co⚡e: Sparkplug™ MQTT edge

--- old
+++ new
@@ -1,4 +1,6 @@
 This FB should form the base for every Sparkplug B device.
+
+An implementation can be made after the IEC "Google Protobufs" serialisation has been written

 It bridges between the MQTT Broker and device(s), sensor(s) and IO(s)

--- old
+++ new
@@ -1,7 +1,11 @@
-This FB should form the base for every Sparkplug B device.
+This FB should form the basis for every Sparkplug B device.

-An implementation can be made after the IEC "Google Protobufs" serialisation has been written
+An implementation can be made after the IEC "Google Protobufs' ticket has been Addressed.
+
+Suggestions for a lean and mean but proper readable implementation are welcome.
+
+I'd suggest we try to follow/translate a library example provided by SparkplugB.
+
+---------------------

 It bridges between the MQTT Broker and device(s), sensor(s) and IO(s)
-
-The devices, sensors and/or IO's should register with this FB after which the data can be exposed.

--- old
+++ new
@@ -1,11 +1,21 @@
-This FB should form the basis for every Sparkplug B device.
+This FB should form the basis for every Sparkplug B Node.
+
+There can be several Sparkplug B Nodes in a network. 
+Every Sparkplug B Node can have any number of devices (0..N), but the Node itself is singular.
+It bridges between the MQTT Broker and device(s), sensor(s) and IO(s)

 An implementation can be made after the IEC "Google Protobufs' ticket has been Addressed.
-
 Suggestions for a lean and mean but proper readable implementation are welcome.
-
 I'd suggest we try to follow/translate a library example provided by SparkplugB.

----------------------
-
-It bridges between the MQTT Broker and device(s), sensor(s) and IO(s)
+~~~
+FB_EoN_Node
+    FB_Init()
+    Initialise()
+    onConnect()
+    onMessage()
+    publishBirth()
+    publishDeviceBirth()
+    publishNodeBirth()
+    SessionState()
+~~~