diff --git a/bsp/mini4020/SConscript b/bsp/mini4020/SConscript
index 0289e802c21d1a3e2824bf0fafaf313cbcd98942..d9c64eb9f96363658b8da145e30af3dae1fe2ccc 100644
--- a/bsp/mini4020/SConscript
+++ b/bsp/mini4020/SConscript
@@ -1,9 +1,12 @@
-import rtconfig
-Import('RTT_ROOT')
 from building import *
 
-src	= Glob('*.c')
-CPPPATH = [RTT_ROOT + '/bsp/mini4020']
-group = DefineGroup('Startup', src, depend = [''], CPPPATH = CPPPATH)
+cwd  = GetCurrentDir()
+objs = []
+list = os.listdir(cwd)
 
-Return('group')
+for d in list:
+    path = os.path.join(cwd, d)
+    if os.path.isfile(os.path.join(path, 'SConscript')):
+        objs = objs + SConscript(os.path.join(d, 'SConscript'))
+
+Return('objs')
diff --git a/bsp/mini4020/applications/SConscript b/bsp/mini4020/applications/SConscript
new file mode 100644
index 0000000000000000000000000000000000000000..4fe38ed0cfa89a50194c0fb00c24eb6c9bb5efa2
--- /dev/null
+++ b/bsp/mini4020/applications/SConscript
@@ -0,0 +1,9 @@
+from building import *
+
+cwd     = GetCurrentDir()
+src	= Glob('*.c')
+CPPPATH = [cwd, str(Dir('#'))]
+
+group = DefineGroup('Applications', src, depend = [''], CPPPATH = CPPPATH)
+
+Return('group')
diff --git a/bsp/mini4020/application.c b/bsp/mini4020/applications/application.c
similarity index 82%
rename from bsp/mini4020/application.c
rename to bsp/mini4020/applications/application.c
index 111e968eece6dd4952f6c839964a76cd7ff4d1c7..84566fddbe870bff12ffc15f4b9b248407e62660 100644
--- a/bsp/mini4020/application.c
+++ b/bsp/mini4020/applications/application.c
@@ -1,7 +1,7 @@
 /*
  * File      : application.c
  * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006, RT-Thread Development Team
+ * COPYRIGHT (C) 2006 - 2012, RT-Thread Development Team
  *
  * The license and distribution terms for this file may be
  * found in the file LICENSE in this distribution or at
@@ -14,8 +14,9 @@
  */
 
 /**
- * @addtogroup mini2440
+ * @addtogroup mini4020
  */
+ 
 /*@{*/
 
 #include <board.h>
@@ -27,13 +28,15 @@
 #include <dfs_fs.h>
 #include <dfs_posix.h>
 #endif
+
 #ifdef RT_USING_RTGUI
 #include <rtgui/rtgui.h>
 extern void radio_rtgui_init(void);
 #endif
+
 #define RT_INIT_THREAD_STACK_SIZE (2*1024)
 
-void rt_init_thread_entry(void* parameter)
+void rt_init_thread_entry(void *parameter)
 {
 	int fd;
 	rt_uint32_t sz;
@@ -57,21 +60,21 @@ void rt_init_thread_entry(void* parameter)
 
 		sz = write(fd,"Hello RT-Thread!",sizeof("Hello RT-Thread!"));
 
-		if(sz!=0)
+		if (sz != 0)
 		{
 			rt_kprintf("written %d\n",sz);
 		}
 		else
 			rt_kprintf("haven't written\n");
 
-		lseek(fd,0,SEEK_SET);
+		lseek(fd, 0, SEEK_SET);
 		
-		sz = read(fd,buffer,sizeof(buffer));
+		sz = read(fd, buffer, sizeof(buffer));
 
-		if(sz!=0)
+		if (sz != 0)
 		{
 			rt_kprintf("READ %d:",sz);
-			while(sz--)
+			while (sz--)
 				rt_kprintf("%c",buffer[sz]);//opposite
 			rt_kprintf("\n");
 		}
@@ -86,9 +89,9 @@ void rt_init_thread_entry(void* parameter)
 #endif
 }
 
-void rt_led_thread_entry(void* parameter)
+void rt_led_thread_entry(void *parameter)
 {
- /*
+/*
     while (1)
     {
         count++;
@@ -103,12 +106,11 @@ void rt_led_thread_entry(void* parameter)
 }
 
 
-int rt_application_init()
+int rt_application_init(void)
 {
 	rt_thread_t init_thread;
 	rt_thread_t led_thread;
 
-
 	init_thread = rt_thread_create("init",
 								rt_init_thread_entry, RT_NULL,
 								RT_INIT_THREAD_STACK_SIZE, 8, 20);
@@ -121,6 +123,7 @@ int rt_application_init()
 
 	if (led_thread != RT_NULL)
 		rt_thread_startup(led_thread);
+	
 	return 0;
 }
 
diff --git a/bsp/mini4020/startup.c b/bsp/mini4020/applications/startup.c
similarity index 78%
rename from bsp/mini4020/startup.c
rename to bsp/mini4020/applications/startup.c
index f4ff6822fb9d7f8dadd7239dfd6b5894bfa12aa5..78847e5ac75ce1d960fda6c6d9ac1cfc91cc5791 100644
--- a/bsp/mini4020/startup.c
+++ b/bsp/mini4020/applications/startup.c
@@ -1,3 +1,16 @@
+/*
+ * File      : application.c
+ * This file is part of RT-Thread RTOS
+ * COPYRIGHT (C) 2009 - 2012, RT-Thread Development Team
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rt-thread.org/license/LICENSE
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ */
+
 #include <rthw.h>
 #include <rtthread.h>
 
diff --git a/bsp/mini4020/drivers/SConscript b/bsp/mini4020/drivers/SConscript
new file mode 100644
index 0000000000000000000000000000000000000000..d1d37750bcd177f688f489bbba0a1f63a5501bce
--- /dev/null
+++ b/bsp/mini4020/drivers/SConscript
@@ -0,0 +1,19 @@
+from building import *
+
+cwd = GetCurrentDir()
+src = Glob('*.c')
+
+# remove no need file.
+if GetDepend('RT_USING_LWIP') == False:
+    SrcRemove(src, 'dm9161.c')
+if GetDepend('RT_USING_DFS') == False:
+    SrcRemove(src, 'sdcard.c')
+if GetDepend('RT_USING_RTGUI') == False:
+    SrcRemove(src, 'lcd.c')
+    SrcRemove(src, 'lcdc.c')
+
+CPPPATH = [cwd]
+
+group = DefineGroup('Drivers', src, depend = [''], CPPPATH = CPPPATH)
+
+Return('group')
diff --git a/bsp/mini4020/board.c b/bsp/mini4020/drivers/board.c
similarity index 84%
rename from bsp/mini4020/board.c
rename to bsp/mini4020/drivers/board.c
index 50fa2d31185b9153645bb26397262ee4cee0407a..1e379378be4aa51ac7a9d4fcabd500ea42de9a54 100644
--- a/bsp/mini4020/board.c
+++ b/bsp/mini4020/drivers/board.c
@@ -1,7 +1,7 @@
 /*
  * File      : board.c
  * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006 - 2009 RT-Thread Develop Team
+ * COPYRIGHT (C) 2006 - 2012 RT-Thread Develop Team
  *
  * The license and distribution terms for this file may be
  * found in the file LICENSE in this distribution or at
@@ -12,6 +12,7 @@
  * 2009-05-16     Bernard      first implementation
  * 2010-10-5      Wangmeng     sep4020 implementation
  */
+
 #include <rthw.h>
 #include <rtthread.h>
 
@@ -30,7 +31,6 @@ struct serial_device uart0 =
 	RT_NULL
 };
 
-
 /**
  * This function will handle rtos timer
  */
@@ -41,7 +41,7 @@ void rt_timer_handler(int vector)
 
 	/*Clear timer interrupt*/
 	clear_int = *(RP)TIMER_T1ISCR; 
-    *(RP)TIMER_T1ISCR=clear_int;
+	*(RP)TIMER_T1ISCR=clear_int;
 }
 
 /**
@@ -50,15 +50,13 @@ void rt_timer_handler(int vector)
 void rt_serial_handler(int vector)
 {
 	//rt_kprintf("in rt_serial_handler\n");
-    rt_int32_t stat = *(RP)UART0_IIR ;
+	rt_int32_t stat = *(RP)UART0_IIR ;
 	UNUSED char c;
 
 	/*Received data*/
-	if(((stat & 0x0E) >> 1) == 0x02)
+	if (((stat & 0x0E) >> 1) == 0x02)
 	{
-	  
-	  rt_hw_serial_isr(&uart0_device);
-			
+		rt_hw_serial_isr(&uart0_device);
 	}
 	else
 	{
@@ -67,6 +65,7 @@ void rt_serial_handler(int vector)
 			c = uart0.uart_device->dlbl_fifo.rxfifo;	
 	}
 }
+
 /** 
  * This function will init led on the board
  */
@@ -82,10 +81,10 @@ static void rt_hw_board_led_init(void)
 /**
  * This function will init timer4 for system ticks
  */
- void rt_hw_timer_init()
- {
- 	/*Set timer1*/
- 	*(RP)TIMER_T1LCR = 880000;
+ void rt_hw_timer_init(void)
+{
+	/*Set timer1*/
+	*(RP)TIMER_T1LCR = 880000;
 	*(RP)TIMER_T1CR = 0x06;
 
 	rt_hw_interrupt_install(INTSRC_TIMER1, rt_timer_handler, RT_NULL);
@@ -93,7 +92,7 @@ static void rt_hw_board_led_init(void)
 
 	/*Enable timer1*/
 	*(RP)TIMER_T1CR |= 0x01;
- }
+}
 
 /**
  * This function will handle init uart
@@ -128,9 +127,9 @@ void rt_hw_uart_init(void)
 		&uart0);
 }
 
-void rt_hw_board_init()
+void rt_hw_board_init(void)
 {
-   	/* initialize uart */
+	/* initialize uart */
 	rt_hw_uart_init();
 //	rt_hw_board_led_init();
 	rt_hw_timer_init();
@@ -143,9 +142,11 @@ void rt_hw_serial_putc(const char c)
 		to be polite with serial console add a line feed
 		to the carriage return character
 	*/
-	if (c=='\n')rt_hw_serial_putc('\r');
+	if (c=='\n')
+		rt_hw_serial_putc('\r');
 
 	while (!((*(RP)UART0_LSR) & 0x40));
+
 	*(RP)(UART0_BASE) = c;
 }
 
@@ -154,7 +155,7 @@ void rt_hw_serial_putc(const char c)
  *
  * @param str the displayed string
  */
-void rt_hw_console_output(const char* str)
+void rt_hw_console_output(const char *str)
 {
 	while (*str)
 	{
diff --git a/bsp/mini4020/board.h b/bsp/mini4020/drivers/board.h
similarity index 86%
rename from bsp/mini4020/board.h
rename to bsp/mini4020/drivers/board.h
index 2d0ac8a22af9137b8bb6de7953c0f5f587d50c50..062de56669e797253a3bf70ffe6a6bf4b906ee3e 100644
--- a/bsp/mini4020/board.h
+++ b/bsp/mini4020/drivers/board.h
@@ -1,7 +1,7 @@
 /*
  * File      : board.h
  * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006, RT-Thread Develop Team
+ * COPYRIGHT (C) 2009 - 2012, RT-Thread Development Team
  *
  * The license and distribution terms for this file may be
  * found in the file LICENSE in this distribution or at
diff --git a/bsp/mini4020/dm9161.c b/bsp/mini4020/drivers/dm9161.c
similarity index 75%
rename from bsp/mini4020/dm9161.c
rename to bsp/mini4020/drivers/dm9161.c
index e189f4b4cdb8ef3ef47b9fd1890a68ea82fa4e55..2eeb40ebc202ea5642c58820df043dffe7d39e79 100644
--- a/bsp/mini4020/dm9161.c
+++ b/bsp/mini4020/drivers/dm9161.c
@@ -1,3 +1,16 @@
+/*
+ * File      : dm9161.c
+ * This file is part of RT-Thread RTOS
+ * COPYRIGHT (C) 2009 - 2012, RT-Thread Development Team
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rt-thread.org/license/LICENSE
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ */
+
 #include <rtthread.h>
 #include <netif/ethernetif.h>
 
@@ -73,16 +86,18 @@ void rt_dm9161_isr(int irqno);
 static void udelay(unsigned long ns)
 {
 	unsigned long i;
-	while(ns--)
+
+	while (ns--)
 	{
 		i = 100;
-		while(i--);
+		while (i--);
 	}
 }
 
 static __inline unsigned long sep_emac_read(unsigned int reg)
 {
-	void __iomem *emac_base = (void __iomem *)reg; 
+	void __iomem *emac_base = (void __iomem *)reg;
+
 	return read_reg(emac_base);
 }
  
@@ -106,9 +121,10 @@ static __inline void sep_emac_write(unsigned int reg, unsigned long value)
 static void enable_mdi(void)           //need think more
 {
 	unsigned long ctl;
-  
+
 	ctl = sep_emac_read(MAC_CTRL);
 	sep_emac_write(MAC_CTRL, ctl&(~0x3));    /* enable management port */
+
 	return;
 }
 
@@ -121,6 +137,7 @@ static void disable_mdi(void)
   
 	ctl = sep_emac_read(MAC_CTRL);
 	sep_emac_write(MAC_CTRL, ctl|(0x3));    /* disable management port */
+
 	return;
 }
 
@@ -140,6 +157,7 @@ static __inline void sep_phy_wait(void)
 			break;
 		}		
 	}
+
 	return;
 }
  
@@ -158,6 +176,7 @@ static void write_phy(unsigned char phy_addr, unsigned char address, unsigned in
 	udelay(40);
 
 	sep_phy_wait();
+
 	return;	
 }
  
@@ -177,37 +196,35 @@ static void read_phy(unsigned char phy_addr, unsigned char address, unsigned int
 		
 	mii_rxdata = sep_emac_read(MAC_MII_RXDATA);
 	*value =  mii_rxdata;
-	return;
-}  
-
-
 
+	return;
+}
 
 /* interrupt service routine */
 void rt_dm9161_isr(int irqno)
 {
-	  unsigned long intstatus;
-	  rt_uint32_t address;
-
- 	  mask_irq(INTSRC_MAC);
-	  intstatus = sep_emac_read(MAC_INTSRC);
-
-	  sep_emac_write(MAC_INTSRC,intstatus);
-	  
-	  /*Receive complete*/
-	  if(intstatus & 0x04)
-	  {
-	  	eth_device_ready(&(dm9161_device.parent));
-	  }	
-	  /*Receive error*/
-	  else if(intstatus & 0x08)
-	  {
-	  	rt_kprintf("Receive error\n");
-	  }
-	  /*Transmit complete*/
-	  else if(intstatus & 0x03)
-	  {
-	  	  	if(dm9161_device.tx_index == 0)
+	unsigned long intstatus;
+	rt_uint32_t address;
+
+ 	mask_irq(INTSRC_MAC);
+	intstatus = sep_emac_read(MAC_INTSRC);
+
+	sep_emac_write(MAC_INTSRC,intstatus);
+	
+	/*Receive complete*/
+	if(intstatus & 0x04)
+	{
+		eth_device_ready(&(dm9161_device.parent));
+	}
+	/*Receive error*/
+	else if(intstatus & 0x08)
+	{
+		rt_kprintf("Receive error\n");
+	}
+	/*Transmit complete*/
+	else if(intstatus & 0x03)
+	{
+			if(dm9161_device.tx_index == 0)
 				address = (MAC_TX_BD +(MAX_TX_DESCR-2)*8);
 			else if(dm9161_device.tx_index == 1) 
 				address = (MAC_TX_BD +(MAX_TX_DESCR-1)*8);
@@ -215,12 +232,11 @@ void rt_dm9161_isr(int irqno)
 				address = (MAC_TX_BD + dm9161_device.tx_index*8-16);
 			//printk("free tx skb 0x%x in inter!!\n",lp->txBuffIndex);	
 			sep_emac_write(address,0x0);
-	  }
-	  else if (intstatus & 0x10)
-	  {
-	  	rt_kprintf("ROVER ERROR\n");
-
-	  }
+	}
+	else if (intstatus & 0x10)
+	{
+		rt_kprintf("ROVER ERROR\n");
+	}
 
 	while(intstatus)
 	{
@@ -229,7 +245,6 @@ void rt_dm9161_isr(int irqno)
 	}
 
 	unmask_irq(INTSRC_MAC);
-
 }
 
 static rt_err_t update_mac_address()
@@ -249,15 +264,15 @@ static rt_err_t update_mac_address()
 	return RT_EOK;
 }
 
-static int mii_link_ok (unsigned long phy_id)
+static int mii_link_ok(unsigned long phy_id)
 {
 	/* first, a dummy read, needed to latch some MII phys */
-
 	unsigned int value;
 
 	read_phy(phy_id, MII_BMSR,&value);
 	if (value & BMSR_LSTATUS)
 		return 1;
+
 	return 0;
 }
 
@@ -266,7 +281,7 @@ static void update_link_speed(unsigned short phy_addr)
 	unsigned int bmsr, bmcr, lpa, mac_cfg;
 	unsigned int speed, duplex;
 
-	if(!mii_link_ok(phy_addr))
+	if (!mii_link_ok(phy_addr))
 	{
 		EOUT("Link Down\n");
 		//goto result;
@@ -296,9 +311,9 @@ static void update_link_speed(unsigned short phy_addr)
 	{
 		speed = (bmcr & BMCR_SPEED100) ? SPEED_100 : SPEED_10;
 		duplex = (bmcr & BMCR_FULLDPLX) ? DUPLEX_FULL : DUPLEX_HALF;
-	 }
+	}
  
-    /* Update the MAC */
+	/* Update the MAC */
 	mac_cfg = sep_emac_read(MAC_CTRL);
 	if (speed == SPEED_100) 
 	{
@@ -326,6 +341,7 @@ static void update_link_speed(unsigned short phy_addr)
 result:
 	mac_cfg = sep_emac_read(MAC_CTRL);
 	DBOUT("After mac_cfg=%d\n",mac_cfg);
+	
 	return;
 }
 
@@ -380,58 +396,55 @@ static rt_err_t rt_dm9161_init(rt_device_t dev)
 
 	rt_dm9161_open(dev,0);
 
-    return RT_EOK;
+	return RT_EOK;
 }
 
-
-
 /* ................................ MAC ................................ */
 
 /*
  * Initialize and start the Receiver and Transmit subsystems
  */
-static void sepether_start()
+static void sepether_start(void)
 {
 	int i;
 	unsigned int tempaddr;
-		 
-    sep_emac_write(MAC_TXBD_NUM,MAX_TX_DESCR);
-   
-	 //初始化发送和接收描述符
+ 
+	sep_emac_write(MAC_TXBD_NUM,MAX_TX_DESCR);
+
+	//初始化发送和接收描述符
 	for (i = 0; i < MAX_TX_DESCR; i++)
 	{
 		tempaddr=(MAC_TX_BD+i*8);
-        sep_emac_write(tempaddr,0);
-        tempaddr=(MAC_TX_BD+i*8+4);
-        sep_emac_write(tempaddr,0);
+		sep_emac_write(tempaddr,0);
+		tempaddr=(MAC_TX_BD+i*8+4);
+		sep_emac_write(tempaddr,0);
 	}
 	for (i = 0; i < MAX_RX_DESCR; i++)
 	{
-        tempaddr=(MAC_TX_BD + MAX_TX_DESCR*8+i*8);
-        sep_emac_write(tempaddr,0);
-        tempaddr=(MAC_TX_BD + MAX_TX_DESCR*8+i*8+4);
-        sep_emac_write(tempaddr,0);
+		tempaddr=(MAC_TX_BD + MAX_TX_DESCR*8+i*8);
+		sep_emac_write(tempaddr,0);
+		tempaddr=(MAC_TX_BD + MAX_TX_DESCR*8+i*8+4);
+		sep_emac_write(tempaddr,0);
 	}
-    
+
 	for (i = 0; i < MAX_RX_DESCR; i++) 
 	{
 		tempaddr=(MAC_TX_BD + MAX_TX_DESCR*8+i*8);
-        sep_emac_write(tempaddr,0xc000);
-        tempaddr=(MAC_TX_BD + MAX_TX_DESCR*8+i*8+4);
+		sep_emac_write(tempaddr,0xc000);
+		tempaddr=(MAC_TX_BD + MAX_TX_DESCR*8+i*8+4);
 		sep_emac_write(tempaddr,ESRAM_BASE+ MAX_TX_DESCR*0x600+i*0x600);
 	}
 
 	/* Set the Wrap bit on the last descriptor */
 	tempaddr=(MAC_TX_BD + MAX_TX_DESCR*8+i*8-8);
 	sep_emac_write(tempaddr,0xe000);
-  
 
 	for (i = 0; i < MAX_TX_DESCR; i++) 
 	{
-        tempaddr=(MAC_TX_BD+i*8);
-        sep_emac_write(tempaddr,0x0);
-        tempaddr=(MAC_TX_BD+i*8+4);
-        sep_emac_write(tempaddr,ESRAM_BASE+i*0x600);
+		tempaddr=(MAC_TX_BD+i*8);
+		sep_emac_write(tempaddr,0x0);
+		tempaddr=(MAC_TX_BD+i*8+4);
+		sep_emac_write(tempaddr,ESRAM_BASE+i*0x600);
 	}
 	
 	return;
@@ -440,13 +453,13 @@ static void sepether_start()
 static rt_err_t rt_dm9161_open(rt_device_t dev, rt_uint16_t oflag)
 {
 	unsigned int dsintr;
+
 	enable_mdi();
-  	mask_irq(28);
- 	
-  	sep_emac_write(MAC_INTMASK,0x0);  //首先屏蔽中断
-  
+	mask_irq(28);
 
- 	sepether_start();
+	sep_emac_write(MAC_INTMASK,0x0);  //首先屏蔽中断
+
+	sepether_start();
 
 	/* Enable PHY interrupt */
 	*(volatile unsigned long*)GPIO_PORTA_DIR |= 0x0080 ;          //1 stands for in
@@ -470,12 +483,13 @@ static rt_err_t rt_dm9161_open(rt_device_t dev, rt_uint16_t oflag)
 	/************************************************************************************/
 	/* Enable MAC interrupts */
 	sep_emac_write(MAC_INTMASK,0xff);  //open中断
-  	sep_emac_write(MAC_INTSRC,0xff);   //clear all mac irq
+	sep_emac_write(MAC_INTSRC,0xff);   //clear all mac irq
 	unmask_irq(28);
 	disable_mdi();
 	
 	rt_kprintf("SEP4020 ethernet interface open!\n\r");
-    return RT_EOK;
+
+	return RT_EOK;
 }
 
 static rt_err_t rt_dm9161_close(rt_device_t dev)
@@ -493,28 +507,28 @@ static rt_err_t rt_dm9161_close(rt_device_t dev)
 	/* Disable MAC interrupts */
 	sep_emac_write(MAC_INTMASK,0);  //屏蔽中断
 
-	
 //	INT_DISABLE(28);
 	
-    return RT_EOK;
+	return RT_EOK;
 }
 
 static rt_size_t rt_dm9161_read(rt_device_t dev, rt_off_t pos, void* buffer, rt_size_t size)
 {
-    rt_set_errno(-RT_ENOSYS);
-    return 0;
+	rt_set_errno(-RT_ENOSYS);
+
+	return 0;
 }
 
 static rt_size_t rt_dm9161_write (rt_device_t dev, rt_off_t pos, const void* buffer, rt_size_t size)
 {
-    rt_set_errno(-RT_ENOSYS);
-    return 0;
+	rt_set_errno(-RT_ENOSYS);
+
+	return 0;
 }
 
 static rt_err_t rt_dm9161_control(rt_device_t dev, rt_uint8_t cmd, void *args)
 {
-
-    return RT_EOK;
+	return RT_EOK;
 }
 
 /* ethernet device interface */
@@ -527,26 +541,26 @@ rt_err_t rt_dm9161_tx( rt_device_t dev, struct pbuf* p)
 	unsigned long  address;
 	unsigned long tmp_tx_bd;
 
-    /* lock DM9000 device */
-//    rt_sem_take(&sem_lock, RT_WAITING_FOREVER);
+	/* lock DM9000 device */
+//	rt_sem_take(&sem_lock, RT_WAITING_FOREVER);
 
-    /* disable dm9000a interrupt */
-    #warning SHOULD DISABLE INTEERUPT?
+	/* disable dm9000a interrupt */
+	#warning SHOULD DISABLE INTEERUPT?
 
 	/*Search for available BD*/
-	for(i = 0;i<MAX_TX_DESCR;)
+	for (i = 0;i<MAX_TX_DESCR;)
 	{
 		address	= MAC_TX_BD + i*8;
 		tmp_tx_bd = sep_emac_read(address);
-		if(!(tmp_tx_bd & 0x8000))
+		if (!(tmp_tx_bd & 0x8000))
 		{
-			if(i == (MAX_TX_DESCR-1)) 
+			if (i == (MAX_TX_DESCR-1)) 
 				i = 0;
 			else 
 				i = i+1;
 			break;
 		}
-		if(i == MAX_TX_DESCR-1) 
+		if (i == MAX_TX_DESCR-1) 
 			i = 0;
 		else 
 			i++;
@@ -564,7 +578,7 @@ rt_err_t rt_dm9161_tx( rt_device_t dev, struct pbuf* p)
 
 	length = length << 16;
 
-	if(i == MAX_TX_DESCR - 1)
+	if (i == MAX_TX_DESCR - 1)
 		length |= 0xb800;
 	else 
 		length |= 0x9800;
@@ -579,10 +593,10 @@ rt_err_t rt_dm9161_tx( rt_device_t dev, struct pbuf* p)
 	/* unlock DM9000 device */
 //    rt_sem_release(&sem_lock);
 
-    /* wait ack */
+	/* wait ack */
 //    rt_sem_take(&sem_ack, RT_WAITING_FOREVER);
 
-    return RT_EOK;
+	return RT_EOK;
 }
 
 /* reception packet. */
@@ -595,36 +609,36 @@ struct pbuf *rt_dm9161_rx(rt_device_t dev)
 	struct pbuf* p = RT_NULL;
 
 	/* lock DM9000 device */
-    rt_sem_take(&sem_lock, RT_WAITING_FOREVER);
+	rt_sem_take(&sem_lock, RT_WAITING_FOREVER);
 
-	while(1)
+	while (1)
 	{
 	
 		address = MAC_TX_BD +  (MAX_TX_DESCR + i) * 8;
 		temp_rx_bd = sep_emac_read(address);
 	
-		if(!(temp_rx_bd & 0x8000))
+		if (!(temp_rx_bd & 0x8000))
 		{
 			length = temp_rx_bd;
 			length = length >> 16;
-	
-			p_recv = (unsigned char*)(ESRAM_BASE + (MAX_TX_DESCR + i) * 0x600);
+
+			p_recv = (unsigned char *)(ESRAM_BASE + (MAX_TX_DESCR + i) * 0x600);
 			p = pbuf_alloc(PBUF_LINK,length,PBUF_RAM);
-			if(p != RT_NULL)
+			if (p != RT_NULL)
 			{
-				struct pbuf* q;
+				struct pbuf *q;
 				rt_int32_t len;
-	
-				for(q = p;q != RT_NULL;q = q->next)
+
+				for (q = p; q != RT_NULL; q = q->next)
 				{
-					rt_memcpy((rt_uint8_t*)(q->payload),p_recv,q->len);
+					rt_memcpy((rt_uint8_t *)(q->payload),p_recv,q->len);
 				}
 			}
 			else
 			{
 				 rt_kprintf("Droping %d packet \n",length);
 			}
-	
+
 			if(i == (MAX_RX_DESCR-1))
 			{
 				sep_emac_write(address,0xe000);
@@ -640,51 +654,49 @@ struct pbuf *rt_dm9161_rx(rt_device_t dev)
 			break;
 	}
 
-	 rt_sem_release(&sem_lock);
+	rt_sem_release(&sem_lock);
 
-	
 	return p;
 }
 
-
 void rt_hw_dm9161_init()
 {
 	rt_sem_init(&sem_ack, "tx_ack", 1, RT_IPC_FLAG_FIFO);
-    rt_sem_init(&sem_lock, "eth_lock", 1, RT_IPC_FLAG_FIFO);
+	rt_sem_init(&sem_lock, "eth_lock", 1, RT_IPC_FLAG_FIFO);
 
-    dm9161_device.type  = TYPE_DM9161;
+	dm9161_device.type  = TYPE_DM9161;
 	dm9161_device.mode	= DM9161_AUTO;
 	dm9161_device.packet_cnt = 0;
 	dm9161_device.queue_packet_len = 0;
 
-    /*
-     * SRAM Tx/Rx pointer automatically return to start address,
-     * Packet Transmitted, Packet Received
-     */
+	/*
+	 * SRAM Tx/Rx pointer automatically return to start address,
+	 * Packet Transmitted, Packet Received
+	 */
 	#warning NOTICE:
-    //dm9161_device.imr_all = IMR_PAR | IMR_PTM | IMR_PRM;
+	//dm9161_device.imr_all = IMR_PAR | IMR_PTM | IMR_PRM;
 
-    dm9161_device.dev_addr[0] = 0x01;
-    dm9161_device.dev_addr[1] = 0x60;
-    dm9161_device.dev_addr[2] = 0x6E;
-    dm9161_device.dev_addr[3] = 0x11;
-    dm9161_device.dev_addr[4] = 0x02;
-    dm9161_device.dev_addr[5] = 0x0F;
+	dm9161_device.dev_addr[0] = 0x01;
+	dm9161_device.dev_addr[1] = 0x60;
+	dm9161_device.dev_addr[2] = 0x6E;
+	dm9161_device.dev_addr[3] = 0x11;
+	dm9161_device.dev_addr[4] = 0x02;
+	dm9161_device.dev_addr[5] = 0x0F;
 
-    dm9161_device.parent.parent.init       = rt_dm9161_init;
-    dm9161_device.parent.parent.open       = rt_dm9161_open;
-    dm9161_device.parent.parent.close      = rt_dm9161_close;
-    dm9161_device.parent.parent.read       = rt_dm9161_read;
-    dm9161_device.parent.parent.write      = rt_dm9161_write;
-    dm9161_device.parent.parent.control    = rt_dm9161_control;
-    dm9161_device.parent.parent.user_data  = RT_NULL;
+	dm9161_device.parent.parent.init       = rt_dm9161_init;
+	dm9161_device.parent.parent.open       = rt_dm9161_open;
+	dm9161_device.parent.parent.close      = rt_dm9161_close;
+	dm9161_device.parent.parent.read       = rt_dm9161_read;
+	dm9161_device.parent.parent.write      = rt_dm9161_write;
+	dm9161_device.parent.parent.control    = rt_dm9161_control;
+	dm9161_device.parent.parent.user_data  = RT_NULL;
 
-    dm9161_device.parent.eth_rx     = rt_dm9161_rx;
-    dm9161_device.parent.eth_tx     = rt_dm9161_tx;
+	dm9161_device.parent.eth_rx     = rt_dm9161_rx;
+	dm9161_device.parent.eth_tx     = rt_dm9161_tx;
 
-    eth_device_init(&(dm9161_device.parent), "e0");
+	eth_device_init(&(dm9161_device.parent), "e0");
 
-    /* instal interrupt */
+	/* instal interrupt */
 	#warning TODO
 	//rt_hw_interrupt_install(INTEINT4_7, rt_dm9161_isr, RT_NULL);
 	//rt_hw_interrupt_umask(INTEINT4_7);
diff --git a/bsp/mini4020/dm9161.h b/bsp/mini4020/drivers/dm9161.h
similarity index 81%
rename from bsp/mini4020/dm9161.h
rename to bsp/mini4020/drivers/dm9161.h
index e8c2faa1a9c2bbbc2186a352db4a09f5cb91544f..a0b82767628105b78294d5d4de3f6dbfd628e522 100644
--- a/bsp/mini4020/dm9161.h
+++ b/bsp/mini4020/drivers/dm9161.h
@@ -1,3 +1,16 @@
+/*
+ * File      : dm9161.h
+ * This file is part of RT-Thread RTOS
+ * COPYRIGHT (C) 2009 - 2012, RT-Thread Development Team
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rt-thread.org/license/LICENSE
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ */
+
 #ifndef __DM9000_H__
 #define __DM9000_H__
 
diff --git a/bsp/mini4020/drivers/lcd.c b/bsp/mini4020/drivers/lcd.c
new file mode 100644
index 0000000000000000000000000000000000000000..dec95781c397f0379b3eedfc4f2184478fe9abdf
--- /dev/null
+++ b/bsp/mini4020/drivers/lcd.c
@@ -0,0 +1,74 @@
+/*
+ * File      : lcd.c
+ * This file is part of RT-Thread RTOS
+ * COPYRIGHT (C) 2009 - 2012, RT-Thread Development Team
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rt-thread.org/license/LICENSE
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ */
+
+#include "lcdc.h"
+#include "rtthread.h"
+#include "board.h"
+
+#include <rtgui/rtgui.h>
+#include <rtgui/driver.h>
+#include <rtgui/rtgui_server.h>
+#include <rtgui/rtgui_system.h>
+
+extern rt_err_t sep4020_lcd_init(void);
+extern unsigned long pVideoBuffer;
+
+struct rtgui_graphic_driver _rtgui_lcd_driver;
+struct rtgui_graphic_driver_ops _rtgui_graphic_driver_ops;
+
+void radio_rtgui_init(void)
+{
+    rtgui_rect_t rect;
+    rtgui_system_server_init();
+
+    /* register dock panel */
+    rect.x1 = 0;
+    rect.y1 = 0;
+    rect.x2 = 320;
+    rect.y2 = 25;
+    rtgui_panel_register("info", &rect);
+    rtgui_panel_set_nofocused("info");
+
+    /* register main panel */
+    rect.x1 = 0;
+    rect.y1 = 25;
+    rect.x2 = 320;
+    rect.y2 = 240;
+    rtgui_panel_register("main", &rect);
+    rtgui_panel_set_default_focused("main");
+
+    _rtgui_graphic_driver_ops.set_pixel=lcd_set_pixel;
+    _rtgui_graphic_driver_ops.get_pixel=lcd_get_pixel;
+    _rtgui_graphic_driver_ops.draw_hline=lcd_draw_hline;
+    _rtgui_graphic_driver_ops.draw_vline=lcd_draw_vline;
+    _rtgui_graphic_driver_ops.draw_raw_hline=lcd_draw_raw_hline;
+
+    _rtgui_lcd_driver.bits_per_pixel  = 16;
+    _rtgui_lcd_driver.width           = 320;
+    _rtgui_lcd_driver.height          = 240;
+        
+    _rtgui_lcd_driver.ops = &_rtgui_graphic_driver_ops;
+
+    //_rtgui_lcd_driver.screen_update   = lcd_update;
+    //_rtgui_lcd_driver.get_framebuffer = lcd_get_framebuffer;
+
+    sep4020_lcd_init();
+
+    rt_memset((char*)pVideoBuffer,0xff,320*240*2);
+    //rt_memcpy((char*)pVideoBuffer,pic,320*240*2);  //TESTING IMAGE
+
+    //此处待修正
+    /* add lcd driver into graphic driver */
+    // rtgui_graphic_driver_add(&_rtgui_lcd_driver);
+}
+
diff --git a/bsp/mini4020/lcdc.c b/bsp/mini4020/drivers/lcdc.c
similarity index 50%
rename from bsp/mini4020/lcdc.c
rename to bsp/mini4020/drivers/lcdc.c
index 4033ea17fcc5c47f9ba8848cda558a530bfa5a96..0eedb91421e0627e66a6734e5004dcf266d7c573 100644
--- a/bsp/mini4020/lcdc.c
+++ b/bsp/mini4020/drivers/lcdc.c
@@ -1,54 +1,58 @@
+/*
+ * File      : lcdc.c
+ * This file is part of RT-Thread RTOS
+ * COPYRIGHT (C) 2009 - 2012, RT-Thread Development Team
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rt-thread.org/license/LICENSE
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ */
+
 #include "lcdc.h"
 #include <sep4020.h>
 
-
 #define writel(DATA,ADDRESS)  *((volatile rt_off_t *) ADDRESS)= DATA;
 
-
 unsigned long pVideoBuffer;
 
-rt_err_t  sep4020_lcd_init(void)
-{
-
-	pVideoBuffer =(unsigned long) rt_malloc(LCDWIDTH*LCDHEIGHT*2);
 
+rt_err_t sep4020_lcd_init(void)
+{
+    pVideoBuffer =(unsigned long)rt_malloc(LCDWIDTH * LCDHEIGHT * 2);
 
     *(RP)GPIO_PORTC_SEL  |= 0X0008;      //Portc8设置为通用口
     *(RP)GPIO_PORTC_DIR  &= (~0X0008);   //Portc8设置为输出
     *(RP)GPIO_PORTC_DATA |= 0X0008;      //Portc8输出高电平
 
-
-
-	writel(0x00000000,LCDC_LECR);  //禁用LCDC
-	writel(pVideoBuffer,LCDC_SSA);	//lcd数据帧的起始地址
-	writel(YMAX | XMAX,LCDC_SIZE);
-	writel(TFT|COLOR|PBSIZE|BPIX|PIXPOL|FLMPOL|LPPOL|CLKPOL|OEPOL|END_SEL|ACD_SEL|ACD|PCD,LCDC_PCR);
-	writel(H_WIDTH|H_WAIT_1|H_WAIT_2,LCDC_HCR);
-	writel(V_WIDTH|PASS_FRAME_WAIT|V_WAIT_1|V_WAIT_2,LCDC_VCR);
-	writel(SCR|CC_EN|PW,LCDC_PWMR);
-	writel(BL|HM|TM,LCDC_DMACR);
-	writel(0x00000001,LCDC_LECR);		  //使能LCDC
-	writel(0x00000000,LCDC_LCDISREN);	 //中断在加载帧的最后一个或第一个数据时设置，到LCD之间会有一个延时
-
-	return RT_EOK;
+    writel(0x00000000,LCDC_LECR);     //禁用LCDC
+    writel(pVideoBuffer,LCDC_SSA);    //lcd数据帧的起始地址
+    writel(YMAX | XMAX,LCDC_SIZE);
+    writel(TFT|COLOR|PBSIZE|BPIX|PIXPOL|FLMPOL|LPPOL|CLKPOL|OEPOL|END_SEL|ACD_SEL|ACD|PCD,LCDC_PCR);
+    writel(H_WIDTH|H_WAIT_1|H_WAIT_2,LCDC_HCR);
+    writel(V_WIDTH|PASS_FRAME_WAIT|V_WAIT_1|V_WAIT_2,LCDC_VCR);
+    writel(SCR|CC_EN|PW,LCDC_PWMR);
+    writel(BL|HM|TM,LCDC_DMACR);
+    writel(0x00000001,LCDC_LECR);         //使能LCDC
+    writel(0x00000000,LCDC_LCDISREN);     //中断在加载帧的最后一个或第一个数据时设置，到LCD之间会有一个延时
+
+    return RT_EOK;
 }
 
-
- void lcd_set_pixel(rtgui_color_t *c, int x,int y)
+void lcd_set_pixel(rtgui_color_t *c, int x, int y)
 {
     unsigned short p;
 
     /* get color pixel */
     p = rtgui_color_to_565p(*c);
 
-
-	*(unsigned short *)(pVideoBuffer+2*y*LCDWIDTH+2*x)=p;
+    *(unsigned short *)(pVideoBuffer + 2*y*LCDWIDTH + 2*x) = p;
 }
 
-
 void lcd_get_pixel(rtgui_color_t *c, int x, int y)
 {
-
     *c = rtgui_color_from_565p( *(unsigned short *)(pVideoBuffer+2*y*LCDWIDTH+2*x));
 }
 
@@ -59,12 +63,10 @@ void lcd_draw_hline(rtgui_color_t *c, int x1, int x2, int y)
     /* get color pixel */
     p = rtgui_color_to_565p(*c);
 
-
     while (x1 < x2)
     {
         *(unsigned short *)(pVideoBuffer+2*y*LCDWIDTH+2*x1)=p;
         x1 ++;
-
     }
 }
 
@@ -75,11 +77,9 @@ void lcd_draw_vline(rtgui_color_t *c, int x, int y1, int y2)
     /* get color pixel */
     p = rtgui_color_to_565p(*c);
 
-
     while (y1 < y2)
     {
-
-	    *(unsigned short *)(pVideoBuffer+2*y1*LCDWIDTH+2*x)=p;
+        *(unsigned short *)(pVideoBuffer+2*y1*LCDWIDTH+2*x)=p;
         y1 ++;
     }
 }
@@ -91,7 +91,6 @@ void lcd_draw_raw_hline(rt_uint8_t *pixels, int x1, int x2, int y)
     /* get pixel */
     ptr = (rt_uint16_t*) pixels;
 
-
     while (x1 < x2)
     {
         *(unsigned short *)(pVideoBuffer+2*y*LCDWIDTH+2*x1)=*ptr;
@@ -105,7 +104,7 @@ void lcd_update(rtgui_rect_t *rect)
     /* nothing for none-DMA mode driver */
 }
 
-rt_uint8_t * lcd_get_framebuffer(void)
+rt_uint8_t *lcd_get_framebuffer(void)
 {
     return RT_NULL; /* no framebuffer driver */
 }
diff --git a/bsp/mini4020/lcdc.h b/bsp/mini4020/drivers/lcdc.h
similarity index 83%
rename from bsp/mini4020/lcdc.h
rename to bsp/mini4020/drivers/lcdc.h
index 3b6c7911072e3381d74811c5797a20a0abe0dd6b..cb3535b20c4ae4c4bde11d1930b28e97d22383a4 100644
--- a/bsp/mini4020/lcdc.h
+++ b/bsp/mini4020/drivers/lcdc.h
@@ -1,3 +1,16 @@
+/*
+ * File      : lcdc.h
+ * This file is part of RT-Thread RTOS
+ * COPYRIGHT (C) 2009 - 2012, RT-Thread Development Team
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rt-thread.org/license/LICENSE
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ */
+
 #ifndef LCD_GENERAL_H_INCLUDED
 #define LCD_GENERAL_H_INCLUDED
 
diff --git a/bsp/mini4020/mii.h b/bsp/mini4020/drivers/mii.h
similarity index 94%
rename from bsp/mini4020/mii.h
rename to bsp/mini4020/drivers/mii.h
index 349b8db309f81fdbd53ccd10471c9e4663f03d0c..281921934cd92c11214698486fc7b40fe807f28f 100644
--- a/bsp/mini4020/mii.h
+++ b/bsp/mini4020/drivers/mii.h
@@ -1,3 +1,15 @@
+/*
+ * File      : mii.h
+ * This file is part of RT-Thread RTOS
+ * COPYRIGHT (C) 2009 - 2012, RT-Thread Development Team
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rt-thread.org/license/LICENSE
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ */
 
 #ifndef __MII_H__
 #define __MII_H__
diff --git a/bsp/mini4020/sdcard.c b/bsp/mini4020/drivers/sdcard.c
similarity index 95%
rename from bsp/mini4020/sdcard.c
rename to bsp/mini4020/drivers/sdcard.c
index d2357e4175be379c40e9770d6f0cde66fd6ef4c2..4e4ed961e2eedadd4cfc649fc8e9256e0a0a2439 100644
--- a/bsp/mini4020/sdcard.c
+++ b/bsp/mini4020/drivers/sdcard.c
@@ -1,7 +1,7 @@
 /*
  * File      : sdcard.c
  * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006, 2007, RT-Thread Develop Team
+ * COPYRIGHT (C) 2007 - 2012, RT-Thread Development Team
  *
  * The license and distribution terms for this file may be
  * found in the file LICENSE in this distribution or at
diff --git a/bsp/mini4020/sdcard.h b/bsp/mini4020/drivers/sdcard.h
similarity index 68%
rename from bsp/mini4020/sdcard.h
rename to bsp/mini4020/drivers/sdcard.h
index f4b1ba10aa34c1bc4b2e7e4634c3032bd1a632b3..4a499846f853d2802118cd392dc5553fa0a4fc98 100644
--- a/bsp/mini4020/sdcard.h
+++ b/bsp/mini4020/drivers/sdcard.h
@@ -1,3 +1,15 @@
+/*
+ * File      : sdcard.h
+ * This file is part of RT-Thread RTOS
+ * COPYRIGHT (C) 2009 - 2012, RT-Thread Development Team
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rt-thread.org/license/LICENSE
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ */
 
 #ifndef __SDCARD_H
 #define __SDCARD_H
@@ -15,8 +27,8 @@
 /*struct of the SDC*/
 struct 	sd_c
 {
- 	__IO rt_uint32_t	clk_ctl;  		 
- 	__IO rt_uint32_t	soft_rst;
+	__IO rt_uint32_t	clk_ctl;
+	__IO rt_uint32_t	soft_rst;
 	__IO rt_uint32_t	arg;
 	__IO rt_uint32_t	cmd;
 	__IO rt_uint32_t	blk_sz;
@@ -44,8 +56,6 @@ struct	sd_device
 	rt_uint32_t		buf_size;	/*buffer size*/
 };
 
-
-
 #endif
 #endif
 
diff --git a/bsp/mini4020/lcd.c b/bsp/mini4020/lcd.c
deleted file mode 100644
index 93080abae1130a02d935ca9e8715e4835684cdc6..0000000000000000000000000000000000000000
--- a/bsp/mini4020/lcd.c
+++ /dev/null
@@ -1,69 +0,0 @@
-#include "lcdc.h"
-#include "rtthread.h"
-#include "board.h"
-
-#include <rtgui/rtgui.h>
-#include <rtgui/driver.h>
-#include <rtgui/rtgui_server.h>
-#include <rtgui/rtgui_system.h>
-extern rt_err_t sep4020_lcd_init(void);
-extern unsigned long pVideoBuffer;
-
-
-struct rtgui_graphic_driver _rtgui_lcd_driver;
-struct rtgui_graphic_driver_ops  _rtgui_graphic_driver_ops;
-
-void radio_rtgui_init(void)
-{
-    rtgui_rect_t rect;
-//	rtgui_color_t c=0xff;
-    rtgui_system_server_init();
-
-    /* register dock panel */
-    rect.x1 = 0;
-    rect.y1 = 0;
-    rect.x2 = 320;
-    rect.y2 = 25;
-    rtgui_panel_register("info", &rect);
-    rtgui_panel_set_nofocused("info");
-
-    /* register main panel */
-    rect.x1 = 0;
-    rect.y1 = 25;
-    rect.x2 = 320;
-    rect.y2 = 240;
-    rtgui_panel_register("main", &rect);
-    rtgui_panel_set_default_focused("main");
-
-_rtgui_graphic_driver_ops.set_pixel=lcd_set_pixel;
-
-_rtgui_graphic_driver_ops.get_pixel=lcd_get_pixel;
-_rtgui_graphic_driver_ops.draw_hline=lcd_draw_hline;
-_rtgui_graphic_driver_ops.draw_vline=lcd_draw_vline;
-_rtgui_graphic_driver_ops.draw_raw_hline=lcd_draw_raw_hline;
-
-
-        _rtgui_lcd_driver.bits_per_pixel  = 16;
-        _rtgui_lcd_driver.width           = 320;
-        _rtgui_lcd_driver.height          = 240;
-        
-        _rtgui_lcd_driver.ops = &_rtgui_graphic_driver_ops;
-
-      //  _rtgui_lcd_driver.screen_update   = lcd_update;
-       // _rtgui_lcd_driver.get_framebuffer = lcd_get_framebuffer;
-
-        sep4020_lcd_init();
-
-	  rt_memset((char*)pVideoBuffer,0xff,320*240*2);
-	//	rt_memcpy((char*)pVideoBuffer,pic,320*240*2);  //TESTING IMAGE
-
-	 //此处待修正
-    /* add lcd driver into graphic driver */
-   // rtgui_graphic_driver_add(&_rtgui_lcd_driver);
-
-
-
-
-	
-}
-
diff --git a/bsp/mini4020/project.Uv2 b/bsp/mini4020/project.Uv2
index e6004239638f1aaa18a7d17e5cdb911b47ff0fd8..49f40d07e0c93b30a194ce080b1daae1c73cd9c4 100644
--- a/bsp/mini4020/project.Uv2
+++ b/bsp/mini4020/project.Uv2
@@ -3,160 +3,96 @@
 
 Target (RT-Thread_Mini4020), 0x0004 // Tools: 'ARM-ADS'
 
-Group (Startup)
+Group (Applications)
+Group (Drivers)
 Group (Kernel)
 Group (SEP4020)
 Group (Filesystem)
 Group (finsh)
 Group (LwIP)
-Group (RTGUI)
 
-File 1,1,<.\application.c><application.c>
-File 1,1,<.\board.c><board.c>
-File 1,1,<.\dm9161.c><dm9161.c>
-File 1,1,<.\lcd.c><lcd.c>
-File 1,1,<.\lcdc.c><lcdc.c>
-File 1,1,<.\sdcard.c><sdcard.c>
-File 1,1,<.\startup.c><startup.c>
-File 2,1,<..\..\src\clock.c><clock.c>
-File 2,1,<..\..\src\device.c><device.c>
-File 2,1,<..\..\src\idle.c><idle.c>
-File 2,1,<..\..\src\ipc.c><ipc.c>
-File 2,1,<..\..\src\irq.c><irq.c>
-File 2,1,<..\..\src\kservice.c><kservice.c>
-File 2,1,<..\..\src\memheap.c><memheap.c>
-File 2,1,<..\..\src\mempool.c><mempool.c>
-File 2,1,<..\..\src\object.c><object.c>
-File 2,1,<..\..\src\scheduler.c><scheduler.c>
-File 2,1,<..\..\src\slab.c><slab.c>
-File 2,1,<..\..\src\thread.c><thread.c>
-File 2,1,<..\..\src\timer.c><timer.c>
-File 3,1,<..\..\libcpu\arm\sep4020\clk.c><clk.c>
-File 3,1,<..\..\libcpu\arm\sep4020\cpu.c><cpu.c>
-File 3,1,<..\..\libcpu\arm\sep4020\interrupt.c><interrupt.c>
-File 3,1,<..\..\libcpu\arm\sep4020\serial.c><serial.c>
-File 3,1,<..\..\libcpu\arm\sep4020\stack.c><stack.c>
-File 3,1,<..\..\libcpu\arm\sep4020\trap.c><trap.c>
-File 3,2,<..\..\libcpu\arm\sep4020\context_rvds.S><context_rvds.S>
-File 3,2,<..\..\libcpu\arm\sep4020\start_rvds.S><start_rvds.S>
-File 3,1,<..\..\libcpu\arm\common\backtrace.c><backtrace.c>
-File 3,1,<..\..\libcpu\arm\common\div0.c><div0.c>
-File 3,1,<..\..\libcpu\arm\common\showmem.c><showmem.c>
-File 4,1,<..\..\components\dfs\src\dfs.c><dfs.c>
-File 4,1,<..\..\components\dfs\src\dfs_fs.c><dfs_fs.c>
-File 4,1,<..\..\components\dfs\src\dfs_file.c><dfs_file.c>
-File 4,1,<..\..\components\dfs\src\dfs_posix.c><dfs_posix.c>
-File 4,1,<..\..\components\dfs\filesystems\elmfat\dfs_elm.c><dfs_elm.c>
-File 4,1,<..\..\components\dfs\filesystems\elmfat\ff.c><ff.c>
-File 5,1,<..\..\components\finsh\cmd.c><cmd.c>
-File 5,1,<..\..\components\finsh\finsh_compiler.c><finsh_compiler.c>
-File 5,1,<..\..\components\finsh\finsh_error.c><finsh_error.c>
-File 5,1,<..\..\components\finsh\finsh_heap.c><finsh_heap.c>
-File 5,1,<..\..\components\finsh\finsh_init.c><finsh_init.c>
-File 5,1,<..\..\components\finsh\finsh_node.c><finsh_node.c>
-File 5,1,<..\..\components\finsh\finsh_ops.c><finsh_ops.c>
-File 5,1,<..\..\components\finsh\finsh_parser.c><finsh_parser.c>
-File 5,1,<..\..\components\finsh\finsh_token.c><finsh_token.c>
-File 5,1,<..\..\components\finsh\finsh_var.c><finsh_var.c>
-File 5,1,<..\..\components\finsh\finsh_vm.c><finsh_vm.c>
-File 5,1,<..\..\components\finsh\shell.c><shell.c>
-File 5,1,<..\..\components\finsh\symbol.c><symbol.c>
-File 6,1,<..\..\components\net\lwip\src\api\api_lib.c><api_lib.c>
-File 6,1,<..\..\components\net\lwip\src\api\api_msg.c><api_msg.c>
-File 6,1,<..\..\components\net\lwip\src\api\err.c><err.c>
-File 6,1,<..\..\components\net\lwip\src\api\netbuf.c><netbuf.c>
-File 6,1,<..\..\components\net\lwip\src\api\netdb.c><netdb.c>
-File 6,1,<..\..\components\net\lwip\src\api\netifapi.c><netifapi.c>
-File 6,1,<..\..\components\net\lwip\src\api\sockets.c><sockets.c>
-File 6,1,<..\..\components\net\lwip\src\api\tcpip.c><tcpip.c>
-File 6,1,<..\..\components\net\lwip\src\arch\sys_arch.c><sys_arch.c>
-File 6,1,<..\..\components\net\lwip\src\core\def.c><def.c>
-File 6,1,<..\..\components\net\lwip\src\core\dhcp.c><dhcp.c>
-File 6,1,<..\..\components\net\lwip\src\core\dns.c><dns.c>
-File 6,1,<..\..\components\net\lwip\src\core\init.c><init.c>
-File 6,1,<..\..\components\net\lwip\src\core\memp.c><memp.c>
-File 6,1,<..\..\components\net\lwip\src\core\netif.c><netif.c>
-File 6,1,<..\..\components\net\lwip\src\core\pbuf.c><pbuf.c>
-File 6,1,<..\..\components\net\lwip\src\core\raw.c><raw.c>
-File 6,1,<..\..\components\net\lwip\src\core\stats.c><stats.c>
-File 6,1,<..\..\components\net\lwip\src\core\sys.c><sys.c>
-File 6,1,<..\..\components\net\lwip\src\core\tcp.c><tcp.c>
-File 6,1,<..\..\components\net\lwip\src\core\tcp_in.c><tcp_in.c>
-File 6,1,<..\..\components\net\lwip\src\core\tcp_out.c><tcp_out.c>
-File 6,1,<..\..\components\net\lwip\src\core\timers.c><timers.c>
-File 6,1,<..\..\components\net\lwip\src\core\udp.c><udp.c>
-File 6,1,<..\..\components\net\lwip\src\core\ipv4\autoip.c><autoip.c>
-File 6,1,<..\..\components\net\lwip\src\core\ipv4\icmp.c><icmp.c>
-File 6,1,<..\..\components\net\lwip\src\core\ipv4\igmp.c><igmp.c>
-File 6,1,<..\..\components\net\lwip\src\core\ipv4\inet.c><inet.c>
-File 6,1,<..\..\components\net\lwip\src\core\ipv4\inet_chksum.c><inet_chksum.c>
-File 6,1,<..\..\components\net\lwip\src\core\ipv4\ip.c><ip.c>
-File 6,1,<..\..\components\net\lwip\src\core\ipv4\ip_addr.c><ip_addr.c>
-File 6,1,<..\..\components\net\lwip\src\core\ipv4\ip_frag.c><ip_frag.c>
-File 6,1,<..\..\components\net\lwip\src\netif\etharp.c><etharp.c>
-File 6,1,<..\..\components\net\lwip\src\netif\ethernetif.c><ethernetif.c>
-File 6,1,<..\..\components\net\lwip\src\netif\slipif.c><slipif.c>
-File 7,1,<..\..\components\rtgui\common\blit.c><blit.c>
-File 7,1,<..\..\components\rtgui\common\color.c><color.c>
-File 7,1,<..\..\components\rtgui\common\region.c><region.c>
-File 7,1,<..\..\components\rtgui\common\rtgui_object.c><rtgui_object.c>
-File 7,1,<..\..\components\rtgui\common\rtgui_system.c><rtgui_system.c>
-File 7,1,<..\..\components\rtgui\common\rtgui_theme.c><rtgui_theme.c>
-File 7,1,<..\..\components\rtgui\common\rtgui_xml.c><rtgui_xml.c>
-File 7,1,<..\..\components\rtgui\common\dc.c><dc.c>
-File 7,1,<..\..\components\rtgui\common\dc_hw.c><dc_hw.c>
-File 7,1,<..\..\components\rtgui\common\dc_buffer.c><dc_buffer.c>
-File 7,1,<..\..\components\rtgui\common\dc_client.c><dc_client.c>
-File 7,1,<..\..\components\rtgui\common\filerw.c><filerw.c>
-File 7,1,<..\..\components\rtgui\common\image.c><image.c>
-File 7,1,<..\..\components\rtgui\common\image_xpm.c><image_xpm.c>
-File 7,1,<..\..\components\rtgui\common\image_hdc.c><image_hdc.c>
-File 7,1,<..\..\components\rtgui\common\image_bmp.c><image_bmp.c>
-File 7,1,<..\..\components\rtgui\common\image_png.c><image_png.c>
-File 7,1,<..\..\components\rtgui\common\image_jpg.c><image_jpg.c>
-File 7,1,<..\..\components\rtgui\common\image_container.c><image_container.c>
-File 7,1,<..\..\components\rtgui\common\font.c><font.c>
-File 7,1,<..\..\components\rtgui\common\font_bmp.c><font_bmp.c>
-File 7,1,<..\..\components\rtgui\common\font_hz_file.c><font_hz_file.c>
-File 7,1,<..\..\components\rtgui\common\font_hz_bmp.c><font_hz_bmp.c>
-File 7,1,<..\..\components\rtgui\common\asc12font.c><asc12font.c>
-File 7,1,<..\..\components\rtgui\common\asc16font.c><asc16font.c>
-File 7,1,<..\..\components\rtgui\common\hz12font.c><hz12font.c>
-File 7,1,<..\..\components\rtgui\common\hz16font.c><hz16font.c>
-File 7,1,<..\..\components\rtgui\common\framebuffer_driver.c><framebuffer_driver.c>
-File 7,1,<..\..\components\rtgui\common\pixel_driver.c><pixel_driver.c>
-File 7,1,<..\..\components\rtgui\server\driver.c><driver.c>
-File 7,1,<..\..\components\rtgui\server\mouse.c><mouse.c>
-File 7,1,<..\..\components\rtgui\server\panel.c><panel.c>
-File 7,1,<..\..\components\rtgui\server\server.c><server.c>
-File 7,1,<..\..\components\rtgui\server\topwin.c><topwin.c>
-File 7,1,<..\..\components\rtgui\widgets\box.c><box.c>
-File 7,1,<..\..\components\rtgui\widgets\button.c><button.c>
-File 7,1,<..\..\components\rtgui\widgets\checkbox.c><checkbox.c>
-File 7,1,<..\..\components\rtgui\widgets\container.c><container.c>
-File 7,1,<..\..\components\rtgui\widgets\combobox.c><combobox.c>
-File 7,1,<..\..\components\rtgui\widgets\iconbox.c><iconbox.c>
-File 7,1,<..\..\components\rtgui\widgets\label.c><label.c>
-File 7,1,<..\..\components\rtgui\widgets\textview.c><textview.c>
-File 7,1,<..\..\components\rtgui\widgets\listctrl.c><listctrl.c>
-File 7,1,<..\..\components\rtgui\widgets\menu.c><menu.c>
-File 7,1,<..\..\components\rtgui\widgets\progressbar.c><progressbar.c>
-File 7,1,<..\..\components\rtgui\widgets\radiobox.c><radiobox.c>
-File 7,1,<..\..\components\rtgui\widgets\slider.c><slider.c>
-File 7,1,<..\..\components\rtgui\widgets\scrollbar.c><scrollbar.c>
-File 7,1,<..\..\components\rtgui\widgets\staticline.c><staticline.c>
-File 7,1,<..\..\components\rtgui\widgets\textbox.c><textbox.c>
-File 7,1,<..\..\components\rtgui\widgets\listbox.c><listbox.c>
-File 7,1,<..\..\components\rtgui\widgets\title.c><title.c>
-File 7,1,<..\..\components\rtgui\widgets\toplevel.c><toplevel.c>
-File 7,1,<..\..\components\rtgui\widgets\notebook.c><notebook.c>
-File 7,1,<..\..\components\rtgui\widgets\view.c><view.c>
-File 7,1,<..\..\components\rtgui\widgets\list_view.c><list_view.c>
-File 7,1,<..\..\components\rtgui\widgets\about_view.c><about_view.c>
-File 7,1,<..\..\components\rtgui\widgets\filelist_view.c><filelist_view.c>
-File 7,1,<..\..\components\rtgui\widgets\widget.c><widget.c>
-File 7,1,<..\..\components\rtgui\widgets\window.c><window.c>
-File 7,1,<..\..\components\rtgui\widgets\workbench.c><workbench.c>
+File 1,1,<applications\application.c><application.c>
+File 1,1,<applications\startup.c><startup.c>
+File 2,1,<drivers\board.c><board.c>
+File 2,1,<drivers\dm9161.c><dm9161.c>
+File 2,1,<drivers\sdcard.c><sdcard.c>
+File 3,1,<..\..\src\clock.c><clock.c>
+File 3,1,<..\..\src\device.c><device.c>
+File 3,1,<..\..\src\idle.c><idle.c>
+File 3,1,<..\..\src\ipc.c><ipc.c>
+File 3,1,<..\..\src\irq.c><irq.c>
+File 3,1,<..\..\src\kservice.c><kservice.c>
+File 3,1,<..\..\src\mempool.c><mempool.c>
+File 3,1,<..\..\src\object.c><object.c>
+File 3,1,<..\..\src\scheduler.c><scheduler.c>
+File 3,1,<..\..\src\slab.c><slab.c>
+File 3,1,<..\..\src\thread.c><thread.c>
+File 3,1,<..\..\src\timer.c><timer.c>
+File 4,1,<..\..\libcpu\arm\sep4020\clk.c><clk.c>
+File 4,1,<..\..\libcpu\arm\sep4020\cpu.c><cpu.c>
+File 4,1,<..\..\libcpu\arm\sep4020\interrupt.c><interrupt.c>
+File 4,1,<..\..\libcpu\arm\sep4020\serial.c><serial.c>
+File 4,1,<..\..\libcpu\arm\sep4020\stack.c><stack.c>
+File 4,1,<..\..\libcpu\arm\sep4020\trap.c><trap.c>
+File 4,2,<..\..\libcpu\arm\sep4020\context_rvds.S><context_rvds.S>
+File 4,2,<..\..\libcpu\arm\sep4020\start_rvds.S><start_rvds.S>
+File 4,1,<..\..\libcpu\arm\common\backtrace.c><backtrace.c>
+File 4,1,<..\..\libcpu\arm\common\div0.c><div0.c>
+File 4,1,<..\..\libcpu\arm\common\showmem.c><showmem.c>
+File 5,1,<..\..\components\dfs\src\dfs.c><dfs.c>
+File 5,1,<..\..\components\dfs\src\dfs_fs.c><dfs_fs.c>
+File 5,1,<..\..\components\dfs\src\dfs_file.c><dfs_file.c>
+File 5,1,<..\..\components\dfs\src\dfs_posix.c><dfs_posix.c>
+File 5,1,<..\..\components\dfs\filesystems\elmfat\dfs_elm.c><dfs_elm.c>
+File 5,1,<..\..\components\dfs\filesystems\elmfat\ff.c><ff.c>
+File 6,1,<..\..\components\finsh\cmd.c><cmd.c>
+File 6,1,<..\..\components\finsh\finsh_compiler.c><finsh_compiler.c>
+File 6,1,<..\..\components\finsh\finsh_error.c><finsh_error.c>
+File 6,1,<..\..\components\finsh\finsh_heap.c><finsh_heap.c>
+File 6,1,<..\..\components\finsh\finsh_init.c><finsh_init.c>
+File 6,1,<..\..\components\finsh\finsh_node.c><finsh_node.c>
+File 6,1,<..\..\components\finsh\finsh_ops.c><finsh_ops.c>
+File 6,1,<..\..\components\finsh\finsh_parser.c><finsh_parser.c>
+File 6,1,<..\..\components\finsh\finsh_token.c><finsh_token.c>
+File 6,1,<..\..\components\finsh\finsh_var.c><finsh_var.c>
+File 6,1,<..\..\components\finsh\finsh_vm.c><finsh_vm.c>
+File 6,1,<..\..\components\finsh\shell.c><shell.c>
+File 6,1,<..\..\components\finsh\symbol.c><symbol.c>
+File 7,1,<..\..\components\net\lwip\src\api\api_lib.c><api_lib.c>
+File 7,1,<..\..\components\net\lwip\src\api\api_msg.c><api_msg.c>
+File 7,1,<..\..\components\net\lwip\src\api\err.c><err.c>
+File 7,1,<..\..\components\net\lwip\src\api\netbuf.c><netbuf.c>
+File 7,1,<..\..\components\net\lwip\src\api\netdb.c><netdb.c>
+File 7,1,<..\..\components\net\lwip\src\api\netifapi.c><netifapi.c>
+File 7,1,<..\..\components\net\lwip\src\api\sockets.c><sockets.c>
+File 7,1,<..\..\components\net\lwip\src\api\tcpip.c><tcpip.c>
+File 7,1,<..\..\components\net\lwip\src\arch\sys_arch.c><sys_arch.c>
+File 7,1,<..\..\components\net\lwip\src\core\def.c><def.c>
+File 7,1,<..\..\components\net\lwip\src\core\dhcp.c><dhcp.c>
+File 7,1,<..\..\components\net\lwip\src\core\dns.c><dns.c>
+File 7,1,<..\..\components\net\lwip\src\core\init.c><init.c>
+File 7,1,<..\..\components\net\lwip\src\core\memp.c><memp.c>
+File 7,1,<..\..\components\net\lwip\src\core\netif.c><netif.c>
+File 7,1,<..\..\components\net\lwip\src\core\pbuf.c><pbuf.c>
+File 7,1,<..\..\components\net\lwip\src\core\raw.c><raw.c>
+File 7,1,<..\..\components\net\lwip\src\core\stats.c><stats.c>
+File 7,1,<..\..\components\net\lwip\src\core\sys.c><sys.c>
+File 7,1,<..\..\components\net\lwip\src\core\tcp.c><tcp.c>
+File 7,1,<..\..\components\net\lwip\src\core\tcp_in.c><tcp_in.c>
+File 7,1,<..\..\components\net\lwip\src\core\tcp_out.c><tcp_out.c>
+File 7,1,<..\..\components\net\lwip\src\core\timers.c><timers.c>
+File 7,1,<..\..\components\net\lwip\src\core\udp.c><udp.c>
+File 7,1,<..\..\components\net\lwip\src\core\ipv4\autoip.c><autoip.c>
+File 7,1,<..\..\components\net\lwip\src\core\ipv4\icmp.c><icmp.c>
+File 7,1,<..\..\components\net\lwip\src\core\ipv4\igmp.c><igmp.c>
+File 7,1,<..\..\components\net\lwip\src\core\ipv4\inet.c><inet.c>
+File 7,1,<..\..\components\net\lwip\src\core\ipv4\inet_chksum.c><inet_chksum.c>
+File 7,1,<..\..\components\net\lwip\src\core\ipv4\ip.c><ip.c>
+File 7,1,<..\..\components\net\lwip\src\core\ipv4\ip_addr.c><ip_addr.c>
+File 7,1,<..\..\components\net\lwip\src\core\ipv4\ip_frag.c><ip_frag.c>
+File 7,1,<..\..\components\net\lwip\src\netif\etharp.c><etharp.c>
+File 7,1,<..\..\components\net\lwip\src\netif\ethernetif.c><ethernetif.c>
+File 7,1,<..\..\components\net\lwip\src\netif\slipif.c><slipif.c>
 
 
 
@@ -219,7 +155,7 @@ Options 1,0,0  // Target 'RT-Thread_Mini4020'
  ADSCMISC (-g)
  ADSCDEFN ()
  ADSCUDEF ()
- ADSCINCD (..\..\components\rtgui\server;..\..\include;..\..\libcpu\arm\sep4020;..\..\components\rtgui\widgets;..\..\components\net\lwip\src\include;.;..\..\components\net\lwip\src\include\ipv4;..\..\components\dfs;..\..\components\rtgui\include;..\..\components\net\lwip\src\arch\include;..\..\components\dfs\include;..\..\components\net\lwip\src;..\..\libcpu\arm\common;..\..\components\rtgui\common;..\..\components\finsh;..\..\components\net\lwip\src\include\netif)
+ ADSCINCD (..\..\include;..\..\libcpu\arm\sep4020;drivers;..\..\components\dfs;..\..\components\net\lwip\src\include;.;..\..\components\net\lwip\src\include\ipv4;applications;..\..\components\net\lwip\src\arch\include;..\..\components\dfs\include;..\..\components\net\lwip\src;..\..\libcpu\arm\common;..\..\components\finsh;..\..\components\net\lwip\src\include\netif)
  ADSASFLG { 1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }
  ADSAMISC ()
  ADSADEFN ()
diff --git a/bsp/mini4020/rtconfig.h b/bsp/mini4020/rtconfig.h
index b5a0d5194542255042ff9ab27f2001c63f5f4a7a..2361f70a4bbad2611c9e1272d51a7ca4905397e5 100644
--- a/bsp/mini4020/rtconfig.h
+++ b/bsp/mini4020/rtconfig.h
@@ -174,7 +174,7 @@
 
 /* SECTION: RTGUI support */
 /* using RTGUI support */
-#define RT_USING_RTGUI
+/* #define RT_USING_RTGUI */
 
 /* name length of RTGUI object */
 #define RTGUI_NAME_MAX		16