int cmd_mkfatfs(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv)
{
struct fat_format_s fmt = FAT_FORMAT_INITIALIZER;
char *fullpath = nsh_getfullpath(vtbl, argv[1]);
int ret = ERROR;
if (fullpath)
{
ret = mkfatfs(fullpath, &fmt);
if (ret < 0)
{
nsh_output(vtbl, g_fmtcmdfailed, argv[0], "mkfatfs", NSH_ERRNO);
}
nsh_freefullpath(fullpath);
}
return ret;
}
int usbmsc_archinitialize(void)
{
uint8_t *pbuffer;
int ret;
pbuffer = (uint8_t *)kmm_malloc(BUFFER_SIZE);
if (!pbuffer)
{
lowsyslog(LOG_ERR, "ERROR: Failed to allocate ramdisk of size %d\n",
BUFFER_SIZE);
return -ENOMEM;
}
/* Register a RAMDISK device to manage this RAM image */
ret = ramdisk_register(CONFIG_SYSTEM_USBMSC_DEVMINOR1,
pbuffer,
USBMSC_NSECTORS,
USBMSC_SECTORSIZE,
RDFLAG_WRENABLED | RDFLAG_FUNLINK);
if (ret < 0)
{
syslog(LOG_ERR,
"ERROR: create_ramdisk: Failed to register ramdisk at %s: %d\n",
g_source, -ret);
kmm_free(pbuffer);
return ret;
}
/* Create a FAT filesystem on the ramdisk */
ret = mkfatfs(g_source, &g_fmt);
if (ret < 0)
{
syslog(LOG_ERR,
"ERROR: create_ramdisk: Failed to create FAT filesystem on ramdisk at %s\n",
g_source);
/* kmm_free(pbuffer); -- RAM disk is registered */
return ret;
}
return 0;
}
int usbmsc_archinitialize(void)
{
uint8_t *pbuffer;
int ret;
pbuffer = (uint8_t *) malloc (BUFFER_SIZE);
if (!pbuffer)
{
lib_lowprintf ("usbmsc_archinitialize: Failed to allocate ramdisk of size %d\n",
BUFFER_SIZE);
return -ENOMEM;
}
/* Register a RAMDISK device to manage this RAM image */
ret = ramdisk_register(CONFIG_EXAMPLES_USBMSC_DEVMINOR1,
pbuffer,
USBMSC_NSECTORS,
USBMSC_SECTORSIZE,
true);
if (ret < 0)
{
printf("create_ramdisk: Failed to register ramdisk at %s: %d\n",
g_source, -ret);
free(pbuffer);
return ret;
}
/* Create a FAT filesystem on the ramdisk */
ret = mkfatfs(g_source, &g_fmt);
if (ret < 0)
{
printf("create_ramdisk: Failed to create FAT filesystem on ramdisk at %s\n",
g_source);
/* free(pbuffer); -- RAM disk is registered */
return ret;
}
return 0;
}
int cmd_mkfatfs(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv)
{
struct fat_format_s fmt = FAT_FORMAT_INITIALIZER;
FAR char *fullpath;
bool badarg;
int option;
int ret = ERROR;
/* mkfatfs [-F <fatsize>] <block-driver> */
badarg = false;
while ((option = getopt(argc, argv, ":F:")) != ERROR)
{
switch (option)
{
case 'F':
fmt.ff_fattype = atoi(optarg);
if (fmt.ff_fattype != 0 && fmt.ff_fattype != 12 &&
fmt.ff_fattype != 16 && fmt.ff_fattype != 32)
{
nsh_output(vtbl, g_fmtargrange, argv[0]);
badarg = true;
}
break;
case ':':
nsh_output(vtbl, g_fmtargrequired, argv[0]);
badarg = true;
break;
case '?':
default:
nsh_output(vtbl, g_fmtarginvalid, argv[0]);
badarg = true;
break;
}
}
/* If a bad argument was encountered, then return without processing the command */
if (badarg)
{
return ERROR;
}
/* There should be exactly one parameter left on the command-line */
if (optind == argc-1)
{
fullpath = nsh_getfullpath(vtbl, argv[optind]);
if (!fullpath)
{
nsh_output(vtbl, g_fmtcmdfailed, argv[0], "nsh_getfullpath",
NSH_ERRNO);
return ERROR;
}
}
else if (optind >= argc)
{
nsh_output(vtbl, g_fmttoomanyargs, argv[0]);
return ERROR;
}
else
{
nsh_output(vtbl, g_fmtargrequired, argv[0]);
return ERROR;
}
/* Now format the FAT file system */
ret = mkfatfs(fullpath, &fmt);
if (ret < 0)
{
nsh_output(vtbl, g_fmtcmdfailed, argv[0], "mkfatfs", NSH_ERRNO);
}
nsh_freefullpath(fullpath);
return ret;
}
