Extron electronic DVS 304 D Stereo Receiver User Manual


 
Serial Communication, cont’d
DVS 304 • Serial Communication
3-16
Command/response table for IP control port commands (continued
Command ASCII (Telnet
(host to processor
URL Encoded (Web
(host to processor
Response
(processor to host
Additional description
Query updated firmware
version
4Q 4Q
X1! ]
Use this command to find out which version f
firmware has been uploaded into the
processor post factory.
Example:
4Q 4Q 1.01 * (1.46-DVS 304
Series -Mon, 17 Jan
2005 17:03:46 GMT)
In this example, factory firmware version is
1.01, kernel version 1.46, for DVS 304, dated
1Jan, 2005
Information requests
Request processor part number N N
60-XXX-XX
]
Show processor part number. DVS 304 is
60-736-01 DVS 304 A is 60-736-02
Request model name 1I 1I Extron Electronics
DVS 304 X
]
Show processor model name
Request model description 2I 2I Digital Video Scaler Show type of unit.
Request system memory usage 3I 3I # Bytes used out of
#Kbytes
]
Show amount of memory used and total
available memory for system operations.
Request user memory usage 4I 4I # Bytes used out of
#Kbytes
]
Show amount of user memory used and
total vailable user memory.
Event Control
Read event memory buffer
27
E X3%, X3^, X3&, X3*
E}
WX3%, X3^, X3&, X3* E| X5$ ]
Read the contents of a specific section of a
memory buffer for event number
X5$.
Write event to memory
buffer
24 27
E X3%, X3^, X3&,
X3*, X3( E}
W X3%, X3^, X3&, X3*,
X3( E|
Ewr
X3%, X3( ] Write event X3% to buffer X3^, offset
by
X3&. Include data X3( , size X3*.
Read string from event buffer
memory
27
E X3%, X3^, X3&, X4$
FE}
W X3%, X3^, X3&, X4$
FE|
{string} ] Read string from eventX3%, buffer
X3^, offset by X3&,X4$ bytes.
Write string to event buffer
memory
24 27
E X3(,X3%,X3^,X3&
FE}
W X3(, X3%, X3^,
X3&FE|
Ewr X3%, X3(] Write data string X3( from eventX3%,
buffer
X3^, offset byX3&.
Start events
24 27
E1AE}
W1AE|
Ego
]
Initiate all programmed events.
N
X1! = Version number (listed to 2 decimal places)
X3% = Event number range: 0 - 99
X3^ = Event buffer: 0 = receive, 1 = unified, 2 = data, 3 = NVRAM
X3& = Event buffer offset (range: 0 to MaxBufferSize)
X3* = Event data size b = bit, B = byte (8 bits), S = short (16 bits), L = long (32 bits) N This parameter is case sensitive.
X3(= Event data to write
X4$ = Number of bytes to read (range = 1-24 max)
X5$ = ASCII digit(s) representing the numeric value of the data element read from the event buffer (leading zeros are suppressed)