From e8dd0b0fab23bcb7128be0d2093cbe946757683b Mon Sep 17 00:00:00 2001
From: Mathew <mat999@gmail.com>
Date: Tue, 19 Sep 2023 14:43:49 +1000
Subject: [PATCH] fix seq num starting point

---
 lib/Af.js | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/lib/Af.js b/lib/Af.js
index f891982..2947411 100644
--- a/lib/Af.js
+++ b/lib/Af.js
@@ -13,7 +13,6 @@ const EventEmitter = require('eventemitter2'),
 var zcl = require('./Packet'),
     zutils = CcZnp.utils,
     ZSC = CcZnp.constants,
-    seqNumber = 0,
     debug = Debug("zstack-af"),
     zclDebug = Debug("zstack-af:ZCL");
 
@@ -67,12 +66,10 @@ class Af extends EventEmitter {
     }
 
     nextZclSeqNum() {
-        seqNumber ++; // seqNumber is a private var on the top of this module
-        if (seqNumber >= 253 || seqNumber < 0)
-            seqNumber = 0;
-
-        this._seq = seqNumber;
-        return seqNumber;
+        this._seq ++; // seqNumber is a private var on the top of this module
+        if (this._seq >= 253 || this._seq < 0)
+        this._seq = 0;
+        return this._seq;
     }
 
     // 4 types of message: dataConfirm, reflectError, incomingMsg, incomingMsgExt, zclIncomingMsg