[修改] 增加freeRTOS

1. 版本FreeRTOSv202212.01，命名为kernel；

kernel/FreeRTOS-Plus/Source/AWS/fleet-provisioning/docs/plantuml/fleet_provisioning_operations.pu

@@ -0,0 +1,165 @@
+@startuml
+skinparam dpi 300
+skinparam classFontSize 8
+skinparam classFontName Helvetica
+autonumber
+
+participant "User Application" as App
+participant "Fleet Provisioning Library" as FleetProv
+participant "MQTT Client" as MQTT
+participant "JSON/CBOR Library" as JSON
+
+activate App
+
+App -> MQTT : Connect to AWS IoT broker with claim credentials
+
+activate MQTT
+MQTT -> App : Connected
+deactivate MQTT
+
+opt If using CreateCertificateFromCsr
+    App -> App : Securely generate keys and corresponding CSR
+
+    App -> JSON : Generate CreateCertificateFromCsr request payload
+
+    activate JSON
+    JSON -> App : Request payload
+    deactivate JSON
+
+    App -> FleetProv : Get Accepted and Rejected Topic Strings\n for CreateCertificateFromCsr
+
+    activate FleetProv
+    FleetProv -> App : Accepted and Rejected Topic Strings
+    deactivate FleetProv
+
+    App -> MQTT : Subscribe to CreateCertificateFromCsr Accepted and Rejected Topics
+
+    activate MQTT
+    MQTT -> App : Subscription Successful
+    deactivate MQTT
+
+    App -> FleetProv : Get CreateCertificateFromCsr Publish Topic String
+
+    activate FleetProv
+    FleetProv -> App : Publish Topic String
+    deactivate FleetProv
+
+    App -> MQTT : Publish Request
+
+    activate MQTT
+    MQTT -> App : Published
+    MQTT -> App : Incoming Publish Message Received
+    deactivate MQTT
+
+    App -> FleetProv : Is this a Fleet Provisioning CreateCertificateFromCsr\naccepted Message?
+
+    activate FleetProv
+    FleetProv -> App : Yes
+    deactivate FleetProv
+
+    App -> JSON : Parse response payload
+
+    activate JSON
+    JSON -> App : Certificate, certificate id, certificate ownership token
+    deactivate JSON
+
+    App -> App : Securely store certificate
+
+else If using CreateKeysAndCertificate
+
+    App -> FleetProv : Generate Accepted and Rejected Topic Strings for RegisterThing
+
+    activate FleetProv
+    FleetProv -> App : Accepted and Rejected Topic Strings
+    deactivate FleetProv
+
+    App -> MQTT : Subscribe to CreateKeysAndCertificate Accepted and Rejected Topics
+
+    activate MQTT
+    MQTT -> App : Subscription Successful
+    deactivate MQTT
+
+    App -> FleetProv : Get CreateKeysAndCertificate Publish Topic String
+
+    activate FleetProv
+    FleetProv -> App : Publish Topic String
+    deactivate FleetProv
+
+    App -> MQTT : Publish Request
+
+    activate MQTT
+    MQTT -> App : Published
+    MQTT -> App : Incoming Publish Message Received
+    deactivate MQTT
+
+    App -> FleetProv : Is this a Fleet Provisioning CreateKeysAndCertificate\naccepted Message?
+
+    activate FleetProv
+    FleetProv -> App : Yes
+    deactivate FleetProv
+
+    App -> JSON : Parse response payload
+
+    activate JSON
+    JSON -> App : Private key, certificate, certificate id, certificate ownership token
+    deactivate JSON
+
+    App -> App : Securely store key and certificate
+
+end
+
+App -> JSON : Generate RegisterThing request payload
+
+activate JSON
+JSON -> App : Request payload
+deactivate JSON
+App -> FleetProv : Generate Accepted and Rejected Topic Strings for RegisterThing
+
+activate FleetProv
+FleetProv -> App : Accepted and Rejected Topic Strings
+deactivate FleetProv
+
+App -> MQTT : Subscribe to RegisterThing Accepted and Rejected Topics
+
+activate MQTT
+MQTT -> App : Subscription Successful
+deactivate MQTT
+
+App -> FleetProv : Get RegisterThing Publish Topic String
+
+activate FleetProv
+FleetProv -> App : Publish Topic String
+deactivate FleetProv
+
+App -> MQTT : Publish Request
+
+activate MQTT
+MQTT -> App : Published
+MQTT -> App : Incoming Publish Message Received
+deactivate MQTT
+
+App -> FleetProv : Is this a Fleet Provisioning RegisterThing accepted Message?
+
+activate FleetProv
+FleetProv -> App : Yes
+deactivate FleetProv
+
+App -> JSON : Parse response payload
+
+activate JSON
+JSON -> App : Thing name, device configuration
+deactivate JSON
+
+App -> MQTT : Disconnect from AWS IoT broker
+
+activate MQTT
+MQTT -> App : Disconnected
+deactivate MQTT
+
+App -> MQTT : Connect to AWS IoT broker with newly provisioned credentials
+
+activate MQTT
+MQTT -> App : Connected
+deactivate MQTT
+deactivate App
+@enduml