@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

    SW -> UI: ACT: Display Alarm Dialog \
                    \n\t - End Treatment Button visible

    UI -> US: ACT: Display Alarm Dialog \
                    \n\t - End Treatment Button visible
    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: [xBA: #3] \nTD Confirmation :                                \
                        \n\t(U32)  mId      = END_TREATMENT(6)                  \
                        \n\t(U32)  mCommand = GENERIC_CONFIRM_CMD_REQUEST_OPEN  \
                        \n\t(U32)  mReason

    alt CONFIRM
        US -> SW: MSG: [xBB: #2] \nEnd Treatment            \
                        \n\t(U32) mId                       \
                        \n\t(U32) mConfirm = 1
        SW -> TD: MSG: [xBB: #2] \nEnd Treatment            \
                        \n\t(U32) mId                       \
                        \n\t(U32) mConfirm = 1
        TD -> TD: End the treatment
    else CANCEL
        US -> SW: MSG: [xBB: #2] \nEnd Treatment            \
                        \n\t(U32) mId                       \
                        \n\t(U32) mConfirm = 0
        SW -> TD: MSG: [xBB: #2] \nEnd Treatment            \
                        \n\t(U32) mId                       \
                        \n\t(U32) mConfirm = 0
        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
@enduml