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📄 tft.h

📁 51单片机SD卡TFT彩屏显示图片
💻 H
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{0x00,0x00,0x00,0x7E,0x21,0x20,0x10,0x10,0x08,0x04,0x04,0x42,0x42,0x3F,0x00,0x00},/*"Z",58*/
{0x00,0x78,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x78,0x00},/*"[",59*/
{0x00,0x00,0x02,0x02,0x04,0x04,0x08,0x08,0x08,0x10,0x10,0x20,0x20,0x20,0x40,0x40},/*"\",60*/
{0x00,0x1E,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x1E,0x00},/*"]",61*/
{0x00,0x38,0x44,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*"^",62*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF},/*"_",63*/
{0x00,0x06,0x08,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*"`",64*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x3C,0x42,0x78,0x44,0x42,0x42,0xFC,0x00,0x00},/*"a",65*/
{0x00,0x00,0x00,0x03,0x02,0x02,0x02,0x1A,0x26,0x42,0x42,0x42,0x26,0x1A,0x00,0x00},/*"b",66*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x38,0x44,0x02,0x02,0x02,0x44,0x38,0x00,0x00},/*"c",67*/
{0x00,0x00,0x00,0x60,0x40,0x40,0x40,0x78,0x44,0x42,0x42,0x42,0x64,0xD8,0x00,0x00},/*"d",68*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x3C,0x42,0x7E,0x02,0x02,0x42,0x3C,0x00,0x00},/*"e",69*/
{0x00,0x00,0x00,0xF0,0x88,0x08,0x08,0x7E,0x08,0x08,0x08,0x08,0x08,0x3E,0x00,0x00},/*"f",70*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x7C,0x22,0x22,0x1C,0x02,0x3C,0x42,0x42,0x3C},/*"g",71*/
{0x00,0x00,0x00,0x03,0x02,0x02,0x02,0x3A,0x46,0x42,0x42,0x42,0x42,0xE7,0x00,0x00},/*"h",72*/
{0x00,0x00,0x00,0x0C,0x0C,0x00,0x00,0x0E,0x08,0x08,0x08,0x08,0x08,0x3E,0x00,0x00},/*"i",73*/
{0x00,0x00,0x00,0x30,0x30,0x00,0x00,0x38,0x20,0x20,0x20,0x20,0x20,0x20,0x22,0x1E},/*"j",74*/
{0x00,0x00,0x00,0x03,0x02,0x02,0x02,0x72,0x12,0x0A,0x16,0x12,0x22,0x77,0x00,0x00},/*"k",75*/
{0x00,0x00,0x00,0x0E,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x3E,0x00,0x00},/*"l",76*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x7F,0x92,0x92,0x92,0x92,0x92,0xB7,0x00,0x00},/*"m",77*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x3B,0x46,0x42,0x42,0x42,0x42,0xE7,0x00,0x00},/*"n",78*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x3C,0x42,0x42,0x42,0x42,0x42,0x3C,0x00,0x00},/*"o",79*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x1B,0x26,0x42,0x42,0x42,0x22,0x1E,0x02,0x07},/*"p",80*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x78,0x44,0x42,0x42,0x42,0x44,0x78,0x40,0xE0},/*"q",81*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x77,0x4C,0x04,0x04,0x04,0x04,0x1F,0x00,0x00},/*"r",82*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x7C,0x42,0x02,0x3C,0x40,0x42,0x3E,0x00,0x00},/*"s",83*/
{0x00,0x00,0x00,0x00,0x00,0x08,0x08,0x3E,0x08,0x08,0x08,0x08,0x08,0x30,0x00,0x00},/*"t",84*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x63,0x42,0x42,0x42,0x42,0x62,0xDC,0x00,0x00},/*"u",85*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xE7,0x42,0x24,0x24,0x14,0x08,0x08,0x00,0x00},/*"v",86*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xEB,0x49,0x49,0x55,0x55,0x22,0x22,0x00,0x00},/*"w",87*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x76,0x24,0x18,0x18,0x18,0x24,0x6E,0x00,0x00},/*"x",88*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xE7,0x42,0x24,0x24,0x14,0x18,0x08,0x08,0x07},/*"y",89*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x7E,0x22,0x10,0x08,0x08,0x44,0x7E,0x00,0x00},/*"z",90*/
{0x00,0xC0,0x20,0x20,0x20,0x20,0x20,0x10,0x20,0x20,0x20,0x20,0x20,0x20,0xC0,0x00},/*"{",91*/
{0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10},/*"|",92*/
{0x00,0x06,0x08,0x08,0x08,0x08,0x08,0x10,0x08,0x08,0x08,0x08,0x08,0x08,0x06,0x00},/*"}",93*/
{0x0C,0x32,0xC2,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*"~",94*/
};      

//画笔颜色,背景颜色
u16 DeviceCode;	 

#define LCD_RAM   *(vu16*)((u32)0x60020000)    //disp Data ADDR
#define LCD_REG   *(vu16*)((u32)0x60000000)	 //disp Reg ADDR
//写寄存器
void LCD_WriteReg(u8 LCD_Reg, u16 LCD_RegValue)
{	
  	LCD_REG = LCD_Reg;
  	LCD_RAM = LCD_RegValue;	    		 
}	   
//读寄存器
u16 LCD_ReadReg(u8 LCD_Reg)
{										   
  	LCD_REG = LCD_Reg;
  	return (LCD_RAM);
}   
//开始写GRAM
void LCD_WriteRAM_Prepare(void)
{
  	LCD_REG = R34;
}	 
//LCD写GRAM
void LCD_WriteRAM(u16 RGB_Code)
{							    
	LCD_RAM = RGB_Code;//写十六位GRAM
}
//LCD读GRAM
u16 LCD_ReadRAM(void)
{
  LCD_REG = R34; //选择GRAM寄存器
  return LCD_RAM;
}
//设置光标位置
//Xpos:横坐标
//Ypos:纵坐标
__inline void LCD_SetCursor(u8 Xpos, u16 Ypos)
{
	LCD_WriteReg(R32, Xpos);
	LCD_WriteReg(R33, Ypos);
}
//从ILI93xx读出的数据为GBR格式，而我们写入的时候为RGB格式。
//通过该函数转换
//c:GBR格式的颜色值
//返回值：RGB格式的颜色值
u16 LCD_BGR2RGB(u16 c)
{
  u16  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);
}		 
//读取个某点的颜色值	 
//x:0~239
//y:0~319
//返回值:此点的颜色
u16 LCD_ReadPoint(u16 x,u16 y)
{
  	LCD_SetCursor(x,y);
  	if(DeviceCode==0x7783||DeviceCode==0x4531)
  	return (LCD_ReadRAM());
  	else
  	return (LCD_BGR2RGB(LCD_ReadRAM()));
}
//LCD开启显示
void LCD_DisplayOn(void)
{					   
	LCD_WriteReg(R7, 0x0173); //26万色显示开启
}	 
//LCD关闭显示
void LCD_DisplayOff(void)
{	   
	LCD_WriteReg(R7, 0x0);//关闭显示 
}    
//LCD延时函数 10MS
void Delay (u32 nCount)
{
	volatile int i;	 	
	for (i=0;i<nCount*100;i++);
}
 
//画点
//x:0~239
//y:0~319
//POINT_COLOR:此点的颜色
void LCD_DrawPoint(u16 x,u16 y)
{
  	LCD_SetCursor(x,y);//设置光标位置
	LCD_REG=R34;//开始写入GRAM
  	LCD_RAM=POINT_COLOR; 
} 	 	  
  
//清屏函数
//Color:要清屏的填充色
void LCD_Clear(u16 Color)
{
	u32 index=0;      
	LCD_SetCursor(0x00,0x0000);//设置光标位置 
	LCD_WriteRAM_Prepare();     //开始写入GRAM	 	  
	for(index=0;index<76800;index++)
	{
		LCD_RAM = Color;    
	}
}  
//在指定区域内填充指定颜色
//区域大小:
//  (xend-xsta)*(yend-ysta)
void LCD_Fill(u8 xsta,u16 ysta,u8 xend,u16 yend,u16 color)
{                    
    u32 n;
	//设置窗口										
	LCD_WriteReg(R80, xsta); //水平方向GRAM起始地址
	LCD_WriteReg(R81, xend); //水平方向GRAM结束地址
	LCD_WriteReg(R82, ysta); //垂直方向GRAM起始地址
	LCD_WriteReg(R83, yend); //垂直方向GRAM结束地址	
	LCD_SetCursor(xsta,ysta);//设置光标位置  
	LCD_WriteRAM_Prepare();  //开始写入GRAM	 	   	   
	n=(u32)(yend-ysta+1)*(xend-xsta+1);    
	while(n--){LCD_RAM = color;}//显示所填充的颜色. 
	//恢复设置
	LCD_WriteReg(R80, 0x0000); //水平方向GRAM起始地址
	LCD_WriteReg(R81, 0x00EF); //水平方向GRAM结束地址
	LCD_WriteReg(R82, 0x0000); //垂直方向GRAM起始地址
	LCD_WriteReg(R83, 0x013F); //垂直方向GRAM结束地址	    
}  
//画线
//x1,y1:起点坐标
//x2,y2:终点坐标  
void LCD_DrawLine(u16 x1, u16 y1, u16 x2, u16 y2)
{
	u16 t; 
	int xerr=0,yerr=0,delta_x,delta_y,distance; 
	int incx,incy,uRow,uCol; 

	delta_x=x2-x1; //计算坐标增量 
	delta_y=y2-y1; 
	uRow=x1; 
	uCol=y1; 
	if(delta_x>0)incx=1; //设置单步方向 
	else if(delta_x==0)incx=0;//垂直线 
	else {incx=-1;delta_x=-delta_x;} 
	if(delta_y>0)incy=1; 
	else if(delta_y==0)incy=0;//水平线 
	else{incy=-1;delta_y=-delta_y;} 
	if( delta_x>delta_y)distance=delta_x; //选取基本增量坐标轴 
	else distance=delta_y; 
	for(t=0;t<=distance+1;t++ )//画线输出 
	{  
		LCD_DrawPoint(uRow,uCol);//画点 
		xerr+=delta_x ; 
		yerr+=delta_y ; 
		if(xerr>distance) 
		{ 
			xerr-=distance; 
			uRow+=incx; 
		} 
		if(yerr>distance) 
		{ 
			yerr-=distance; 
			uCol+=incy; 
		} 
	}  
}    
//画矩形
void LCD_DrawRectangle(u8 x1, u16 y1, u8 x2, u16 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);
}
//在指定位置画一个指定大小的圆
//(x,y):中心点
//r    :半径
void Draw_Circle(u8 x0,u16 y0,u8 r)
{
	int a,b;
	int di;
	a=0;b=r;	  
	di=3-(r<<1);             //判断下个点位置的标志
	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++;
		//使用Bresenham算法画圆     
		if(di<0)di +=4*a+6;	  
		else
		{
			di+=10+4*(a-b);   
			b--;
		} 
		LCD_DrawPoint(x0+a,y0+b);
	}
} 
//在指定位置显示一个字符
//x:0~234
//y:0~308
//num:要显示的字符:" "--->"~"
//size:字体大小 12/16
//mode:叠加方式(1)还是非叠加方式(0)
void LCD_ShowChar(u8 x,u16 y,u8 num,u8 size,u8 mode)
{       
#define MAX_CHAR_POSX 232
#define MAX_CHAR_POSY 304 
    u8 temp;
    u8 pos,t;      
    if(x>MAX_CHAR_POSX||y>MAX_CHAR_POSY)return;	    
	//设置窗口										
	LCD_WriteReg(R80,x);           //水平方向GRAM起始地址
	LCD_WriteReg(R81,x+(size/2-1));//水平方向GRAM结束地址
	LCD_WriteReg(R82,y);           //垂直方向GRAM起始地址
	LCD_WriteReg(R83,y+size-1);    //垂直方向GRAM结束地址	
	LCD_SetCursor(x,y);            //设置光标位置  
	LCD_WriteRAM_Prepare();        //开始写入GRAM	   
	num=num-' ';//得到偏移后的值
	if(!mode) //非叠加方式
	{
		for(pos=0;pos<size;pos++)
		{
			if(size==12)temp=asc2_1206[num][pos];//调用1206字体
			else temp=asc2_1608[num][pos];		 //调用1608字体
			for(t=0;t<size/2;t++)
		    {                 
		        if(temp&0x01)
				{
					LCD_RAM=POINT_COLOR;
				}else LCD_RAM=BACK_COLOR;	        
		        temp>>=1; 
		    }
		}	
	}else//叠加方式
	{
		for(pos=0;pos<size;pos++)
		{
			if(size==12)temp=asc2_1206[num][pos];//调用1206字体
			else temp=asc2_1608[num][pos];		 //调用1608字体
			for(t=0;t<size/2;t++)
		    {                 
		        if(temp&0x01)LCD_DrawPoint(x+t,y+pos);//画一个点     
		        temp>>=1; 
		    }
		}
	}	    
	//恢复窗体大小	 
	LCD_WriteReg(R80, 0x0000); //水平方向GRAM起始地址
	LCD_WriteReg(R81, 0x00EF); //水平方向GRAM结束地址
	LCD_WriteReg(R82, 0x0000); //垂直方向GRAM起始地址
	LCD_WriteReg(R83, 0x013F); //垂直方向GRAM结束地址
}  
//m^n函数
u32 mypow(u8 m,u8 n)
{
123

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