@startuml StopState

    participant TD                  as TD
    participant SW                  as SW
    participant UI                  as UI
    actor       USER                as US

    'Possible actions and interaction types
    ' TD -> SW: MSG: Message
    ' SW -> UI: CMD: command
    ' UI -> UI: ACT: Action
    ' US -> UI: User actions are:
    '   ENT: User enters a value or string
    '   TCH: User touches a button (RadioButton, CheckBox, ...)
    '   SET: User sets/slides a slider
    '   SCL: User scrolls a flipable area
    '
    'Messages conventions:
    '[x<hex message ID> <Req/Rsp/Dat>  \n  <P1>,<P..>]
    '[x<hex message ID> <Req/Rsp/Dat>  \n  <P1>,# certain amount of parameters according to the content]
    '[x<hex message ID> <Req/Rsp/Dat>  \n  <P1>,X The rest of the parameters do not matter.]


    ''''' Confirm Dialog properties for the End Treatment
    ' [6]
    ' Title   = Treatment End
    ' Message = Are you sure you want to end the treatment?
    ' Confirm = CONFIRM
    ' Cancel  = CANCEL

    ''''' Confirm Dialog commands
    ' enum Generic_Confirm_Command
    ' {
    '     GENERIC_CONFIRM_CMD_REQUEST_OPEN      = 0,    ///< Generic Confirm command to display the confirmation
    '     GENERIC_CONFIRM_CMD_TIMEOUT_CLOSE     = 1,    ///< Generic Confirm command to hide    the confirmation, due to timeout user confirmation
    '     GENERIC_CONFIRM_CMD_REJECT            = 2,    ///< Generic Confirm command to display the confirmation rejection in case the request in not valid/accepted anymore.
    '     GENERIC_CONFIRM_CMD_ACCEPT_CLOSE      = 3,    ///< Generic Confirm command to hide    the confirmation, due to accept  user confirmation.
    '     NUM_OF_GENERIC_CONFIRM_COMMAND                ///< Total number of generic confirm commands
    ' };

    ''''' Alarm User Action actions
    ' enum Alarm_User_Actions
    ' {
    '     ALARM_USER_ACTION_RESUME              = 0,    ///< User selected resume from alarm recovery options
    '     ALARM_USER_ACTION_RINSEBACK           = 1,    ///< User selected rinseback from alarm recovery options
    '     ALARM_USER_ACTION_END_TREATMENT       = 2,    ///< User selected end treatment from alarm recovery options
    '     ALARM_USER_ACTION_ACK                 = 3,    ///< User selected acknowledge (ok) from alarm recovery options
    '     NUMBER_OF_ALARM_USER_ACTIONS                  ///< Number of alarm user actions
    ' };

    == User presses Hardware Stop Button ==
    US -> TD: PRS: Hardware Stop Button

    TD -> SW: MSG: [x01: #4] \nTD AlarmStatus :                                 \
                        \n\t(U32) mState                                        \
                        \n\t(U32) mTop                                          \
                        \n\t(U32) mMuteTimeout                                  \
                        \n\t(U16) mFlags |= END_TREATMENT_BUTTON                \
                                    \n\t |= RESUME_BUTTON                       \
                                    \n\t |= TEMPROARY_BREAK_BUTTON              \
                                    \n\t |= RETURN_BLOOD_END_TREATMENT_BUTTON   
    SW -> UI: ACT: Display Alarm Dialog                     \
                    \n\t - End Treatment Button visible     \
                    \n\t - Resume Button visible            \
                    \n\t - Temporary Break Button visible   \
                    \n\t - Return Blood Button visible 
    UI -> US: ACT: Display Alarm Dialog \
                    \n\t - End Treatment Button visible\
                    \n\t - Resume Button visible            \
                    \n\t - Temporary Break Button visible   \
                    \n\t - Return Blood Button visible 

    alt   #LightSalmon  User Presses Resume
        US -> UI: TCH: Resume Button
        UI -> SW: ACT: doUserActionResume ( \
                        \n\tALARM_USER_ACTION_RESUME \
                        \n)
        SW -> TD: MSG: [x06: #1] AlarmUserAction \
                    \n\t(U32) action
        TD -> SW: ACT: Resume Treatment    
        SW -> UI: ACT: Resume Treatment
        UI -> US: ACT: Treatment resumed

    else   #LightBlue User Presses End Treatment
        US -> UI: TCH: End Treatment Button
        UI -> SW: ACT: doUserActionEnd ( \
                        \n\tALARM_USER_ACTION_END_TREATMENT \
                        \n)
        SW -> TD: MSG: [x06: #1] AlarmUserAction \
                    \n\t(U32) action

        TD -> SW: MSG: [xB5: #3] \nTD Confirmation :                                \
                        \n\t(U32)  mId      =2 (END_TREATMENT)                     \
                        \n\t(U32)  mCommand =0 (GENERIC_CONFIRM_CMD_REQUEST_OPEN)  \
                        \n\t(U32)  mReason
        SW -> UI: ACT: Open Confirm Dialog
        UI -> US: ACT: Display Confirm Dialog

        alt #LightGray CONFIRM
            US -> UI: ACT: Press confirm
            UI -> SW: ACT: Confirm Response
            SW -> TD: MSG: [xB6: #2]  Response      \
                        \n\t(U32) mId       =2 (END_TREATMENT)  \
                        \n\t(U32) mConfirm  =1 (CONFIRM)   
            TD -> TD: End the treatment
        else #LightPink CANCEL
            US -> UI: ACT: Press cancel
            UI -> SW: ACT: Cancel Response
            SW -> TD: MSG: [xB6: #2]  Response      \
                        \n\t(U32) mId       =2 (END_TREATMENT)  \
                        \n\t(U32) mConfirm  =0 (CANCEL)   
            TD -> SW: MSG: [x01: #4] \nTD AlarmStatus :         \
                            \n\t(U32) mState                    \
                            \n\t(U32) mTop = 0                  \
                            \n\t(U32) mMuteTimeout              \
                            \n\t(U16) mFlags
            SW -> UI: ACT: Hide Alarm Dialog
            UI -> US: ACT: Hide Alarm Dialog
        end
    else  #LightGreen  User Presses Return Blood
        US -> UI: TCH: Return Blood Button
        UI -> SW: ACT: doUserActionRinseback ( \
                        \n\tALARM_USER_ACTION_RINSEBACK \
                        \n)
        SW -> TD: MSG: [x06: #1] AlarmUserAction \
                    \n\t(U32) action
        TD -> SW: MSG: [xB5: #3] \nTD Confirmation :                                \
                        \n\t(U32)  mId      =3 (RETURN_BLOOD)                     \
                        \n\t(U32)  mCommand =0 (GENERIC_CONFIRM_CMD_REQUEST_OPEN)  \
                        \n\t(U32)  mReason
        SW -> UI: ACT: Open Confirm Dialog
        UI -> US: ACT: Display Confirm Dialog

        alt #LightGray CONFIRM
            US -> UI: ACT: Press confirm
            UI -> SW: ACT: Confirm Response
            SW -> TD: MSG: [xB6: #2]  Response      \
                        \n\t(U32) mId       =3 (RETURN_BLOOD)  \
                        \n\t(U32) mConfirm  =1 (CONFIRM)   
            TD -> TD: Blood Return
        else #LightPink CANCEL
            US -> UI: ACT: Press cancel
            UI -> SW: ACT: Cancel Response
            SW -> TD: MSG: [xB6: #2]  Response      \
                        \n\t(U32) mId       =3 (RETURN_BLOOD)  \
                        \n\t(U32) mConfirm  =0 (CANCEL)   
            TD -> SW: MSG: [x01: #4] \nTD AlarmStatus :         \
                            \n\t(U32) mState                    \
                            \n\t(U32) mTop = 0                  \
                            \n\t(U32) mMuteTimeout              \
                            \n\t(U16) mFlags
            SW -> UI: ACT: Hide Alarm Dialog
            UI -> US: ACT: Hide Alarm Dialog
        end
    else   #LightCyan User Presses Temporary Break
        US -> UI: TCH: Temporary Break Button
        UI -> SW: ACT: doUserActionTemporaryBreak ( \
                        \n\tALARM_USER_ACTION_TEMPOARY_BREAK \
                        \n)
        SW -> TD: MSG: [x06: #1] AlarmUserAction \
                    \n\t(U32) action
        TD -> SW: MSG: [xB5: #3] \nTD Confirmation :                                \
                        \n\t(U32)  mId      =4 (TEMPORARY_BREAK)                     \
                        \n\t(U32)  mCommand =0 (GENERIC_CONFIRM_CMD_REQUEST_OPEN)  \
                        \n\t(U32)  mReason
        SW -> UI: ACT: Open Confirm Dialog
        UI -> US: ACT: Display Confirm Dialog

        alt #LightGray CONFIRM
            US -> UI: ACT: Press confirm
            UI -> SW: ACT: Confirm Response
            SW -> TD: MSG: [xB6: #2]  Response      \
                        \n\t(U32)  mId      =4 (TEMPORARY_BREAK)                     \
                        \n\t(U32) mConfirm  =1 (CONFIRM)   
            TD -> TD: Go to Blood Return
        else #LightPink CANCEL
            US -> UI: ACT: Press cancel
            UI -> SW: ACT: Cancel Response
            SW -> TD: MSG: [xB6: #2]  Response      \
                        \n\t(U32)  mId      =4 (TEMPORARY_BREAK)                     \
                        \n\t(U32) mConfirm  =0 (CANCEL)   
            TD -> SW: MSG: [x01: #4] \nTD AlarmStatus :         \
                            \n\t(U32) mState                    \
                            \n\t(U32) mTop = 0                  \
                            \n\t(U32) mMuteTimeout              \
                            \n\t(U16) mFlags
            SW -> UI: ACT: Hide Alarm Dialog
            UI -> US: ACT: Hide Alarm Dialog
        end

    end



@enduml