@startuml Blood Prime

    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 -> TD: MSG: Message
    ' SW -> UI: CMD: command
    ' UI -> SW: 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.]

    == Blood Prime Progess ==
    TD -> SW: MSG: [x97 Dat #2] Blood Prime Progress\
        \n\t(F32) targetVol\
        \n\t(F32) deliveredVol
    SW -> UI: CMD: Blood Prime Progress Data
    UI -> US: ACT: Display Blood Prime Progress

    == Blood Prime Command Request/Response ==
    US -> UI: TCH: Blood Prime Screen Interation
    UI -> SW: ACT: Blood Prime Command
    SW -> TD: MSG: [x98: Req #1] Blood Prime Command Request\n\
        \t(U32) cmd=\n\
        \t\t[ DECREASE_RATE |\n\
        \t\tINCREASE_RATE |\n\
        \t\tPAUSE ]
    alt accepted
        TD -> SW: MSG: [x99: Rsp #2] Blood Prime Command Response\n\
            \t(BOOL) accepted=1\n\
            \t(U32)  rejReason=X
        SW -> UI: CMD: Blood Prime Command Adjustment Triggered
        UI -> US: ACT: Update Blood Prime Screen
    else #Pink rejected
        TD -> SW: MSG: [x99: Rsp #2] Blood Prime Command Response\n\
            \t(BOOL) accepted=0\n\
            \t(U32)  rejReason
        SW -> UI: CMD: Blood Prime Command Adjustment Triggered
        UI -> US: ACT: Display Rejection Reason
    end

    == Fluid Bolus Infusion ==
    note over UI
    See Fluid Bolus Infusion diagram for details
    end note

    == Pressures Display ==
    note over UI
    See Main Treatment Screen diagram for details
    end note
@enduml