, 0,
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thread_0_stack, DEMO_STACK_SIZE,
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1, 1, TX_NO_TIME_SLICE, TX_AUTO_START);
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/* Initialize NOR flash. */
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lx_nor_flash_initialize();
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/* Initialize FileX. */
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fx_system_initialize();
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}
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void thread_0_entry(ULONG thread_input)
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{
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UINT status;
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ULONG actual;
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CHAR local_buffer[30];
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LX_PARAMETER_NOT_USED(thread_input);
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/* Erase the simulated NOR flash. */
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_lx_nor_flash_simulator_erase_all();
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/* Format the NOR disk - the memory for the NOR flash disk is setup in
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the NOR simulator. Note that for best performance, the format of the
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NOR flash should be less than one full NOR flash block of sectors. */
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fx_media_format(&nor_disk,
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_fx_nor_flash_simulator_driver, // Driver entry
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FX_NULL, // Unused
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media_memory, // Media buffer pointer
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sizeof(media_memory), // Media buffer size
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"MY_NOR_DISK", // Volume Name
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1, // Number of FATs
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32, // Directory Entries
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0, // Hidden sectors
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120, // Total sectors
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512, // 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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/* Loop to repeat the demo over and over! */
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do
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{
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/* Open the NOR disk. */
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status = fx_media_open(&nor_disk, "NOR DISK", _fx_nor_flash_simulator_driver, FX_NULL, media_memory, sizeof(media_memory));
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/* Check the media open status. */
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if (status != FX_SUCCESS)
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{
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/* Error, break the loop! */
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break;
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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(&nor_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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/* Check for an already created status. This is expected on the
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second pass of this loop! */
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if (status != FX_ALREADY_CREATED)
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{
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/* Create error, break the loop. */
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break;
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}
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}
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/* Open the test file. */
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status = fx_file_open(&nor_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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/* Error opening file, break the loop. */
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break;
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}
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/* Seek to the beginning of the test file. */
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status = fx_file_seek(&my_file, 0);
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/* Check the file seek status. */
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if (status != FX_SUCCESS)
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{
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/* Error performing file seek, break the loop. */
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break;
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}
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/* Write a string to the test file. */
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status = fx_file_write(&my_file, " ABCDEFGHIJKLMNOPQRSTUVWXYZ\n", 28);
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/* Check the file write status. */
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if (status != FX_SUCCESS)
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{
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/* Error writing to a file, break the loop. */
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break;
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}
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/* Seek to the beginning of the test file. */
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status = fx_file_seek(&my_file, 0);
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/* Check the file seek status. */
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if (status != FX_SUCCESS)
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{
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/* Error performing file seek, break the loop. */
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break;
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}
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/* Read the first 28 bytes of the test file. */
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status = fx_file_read(&my_file, local_buffer, 28, &actual);
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/* Check the file read status. */
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if ((status != FX_SUCCESS) || (actual != 28))
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{
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/* Error reading file, break the loop. */
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break;
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}
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/* Close the test file. */
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status = fx_file_close(&my_file);
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/* Check the file close status. */
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if (status != FX_SUCCESS)
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{
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/* Error closing the file, break the loop. */
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break;
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}
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/* Delete the file. */
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status = fx_file_delete(&nor_disk, "TEST.TXT");
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/* Check the file delete status. */
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if (status != FX_SUCCESS)
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{
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/* Error deleting the file, break the loop. */
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break;
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}
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/* Close the media. */
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status = fx_media_close(&nor_disk);
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/* Check the media close status. */
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if (status != FX_SUCCESS)
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{
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/* Error closing the media, break the loop. */
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break;
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}
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/* Increment the thread counter, which represents the number
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of successful passes through this loop. */
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thread_0_counter++;
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} while (1);
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/* If we get here the FileX test failed! */
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return;
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}
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