From 0221fc7eed7237dd8c44343429c53197bebc7439 Mon Sep 17 00:00:00 2001
From: csowada <csowada@users.noreply.github.com>
Date: Mon, 20 Mar 2023 20:14:36 +0100
Subject: [PATCH] Remove escaping (AA and A9) master data and CRC

---
 CHANGELOG.md                                           |  4 ++++
 .../java/de/csdev/ebus/command/EBusCommandUtils.java   | 10 ++++++++--
 2 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index db463fb..5f7a475 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,10 @@ All notable changes to this project will be documented in this file.
 
 ## Unreleased 
 
+## [1.1.9] - 2023-03-20
+### Fixed
+- Remove escaping (0xAA and 0xA) master data bytes and master CRC on function ``EBusCommandUtils.buildPartMasterTelegram``
+
 ## [1.1.8] - 2021-12-29
 ### Changed
 - Update project dependencies
diff --git a/src/main/java/de/csdev/ebus/command/EBusCommandUtils.java b/src/main/java/de/csdev/ebus/command/EBusCommandUtils.java
index b7a7e88..aef0307 100644
--- a/src/main/java/de/csdev/ebus/command/EBusCommandUtils.java
+++ b/src/main/java/de/csdev/ebus/command/EBusCommandUtils.java
@@ -204,13 +204,19 @@ public static byte unescapeSymbol(byte reversedByte) {
 
         // add the escaped bytes
         for (byte b : masterData) {
-            buf.put(escapeSymbol(b));
+            // disable escaping the special characters as vaillant and wolf
+            // generates AA and A9 bytes!
+            // buf.put(escapeSymbol(b));
+            buf.put(b);
         }
 
         // calculate crc
         byte crc8 = EBusUtils.crc8(buf.array(), buf.position());
 
-        buf.put(escapeSymbol(crc8));
+        // disable escaping the special characters as vaillant and wolf
+        // generates AA and A9 bytes!
+        // buf.put(escapeSymbol(b));
+        buf.put(crc8);
 
         // set limit and reset position
         buf.limit(buf.position());