@startuml

skinparam BoxPadding 20

box "Host with ESP-Hosted" #LightBlue
participant Application as app
participant "Wi-Fi Remote" as remote
participant "ESP Hosted" as hostedh
participant "Host Transport" as transporth
end box

box "Slave ESP-Hosted" #LightGrey
participant "Slave Transport" as transports
participant "Slave Hosted" as hosteds
participant "ESP-IDF Wi-Fi Library" as api
participant "Wi-Fi Hardware" as wifi
end box

skinparam ArrowThickness 1

app -> remote : esp_wifi_xxx()
remote -> hostedh : esp_wifi_remote_xxx()
hostedh -> transporth

skinparam ArrowThickness 5

transporth -> transports : SPI/SDIO

skinparam ArrowThickness 1

transports -> hosteds
hosteds -> api : esp_wifi_xxx()
api -> wifi
wifi -> wifi : Wi-Fi action
wifi --> api : response
api --> hosteds : return value +\ndata (if any)
hosteds --> transports

skinparam ArrowThickness 5

transports --> transporth : SPI/SDIO

skinparam ArrowThickness 1

transporth --> hostedh
hostedh --> remote
remote --> app : return value +\ndata (if any)

@enduml