From b3a44f0c48e8a0c2ac1be94efc21b6628aa4f654 Mon Sep 17 00:00:00 2001
From: Kuba Kleczkowski <jakub.kleczkowski@mudita.com>
Date: Fri, 2 Apr 2021 12:50:19 +0200
Subject: [PATCH] [EGD-6422] Add cellular phone mode documentation

Add breif documentation of handling phone modes
is service cellular.
---
 .../service-cellular/doc/README.md            | 23 ++++++
 .../service-cellular/doc/phone_modes.puml     | 65 ++++++++++++++++
 .../service-cellular/doc/phone_modes.svg      | 75 +++++++++++++++++++
 3 files changed, 163 insertions(+)
 create mode 100644 module-services/service-cellular/doc/phone_modes.puml
 create mode 100644 module-services/service-cellular/doc/phone_modes.svg

diff --git a/module-services/service-cellular/doc/README.md b/module-services/service-cellular/doc/README.md
index 13ff477c21e5f79a4987bd5dcd0060709d78078f..3bce28d305e0390a353ea7743ba260f887abb06b 100644
--- a/module-services/service-cellular/doc/README.md
+++ b/module-services/service-cellular/doc/README.md
@@ -49,3 +49,26 @@ GSM Module Enables Host to Exit from Power Saving Mode
 * CPU sentinel block frequency decreasing below 132 MHz
 * The wake-up described in the point above takes place
 
+## Phone modes in cellular
+
+Conditions for cellular to switch the phone mode
+* Phone mode changes on event provided by 'phoneModeObserver'
+
+Connected mode
+* no actions are needed to meet the Connected mode criteria, calls and messages are allowed
+
+Do not Disturb
+* incoming calls are rejected 
+* outgoing calls, incoming and outgoing messages are allowed
+
+Offline mode
+* modem is disconnected from the GSM network, both calls and messages are rejected
+
+| | Connected | Do not Disturb | Offline |
+| ----------- | --------- | -------------- | ------- |
+|Incoming calls| Allowed | Rejected | Not allowed |
+|Outgoing calls| Allowed | Allowed | Not allowed |
+|Incoming messages| Allowed | Allowed | Not allowed |
+|Outgoing messages| Allowed | Allowed | Not allowed |
+
+![](phone_modes.svg)
\ No newline at end of file
diff --git a/module-services/service-cellular/doc/phone_modes.puml b/module-services/service-cellular/doc/phone_modes.puml
new file mode 100644
index 0000000000000000000000000000000000000000..3fdda7ecc95554cd420255fecd978881e2656aed
--- /dev/null
+++ b/module-services/service-cellular/doc/phone_modes.puml
@@ -0,0 +1,65 @@
+@startuml
+
+participant "Incoming call URC" as urc
+participant "Call request" as call
+participant "Messages DB" as message
+participant "Service cellular" as cellular
+participant "Service cellular notification " as notification
+
+== Connected mode ==
+
+    activate urc
+    activate cellular
+    urc -> cellular : Ring urc / Clip urc
+    cellular -> cellular : identifyNotification
+    cellular -> cellular : CellularRingNotification | CellularCallerIdNotification
+    cellular -> notification :CellularCallerIdMessage | CellularIncominCallMessage
+
+    urc -> cellular : Cmti urc
+    cellular -> cellular : identifyNotification
+    cellular -> cellular : receiveSms
+    cellular -> message : add record
+    deactivate urc
+
+    activate message
+    message -> cellular : new queeued
+    cellular -> cellular : CellularSendSMSMessage
+    cellular -> message : update record
+    deactivate message
+
+    activate call
+    call -> cellular : CellularCallRequestMessage
+    cellular -> cellular : handleCellularCallRequestMessage
+    cellular -> notification : CellularRingingMessage
+    deactivate call
+
+
+== Do not Disturb mode ==
+
+    activate urc
+
+    urc -> cellular : Ring urc / Clip urc
+    cellular -> cellular : identifyNotification
+    cellular -> cellular : CellularRingNotification | CellularCallerIdNotification
+    cellular -> cellular : hangUpCall
+
+    urc -> cellular : Cmti urc
+    cellular -> cellular : identifyNotification
+    cellular -> cellular : receiveSms
+    cellular -> message : add record
+    deactivate urc
+
+    activate message
+    message -> cellular : new queeued
+    cellular -> cellular : CellularSendSMSMessage
+    cellular -> message : update record
+    deactivate message
+
+    activate call
+    call -> cellular : CellularCallRequestMessage
+    cellular -> cellular : handleCellularCallRequestMessage
+    cellular -> notification : CellularRingingMessage
+    deactivate call
+    deactivate cellular
+
+@enduml
diff --git a/module-services/service-cellular/doc/phone_modes.svg b/module-services/service-cellular/doc/phone_modes.svg
new file mode 100644
index 0000000000000000000000000000000000000000..989fd738e34a5a5a85eba092db2da8a36aceca04
--- /dev/null
+++ b/module-services/service-cellular/doc/phone_modes.svg
@@ -0,0 +1,75 @@
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+@startuml
+
+participant "Incoming call URC" as urc
+participant "Call request" as call
+participant "Messages DB" as message
+participant "Service cellular" as cellular
+participant "Service cellular notification " as notification
+
+== Connected mode ==
+
+    activate urc
+    activate cellular
+    urc -> cellular : Ring urc / Clip urc
+    cellular -> cellular : identifyNotification
+    cellular -> cellular : CellularRingNotification | CellularCallerIdNotification
+    cellular -> notification :CellularCallerIdMessage | CellularIncominCallMessage
+
+    urc -> cellular : Cmti urc
+    cellular -> cellular : identifyNotification
+    cellular -> cellular : receiveSms
+    cellular -> message : add record
+    deactivate urc
+
+    activate message
+    message -> cellular : new queeued
+    cellular -> cellular : CellularSendSMSMessage
+    cellular -> message : update record
+    deactivate message
+
+    activate call
+    call -> cellular : CellularCallRequestMessage
+    cellular -> cellular : handleCellularCallRequestMessage
+    cellular -> notification : CellularRingingMessage
+    deactivate call
+
+
+== Do not Disturb mode ==
+
+    activate urc
+
+    urc -> cellular : Ring urc / Clip urc
+    cellular -> cellular : identifyNotification
+    cellular -> cellular : CellularRingNotification | CellularCallerIdNotification
+    cellular -> cellular : hangUpCall
+
+    urc -> cellular : Cmti urc
+    cellular -> cellular : identifyNotification
+    cellular -> cellular : receiveSms
+    cellular -> message : add record
+    deactivate urc
+
+    activate message
+    message -> cellular : new queeued
+    cellular -> cellular : CellularSendSMSMessage
+    cellular -> message : update record
+    deactivate message
+
+    activate call
+    call -> cellular : CellularCallRequestMessage
+    cellular -> cellular : handleCellularCallRequestMessage
+    cellular -> notification : CellularRingingMessage
+    deactivate call
+    deactivate cellular
+
+@enduml
+
+PlantUML version 1.2021.2(Sun Mar 07 12:10:27 CET 2021)
+(GPL source distribution)
+Java Runtime: OpenJDK Runtime Environment
+JVM: OpenJDK 64-Bit Server VM
+Default Encoding: UTF-8
+Language: pl
+Country: PL
+--></g></svg>
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