diff --git a/TimeoutSerial.cpp b/TimeoutSerial.cpp
index 44f725a..cc1e62d 100755
--- a/TimeoutSerial.cpp
+++ b/TimeoutSerial.cpp
@@ -88,7 +88,13 @@ void TimeoutSerial::writeString(const std::string& s)
 {
     asio::write(port,asio::buffer(s.c_str(),s.size()));
 }
-
+void TimeoutSerial::dump(char *data, size_t size)
+{
+    BOOST_LOG_TRIVIAL(debug) << "Size = " << size;
+    for (int i=0; i < size; i++) {
+        BOOST_LOG_TRIVIAL(debug) << i << "(" << int(data[i]) << ")";
+    }
+}
 size_t TimeoutSerial::read(char *data, size_t size)
 {
     size_t toRead = 0;
@@ -122,6 +128,7 @@ size_t TimeoutSerial::read(char *data, size_t size)
         {
             case resultSuccess:
                 timer.cancel();
+                dump(data,size);
                 return this->bytesTransferred;
             case resultTimeoutExpired:
                 port.cancel();
diff --git a/TimeoutSerial.h b/TimeoutSerial.h
index 21af1ab..9d2ba15 100755
--- a/TimeoutSerial.h
+++ b/TimeoutSerial.h
@@ -127,7 +127,7 @@ public:
      * \throws timeout_exception in case of timeout
      */
     size_t read(char *data, size_t size);
-
+    void dump(char *data, size_t size);
     /**
      * Read some data, blocking
      * \param size how much data to read