Extron electronic DVS 304 manual Directory commands, File commands

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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