#include "base.h" 
#include "string.h"
#include "delay.h"
#include "lcd_rgb.h"
#include "usart.h" 
#include "led.h" 
#include "sdram.h" 
#include "lcd_pwm.h"
#include "spi_flash.h"
#include "mymem.h"
#include "flash_manager.h"


//定义cmd变量
#define IAP_CMD  		(*((u32 *)0x20000000))
#define IAP_INDEX  	(*((u32 *)0x20000004))
//定义cmd取值
#define IAP_CMD_UPDATA  	0xff000001			//直接升级user.app
#define IAP_CMD_UPINDEX	  0xff000002			//升级指定序号的程序
#define IAP_CMD_SELECT		0xff000003			//选择启动方式
#define IAP_CMD_NONE			0x00000000			
//定义用于升级的文件名
#define APP_NAME				"user.app"
//定义用户程序区的起始地址
#define APP_ADDR				(0x08000000+128*1024)

//定义显示跳跃像素
#define Y_JUMP			16


//在指定位置显示字符串
static void drawCharsAt (char *txt,int x,int y);
static void jump_app(void);
static void Init (void);
static void FLASH_EraseBySize (u32 size);
static void FLASH_WriteBySize (u8 *buff,u32 size);
static void FLASH_UpData (u8 *buff,u32 size);
static void iap_cmd_select (void);
static void iap_cmd_updata (void);
static void iap_cmd_upindex (void);



static int x=0;
static int y=-Y_JUMP;

int main ()
{
	Init();
	if (IAP_CMD==IAP_CMD_SELECT)
	{
		iap_cmd_select();
	}
	else if (IAP_CMD==IAP_CMD_UPDATA)
	{
		iap_cmd_updata ();
	}
	else if (IAP_CMD==IAP_CMD_UPINDEX)
	{
		iap_cmd_upindex();
	}
	IAP_CMD=IAP_CMD_NONE;
	jump_app();
	while (1);
}

















//---------------------------------------------------------------
//--------------------LCD显示相关--------------------------------



static const unsigned char g_asc2_1608[95][16]={	  
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*" ",0*/
{0x00,0x00,0x00,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x00,0x00,0x18,0x18,0x00,0x00},/*"!",1*/
{0x00,0x12,0x36,0x24,0x48,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*""",2*/
{0x00,0x00,0x00,0x24,0x24,0x24,0xFE,0x48,0x48,0x48,0xFE,0x48,0x48,0x48,0x00,0x00},/*"#",3*/
{0x00,0x00,0x10,0x38,0x54,0x54,0x50,0x30,0x18,0x14,0x14,0x54,0x54,0x38,0x10,0x10},/*"$",4*/
{0x00,0x00,0x00,0x44,0xA4,0xA8,0xA8,0xA8,0x54,0x1A,0x2A,0x2A,0x2A,0x44,0x00,0x00},/*"%",5*/
{0x00,0x00,0x00,0x30,0x48,0x48,0x48,0x50,0x6E,0xA4,0x94,0x88,0x89,0x76,0x00,0x00},/*"&",6*/
{0x00,0x60,0x60,0x20,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*"'",7*/
{0x00,0x02,0x04,0x08,0x08,0x10,0x10,0x10,0x10,0x10,0x10,0x08,0x08,0x04,0x02,0x00},/*"(",8*/
{0x00,0x40,0x20,0x10,0x10,0x08,0x08,0x08,0x08,0x08,0x08,0x10,0x10,0x20,0x40,0x00},/*")",9*/
{0x00,0x00,0x00,0x00,0x10,0x10,0xD6,0x38,0x38,0xD6,0x10,0x10,0x00,0x00,0x00,0x00},/*"*",10*/
{0x00,0x00,0x00,0x00,0x10,0x10,0x10,0x10,0xFE,0x10,0x10,0x10,0x10,0x00,0x00,0x00},/*"+",11*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x60,0x60,0x20,0xC0},/*",",12*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x7F,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*"-",13*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x60,0x60,0x00,0x00},/*".",14*/
{0x00,0x00,0x01,0x02,0x02,0x04,0x04,0x08,0x08,0x10,0x10,0x20,0x20,0x40,0x40,0x00},/*"/",15*/
{0x00,0x00,0x00,0x18,0x24,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x24,0x18,0x00,0x00},/*"0",16*/
{0x00,0x00,0x00,0x10,0x70,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x7C,0x00,0x00},/*"1",17*/
{0x00,0x00,0x00,0x3C,0x42,0x42,0x42,0x04,0x04,0x08,0x10,0x20,0x42,0x7E,0x00,0x00},/*"2",18*/
{0x00,0x00,0x00,0x3C,0x42,0x42,0x04,0x18,0x04,0x02,0x02,0x42,0x44,0x38,0x00,0x00},/*"3",19*/
{0x00,0x00,0x00,0x04,0x0C,0x14,0x24,0x24,0x44,0x44,0x7E,0x04,0x04,0x1E,0x00,0x00},/*"4",20*/
{0x00,0x00,0x00,0x7E,0x40,0x40,0x40,0x58,0x64,0x02,0x02,0x42,0x44,0x38,0x00,0x00},/*"5",21*/
{0x00,0x00,0x00,0x1C,0x24,0x40,0x40,0x58,0x64,0x42,0x42,0x42,0x24,0x18,0x00,0x00},/*"6",22*/
{0x00,0x00,0x00,0x7E,0x44,0x44,0x08,0x08,0x10,0x10,0x10,0x10,0x10,0x10,0x00,0x00},/*"7",23*/
{0x00,0x00,0x00,0x3C,0x42,0x42,0x42,0x24,0x18,0x24,0x42,0x42,0x42,0x3C,0x00,0x00},/*"8",24*/
{0x00,0x00,0x00,0x18,0x24,0x42,0x42,0x42,0x26,0x1A,0x02,0x02,0x24,0x38,0x00,0x00},/*"9",25*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x18,0x18,0x00,0x00,0x00,0x00,0x18,0x18,0x00,0x00},/*":",26*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x10,0x00,0x00,0x00,0x00,0x00,0x10,0x10,0x20},/*";",27*/
{0x00,0x00,0x00,0x02,0x04,0x08,0x10,0x20,0x40,0x20,0x10,0x08,0x04,0x02,0x00,0x00},/*"<",28*/
{0x00,0x00,0x00,0x00,0x00,0x00,0xFE,0x00,0x00,0x00,0xFE,0x00,0x00,0x00,0x00,0x00},/*"=",29*/
{0x00,0x00,0x00,0x40,0x20,0x10,0x08,0x04,0x02,0x04,0x08,0x10,0x20,0x40,0x00,0x00},/*">",30*/
{0x00,0x00,0x00,0x3C,0x42,0x42,0x62,0x02,0x04,0x08,0x08,0x00,0x18,0x18,0x00,0x00},/*"?",31*/
{0x00,0x00,0x00,0x38,0x44,0x5A,0xAA,0xAA,0xAA,0xAA,0xB4,0x42,0x44,0x38,0x00,0x00},/*"@",32*/
{0x00,0x00,0x00,0x10,0x10,0x18,0x28,0x28,0x24,0x3C,0x44,0x42,0x42,0xE7,0x00,0x00},/*"A",33*/
{0x00,0x00,0x00,0xF8,0x44,0x44,0x44,0x78,0x44,0x42,0x42,0x42,0x44,0xF8,0x00,0x00},/*"B",34*/
{0x00,0x00,0x00,0x3E,0x42,0x42,0x80,0x80,0x80,0x80,0x80,0x42,0x44,0x38,0x00,0x00},/*"C",35*/
{0x00,0x00,0x00,0xF8,0x44,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x44,0xF8,0x00,0x00},/*"D",36*/
{0x00,0x00,0x00,0xFC,0x42,0x48,0x48,0x78,0x48,0x48,0x40,0x42,0x42,0xFC,0x00,0x00},/*"E",37*/
{0x00,0x00,0x00,0xFC,0x42,0x48,0x48,0x78,0x48,0x48,0x40,0x40,0x40,0xE0,0x00,0x00},/*"F",38*/
{0x00,0x00,0x00,0x3C,0x44,0x44,0x80,0x80,0x80,0x8E,0x84,0x44,0x44,0x38,0x00,0x00},/*"G",39*/
{0x00,0x00,0x00,0xE7,0x42,0x42,0x42,0x42,0x7E,0x42,0x42,0x42,0x42,0xE7,0x00,0x00},/*"H",40*/
{0x00,0x00,0x00,0x7C,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x7C,0x00,0x00},/*"I",41*/
{0x00,0x00,0x00,0x3E,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x88,0xF0},/*"J",42*/
{0x00,0x00,0x00,0xEE,0x44,0x48,0x50,0x70,0x50,0x48,0x48,0x44,0x44,0xEE,0x00,0x00},/*"K",43*/
{0x00,0x00,0x00,0xE0,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x42,0xFE,0x00,0x00},/*"L",44*/
{0x00,0x00,0x00,0xEE,0x6C,0x6C,0x6C,0x6C,0x54,0x54,0x54,0x54,0x54,0xD6,0x00,0x00},/*"M",45*/
{0x00,0x00,0x00,0xC7,0x62,0x62,0x52,0x52,0x4A,0x4A,0x4A,0x46,0x46,0xE2,0x00,0x00},/*"N",46*/
{0x00,0x00,0x00,0x38,0x44,0x82,0x82,0x82,0x82,0x82,0x82,0x82,0x44,0x38,0x00,0x00},/*"O",47*/
{0x00,0x00,0x00,0xFC,0x42,0x42,0x42,0x42,0x7C,0x40,0x40,0x40,0x40,0xE0,0x00,0x00},/*"P",48*/
{0x00,0x00,0x00,0x38,0x44,0x82,0x82,0x82,0x82,0x82,0xB2,0xCA,0x4C,0x38,0x06,0x00},/*"Q",49*/
{0x00,0x00,0x00,0xFC,0x42,0x42,0x42,0x7C,0x48,0x48,0x44,0x44,0x42,0xE3,0x00,0x00},/*"R",50*/
{0x00,0x00,0x00,0x3E,0x42,0x42,0x40,0x20,0x18,0x04,0x02,0x42,0x42,0x7C,0x00,0x00},/*"S",51*/
{0x00,0x00,0x00,0xFE,0x92,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x38,0x00,0x00},/*"T",52*/
{0x00,0x00,0x00,0xE7,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x3C,0x00,0x00},/*"U",53*/
{0x00,0x00,0x00,0xE7,0x42,0x42,0x44,0x24,0x24,0x28,0x28,0x18,0x10,0x10,0x00,0x00},/*"V",54*/
{0x00,0x00,0x00,0xD6,0x92,0x92,0x92,0x92,0xAA,0xAA,0x6C,0x44,0x44,0x44,0x00,0x00},/*"W",55*/
{0x00,0x00,0x00,0xE7,0x42,0x24,0x24,0x18,0x18,0x18,0x24,0x24,0x42,0xE7,0x00,0x00},/*"X",56*/
{0x00,0x00,0x00,0xEE,0x44,0x44,0x28,0x28,0x10,0x10,0x10,0x10,0x10,0x38,0x00,0x00},/*"Y",57*/
{0x00,0x00,0x00,0x7E,0x84,0x04,0x08,0x08,0x10,0x20,0x20,0x42,0x42,0xFC,0x00,0x00},/*"Z",58*/
{0x00,0x1E,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x1E,0x00},/*"[",59*/
{0x00,0x00,0x40,0x40,0x20,0x20,0x10,0x10,0x10,0x08,0x08,0x04,0x04,0x04,0x02,0x02},/*"\",60*/
{0x00,0x78,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x78,0x00},/*"]",61*/
{0x00,0x1C,0x22,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*"^",62*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF},/*"_",63*/
{0x00,0x60,0x10,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*"`",64*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x3C,0x42,0x1E,0x22,0x42,0x42,0x3F,0x00,0x00},/*"a",65*/
{0x00,0x00,0x00,0xC0,0x40,0x40,0x40,0x58,0x64,0x42,0x42,0x42,0x64,0x58,0x00,0x00},/*"b",66*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x1C,0x22,0x40,0x40,0x40,0x22,0x1C,0x00,0x00},/*"c",67*/
{0x00,0x00,0x00,0x06,0x02,0x02,0x02,0x1E,0x22,0x42,0x42,0x42,0x26,0x1B,0x00,0x00},/*"d",68*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x3C,0x42,0x7E,0x40,0x40,0x42,0x3C,0x00,0x00},/*"e",69*/
{0x00,0x00,0x00,0x0F,0x11,0x10,0x10,0x7E,0x10,0x10,0x10,0x10,0x10,0x7C,0x00,0x00},/*"f",70*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x3E,0x44,0x44,0x38,0x40,0x3C,0x42,0x42,0x3C},/*"g",71*/
{0x00,0x00,0x00,0xC0,0x40,0x40,0x40,0x5C,0x62,0x42,0x42,0x42,0x42,0xE7,0x00,0x00},/*"h",72*/
{0x00,0x00,0x00,0x30,0x30,0x00,0x00,0x70,0x10,0x10,0x10,0x10,0x10,0x7C,0x00,0x00},/*"i",73*/
{0x00,0x00,0x00,0x0C,0x0C,0x00,0x00,0x1C,0x04,0x04,0x04,0x04,0x04,0x04,0x44,0x78},/*"j",74*/
{0x00,0x00,0x00,0xC0,0x40,0x40,0x40,0x4E,0x48,0x50,0x68,0x48,0x44,0xEE,0x00,0x00},/*"k",75*/
{0x00,0x00,0x00,0x70,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x7C,0x00,0x00},/*"l",76*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFE,0x49,0x49,0x49,0x49,0x49,0xED,0x00,0x00},/*"m",77*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xDC,0x62,0x42,0x42,0x42,0x42,0xE7,0x00,0x00},/*"n",78*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x3C,0x42,0x42,0x42,0x42,0x42,0x3C,0x00,0x00},/*"o",79*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xD8,0x64,0x42,0x42,0x42,0x44,0x78,0x40,0xE0},/*"p",0*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x1E,0x22,0x42,0x42,0x42,0x22,0x1E,0x02,0x07},/*"q",81*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xEE,0x32,0x20,0x20,0x20,0x20,0xF8,0x00,0x00},/*"r",82*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x3E,0x42,0x40,0x3C,0x02,0x42,0x7C,0x00,0x00},/*"s",83*/
{0x00,0x00,0x00,0x00,0x00,0x10,0x10,0x7C,0x10,0x10,0x10,0x10,0x10,0x0C,0x00,0x00},/*"t",84*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xC6,0x42,0x42,0x42,0x42,0x46,0x3B,0x00,0x00},/*"u",85*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xE7,0x42,0x24,0x24,0x28,0x10,0x10,0x00,0x00},/*"v",86*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xD7,0x92,0x92,0xAA,0xAA,0x44,0x44,0x00,0x00},/*"w",87*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x6E,0x24,0x18,0x18,0x18,0x24,0x76,0x00,0x00},/*"x",88*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xE7,0x42,0x24,0x24,0x28,0x18,0x10,0x10,0xE0},/*"y",89*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x7E,0x44,0x08,0x10,0x10,0x22,0x7E,0x00,0x00},/*"z",90*/
{0x00,0x03,0x04,0x04,0x04,0x04,0x04,0x08,0x04,0x04,0x04,0x04,0x04,0x04,0x03,0x00},/*"{",91*/
{0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08},/*"|",92*/
{0x00,0x60,0x10,0x10,0x10,0x10,0x10,0x08,0x10,0x10,0x10,0x10,0x10,0x10,0x60,0x00},/*"}",93*/
{0x30,0x4C,0x43,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*"~",94*/
}; 




static u32 drawCharAt16 (char c,int x,int y)
{
	u8 buff[24*2]={0};
	for(int t=0;t<16;t++) buff[t]=g_asc2_1608[c-0x20][t];
	for (int j=0;j<16;j++)
	{
		for (int i=0;i<8;i++)
		{
			//只绘制无效窗口内的屏幕
			LCD_DrawPointSafe (x+i,y+j,(buff[j]<<i)&0x80);
		}	
	}
	return 8;
}



//在指定位置显示字符串
static void drawCharsAt (char *txt,int x,int y)
{
	if (txt==0) return;
	while (*txt)
	{
		if ((*txt&0x80)==0)
		{
			x+=drawCharAt16(*txt,x,y);
			txt++;
		}
	}
}







static void jump_app(void)
{
	//定义用户程序的起始地址
	void (*user_main)(void);
	if(((*(vu32*)APP_ADDR)&0x2FF00000)==0x20000000)	//检查栈顶地址是否合法.
	{
		NVIC_SetVectorTable(NVIC_VectTab_FLASH, 128*1024);		
		user_main=(void (*)(void))*(vu32*)(APP_ADDR+4);		//用户代码区第二个字为程序开始地址(复位地址)		
		__set_MSP(*(vu32*)APP_ADDR);					//初始化APP堆栈指针(用户代码区的第一个字用于存放栈顶地址)
		user_main();									//跳转到APP.
	}
	else
	{
		//不存在程序，需要升级
		IAP_CMD=IAP_CMD_SELECT;
		NVIC_SystemReset();
	}
	
}








static void Init (void)
{
	Delay_Init();
	USART3_Init();
	LED_Init();			
	Usart_Config();	
	SDRAM_Init();		
	mymem_init();
	sFLASH_Init();
	printf ("Loading。。。\r\n");
	for (int i=0;i<10;i++)
	{
		Delay_ms (10);
		if (USART3_GetKey())
		{
			IAP_CMD=IAP_CMD_SELECT;
		}
	}
}





//根据文件大小擦除flash
static void FLASH_EraseBySize (u32 size)
{
	const u16 sectors_1[]={
		FLASH_Sector_5,
		FLASH_Sector_6,
		FLASH_Sector_7,
		FLASH_Sector_8,
		FLASH_Sector_9,
		FLASH_Sector_10,
		FLASH_Sector_11,
		0
	};
	int bank_num=size/(128*1024);
	if (size%(128*1024)) bank_num++;
	
	//第一个bank擦除
	for (int i=0;sectors_1[i];i++)
	{
		if (i>=bank_num) break;
		FLASH_EraseSector (sectors_1[i],VoltageRange_3);//擦除电压选太高容易失败
	}
	//第二个bank前面的擦除
	if (bank_num>=8)
	{
			FLASH_EraseSector (FLASH_Sector_12,VoltageRange_3);
			FLASH_EraseSector (FLASH_Sector_13,VoltageRange_3);
			FLASH_EraseSector (FLASH_Sector_14,VoltageRange_3);
			FLASH_EraseSector (FLASH_Sector_15,VoltageRange_3);
			FLASH_EraseSector (FLASH_Sector_16,VoltageRange_3);
	}
	
	const u16 sectors_2[]={
		FLASH_Sector_17,
		FLASH_Sector_18,
		FLASH_Sector_19,
		FLASH_Sector_20,
		FLASH_Sector_21,
		FLASH_Sector_22,
		FLASH_Sector_23,
		0
	};
	//第二个bank擦除
	for (int i=0;sectors_2[i];i++)
	{
		if (i+8>=bank_num) break;
		FLASH_EraseSector (sectors_2[i],VoltageRange_3);
	}
	
}


//一次性写入数据
static void FLASH_WriteBySize (u8 *buff,u32 size)
{
	for (u32 i=0;i<size;i++)
	{
		FLASH_ProgramByte (APP_ADDR+i,buff[i]);
	}
}



//升级程序
static void FLASH_UpData (u8 *buff,u32 size)
{
	//打标记，记录这是通过IAP升级的程序文件
	u32 *app=(u32 *)buff; app[7]=0x00000001;
	//把rom大小记录在rom中
	app[9]=size;
	
	drawCharsAt ("FLASH Unlock ...",x,y+=Y_JUMP);
	FLASH_Unlock();
	drawCharsAt ("Eraseing ...",x,y+=Y_JUMP);
	FLASH_EraseBySize (size);
	drawCharsAt ("Programing ...",x,y+=Y_JUMP);
	FLASH_WriteBySize (buff,size);
	drawCharsAt ("FLASH Lock ...",x,y+=Y_JUMP);
	FLASH_Lock ();
	drawCharsAt ("Updata Done, Reboot Later ...",x,y+=Y_JUMP);
}










static void iap_cmd_select (void)
{
	LCD_Init();
	LCD_LayerInit();
	drawCharsAt ("Please Select:",x,y+=Y_JUMP);
	drawCharsAt ("00. Boot Now",x,y+=Y_JUMP);
	drawCharsAt ("01. Updata user.app File",x,y+=Y_JUMP);
	
	//升级flash中存放的程序
	int fileNum=FLASH_GetFileNum();
	char *txt=mymalloc (256);
	int *indexInfo=mymalloc (sizeof(int)*fileNum);
	int appIndex=0;
	for (int i=0;i<fileNum;i++)
	{
		FLASH_FileStruct fileInfo={0};
		FLASH_GetFileInfo (i,&fileInfo);
		int fileNameLen=strlen(fileInfo.FileName);
		if (strcmp(&fileInfo.FileName[fileNameLen-4],".app")==0)
		{
			sprintf (txt,"%02d. Updata %s File",2+appIndex,fileInfo.FileName);
			indexInfo[appIndex]=i;//记录索引
			appIndex++;
			drawCharsAt (txt,x,y+=Y_JUMP);	
		}
	}
	char *staitc_txt="Your Select is:";
	int my_select=0;
	int select_maxNum=fileNum+2;
	drawCharsAt (staitc_txt,x,y+=Y_JUMP);	
	while (1)
	{
		u8 key=USART3_GetKeyPressed ();
		sprintf (txt,"%02d",my_select);
		drawCharsAt (txt,x+strlen(staitc_txt)*8,y);
		if (key==0x10)
		{
			//上键
			if (my_select>0)
			{
				my_select--;
			}
			else
			{
				my_select=select_maxNum-1;
			}
		}
		else if (key==0x20)
		{
			//下键
			if (my_select<select_maxNum-1)
			{
				my_select++;
			}
			else
			{
				my_select=0;
			}
		}
		else if (key==0x04)
		{
			//OK键
			if (my_select==0)
			{
				break;
			}
			else if (my_select==1)
			{
				IAP_CMD=IAP_CMD_UPDATA;
				NVIC_SystemReset();
			}
			else
			{
				IAP_CMD=IAP_CMD_UPINDEX;
				IAP_INDEX=indexInfo[my_select-2];
				NVIC_SystemReset();
			}
		}
	}
	myfree (txt);
	myfree (indexInfo);
}





static void iap_cmd_updata (void)
{
	LCD_Init();
	LCD_LayerInit();
	drawCharsAt ("Init Done ...",x,y+=Y_JUMP);
	u32 app_size=0;
	u32 app_exAddr=0;
	u32 app_addr=0;
	drawCharsAt ("Find " APP_NAME "...",x,y+=Y_JUMP);
	app_exAddr =FLASH_FindFile (APP_NAME,&app_size);
	
	//申请内存，加一个文件名的余量
	int exDataLen=strlen(APP_NAME)+1;
	u8 *data=mymalloc (app_size+exDataLen);

	if (app_exAddr&&(FLASH_ReadFile (APP_NAME,0,data,app_size)==app_size))
	{
		//把文件名信息加在rom中
		memcpy (&data[app_size],APP_NAME,exDataLen);
		u32 *app=(u32 *)data;app[8]=APP_ADDR+app_size;
		
		FLASH_UpData (data,app_size+exDataLen);
	}
	else 
	{
		drawCharsAt ("Can't Find "APP_NAME", Reboot Later ...",x,y+=Y_JUMP);
	}
	myfree(data);
	Delay_ms (10*1000);
}




static void iap_cmd_upindex (void)
{
	//根据索引找到文件
	LCD_Init();
	LCD_LayerInit();
	char *txt_buf=mymalloc (256);
	drawCharsAt ("Init Done ...",x,y+=Y_JUMP);
	u32 app_size=0;
	u32 app_exAddr=0;
	u32 app_addr=0;
	FLASH_FileStruct file={0};
	sprintf (txt_buf,"Find File By Index %d...",IAP_INDEX);
	drawCharsAt (txt_buf,x,y+=Y_JUMP);
	if (FLASH_GetFileInfo (IAP_INDEX,&file)==0)
	{
		sprintf (txt_buf,"File Name is: %s...",file.FileName);
		drawCharsAt (txt_buf,x,y+=Y_JUMP);
		app_exAddr=file.Address;
		app_size=file.FileSize;
	
		//申请内存，加一个文件名的余量
		int exDataLen=strlen(file.FileName)+1;
		u8 *data=mymalloc (app_size+exDataLen);

		FLASH_ReadFile (file.FileName,0,data,app_size);
		//把文件名信息加在rom中
		memcpy (&data[app_size],file.FileName,exDataLen);
		u32 *app=(u32 *)data;app[8]=APP_ADDR+app_size;
		
		FLASH_UpData (data,app_size+exDataLen);
		myfree(data);
	}
	else 
	{
		sprintf (txt_buf,"Can't Find File By Index %d...",IAP_INDEX);
		drawCharsAt (txt_buf,x,y+=Y_JUMP);
		drawCharsAt ("Reboot Later ...",x,y+=Y_JUMP);
	}
	myfree (txt_buf);
	Delay_ms (10*1000);

}








extern void LTDC_ISR_Handler(void);

//	函数:LTDC中断服务函数
//	说明：在emWin_Drive.c里被调用
//
void LTDC_IRQHandler(void)
{
  LTDC_ISR_Handler();
}