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Fix #2133, Grammatical/format updates to EVS flooding requirements #2134

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Aug 10, 2022
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Fix #2133, Grammatical/format updates to EVS flooding requirements #2134

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10 changes: 5 additions & 5 deletions docs/cFE_FunctionalRequirements.csv
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Expand Up @@ -300,11 +300,11 @@ EVS: Preserve Event Log Reset Mode On Processor Reset,cEVS3207,"Upon a Processor
EVS: Preserve Log Full State On Processor Reset,cEVS3208,"Upon a Processor Reset, the cFE shall preserve the Local Event Log Full state.",Retain the cFE state across Processor Resets.
EVS: Preserve Log Overflow Counter On Processor Reset,cEVS3210,"Upon a Processor Reset, the cFE shall preserve the Local Event Log Overflow Counter.",Retain the cFE state across Processor Resets.
EVS: Suppress Flooding Event Messages,cEVS3220,The cFE shall suppress event messages from an application that exceed a pre-defined rate.,Event message flooding may exhaust critical resources required on the spacecraft
EVS: Suppress Flooding Event Messages - Allow short bursts,cEVS3220.1,The cFE shall allow limited bursts of event messages from an application exceeding the suppress threshold rate. ,"Startup or other events may cause a brief burst of events that exceed the nominal rate, but should still be captured."
EVS: Suppress Flooding Event Messages - Resume events when not flooding,cEVS3220.2,The cFE shall automatically resume processing event messages from an application which is no longer flooding,"Flooding may be a transient condition, and resuming nominal operations when this condition goes away would allow continued delivery of useful diagnostic data. This also eases implementation. "
EVS: Suppress Flooding Event Messages - Increment counter,cEVS3220.3,The cFE shall increment the squelched counter for a flooding app when events for that app have been suppressed.,A counter provides a means for keeping track of how many events have been suppressed
EVS: Suppress Flooding Event Messages - Retain Maximum Value,cEVS3220.4,If the squelched event counters have reached their maximum value of (2^8)-1 the cFE shall retain the maximum value (i.e. do not rollover to zero).,Preventing a counter rollover to zero eliminates the case when a user may think no events have occurred when in fact many events have occurred.
EVS: Suppress Flooding Event Messages - Retain Maximum Value,cEVS3220.5,"The cFE shall issue an event message when an application transitions to the squelched state, containing the name of the offending application.","An event message provides an obvious useful diagnostic when event suppression occurs, which is an anomaly which should be dealt with."
EVS: Suppress Flooding Event Messages - Allow short bursts,cEVS3220.1,The cFE shall allow limited bursts of event messages from an application exceeding the suppress threshold rate.,"Startup or other events may cause a brief burst of events that exceed the nominal rate, but should still be captured."
EVS: Suppress Flooding Event Messages - Resume events when not flooding,cEVS3220.2,The cFE shall automatically resume processing event messages from an application which is no longer flooding.,"Flooding may be a transient condition, and resuming nominal operations when this condition goes away would allow continued delivery of useful diagnostic data. This also eases implementation."
EVS: Suppress Flooding Event Messages - Increment counter,cEVS3220.3,The cFE shall increment the squelched counter for a flooding app when events for that app have been suppressed.,A counter provides a means for keeping track of how many events have been suppressed. Note this counter is included in the application information telemetry packet.
EVS: Suppress Flooding Event Messages - Retain Maximum Value,cEVS3220.4,"If the squelched event counters have reached their maximum value of (2^8)-1 the cFE shall retain the maximum value (i.e. do not rollover to zero).",Preventing a counter rollover to zero eliminates the case when a user may think no events have occurred when in fact many events have occurred.
EVS: Suppress Flooding Event Messages - Event Message,cEVS3220.5,"The cFE shall issue an event message when an application transitions to the squelched state, containing the name of the offending application.","An event message provides an obvious useful diagnostic when event suppression occurs, which is an anomaly which should be dealt with."
SB: NOOP Event,cSB4000,"Upon receipt of a Command, the cFE shall generate a NO-OP event message.",This command is useful as a general sub-system aliveness test.
SB: Zero Counters,cSB4001,"Upon receipt of Command the cFE shall set to zero the following counters in housekeeping telemetry:

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