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Update avl_time_state authored by Guido Voigt's avatar Guido Voigt
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avl_time_state.md
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```mermaid ```mermaid
sequenceDiagram sequenceDiagram
participant "Device Time" as SystemTime
participant "Device Time" as SystemTime participant "Last saved Time" as LastValidPosition
participant "Last saved Time" as LastValidPosition participant "RTC time if RTC available" as RTC
participant "RTC time if RTC available" as RTC participant "GNSS aka GPS time" as GNSS
participant "GNSS aka GPS time" as GNSS participant "User time" as UserTime
participant "User time" as UserTime autonumber
SystemTime <- LastValidPosition : load last valid time and timestamp not older then build date
autonumber SystemTime <- RTC : load RTC time if time valid flag and timestamp not older then build date
SystemTime <- LastValidPosition : load last valid time and timestamp not older then build date ... any time ...
SystemTime <- RTC : load RTC time if time valid flag and timestamp not older then build date SystemTime <- GNSS : load GNSS time if time and date valid and timestamp not older then build date
... any time ... RTC <- GNSS : set RTC time if time and date valid and timestamp not older then build date
SystemTime <- GNSS : load GNSS time if time and date valid and timestamp not older then build date ... any time ...
RTC <- GNSS : set RTC time if time and date valid and timestamp not older then build date SystemTime <- UserTime : set Time via $PFAL,Sys.SetTime,dd.mm.yy,hh:mm:ss
... any time ... RTC <- UserTime : set Time via $PFAL,Sys.SetTime,dd.mm.yy,hh:mm:ss
SystemTime <- UserTime : set Time via $PFAL,Sys.SetTime,dd.mm.yy,hh:mm:ss ... any time ...
RTC <- UserTime : set Time via $PFAL,Sys.SetTime,dd.mm.yy,hh:mm:ss SystemTime -> LastValidPosition : save last Valid pos and time $PFAL,GPS.Nav.SaveLastValid
... any time ...
SystemTime -> LastValidPosition : save last Valid pos and time $PFAL,GPS.Nav.SaveLastValid
``` ```
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