Getting Started VC Smart Cameras
35
8.2 Camera Directory Structure and supported File Types
All VC Smart Cameras feature a flash EPROM as non volatile program and data storage media. Most
cameras also incorporate a 16MB MMC or 512 MB SD card as extended data storage.
The following overview highlights the file handling differences between flash and MMC / SD:
Flash EPROM
MMC / SD
-
Does not support standard file extensions!
The following files types are supported and
automatically converted into numerical file
extensions (FTP transfer):
-
exe
→
000
-
asc
→
001 (also: asc, htm, html, txt from
VCRT 5.25)
-
dat
→
002
-
jpg
→
003
-
binary
→
231 This extension is also
displayed if one of the file types above is
not recognized (adjust file extensions on
PC in this case).
-
Does support standard file extensions
-
EPROM required packing in order to free
memory after file deletion (see 8.1).
-
MMC and SD are self organizing, i.e.
packing after deletion not required.
-
it is not possible to create subdirectories
-
Creation of subdirectories possible
-
$mkdir
md:/subdir
-
Faster
access
-
Slower
access
-
Protected first flash EPROM sector: fd:/sys/
Accessible with “$dir –x”
-
Working directory: fd:/user
-
No subdirectories
-
Path:
md:/
-
File upload per Telnet/ RS232 /FTP
possible
-
File upload only per FTP possible
-
Only *.msf file upload (see section 8.3.1)
-
Upload of standard file types (no *.msf)
-
Default directory for program execution
-
Executing programs from MMC possible
after calling : $cx md: (back: $cx fd: )
Refer to the following sections for further reference:
Program upload via Telnet / RS232
Program upload via FTP
Msf files and file conversions
Refer to the following documentation for further reference (see inner cover text):
Shell commands
VCRT5 Documentation
File conversion of ascii and jpeg files
VCRT5 Documentation
Flash EPROM sizes and other hw specification of
your camera
VC Smart Cameras Hardware documentations
1996-2011 Vision Components GmbH Ettlingen, Germany
Getting_Started_VC.pdf
