Initial commit: CODESYS tree, integration docs, Node-RED scripts.

PLC application sources (NVL, rooms, boiler), HA/Node-RED integration guide, and NVL patch utilities.

Co-authored-by: Cursor <cursoragent@cursor.com>

codesys-tree/Device/Plc Logic/Application/3.Function Blocks/fb_toogleButton.st

@@ -0,0 +1,25 @@
+(* === DECLARATION === *)
+FUNCTION_BLOCK fb_toogleButton
+VAR_INPUT
+	
+Input		:BOOL;
+END_VAR
+VAR_OUTPUT
+Output			:BOOL;
+	
+END_VAR
+VAR
+	Switch: BOOL;
+	Light: BOOL;
+	Flag1: BOOL;
+	Flag2: BOOL;
+	RT: R_TRIG;
+	Pulse: TP;
+	CTU_0: CTU;
+	CTD_0: CTD;
+	CTU_1: CTU;
+	CTU_2: CTU;
+	TOF_0: TOF;
+END_VAR
+
+(* === IMPLEMENTATION === *)