Extron Electronics DVS 304 Series User Guide - Manual (Page 57)

Command
ASCII (T
elnet)
(host to pr
ocessor)
URL Encoded (W
eb)
(host to pr
ocessor)
Response (pr
ocessor to host)
Additional description
File commands Get file listing
E
DF
}
WDF
|
(See below
.)
Retrieve a list of files stor
ed in the DVS 304.
Each line of the r
esponse lists a dif
fer
ent file
name and its corr
esponding file size. The last
line of the r
esponse indicates how much
available file space r
emains.
Unit T
elnet text r
esponses:
Unit W
eb r
esponses:
filename
x • date/time * length
]
var file - new Array ():
filename
x • date/time * length
]
file [1] = ‘
filename
1, date 1, filesize 1’;
filename
x • date/time * length
]
file [2] = ‘
filename
2, date 2, filesize 2’;
filename
x • date/time * length
]
file [3] = ‘
filename
3, date 3, filesize 3’;
...
...
space_r
emaining • Bytes left
]]
file [n] = ‘
filename
n, date n,
filesize
n’;
file [n + 1] = ‘space r
emaining, Bytes left’
Str
eam files via port 80
Load file to user flash memory
Use a POST command on port 80 followed by the delimited data to be written to the flash file memory
.
Retrieve file fr
om user flash
memory
Send a page GET command on port 80 followed by: WSF
|
{Responds with raw unpr
ocessed data in file.}
Example:
http://192.168.254.254/mypage.html?cmd=WSF
|
Str
eam files via T
elnet or RS-232
Load file to user flash memory
E
+ UF
filesize
,
filenam
e
}
{Raw unpr
ocessed data
in file up to
filesize
}
Upl
]
Retrieve file fr
om user flash
memory
E
filename
SF
}
1B
filename
52 46 0D
{Responds with raw unpr
ocessed data in file + 1 byte checksum.}
Dir
ectory commands
Change/cr
eate dir
ectory
E
{path}
/{director
y}
/CJ
}
W
{path}
/{director
y}
/CJ
|
Dir•
{path}
/{director
y}
/
]
NOTE:
A dir
ectory does not actually exist until a file has been copied into the path.
Move back to r
oot dir
ectory
E
/ CJ
}
W%2FCJ
|
Dir•/
]
Move up one dir
ectory
E
..CJ
}
W%2E%2ECJ
|
Dir•
{path}
/
{director
y}
/
]
V
iew curr
ent dir
ectory
E
CJ
}
WCJ
|
{path}
/{director
y}
/
]
DVS 304 Series • SIS Communication and Control 52