diff --git a/lib/Hoymiles/src/parser/AlarmLogParser.cpp b/lib/Hoymiles/src/parser/AlarmLogParser.cpp
index 10ed305..2a6527a 100644
--- a/lib/Hoymiles/src/parser/AlarmLogParser.cpp
+++ b/lib/Hoymiles/src/parser/AlarmLogParser.cpp
@@ -86,16 +86,9 @@ const std::array<const AlarmMessage_t, ALARM_MSG_COUNT> AlarmLogParser::_alarmMe
     { AlarmMessageType_t::ALL, 9000, "Microinverter is suspected of being stolen" },
 } };
 
-#define HOY_SEMAPHORE_TAKE() \
-    do {                     \
-    } while (xSemaphoreTake(_xSemaphore, portMAX_DELAY) != pdPASS)
-#define HOY_SEMAPHORE_GIVE() xSemaphoreGive(_xSemaphore)
-
 AlarmLogParser::AlarmLogParser()
     : Parser()
 {
-    _xSemaphore = xSemaphoreCreateMutex();
-    HOY_SEMAPHORE_GIVE(); // release before first use
     clearBuffer();
 }
 
@@ -115,16 +108,6 @@ void AlarmLogParser::appendFragment(uint8_t offset, uint8_t* payload, uint8_t le
     _alarmLogLength += len;
 }
 
-void AlarmLogParser::beginAppendFragment()
-{
-    HOY_SEMAPHORE_TAKE();
-}
-
-void AlarmLogParser::endAppendFragment()
-{
-    HOY_SEMAPHORE_GIVE();
-}
-
 uint8_t AlarmLogParser::getEntryCount()
 {
     if (_alarmLogLength < 2) {
diff --git a/lib/Hoymiles/src/parser/AlarmLogParser.h b/lib/Hoymiles/src/parser/AlarmLogParser.h
index 5c37589..a2c6b34 100644
--- a/lib/Hoymiles/src/parser/AlarmLogParser.h
+++ b/lib/Hoymiles/src/parser/AlarmLogParser.h
@@ -1,7 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 #pragma once
 #include "Parser.h"
-#include <Arduino.h>
 #include <array>
 #include <cstdint>
 
@@ -34,8 +33,6 @@ public:
     AlarmLogParser();
     void clearBuffer();
     void appendFragment(uint8_t offset, uint8_t* payload, uint8_t len);
-    void beginAppendFragment();
-    void endAppendFragment();
 
     uint8_t getEntryCount();
     void getLogEntry(uint8_t entryId, AlarmLogEntry_t* entry);
@@ -56,6 +53,4 @@ private:
     AlarmMessageType_t _messageType = AlarmMessageType_t::ALL;
 
     static const std::array<const AlarmMessage_t, ALARM_MSG_COUNT> _alarmMessages;
-
-    SemaphoreHandle_t _xSemaphore;
 };
\ No newline at end of file
diff --git a/lib/Hoymiles/src/parser/DevInfoParser.cpp b/lib/Hoymiles/src/parser/DevInfoParser.cpp
index eab3a30..978af60 100644
--- a/lib/Hoymiles/src/parser/DevInfoParser.cpp
+++ b/lib/Hoymiles/src/parser/DevInfoParser.cpp
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 /*
- * Copyright (C) 2022 Thomas Basler and others
+ * Copyright (C) 2022 - 2023 Thomas Basler and others
  */
 #include "DevInfoParser.h"
 #include "../Hoymiles.h"
@@ -46,16 +46,9 @@ const devInfo_t devInfo[] = {
     { { 0x10, 0x33, 0x31, ALL }, 2250, "HMT-2250" } // 01
 };
 
-#define HOY_SEMAPHORE_TAKE() \
-    do {                     \
-    } while (xSemaphoreTake(_xSemaphore, portMAX_DELAY) != pdPASS)
-#define HOY_SEMAPHORE_GIVE() xSemaphoreGive(_xSemaphore)
-
 DevInfoParser::DevInfoParser()
     : Parser()
 {
-    _xSemaphore = xSemaphoreCreateMutex();
-    HOY_SEMAPHORE_GIVE(); // release before first use
     clearBufferSimple();
     clearBufferAll();
 }
@@ -92,16 +85,6 @@ void DevInfoParser::appendFragmentSimple(uint8_t offset, uint8_t* payload, uint8
     _devInfoSimpleLength += len;
 }
 
-void DevInfoParser::beginAppendFragment()
-{
-    HOY_SEMAPHORE_TAKE();
-}
-
-void DevInfoParser::endAppendFragment()
-{
-    HOY_SEMAPHORE_GIVE();
-}
-
 uint32_t DevInfoParser::getLastUpdateAll()
 {
     return _lastUpdateAll;
diff --git a/lib/Hoymiles/src/parser/DevInfoParser.h b/lib/Hoymiles/src/parser/DevInfoParser.h
index b18bc8a..838ba11 100644
--- a/lib/Hoymiles/src/parser/DevInfoParser.h
+++ b/lib/Hoymiles/src/parser/DevInfoParser.h
@@ -1,7 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 #pragma once
 #include "Parser.h"
-#include <Arduino.h>
 
 #define DEV_INFO_SIZE 20
 
@@ -14,9 +13,6 @@ public:
     void clearBufferSimple();
     void appendFragmentSimple(uint8_t offset, uint8_t* payload, uint8_t len);
 
-    void beginAppendFragment();
-    void endAppendFragment();
-
     uint32_t getLastUpdateAll();
     void setLastUpdateAll(uint32_t lastUpdate);
 
@@ -47,6 +43,4 @@ private:
 
     uint8_t _payloadDevInfoSimple[DEV_INFO_SIZE] = {};
     uint8_t _devInfoSimpleLength = 0;
-
-    SemaphoreHandle_t _xSemaphore;
 };
\ No newline at end of file
diff --git a/lib/Hoymiles/src/parser/GridProfileParser.cpp b/lib/Hoymiles/src/parser/GridProfileParser.cpp
index ff69c3d..35f7689 100644
--- a/lib/Hoymiles/src/parser/GridProfileParser.cpp
+++ b/lib/Hoymiles/src/parser/GridProfileParser.cpp
@@ -1,21 +1,14 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 /*
- * Copyright (C) 2022 Thomas Basler and others
+ * Copyright (C) 2023 Thomas Basler and others
  */
 #include "GridProfileParser.h"
 #include "../Hoymiles.h"
 #include <cstring>
 
-#define HOY_SEMAPHORE_TAKE() \
-    do {                     \
-    } while (xSemaphoreTake(_xSemaphore, portMAX_DELAY) != pdPASS)
-#define HOY_SEMAPHORE_GIVE() xSemaphoreGive(_xSemaphore)
-
 GridProfileParser::GridProfileParser()
     : Parser()
 {
-    _xSemaphore = xSemaphoreCreateMutex();
-    HOY_SEMAPHORE_GIVE(); // release before first use
     clearBuffer();
 }
 
@@ -35,16 +28,6 @@ void GridProfileParser::appendFragment(uint8_t offset, uint8_t* payload, uint8_t
     _gridProfileLength += len;
 }
 
-void GridProfileParser::beginAppendFragment()
-{
-    HOY_SEMAPHORE_TAKE();
-}
-
-void GridProfileParser::endAppendFragment()
-{
-    HOY_SEMAPHORE_GIVE();
-}
-
 std::vector<uint8_t> GridProfileParser::getRawData()
 {
     std::vector<uint8_t> ret;
diff --git a/lib/Hoymiles/src/parser/GridProfileParser.h b/lib/Hoymiles/src/parser/GridProfileParser.h
index fba7066..c2af52f 100644
--- a/lib/Hoymiles/src/parser/GridProfileParser.h
+++ b/lib/Hoymiles/src/parser/GridProfileParser.h
@@ -1,7 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 #pragma once
 #include "Parser.h"
-#include <Arduino.h>
 
 #define GRID_PROFILE_SIZE 141
 
@@ -11,14 +10,9 @@ public:
     void clearBuffer();
     void appendFragment(uint8_t offset, uint8_t* payload, uint8_t len);
 
-    void beginAppendFragment();
-    void endAppendFragment();
-
     std::vector<uint8_t> getRawData();
 
 private:
     uint8_t _payloadGridProfile[GRID_PROFILE_SIZE] = {};
     uint8_t _gridProfileLength = 0;
-
-    SemaphoreHandle_t _xSemaphore;
 };
\ No newline at end of file
diff --git a/lib/Hoymiles/src/parser/Parser.cpp b/lib/Hoymiles/src/parser/Parser.cpp
index 94c694c..b8e5e0e 100644
--- a/lib/Hoymiles/src/parser/Parser.cpp
+++ b/lib/Hoymiles/src/parser/Parser.cpp
@@ -1,9 +1,15 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 /*
- * Copyright (C) 2022 Thomas Basler and others
+ * Copyright (C) 2022 - 2023 Thomas Basler and others
  */
 #include "Parser.h"
 
+Parser::Parser()
+{
+    _xSemaphore = xSemaphoreCreateMutex();
+    HOY_SEMAPHORE_GIVE(); // release before first use
+}
+
 uint32_t Parser::getLastUpdate()
 {
     return _lastUpdate;
@@ -12,4 +18,14 @@ uint32_t Parser::getLastUpdate()
 void Parser::setLastUpdate(uint32_t lastUpdate)
 {
     _lastUpdate = lastUpdate;
+}
+
+void Parser::beginAppendFragment()
+{
+    HOY_SEMAPHORE_TAKE();
+}
+
+void Parser::endAppendFragment()
+{
+    HOY_SEMAPHORE_GIVE();
 }
\ No newline at end of file
diff --git a/lib/Hoymiles/src/parser/Parser.h b/lib/Hoymiles/src/parser/Parser.h
index ccb486b..5d6df75 100644
--- a/lib/Hoymiles/src/parser/Parser.h
+++ b/lib/Hoymiles/src/parser/Parser.h
@@ -1,7 +1,13 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 #pragma once
+#include <Arduino.h>
 #include <cstdint>
 
+#define HOY_SEMAPHORE_TAKE() \
+    do {                     \
+    } while (xSemaphoreTake(_xSemaphore, portMAX_DELAY) != pdPASS)
+#define HOY_SEMAPHORE_GIVE() xSemaphoreGive(_xSemaphore)
+
 typedef enum {
     CMD_OK,
     CMD_NOK,
@@ -10,9 +16,16 @@ typedef enum {
 
 class Parser {
 public:
+    Parser();
     uint32_t getLastUpdate();
     void setLastUpdate(uint32_t lastUpdate);
 
+    void beginAppendFragment();
+    void endAppendFragment();
+
+protected:
+    SemaphoreHandle_t _xSemaphore;
+
 private:
     uint32_t _lastUpdate = 0;
 };
\ No newline at end of file
diff --git a/lib/Hoymiles/src/parser/PowerCommandParser.cpp b/lib/Hoymiles/src/parser/PowerCommandParser.cpp
index 0ba3a8a..d698dad 100644
--- a/lib/Hoymiles/src/parser/PowerCommandParser.cpp
+++ b/lib/Hoymiles/src/parser/PowerCommandParser.cpp
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 /*
- * Copyright (C) 2022 Thomas Basler and others
+ * Copyright (C) 2022 - 2023 Thomas Basler and others
  */
 #include "PowerCommandParser.h"
 
diff --git a/lib/Hoymiles/src/parser/PowerCommandParser.h b/lib/Hoymiles/src/parser/PowerCommandParser.h
index 6aa042f..e005812 100644
--- a/lib/Hoymiles/src/parser/PowerCommandParser.h
+++ b/lib/Hoymiles/src/parser/PowerCommandParser.h
@@ -1,7 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 #pragma once
 #include "Parser.h"
-#include <Arduino.h>
 
 class PowerCommandParser : public Parser {
 public:
diff --git a/lib/Hoymiles/src/parser/StatisticsParser.cpp b/lib/Hoymiles/src/parser/StatisticsParser.cpp
index ad75cce..d415fc3 100644
--- a/lib/Hoymiles/src/parser/StatisticsParser.cpp
+++ b/lib/Hoymiles/src/parser/StatisticsParser.cpp
@@ -1,15 +1,10 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 /*
- * Copyright (C) 2022 Thomas Basler and others
+ * Copyright (C) 2022 - 2023 Thomas Basler and others
  */
 #include "StatisticsParser.h"
 #include "../Hoymiles.h"
 
-#define HOY_SEMAPHORE_TAKE() \
-    do {                     \
-    } while (xSemaphoreTake(_xSemaphore, portMAX_DELAY) != pdPASS)
-#define HOY_SEMAPHORE_GIVE() xSemaphoreGive(_xSemaphore)
-
 static float calcYieldTotalCh0(StatisticsParser* iv, uint8_t arg0);
 static float calcYieldDayCh0(StatisticsParser* iv, uint8_t arg0);
 static float calcUdcCh(StatisticsParser* iv, uint8_t arg0);
@@ -62,8 +57,6 @@ const FieldId_t dailyProductionFields[] = {
 StatisticsParser::StatisticsParser()
     : Parser()
 {
-    _xSemaphore = xSemaphoreCreateMutex();
-    HOY_SEMAPHORE_GIVE(); // release before first use
     clearBuffer();
 }
 
@@ -101,16 +94,6 @@ void StatisticsParser::appendFragment(uint8_t offset, uint8_t* payload, uint8_t
     _statisticLength += len;
 }
 
-void StatisticsParser::beginAppendFragment()
-{
-    HOY_SEMAPHORE_TAKE();
-}
-
-void StatisticsParser::endAppendFragment()
-{
-    HOY_SEMAPHORE_GIVE();
-}
-
 const byteAssign_t* StatisticsParser::getAssignmentByChannelField(ChannelType_t type, ChannelNum_t channel, FieldId_t fieldId)
 {
     for (uint8_t i = 0; i < _byteAssignmentSize; i++) {
diff --git a/lib/Hoymiles/src/parser/StatisticsParser.h b/lib/Hoymiles/src/parser/StatisticsParser.h
index 91cf645..4423f1f 100644
--- a/lib/Hoymiles/src/parser/StatisticsParser.h
+++ b/lib/Hoymiles/src/parser/StatisticsParser.h
@@ -1,7 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 #pragma once
 #include "Parser.h"
-#include <Arduino.h>
 #include <cstdint>
 #include <list>
 
@@ -107,8 +106,6 @@ public:
     StatisticsParser();
     void clearBuffer();
     void appendFragment(uint8_t offset, uint8_t* payload, uint8_t len);
-    void beginAppendFragment();
-    void endAppendFragment();
 
     void setByteAssignment(const byteAssign_t* byteAssignment, uint8_t size);
 
@@ -157,6 +154,4 @@ private:
     std::list<fieldSettings_t> _fieldSettings;
 
     uint32_t _rxFailureCount = 0;
-
-    SemaphoreHandle_t _xSemaphore;
 };
\ No newline at end of file
diff --git a/lib/Hoymiles/src/parser/SystemConfigParaParser.cpp b/lib/Hoymiles/src/parser/SystemConfigParaParser.cpp
index 2756e1e..d2d6365 100644
--- a/lib/Hoymiles/src/parser/SystemConfigParaParser.cpp
+++ b/lib/Hoymiles/src/parser/SystemConfigParaParser.cpp
@@ -1,21 +1,14 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 /*
- * Copyright (C) 2022 Thomas Basler and others
+ * Copyright (C) 2022 - 2023 Thomas Basler and others
  */
 #include "SystemConfigParaParser.h"
 #include "../Hoymiles.h"
 #include <cstring>
 
-#define HOY_SEMAPHORE_TAKE() \
-    do {                     \
-    } while (xSemaphoreTake(_xSemaphore, portMAX_DELAY) != pdPASS)
-#define HOY_SEMAPHORE_GIVE() xSemaphoreGive(_xSemaphore)
-
 SystemConfigParaParser::SystemConfigParaParser()
     : Parser()
 {
-    _xSemaphore = xSemaphoreCreateMutex();
-    HOY_SEMAPHORE_GIVE(); // release before first use
     clearBuffer();
 }
 
@@ -35,16 +28,6 @@ void SystemConfigParaParser::appendFragment(uint8_t offset, uint8_t* payload, ui
     _payloadLength += len;
 }
 
-void SystemConfigParaParser::beginAppendFragment()
-{
-    HOY_SEMAPHORE_TAKE();
-}
-
-void SystemConfigParaParser::endAppendFragment()
-{
-    HOY_SEMAPHORE_GIVE();
-}
-
 float SystemConfigParaParser::getLimitPercent()
 {
     HOY_SEMAPHORE_TAKE();
diff --git a/lib/Hoymiles/src/parser/SystemConfigParaParser.h b/lib/Hoymiles/src/parser/SystemConfigParaParser.h
index 4ec7381..37e2fa7 100644
--- a/lib/Hoymiles/src/parser/SystemConfigParaParser.h
+++ b/lib/Hoymiles/src/parser/SystemConfigParaParser.h
@@ -1,7 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 #pragma once
 #include "Parser.h"
-#include <Arduino.h>
 
 #define SYSTEM_CONFIG_PARA_SIZE 16
 
@@ -10,8 +9,6 @@ public:
     SystemConfigParaParser();
     void clearBuffer();
     void appendFragment(uint8_t offset, uint8_t* payload, uint8_t len);
-    void beginAppendFragment();
-    void endAppendFragment();
 
     float getLimitPercent();
     void setLimitPercent(float value);
@@ -35,6 +32,4 @@ private:
 
     uint32_t _lastUpdateCommand = 0;
     uint32_t _lastUpdateRequest = 0;
-
-    SemaphoreHandle_t _xSemaphore;
 };
\ No newline at end of file