diff --git a/DemoProc/src/RealtimeGraph.c b/DemoProc/src/RealtimeGraph.c
index 415a4b9..77997cc 100644
--- a/DemoProc/src/RealtimeGraph.c
+++ b/DemoProc/src/RealtimeGraph.c
@@ -70,7 +70,6 @@ HMI_ENGINE_RESULT HMI_DemoRealGraph_ProcessEvent(HMI_EVENT_TYPE eEventType, cons
 	HMI_ENGINE_RESULT           eProcessResult;
 	SGUI_INT					iNewValue;
 	SGUI_UINT16*				parrKeyValue;
-	static SGUI_UINT			uiTimer = 3;
 
 	/*----------------------------------*/
 	/* Initialize						*/
@@ -101,17 +100,9 @@ HMI_ENGINE_RESULT HMI_DemoRealGraph_ProcessEvent(HMI_EVENT_TYPE eEventType, cons
 				}
 				case HMI_ENGINE_ACTION_ON_TIMER:
 				{
-					if(uiTimer > 0)
-					{
-						uiTimer--;
-					}
-					else
-					{
-						uiTimer = 5;
-						iNewValue = *((SGUI_INT*)pstEvent->Data);
-						SGUI_RealtimeGraph_AppendValue(&s_stRealtimeGraph, iNewValue);
-						HMI_DemoRealGraph_RefreshScreen(NULL);
-					}
+                    iNewValue = *((SGUI_INT*)pstEvent->Data);
+                    SGUI_RealtimeGraph_AppendValue(&s_stRealtimeGraph, iNewValue);
+                    HMI_DemoRealGraph_RefreshScreen(NULL);
                     break;
 				}
 				default:
diff --git a/DemoProc/src/ScrollingText.c b/DemoProc/src/ScrollingText.c
index 51a2265..439ef6b 100644
--- a/DemoProc/src/ScrollingText.c
+++ b/DemoProc/src/ScrollingText.c
@@ -133,7 +133,6 @@ HMI_ENGINE_RESULT HMI_DemoScrollingText_ProcessEvent(HMI_EVENT_TYPE eEventType,
 	/* Variable Declaration				*/
 	/*----------------------------------*/
 	HMI_ENGINE_RESULT           eProcessResult;
-	static SGUI_UINT            uiTimer = 1;
 	SGUI_UINT16*				parrKeyValue;
 
 	/*----------------------------------*/
@@ -164,24 +163,16 @@ HMI_ENGINE_RESULT HMI_DemoScrollingText_ProcessEvent(HMI_EVENT_TYPE eEventType,
                     break;
 				}
 				case HMI_ENGINE_ACTION_ON_TIMER:
-				{
-					if(uiTimer > 0)
+				{
+                    //SGUI_Frame_DrawFullScreenFrame(&s_stTextFrame);
+                    SGUI_Text_DrawMultipleLinesText(s_szDemoText, SGUI_FONT_SIZE_H12, &s_stTextDisplayArea, s_iTextOffset, SGUI_DRAW_NORMAL);
+                    if(s_iTextOffset + s_iTextHeight == 0)
                     {
-                        uiTimer--;
+                        s_iTextOffset = HMI_TEXT_DEMO_FRAME_TEXT_HEIGHT;
                     }
                     else
-                    {
-                        SGUI_Frame_DrawFullScreenFrame(&s_stTextFrame);
-                        SGUI_Text_DrawMultipleLinesText(s_szDemoText, SGUI_FONT_SIZE_H12, &s_stTextDisplayArea, s_iTextOffset, SGUI_DRAW_NORMAL);
-                        if(s_iTextOffset + s_iTextHeight == 0)
-                        {
-                            s_iTextOffset = HMI_TEXT_DEMO_FRAME_TEXT_HEIGHT;
-                        }
-                        else
-                        {
-                            s_iTextOffset--;
-                        }
-                        uiTimer = 1;
+                    {
+                        s_iTextOffset--;
                     }
                     eProcessResult = HMI_RET_NOACTION;
                     break;
diff --git a/DemoProject/STM32F1/System/inc/UsartKey.h b/DemoProject/STM32F1/Demo/inc/DemoActions.h
similarity index 58%
rename from DemoProject/STM32F1/System/inc/UsartKey.h
rename to DemoProject/STM32F1/Demo/inc/DemoActions.h
index bc58c0b..ba6e2df 100644
--- a/DemoProject/STM32F1/System/inc/UsartKey.h
+++ b/DemoProject/STM32F1/Demo/inc/DemoActions.h
@@ -1,20 +1,26 @@
-#ifndef __INCLUDE_USART_KEY_H__
-#define __INCLUDE_USART_KEY_H__
+#ifndef __INCLUDE_DEMOACTIONS_H__
+#define __INCLUDE_DEMOACTIONS_H__
 
-// Key value definition.
-#define		KEY_VALUE_TAB									(0x01)
-#define		KEY_VALUE_ENTER									(0x02)
-#define		KEY_VALUE_ESC									(0x03)
-#define		KEY_VALUE_SPACE									(0x04)
-#define		KEY_VALUE_LEFT									(0x05)
-#define		KEY_VALUE_UP									(0x06)
-#define		KEY_VALUE_RIGHT									(0x07)
-#define		KEY_VALUE_DOWN									(0x08)
-
-// User option flag value define
-#define		KEY_OPTION_NONE									(0x00)
-#define		KEY_OPTION_CTRL									(0x10)
-#define		KEY_OPTION_ALT									(0x20)
+#include <stdbool.h>
+
+#define		KEY_NONE									    (0x00)
+// Key value definition.
+#define		KEY_VALUE_TAB									(0x01)
+#define		KEY_VALUE_ENTER									(0x02)
+#define		KEY_VALUE_ESC									(0x03)
+#define		KEY_VALUE_SPACE									(0x04)
+#define		KEY_VALUE_LEFT									(0x05)
+#define		KEY_VALUE_UP									(0x06)
+#define		KEY_VALUE_RIGHT									(0x07)
+#define		KEY_VALUE_DOWN									(0x08)
+
+// User option flag value define
+#define		KEY_OPTION_CTRL									(0x10)
+#define		KEY_OPTION_ALT									(0x20)
 #define		KEY_OPTION_SHIFT								(0x40)
 
-#endif /* __INCLUDE_USART_KEY_H__ */
+void        DemoAction_InitializeUsart1(void);
+void        DemoAction_TimerEvent(void);
+void        DemoAction_UsartReceiveEvent(uint8_t cbReceiveByte);
+
+#endif /* __INCLUDE_DEMOACTIONS_H__ */
diff --git a/DemoProject/STM32F1/Demo/inc/DemoResource_GB2312.h b/DemoProject/STM32F1/Demo/inc/DemoResource_GB2312.h
index ca2fd25..49b1f4e 100644
--- a/DemoProject/STM32F1/Demo/inc/DemoResource_GB2312.h
+++ b/DemoProject/STM32F1/Demo/inc/DemoResource_GB2312.h
@@ -8,7 +8,7 @@
 使用方法以及运作机理，在演示过程中，您可以通过串口发送特定字节模拟键盘\
 输入与SimpleGUI演示工程进行交互，以实现与模拟器中类似的效果。每字节高\
 四位为控制键码，低四位为主键码。\n\
-  使用串口发送0x02开始演示，串口配置为115200/N/8/1。"\
+  使用串口发送0x04开始演示，串口配置为115200/N/8/1。"\
 )
 
 /* Screen 2: List*/
diff --git a/DemoProject/STM32F1/Demo/src/DemoActions.c b/DemoProject/STM32F1/Demo/src/DemoActions.c
new file mode 100644
index 0000000..1f4672c
--- /dev/null
+++ b/DemoProject/STM32F1/Demo/src/DemoActions.c
@@ -0,0 +1,99 @@
+#include "stm32f10x_usart.h"
+#include "stm32f10x_rcc.h"
+#include "DemoActions.h"
+#include "DemoProc.h"
+#include "HMI_Engine.h"
+#include "SGUI_Basic.h"
+#include "GPIO.h"
+#include "Usart.h"
+
+SGUI_INT    s_GraphDemoData[72] = {
+//   5,  10,  15,  20,  25,  30,  35,  40,  45,  50,  55,  60,  65,  70,  75,  80,  85,  90,
+     4,   9,  13,  17,  21,  25,  29,  32,  35,  38,  41,  43,  45,  47,  48,  49,  50,  50,
+
+//  95, 100, 105, 110, 115, 120, 125, 130, 135, 140, 145, 150, 155, 160, 165, 170, 175, 180,
+    50,  49,  48,  47,  45,  43,  41,  38,  35,  32,  29,  25,  21,  17,  13,   9,   4,   0,
+
+// 185, 190, 195, 200, 205, 210, 215, 220, 225, 230, 235, 240, 245, 250, 255, 260, 265, 270,
+    -4,  -9, -13, -17, -21, -25, -29, -32, -35, -38, -41, -43, -45, -47, -48, -49, -50, -50,
+
+// 275, 280, 285, 290, 295, 300, 305, 310, 315, 320, 325, 330, 335, 340, 345, 350, 355, 360,
+   -50, -49, -48, -47, -45, -43, -41, -38, -35, -32, -29, -25, -21, -17, -13,  -9,  -4,   0
+};
+
+GPIO_OBJECT_STRUCT	astUSART1GPIO[] =
+{
+	{RCC_APB2Periph_GPIOA, GPIOA, GPIO_Pin_9, GPIO_Mode_AF_PP, GPIO_Speed_2MHz, GPIO_STATE_HIGH},
+	{RCC_APB2Periph_GPIOA, GPIOA, GPIO_Pin_10, GPIO_Mode_IN_FLOATING, GPIO_Speed_2MHz, GPIO_STATE_HIGH},
+};
+
+
+void DemoAction_InitializeUsart1(void)
+{
+    NVIC_InitTypeDef NVIC_InitStructure;
+
+	/* Configure USART1 GPIO */
+	GPIO_Initialize(astUSART1GPIO, 2);
+
+    /* Configure Usart1 interrupt. */
+    NVIC_InitStructure.NVIC_IRQChannel = USART1_IRQn;
+	NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=2 ;//鎶㈠崰浼樺厛绾�3
+	NVIC_InitStructure.NVIC_IRQChannelSubPriority = 2;		//瀛愪紭鍏堢骇3
+	NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;			//IRQ閫氶亾浣胯兘
+	NVIC_Init(&NVIC_InitStructure);
+
+	/* Configure USART1 controller */
+	RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1, ENABLE);	//Enable USART device clock.
+	USART_Config(USART1, 115200, true);         //Initialize USART and enable USART interrupt.
+}
+
+
+void DemoAction_TimerEvent(void)
+{
+    /*----------------------------------*/
+	/* Variable Declaration				*/
+	/*----------------------------------*/
+	HMI_EVENT				stEvent;
+	static SGUI_INT			iDemoGraphDataIndex = 0;
+
+	/*----------------------------------*/
+	/* Initialize						*/
+	/*----------------------------------*/
+	stEvent.Action =		HMI_ENGINE_ACTION_ON_TIMER;
+	stEvent.Data =			NULL;
+
+	/*----------------------------------*/
+	/* Process							*/
+	/*----------------------------------*/
+	stEvent.Data = (SGUI_BYTE*)(&s_GraphDemoData[iDemoGraphDataIndex]);
+	iDemoGraphDataIndex++;
+	iDemoGraphDataIndex = iDemoGraphDataIndex % 72;
+	// Post timer event.
+	EventProcess(HMI_ENGINE_EVENT_ACTION, &stEvent);
+	SGUI_Basic_RefreshDisplay();
+}
+
+void DemoAction_UsartReceiveEvent(uint8_t cbReceiveByte)
+{
+    /*----------------------------------*/
+	/* Variable Declaration				*/
+	/*----------------------------------*/
+	SGUI_UINT16				arruiPressedKey[HMI_EVENT_KEY_VALUE_LENGTH_MAX];
+	HMI_EVENT				stEvent;
+
+	/*----------------------------------*/
+	/* Initialize						*/
+	/*----------------------------------*/
+	arruiPressedKey[0] = KEY_NONE;
+	stEvent.Action = HMI_ENGINE_ACTION_KEY_PRESS;
+	arruiPressedKey[0] = cbReceiveByte & 0xF0;
+	arruiPressedKey[1] = cbReceiveByte & 0x0F;
+	stEvent.Data = (SGUI_BYTE*)arruiPressedKey;
+	/*----------------------------------*/
+	/* Process							*/
+	/*----------------------------------*/
+	// Call demo process.
+	EventProcess(HMI_ENGINE_EVENT_ACTION, &stEvent);
+	SGUI_Basic_RefreshDisplay();
+}
+
diff --git a/DemoProject/STM32F1/Projects/EmBitz/Project.ebp b/DemoProject/STM32F1/Projects/EmBitz/Project.ebp
index 3df88c5..55bb95f 100644
--- a/DemoProject/STM32F1/Projects/EmBitz/Project.ebp
+++ b/DemoProject/STM32F1/Projects/EmBitz/Project.ebp
@@ -117,7 +117,11 @@
 		<Unit filename="..\..\Core\inc\core_cm3.h" />
 		<Unit filename="..\..\Core\inc\core_cmFunc.h" />
 		<Unit filename="..\..\Core\inc\core_cmInstr.h" />
+		<Unit filename="..\..\Demo\inc\DemoActions.h" />
 		<Unit filename="..\..\Demo\inc\DemoResource_GB2312.h" />
+		<Unit filename="..\..\Demo\src\DemoActions.c">
+			<Option compilerVar="CC" />
+		</Unit>
 		<Unit filename="..\..\Device\inc\ASCII_Font8Pix.h" />
 		<Unit filename="..\..\Device\inc\OLED.h" />
 		<Unit filename="..\..\Device\inc\SSD1306_SPI.h" />
@@ -238,7 +242,6 @@
 		<Unit filename="..\..\System\inc\Systick.h" />
 		<Unit filename="..\..\System\inc\Timer.h" />
 		<Unit filename="..\..\System\inc\Usart.h" />
-		<Unit filename="..\..\System\inc\UsartKey.h" />
 		<Unit filename="..\..\System\src\Delay.c">
 			<Option compilerVar="CC" />
 		</Unit>
@@ -272,7 +275,6 @@
 		<Unit filename="..\..\User\inc\stm32f10x.h" />
 		<Unit filename="..\..\User\inc\stm32f10x_conf.h" />
 		<Unit filename="..\..\User\inc\system_stm32f10x.h" />
-		<Unit filename="..\..\User\inc\Typedefine.h" />
 		<Unit filename="..\..\User\inc\usart_io.h" />
 		<Unit filename="..\..\User\src\main.c">
 			<Option compilerVar="CC" />
diff --git a/DemoProject/STM32F1/System/inc/Systick.h b/DemoProject/STM32F1/System/inc/Systick.h
index 0988a73..a4946b6 100644
--- a/DemoProject/STM32F1/System/inc/Systick.h
+++ b/DemoProject/STM32F1/System/inc/Systick.h
@@ -1,10 +1,10 @@
-#ifndef _INCLUDE_SYSTEM_SYSTICK_H_
-#define _INCLUDE_SYSTEM_SYSTICK_H_
+#ifndef __INCLUDE_SYSTEM_SYSTICK_H__
+#define __INCLUDE_SYSTEM_SYSTICK_H__
+
+#include <stdbool.h>
 #include "stm32f10x.h"
 #include "core_cm3.h"
 
-#include "Typedefine.h"
-
 #ifndef SYSTICK_MAXCOUNT
 #define SYSTICK_MAXCOUNT  16777216
 #endif
diff --git a/DemoProject/STM32F1/System/inc/Timer.h b/DemoProject/STM32F1/System/inc/Timer.h
index da8b4eb..69168c6 100644
--- a/DemoProject/STM32F1/System/inc/Timer.h
+++ b/DemoProject/STM32F1/System/inc/Timer.h
@@ -1,10 +1,13 @@
 #ifndef __INCLUDE_TIMER_H__
 #define __INCLUDE_TIMER_H__
 
+#include <stdbool.h>
 #include <stdint.h>
 #include <stddef.h>
 #include "stm32f10x_tim.h"
 
-void TIM3_Int_Init(TIM_TypeDef* pstTimerBase, uint16_t uiReloadValue, uint16_t uiPrescaler);
+void    TIMBase_Int_Init(TIM_TypeDef* pstTimerBase, uint16_t uiReloadValue, uint16_t uiPrescaler);
+bool    GetTimerTriggered(void);
+void    ResetTimerTriggered(void);
 
 #endif /* __INCLUDE_TIMER_H__ */
diff --git a/DemoProject/STM32F1/System/inc/Usart.h b/DemoProject/STM32F1/System/inc/Usart.h
index 8a73910..35ad545 100644
--- a/DemoProject/STM32F1/System/inc/Usart.h
+++ b/DemoProject/STM32F1/System/inc/Usart.h
@@ -1,9 +1,11 @@
-#ifndef _INCLUDE_SYSTEM_USART_H_
-#define _INCLUDE_SYSTEM_USART_H_
+#ifndef __INCLUDE_SYSTEM_USART_H__
+#define __INCLUDE_SYSTEM_USART_H__
+#include <stdbool.h>
 #include "stm32f10x_usart.h"
-#include "Typedefine.h"
 
-void USART_Config(USART_TypeDef* st_USARTx, uint32_t ui_Baudrate, bool b_Enable);
-void USART_SendByte(USART_TypeDef* pstUSARTx, uint16_t uiByte);
+void    USART_Config(USART_TypeDef* st_USARTx, uint32_t ui_Baudrate, bool b_Enable);
+void    USART_SendByte(USART_TypeDef* pstUSARTx, uint16_t uiByte);
+uint8_t GetReveivedByte(void);
+void    ResetReveivedByte(void);
 
 #endif
diff --git a/DemoProject/STM32F1/System/src/GPIO.c b/DemoProject/STM32F1/System/src/GPIO.c
index e5bd81e..7b90795 100644
--- a/DemoProject/STM32F1/System/src/GPIO.c
+++ b/DemoProject/STM32F1/System/src/GPIO.c
@@ -36,13 +36,10 @@ void GPIO_Initialize(const GPIO_OBJECT_STRUCT* pstGPIODataList, uint16_t uiArray
         {
             GPIO_SetBits(pstGPIODataList[i].Port, pstGPIODataList[i].Pin);
         }
-        // Default to LOW when initialized.
-        /**
         else
         {
             GPIO_ResetBits(pstGPIODataList[i].Port, pstGPIODataList[i].Pin);
         }
-        */
 	}
 }
 
diff --git a/DemoProject/STM32F1/System/src/Systick.c b/DemoProject/STM32F1/System/src/Systick.c
index b5d2924..1fd9ef9 100644
--- a/DemoProject/STM32F1/System/src/Systick.c
+++ b/DemoProject/STM32F1/System/src/Systick.c
@@ -1,6 +1,3 @@
-#include "stm32f10x.h"
-#include "core_cm3.h"
-#include "Typedefine.h"
 #include "Systick.h"
 #include "Delay.h"
 
@@ -24,7 +21,7 @@ ErrorStatus Systick_Initialize(uint32_t ui_Ticks, bool b_EnableInterrupt)
     SysTick_CLKSourceConfig(SysTick_CLKSource_HCLK);	//设置Systick时钟源为HCLK
     Systick_SetReload(ui_Ticks);							//设置Systick重装载值
     Systick_SetValue(0x000000);							//设置Systick初值
-    if(b_EnableInterrupt == TRUE)
+    if(b_EnableInterrupt == true)
     {
         NVIC_SetPriority(SysTick_IRQn, 0);			//配置Systick中断优先级
         SystickInt_Enable();							//使能Systick中断
diff --git a/DemoProject/STM32F1/System/src/Timer.c b/DemoProject/STM32F1/System/src/Timer.c
index 0f25183..8406353 100644
--- a/DemoProject/STM32F1/System/src/Timer.c
+++ b/DemoProject/STM32F1/System/src/Timer.c
@@ -1,10 +1,9 @@
 #include "Timer.h"
-#include "DemoProc.h"
-#include "SGUI_Basic.h"
+#include "DemoActions.h"
 
-void PostTimerEvent(void);
+static bool            s_bTimerTriggered = false;
 
-void TIM3_Int_Init(TIM_TypeDef* pstTimerBase, uint16_t uiReloadValue, uint16_t uiPrescaler)
+void TIMBase_Int_Init(TIM_TypeDef* pstTimerBase, uint16_t uiReloadValue, uint16_t uiPrescaler)
 {
     TIM_TimeBaseInitTypeDef  TIM_TimeBaseStructure;
 	NVIC_InitTypeDef NVIC_InitStructure;
@@ -28,40 +27,24 @@ void TIM3_Int_Init(TIM_TypeDef* pstTimerBase, uint16_t uiReloadValue, uint16_t u
 	NVIC_Init(&NVIC_InitStructure);  //鍒濆鍖朜VIC瀵勫瓨鍣�
 
 
-	TIM_Cmd(pstTimerBase, ENABLE);  //浣胯兘TIMx
+	TIM_Cmd(pstTimerBase, ENABLE);
 }
-//瀹氭椂鍣�3涓柇鏈嶅姟绋嬪簭
-void TIM3_IRQHandler(void)   //TIM3涓柇
+
+/* Timer-3 interrupt service interface. */
+void TIM3_IRQHandler(void)
 {
-	if (TIM_GetITStatus(TIM3, TIM_IT_Update) != RESET)  //妫�鏌IM3鏇存柊涓柇鍙戠敓涓庡惁
+	if (TIM_GetITStatus(TIM3, TIM_IT_Update) != RESET)
     {
-		TIM_ClearITPendingBit(TIM3, TIM_IT_Update  );  //娓呴櫎TIMx鏇存柊涓柇鏍囧織
-		// Timer process.
-		PostTimerEvent();
+		TIM_ClearITPendingBit(TIM3, TIM_IT_Update  );
+		s_bTimerTriggered = true;
     }
 }
 
-
-void PostTimerEvent(void)
+bool GetTimerTriggered(void)
 {
-    /*----------------------------------*/
-	/* Variable Declaration				*/
-	/*----------------------------------*/
-	HMI_EVENT				stEvent;
-	SGUI_INT				iRandomNumber;
-
-	/*----------------------------------*/
-	/* Initialize						*/
-	/*----------------------------------*/
-	stEvent.Action =		HMI_ENGINE_ACTION_ON_TIMER;
-	stEvent.Data =			NULL;
-
-	/*----------------------------------*/
-	/* Process							*/
-	/*----------------------------------*/
-	iRandomNumber = 10;
-	stEvent.Data = (SGUI_BYTE*)(&iRandomNumber);
-	// Post timer event.
-	EventProcess(HMI_ENGINE_EVENT_ACTION, &stEvent);
-	SGUI_Basic_RefreshDisplay();
+    return s_bTimerTriggered;
+}
+void ResetTimerTriggered(void)
+{
+    s_bTimerTriggered = false;
 }
diff --git a/DemoProject/STM32F1/System/src/Usart.c b/DemoProject/STM32F1/System/src/Usart.c
index 4824bc9..889187a 100644
--- a/DemoProject/STM32F1/System/src/Usart.c
+++ b/DemoProject/STM32F1/System/src/Usart.c
@@ -1,7 +1,8 @@
 #include "stm32f10x_usart.h"
-#include "Typedefine.h"
 #include "Usart.h"
-#include "usart_io.h"
+#include "DemoActions.h"
+
+static uint8_t          s_cbReceivedByte = KEY_NONE;
 
 /************************************************************************/
 /** Function Name:	USART_Config.										**/
@@ -24,7 +25,7 @@ void USART_Config(USART_TypeDef* pstUSARTx, uint32_t ui_Baudrate, bool b_Enable)
 	USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx; // RX/TX mode.
 	USART_Init(pstUSARTx, &USART_InitStructure);					// Configuration USART controler.
 
-	if(b_Enable == TRUE)
+	if(b_Enable == true)
 	{
 		USART_ITConfig(pstUSARTx, USART_IT_RXNE, ENABLE);			// Enable USART interrupt.
 	}
@@ -35,8 +36,32 @@ void USART_Config(USART_TypeDef* pstUSARTx, uint32_t ui_Baudrate, bool b_Enable)
 
 void USART_SendByte(USART_TypeDef* pstUSARTx, uint16_t uiByte)
 {
+    USART_ClearFlag(pstUSARTx,USART_FLAG_TC);
     // Send data.
     USART_SendData(pstUSARTx, uiByte);
     // Wait for send complete.
-    while(USART_GetFlagStatus(pstUSARTx, USART_FLAG_TXE) == RESET);
+    //while(USART_GetFlagStatus(pstUSARTx, USART_FLAG_TXE) == RESET);
+    while(USART_GetFlagStatus(pstUSARTx, USART_FLAG_TC) != SET);
+}
+
+/* USART-1 receive interrupt function. */
+void USART1_IRQHandler(void)
+{
+	uint8_t cbReceiveByte;
+
+	if(USART_GetITStatus(USART1, USART_IT_RXNE) != RESET)
+    {
+		cbReceiveByte = USART_ReceiveData(USART1);
+		s_cbReceivedByte = cbReceiveByte;
+    }
+}
+
+uint8_t GetReveivedByte(void)
+{
+    return s_cbReceivedByte;
+}
+
+void ResetReveivedByte(void)
+{
+    s_cbReceivedByte = KEY_NONE;
 }
diff --git a/DemoProject/STM32F1/User/inc/Typedefine.h b/DemoProject/STM32F1/User/inc/Typedefine.h
deleted file mode 100644
index df03887..0000000
--- a/DemoProject/STM32F1/User/inc/Typedefine.h
+++ /dev/null
@@ -1,10 +0,0 @@
-#ifndef _TYPEDEFINE_H_
-#define _TYPEDEFINE_H_
-
-typedef enum
-{
-	FALSE = 0,
-	TRUE =!FALSE
-}bool;
-
-#endif
diff --git a/DemoProject/STM32F1/User/inc/usart_io.h b/DemoProject/STM32F1/User/inc/usart_io.h
index 55ab6ea..35fa2b3 100644
--- a/DemoProject/STM32F1/User/inc/usart_io.h
+++ b/DemoProject/STM32F1/User/inc/usart_io.h
@@ -1,7 +1,7 @@
 #ifndef _INCLUDE_USART_IO_H_
 #define _INCLUDE_USART_IO_H_
+#include <stdbool.h>
 #include "stm32f10x_usart.h"
-#include "Typedefine.h"
 #include "GPIO.h"
 
 void    USART_Config(USART_TypeDef* st_USARTx, uint32_t ui_Baudrate, bool b_Enable);
diff --git a/DemoProject/STM32F1/User/src/main.c b/DemoProject/STM32F1/User/src/main.c
index 0474bf6..8a1182a 100644
--- a/DemoProject/STM32F1/User/src/main.c
+++ b/DemoProject/STM32F1/User/src/main.c
@@ -21,8 +21,8 @@
 
 /* Includes ------------------------------------------------------------------*/
 #include <stdio.h>
+#include <stdbool.h>
 #include "stm32f10x.h"
-#include "Typedefine.h"
 #include "usart_io.h"
 #include "Initialize.h"
 #include "stm32f10x_gpio.h"
@@ -32,12 +32,11 @@
 
 #include "GPIO.h"
 #include "RTC.h"
+#include "Usart.h"
 #include "ExternalInterrupt.h"
 #include "SSD1306_SPI.h"
 
-#include "SGUI_Basic.h"
-#include "SGUI_Text.h"
-
+#include "DemoActions.h"
 #include "DemoProc.h"
 
 char		szOutputBuffer[64] = {0x00};
@@ -46,16 +45,18 @@ void UpdateRTC(void);
 
 int main(void)
 {
+    uint8_t         cbReceivedByte;
 	HSEClocks_Initialize(RCC_PLLMul_9);
 	NVIC_Initialize(NVIC_PriorityGroup_2);
 	DebugPort_Initialize(DEBUG_SWD);
-	DebugSerialPort_Initialize(115200);
-	printf("Debug output Initialized.\r\n");
+
+    //DebugSerialPort_Initialize(115200);
+    DemoAction_InitializeUsart1();
 
 	RTC_Initialize();
 	printf("RTC Initialized.\r\n");
 
-	Systick_Initialize(72, TRUE);
+	Systick_Initialize(72, true);
 	printf("Systick timer Initialized.\r\n");
 
 	GPIO_Initialize(astGPIOInitData, 2);
@@ -69,14 +70,27 @@ int main(void)
     InitializeEngine();
     printf("HMI engine Initialized.\r\n");
 
-    TIM3_Int_Init(TIM3, 9, 7199);
-	printf("General Timer-3 Initialized.\r\n");
+    TIMBase_Int_Init(TIM3, 9, 719);
+	printf("General Timer3 Initialized.\r\n");
+
 
     printf("System Initialize finished.\r\n");
 
 	while(1)
 	{
+        if(true == GetTimerTriggered())
+        {
+            DemoAction_TimerEvent();
+            ResetTimerTriggered();
+        }
 
+        cbReceivedByte = GetReveivedByte();
+        if(KEY_NONE != cbReceivedByte)
+        {
+            printf("Received virtual key value 0x%02X.\r\n", cbReceivedByte);
+            DemoAction_UsartReceiveEvent(cbReceivedByte);
+            ResetReveivedByte();
+        }
 	}
 }
 
diff --git a/DemoProject/STM32F1/User/src/usart_io.c b/DemoProject/STM32F1/User/src/usart_io.c
index 6f1e484..fd80def 100644
--- a/DemoProject/STM32F1/User/src/usart_io.c
+++ b/DemoProject/STM32F1/User/src/usart_io.c
@@ -1,8 +1,6 @@
 #include <stdio.h>
 
 #include "stm32f10x.h"
-#include "stm32f10x_usart.h"
-#include "Typedefine.h"
 #include "Usart.h"
 #include "usart_io.h"
 
@@ -32,7 +30,7 @@ void DebugSerialPort_Initialize(uint32_t Baudrate)
 
 	/* Configure USART1 controller */
 	RCC_APB2PeriphClockCmd(DEBUG_IO_DEVICE_CLOCK, ENABLE);	//Enable USART device clock.
-	USART_Config(DEBUG_IO_DEVICE, Baudrate, FALSE);         //Initialize USART and disable USART interrupt.
+	USART_Config(DEBUG_IO_DEVICE, Baudrate, false);         //Initialize USART and disable USART interrupt.
 }
 
 /*****************************************************************************/
diff --git a/GUI/inc/SGUI_Basic.h b/GUI/inc/SGUI_Basic.h
index 81e3cea..5d27066 100644
--- a/GUI/inc/SGUI_Basic.h
+++ b/GUI/inc/SGUI_Basic.h
@@ -9,7 +9,7 @@
 #else
 // Include your device driver interface here.
 #include "OLED.h"
-#include "UsartKey.h"
+#include "DemoActions.h"
 #endif //_SIMPLE_GUI_ENABLE_SIMULATOR_
 
 //=======================================================================//
diff --git a/GUI/src/SGUI_Common.c b/GUI/src/SGUI_Common.c
index 84c9ef0..4c6b456 100644
--- a/GUI/src/SGUI_Common.c
+++ b/GUI/src/SGUI_Common.c
@@ -31,7 +31,8 @@
 #include <malloc.h>
 #include <string.h>
 #else
-	// Include MMU interface header file here.
+	// Include MMU interface header file here.
+#include <string.h>
 #endif
 
 //=======================================================================//
@@ -629,7 +630,8 @@ void* SGUI_Common_MemoryCopy(void* pDest, const void* pSrc, SGUI_UINT uiSize)
 #if (_SIMPLE_GUI_VIRTUAL_ENVIRONMENT_SIMULATOR_ > 0)
 	pCopiedMemory = memcpy(pDest, pSrc, uiSize);
 #else
-	// Add RTC time process here;
+	// Add memory block copy process here;
+	pCopiedMemory = memcpy(pDest, pSrc, uiSize);
 #endif
 	}
 
@@ -697,7 +699,8 @@ SGUI_SIZE SGUI_Common_StringLength(SGUI_PCSZSTR szString)
 #if (_SIMPLE_GUI_VIRTUAL_ENVIRONMENT_SIMULATOR_ > 0)
 	uiStringLength = strlen(szString);
 #else
-	// Add RTC time process here;
+	// Add RTC time process here;
+	uiStringLength = strlen(szString);
 #endif
 	}
 
@@ -733,7 +736,8 @@ SGUI_PSZSTR SGUI_Common_StringCopy(SGUI_PSZSTR szDest, SGUI_PCSZSTR szSrc)
 #if (_SIMPLE_GUI_VIRTUAL_ENVIRONMENT_SIMULATOR_ > 0)
 	szDestPtr = strcpy(szDest, szSrc);
 #else
-	// Add RTC time process here;
+	// Add RTC time process here;
+	szDestPtr = strcpy(szDest, szSrc);
 #endif
 	}
 
@@ -770,7 +774,8 @@ SGUI_PSZSTR SGUI_Common_StringLengthCopy(SGUI_PSZSTR szDest, SGUI_PCSZSTR szSrc,
 #if (_SIMPLE_GUI_VIRTUAL_ENVIRONMENT_SIMULATOR_ > 0)
 	szDestPtr = strncpy(szDest, szSrc, uiSize);
 #else
-	// Add RTC time process here;
+	// Add RTC time process here;
+	szDestPtr = strncpy(szDest, szSrc, uiSize);
 #endif
 	}
 
diff --git a/SimulatorEnv/Frame/src/LCDFrame.cpp b/SimulatorEnv/Frame/src/LCDFrame.cpp
index b07cf2e..3f3b1b0 100644
--- a/SimulatorEnv/Frame/src/LCDFrame.cpp
+++ b/SimulatorEnv/Frame/src/LCDFrame.cpp
@@ -327,7 +327,7 @@ void LCDFrame::OnUpdateUI(wxUpdateUIEvent& clsEventObject)
 		_setStatusText(_T("Initialzied."));
         bInitialized = true;
         _initializeTimer();
-        _startTimer(1);
+        _startTimer(50);
 
         UAIF_OnInitialize();
         m_pclsCtrlPaintPanel->RefreshDisplay();
@@ -482,7 +482,25 @@ uint32_t LCDFrame::GetLCDPixel(uint32_t uiPosX, uint32_t uiPosY)
 
 void LCDFrame::OnTimerEvent(wxTimerEvent& event)
 {
-    UAIF_OnTimerEventProcess();
+    /*----------------------------------*/
+	/* Variable Declaration				*/
+	/*----------------------------------*/
+	static bool                 bInitialized = false;
+
+	/*----------------------------------*/
+	/* Process							*/
+	/*----------------------------------*/
+	if(false == bInitialized)
+	{
+	    // Initialize HMI engine.
+        bInitialized = true;
+        UAIF_OnInitialize();
+        m_pclsCtrlPaintPanel->RefreshDisplay();
+	}
+	else
+    {
+        UAIF_OnTimerEventProcess();
+    }
 }
 
 void LCDFrame::OnRTCUpdate(wxTimerEvent& event)