@startuml
Title CMUX Mode

state CellularBSP {
  UartIrq: Reads data with DMA to static buffer
  UartIrq: and packs them into struct with result code.
  UartIrq --> SendToWorker
  SendToWorker: Puts structured data into workers MessageBuffer.
  SendToWorker --> output

  state output <<exitPoint>>
}

state CellularWorker{
  state DMAMessageBuffer <<expansionInput>> 

  DMAMessageBuffer --> ATParser
  ATParser: Parses URC packages.
  ATParser --> CmdAwaitingResponse
  
  state CmdAwaitingResponse <<choice>>
  CmdAwaitingResponse ----> workerOutput : True
  CmdAwaitingResponse --> callback : False

  state workerOutput <<exitPoint>>
}

state Notifications {
  state input1 <<expansionInput>>
  
  input1 --> ATStream1 
  
  ATStream1 --> output1

  state output1 <<exitPoint>>
}

state Commands {
  state input2 <<expansionInput>>
  
  input2 --> ATStream2 
  
  ATStream2 --> output2

  state output2 <<exitPoint>>
}

state Data {
  state input3 <<expansionInput>>
  
  input3 --> ATStream3 

  ATStream3 --> output3

  state output3 <<exitPoint>>
}

state channelsFork <<fork>>
state channelsJoin <<join>>

output --> DMAMessageBuffer : Result{data,resultCode}
workerOutput --> channelsFork
channelsFork --> input1
channelsFork --> input2
channelsFork --> input3
output1 --> channelsJoin
output2 --> channelsJoin
output3 --> channelsJoin
channelsJoin --> ServiceCellular : Result{parsedData,resultCode}
@enduml