diff --git a/Inc/SerialPortVirt.h b/Inc/SerialPortVirt.h
index 33d803f..cf40c00 100644
--- a/Inc/SerialPortVirt.h
+++ b/Inc/SerialPortVirt.h
@@ -11,7 +11,7 @@
 
 typedef struct {
     osMessageQueueId_t queue;
-    osMutexId_t access;
+//    osMutexId_t access;
 } tSerialPortVirt;
 
 void SerialPortVirt_Init(tSerialPortVirt *env, uint16_t queueBufferLen);
diff --git a/Src/SerialPortVirt.c b/Src/SerialPortVirt.c
index b9e735e..3e03e44 100644
--- a/Src/SerialPortVirt.c
+++ b/Src/SerialPortVirt.c
@@ -5,7 +5,7 @@
 
 void SerialPortVirt_Init(tSerialPortVirt *env, uint16_t queueBufferLen) {
     env->queue = osMessageQueueNew(queueBufferLen, 1, NULL);
-    env->access = osMutexNew(NULL);
+//    env->access = osMutexNew(NULL);
 }
 
 static uint16_t vSerialPortReceiveQueue(uint8_t *data, uint16_t size, uint32_t timeout, osMessageQueueId_t queueId) {
@@ -42,12 +42,11 @@ static uint16_t vSerialPortReceiveQueue(uint8_t *data, uint16_t size, uint32_t t
 
 static uint16_t vSerialPortReceive(tSerialPortVirt *env, uint8_t *data, uint16_t size, uint32_t timeout) {
 
-    uint16_t result = 0;
+    uint16_t result;
+
+
+    result = vSerialPortReceiveQueue(data, size, timeout, env->queue);
 
-//    if (osMutexAcquire(env->access, 1000) == osOK) {
-        result =  vSerialPortReceiveQueue(data, size, timeout, env->queue);
-//        osMutexRelease(env->access);
-//    }
 
     return result;
 
@@ -87,14 +86,21 @@ static uint16_t vSerialPortTransmitQueue(uint8_t *data, uint16_t size, uint32_t
 
 static uint16_t vSerialPortTransmit(tSerialPortVirt *env, uint8_t *data, uint16_t size, uint32_t timeout) {
 
-    uint16_t result = 0;
+
 
 //    if (osMutexAcquire(env->access, 1000) == osOK) {
-        result = vSerialPortTransmitQueue(data, size, timeout, env->queue);
+//        result = vSerialPortTransmitQueue(data, size, timeout, env->queue);
 //        osMutexRelease(env->access);
 //    }
 
-    return result;
+    uint16_t sent = 0;
+    for (uint16_t i = 0; i < size; ++i) {
+        if (osMessageQueuePut(env->queue, &data[i], 0x00, 0) == osOK) {
+            ++sent;
+        }
+    }
+
+    return sent;
 }
 
 tSerialPortIO SerialPortVirt_GetIo(tSerialPortVirt *env) {