add note to all files

examples/CompButton/CompButton.ino

@@ -1,46 +1,61 @@
-#include "NexButton.h"
-
-NexButton b0 = NexButton(0, 1, "b0");
-char buffer[100] = {0};
-
-NexTouch *nexListenList[] = 
-{
-    &b0,
-    NULL
-};
-
-void b0PopCallback(void *ptr)
-{
-    uint16_t len;
-    uint16_t number;
-    NexButton *btn = (NexButton *)ptr;
-    
-    dbSerial.println("b0PopCallback");
-    dbSerial.print("ptr=");
-    dbSerial.println((uint32_t)ptr);
-    
-    memset(buffer, 0, sizeof(buffer));
-    btn->getText(buffer, sizeof(buffer));
-    
-    number = atoi(buffer);
-    number += 1;
-
-    memset(buffer, 0, sizeof(buffer));
-    itoa(number, buffer, 10);
-    
-    btn->setText(buffer);
-}
-
-void setup(void)
-{
-    dbSerial.begin(9600);
-    nexInit();
-    b0.attachPop(b0PopCallback, &b0);
-    dbSerial.println("setup done");
-}
-
-void loop(void)
-{
-    dbSerial.println("nexLoop");
-    nexLoop(nexListenList);
-}
+/**
+ * @example NexTouch.cpp
+ *
+ * @par Show how to use API of class NexButton.  
+ *
+ * @author  Wu Pengfei (email:<pengfei.wu@itead.cc>)
+ * @date    2015/7/10
+ * @copyright 
+ * Copyright (C) 2014-2015 ITEAD Intelligent Systems Co., Ltd. \n
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ */
+
+#include "NexButton.h"
+
+NexButton b0 = NexButton(0, 1, "b0");
+char buffer[100] = {0};
+
+NexTouch *nexListenList[] = 
+{
+    &b0,
+    NULL
+};
+
+void b0PopCallback(void *ptr)
+{
+    uint16_t len;
+    uint16_t number;
+    NexButton *btn = (NexButton *)ptr;
+    
+    dbSerial.println("b0PopCallback");
+    dbSerial.print("ptr=");
+    dbSerial.println((uint32_t)ptr);
+    
+    memset(buffer, 0, sizeof(buffer));
+    btn->getText(buffer, sizeof(buffer));
+    
+    number = atoi(buffer);
+    number += 1;
+
+    memset(buffer, 0, sizeof(buffer));
+    itoa(number, buffer, 10);
+    
+    btn->setText(buffer);
+}
+
+void setup(void)
+{
+    dbSerial.begin(9600);
+    nexInit();
+    b0.attachPop(b0PopCallback, &b0);
+    dbSerial.println("setup done");
+}
+
+void loop(void)
+{
+    dbSerial.println("nexLoop");
+    nexLoop(nexListenList);
+}