From 83cebe9f7ca48b89d9f8b43c56a28b7f3a508215 Mon Sep 17 00:00:00 2001
From: Valentin Manea <valy@mrs.ro>
Date: Sun, 19 Feb 2017 20:10:32 +0200
Subject: [PATCH] Add support for ClassOhlson Nexa remotes

Extend the possible number of changes to 133 and allow a slightly longer
syncronization sequence
---
 RCSwitch.cpp | 16 +++++++++-------
 RCSwitch.h   |  3 ++-
 2 files changed, 11 insertions(+), 8 deletions(-)

diff --git a/RCSwitch.cpp b/RCSwitch.cpp
index 6389dbb..e1310e5 100644
--- a/RCSwitch.cpp
+++ b/RCSwitch.cpp
@@ -73,12 +73,13 @@ static const RCSwitch::Protocol proto[] = {
 #else
 static const RCSwitch::Protocol PROGMEM proto[] = {
 #endif
-  { 350, {  1, 31 }, {  1,  3 }, {  3,  1 }, false },    // protocol 1
-  { 650, {  1, 10 }, {  1,  2 }, {  2,  1 }, false },    // protocol 2
-  { 100, { 30, 71 }, {  4, 11 }, {  9,  6 }, false },    // protocol 3
-  { 380, {  1,  6 }, {  1,  3 }, {  3,  1 }, false },    // protocol 4
-  { 500, {  6, 14 }, {  1,  2 }, {  2,  1 }, false },    // protocol 5
-  { 450, { 23,  1 }, {  1,  2 }, {  2,  1 }, true }      // protocol 6 (HT6P20B)
+  { 350, {  1, 31 }, {  1,  3 }, {  3,  1 }, false, 0 },    // protocol 1
+  { 650, {  1, 10 }, {  1,  2 }, {  2,  1 }, false, 0 },    // protocol 2
+  { 100, { 30, 71 }, {  4, 11 }, {  9,  6 }, false, 0 },    // protocol 3
+  { 380, {  1,  6 }, {  1,  3 }, {  3,  1 }, false, 0 },    // protocol 4
+  { 500, {  6, 14 }, {  1,  2 }, {  2,  1 }, false, 0 },    // protocol 5
+  { 450, { 23,  1 }, {  1,  2 }, {  2,  1 }, true,  0 },    // protocol 6 (HT6P20B)
+  { 220, {  1, 46 }, {  1,  6 }, {  1,  1 }, false, 2 }     // protocol 7 (NEXA)
 };
 
 enum {
@@ -625,7 +626,8 @@ bool RECEIVE_ATTR RCSwitch::receiveProtocol(const int p, unsigned int changeCoun
      *
      * The 2nd saved duration starts the data
      */
-    const unsigned int firstDataTiming = (pro.invertedSignal) ? (2) : (1);
+    const unsigned int firstDataTiming = (pro.invertedSignal) ? (2) : (1)
+                                         + pro.skipPulses;
 
     for (unsigned int i = firstDataTiming; i < changeCount - 1; i += 2) {
         code <<= 1;
diff --git a/RCSwitch.h b/RCSwitch.h
index 27e44ec..523f45a 100644
--- a/RCSwitch.h
+++ b/RCSwitch.h
@@ -58,7 +58,7 @@
 
 // Number of maximum High/Low changes per packet.
 // We can handle up to (unsigned long) => 32 bit * 2 H/L changes per bit + 2 for sync
-#define RCSWITCH_MAX_CHANGES 67
+#define RCSWITCH_MAX_CHANGES 133
 
 class RCSwitch {
 
@@ -114,6 +114,7 @@ class RCSwitch {
         HighLow one;
         /** @brief if true inverts the high and low logic levels in the HighLow structs */
         bool invertedSignal;
+        int skipPulses;
     };
 
     void setProtocol(Protocol protocol);