Gaia
GAIA.ASU.SP.ESM.00007
Issue 2.00
Page 59 of 79
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GAIA.ASU.SP.ESM.00007 (Avionics SCOE Req Iss 2).doc
3.9.4 Command and Control Interface
AVI-1972/CREATED/R
The Command and Control Interface (C&C) shall provide the interface between the Avionics SCOE
(Application Software) and the CCS.
AVI-1973/CREATED/
The C&C shall accept, decode and execute commands from the following sources:
Avionics SCOE MMI
CCS (Command Line)
CCS (Test Sequence)
AVI-1981/CREATED/T
The C&C data exchange with the CCS shall utilize the message protocols defined in [AD01] Section
3.7.
AVI-1985/CREATED/T
The C&C shall generate Messages to the Event Log File detailing all commands received, decoded
and executed.
AVI-1986/CREATED/T
All commands received which cannot be decoded (i.e. containing syntax errors, unrecognized or out
of sequence commands) shall generate a Warning Message to the Event Log File (see Section
3.9.3).
AVI-1987/CREATED/T
Loss of the interface to the CCS shall not corrupt the current monitoring Session.
AVI-1988/CREATED/T
If lost, the Avionics SCOE shall re-establish the C&C interface automatically using the standard
client/server protocols defined in [AD01] Section 3.2.
3.9.4.1 C&C Command Interpreter
AVI-1990/CREATED/T
The C&C shall provide a command structure and interpreter to provide the following features:
Avionics SCOE Session control:
• Start a Session with current parameter settings (if issued from a CCS Test Sequence, the
Sequence name shall be defined by the user)
• Stop the current Session (close out log files)
• Reset the Avionics SCOE (reload default parameter values)
Spacecraft Interface Parameter control:
• Set any Parameter
• Read any Parameter
• Define data logging for any Parameter
AVI-2010/CREATED/T
It shall be possible to set any Spacecraft Interface Parameter for adaptation purposes and fault
injection.
AVI-2020/CREATED/T
It shall be possible to set any Spacecraft Interface Parameter while a Session is running.
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