@startuml MainTreatmentScreen

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

    'Possible actions and interaction tuypes
    ' 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.]

    == Tx Time ==
    TD -> SW: MSG: [x3B: #3] \nTD treatment time data
    SW -> UI: CMD: Update TX time
    == Tx Parameter set points ==
    TD -> SW: MSG: [x4F: #3] \nTD treatment set points data
    SW -> UI: CMD: Update:\nBlood Flow\nDialysate Flow\nDialysate Temp
    == Saline ==
    TD -> SW: MSG: [x3D: #4] \nTD saline bolus status data
    SW -> UI: CMD: Update Saline status
    == Ultrafiltration ==
    TD -> SW: MSG: [x3E: #4] \nTD ultrafiltration status data
    SW -> UI: CMD: Update UF Status
    == Pressures ==
    TD -> SW: MSG: [x24: #12] \nTD pressures data
    SW -> UI: CMD: Update TX Pressres
    == Dialysate Conductivity ==
    TD -> SW: MSG: [x1F: #5] \nDD conductivity data
    SW -> UI: CMD: Update Dial Conductivity
    == Gen Dialysate Mode ==
    TD -> SW: MSG: [x2F: #9] \nDD GenD mode data
    SW -> UI: CMD: Update Dial Bypass State


@enduml