#include "lcd.h"
#include "stdlib.h"
#include "stdint.h"
#include "stdio.h"
#include "font.h"
#include "unistd.h"

//ɫ,ɫ
uint16_t POINT_COLOR = 0x0000,BACK_COLOR = 0xFFFF;
uint16_t DeviceCode;

#if LCD_FAST_IO==1 //IO
//дĴ
//data:Ĵֵ
void LCD_WR_REG(uint8_t data)
{
	LCD_RS_CLR;//дַ
 	LCD_CS_CLR;
	DATAOUT(data);
	LCD_WR_CLR;
//	usleep(10);
	LCD_WR_SET;
 	LCD_CS_SET;
}
#else//IO
//дĴ
//data:Ĵֵ
void LCD_WR_REG(uint8_t data)
{
	LCD_RS=0;//дַ
 	LCD_CS=0;
	DATAOUT(data);
	LCD_WR=0;
	LCD_WR=1;
 	LCD_CS=1;
}
#endif
//LCD
//ֵ:ֵ
uint16_t LCD_RD_DATA(void)
{
	uint16_t t;
	IOWR_ALTERA_AVALON_PIO_DIRECTION(LCD_DB_BASE, 0x0000);
#if LCD_FAST_IO==1 //IO
	LCD_RS_SET;
	LCD_CS_CLR;
	//ȡ(Ĵʱ,Ҫ2)
	LCD_RD_CLR;
//	usleep(20);
	if(DeviceCode==0X8989)usleep(20);//FOR 8989,ʱ2us
	t=DATAIN;
	LCD_RD_SET;
	LCD_CS_SET;
#else
	LCD_RS=1;
	LCD_CS=0;
	//ȡ(Ĵʱ,Ҫ2)
	LCD_RD=0;
	LCD_RD=1;
	t=DATAIN;
	LCD_CS=1;
#endif
	IOWR_ALTERA_AVALON_PIO_DIRECTION(LCD_DB_BASE, 0xffff);
	IOWR_ALTERA_AVALON_PIO_DATA(LCD_DB_BASE, 0xffff);    //ȫ
	return t;
}

//дĴ
//LCD_Reg:Ĵ
//LCD_RegValue:Ҫдֵ
void LCD_WriteReg(uint8_t LCD_Reg,uint16_t LCD_RegValue)
{
	LCD_WR_REG(LCD_Reg);
	LCD_WR_DATA(LCD_RegValue);
}

//Ĵ
//LCD_Reg:Ĵ
//ֵ:ֵ
uint16_t LCD_ReadReg(uint8_t LCD_Reg)
{
 	LCD_WR_REG(LCD_Reg);  //дҪļĴ
	return LCD_RD_DATA();
}

//ʼдGRAM
void LCD_WriteRAM_Prepare(void)
{
	if(DeviceCode==0X9341)LCD_WR_REG(0x2C);//ILI93410X2Cʼ
	else LCD_WR_REG(R34);
}

//LCDдGRAM
//RGB_Code:ɫֵ
void LCD_WriteRAM(uint16_t RGB_Code)
{
	LCD_WR_DATA(RGB_Code);//дʮλGRAM
}
//ILI93xxΪGBRʽдʱΪRGBʽ
//ͨúת
//c:GBRʽɫֵ
//ֵRGBʽɫֵ
uint16_t LCD_BGR2RGB(uint16_t c)
{
	uint16_t  r,g,b,rgb;
	b=(c>>0)&0x1f;
	g=(c>>5)&0x3f;
	r=(c>>11)&0x1f;
	rgb=(b<<11)+(g<<5)+(r<<0);
	return(rgb);
}
//ȡĳɫֵ
//x:0~239
//y:0~319
//ֵ:˵ɫ
uint16_t LCD_ReadPoint(uint16_t x,uint16_t y)
{
 	uint16_t r,g,b;
	if(x>=LCD_W||y>=LCD_H)return 0;			//˷Χ,ֱӷ
	LCD_SetCursor(x,y);
	if(DeviceCode==0X9341)LCD_WR_REG(0X2E);	//ILI9341ͶGRAMָ
	else LCD_WR_REG(R34);      		 		//ICͶGRAMָ
	IOWR_ALTERA_AVALON_PIO_DIRECTION(LCD_DB_BASE, 0x0000);
	IOWR_ALTERA_AVALON_PIO_DATA(LCD_DB_BASE, 0xffff);    //ȫ
#if LCD_FAST_IO==1 //IO
	LCD_RS_SET;
	LCD_CS_CLR;
	//ȡ(GRAMʱ,һΪٶ)
	LCD_RD_CLR;
  	usleep(1);//ʱ1us
	LCD_RD_SET;
 	//dummy READ
	LCD_RD_CLR;
	usleep(1);//ʱ1us
	LCD_RD_SET;
 	r=DATAIN;
 	if(DeviceCode==0X9341)
	{
		LCD_RD_CLR;
	 	LCD_RD_SET;
		b=DATAIN;//ȡɫֵ
		g=r&0XFF;//9341,һζȡRGֵ,Rǰ,Gں,ռ8λ
		g<<=8;
	}
	LCD_CS_SET;
#else
	LCD_RS=1;
	LCD_CS=0;
	//ȡ(GRAMʱ,Ҫ2)
	LCD_RD=0;
 	LCD_RD=1;
 	//dummy READ
	LCD_RD=0;
 	LCD_RD=1;
	r=DATAIN;
 	if(DeviceCode==0X9341)
	{
		LCD_RD=0;
	 	LCD_RD=1;
		b=DATAIN;//ȡɫֵ
		g=r&0XFF;//9341,һζȡRGֵ,Rǰ,Gں,ռ8λ
		g<<=8;
	}
	LCD_CS=1;
#endif
	IOWR_ALTERA_AVALON_PIO_DIRECTION(LCD_DB_BASE, 0xffff);
	IOWR_ALTERA_AVALON_PIO_DATA(LCD_DB_BASE, 0xffff);    //ȫ
	if(DeviceCode==0X9325||DeviceCode==0X4535||DeviceCode==0X4531||DeviceCode==0X8989||DeviceCode==0XB505)return r;	//⼸ICֱӷɫֵ
	else if(DeviceCode==0X9341)return (((r>>11)<<11)|((g>>10)<<5)|(b>>11));						//ILI9341Ҫʽתһ
	else return LCD_BGR2RGB(r);																	//IC
}
//LCDʾ
void LCD_DisplayOn(void)
{
	if(DeviceCode==0X9341)LCD_WR_REG(0X29);	//ʾ
	else LCD_WriteReg(R7,0x0173); 			//ʾ
}
//LCDرʾ
void LCD_DisplayOff(void)
{
	if(DeviceCode==0X9341)LCD_WR_REG(0X28);	//رʾ
	else LCD_WriteReg(R7, 0x0);//رʾ
}
//ùλ
//Xpos:
//Ypos:
__inline void LCD_SetCursor(uint16_t Xpos, uint16_t Ypos)
{
#if USE_HORIZONTAL==1
	if(DeviceCode==0X8989)
	{
		Xpos=319-Xpos;
		LCD_WriteReg(0X4E, Ypos);
		LCD_WriteReg(0X4F, Xpos);
    }else if(DeviceCode==0X9341)//9341,
	{
		LCD_WR_REG(0x2B);
		LCD_WR_DATA(Ypos>>8);
		LCD_WR_DATA(Ypos&0XFF);
		LCD_WR_REG(0x2A);
		LCD_WR_DATA(Xpos>>8);
		LCD_WR_DATA(Xpos&0XFF);
	}else
	{
		Xpos=319-Xpos;
		LCD_WriteReg(R32,Ypos);
		LCD_WriteReg(R33,Xpos);
	}
#else
	if(DeviceCode==0X8989)
	{
		LCD_WriteReg(0X4E, Xpos);
		LCD_WriteReg(0X4F, Ypos);
    }else if(DeviceCode==0X9341)
	{
		LCD_WR_REG(0x2A);
		LCD_WR_DATA(Xpos>>8);
		LCD_WR_DATA(Xpos&0XFF);
		LCD_WR_REG(0x2B);
		LCD_WR_DATA(Ypos>>8);
		LCD_WR_DATA(Ypos&0XFF);
	}else
	{
		LCD_WriteReg(R32, Xpos);
		LCD_WriteReg(R33, Ypos);
	}
#endif
}
//LCDԶɨ跽
//ע:ܻܵ˺õӰ(9341),,
//һΪL2R_U2D,Ϊɨ跽ʽ,ܵʾ.
//0~78(嶨lcd.h)
//9320/9325/9328/4531/4535/1505/b505/8989/5408/9341ICѾʵʲ
void LCD_Scan_Dir(uint8_t dir)
{
	uint16_t regval=0;
	uint8_t dirreg=0;
#if USE_HORIZONTAL//ʹú
	switch(dir)//ת
	{
		case 0:dir=6;break;
		case 1:dir=7;break;
		case 2:dir=4;break;
		case 3:dir=5;break;
		case 4:dir=1;break;
		case 5:dir=0;break;
		case 6:dir=3;break;
		case 7:dir=2;break;
	}
#endif
	if(DeviceCode==0x9341)//9341,
	{
		switch(dir)
		{
			case L2R_U2D://,ϵ
				regval|=(0<<7)|(0<<6)|(0<<5);
				break;
			case L2R_D2U://,µ
				regval|=(1<<7)|(0<<6)|(0<<5);
				break;
			case R2L_U2D://ҵ,ϵ
				regval|=(0<<7)|(1<<6)|(0<<5);
				break;
			case R2L_D2U://ҵ,µ
				regval|=(1<<7)|(1<<6)|(0<<5);
				break;
			case U2D_L2R://ϵ,
				regval|=(0<<7)|(0<<6)|(1<<5);
				break;
			case U2D_R2L://ϵ,ҵ
				regval|=(0<<7)|(1<<6)|(1<<5);
				break;
			case D2U_L2R://µ,
				regval|=(1<<7)|(0<<6)|(1<<5);
				break;
			case D2U_R2L://µ,ҵ
				regval|=(1<<7)|(1<<6)|(1<<5);
				break;
		}
		dirreg=0X36;
 		regval|=0X08;//BGR
		LCD_WriteReg(dirreg,regval);
		if(regval&0X20)
		{
 	 		LCD_WR_REG(0x2A);
			LCD_WR_DATA(0);LCD_WR_DATA(0);
			LCD_WR_DATA(319>>8);LCD_WR_DATA(319&0XFF);
	 		LCD_WR_REG(0x2B);
			LCD_WR_DATA(0);LCD_WR_DATA(0);
			LCD_WR_DATA(239>>8);LCD_WR_DATA(239&0XFF);
		}else
		{
 	 		LCD_WR_REG(0x2A);
			LCD_WR_DATA(0);LCD_WR_DATA(0);
			LCD_WR_DATA(239>>8);LCD_WR_DATA(239&0XFF);
	 		LCD_WR_REG(0x2B);
			LCD_WR_DATA(0);LCD_WR_DATA(0);
			LCD_WR_DATA(319>>8);LCD_WR_DATA(319&0XFF);
		}
 	}else
	{
		switch(dir)
		{
			case L2R_U2D://,ϵ
				regval|=(1<<5)|(1<<4)|(0<<3);
				break;
			case L2R_D2U://,µ
				regval|=(0<<5)|(1<<4)|(0<<3);
				break;
			case R2L_U2D://ҵ,ϵ
				regval|=(1<<5)|(0<<4)|(0<<3);
				break;
			case R2L_D2U://ҵ,µ
				regval|=(0<<5)|(0<<4)|(0<<3);
				break;
			case U2D_L2R://ϵ,
				regval|=(1<<5)|(1<<4)|(1<<3);
				break;
			case U2D_R2L://ϵ,ҵ
				regval|=(1<<5)|(0<<4)|(1<<3);
				break;
			case D2U_L2R://µ,
				regval|=(0<<5)|(1<<4)|(1<<3);
				break;
			case D2U_R2L://µ,ҵ
				regval|=(0<<5)|(0<<4)|(1<<3);
				break;
		}
		if(DeviceCode==0x8989)//8989 IC
		{
			dirreg=0X11;
			regval|=0X6040;	//65K
	 	}else//IC
		{
			dirreg=0X03;
			regval|=1<<12;
		}
		LCD_WriteReg(dirreg,regval);
	}
}
//
//x:0~239
//y:0~319
//POINT_COLOR:˵ɫ
void LCD_DrawPoint(uint16_t x,uint16_t y)
{
	LCD_SetCursor(x,y);		//ùλ
	LCD_WriteRAM_Prepare();	//ʼдGRAM
	LCD_WR_DATA(POINT_COLOR);
}
//ʼlcd
//óʼԳʼILI93XXҺ,ǻILI9320!!!
//ͺŵоƬûв!
void LCD_Init(void)
{
	usleep(50000); // delay 50 ms
	LCD_WriteReg(0x0000,0x0001);
	usleep(50000); // delay 50 ms
	DeviceCode = LCD_ReadReg(0x0000);
 	if(DeviceCode==0||DeviceCode==0XFFFF)//IDȷ
	{
		//9341,9341IDȡ
		LCD_WR_REG(0XD3);
		LCD_RD_DATA(); 			//dummy read
 		LCD_RD_DATA();   	    //0X00
  		DeviceCode=LCD_RD_DATA()&0XBF;//0XD3,ʵ0X93Ŷ.ǿȥ6λ
 		DeviceCode<<=8;
		DeviceCode|=LCD_RD_DATA();
	}
	//printf(" LCD ID:%x\r\n",DeviceCode); //ӡLCD ID
	if(DeviceCode==0X9341)	//9341ʼ
	{
		LCD_WR_REG(0xCF);
		LCD_WR_DATA(0x00);
		LCD_WR_DATA(0xC1);
		LCD_WR_DATA(0X30);
		LCD_WR_REG(0xED);
		LCD_WR_DATA(0x64);
		LCD_WR_DATA(0x03);
		LCD_WR_DATA(0X12);
		LCD_WR_DATA(0X81);
		LCD_WR_REG(0xE8);
		LCD_WR_DATA(0x85);
		LCD_WR_DATA(0x10);
		LCD_WR_DATA(0x7A);
		LCD_WR_REG(0xCB);
		LCD_WR_DATA(0x39);
		LCD_WR_DATA(0x2C);
		LCD_WR_DATA(0x00);
		LCD_WR_DATA(0x34);
		LCD_WR_DATA(0x02);
		LCD_WR_REG(0xF7);
		LCD_WR_DATA(0x20);
		LCD_WR_REG(0xEA);
		LCD_WR_DATA(0x00);
		LCD_WR_DATA(0x00);
		LCD_WR_REG(0xC0);    //Power control
		LCD_WR_DATA(0x1B);   //VRH[5:0]
		LCD_WR_REG(0xC1);    //Power control
		LCD_WR_DATA(0x01);   //SAP[2:0];BT[3:0]
		LCD_WR_REG(0xC5);    //VCM control
		LCD_WR_DATA(0x30); 	 //3F
		LCD_WR_DATA(0x30); 	 //3C
		LCD_WR_REG(0xC7);    //VCM control2
		LCD_WR_DATA(0XB7);
		LCD_WR_REG(0x36);    // Memory Access Control
		LCD_WR_DATA(0x48);
		LCD_WR_REG(0x3A);
		LCD_WR_DATA(0x55);
		LCD_WR_REG(0xB1);
		LCD_WR_DATA(0x00);
		LCD_WR_DATA(0x1A);
		LCD_WR_REG(0xB6);    // Display Function Control
		LCD_WR_DATA(0x0A);
		LCD_WR_DATA(0xA2);
		LCD_WR_REG(0xF2);    // 3Gamma Function Disable
		LCD_WR_DATA(0x00);
		LCD_WR_REG(0x26);    //Gamma curve selected
		LCD_WR_DATA(0x01);
		LCD_WR_REG(0xE0);    //Set Gamma
		LCD_WR_DATA(0x0F);
		LCD_WR_DATA(0x2A);
		LCD_WR_DATA(0x28);
		LCD_WR_DATA(0x08);
		LCD_WR_DATA(0x0E);
		LCD_WR_DATA(0x08);
		LCD_WR_DATA(0x54);
		LCD_WR_DATA(0XA9);
		LCD_WR_DATA(0x43);
		LCD_WR_DATA(0x0A);
		LCD_WR_DATA(0x0F);
		LCD_WR_DATA(0x00);
		LCD_WR_DATA(0x00);
		LCD_WR_DATA(0x00);
		LCD_WR_DATA(0x00);
		LCD_WR_REG(0XE1);    //Set Gamma
		LCD_WR_DATA(0x00);
		LCD_WR_DATA(0x15);
		LCD_WR_DATA(0x17);
		LCD_WR_DATA(0x07);
		LCD_WR_DATA(0x11);
		LCD_WR_DATA(0x06);
		LCD_WR_DATA(0x2B);
		LCD_WR_DATA(0x56);
		LCD_WR_DATA(0x3C);
		LCD_WR_DATA(0x05);
		LCD_WR_DATA(0x10);
		LCD_WR_DATA(0x0F);
		LCD_WR_DATA(0x3F);
		LCD_WR_DATA(0x3F);
		LCD_WR_DATA(0x0F);
		LCD_WR_REG(0x2B);
		LCD_WR_DATA(0x00);
		LCD_WR_DATA(0x00);
		LCD_WR_DATA(0x01);
		LCD_WR_DATA(0x3f);
		LCD_WR_REG(0x2A);
		LCD_WR_DATA(0x00);
		LCD_WR_DATA(0x00);
		LCD_WR_DATA(0x00);
		LCD_WR_DATA(0xef);
		LCD_WR_REG(0x11); //Exit Sleep
		usleep(120000);
		LCD_WR_REG(0x29); //display on
	}else if(DeviceCode==0x9325) //9325ʼ
	{
		LCD_WriteReg(0x00E5,0x78F0);
		LCD_WriteReg(0x0001,0x0100);
		LCD_WriteReg(0x0002,0x0700);
		LCD_WriteReg(0x0003,0x1030);
		LCD_WriteReg(0x0004,0x0000);
		LCD_WriteReg(0x0008,0x0202);
		LCD_WriteReg(0x0009,0x0000);
		LCD_WriteReg(0x000A,0x0000);
		LCD_WriteReg(0x000C,0x0000);
		LCD_WriteReg(0x000D,0x0000);
		LCD_WriteReg(0x000F,0x0000);
		//power on sequence VGHVGL
		LCD_WriteReg(0x0010,0x0000);
		LCD_WriteReg(0x0011,0x0007);
		LCD_WriteReg(0x0012,0x0000);
		LCD_WriteReg(0x0013,0x0000);
		LCD_WriteReg(0x0007,0x0000);
		//vgh
		LCD_WriteReg(0x0010,0x1690);
		LCD_WriteReg(0x0011,0x0227);
		//delayms(100);
		//vregiout
		LCD_WriteReg(0x0012,0x009D); //0x001b
		//delayms(100);
		//vom amplitude
		LCD_WriteReg(0x0013,0x1900);
		//delayms(100);
		//vom H
		LCD_WriteReg(0x0029,0x0025);
		LCD_WriteReg(0x002B,0x000D);
		//gamma
		LCD_WriteReg(0x0030,0x0007);
		LCD_WriteReg(0x0031,0x0303);
		LCD_WriteReg(0x0032,0x0003);// 0006
		LCD_WriteReg(0x0035,0x0206);
		LCD_WriteReg(0x0036,0x0008);
		LCD_WriteReg(0x0037,0x0406);
		LCD_WriteReg(0x0038,0x0304);//0200
		LCD_WriteReg(0x0039,0x0007);
		LCD_WriteReg(0x003C,0x0602);// 0504
		LCD_WriteReg(0x003D,0x0008);
		//ram
		LCD_WriteReg(0x0050,0x0000);
		LCD_WriteReg(0x0051,0x00EF);
		LCD_WriteReg(0x0052,0x0000);
		LCD_WriteReg(0x0053,0x013F);
		LCD_WriteReg(0x0060,0xA700);
		LCD_WriteReg(0x0061,0x0001);
		LCD_WriteReg(0x006A,0x0000);
		//
		LCD_WriteReg(0x0080,0x0000);
		LCD_WriteReg(0x0081,0x0000);
		LCD_WriteReg(0x0082,0x0000);
		LCD_WriteReg(0x0083,0x0000);
		LCD_WriteReg(0x0084,0x0000);
		LCD_WriteReg(0x0085,0x0000);
		//
		LCD_WriteReg(0x0090,0x0010);
		LCD_WriteReg(0x0092,0x0600);

		LCD_WriteReg(0x0007,0x0133);
		LCD_WriteReg(0x00,0x0022);//
	}else if(DeviceCode==0x9328)//ILI9328
	{
  		LCD_WriteReg(0x00e7,0x0010);
        LCD_WriteReg(0x0000,0x0001);//ڲʱ
        LCD_WriteReg(0x0001,0x0100);
        LCD_WriteReg(0x0002,0x0700);//Դ
		//LCD_WriteReg(0x0003,(1<<3)|(1<<4) ); 	//65K  RGB
		//DRIVE TABLE(Ĵ 03H)
		//BIT3=AM BIT4:5=ID0:1
		//AM ID0 ID1   FUNCATION
		// 0  0   0	   R->L D->U
		// 1  0   0	   D->U	R->L
		// 0  1   0	   L->R D->U
		// 1  1   0    D->U	L->R
		// 0  0   1	   R->L U->D
		// 1  0   1    U->D	R->L
		// 0  1   1    L->R U->D .
		// 1  1   1	   U->D	L->R
        LCD_WriteReg(0x0003,(1<<12)|(3<<4)|(0<<3) );//65K
        LCD_WriteReg(0x0004,0x0000);
        LCD_WriteReg(0x0008,0x0207);
        LCD_WriteReg(0x0009,0x0000);
        LCD_WriteReg(0x000a,0x0000);//display setting
        LCD_WriteReg(0x000c,0x0001);//display setting
        LCD_WriteReg(0x000d,0x0000);//0f3c
        LCD_WriteReg(0x000f,0x0000);
		//Դ
        LCD_WriteReg(0x0010,0x0000);
        LCD_WriteReg(0x0011,0x0007);
        LCD_WriteReg(0x0012,0x0000);
        LCD_WriteReg(0x0013,0x0000);
        usleep(50000);
        LCD_WriteReg(0x0010,0x1590);
        LCD_WriteReg(0x0011,0x0227);
        usleep(50000);
        LCD_WriteReg(0x0012,0x009c);
        usleep(50000);
        LCD_WriteReg(0x0013,0x1900);
        LCD_WriteReg(0x0029,0x0023);
        LCD_WriteReg(0x002b,0x000e);
        usleep(50000);
        LCD_WriteReg(0x0020,0x0000);
        LCD_WriteReg(0x0021,0x013f);
		usleep(50000);
		//٤У
        LCD_WriteReg(0x0030,0x0007);
        LCD_WriteReg(0x0031,0x0707);
        LCD_WriteReg(0x0032,0x0006);
        LCD_WriteReg(0x0035,0x0704);
        LCD_WriteReg(0x0036,0x1f04);
        LCD_WriteReg(0x0037,0x0004);
        LCD_WriteReg(0x0038,0x0000);
        LCD_WriteReg(0x0039,0x0706);
        LCD_WriteReg(0x003c,0x0701);
        LCD_WriteReg(0x003d,0x000f);
        usleep(50000);
        LCD_WriteReg(0x0050,0x0000); //ˮƽGRAMʼλ
        LCD_WriteReg(0x0051,0x00ef); //ˮƽGRAMֹλ
        LCD_WriteReg(0x0052,0x0000); //ֱGRAMʼλ
        LCD_WriteReg(0x0053,0x013f); //ֱGRAMֹλ

        LCD_WriteReg(0x0060,0xa700);
        LCD_WriteReg(0x0061,0x0001);
        LCD_WriteReg(0x006a,0x0000);
        LCD_WriteReg(0x0080,0x0000);
        LCD_WriteReg(0x0081,0x0000);
        LCD_WriteReg(0x0082,0x0000);
        LCD_WriteReg(0x0083,0x0000);
        LCD_WriteReg(0x0084,0x0000);
        LCD_WriteReg(0x0085,0x0000);

        LCD_WriteReg(0x0090,0x0010);
        LCD_WriteReg(0x0092,0x0000);
        LCD_WriteReg(0x0093,0x0003);
        LCD_WriteReg(0x0095,0x0110);
        LCD_WriteReg(0x0097,0x0000);
        LCD_WriteReg(0x0098,0x0000);
        //ʾ
        LCD_WriteReg(0x0007,0x0133);
        LCD_WriteReg(0x0020,0x0000);
        LCD_WriteReg(0x0021,0x013f);
	}else if(DeviceCode==0x9320||DeviceCode==0x9300)
	{
		LCD_WriteReg(0x00,0x0000);
		LCD_WriteReg(0x01,0x0100);	//Driver Output Contral.
		LCD_WriteReg(0x02,0x0700);	//LCD Driver Waveform Contral.
		LCD_WriteReg(0x03,0x1030);//Entry Mode Set.
		//LCD_WriteReg(0x03,0x1018);	//Entry Mode Set.

		LCD_WriteReg(0x04,0x0000);	//Scalling Contral.
		LCD_WriteReg(0x08,0x0202);	//Display Contral 2.(0x0207)
		LCD_WriteReg(0x09,0x0000);	//Display Contral 3.(0x0000)
		LCD_WriteReg(0x0a,0x0000);	//Frame Cycle Contal.(0x0000)
		LCD_WriteReg(0x0c,(1<<0));	//Extern Display Interface Contral 1.(0x0000)
		LCD_WriteReg(0x0d,0x0000);	//Frame Maker Position.
		LCD_WriteReg(0x0f,0x0000);	//Extern Display Interface Contral 2.
		usleep(50000);
		LCD_WriteReg(0x07,0x0101);	//Display Contral.
		usleep(50000);
		LCD_WriteReg(0x10,(1<<12)|(0<<8)|(1<<7)|(1<<6)|(0<<4));	//Power Control 1.(0x16b0)
		LCD_WriteReg(0x11,0x0007);								//Power Control 2.(0x0001)
		LCD_WriteReg(0x12,(1<<8)|(1<<4)|(0<<0));				//Power Control 3.(0x0138)
		LCD_WriteReg(0x13,0x0b00);								//Power Control 4.
		LCD_WriteReg(0x29,0x0000);								//Power Control 7.

		LCD_WriteReg(0x2b,(1<<14)|(1<<4));
		LCD_WriteReg(0x50,0);	//Set X Star
		//ˮƽGRAMֹλSet X End.
		LCD_WriteReg(0x51,239);	//Set Y Star
		LCD_WriteReg(0x52,0);	//Set Y End.t.
		LCD_WriteReg(0x53,319);	//

		LCD_WriteReg(0x60,0x2700);	//Driver Output Control.
		LCD_WriteReg(0x61,0x0001);	//Driver Output Control.
		LCD_WriteReg(0x6a,0x0000);	//Vertical Srcoll Control.

		LCD_WriteReg(0x80,0x0000);	//Display Position? Partial Display 1.
		LCD_WriteReg(0x81,0x0000);	//RAM Address Start? Partial Display 1.
		LCD_WriteReg(0x82,0x0000);	//RAM Address End-Partial Display 1.
		LCD_WriteReg(0x83,0x0000);	//Displsy Position? Partial Display 2.
		LCD_WriteReg(0x84,0x0000);	//RAM Address Start? Partial Display 2.
		LCD_WriteReg(0x85,0x0000);	//RAM Address End? Partial Display 2.

		LCD_WriteReg(0x90,(0<<7)|(16<<0));	//Frame Cycle Contral.(0x0013)
		LCD_WriteReg(0x92,0x0000);	//Panel Interface Contral 2.(0x0000)
		LCD_WriteReg(0x93,0x0001);	//Panel Interface Contral 3.
		LCD_WriteReg(0x95,0x0110);	//Frame Cycle Contral.(0x0110)
		LCD_WriteReg(0x97,(0<<8));	//
		LCD_WriteReg(0x98,0x0000);	//Frame Cycle Contral.
		LCD_WriteReg(0x07,0x0173);	//(0x0173)
	}else if(DeviceCode==0x5408)
	{
		LCD_WriteReg(0x01,0x0100);
		LCD_WriteReg(0x02,0x0700);//LCD Driving Waveform Contral
		LCD_WriteReg(0x03,0x1030);//Entry Mode
		//ָ϶µԶģʽ
		//Normal Mode(Window Mode disable)
		//RGBʽ
		//16λ2δ8
		LCD_WriteReg(0x04,0x0000); //Scalling Control register
		LCD_WriteReg(0x08,0x0207); //Display Control 2
		LCD_WriteReg(0x09,0x0000); //Display Control 3
		LCD_WriteReg(0x0A,0x0000); //Frame Cycle Control
		LCD_WriteReg(0x0C,0x0000); //External Display Interface Control 1
		LCD_WriteReg(0x0D,0x0000); //Frame Maker Position
		LCD_WriteReg(0x0F,0x0000); //External Display Interface Control 2
 		usleep(20000);
		//TFT Һɫͼʾ14
		LCD_WriteReg(0x10,0x16B0); //0x14B0 //Power Control 1
		LCD_WriteReg(0x11,0x0001); //0x0007 //Power Control 2
		LCD_WriteReg(0x17,0x0001); //0x0000 //Power Control 3
		LCD_WriteReg(0x12,0x0138); //0x013B //Power Control 4
		LCD_WriteReg(0x13,0x0800); //0x0800 //Power Control 5
		LCD_WriteReg(0x29,0x0009); //NVM read data 2
		LCD_WriteReg(0x2a,0x0009); //NVM read data 3
		LCD_WriteReg(0xa4,0x0000);
		LCD_WriteReg(0x50,0x0000); //òڵXῪʼ
		LCD_WriteReg(0x51,0x00EF); //òڵX
		LCD_WriteReg(0x52,0x0000); //òڵYῪʼ
		LCD_WriteReg(0x53,0x013F); //òڵY
		LCD_WriteReg(0x60,0x2700); //Driver Output Control
		//ĻĵԼɨʼ
		LCD_WriteReg(0x61,0x0001); //Driver Output Control
		LCD_WriteReg(0x6A,0x0000); //Vertical Scroll Control
		LCD_WriteReg(0x80,0x0000); //Display Position C Partial Display 1
		LCD_WriteReg(0x81,0x0000); //RAM Address Start C Partial Display 1
		LCD_WriteReg(0x82,0x0000); //RAM address End - Partial Display 1
		LCD_WriteReg(0x83,0x0000); //Display Position C Partial Display 2
		LCD_WriteReg(0x84,0x0000); //RAM Address Start C Partial Display 2
		LCD_WriteReg(0x85,0x0000); //RAM address End C Partail Display2
		LCD_WriteReg(0x90,0x0013); //Frame Cycle Control
		LCD_WriteReg(0x92,0x0000);  //Panel Interface Control 2
		LCD_WriteReg(0x93,0x0003); //Panel Interface control 3
		LCD_WriteReg(0x95,0x0110);  //Frame Cycle Control
		LCD_WriteReg(0x07,0x0173);
		usleep(50000);
	}
	else if(DeviceCode==0x1505)
	{
		// second release on 3/5  ,luminance is acceptable,water wave appear during camera preview
        LCD_WriteReg(0x0007,0x0000);
        usleep(50000);
        LCD_WriteReg(0x0012,0x011C);//0x011A   why need to set several times?
        LCD_WriteReg(0x00A4,0x0001);//NVM
        LCD_WriteReg(0x0008,0x000F);
        LCD_WriteReg(0x000A,0x0008);
        LCD_WriteReg(0x000D,0x0008);
  		//٤У
        LCD_WriteReg(0x0030,0x0707);
        LCD_WriteReg(0x0031,0x0007); //0x0707
        LCD_WriteReg(0x0032,0x0603);
        LCD_WriteReg(0x0033,0x0700);
        LCD_WriteReg(0x0034,0x0202);
        LCD_WriteReg(0x0035,0x0002); //?0x0606
        LCD_WriteReg(0x0036,0x1F0F);
        LCD_WriteReg(0x0037,0x0707); //0x0f0f  0x0105
        LCD_WriteReg(0x0038,0x0000);
        LCD_WriteReg(0x0039,0x0000);
        LCD_WriteReg(0x003A,0x0707);
        LCD_WriteReg(0x003B,0x0000); //0x0303
        LCD_WriteReg(0x003C,0x0007); //?0x0707
        LCD_WriteReg(0x003D,0x0000); //0x1313//0x1f08
        usleep(50000);
        LCD_WriteReg(0x0007,0x0001);
        LCD_WriteReg(0x0017,0x0001);//Դ
        usleep(50000);
  		//Դ
        LCD_WriteReg(0x0010,0x17A0);
        LCD_WriteReg(0x0011,0x0217);//reference voltage VC[2:0]   Vciout = 1.00*Vcivl
        LCD_WriteReg(0x0012,0x011E);//0x011c  //Vreg1out = Vcilvl*1.80   is it the same as Vgama1out ?
        LCD_WriteReg(0x0013,0x0F00);//VDV[4:0]-->VCOM Amplitude VcomL = VcomH - Vcom Ampl
        LCD_WriteReg(0x002A,0x0000);
        LCD_WriteReg(0x0029,0x000A);//0x0001F  Vcomh = VCM1[4:0]*Vreg1out    gate source voltage??
        LCD_WriteReg(0x0012,0x013E);// 0x013C  power supply on
        //Coordinates Control//
        LCD_WriteReg(0x0050,0x0000);//0x0e00
        LCD_WriteReg(0x0051,0x00EF);
        LCD_WriteReg(0x0052,0x0000);
        LCD_WriteReg(0x0053,0x013F);
    	//Pannel Image Control//
        LCD_WriteReg(0x0060,0x2700);
        LCD_WriteReg(0x0061,0x0001);
        LCD_WriteReg(0x006A,0x0000);
        LCD_WriteReg(0x0080,0x0000);
    	//Partial Image Control//
        LCD_WriteReg(0x0081,0x0000);
        LCD_WriteReg(0x0082,0x0000);
        LCD_WriteReg(0x0083,0x0000);
        LCD_WriteReg(0x0084,0x0000);
        LCD_WriteReg(0x0085,0x0000);
  		//Panel Interface Control//
        LCD_WriteReg(0x0090,0x0013);//0x0010 frenqucy
        LCD_WriteReg(0x0092,0x0300);
        LCD_WriteReg(0x0093,0x0005);
        LCD_WriteReg(0x0095,0x0000);
        LCD_WriteReg(0x0097,0x0000);
        LCD_WriteReg(0x0098,0x0000);

        LCD_WriteReg(0x0001,0x0100);
        LCD_WriteReg(0x0002,0x0700);
        LCD_WriteReg(0x0003,0x1030);
        LCD_WriteReg(0x0004,0x0000);
        LCD_WriteReg(0x000C,0x0000);
        LCD_WriteReg(0x000F,0x0000);
        LCD_WriteReg(0x0020,0x0000);
        LCD_WriteReg(0x0021,0x0000);
        LCD_WriteReg(0x0007,0x0021);
        usleep(20000);
        LCD_WriteReg(0x0007,0x0061);
        usleep(20000);
        LCD_WriteReg(0x0007,0x0173);
        usleep(20000);
	}else if(DeviceCode==0xB505)
	{
		LCD_WriteReg(0x0000,0x0000);
		LCD_WriteReg(0x0000,0x0000);
		LCD_WriteReg(0x0000,0x0000);
		LCD_WriteReg(0x0000,0x0000);

		LCD_WriteReg(0x00a4,0x0001);
		usleep(20000);
		LCD_WriteReg(0x0060,0x2700);
		LCD_WriteReg(0x0008,0x0202);

		LCD_WriteReg(0x0030,0x0214);
		LCD_WriteReg(0x0031,0x3715);
		LCD_WriteReg(0x0032,0x0604);
		LCD_WriteReg(0x0033,0x0e16);
		LCD_WriteReg(0x0034,0x2211);
		LCD_WriteReg(0x0035,0x1500);
		LCD_WriteReg(0x0036,0x8507);
		LCD_WriteReg(0x0037,0x1407);
		LCD_WriteReg(0x0038,0x1403);
		LCD_WriteReg(0x0039,0x0020);

		LCD_WriteReg(0x0090,0x001a);
		LCD_WriteReg(0x0010,0x0000);
		LCD_WriteReg(0x0011,0x0007);
		LCD_WriteReg(0x0012,0x0000);
		LCD_WriteReg(0x0013,0x0000);
		usleep(20000);

		LCD_WriteReg(0x0010,0x0730);
		LCD_WriteReg(0x0011,0x0137);
		usleep(20000);

		LCD_WriteReg(0x0012,0x01b8);
		usleep(20000);

		LCD_WriteReg(0x0013,0x0f00);
		LCD_WriteReg(0x002a,0x0080);
		LCD_WriteReg(0x0029,0x0048);
		usleep(20000);

		LCD_WriteReg(0x0001,0x0100);
		LCD_WriteReg(0x0002,0x0700);
		LCD_WriteReg(0x0003,0x1230);
		LCD_WriteReg(0x0008,0x0202);
		LCD_WriteReg(0x000a,0x0000);
		LCD_WriteReg(0x000c,0x0000);
		LCD_WriteReg(0x000d,0x0000);
		LCD_WriteReg(0x000e,0x0030);
		LCD_WriteReg(0x0050,0x0000);
		LCD_WriteReg(0x0051,0x00ef);
		LCD_WriteReg(0x0052,0x0000);
		LCD_WriteReg(0x0053,0x013f);
		LCD_WriteReg(0x0060,0x2700);
		LCD_WriteReg(0x0061,0x0001);
		LCD_WriteReg(0x006a,0x0000);
		//LCD_WriteReg(0x0080,0x0000);
		//LCD_WriteReg(0x0081,0x0000);
		LCD_WriteReg(0x0090,0X0011);
		LCD_WriteReg(0x0092,0x0600);
		LCD_WriteReg(0x0093,0x0402);
		LCD_WriteReg(0x0094,0x0002);
		usleep(20000);

		LCD_WriteReg(0x0007,0x0001);
		usleep(20000);
		LCD_WriteReg(0x0007,0x0061);
		LCD_WriteReg(0x0007,0x0173);

		LCD_WriteReg(0x0020,0x0000);
		LCD_WriteReg(0x0021,0x0000);
		LCD_WriteReg(0x00,0x22);
	}else if(DeviceCode==0xC505)
	{
		LCD_WriteReg(0x0000,0x0000);
		LCD_WriteReg(0x0000,0x0000);
		usleep(20000);
		LCD_WriteReg(0x0000,0x0000);
		LCD_WriteReg(0x0000,0x0000);
		LCD_WriteReg(0x0000,0x0000);
		LCD_WriteReg(0x0000,0x0000);
 		LCD_WriteReg(0x00a4,0x0001);
		usleep(20000);
		LCD_WriteReg(0x0060,0x2700);
		LCD_WriteReg(0x0008,0x0806);

		LCD_WriteReg(0x0030,0x0703);//gamma setting
		LCD_WriteReg(0x0031,0x0001);
		LCD_WriteReg(0x0032,0x0004);
		LCD_WriteReg(0x0033,0x0102);
		LCD_WriteReg(0x0034,0x0300);
		LCD_WriteReg(0x0035,0x0103);
		LCD_WriteReg(0x0036,0x001F);
		LCD_WriteReg(0x0037,0x0703);
		LCD_WriteReg(0x0038,0x0001);
		LCD_WriteReg(0x0039,0x0004);



		LCD_WriteReg(0x0090, 0x0015);	//80Hz
		LCD_WriteReg(0x0010, 0X0410);	//BT,AP
		LCD_WriteReg(0x0011,0x0247);	//DC1,DC0,VC
		LCD_WriteReg(0x0012, 0x01BC);
		LCD_WriteReg(0x0013, 0x0e00);
		usleep(120000);
		LCD_WriteReg(0x0001, 0x0100);
		LCD_WriteReg(0x0002, 0x0200);
		LCD_WriteReg(0x0003, 0x1030);

		LCD_WriteReg(0x000A, 0x0008);
		LCD_WriteReg(0x000C, 0x0000);

		LCD_WriteReg(0x000E, 0x0020);
		LCD_WriteReg(0x000F, 0x0000);
		LCD_WriteReg(0x0020, 0x0000);	//H Start
		LCD_WriteReg(0x0021, 0x0000);	//V Start
		LCD_WriteReg(0x002A,0x003D);	//vcom2
		usleep(20000);
		LCD_WriteReg(0x0029, 0x002d);
		LCD_WriteReg(0x0050, 0x0000);
		LCD_WriteReg(0x0051, 0xD0EF);
		LCD_WriteReg(0x0052, 0x0000);
		LCD_WriteReg(0x0053, 0x013F);
		LCD_WriteReg(0x0061, 0x0000);
		LCD_WriteReg(0x006A, 0x0000);
		LCD_WriteReg(0x0092,0x0300);

 		LCD_WriteReg(0x0093, 0x0005);
		LCD_WriteReg(0x0007, 0x0100);
	}else if(DeviceCode==0x8989)
	{
		LCD_WriteReg(0x0000,0x0001);//򿪾
    	LCD_WriteReg(0x0003,0xA8A4);//0xA8A4
    	LCD_WriteReg(0x000C,0x0000);
    	LCD_WriteReg(0x000D,0x080C);
    	LCD_WriteReg(0x000E,0x2B00);
    	LCD_WriteReg(0x001E,0x00B0);
    	LCD_WriteReg(0x0001,0x2B3F);//320*240  0x6B3F
    	LCD_WriteReg(0x0002,0x0600);
    	LCD_WriteReg(0x0010,0x0000);
    	LCD_WriteReg(0x0011,0x6070); //ݸʽ  16λɫ 		 0x6058
    	LCD_WriteReg(0x0005,0x0000);
    	LCD_WriteReg(0x0006,0x0000);
    	LCD_WriteReg(0x0016,0xEF1C);
    	LCD_WriteReg(0x0017,0x0003);
    	LCD_WriteReg(0x0007,0x0233); //0x0233
    	LCD_WriteReg(0x000B,0x0000);
    	LCD_WriteReg(0x000F,0x0000); //ɨ迪ʼַ
    	LCD_WriteReg(0x0041,0x0000);
    	LCD_WriteReg(0x0042,0x0000);
    	LCD_WriteReg(0x0048,0x0000);
    	LCD_WriteReg(0x0049,0x013F);
    	LCD_WriteReg(0x004A,0x0000);
    	LCD_WriteReg(0x004B,0x0000);
    	LCD_WriteReg(0x0044,0xEF00);
    	LCD_WriteReg(0x0045,0x0000);
    	LCD_WriteReg(0x0046,0x013F);
    	LCD_WriteReg(0x0030,0x0707);
    	LCD_WriteReg(0x0031,0x0204);
    	LCD_WriteReg(0x0032,0x0204);
    	LCD_WriteReg(0x0033,0x0502);
    	LCD_WriteReg(0x0034,0x0507);
    	LCD_WriteReg(0x0035,0x0204);
    	LCD_WriteReg(0x0036,0x0204);
    	LCD_WriteReg(0x0037,0x0502);
    	LCD_WriteReg(0x003A,0x0302);
    	LCD_WriteReg(0x003B,0x0302);
    	LCD_WriteReg(0x0023,0x0000);
    	LCD_WriteReg(0x0024,0x0000);
    	LCD_WriteReg(0x0025,0x8000);
    	LCD_WriteReg(0x004f,0);        //ַ0
    	LCD_WriteReg(0x004e,0);        //ַ0
	}else if(DeviceCode==0x4531)
	{
		LCD_WriteReg(0X00,0X0001);
		usleep(10000);
		LCD_WriteReg(0X10,0X1628);
		LCD_WriteReg(0X12,0X000e);//0x0006
		LCD_WriteReg(0X13,0X0A39);
		usleep(10000);
		LCD_WriteReg(0X11,0X0040);
		LCD_WriteReg(0X15,0X0050);
		usleep(10000);
		LCD_WriteReg(0X12,0X001e);//16
		usleep(10000);
		LCD_WriteReg(0X10,0X1620);
		LCD_WriteReg(0X13,0X2A39);
		usleep(10000);
		LCD_WriteReg(0X01,0X0100);
		LCD_WriteReg(0X02,0X0300);
		LCD_WriteReg(0X03,0X1030);//ı䷽
		LCD_WriteReg(0X08,0X0202);
		LCD_WriteReg(0X0A,0X0008);
		LCD_WriteReg(0X30,0X0000);
		LCD_WriteReg(0X31,0X0402);
		LCD_WriteReg(0X32,0X0106);
		LCD_WriteReg(0X33,0X0503);
		LCD_WriteReg(0X34,0X0104);
		LCD_WriteReg(0X35,0X0301);
		LCD_WriteReg(0X36,0X0707);
		LCD_WriteReg(0X37,0X0305);
		LCD_WriteReg(0X38,0X0208);
		LCD_WriteReg(0X39,0X0F0B);
		LCD_WriteReg(0X41,0X0002);
		LCD_WriteReg(0X60,0X2700);
		LCD_WriteReg(0X61,0X0001);
		LCD_WriteReg(0X90,0X0210);
		LCD_WriteReg(0X92,0X010A);
		LCD_WriteReg(0X93,0X0004);
		LCD_WriteReg(0XA0,0X0100);
		LCD_WriteReg(0X07,0X0001);
		LCD_WriteReg(0X07,0X0021);
		LCD_WriteReg(0X07,0X0023);
		LCD_WriteReg(0X07,0X0033);
		LCD_WriteReg(0X07,0X0133);
		LCD_WriteReg(0XA0,0X0000);
	}else if(DeviceCode==0x4535)
	{
		LCD_WriteReg(0X15,0X0030);
		LCD_WriteReg(0X9A,0X0010);
 		LCD_WriteReg(0X11,0X0020);
 		LCD_WriteReg(0X10,0X3428);
		LCD_WriteReg(0X12,0X0002);//16
 		LCD_WriteReg(0X13,0X1038);
		usleep(40000);
		LCD_WriteReg(0X12,0X0012);//16
		usleep(40000);
  		LCD_WriteReg(0X10,0X3420);
 		LCD_WriteReg(0X13,0X3038);
 		usleep(40000);
		LCD_WriteReg(0X30,0X0000);
		LCD_WriteReg(0X31,0X0402);
		LCD_WriteReg(0X32,0X0307);
		LCD_WriteReg(0X33,0X0304);
		LCD_WriteReg(0X34,0X0004);
		LCD_WriteReg(0X35,0X0401);
		LCD_WriteReg(0X36,0X0707);
		LCD_WriteReg(0X37,0X0305);
		LCD_WriteReg(0X38,0X0610);
		LCD_WriteReg(0X39,0X0610);

		LCD_WriteReg(0X01,0X0100);
		LCD_WriteReg(0X02,0X0300);
		LCD_WriteReg(0X03,0X1030);//ı䷽
		LCD_WriteReg(0X08,0X0808);
		LCD_WriteReg(0X0A,0X0008);
 		LCD_WriteReg(0X60,0X2700);
		LCD_WriteReg(0X61,0X0001);
		LCD_WriteReg(0X90,0X013E);
		LCD_WriteReg(0X92,0X0100);
		LCD_WriteReg(0X93,0X0100);
 		LCD_WriteReg(0XA0,0X3000);
 		LCD_WriteReg(0XA3,0X0010);
		LCD_WriteReg(0X07,0X0001);
		LCD_WriteReg(0X07,0X0021);
		LCD_WriteReg(0X07,0X0023);
		LCD_WriteReg(0X07,0X0033);
		LCD_WriteReg(0X07,0X0133);
	}
	LCD_Scan_Dir(DFT_SCAN_DIR);
	IOWR_ALTERA_AVALON_PIO_DATA(LCD_BL_BASE, 1);//
	LCD_Clear(WHITE);
}

//
//Color:Ҫɫ
void LCD_Clear(uint16_t Color)
{
	uint32_t index=0;
	LCD_SetCursor(0x00,0x0000);//ùλ
	LCD_WriteRAM_Prepare();     //ʼдGRAM
	for(index=0;index<76800;index++)
	{
		LCD_WR_DATA(Color);
	}
}
//ָָɫ
//С:(xend-xsta+1)*(yend-ysta+1)
//xsta
//color:Ҫɫ
void LCD_Fill(uint16_t sx,uint16_t sy,uint16_t ex,uint16_t ey,uint16_t color)
{
	uint16_t i,j;
	uint16_t xlen=0;
	LCD_Scan_Dir(L2R_U2D);
#if USE_HORIZONTAL==1
	xlen=ey-sy+1;
	for(i=sx;i<=ex;i++)
	{
	 	LCD_SetCursor(i,sy);      				//ùλ
		LCD_WriteRAM_Prepare();     			//ʼдGRAM
		for(j=0;j<xlen;j++)LCD_WR_DATA(color);	//ùλ
	}
#else
	xlen=ex-sx+1;
	for(i=sy;i<=ey;i++)
	{
	 	LCD_SetCursor(sx,i);      				//ùλ
		LCD_WriteRAM_Prepare();     			//ʼдGRAM
		for(j=0;j<xlen;j++)LCD_WR_DATA(color);	//ùλ
	}
#endif
	LCD_Scan_Dir(DFT_SCAN_DIR);
}

//
//x1,y1:
//x2,y2:յ
void LCD_DrawLine(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2)
{
	uint16_t t;
	int xerr=0,yerr=0,delta_x,delta_y,distance;
	int incx,incy,uRow,uCol;

	delta_x=x2-x1; //
	delta_y=y2-y1;
	uRow=x1;
	uCol=y1;
	if(delta_x>0)incx=1; //õ
	else if(delta_x==0)incx=0;//ֱ
	else {incx=-1;delta_x=-delta_x;}
	if(delta_y>0)incy=1;
	else if(delta_y==0)incy=0;//ˮƽ
	else{incy=-1;delta_y=-delta_y;}
	if( delta_x>delta_y)distance=delta_x; //ѡȡ
	else distance=delta_y;
	for(t=0;t<=distance+1;t++ )//
	{
		LCD_DrawPoint(uRow,uCol);//
		xerr+=delta_x ;
		yerr+=delta_y ;
		if(xerr>distance)
		{
			xerr-=distance;
			uRow+=incx;
		}
		if(yerr>distance)
		{
			yerr-=distance;
			uCol+=incy;
		}
	}
}
//
void LCD_DrawRectangle(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2)
{
	LCD_DrawLine(x1,y1,x2,y1);
	LCD_DrawLine(x1,y1,x1,y2);
	LCD_DrawLine(x1,y2,x2,y2);
	LCD_DrawLine(x2,y1,x2,y2);
}
//ָλûһָСԲ
//(x,y):ĵ
//r    :뾶
void Draw_Circle(uint16_t x0,uint16_t y0,uint8_t r)
{
	int a,b;
	int di;
	a=0;b=r;
	di=3-(r<<1);             //ж¸λõı־
	while(a<=b)
	{
		LCD_DrawPoint(x0-b,y0-a);             //3
		LCD_DrawPoint(x0+b,y0-a);             //0
		LCD_DrawPoint(x0-a,y0+b);             //1
		LCD_DrawPoint(x0-b,y0-a);             //7
		LCD_DrawPoint(x0-a,y0-b);             //2
		LCD_DrawPoint(x0+b,y0+a);             //4
		LCD_DrawPoint(x0+a,y0-b);             //5
		LCD_DrawPoint(x0+a,y0+b);             //6
		LCD_DrawPoint(x0-b,y0+a);
		a++;
		//ʹBresenham㷨Բ
		if(di<0)di +=4*a+6;
		else
		{
			di+=10+4*(a-b);
			b--;
		}
		LCD_DrawPoint(x0+a,y0+b);
	}
}
//ָλʾһַ
//x:0~234
//y:0~308
//num:Ҫʾַ:" "--->"~"
//size:С 12/16
//mode:ӷʽ(1)Ƿǵӷʽ(0)
//ָλʾһַ
//x:0~234
//y:0~308
//num:Ҫʾַ:" "--->"~"
//size:С 12/16
//mode:ӷʽ(1)Ƿǵӷʽ(0)
void LCD_ShowChar(uint16_t x,uint16_t y,uint8_t num,uint8_t size,uint8_t mode)
{
#if USE_HORIZONTAL==1
#define MAX_CHAR_POSX 312
#define MAX_CHAR_POSY 232
#else
#define MAX_CHAR_POSX 232
#define MAX_CHAR_POSY 312
#endif
    uint8_t temp;
    uint8_t pos,t;
	uint16_t x0=x;
	uint16_t colortemp=POINT_COLOR;
    if(x>MAX_CHAR_POSX||y>MAX_CHAR_POSY)return;
	//ô
	num=num-' ';//õƫƺֵ
	if(!mode) //ǵӷʽ
	{
		for(pos=0;pos<size;pos++)
		{
			if(size==12)temp=asc2_1206[num][pos];//1206
			else temp=asc2_1608[num][pos];		 //1608
			for(t=0;t<size/2;t++)
		    {
		        if(temp&0x01)POINT_COLOR=colortemp;
				else POINT_COLOR=BACK_COLOR;
				LCD_DrawPoint(x,y);
				temp>>=1;
				x++;
		    }
			x=x0;
			y++;
		}
	}else//ӷʽ
	{
		for(pos=0;pos<size;pos++)
		{
			if(size==12)temp=asc2_1206[num][pos];//1206
			else temp=asc2_1608[num][pos];		 //1608
			for(t=0;t<size/2;t++)
		    {
		        if(temp&0x01)LCD_DrawPoint(x+t,y+pos);//һ
		        temp>>=1;
		    }
		}
	}
	POINT_COLOR=colortemp;
}
//m^n
uint32_t mypow(uint8_t m,uint8_t n)
{
	uint32_t result=1;
	while(n--)result*=m;
	return result;
}
//ʾ2
//x,y :
//len :ֵλ
//size:С
//color:ɫ
//num:ֵ(0~4294967295);
void LCD_ShowNum(uint16_t x,uint16_t y,uint32_t num,uint8_t len,uint8_t size)
{
	uint8_t t,temp;
	uint8_t enshow=0;
	for(t=0;t<len;t++)
	{
		temp=(num/mypow(10,len-t-1))%10;
		if(enshow==0&&t<(len-1))
		{
			if(temp==0)
			{
				LCD_ShowChar(x+(size/2)*t,y,' ',size,0);
				continue;
			}else enshow=1;

		}
	 	LCD_ShowChar(x+(size/2)*t,y,temp+'0',size,0);
	}
}
//ʾ2
//x,y:
//size:С
//mode:ģʽ	0,ģʽ;1,ģʽ
//num:ֵ(0~99);
void LCD_Show2Num(uint16_t x,uint16_t y,uint16_t num,uint8_t len,uint8_t size,uint8_t mode)
{
	uint8_t t,temp;
	for(t=0;t<len;t++)
	{
		temp=(num/mypow(10,len-t-1))%10;
	 	LCD_ShowChar(x+(size/2)*t,y,temp+'0',size,mode);
	}
}
//ʾַ
//x,y:
//*p:ַʼַ
//16
void LCD_ShowString(uint16_t x,uint16_t y,const uint8_t *p)
{
    while(*p!='\0')
    {
        if(x>MAX_CHAR_POSX){x=0;y+=16;}
        if(y>MAX_CHAR_POSY){y=x=0;LCD_Clear(WHITE);}
        LCD_ShowChar(x,y,*p,16,0);
        x+=8;
        p++;
    }
}


void LCD_ShowPic(uint8_t *p)
{
	int i;
	LCD_SetCursor(0, 0);
	LCD_WriteRAM_Prepare();	//ʼдGRAM
	for(i=0;i<320*240*2;)
	{
		LCD_WR_DATA((p[i]<<8)|p[i+1]);
		i=i+2;
	}
}
