diff options
Diffstat (limited to 'nuttx/examples/nsh/README.txt')
| -rw-r--r-- | nuttx/examples/nsh/README.txt | 64 |
1 files changed, 30 insertions, 34 deletions
diff --git a/nuttx/examples/nsh/README.txt b/nuttx/examples/nsh/README.txt index bbe1429d8..ee3a42de2 100644 --- a/nuttx/examples/nsh/README.txt +++ b/nuttx/examples/nsh/README.txt @@ -302,6 +302,24 @@ o exit using the 'exec' command') and you would like to have NSH out of the way. +o free + + Show the current state of the memory allocator. For example, + + nsh> free + free + total used free largest + Mem: 4194288 1591552 2602736 2601584 + + Where: + total - This is the total size of memory allocated for use + by malloc in bytes. + used - This is the total size of memory occupied by + chunks handed out by malloc. + free - This is the total size of memory occupied by + free (not in use) chunks. + largest - Size of the largest free (not in use) chunk + o get [-b|-n] [-f <local-path>] -h <ip-address> <remote-path> Use TFTP to copy the file at <remote-address> from the host whose IP @@ -417,28 +435,6 @@ o mw <hex-address>[=<hex-value>][ <hex-byte-count>] 14 = 0x0c1e nsh> -o mem - - Show the current state of the memory allocator. For example, - - nsh> mem - arena: fe2560 - ordblks: 1 - mxordblk: fdc3e0 - uordblks: 6180 - fordblks: fdc3e0 - nsh> - - Where: - arena - This is the total size of memory allocated for use - by malloc in bytes. - ordblks - This is the number of free (not in use) chunks. - mxordblk - Size of the largest free (not in use) chunk - uordblks - This is the total size of memory occupied by - chunks handed out by malloc. - fordblks - This is the total size of memory occupied by - free (not in use) chunks. - o mkdir <path> Create the directory at <path>. All components of of <path> @@ -770,6 +766,7 @@ Command Dependencies on Configuration Settings echo -- exec -- exit -- + free -- get CONFIG_NET && CONFIG_NET_UDP && CONFIG_NFILE_DESCRIPTORS > 0 && CONFIG_NET_BUFSIZE >= 558 (see note 1) help -- ifconfig CONFIG_NET @@ -777,7 +774,6 @@ Command Dependencies on Configuration Settings losetup !CONFIG_DISABLE_MOUNTPOINT && CONFIG_NFILE_DESCRIPTORS > 0 ls CONFIG_NFILE_DESCRIPTORS > 0 mb,mh,mw --- - mem --- mkdir !CONFIG_DISABLE_MOUNTPOINT && CONFIG_NFILE_DESCRIPTORS > 0 && CONFIG_FS_WRITABLE (see note 4) mkfatfs !CONFIG_DISABLE_MOUNTPOINT && CONFIG_NFILE_DESCRIPTORS > 0 && CONFIG_FS_FAT mkfifo CONFIG_NFILE_DESCRIPTORS > 0 @@ -814,17 +810,17 @@ In addition, each NSH command can be individually disabled via one of the follow settings. All of these settings make the configuration of NSH potentially complex but also allow it to squeeze into very small memory footprints. - CONFIG_EXAMPLES_NSH_DISABLE_CAT, CONFIG_EXAMPLES_NSH_DISABLE_CD, CONFIG_EXAMPLES_NSH_DISABLE_CP, - CONFIG_EXAMPLES_NSH_DISABLE_DD, CONFIG_EXAMPLES_NSH_DISABLE_ECHO, CONFIG_EXAMPLES_NSH_DISABLE_EXEC, - CONFIG_EXAMPLES_NSH_DISABLE_EXIT, CONFIG_EXAMPLES_NSH_DISABLE_GET, CONFIG_EXAMPLES_NSH_DISABLE_HELP, - CONFIG_EXAMPLES_NSH_DISABLE_IFCONFIG, CONFIG_EXAMPLES_NSH_DISABLE_KILL, CONFIG_EXAMPLES_NSH_DISABLE_LOSETUP, - CONFIG_EXAMPLES_NSH_DISABLE_LS, CONFIG_EXAMPLES_NSH_DISABLE_MB, CONFIG_EXAMPLES_NSH_DISABLE_MEM, - CONFIG_EXAMPLES_NSH_DISABLE_MKDIR, CONFIG_EXAMPLES_NSH_DISABLE_MKFATFS, CONFIG_EXAMPLES_NSH_DISABLE_MKFIFO, - CONFIG_EXAMPLES_NSH_DISABLE_MKRD, CONFIG_EXAMPLES_NSH_DISABLE_MH, CONFIG_EXAMPLES_NSH_DISABLE_MOUNT, - CONFIG_EXAMPLES_NSH_DISABLE_MW, CONFIG_EXAMPLES_NSH_DISABLE_PS, CONFIG_EXAMPLES_NSH_DISABLE_PING, - CONFIG_EXAMPLES_NSH_DISABLE_PUT, CONFIG_EXAMPLES_NSH_DISABLE_PWD, CONFIG_EXAMPLES_NSH_DISABLE_RM, - CONFIG_EXAMPLES_NSH_DISABLE_RMDIR, CONFIG_EXAMPLES_NSH_DISABLE_SET, CONFIG_EXAMPLES_NSH_DISABLE_SH, - CONFIG_EXAMPLES_NSH_DISABLE_SLEEP, CONFIG_EXAMPLES_NSH_DISABLE_TEST, CONFIG_EXAMPLES_NSH_DISABLE_UMOUNT, + CONFIG_EXAMPLES_NSH_DISABLE_CAT, CONFIG_EXAMPLES_NSH_DISABLE_CD, CONFIG_EXAMPLES_NSH_DISABLE_CP, + CONFIG_EXAMPLES_NSH_DISABLE_DD, CONFIG_EXAMPLES_NSH_DISABLE_ECHO, CONFIG_EXAMPLES_NSH_DISABLE_EXEC, + CONFIG_EXAMPLES_NSH_DISABLE_EXIT, CONFIG_EXAMPLES_NSH_DISABLE_FREE, CONFIG_EXAMPLES_NSH_DISABLE_GET, + CONFIG_EXAMPLES_NSH_DISABLE_HELP, CONFIG_EXAMPLES_NSH_DISABLE_IFCONFIG, CONFIG_EXAMPLES_NSH_DISABLE_KILL, + CONFIG_EXAMPLES_NSH_DISABLE_LOSETUP, CONFIG_EXAMPLES_NSH_DISABLE_LS, CONFIG_EXAMPLES_NSH_DISABLE_MB, + CONFIG_EXAMPLES_NSH_DISABLE_MKDIR, CONFIG_EXAMPLES_NSH_DISABLE_MKFATFS, CONFIG_EXAMPLES_NSH_DISABLE_MKFIFO, + CONFIG_EXAMPLES_NSH_DISABLE_MKRD, CONFIG_EXAMPLES_NSH_DISABLE_MH, CONFIG_EXAMPLES_NSH_DISABLE_MOUNT, + CONFIG_EXAMPLES_NSH_DISABLE_MW, CONFIG_EXAMPLES_NSH_DISABLE_PS, CONFIG_EXAMPLES_NSH_DISABLE_PING, + CONFIG_EXAMPLES_NSH_DISABLE_PUT, CONFIG_EXAMPLES_NSH_DISABLE_PWD, CONFIG_EXAMPLES_NSH_DISABLE_RM, + CONFIG_EXAMPLES_NSH_DISABLE_RMDIR, CONFIG_EXAMPLES_NSH_DISABLE_SET, CONFIG_EXAMPLES_NSH_DISABLE_SH, + CONFIG_EXAMPLES_NSH_DISABLE_SLEEP, CONFIG_EXAMPLES_NSH_DISABLE_TEST, CONFIG_EXAMPLES_NSH_DISABLE_UMOUNT, CONFIG_EXAMPLES_NSH_DISABLE_UNSET, CONFIG_EXAMPLES_NSH_DISABLE_USLEEP, CONFIG_EXAMPLES_NSH_DISABLE_WGET, CONFIG_EXAMPLES_NSH_DISABLE_XD |