nextion

lib/ITEADLIB_Arduino_Nextion-master/NexVariable.h

@@ -0,0 +1,82 @@
+/**
+ * @file NexButton.h
+ *
+ * The definition of class NexButton. 
+ *
+ * @author huang xiaoming (email:<xiaoming.huang@itead.cc>)
+ * @date 2016/9/13
+ *
+ * @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.
+ */
+
+#ifndef __NEXVARRIABLE_H__
+#define __NEXVARRIABLE_H__
+
+#include "NexTouch.h"
+#include "NexHardware.h"
+/**
+ * @addtogroup Component 
+ * @{ 
+ */
+
+/**
+ * NexButton component. 
+ *
+ * Commonly, you want to do something after push and pop it. It is recommanded that only
+ * call @ref NexTouch::attachPop to satisfy your purpose. 
+ * 
+ * @warning Please do not call @ref NexTouch::attachPush on this component, even though you can. 
+ */
+class NexVariable: public NexTouch
+{
+public: /* methods */
+
+    /**
+     * @copydoc NexObject::NexObject(uint8_t pid, uint8_t cid, const char *name);
+     */
+    NexVariable(uint8_t pid, uint8_t cid, const char *name);
+
+    /**
+     * Get text attribute of component.
+     *
+     * @param buffer - buffer storing text returned. 
+     * @param len - length of buffer. 
+     * @return The real length of text returned. 
+     */
+    uint32_t getText(char *buffer, uint32_t len);    
+
+    /**
+     * Set text attribute of component.
+     *
+     * @param buffer - text buffer terminated with '\0'. 
+     * @return true if success, false for failure. 
+     */
+    bool setText(const char *buffer);    
+	
+    /**
+     * Get val attribute of component
+     *
+     * @param number - buffer storing data retur
+     * @return the length of the data 
+     */
+    uint32_t getValue(uint32_t *number);
+	
+    /**
+     * Set val attribute of component
+     *
+     * @param number - To set up the data
+     * @return true if success, false for failure
+     */
+    bool setValue(uint32_t number);
+};
+/**
+ * @}
+ */
+
+
+#endif /* #ifndef __NEXVARRIABLE_H__*/