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Response Format
76 Planar UltraRes User Manual
Response Format
Responses sent from the follower to the initiator shall have the following format:
(u;www:x=z) [CR]
Where:
• ‘(‘ and ‘)’ indicate the start and end of the command data. If these characters are
present, the CLI processor shall assume that “valid” CLI data is present in the
command string. If these characters are not present in the command, the CLI
processor shall assume the data is not valid CLI data and ignore it.
• “u;” indicates the response code. This is only used by followers responding to a
valid CLI command received. For any response code other than 0, the follower
shall echo back the command received rather than filling in the fields listed
below. The following response codes can be used:
• 0 = Command successfully processed
• 1 = Unknown command code
• 2 = Invalid operator
• 3 = Destination parameter not supported
• 4 = Setting not available
• 5 = Setting value not available
• 6 = Setting value not supported
• 7 = String too long
• 8 = Command not supported in standby mode
• 9 = Invalid parameter
• 10 = Error processing command
• 11 = Password not entered
• “www” indicates the command code sent by the follower. This field is case
insensitive (i.e. “PWR”, “pwr” and “PwR” should all be treated as “PWR”).
• “:x” is the destination parameter. This is an optional parameter that indicates
which memory the response is referencing. This parameter is reserved and shall
not be used at this time.
• “z” is the new value (for set/increment/decrement commands) or the current
value (for get commands) for this parameter. It can have one of two formats:
• Integer value: Any positive or negative number (example: 100)
• String value: Any string surrounded by double quotes (example: “This is a
string”)
• “[CR]” is the ASCII carriage return key (0x0D).