Kramer VM-2UHD - Page 16

VM-2UHD – Protocol 3000
13
7.1.1.2 Command String
Formal syntax with commands concatenation and addressing:
Start
Address
Body
Delimiter
#
Destination_id@
Command_1
Parameter1_1,Parameter1_2,…|
Command_2
Parameter2_1,Parameter2_2,…|
Command_3
Parameter3_1,Parameter3_2,…|
CR
7.1.2 Device Message Format
Start
Address (opt)
Body
Delimiter
~
Sender_id@
Message
CR LF
7.1.2.1 Device Long Response
Echoing command:
Start
Address (opt)
Body
Delimiter
~
Sender_id@
Command SP [Param1,Param2 …] result
CR LF
CR = Carriage return (ASCII 13 = 0x0D)
LF = Line feed (ASCII 10 = 0x0A)
SP = Space (ASCII 32 = 0x20)
7.1.3 Command Terms
Command
A sequence of ASCII letters ('A'-'Z', 'a'-'z' and '-').
Command and parameters must be separated by at least one space.
Parameters
A sequence of alphameric ASCII characters ('0'-'9','A'-'Z','a'-'z' and some
special characters for specific commands). Parameters are separated by
commas.
Message string
Every command entered as part of a message string begins with a message
starting character and ends with a message closing character.
Note: A string can contain more than one command. Multiple commands are
separated by a pipe ('|') character.