diff --git a/NexButton.cpp b/NexButton.cpp
index 80e3ba5..1447fb5 100644
--- a/NexButton.cpp
+++ b/NexButton.cpp
@@ -19,7 +19,7 @@
  * Constructor,inherited NexTouch's constructor function.
  *
  */
-NexButton::NexButton(NexPid pid, NexCid cid, char *name, NexTouchEventCb pop, void *pop_ptr)
+NexButton::NexButton(NexPid pid, NexCid cid, const char *name, NexTouchEventCb pop, void *pop_ptr)
     :NexTouch(pid, cid, name, pop, pop_ptr)
 {
 }
diff --git a/NexButton.h b/NexButton.h
index f09916c..790fced 100644
--- a/NexButton.h
+++ b/NexButton.h
@@ -26,7 +26,7 @@
 class NexButton: public NexTouch
 {
 public: /* methods */
-    NexButton(NexPid pid, NexCid cid, char *name, NexTouchEventCb pop = NULL, void *pop_ptr = NULL);
+    NexButton(NexPid pid, NexCid cid, const char *name, NexTouchEventCb pop = NULL, void *pop_ptr = NULL);
     
     void attachPop(NexTouchEventCb pop, void *ptr = NULL);
     void detachPop(void);
diff --git a/NexCrop.cpp b/NexCrop.cpp
index d46c138..7d181bc 100644
--- a/NexCrop.cpp
+++ b/NexCrop.cpp
@@ -19,7 +19,7 @@
  * Constructor,inherited NexTouch's constructor function.
  *
  */
-NexCrop::NexCrop(NexPid pid, NexCid cid, char *name, NexTouchEventCb pop, void *pop_ptr)
+NexCrop::NexCrop(NexPid pid, NexCid cid, const char *name, NexTouchEventCb pop, void *pop_ptr)
     :NexTouch(pid, cid, name, pop, pop_ptr)
 {
 }
diff --git a/NexCrop.h b/NexCrop.h
index b59e424..7137162 100644
--- a/NexCrop.h
+++ b/NexCrop.h
@@ -26,7 +26,7 @@
 class NexCrop: public NexTouch
 {
 public: /* methods */
-    NexCrop(NexPid pid, NexCid cid, char *name, NexTouchEventCb pop = NULL, void *pop_ptr = NULL);
+    NexCrop(NexPid pid, NexCid cid, const char *name, NexTouchEventCb pop = NULL, void *pop_ptr = NULL);
     
     void attachPop(NexTouchEventCb pop, void *ptr = NULL);
     void detachPop(void);
diff --git a/NexGauge.cpp b/NexGauge.cpp
index eedbced..649aacc 100644
--- a/NexGauge.cpp
+++ b/NexGauge.cpp
@@ -19,7 +19,7 @@
  * Constructor,inherited NexTouch's constructor function.
  *
  */
-NexGauge::NexGauge(NexPid pid, NexCid cid, char *name)
+NexGauge::NexGauge(NexPid pid, NexCid cid, const char *name)
     :NexTouch(pid, cid, name)
 {
 }
diff --git a/NexGauge.h b/NexGauge.h
index dce0820..38f155c 100644
--- a/NexGauge.h
+++ b/NexGauge.h
@@ -26,7 +26,7 @@
 class NexGauge: public NexTouch
 {
 public: /* methods */
-    NexGauge(NexPid pid, NexCid cid, char *name);
+    NexGauge(NexPid pid, NexCid cid, const char *name);
     
     bool getValue(uint32_t *number);
     bool setValue(uint32_t number);
diff --git a/NexHotspot.cpp b/NexHotspot.cpp
index be24ca3..aba96fe 100644
--- a/NexHotspot.cpp
+++ b/NexHotspot.cpp
@@ -19,7 +19,7 @@
  * Constructor,inherited NexTouch's constructor function.
  *
  */
-NexHotspot::NexHotspot(NexPid pid, NexCid cid, char *name, 
+NexHotspot::NexHotspot(NexPid pid, NexCid cid, const char *name, 
     NexTouchEventCb pop, void *pop_ptr,
     NexTouchEventCb push, void *push_ptr)
     :NexTouch(pid, cid, name, pop, pop_ptr, push, push_ptr)
diff --git a/NexHotspot.h b/NexHotspot.h
index 259b9e2..f739904 100644
--- a/NexHotspot.h
+++ b/NexHotspot.h
@@ -26,7 +26,7 @@
 class NexHotspot: public NexTouch
 {
 public: /* methods */
-    NexHotspot(NexPid pid, NexCid cid, char *name, 
+    NexHotspot(NexPid pid, NexCid cid, const char *name, 
         NexTouchEventCb pop = NULL, void *pop_ptr = NULL,
         NexTouchEventCb push = NULL, void *push_ptr = NULL);
 
diff --git a/NexPage.cpp b/NexPage.cpp
index 7b03215..e44958e 100644
--- a/NexPage.cpp
+++ b/NexPage.cpp
@@ -19,7 +19,7 @@
  * Constructor,inherited NexTouch's constructor function.
  *
  */
-NexPage::NexPage(NexPid pid, NexCid cid, char *name, NexTouchEventCb pop, void *pop_ptr)
+NexPage::NexPage(NexPid pid, NexCid cid, const char *name, NexTouchEventCb pop, void *pop_ptr)
     :NexTouch(pid, cid, name, pop, pop_ptr)
 {
 }
diff --git a/NexPage.h b/NexPage.h
index 8c56320..1ca2bae 100644
--- a/NexPage.h
+++ b/NexPage.h
@@ -26,7 +26,7 @@
 class NexPage: public NexTouch
 {
 public: /* methods */
-    NexPage(NexPid pid, NexCid cid, char *name, NexTouchEventCb pop = NULL, void *pop_ptr = NULL);
+    NexPage(NexPid pid, NexCid cid, const char *name, NexTouchEventCb pop = NULL, void *pop_ptr = NULL);
     bool show(void);
 
     void attachPop(NexTouchEventCb pop, void *ptr = NULL);
diff --git a/NexPicture.cpp b/NexPicture.cpp
index d247d12..4902688 100644
--- a/NexPicture.cpp
+++ b/NexPicture.cpp
@@ -19,7 +19,7 @@
  * Constructor,inherited NexTouch's constructor function.
  *
  */
-NexPicture::NexPicture(NexPid pid, NexCid cid, char *name, NexTouchEventCb pop, void *pop_ptr)
+NexPicture::NexPicture(NexPid pid, NexCid cid, const char *name, NexTouchEventCb pop, void *pop_ptr)
     :NexTouch(pid, cid, name, pop, pop_ptr)
 {
 }
diff --git a/NexPicture.h b/NexPicture.h
index 7dfdbce..887f2e8 100644
--- a/NexPicture.h
+++ b/NexPicture.h
@@ -26,7 +26,7 @@
 class NexPicture: public NexTouch
 {
 public: /* methods */
-    NexPicture(NexPid pid, NexCid cid, char *name, NexTouchEventCb pop = NULL, void *pop_ptr = NULL);
+    NexPicture(NexPid pid, NexCid cid, const char *name, NexTouchEventCb pop = NULL, void *pop_ptr = NULL);
     
     void attachPop(NexTouchEventCb pop, void *ptr = NULL);
     void detachPop(void);
diff --git a/NexProgressBar.cpp b/NexProgressBar.cpp
index f7fc321..b33d02c 100644
--- a/NexProgressBar.cpp
+++ b/NexProgressBar.cpp
@@ -19,7 +19,7 @@
  * Constructor,inherited NexTouch's constructor function.
  *
  */
-NexProgressBar::NexProgressBar(NexPid pid, NexCid cid, char *name)
+NexProgressBar::NexProgressBar(NexPid pid, NexCid cid, const char *name)
     :NexTouch(pid, cid, name)
 {
 }
diff --git a/NexProgressBar.h b/NexProgressBar.h
index 9f04d2c..90740c0 100644
--- a/NexProgressBar.h
+++ b/NexProgressBar.h
@@ -26,7 +26,7 @@
 class NexProgressBar: public NexTouch
 {
 public: /* methods */
-    NexProgressBar(NexPid pid, NexCid cid, char *name);
+    NexProgressBar(NexPid pid, NexCid cid, const char *name);
     
     bool getValue(uint32_t *number);
     bool setValue(uint32_t number);
diff --git a/NexSlider.cpp b/NexSlider.cpp
index 3ec6d49..a529802 100644
--- a/NexSlider.cpp
+++ b/NexSlider.cpp
@@ -19,7 +19,7 @@
  * Constructor,inherited NexTouch's constructor function.
  *
  */
-NexSlider::NexSlider(NexPid pid, NexCid cid, char *name, 
+NexSlider::NexSlider(NexPid pid, NexCid cid, const char *name, 
     NexTouchEventCb pop, void *pop_ptr)
     :NexTouch(pid, cid, name, pop, pop_ptr)
 {
diff --git a/NexSlider.h b/NexSlider.h
index 5a09ebc..6e7b509 100644
--- a/NexSlider.h
+++ b/NexSlider.h
@@ -26,7 +26,7 @@
 class NexSlider: public NexTouch
 {
 public: /* methods */
-    NexSlider(NexPid pid, NexCid cid, char *name, NexTouchEventCb pop = NULL, void *pop_ptr = NULL);
+    NexSlider(NexPid pid, NexCid cid, const char *name, NexTouchEventCb pop = NULL, void *pop_ptr = NULL);
     
     void attachPop(NexTouchEventCb pop, void *ptr = NULL);
     void detachPop(void);
diff --git a/NexText.cpp b/NexText.cpp
index 62d6931..cde4dc6 100644
--- a/NexText.cpp
+++ b/NexText.cpp
@@ -19,7 +19,7 @@
  * Constructor,inherited NexTouch's constructor function.
  *
  */
-NexText::NexText(NexPid pid, NexCid cid, char *name, NexTouchEventCb pop, void *pop_ptr)
+NexText::NexText(NexPid pid, NexCid cid, const char *name, NexTouchEventCb pop, void *pop_ptr)
     :NexTouch(pid, cid, name, pop, pop_ptr)
 {
 }
diff --git a/NexText.h b/NexText.h
index 646d4c5..37e74ab 100644
--- a/NexText.h
+++ b/NexText.h
@@ -26,7 +26,7 @@
 class NexText: public NexTouch
 {
 public: /* methods */
-    NexText(NexPid pid, NexCid cid, char *name, NexTouchEventCb pop = NULL, void *pop_ptr = NULL);
+    NexText(NexPid pid, NexCid cid, const char *name, NexTouchEventCb pop = NULL, void *pop_ptr = NULL);
     
     void attachPop(NexTouchEventCb pop, void *ptr = NULL);
     void detachPop(void);
diff --git a/NexTouch.cpp b/NexTouch.cpp
index 7ac2fac..05dfc3f 100644
--- a/NexTouch.cpp
+++ b/NexTouch.cpp
@@ -28,7 +28,7 @@
  * @param push_ptr - the parameter was transmitted to push event function pointer.
  *   
  */
-NexTouch::NexTouch(NexPid pid, NexCid cid, char *name, 
+NexTouch::NexTouch(NexPid pid, NexCid cid, const char *name, 
     NexTouchEventCb pop, void *pop_ptr,
     NexTouchEventCb push, void *push_ptr)
 {
diff --git a/NexTouch.h b/NexTouch.h
index 280a227..e8fbf8c 100644
--- a/NexTouch.h
+++ b/NexTouch.h
@@ -40,7 +40,7 @@ public: /* static methods */
     static void iterate(NexTouch **list, NexPid pid, NexCid cid, NexEventType event);
 
 public: /* methods */
-    NexTouch(NexPid pid, NexCid cid, char *name, 
+    NexTouch(NexPid pid, NexCid cid, const char *name, 
         NexTouchEventCb pop = NULL, void *pop_ptr = NULL,
         NexTouchEventCb push = NULL, void *push_ptr = NULL);
 
@@ -62,7 +62,7 @@ private: /* methods */
 private: /* data */ 
     NexPid pid; /* Page ID */
     NexCid cid; /* Component ID */
-    char *name; /* An unique name */
+    const char *name; /* An unique name */
     NexTouchEventCb cbPush;
     void *__cbpush_ptr;
     NexTouchEventCb cbPop;
diff --git a/NexWaveform.cpp b/NexWaveform.cpp
index d45e0ee..3d38243 100644
--- a/NexWaveform.cpp
+++ b/NexWaveform.cpp
@@ -19,7 +19,7 @@
  * Constructor,inherited NexTouch's constructor function.
  *
  */
-NexWaveform::NexWaveform(NexPid pid, NexCid cid, char *name)
+NexWaveform::NexWaveform(NexPid pid, NexCid cid, const char *name)
     :NexTouch(pid, cid, name)
 {
 }
diff --git a/NexWaveform.h b/NexWaveform.h
index c069aaa..b6fa2aa 100644
--- a/NexWaveform.h
+++ b/NexWaveform.h
@@ -25,7 +25,7 @@
 class NexWaveform: public NexTouch
 {
 public: /* methods */
-    NexWaveform(NexPid pid, NexCid cid, char *name);
+    NexWaveform(NexPid pid, NexCid cid, const char *name);
     bool addValue(uint8_t ch, uint8_t number);
 };