Extron electronic DVS 304 E Df, Series SIS, Communication and Control, Directory commands, E Cj

DVS 304

Command	ASCII (Telnet)	URL Encoded (Web)	Response	Additional description
	(host to processor)	(host to processor)	(processor to host)
File commands
Get file listing	E DF }	WDF	(See below.)	Retrieve a list of files stored in the DVS 304.
				Each line of the response lists a different file
				name and its corresponding file size. The last
				line of the response indicates how much
				available file space remains.

Unit Telnet text responses: Unit Web responses:

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_remaining • Bytes left ]]	file [n] = ‘filename n, date n, filesize n’;
	file [n + 1] = ‘space remaining, Bytes left’

Stream 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 from user flash	Send a page GET command on port 80 followed by: WSF	{Responds with raw unprocessed data in file.}
memory

Example: http://192.168.254.254/mypage.html?cmd=WSF

Series • SIS

Stream files via Telnet or RS-232

Load file to user flash memory

Retrieve file from user flash memory

E + UF filesize,	{Raw unprocessed data	Upl ]
filename }	in file up to filesize}
E filename SF }	1B filename 52 46 0D	{Responds with raw unprocessed data in file + 1 byte checksum.}

Communication and Control

Directory commands

Change/create directory E{path}/{directory}/CJ} W {path}/{directory}/CJ Dir•{path}/{directory}/]

NOTE: A directory does not actually exist until a file has been copied into the path.

Move back to root directory	E / CJ}	W%2FCJ	Dir•/]
Move up one directory	E ..CJ}	W%2E%2ECJ	Dir•{path}/
			{directory}/]
View current directory	E CJ}	WCJ	{path}/{directory}/]

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