diff options
Diffstat (limited to 'apps/examples')
-rw-r--r-- | apps/examples/nxffs/nxffs_main.c | 952 |
1 files changed, 51 insertions, 901 deletions
diff --git a/apps/examples/nxffs/nxffs_main.c b/apps/examples/nxffs/nxffs_main.c index e201f0802..1b50ca386 100644 --- a/apps/examples/nxffs/nxffs_main.c +++ b/apps/examples/nxffs/nxffs_main.c @@ -1,41 +1,3 @@ -/**************************************************************************** - * examples/nxffs/nxffs_main.c - * - * Copyright (C) 2011 Gregory Nutt. All rights reserved. - * Author: Gregory Nutt <spudmonkey@racsa.co.cr> - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * 3. Neither the name NuttX nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - ****************************************************************************/ - -/**************************************************************************** - * Included Files - ****************************************************************************/ #include <nuttx/config.h> @@ -53,887 +15,75 @@ #include <debug.h> #include <nuttx/mtd.h> +#include <nuttx/ioctl.h> #include <nuttx/nxffs.h> -/**************************************************************************** - * Definitions - ****************************************************************************/ -/* Configuration ************************************************************/ -/* The default is to use the RAM MTD device at drivers/mtd/rammtd.c. But - * an architecture-specific MTD driver can be used instead by defining - * CONFIG_EXAMPLES_NXFFS_ARCHINIT. In this case, the initialization logic - * will call nxffs_archinitialize() to obtain the MTD driver instance. - */ - -#ifndef CONFIG_EXAMPLES_NXFFS_ARCHINIT - -/* This must exactly match the default configuration in drivers/mtd/rammtd.c */ - -# ifndef CONFIG_RAMMTD_BLOCKSIZE -# define CONFIG_RAMMTD_BLOCKSIZE 512 -# endif - -# ifndef CONFIG_RAMMTD_ERASESIZE -# define CONFIG_RAMMTD_ERASESIZE 4096 -# endif - -# ifndef CONFIG_EXAMPLES_NXFFS_NEBLOCKS -# define CONFIG_EXAMPLES_NXFFS_NEBLOCKS (32) -# endif - -# undef CONFIG_EXAMPLES_NXFFS_BUFSIZE -# define CONFIG_EXAMPLES_NXFFS_BUFSIZE \ - (CONFIG_RAMMTD_ERASESIZE * CONFIG_EXAMPLES_NXFFS_NEBLOCKS) -#endif - -#ifndef CONFIG_EXAMPLES_NXFFS_MAXNAME -# define CONFIG_EXAMPLES_NXFFS_MAXNAME 128 -#endif - -#if CONFIG_EXAMPLES_NXFFS_MAXNAME > 255 -# undef CONFIG_EXAMPLES_NXFFS_MAXNAME -# define CONFIG_EXAMPLES_NXFFS_MAXNAME 255 -#endif - -#ifndef CONFIG_EXAMPLES_NXFFS_MAXFILE -# define CONFIG_EXAMPLES_NXFFS_MAXFILE 8192 -#endif - -#ifndef CONFIG_EXAMPLES_NXFFS_MAXIO -# define CONFIG_EXAMPLES_NXFFS_MAXIO 347 -#endif - -#ifndef CONFIG_EXAMPLES_NXFFS_MAXOPEN -# define CONFIG_EXAMPLES_NXFFS_MAXOPEN 512 -#endif - -#ifndef CONFIG_EXAMPLES_NXFFS_MOUNTPT -# define CONFIG_EXAMPLES_NXFFS_MOUNTPT "/mnt/nxffs" -#endif - -#ifndef CONFIG_EXAMPLES_NXFFS_NLOOPS -# define CONFIG_EXAMPLES_NXFFS_NLOOPS 100 -#endif - -#ifndef CONFIG_EXAMPLES_NXFFS_VERBOSE -# define CONFIG_EXAMPLES_NXFFS_VERBOSE 0 -#endif - -#if defined(CONFIG_DEBUG) && defined(CONFIG_DEBUG_FS) -# define message lib_rawprintf -# define msgflush() -#else -# define message printf -# define msgflush() fflush(stdout); -#endif - -/**************************************************************************** - * Private Types - ****************************************************************************/ - -struct nxffs_filedesc_s -{ - FAR char *name; - bool deleted; - size_t len; - uint32_t crc; -}; - -/**************************************************************************** - * Private Data - ****************************************************************************/ -/* Pre-allocated simulated flash */ - -#ifndef CONFIG_EXAMPLES_NXFFS_ARCHINIT -static uint8_t g_simflash[CONFIG_EXAMPLES_NXFFS_BUFSIZE]; -#endif - -static uint8_t g_fileimage[CONFIG_EXAMPLES_NXFFS_MAXFILE]; -static struct nxffs_filedesc_s g_files[CONFIG_EXAMPLES_NXFFS_MAXOPEN]; -static const char g_mountdir[] = CONFIG_EXAMPLES_NXFFS_MOUNTPT "/"; -static int g_nfiles; -static int g_ndeleted; - -static struct mallinfo g_mmbefore; -static struct mallinfo g_mmprevious; -static struct mallinfo g_mmafter; - -/**************************************************************************** - * External Functions - ****************************************************************************/ - -#ifdef CONFIG_EXAMPLES_NXFFS_ARCHINIT -extern FAR struct mtd_dev_s *nxffs_archinitialize(void); -#endif - -/**************************************************************************** - * Private Functions - ****************************************************************************/ - -/**************************************************************************** - * Name: nxffs_memusage - ****************************************************************************/ - -static void nxffs_showmemusage(struct mallinfo *mmbefore, - struct mallinfo *mmafter) -{ - message("VARIABLE BEFORE AFTER\n"); - message("======== ======== ========\n"); - message("arena %8x %8x\n", mmbefore->arena, mmafter->arena); - message("ordblks %8d %8d\n", mmbefore->ordblks, mmafter->ordblks); - message("mxordblk %8x %8x\n", mmbefore->mxordblk, mmafter->mxordblk); - message("uordblks %8x %8x\n", mmbefore->uordblks, mmafter->uordblks); - message("fordblks %8x %8x\n", mmbefore->fordblks, mmafter->fordblks); -} - -/**************************************************************************** - * Name: nxffs_loopmemusage - ****************************************************************************/ - -static void nxffs_loopmemusage(void) -{ - /* Get the current memory usage */ - -#ifdef CONFIG_CAN_PASS_STRUCTS - g_mmafter = mallinfo(); -#else - (void)mallinfo(&g_mmafter); -#endif - - /* Show the change from the previous loop */ - - message("\nEnd of loop memory usage:\n"); - nxffs_showmemusage(&g_mmprevious, &g_mmafter); - - /* Set up for the next test */ - -#ifdef CONFIG_CAN_PASS_STRUCTS - g_mmprevious = g_mmafter; -#else - memcpy(&g_mmprevious, &g_mmafter, sizeof(struct mallinfo)); -#endif -} - -/**************************************************************************** - * Name: nxffs_endmemusage - ****************************************************************************/ - -static void nxffs_endmemusage(void) -{ -#ifdef CONFIG_CAN_PASS_STRUCTS - g_mmafter = mallinfo(); -#else - (void)mallinfo(&g_mmafter); +#if CONFIG_RAMMTD_BLOCKSIZE != 32 +# error "SetCONFIG_RAMMTD_BLOCKSIZE to 32" #endif - message("\nFinal memory usage:\n"); - nxffs_showmemusage(&g_mmbefore, &g_mmafter); -} - -/**************************************************************************** - * Name: nxffs_randchar - ****************************************************************************/ - -static inline char nxffs_randchar(void) -{ - int value = rand() % 63; - if (value == 0) - { - return '/'; - } - else if (value <= 10) - { - return value + '0' - 1; - } - else if (value <= 36) - { - return value + 'a' - 11; - } - else /* if (value <= 62) */ - { - return value + 'A' - 37; - } -} - -/**************************************************************************** - * Name: nxffs_randname - ****************************************************************************/ - -static inline void nxffs_randname(FAR struct nxffs_filedesc_s *file) -{ - int dirlen; - int maxname; - int namelen; - int alloclen; - int i; - - dirlen = strlen(g_mountdir); - maxname = CONFIG_EXAMPLES_NXFFS_MAXNAME - dirlen; - namelen = (rand() % maxname) + 1; - alloclen = namelen + dirlen; - - file->name = (FAR char*)malloc(alloclen + 1); - if (!file->name) - { - message("ERROR: Failed to allocate name, length=%d\n", namelen); - msgflush(); - exit(5); - } - - memcpy(file->name, g_mountdir, dirlen); - for (i = dirlen; i < alloclen; i++) - { - file->name[i] = nxffs_randchar(); - } - - file->name[alloclen] = '\0'; -} - -/**************************************************************************** - * Name: nxffs_randfile - ****************************************************************************/ - -static inline void nxffs_randfile(FAR struct nxffs_filedesc_s *file) -{ - int i; - - file->len = (rand() % CONFIG_EXAMPLES_NXFFS_MAXFILE) + 1; - for (i = 0; i < file->len; i++) - { - g_fileimage[i] = nxffs_randchar(); - } - file->crc = crc32(g_fileimage, file->len); -} - -/**************************************************************************** - * Name: nxffs_freefile - ****************************************************************************/ - -static void nxffs_freefile(FAR struct nxffs_filedesc_s *file) -{ - if (file->name) - { - free(file->name); - } - memset(file, 0, sizeof(struct nxffs_filedesc_s)); -} - -/**************************************************************************** - * Name: nxffs_wrfile - ****************************************************************************/ - -static inline int nxffs_wrfile(FAR struct nxffs_filedesc_s *file) -{ - size_t offset; - int fd; - int ret; - - /* Create a random file */ - - nxffs_randname(file); - nxffs_randfile(file); - fd = open(file->name, O_WRONLY | O_CREAT | O_EXCL, 0666); - if (fd < 0) - { - /* If it failed because there is no space on the device, then don't - * complain. - */ - - if (errno != ENOSPC) - { - message("ERROR: Failed to open file for writing: %d\n", errno); - message(" File name: %s\n", file->name); - message(" File size: %d\n", file->len); - } - nxffs_freefile(file); - return ERROR; - } - - /* Write a random amount of data to the file */ - - for (offset = 0; offset < file->len; ) - { - size_t maxio = (rand() % CONFIG_EXAMPLES_NXFFS_MAXIO) + 1; - size_t nbytestowrite = file->len - offset; - ssize_t nbyteswritten; - - if (nbytestowrite > maxio) - { - nbytestowrite = maxio; - } - - nbyteswritten = write(fd, &g_fileimage[offset], nbytestowrite); - if (nbyteswritten < 0) - { - int err = errno; - - /* If the write failed because there is no space on the device, - * then don't complain. - */ - - if (err != ENOSPC) - { - message("ERROR: Failed to write file: %d\n", err); - message(" File name: %s\n", file->name); - message(" File size: %d\n", file->len); - message(" Write offset: %d\n", offset); - message(" Write size: %d\n", nbytestowrite); - ret = ERROR; - } - close(fd); - - /* Remove any garbage file that might have been left behind */ - - ret = unlink(file->name); - if (ret < 0) - { - message(" Failed to remove partial file\n"); - } - else - { -#if CONFIG_EXAMPLES_NXFFS_VERBOSE != 0 - message(" Successfully removed partial file\n"); -#endif - } - - nxffs_freefile(file); - return ERROR; - } - else if (nbyteswritten != nbytestowrite) - { - message("ERROR: Partial write:\n"); - message(" File name: %s\n", file->name); - message(" File size: %d\n", file->len); - message(" Write offset: %d\n", offset); - message(" Write size: %d\n", nbytestowrite); - message(" Written: %d\n", nbyteswritten); - } - offset += nbyteswritten; - } - - close(fd); - return OK; -} - -/**************************************************************************** - * Name: nxffs_fillfs - ****************************************************************************/ - -static int nxffs_fillfs(void) -{ - FAR struct nxffs_filedesc_s *file; - int ret; - int i; - - /* Create a file for each unused file structure */ - - for (i = 0; i < CONFIG_EXAMPLES_NXFFS_MAXOPEN; i++) - { - file = &g_files[i]; - if (file->name == NULL) - { - ret = nxffs_wrfile(file); - if (ret < 0) - { -#if CONFIG_EXAMPLES_NXFFS_VERBOSE != 0 - message("ERROR: Failed to write file %d\n", i); -#endif - return ERROR; - } - -#if CONFIG_EXAMPLES_NXFFS_VERBOSE != 0 - message(" Created file %s\n", file->name); -#endif - g_nfiles++; - } - } - - return OK; -} -/**************************************************************************** - * Name: nxffs_rdblock - ****************************************************************************/ +static int8_t random_data[1068]; +//static int8_t mtd_ram[4096]; <-- Not enough space for two file copies +static int8_t mtd_ram[4096]; -static ssize_t nxffs_rdblock(int fd, FAR struct nxffs_filedesc_s *file, - size_t offset, size_t len) +static int brake_nxffs(void) { - size_t maxio = (rand() % CONFIG_EXAMPLES_NXFFS_MAXIO) + 1; - ssize_t nbytesread; + FAR struct mtd_dev_s * mtd_dev; + int ret,i; + FILE *config; + int32_t size; - if (len > maxio) + mtd_dev = rammtd_initialize(mtd_ram, sizeof(mtd_ram)); + if (mtd_dev == NULL) { - len = maxio; + vdbg("RAM MTD of init failed"); } - nbytesread = read(fd, &g_fileimage[offset], len); - if (nbytesread < 0) - { - message("ERROR: Failed to read file: %d\n", errno); - message(" File name: %s\n", file->name); - message(" File size: %d\n", file->len); - message(" Read offset: %d\n", offset); - message(" Read size: %d\n", len); - return ERROR; - } - else if (nbytesread == 0) - { -#if 0 /* No... we do this on purpose sometimes */ - message("ERROR: Unexpected end-of-file:\n"); - message(" File name: %s\n", file->name); - message(" File size: %d\n", file->len); - message(" Read offset: %d\n", offset); - message(" Read size: %d\n", len); -#endif - return ERROR; - } - else if (nbytesread != len) - { - message("ERROR: Partial read:\n"); - message(" File name: %s\n", file->name); - message(" File size: %d\n", file->len); - message(" Read offset: %d\n", offset); - message(" Read size: %d\n", len); - message(" Bytes read: %d\n", nbytesread); - } - return nbytesread; -} - -/**************************************************************************** - * Name: nxffs_rdfile - ****************************************************************************/ - -static inline int nxffs_rdfile(FAR struct nxffs_filedesc_s *file) -{ - size_t ntotalread; - ssize_t nbytesread; - uint32_t crc; - int fd; - - /* Open the file for reading */ - - fd = open(file->name, O_RDONLY); - if (fd < 0) - { - if (!file->deleted) - { - message("ERROR: Failed to open file for reading: %d\n", errno); - message(" File name: %s\n", file->name); - message(" File size: %d\n", file->len); - } - return ERROR; - } - - /* Read all of the data info the fileimage buffer using random read sizes */ - - for (ntotalread = 0; ntotalread < file->len; ) - { - nbytesread = nxffs_rdblock(fd, file, ntotalread, file->len - ntotalread); - if (nbytesread < 0) - { - close(fd); - return ERROR; - } - - ntotalread += nbytesread; - } - - /* Verify the file image CRC */ - - crc = crc32(g_fileimage, file->len); - if (crc != file->crc) - { - message("ERROR: Bad CRC: %d vs %d\n", crc, file->crc); - message(" File name: %s\n", file->name); - message(" File size: %d\n", file->len); - close(fd); - return ERROR; - } - - /* Try reading past the end of the file */ - - nbytesread = nxffs_rdblock(fd, file, ntotalread, 1024) ; - if (nbytesread > 0) - { - message("ERROR: Read past the end of file\n"); - message(" File name: %s\n", file->name); - message(" File size: %d\n", file->len); - message(" Bytes read: %d\n", nbytesread); - close(fd); - return ERROR; - } - - close(fd); - return OK; -} - -/**************************************************************************** - * Name: nxffs_verifyfs - ****************************************************************************/ - -static int nxffs_verifyfs(void) -{ - FAR struct nxffs_filedesc_s *file; - int ret; - int i; - - /* Create a file for each unused file structure */ - - for (i = 0; i < CONFIG_EXAMPLES_NXFFS_MAXOPEN; i++) - { - file = &g_files[i]; - if (file->name != NULL) - { - ret = nxffs_rdfile(file); - if (ret < 0) - { - if (file->deleted) - { -#if CONFIG_EXAMPLES_NXFFS_VERBOSE != 0 - message("Deleted file %d OK\n", i); -#endif - nxffs_freefile(file); - g_ndeleted--; - g_nfiles--; - } - else - { - message("ERROR: Failed to read a file: %d\n", i); - message(" File name: %s\n", file->name); - message(" File size: %d\n", file->len); - return ERROR; - } - } - else - { - if (file->deleted) - { -#if CONFIG_EXAMPLES_NXFFS_VERBOSE != 0 - message("Succesffully read a deleted file\n"); - message(" File name: %s\n", file->name); - message(" File size: %d\n", file->len); -#endif - nxffs_freefile(file); - g_ndeleted--; - g_nfiles--; - return ERROR; - } - else - { -#if CONFIG_EXAMPLES_NXFFS_VERBOSE != 0 - message(" Verifed file %s\n", file->name); -#endif - } - } - } - } - - return OK; -} - -/**************************************************************************** - * Name: nxffs_delfiles - ****************************************************************************/ - -static int nxffs_delfiles(void) -{ - FAR struct nxffs_filedesc_s *file; - int ndel; - int ret; - int i; - int j; - - /* How many files should we delete? */ - - ndel = (rand() % (g_nfiles - g_ndeleted)) + 1; - - /* Now pick which files to delete */ - - for (i = 0; i < ndel; i++) - { - /* Guess a file index */ - - int ndx = (rand() % (g_nfiles - g_ndeleted)); - - /* And delete the next undeleted file after that random index */ - - for (j = ndx + 1; j != ndx;) - { - file = &g_files[j]; - if (file->name && !file->deleted) - { - ret = unlink(file->name); - if (ret < 0) - { - message("ERROR: Unlink %d failed: %d\n", i+1, errno); - message(" File name: %s\n", file->name); - message(" File size: %d\n", file->len); - message(" File index: %d\n", j); - } - else - { -#if CONFIG_EXAMPLES_NXFFS_VERBOSE != 0 - message(" Deleted file %s\n", file->name); -#endif - file->deleted = true; - g_ndeleted++; - break; - } - } - - /* Increment the index and test for wrap-around */ - - if (++j >= CONFIG_EXAMPLES_NXFFS_MAXOPEN) - { - j = 0; - } - - } - } - - return OK; -} - -/**************************************************************************** - * Name: nxffs_delallfiles - ****************************************************************************/ - -static int nxffs_delallfiles(void) -{ - FAR struct nxffs_filedesc_s *file; - int ret; - int i; - - for (i = 0; i < CONFIG_EXAMPLES_NXFFS_MAXOPEN; i++) - { - file = &g_files[i]; - if (file->name) - { - ret = unlink(file->name); - if (ret < 0) - { - message("ERROR: Unlink %d failed: %d\n", i+1, errno); - message(" File name: %s\n", file->name); - message(" File size: %d\n", file->len); - message(" File index: %d\n", i); - } - else - { -#if CONFIG_EXAMPLES_NXFFS_VERBOSE != 0 - message(" Deleted file %s\n", file->name); -#endif - nxffs_freefile(file); - } - } - } - - g_nfiles = 0; - g_ndeleted = 0; - return OK; -} - -/**************************************************************************** - * Name: nxffs_directory - ****************************************************************************/ - -static int nxffs_directory(void) -{ - DIR *dirp; - FAR struct dirent *entryp; - int number; - - /* Open the directory */ - - dirp = opendir(CONFIG_EXAMPLES_NXFFS_MOUNTPT); - - if (!dirp) + ret = nxffs_initialize(mtd_dev); + if (ret < 0) { - /* Failed to open the directory */ - - message("ERROR: Failed to open directory '%s': %d\n", - CONFIG_EXAMPLES_NXFFS_MOUNTPT, errno); - return ERROR; + vdbg("ERROR: NXFFS initialization failed: %d\n", -ret); + vdbg("errasing it and trying again\n"); + mtd_dev->ioctl(mtd_dev,MTDIOC_BULKERASE,0); + ret = nxffs_initialize(mtd_dev); + if(ret <0) return -1; // broke good } - /* Read each directory entry */ - - message("Directory:\n"); - number = 1; - do + ret = mount(NULL, "/mnt/nxffs", "nxffs", 0, NULL); + if (ret < 0) { - entryp = readdir(dirp); - if (entryp) - { - message("%2d. Type[%d]: %s Name: %s\n", - number, entryp->d_type, - entryp->d_type == DTYPE_FILE ? "File " : "Error", - entryp->d_name); - } - number++; + dbg("ERROR: Failed to mount the NXFFS volume: %d\n", errno); + dbg("%s\n\r",strerror(errno)); + } + + for(i = 0; i<10; i++) + { + config = fopen("/mnt/nxffs/config","w"); + ret = fwrite(random_data,sizeof(random_data),1,config); + fclose(config); + if (ret == 1) + dbg("wrote all the data\r\n"); + else{ + dbg("ERROR! did not write all the data\r\n"); + sleep(1); + exit(0); + } + config = fopen("/mnt/nxffs/config","r"); + size = fread(random_data,sizeof(random_data),1,config); + if (size == 1) + dbg("read the right amount of data\n\r"); + else{ + dbg("ERROR! did not read the right amount of data\n\r"); + sleep(1); + exit(0); + } + fclose(config); } - while (entryp != NULL); - - closedir(dirp); - return OK; + return 0; } -/**************************************************************************** - * Public Functions - ****************************************************************************/ - -/**************************************************************************** - * Name: user_start - ****************************************************************************/ - int user_start(int argc, char *argv[]) { - FAR struct mtd_dev_s *mtd; - unsigned int i; - int ret; - - /* Seed the random number generated */ - - srand(0x93846); - - /* Create and initialize a RAM MTD device instance */ - -#ifdef CONFIG_EXAMPLES_NXFFS_ARCHINIT - mtd = nxffs_archinitialize(); -#else - mtd = rammtd_initialize(g_simflash, CONFIG_EXAMPLES_NXFFS_BUFSIZE); -#endif - if (!mtd) - { - message("ERROR: Failed to create RAM MTD instance\n"); - msgflush(); - exit(1); - } - - /* Initialize to provide NXFFS on an MTD interface */ - - ret = nxffs_initialize(mtd); - if (ret < 0) - { - message("ERROR: NXFFS initialization failed: %d\n", -ret); - msgflush(); - exit(2); - } - - /* Mount the file system */ - - ret = mount(NULL, CONFIG_EXAMPLES_NXFFS_MOUNTPT, "nxffs", 0, NULL); - if (ret < 0) - { - message("ERROR: Failed to mount the NXFFS volume: %d\n", errno); - msgflush(); - exit(3); - } - - /* Set up memory monitoring */ - -#ifdef CONFIG_CAN_PASS_STRUCTS - g_mmbefore = mallinfo(); - g_mmprevious = g_mmbefore; -#else - (void)mallinfo(&g_mmbefore); - memcpy(&g_mmprevious, &g_mmbefore, sizeof(struct mallinfo)); -#endif - - /* Loop a few times ... file the file system with some random, files, - * delete some files randomly, fill the file system with more random file, - * delete, etc. This beats the FLASH very hard! - */ - -#if CONFIG_EXAMPLES_NXFFS_NLOOPS == 0 - for (i = 0; ; i++) -#else - for (i = 1; i <= CONFIG_EXAMPLES_NXFFS_NLOOPS; i++) -#endif - { - /* Write a files to the NXFFS file system until either (1) all of the - * open file structures are utilized or until (2) NXFFS reports an error - * (hopefully that the file system is full) - */ - - message("\n=== FILLING %d =============================\n", i); - ret = nxffs_fillfs(); - message("Filled file system\n"); - message(" Number of files: %d\n", g_nfiles); - message(" Number deleted: %d\n", g_ndeleted); - nxffs_dump(mtd, CONFIG_EXAMPLES_NXFFS_VERBOSE); - - /* Directory listing */ - - nxffs_directory(); - - /* Verify all files written to FLASH */ - - ret = nxffs_verifyfs(); - if (ret < 0) - { - message("ERROR: Failed to verify files\n"); - message(" Number of files: %d\n", g_nfiles); - message(" Number deleted: %d\n", g_ndeleted); - } - else - { -#if CONFIG_EXAMPLES_NXFFS_VERBOSE != 0 - message("Verified!\n"); - message(" Number of files: %d\n", g_nfiles); - message(" Number deleted: %d\n", g_ndeleted); -#endif - } - - /* Delete some files */ - - message("\n=== DELETING %d ============================\n", i); - ret = nxffs_delfiles(); - if (ret < 0) - { - message("ERROR: Failed to delete files\n"); - message(" Number of files: %d\n", g_nfiles); - message(" Number deleted: %d\n", g_ndeleted); - } - else - { - message("Deleted some files\n"); - message(" Number of files: %d\n", g_nfiles); - message(" Number deleted: %d\n", g_ndeleted); - } - nxffs_dump(mtd, CONFIG_EXAMPLES_NXFFS_VERBOSE); - - /* Directory listing */ - - nxffs_directory(); - - /* Verify all files written to FLASH */ - - ret = nxffs_verifyfs(); - if (ret < 0) - { - message("ERROR: Failed to verify files\n"); - message(" Number of files: %d\n", g_nfiles); - message(" Number deleted: %d\n", g_ndeleted); - } - else - { -#if CONFIG_EXAMPLES_NXFFS_VERBOSE != 0 - message("Verified!\n"); - message(" Number of files: %d\n", g_nfiles); - message(" Number deleted: %d\n", g_ndeleted); -#endif - } - - /* Show memory usage */ - - nxffs_loopmemusage(); - msgflush(); - } - - /* Delete all files then show memory usage again */ - - nxffs_delallfiles(); - nxffs_endmemusage(); - msgflush(); - return 0; + return brake_nxffs(); } |