From e16108ea617eaac1d2497c1cb5612fa4ce309346 Mon Sep 17 00:00:00 2001
From: Michael Ingraham <34340210+meingraham@users.noreply.github.com>
Date: Wed, 2 Oct 2019 12:03:28 -0400
Subject: [PATCH] MCP230xx Alexa script

---
 Script-Cookbook.md | 68 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 68 insertions(+)

diff --git a/Script-Cookbook.md b/Script-Cookbook.md
index 21d283d8..c227e307 100644
--- a/Script-Cookbook.md
+++ b/Script-Cookbook.md
@@ -10,6 +10,7 @@
 - [Switching and Dimming By Recognizing Mains Power Frequency](#Switching-and-Dimming-By-Recognizing-Mains-Power-Frequency)
 - [Web UI](#Web-UI)
 - [Hue Emulation](#hue-emulation)
+- [Alexa Controlled MCP230xx I<sup>2</sup>C GPIO Expander](#alexa-controlled-mcp230xx-i2c-gpio-expander)
 
 [Back To Top](#top)
 
@@ -1159,3 +1160,70 @@ livingroom,E,on=pwr1,hue=hue1,sat=sat1,bri=bri1
 
 ------------------------------------------------------------------------------ 
 
+#### Alexa Controlled MCP230xx I<sup>2</sup>C GPIO Expander
+Uses Tasmota's Hue Emulation capabilities for Alexa interface
+
+>; define vars  
+**>D**  
+p:p1=0  
+p:p2=0  
+p:p3=0  
+p:p4=0  
+  
+>; init ports  
+**>B**  
+->sensor29 0,5,0  
+->sensor29 1,5,0  
+->sensor29 2,5,0  
+->sensor29 3,5,0  
+->sensor29 0,%0p1%  
+->sensor29 1,%0p2%  
+->sensor29 2,%0p3%  
+->sensor29 3,%0p4%  
+  
+>; define Alexa virtual devices  
+**>H**  
+port1,S,on=p1  
+port2,S,on=p2  
+port3,S,on=p3  
+port4,S,on=p4  
+  
+>; handle events  
+**>E**  
+print EVENT  
+>  
+>if upd[p1]>0  
+then  
+->sensor29 0,%0p1%  
+endif  
+if upd[p2]>0  
+then  
+->sensor29 1,%0p2%  
+endif  
+if upd[p3]>0  
+then  
+->sensor29 2,%0p3%  
+endif  
+if upd[p4]>0  
+then  
+->sensor29 3,%0p4%  
+endif  
+>  
+>=#pub  
+  
+>; publish routine  
+#pub  
+=>publish stat/%topic%/RESULT {"MCP23XX":{"p1":%0p1%,"p2":%0p2%,"p3":%0p3%,"p4":%0p4%}}  
+svars  
+  
+>; web interface  
+**>W**  
+bu(p1 "p1 on" "p1 off")bu(p2 "p2 on" "p2 off")bu(p3 "p3 on" "p3 off")bu(p4 "p4 on" "p4 off")  
+  
+>;json output  
+**>J**  
+;,"MCP23XX":{"p1":%0p1%,"p2":%0p2%,"p3":%0p3%,"p4":%0p4%}  
+
+[Back To Top](#top)
+
+------------------------------------------------------------------------------