📄 2410-lcd_320x240.c
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{
if ( (x < SCR_XSIZE_TFT_320240) && (y < SCR_YSIZE_TFT_320240) )
LCD_BUFER[(y)][(x)] = c;
}
/**************************************************************
320×240 24Bpp TFT LCD全屏填充特定颜色单元或清屏
**************************************************************/
static void Lcd_ClearScr(U32 c)
{
unsigned int x,y ;
for( y = 0 ; y < SCR_YSIZE_TFT_320240 ; y++ )
{
for( x = 0 ; x < SCR_XSIZE_TFT_320240 ; x++ )
{
LCD_BUFER[y][x] = c;
}
}
}
/**************************************************************
LCD屏幕显示垂直翻转
// LCD display is flipped vertically
// But, think the algorithm by mathematics point.
// 3I2
// 4 I 1
// --+-- <-8 octants mathematical cordinate
// 5 I 8
// 6I7
**************************************************************/
static void Glib_Line(int x1,int y1,int x2,int y2,U32 color)
{
int dx,dy,e;
dx=x2 - x1;
dy=y2 - y1;
if(dx >= 0)
{
if(dy >= 0)
{
if(dx >= dy) // 1/8 octant
{
e = dy - dx / 2; //64
while(x1 <= x2)
{
PutPixel(x1,y1,color);
if(e > 0) {y1 += 1; e -= dx;}
x1 += 1;
e += dy;
}
}
else // 2/8 octant
{
e=dx-dy/2;
while(y1<=y2)
{
PutPixel(x1,y1,color);
if(e>0){x1+=1;e-=dy;}
y1+=1;
e+=dx;
}
}
}
else // dy<0
{
dy=-dy; // dy=abs(dy)
if(dx>=dy) // 8/8 octant
{
e=dy-dx/2;
while(x1<=x2)
{
PutPixel(x1,y1,color);
if(e>0){y1-=1;e-=dx;}
x1+=1;
e+=dy;
}
}
else // 7/8 octant
{
e=dx-dy/2;
while(y1>=y2)
{
PutPixel(x1,y1,color);
if(e>0){x1+=1;e-=dy;}
y1-=1;
e+=dx;
}
}
}
}
else //dx<0
{
dx=-dx; //dx=abs(dx)
if(dy >= 0) // dy>=0
{
if(dx>=dy) // 4/8 octant
{
e=dy-dx/2;
while(x1>=x2)
{
PutPixel(x1,y1,color);
if(e>0){y1+=1;e-=dx;}
x1-=1;
e+=dy;
}
}
else // 3/8 octant
{
e=dx-dy/2;
while(y1<=y2)
{
PutPixel(x1,y1,color);
if(e>0){x1-=1;e-=dy;}
y1+=1;
e+=dx;
}
}
}
else // dy<0
{
dy=-dy; // dy=abs(dy)
if(dx>=dy) // 5/8 octant
{
e=dy-dx/2;
while(x1>=x2)
{
PutPixel(x1,y1,color);
if(e>0){y1-=1;e-=dx;}
x1-=1;
e+=dy;
}
}
else // 6/8 octant
{
e=dx-dy/2;
while(y1>=y2)
{
PutPixel(x1,y1,color);
if(e>0){x1-=1;e-=dy;}
y1-=1;
e+=dx;
}
}
}
}
}
/**************************************************************
在LCD屏幕上用颜色填充一个矩形
**************************************************************/
static void Glib_FilledRectangle(int x1,int y1,int x2,int y2,U32 color)
{
int i,j;
if(x1 < x2)
{
i = x1;
x1 = x2;
x2 = i;
}
if(y1 < y2)
{
i = y1;
y1 = y2;
y2 = i;
}
for(i = y1; i <= y2; i++)
{
//Glib_Line(x1,i,x2,i,color);
for(j = x1; j <= x2; j++)
{
LCD_BUFER[i][j] = color;
}
}
}
/**************************************************************
在LCD屏幕上指定坐标点画一个指定大小的图片
**************************************************************/
static void Paint_Bmp(int x0,int y0,int l,int h,unsigned char bmp[])
{
int x,y;
U32 c;
U32 p = 0;
//本图片显示是正的显示方式
for(y = 0; y < h; y++)
{
for(x = 0; x < l; x++)
{
// B G R
//c = ((((byte_inverter(bmp[p + 2]))&0x1f) << 16) | (((byte_inverter(bmp[p + 1]))&0x1f) << 8) | ((byte_inverter(bmp[p + 0]))&0x1f));
c = (((((bmp[p + 2]))) << 16) | ((((bmp[p + 1]))) << 8) | (((bmp[p + 0]))));
if(((x0+x) < SCR_XSIZE_TFT_320240) && ((y0+y) < SCR_YSIZE_TFT_320240))
LCD_BUFER[y0+y][x0+x] = c;
p += 3;
}
}
}
void Lcd_Tft_240X320_Init( void )
{
Lcd_Port_Init();
Lcd_Init();
samsung_LTV350QV_init();
Lcd_EnvidOnOff(ENVID_on); //turn on video
Lcd_ClearScr(0x00ffffff); //fill all screen with some color
#define LCD_BLANK 16
#define C_UP ( LCD_XSIZE_TFT_320240 - LCD_BLANK*2 )
#define C_RIGHT ( LCD_XSIZE_TFT_320240 - LCD_BLANK*2 )
#define V_BLACK ( ( LCD_YSIZE_TFT_320240 - LCD_BLANK*4 ) / 6 )
Glib_FilledRectangle( LCD_BLANK, LCD_BLANK, ( LCD_XSIZE_TFT_320240 - LCD_BLANK ), ( LCD_YSIZE_TFT_320240 - LCD_BLANK ),0x00000000); //fill a Rectangle with some color
Glib_FilledRectangle( (LCD_BLANK*2), (LCD_BLANK*2 + V_BLACK*0), (C_RIGHT), (LCD_BLANK*2 + V_BLACK*1),0x0000001f); //fill a Rectangle with some color
Glib_FilledRectangle( (LCD_BLANK*2), (LCD_BLANK*2 + V_BLACK*1), (C_RIGHT), (LCD_BLANK*2 + V_BLACK*2),0x000007e0); //fill a Rectangle with some color
Glib_FilledRectangle( (LCD_BLANK*2), (LCD_BLANK*2 + V_BLACK*2), (C_RIGHT), (LCD_BLANK*2 + V_BLACK*3),0x0000f800); //fill a Rectangle with some color
Glib_FilledRectangle( (LCD_BLANK*2), (LCD_BLANK*2 + V_BLACK*3), (C_RIGHT), (LCD_BLANK*2 + V_BLACK*4),0x0000ffe0); //fill a Rectangle with some color
Glib_FilledRectangle( (LCD_BLANK*2), (LCD_BLANK*2 + V_BLACK*4), (C_RIGHT), (LCD_BLANK*2 + V_BLACK*5),0x0000f81f); //fill a Rectangle with some color
Glib_FilledRectangle( (LCD_BLANK*2), (LCD_BLANK*2 + V_BLACK*5), (C_RIGHT), (LCD_BLANK*2 + V_BLACK*6),0x000007ff); //fill a Rectangle with some color
Lcd_ClearScr(0x00); //fill all screen with some color
Paint_Bmp( 0,0,309,233, KONGLONG_309_233_24bpp ) ; //paint a bmp
}
/**************************************************************
**************************************************************/
void Test_Lcd_Tft_240X320( void )
{
#ifdef DEBUG
Uart_Printf("\nTest 240*320 TFT LCD !\n");
#endif
Lcd_Port_Init();
Lcd_Init();
samsung_LTV350QV_init();
Lcd_EnvidOnOff(ENVID_on); //turn on video
Lcd_ClearScr(0x00ffffff); //fill all screen with some color
#define C_UP ( LCD_XSIZE_TFT_320240 - LCD_BLANK*2 )
#define C_RIGHT ( LCD_XSIZE_TFT_320240 - LCD_BLANK*2 )
#define V_BLACK ( ( LCD_YSIZE_TFT_320240 - LCD_BLANK*4 ) / 6 )
Glib_FilledRectangle( LCD_BLANK, LCD_BLANK, ( LCD_XSIZE_TFT_320240 - LCD_BLANK ), ( LCD_YSIZE_TFT_320240 - LCD_BLANK ),0x00000000); //fill a Rectangle with some color
Glib_FilledRectangle( (LCD_BLANK*2), (LCD_BLANK*2 + V_BLACK*0), (C_RIGHT), (LCD_BLANK*2 + V_BLACK*1),0x0000001f); //fill a Rectangle with some color
Glib_FilledRectangle( (LCD_BLANK*2), (LCD_BLANK*2 + V_BLACK*1), (C_RIGHT), (LCD_BLANK*2 + V_BLACK*2),0x000007e0); //fill a Rectangle with some color
Glib_FilledRectangle( (LCD_BLANK*2), (LCD_BLANK*2 + V_BLACK*2), (C_RIGHT), (LCD_BLANK*2 + V_BLACK*3),0x0000f800); //fill a Rectangle with some color
Glib_FilledRectangle( (LCD_BLANK*2), (LCD_BLANK*2 + V_BLACK*3), (C_RIGHT), (LCD_BLANK*2 + V_BLACK*4),0x0000ffe0); //fill a Rectangle with some color
Glib_FilledRectangle( (LCD_BLANK*2), (LCD_BLANK*2 + V_BLACK*4), (C_RIGHT), (LCD_BLANK*2 + V_BLACK*5),0x0000f81f); //fill a Rectangle with some color
Glib_FilledRectangle( (LCD_BLANK*2), (LCD_BLANK*2 + V_BLACK*5), (C_RIGHT), (LCD_BLANK*2 + V_BLACK*6),0x000007ff); //fill a Rectangle with some color
Uart_Printf( "LCD color test, please look! press any key to continue!\n" );
Uart_Getch() ; //wait uart input
Lcd_ClearScr(0x00); //fill all screen with some color
Paint_Bmp( 0,0,309,233, KONGLONG_309_233_24bpp ) ; //paint a bmp
MoveViewPort();
Lcd_MoveViewPort(0,0);
}
//*************************************************************
unsigned char byte_inverter(unsigned char input_data)
{
unsigned char i,j = 0;
for(i = 0; i < 8; i++)
{
j = j << 1;
if(input_data & 1) j |= 1;
input_data = input_data >> 1;
}
return(j);
}⌨️ 快捷键说明
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