Kramer VP-4x8AK, User Manual

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Kramer Protocol
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14.2.1 Protocol 3000 Syntax
Host message format:
Start Address (optional) Body Delimiter
# Destination_id@ message
CR
Simple command (commands string with only one command without
addressing):
start body delimiter
# Command SP Parameter_1,Parameter_2,…
CR
Commands string (formal syntax with commands concatenation and
addressing):
# Address@ Command_1 Parameter1_1 , Parameter1_2 ,… |Command_ 2
Parameter2_1 , Parameter2_2, … |Command_3
Parameter3_1 , Parameter3_2 ,… |… CR
Device message format:
Start Address (optional) Body Delimiter
~ Sender_id@ message CR LF
Device long response ( Echoing command ):
Start Address (optional) 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)
14.2.2 Command Parts Details
Command:
Sequence of ASCII letters ('A'-'Z', 'a'-'z' and '-').
Command will separate from parameters with at least single space.
Parameters:
Sequence of Alfa-Numeric ASCII chars ('0'-'9','A'-'Z','a'-'z' and some special chars for specific commands), parameters will be
separated by commas.
Message string:
Every command must to be entered as part of message string that begin with
message starting char and end with message
closing char , note that string can contain more then one command separated by pipe ("|") char.
Message starting char:
'#' for host command\query.
'~' for machine response.
Device address (Optional, for Knet):
Knet Device ID follow by '@' char.
Query sign = '?', will follow after some commands to define query request.