Req. 5.3.3.7: "Command Execution Sequence"
Immediate (single) commands from different sources shall be capable of interleaving with other immediate (single) commands and with block commands for uploads and dumps.
Basis (help)
[4] (5.3.2)
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4: "LAT T&DF Subsystem Spec. - Level III Spec." (LAT-SS-00019)
5.3.2: "Commanding Handling"
The control system shall be able to reconfigure and direct the operation of the instrument in a combination of time sequenced operation by scripts and automatic operation by the flight software.
Context (help)
Test(s)
This test shall verify that all LAT commands are exercised through the 1553 interface, with command execution and completion status reported in telemetry when command verification features are switched on. The test shall also verify that the SIU FSW validates commands and command parameters prior to command execution. Finally, the test shall verify that the SIU executes individual commands received directly from the SC or executes preprogrammed command sequences (block commands) when triggered by a command from the SC, and can properly execute single commands and block command items in an interleaved or serial fashion, as necessary.