diff --git a/CanSpamReceiver.c b/CanSpamReceiver.c
index 276f860..e9e40ef 100644
--- a/CanSpamReceiver.c
+++ b/CanSpamReceiver.c
@@ -6,11 +6,15 @@
 #include "CmsisRtosThreadUtils.h"
 #include "CanPorts.h"
 
+#define LOG_SIGN "CAN_RECEIVED"
+#define LOGGER env->logger
+
 void CanSpamReceiver_Init(tCanSpamReceiver *env,
-                          tSerialPortFrameIO *ioCanFrame) {
+                          tSerialPortFrameIO *ioCanFrame,
+                          tLoggerInterface *logger) {
 
     env->ioCanFrame = ioCanFrame;
-
+    env->logger = logger;
     env->access = osMutexNew(NULL);
 
     InitThreadAtrStatic(&env->thread.attr, "CanSpamRec", env->thread.controlBlock, env->thread.stack,
diff --git a/CanSpamReceiver.h b/CanSpamReceiver.h
index fd074a8..c2b8d3c 100644
--- a/CanSpamReceiver.h
+++ b/CanSpamReceiver.h
@@ -8,6 +8,7 @@
 #include <cmsis_os.h>
 #include "CanSerialPortFrame.h"
 #include "ccu_candb-binutil.h"
+#include "LoggerInterface.h"
 
 typedef struct {
 
@@ -15,6 +16,8 @@ typedef struct {
     osMutexId_t access;
     can_rx_message_type canFrame;
 
+    tLoggerInterface *logger;
+
     struct {
         osThreadId_t id;
         uint32_t stack[512];
@@ -24,7 +27,7 @@ typedef struct {
 
 } tCanSpamReceiver;
 
-void CanSpamReceiver_Init(tCanSpamReceiver *env, tSerialPortFrameIO *ioCanFrame);
+void CanSpamReceiver_Init(tCanSpamReceiver *env, tSerialPortFrameIO *ioCanFrame,         tLoggerInterface *logger);
 
 void CanSpamReceiver_StartThread(tCanSpamReceiver *env);
 
diff --git a/CanSpamTransmitter.c b/CanSpamTransmitter.c
index 323cfaa..7a194db 100644
--- a/CanSpamTransmitter.c
+++ b/CanSpamTransmitter.c
@@ -7,11 +7,15 @@
 #include "CanPorts.h"
 #include "memory.h"
 
+#define LOG_SIGN "CAN_TRANSMITTER"
+#define LOGGER env->logger
+
 void CanSpamTransmitter_Init(tCanSpamTransmitter *env,
-                             tSerialPortFrameIO *ioCanFrame) {
+                             tSerialPortFrameIO *ioCanFrame,
+                             tLoggerInterface *logger) {
 
     env->ioCanFrame = ioCanFrame;
-
+    env->logger = logger;
     env->access = osMutexNew(NULL);
 
     InitThreadAtrStatic(&env->thread.attr, "CanSpamTrans", env->thread.controlBlock, env->thread.stack,
@@ -491,6 +495,17 @@ void set_CCU_Errors(tCanSpamTransmitter *env, CCU_Errors_t *CCU_Errors) {
     if (osMutexAcquire(env->access, 1000) == osOK) {
         memcpy(&env->CCU_Errors, CCU_Errors, sizeof(CCU_Errors_t));
         osMutexRelease(env->access);
+    } else {
+        LoggerInfoStatic(LOGGER, LOG_SIGN, "Access error set_CCU_Errors");
+    }
+}
+
+void set_CCU_Mute(tCanSpamTransmitter *env, bool mute) {
+    if (osMutexAcquire(env->access, 1000) == osOK) {
+        env->isMute = mute;
+        osMutexRelease(env->access);
+    } else {
+        LoggerInfoStatic(LOGGER, LOG_SIGN, "Access error set_CCU_Mute");
     }
 }
 
@@ -498,10 +513,14 @@ static _Noreturn void CanSpamTransmitter_Thread(tCanSpamTransmitter *env) {
     for (;;) {
         if (osMutexAcquire(env->access, 1000) == osOK) {
 
-            env->timeMs = GetSystemTick();
+            if (env->isMute == false) {
+
+                env->timeMs = GetSystemTick();
+
+                while (isEventTransmitter(env) != event_CCU_none) {
+                    sendEventToCan(env);
+                }
 
-            while (isEventTransmitter(env) != event_CCU_none) {
-                sendEventToCan(env);
             }
 
             osMutexRelease(env->access);
diff --git a/CanSpamTransmitter.h b/CanSpamTransmitter.h
index 7f14b76..82d4417 100644
--- a/CanSpamTransmitter.h
+++ b/CanSpamTransmitter.h
@@ -8,6 +8,7 @@
 #include <cmsis_os.h>
 #include "CanSerialPortFrame.h"
 #include "ccu_candb-binutil.h"
+#include "LoggerInterface.h"
 
 typedef enum {
     event_CCU_none = 0x00,
@@ -48,6 +49,10 @@ typedef struct {
 
     CCU_Errors_t CCU_Errors;
 
+    bool isMute;
+
+    tLoggerInterface *logger;
+
     struct {
         osThreadId_t id;
         uint32_t stack[512];
@@ -57,10 +62,12 @@ typedef struct {
 
 } tCanSpamTransmitter;
 
-void CanSpamTransmitter_Init(tCanSpamTransmitter *env, tSerialPortFrameIO *ioCanFrame);
+void CanSpamTransmitter_Init(tCanSpamTransmitter *env, tSerialPortFrameIO *ioCanFrame,         tLoggerInterface *logger);
 
 void CanSpamTransmitter_StartThread(tCanSpamTransmitter *env);
 
 void set_CCU_Errors(tCanSpamTransmitter *env, CCU_Errors_t *CCU_Errors);
 
+void set_CCU_Mute(tCanSpamTransmitter *env, bool mute);
+
 #endif //HVAC_M7_CANSPAMTRANSMITTER_H