tft.c

FAT32文件系统源码

			
#include "tft.h"
unsigned char mode;
void ClearScreen(unsigned int x0,unsigned int xlong,unsigned int y0,unsigned int ylong,unsigned int bColor)
{
 unsigned int i,j;
 LCD_SetPos(x0,x0+xlong,y0,y0+ylong);//320x240
 for (i=y0;i<ylong;i++)
	{
	
	   for (j=x0;j<xlong;j++)
	       Write_Data_U16(bColor);

	}
}

//////////////////////////////////////////////////////////////////////////////////////////////
#include "8X16.h"
void LCD_PutChar8x16(unsigned short x, unsigned short y, char c, unsigned int fColor, unsigned int bColor)
{
 unsigned int i,j;
 unsigned short x0,y0;
 if(mode==0)
  {x0=x;
   y0=y;
   for(i=0; i<16;i++) 
       {
		unsigned char m=Font8x16[c*16+i];
		for(j=0;j<8;j++)
		 {
			if((m&0x80)==0x80) 
			    {
				LCD_SetPos(x0+j,x0+j,y0+i,y0+i);
				Write_Data_U16(fColor);
				}
			m<<=1;
		 }
		}
  }	
 if(mode)
 {
 LCD_SetPos(x,x+8-1,y,y+16-1);
 for(i=0; i<16;i++) 
   {
		unsigned char m=Font8x16[c*16+i];
		for(j=0;j<8;j++) 
		 {
			if((m&0x80)==0x80) 
			    {
				Write_Data_U16(fColor);
				}
			else 
			    {
				Write_Data_U16(bColor);
				}
			m<<=1;
		}
   }			
 } 	
 /*unsigned int i,j;
 LCD_SetPos(x,x+8-1,y,y+16-1);
 for(i=0; i<16;i++) {
		unsigned char m=Font8x16[c*16+i];
		for(j=0;j<8;j++) {
			if((m&0x80)==0x80) {
				Write_Data_U16(fColor);
				}
			else {
				Write_Data_U16(bColor);
				//LCD_SetPos(x+j,x+j,y+i,y+i);
				}
			
			m<<=1;
			}
		}
  */
}


void LCD_PutChar(unsigned short x, unsigned short y, char c, unsigned int fColor, unsigned int bColor) {

		LCD_PutChar8x16( x, y, c, fColor, bColor );
	}


/*#include "GB1616.h"	//16*16汉字字模

void PutGB1616(unsigned short x, unsigned short  y, unsigned char c[2], unsigned int fColor,unsigned int bColor){
	unsigned int i,j,k;

	LCD_SetPos(x,  x+16-1,y, y+16-1);

	for (k=0;k<80;k++) { //64标示自建汉字库中的个数，循环查询内码
	  if ((codeGB_16[k].Index[0]==c[0])&&(codeGB_16[k].Index[1]==c[1])){ 
    	for(i=0;i<32;i++) {
		  unsigned short m=codeGB_16[k].Msk[i];
		  for(j=0;j<8;j++) {
			if((m&0x80)==0x80) {
				Write_Data_U16(fColor);
				}
			else {
				Write_Data_U16(bColor);
				}
			m<<=1;
			} 
		  }
		}  
	  }	
	}  
 
void PutGB3232(unsigned short x, unsigned short  y, unsigned char c[2], unsigned int fColor,unsigned int bColor)
{
	unsigned int i,j,k;

	LCD_SetPos(x,  x+32-1,y, y+32-1);

	for (k=0;k<50;k++) { //15标示自建汉字库中的个数，循环查询内码
	  if ((codeGB_32[k].Index[0]==c[0])&&(codeGB_32[k].Index[1]==c[1])){ 
    	for(i=0;i<128;i++) {
		  unsigned short m=codeGB_32[k].Msk[i];
		  for(j=0;j<8;j++) {
			if((m&0x80)==0x80) {
				Write_Data_U16(fColor);
				}
			else {
				Write_Data_U16(bColor);
				}
			m<<=1;
			} 
		  }
		}  
	  }	
	}	
	   */
void LCD_PutString(unsigned short x, unsigned short y, unsigned char *s, unsigned int fColor, unsigned int bColor) {
	 unsigned char l=0;
	while(*s) {
		if( *s < 0x80) 
		    {
			LCD_PutChar(x+l*8,y,*s,fColor,bColor);
			s++;l++;
			}
		else
		    {
			PutGB1616/*PutGB3232*/(x+l*8,y,(unsigned char*)s,fColor,bColor);
			s+=2;l+=2;
			}
		}
	}


//=======================================================//



void  Write_Cmd_Data (unsigned char x,unsigned int y)
{
	unsigned char m,n;
	m=y>>8;
	n=y;
	Write_Cmd(0x00,x);
	Write_Data(m,n);

}


void  Write_Data_U16(unsigned int y)
{
	unsigned char m,n;
	m=y>>8;
	n=y;
	Write_Data(m,n);

}
//====================== 写命令 ==========================//

void Write_Cmd(unsigned char DH,unsigned char DL)
{
  
 	

	CS=0;
	RS=0;

	P2=DH;
	RW=0;
	RW=1;

	P2=DL;
	
	RW=0;
	RW=1;
	CS=1;
}

//===================== 写数据 ===========================//

void Write_Data(unsigned char DH,unsigned char DL)
{
 
  
	
	CS=0;
	
	RS=1;
	P2=DH;
	RW=0;
    RW=1;

	P2=DL;	
	RW=0;
	RW=1;
	CS=1;
}





//=======================================================
void delayms(unsigned int count)
{
    int i,j;                                                                                
    for(i=0;i<count;i++)                                                                    
       {
	     for(j=0;j<260;j++);
       }                                                                                     
}



//===================== 初始化代码 =======================//

void ILI9325_Initial(void)
{ 

 	CS=1;
	delayms(5);
	RES=0;
	delayms(5);
	RES=1;
	delayms(5);
 delayms(50);
 Write_Cmd_Data(0x0001,0x0100); 
 Write_Cmd_Data(0x0002,0x0700); 
 Write_Cmd_Data(0x0003,0x1030); 
 Write_Cmd_Data(0x0004,0x0000); 
 Write_Cmd_Data(0x0008,0x0207);  
 Write_Cmd_Data(0x0009,0x0000);
 Write_Cmd_Data(0x000A,0x0000); 
 Write_Cmd_Data(0x000C,0x0000); 
 Write_Cmd_Data(0x000D,0x0000);
 Write_Cmd_Data(0x000F,0x0000);
//power on sequence VGHVGL
 Write_Cmd_Data(0x0010,0x0000);   
 Write_Cmd_Data(0x0011,0x0007);  
 Write_Cmd_Data(0x0012,0x0000);  
 Write_Cmd_Data(0x0013,0x0000); 
//vgh 
 Write_Cmd_Data(0x0010,0x1290);   
 Write_Cmd_Data(0x0011,0x0227);
 //delayms(100);
 //vregiout 
 Write_Cmd_Data(0x0012,0x001d); //0x001b
 //delayms(100); 
 //vom amplitude
 Write_Cmd_Data(0x0013,0x1500);
 //delayms(100); 
 //vom H
 Write_Cmd_Data(0x0029,0x0018); 
 Write_Cmd_Data(0x002B,0x000D); 

//gamma
 Write_Cmd_Data(0x0030,0x0004);
 Write_Cmd_Data(0x0031,0x0307);
 Write_Cmd_Data(0x0032,0x0002);// 0006
 Write_Cmd_Data(0x0035,0x0206);
 Write_Cmd_Data(0x0036,0x0408);
 Write_Cmd_Data(0x0037,0x0507); 
 Write_Cmd_Data(0x0038,0x0204);//0200
 Write_Cmd_Data(0x0039,0x0707); 
 Write_Cmd_Data(0x003C,0x0405);// 0504
 Write_Cmd_Data(0x003D,0x0F02); 
 //ram
 Write_Cmd_Data(0x0050,0x0000); 
 Write_Cmd_Data(0x0051,0x00EF);
 Write_Cmd_Data(0x0052,0x0000); 
 Write_Cmd_Data(0x0053,0x013F);  
 Write_Cmd_Data(0x0060,0xA700); 
 Write_Cmd_Data(0x0061,0x0001); 
 Write_Cmd_Data(0x006A,0x0000); 
 //
 Write_Cmd_Data(0x0080,0x0000); 
 Write_Cmd_Data(0x0081,0x0000); 
 Write_Cmd_Data(0x0082,0x0000); 
 Write_Cmd_Data(0x0083,0x0000); 
 Write_Cmd_Data(0x0084,0x0000); 
 Write_Cmd_Data(0x0085,0x0000); 
 //
 Write_Cmd_Data(0x0090,0x0010); 
 Write_Cmd_Data(0x0092,0x0600); 
 Write_Cmd_Data(0x0093,0x0003); 
 Write_Cmd_Data(0x0095,0x0110); 
 Write_Cmd_Data(0x0097,0x0000); 
 Write_Cmd_Data(0x0098,0x0000);
 Write_Cmd_Data(0x0007,0x0133);

	
	
//	Write_Cmd_Data(0x0022);//		
}

 





/*===========================================================*/

/*************************************************************
函数名称:LCD_DefineDispWindow
功    能:定义显示窗体
参    数:x0:  窗体中X坐标中较小者
	 x1:  窗体中X坐标中较大者
	 y0:  窗体中Y坐标中较小者
	 y1:  窗体中Y坐标中较大者 
返 回 值:无
*************************************************************/
void LCD_SetPos(unsigned int x0,unsigned int x1,unsigned int y0,unsigned int y1)
{
  Write_Cmd_Data(WINDOW_XADDR_START,x0);
  Write_Cmd_Data(WINDOW_XADDR_END,x1);
  Write_Cmd_Data(WINDOW_YADDR_START,y0);
  Write_Cmd_Data(WINDOW_YADDR_END,y1);
  Write_Cmd_Data(GRAM_XADDR,x0);
  Write_Cmd_Data(GRAM_YADDR,y0);
  Write_Cmd (0x00,0x22);//LCD_WriteCMD(GRAMWR);
}
void bmp(unsigned char *buf)
{
 unsigned short i=0;
 static unsigned short x,y;
 for(i=0;i<256;i++)                    //然后写到液晶屏，可以显示256个像素，每个像素16位即2个字节
	   {   
   	   LCD_SetPos(x,x,y,y);
   	   Write_Data(buf[2*i+1],buf[2*i]);	 
	   x++;
	   if(x==240)                         //检测是否写到屏的边缘 240x320
	     {
	     y++;
	     x=0;
	     if(y==320)
	       y=0;
	     }
       }
}
void button(unsigned short X,unsigned short Y,unsigned char *s,unsigned int color)
{ unsigned short i,j;
  LCD_SetPos(X,X+239,Y,Y+31);
  for(i=0;i<32;i++)
    {for(j=0;j<240;j++) 
	 {Write_Data_U16(color);}
	 color--;
	} 
 mode=0; 
 LCD_PutString(X+10,Y+10,s,White,Red);
 mode=1;
 }