if(argc<2)
	{
		printf("IP address : %u.%u.%u.%u\n", (IP_ADDRESS>>24)&0xff, (IP_ADDRESS>>16)&0xff, (IP_ADDRESS>>8)&0xff, IP_ADDRESS&0xff);
		return 0;
	}
	
	str = argv[1];
	
	for(j=0; j<4; j++)
	{
		if(j==3)
			ch = 0;
		i = 0;
		if(str[++i]!=ch)
			if(str[++i]!=ch)
				if(str[++i]!=ch)
					err = 1;
		str[i] = 0;
		ip[j] = strtodec(str, i);
		if(ip[j]<0||ip[j]>254||err)
		{
			puts("IP address error\n");
			return -1;
		}			
		str += i+1;
	}
	
	printf("Set IP address : %u.%u.%u.%u\n", ip[0], ip[1], ip[2], ip[3]);					
	IP_ADDRESS = (ip[0]<<24)|(ip[1]<<16)|(ip[2]<<8)|ip[3];
	
	return 0;	
}

int LoadFromUart(int argc, char *argv[])
{
	int start, time_out;
	int load_addr = DFT_DOWNLOAD_ADDR;		
		
	if(argc>1)
	{
		start = strtoul(argv[1]);
		if(load_addr>0)
			load_addr = start;						
	}
	start = load_addr;
	
#define WAIT_TIME	0x3000000	
	time_out = WAIT_TIME;	
	do{
		if(kbhit())
		{
			*((U8 *)load_addr++) = getkey();
			time_out = WAIT_TIME;
		}
	}while(--time_out);
	
	printf("Received 0x%x bytes from serial port.\n", load_addr-start);
	
	return 0;
#undef	WAIT_TIME	
}

int RunProgram(int argc, char *argv[])
{
	void (*fp)(U32, U32) = (void (*)(U32, U32))DFT_DOWNLOAD_ADDR;
	
	if(argc>1)
	{
		int	p = strtoul(argv[1]);
		if(p>0)
			fp = (void (*)(U32, U32))p;			
	}
	
	printf("Run program from 0x%x, are you sure? [y/n]", fp);
	
	while(1)
	{
		if(kbhit())
		{
			int key = getkey();
			if(key=='y'||key=='Y')
			{
				putch(key);
				next_line();
				break;
			}
			if(key=='n'||key=='N')
			{
				putch(key);
				next_line();
				return 0;
			}				
		}
	}
	
	(*fp)(0, 178);
	
	return 0;		
}

int MoveFlashToRam(int argc, char *argv[])
{
	int rd_addr, wr_addr, size;
	
	if(argc<4)
	{
		puts("Please enter move a1 a2 size\na1 = flash addr, a2 = ram addr\n");
		return -1;		
	}
	
	rd_addr = strtoul(argv[1]);
	wr_addr = strtoul(argv[2]);
	size    = strtoul(argv[3]);
	if(rd_addr==-1||wr_addr==-1||size==-1)
	{
		puts("Parameter erroe\n");
		return -1;
	}
	
	FlashRead(rd_addr, (U16 *)wr_addr, size);
	
	return 0;
}

//#define	__LZ44B0x
#ifdef	__LZ44B0X
static void fill_lcd(char dat)
{
	int x, y;
	
	printf("fill lcd with 0x%x\n", dat);
	for(x=0; x<8; x++) {
		delay(200);
		outportb(0x04000000, 0xb8|x);
		delay(200);
		outportb(0x04000000, 0x40);
		delay(200);
		outportb(0x04000000, 0xc0);		
		for(y=0; y<64; y++ ) {
			delay(200);
			outportb(0x04000001, dat);
		}
	}
}

static int LcdDemo(int argc, char *argv[])
{
	int cs;
		
	puts("LCD test, press Esc key to quit\n");
		
	rPDATC |= 0x8;		//backlight on, enable cs1,cs2,cs3
	rPDATC &= ~0x7;
	outportb(0x04000000, 0x3e);		//display off
	rPDATC |= 0x7;
		
	for(cs=0; cs<3; cs++) {	
		rPDATC &= ~(1<<cs);
		delay(200);
		outportb(0x04000000, 0x3f);	//display on		

		fill_lcd(0xff);
		if(getkey_con())
			break;
		fill_lcd(0);
		if(getkey_con())
			break;
		fill_lcd(0xf0);
		if(getkey_con())
			break;
		fill_lcd(0xf);
		if(getkey_con())
			break;
		fill_lcd(0xaa);
		if(getkey_con())
			break;
		fill_lcd(0x55);
		if(getkey_con())
			break;		

		outportb(0x04000000, 0x3e);	//display off
		rPDATC |= 1<<cs;
	}				

	delay(200);
	rPDATC &= ~0xf;					//backlight off
	outportb(0x04000000, 0x3e);		//display off
	rPDATC |= 0x7;	
	
	return 0;
}
#endif
/*********************************************************/
int Help(int argc, char *argv[]);

typedef int (*cmdproc)(int argc, char *argv[]);
typedef struct {
	char *cmd;
	char *hlp;
	cmdproc proc;
}CMD_STRUC;

CMD_STRUC CMD_INNER[] =
				{ 	{"help", "show help", Help},
					{"?", "= help", Help},
					{"date", "show or set current date", GetDate},
					{"time", "show or set current time", GetTime},
					{"setweek", "set weekday", SetWeek},
					{"clock", "show system running clock", SysClock},
					{"setmclk", "set system running clock", ChgSysMclk},
					{"setbaud", "set baud rate", ChgBaudRate},
					{"load", "load file to memory", LoadFile2Mem},
					{"comload", "load file from serial port", LoadFromUart},
					{"prog", "program flash", ProgFlash},
					{"boot", "boot from flash", BootLoader},
					{"ap", "auto load image flie and program flash", AutoProgFlash},
					{"copy", "copy flash from src to dst address", CopyFlash},
					{"ipcfg", "show or set IP address", SetIPAddr},					
					{"run", "run from ram", RunProgram},
					{"move", "move data from flash to ram", MoveFlashToRam},
#ifdef	__LZ44B0X					
					{"lcdtest", "test lcd(192x64)", LcdDemo},
#endif					
					{NULL, NULL, NULL}
				};

int Help(int argc, char *argv[])
{
	int i;	
	
	for(i=0; CMD_INNER[i].cmd!=NULL; i++)
	{
		if(CMD_INNER[i].hlp!=NULL)
		{
			puts(CMD_INNER[i].cmd);
			puts("	------	");
			puts(CMD_INNER[i].hlp);
			putch('\n');
		}
	}
	
	return 0;
}

/*********************************************************/
static void ParseArgs(char *cmdline, int *argc, char **argv)
{
#define STATE_WHITESPACE	0
#define STATE_WORD			1

	char *c;
	int state = STATE_WHITESPACE;
	int i;

	*argc = 0;

	if(strlen(cmdline) == 0)
		return;

	/* convert all tabs into single spaces */
	c = cmdline;
	while(*c != '\0')
	{
		if(*c == '\t')
			*c = ' ';
		c++;
	}
	
	c = cmdline;
	i = 0;

	/* now find all words on the command line */
	while(*c != '\0')
	{
		if(state == STATE_WHITESPACE)
		{
			if(*c != ' ')
			{
				argv[i] = c;		//將argv[i]指向c
				i++;
				state = STATE_WORD;
			}
		}
		else
		{ /* state == STATE_WORD */
			if(*c == ' ')
			{
				*c = '\0';
				state = STATE_WHITESPACE;
			}
		}
		c++;
	}
	
	*argc = i;
#undef STATE_WHITESPACE
#undef STATE_WORD
}

static int GetCmdMatche(char *cmdline)
{
	int i;	
	
	for(i=0; CMD_INNER[i].cmd!=NULL; i++)
	{
		if(strncmp(CMD_INNER[i].cmd, cmdline, strlen(CMD_INNER[i].cmd))==0)
			return i;
	}
	
	return -1;
}

static int ParseCmd(char *cmdline, int cmd_len)
{
	int argc, num_commands;
	char *argv[MAX_ARGS];

	ParseArgs(cmdline, &argc, argv);

	/* only whitespace */
	if(argc == 0) 
		return 0;
	
	num_commands = GetCmdMatche(argv[0]);
	if(num_commands<0)
		return -1;
		
	if(CMD_INNER[num_commands].proc!=NULL)	
		CMD_INNER[num_commands].proc(argc, argv);
				
	return 0;			
}


void LEDON(char i)
{

if(i==1)
{ rPDATC&=0xfff1;
rPDATC|=2;

}
if(i==2){
 rPDATC&=0xfff1;
rPDATC|=4;

}
if(i==3){
 rPDATC&=0xfff1;
rPDATC|=8;


}
}

void beep(char i)
{
if(i==0)
rPDATE|=0x20;
if(i==1)
rPDATE&=~0x20;
}
/*********************************************************/
#include "44b0x.h"

int main()
{
	int i, key,temp;
	char command[MAX_CMD_LEN];		
		
//	ChangePllValue(88, 6, 1);	//修改系統主頻為6倍頻
	ChangePllValue(120, 8, 1);	//修改系統主頻為6.4倍頻
	PortInit();
	console_init(SERIAL_BAUD);
	
/*
while(1)
{

*(volatile unsigned char *)(0x6000000+i)=(char)5;

if(5!=(*(volatile unsigned char *)(0x6000000)))
         ;
i++;
if(i>=400)
         i=0;

}

*/
	

	next_line();
	puts(table_begin);
for(i=0;i<20;i++){
		beep(0);
		delay(500000);
		beep(1);
    	delay(500000);
	}
	puts("Bios for wanlong electronic institue  http://www.embedchina.cn \n");
	puts("designed by post ph.d superwang,tsinghua university\n");
	SysClock(0, NULL);
//		while(1)
	printf("Serial Baud rate is %d\n", SERIAL_BAUD);
	
	puts("Build date : ");
	puts(__DATE__);
	putch('-');
	puts(__TIME__);
	next_line();
	puts(table_begin);
	
	SysTime.year    = 5;
	SysTime.month   = 11;
	SysTime.day     = 12;
	SysTime.weekday = 3;
	SysTime.hour    = 0x17;
	SysTime.min     = 0x09;
	SysTime.sec     = 0;
	
	RtcSetDay(&SysTime);
	RtcSetTime(&SysTime);
	
	GetDate(0, NULL);
	GetTime(0, NULL);	
		beep(1);
/*************************************/
	printf("Flash ID is : %x\n", GetFlashID());
		puts("Flash ID is : ");
		outportw(0, 0x90);
		printf("%x", inportw(2));
		outportw(0, 0x90);
		printf("%x", inportw(4));
	


	prompt();

	
	LCDIni();

LCD_BACK_LIGHT(0);//open back light    
TextDisplayInit();
DelayNS(1);


clearpicture();//圖片顯示

DelayNS(1);
	
displaypicture( );

graphshow();

DelayNS(10);
TextDisplayInit();
printsentence(0,"歡迎使用簡易ARM7");//xdenotes the start line  the 12864module is 4 line and 8 column
printsentence(1,"arm44b0-實驗平臺");
printsentence(2,"嵌入式系統網出品");
printsentence(3,"www.myarm.net   ");


Blink(2);//此函數用來測試反白效果
//LCD_BACK_LIGHT(1);	
	puts("\ntype ? for help\nconnect UART0 to your host pc and type ap inside super terminal\n");
	prompt();
	i = 0;
	for(;;)
	{
temp++;
	if(temp%100000==0)	
    LEDON(1);
   	if(temp%300000==0)	
	LEDON(2);
	if(temp%600000==0)	
	LEDON(3);
	if(temp%900000==0)	
	temp=0;

		if(kbhit())
		{
			key = getkey();
			if(key == BACK_KEY)
			{					
				if(i)
				{
					putch(key);
					putch(' ');
					putch(key);	
				}
				i -= i?1:0;	
			}
			else
			if(key == ENTER_KEY)
			{
				int tmp;
				command[i] = 0;
				putch('\n');
				tmp = ParseCmd(command, i);
				if(tmp<0)
					puts("Bad command\n");
				prompt();
				
				i = 0;
			}
			else
			{
				if(i<MAX_CMD_LEN-1)
				{
					command[i++] = key;
					putch(key);
				}
			}				
		}
	}
}

/*********************************************************/
int pIrqStart = 0;
int pIrqHandler = 0;
int pIrqFinish = 0;