?? lcd_tft.c
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/**************************************************************
The initial and control for 16Bpp TFT LCD
**************************************************************/
#include "def.h"
#include "option.h"
#include "2440addr.h"
#include "2440lib.h"
#include "2440slib.h"
#include "LCD_TFT.h"
#define M5D(n) ((n) & 0x1fffff) // To get lower 21bits
extern void Uart_Printf(char *f, ...) ;
volatile unsigned short LCD_BUFFER[SCR_YSIZE_TFT][SCR_XSIZE_TFT];
/**************************************************************
320×240 16Bpp TFT LCD功能模塊初始化
**************************************************************/
void Lcd_PowerEnable(int invpwren,int pwren);
void Lcd_Init(void)
{
rGPCUP = 0x00000000;
rGPCCON = 0xaaaa02a9;
rGPDUP = 0x00000000;
rGPDCON=0xaaaaaaaa; //Initialize VD[15:8]
rLCDCON1=(CLKVAL_TFT<<8)|(MVAL_USED<<7)|(3<<5)|(12<<1)|0;
// TFT LCD panel,12bpp TFT,ENVID=off
rLCDCON2=(VBPD<<24)|(LINEVAL_TFT<<14)|(VFPD<<6)|(VSPW);
rLCDCON3=(HBPD<<19)|(HOZVAL_TFT<<8)|(HFPD);
rLCDCON4=(MVAL<<8)|(HSPW);
rLCDCON5 = (1<<11) | (1<<10) | (1<<9) | (1<<8) | (0<<7) | (0<<6) | (1<<3) |(BSWP<<1) | (HWSWP);
rLCDSADDR1=(((U32)LCD_BUFFER>>22)<<21)|M5D((U32)LCD_BUFFER>>1);
rLCDSADDR2=M5D( ((U32)LCD_BUFFER+(SCR_XSIZE_TFT*LCD_YSIZE_TFT*2))>>1 );
rLCDSADDR3=(((SCR_XSIZE_TFT-LCD_XSIZE_TFT)/1)<<11)|(LCD_XSIZE_TFT/1);
rLCDINTMSK|=(3); // MASK LCD Sub Interrupt
rTCONSEL &= (~7) ; // Disable LPC3480
rTPAL=0; // Disable Temp Palette
}
/**************************************************************
LCD視頻和控制信號輸出或者停止，1開啟視頻輸出
**************************************************************/
void Lcd_EnvidOnOff(int onoff)
{
if(onoff==1)
rLCDCON1|=1; // ENVID=ON
else
rLCDCON1 =rLCDCON1 & 0x3fffe; // ENVID Off
}
/**************************************************************
320×240 8Bpp TFT LCD 電源控制引腳使能
**************************************************************/
void Lcd_PowerEnable(int invpwren,int pwren)
{
//GPG4 is setted as LCD_PWREN
rGPGUP=rGPGUP&(~(1<<4))|(1<<4); // Pull-up disable
rGPGCON=rGPGCON&(~(3<<8))|(3<<8); //GPG4=LCD_PWREN
rGPGDAT = rGPGDAT | (1<<4) ;
//invpwren=pwren;
//Enable LCD POWER ENABLE Function
rLCDCON5=rLCDCON5&(~(1<<3))|(pwren<<3); // PWREN
rLCDCON5=rLCDCON5&(~(1<<5))|(invpwren<<5); // INVPWREN
}
/**************************************************************
320×240 16Bpp TFT LCD移動觀察窗口
**************************************************************/
void Lcd_MoveViewPort(int vx,int vy)
{
U32 addr;
SET_IF();
#if (LCD_XSIZE_TFT<32)
while((rLCDCON1>>18)<=1); // if x<32
#else
while((rLCDCON1>>18)==0); // if x>32
#endif
addr=(U32)LCD_BUFFER+(vx*2)+vy*(SCR_XSIZE_TFT*2);
rLCDSADDR1= ( (addr>>22)<<21 ) | M5D(addr>>1);
rLCDSADDR2= M5D(((addr+(SCR_XSIZE_TFT*LCD_YSIZE_TFT*2))>>1));
CLR_IF();
}
/**************************************************************
320×240 16Bpp TFT LCD移動觀察窗口
**************************************************************/
void MoveViewPort(void)
{
int vx=0,vy=0,vd=1;
Uart_Printf("\n*Move the LCD view windos:\n");
Uart_Printf(" press 8 is up\n");
Uart_Printf(" press 2 is down\n");
Uart_Printf(" press 4 is left\n");
Uart_Printf(" press 6 is right\n");
Uart_Printf(" press Enter to exit!\n");
while(1)
{
switch( Uart_GetKey() )
{
case '8':
if(vy>=vd)vy-=vd;
break;
case '4':
if(vx>=vd)vx-=vd;
break;
case '6':
if(vx<=(SCR_XSIZE_TFT-LCD_XSIZE_TFT-vd))vx+=vd;
break;
case '2':
if(vy<=(SCR_YSIZE_TFT-LCD_YSIZE_TFT-vd))vy+=vd;
break;
case '\r':
return;
default:
break;
}
Uart_Printf("vx=%3d,vy=%3d\n",vx,vy);
Lcd_MoveViewPort(vx,vy);
}
}
/**************************************************************
320×240 16Bpp TFT LCD單個象素的顯示數(shù)據(jù)輸出
**************************************************************/
void PutPixel(U32 x,U32 y, U32 c )
{
if ( (x < SCR_XSIZE_TFT) && (y < SCR_YSIZE_TFT) )
LCD_BUFFER[(y)][(x)] = c;
}
/**************************************************************
320×240 16Bpp TFT LCD全屏填充特定顏色單元或清屏
**************************************************************/
void Lcd_ClearScr( U32 c)
{
unsigned int x,y ;
for( y = 0 ; y < SCR_YSIZE_TFT ; y++ )
{
for( x = 0 ; x < SCR_XSIZE_TFT ; x++ )
{
LCD_BUFFER[y][x] = c ;
}
}
}
/**************************************************************
LCD屏幕顯示垂直翻轉(zhuǎn)
// LCD display is flipped vertically
// But, think the algorithm by mathematics point.
// 3I2
// 4 I 1
// --+-- <-8 octants mathematical cordinate
// 5 I 8
// 6I7
**************************************************************/
void Glib_Line(int x1,int y1,int x2,int y2,int color)
{
int dx,dy,e;
dx=x2-x1;
dy=y2-y1;
if(dx>=0)
{
if(dy >= 0) // dy>=0
{
if(dx>=dy) // 1/8 octant
{
e=dy-dx/2;
while(x1<=x2)
{
PutPixel(x1,y1,color);
if(e>0){y1+=1;e-=dx;}
x1+=1;
e+=dy;
}
}
else // 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屏幕上畫一個矩形
**************************************************************/
void Glib_Rectangle(int x1,int y1,int x2,int y2,int color)
{
Glib_Line(x1,y1,x2,y1,color);
Glib_Line(x2,y1,x2,y2,color);
Glib_Line(x1,y2,x2,y2,color);
Glib_Line(x1,y1,x1,y2,color);
}
/**************************************************************
在LCD屏幕上用顏色填充一個矩形
**************************************************************/
void Glib_FilledRectangle(int x1,int y1,int x2,int y2,int color)
{
int i;
for(i=y1;i<=y2;i++)
Glib_Line(x1,i,x2,i,color);
}
/**************************************************************
在LCD屏幕上指定坐標(biāo)點畫一個指定大小的圖片
**************************************************************/
void Paint_Bmp(int x0,int y0,int h,int l,unsigned char bmp[])
{
int x,y;
U32 c;
int p = 0;
for( y = y0 ; y < l ; y++ )
{
for( x = x0 ; x < h ; x++ )
{
c = bmp[p+1] | (bmp[p]<<8) ;
if ( ( (x0+x) < SCR_XSIZE_TFT) && ( (y0+y) < SCR_YSIZE_TFT) )
LCD_BUFFER[y0+y][x0+x] = c ;
p = p + 2 ;
}
}
}
/**************************************************************
**************************************************************/
void Lcd_TFT_Init(void)
{
Lcd_Init();
LcdBkLtSet( 70 ) ;
Lcd_PowerEnable(0, 1);
Lcd_EnvidOnOff(1); //turn on vedio
Lcd_ClearScr( (0x00<<11) | (0x00<<5) | (0x00) );
#define LCD_BLANK 12
#define C_UP ( LCD_XSIZE_TFT - LCD_BLANK*2 )
#define C_RIGHT ( LCD_XSIZE_TFT - LCD_BLANK*2 )
#define V_BLACK ( ( LCD_YSIZE_TFT - LCD_BLANK*4 ) / 6 )
Glib_FilledRectangle( LCD_BLANK, LCD_BLANK, ( LCD_XSIZE_TFT - LCD_BLANK ), ( LCD_YSIZE_TFT - LCD_BLANK ),0x0000); //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),0x001f); //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),0x07e0); //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),0xf800); //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),0xffe0); //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),0xf81f); //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),0x07ff); //fill a Rectangle with some color
Glib_Line( LCD_BLANK,LCD_BLANK, (LCD_XSIZE_TFT-LCD_BLANK), (LCD_YSIZE_TFT-LCD_BLANK), 0x0000 ) ;
Glib_Line( LCD_BLANK,(LCD_YSIZE_TFT-LCD_BLANK), (LCD_XSIZE_TFT-LCD_BLANK), LCD_BLANK, 0x0000 ) ;
Glib_Line( (LCD_XSIZE_TFT/2),(LCD_BLANK*2 + V_BLACK*0), (LCD_XSIZE_TFT/2), (LCD_BLANK*2 + V_BLACK*6), 0x0000 ) ;
}
void Lcd_TFT_Test( void )
{
Uart_Printf("\nTest TFT LCD!\n");
Lcd_ClearScr( (0x00<<11) | (0x00<<5) | (0x00) ) ; //clear screen
Uart_Printf( "\nDisplay Black! Press any key to continue!\n" );
Uart_Getch() ; //wait uart input
Lcd_ClearScr( (0x1f<<11) | (0x3f<<5) | (0x1f) ) ; //clear screen
Uart_Printf( "Display White! Press any key to continue!\n" );
Uart_Getch() ; //wait uart input
Lcd_ClearScr( (0x00<<11) | (0x00<<5) | (0x1f) ) ; //clear screen
Uart_Printf( "Display Blue! Press any key to continue!\n" );
Uart_Getch() ; //wait uart input
Lcd_ClearScr( (0x00<<11) | (0x3f<<5) | (0x00) ) ; //clear screen
Uart_Printf( "Display Green! Press any key to continue!\n" );
Uart_Getch() ; //wait uart input
Lcd_ClearScr( (0x1f<<11) | (0x00<<5) | (0x00) ) ; //clear screen
Uart_Printf( "Display Red! Press any key to continue!\n" );
Uart_Getch() ; //wait uart input
/* Lcd_ClearScr( (0x00<<11) | (0x3f<<5) | (0x1f) ) ; //clear screen
Uart_Printf( "LCD clear screen is finished! press any key to continue!\n" );
Uart_Getch() ; //wait uart input
Lcd_ClearScr( (0x1f<<11) | (0x00<<5) | (0x1f) ) ; //clear screen
Uart_Printf( "LCD clear screen is finished! press any key to continue!\n" );
Uart_Getch() ; //wait uart input
Lcd_ClearScr( (0x1f<<11) | (0x3f<<5) | (0x00) ) ; //clear screen
Uart_Printf( "LCD clear screen is finished! press any key to continue!\n" );
Uart_Getch() ; //wait uart input
*/
Lcd_ClearScr(0xffff); //fill all screen with some color
#define LCD_BLANK 12
#define C_UP ( LCD_XSIZE_TFT - LCD_BLANK*2 )
#define C_RIGHT ( LCD_XSIZE_TFT - LCD_BLANK*2 )
#define V_BLACK ( ( LCD_YSIZE_TFT - LCD_BLANK*4 ) / 6 )
Glib_FilledRectangle( LCD_BLANK, LCD_BLANK, ( LCD_XSIZE_TFT - LCD_BLANK ), ( LCD_YSIZE_TFT - LCD_BLANK ),0x0000); //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),0x001f); //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),0x07e0); //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),0xf800); //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),0xffe0); //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),0xf81f); //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),0x07ff); //fill a Rectangle with some color
Glib_Line( LCD_BLANK,LCD_BLANK, (LCD_XSIZE_TFT-LCD_BLANK), (LCD_YSIZE_TFT-LCD_BLANK), 0x0000 ) ;
Glib_Line( LCD_BLANK,(LCD_YSIZE_TFT-LCD_BLANK), (LCD_XSIZE_TFT-LCD_BLANK), LCD_BLANK, 0x0000 ) ;
Glib_Line( (LCD_XSIZE_TFT/2),(LCD_BLANK*2 + V_BLACK*0), (LCD_XSIZE_TFT/2), (LCD_BLANK*2 + V_BLACK*6), 0x0000 ) ;
#if(LCD_Type == LCDT35)
Uart_Printf( "Press any key to continue!\n" );
Uart_Getch() ; //Any Key To Next
Paint_Bmp(0, 0, 240, 320, Bliss_240320);
#elif(LCD_Type == LCD35)
Uart_Printf( "Press any key to continue!\n" );
Uart_Getch() ; //Any Key To Next
Paint_Bmp(0, 0, 320, 240, flower1_320_240);
#endif
#if(LCD_Type == LCDT35)
Uart_Printf( "Press any key to continue!\n" );
Uart_Getch() ; //Any Key To Next
Paint_Bmp(0, 0, 240, 320, TQ_LOGO_240320);
#elif(LCD_Type == LCD35)
Uart_Printf( "Press any key to continue!\n" );
Uart_Getch() ; //Any Key To Next
Paint_Bmp(0, 0, 320, 240, TQ_LOGO_320240);
#endif
Uart_Printf("LCD Test Complete!\n");
Uart_Printf("Press any key to quit!\n");
Uart_Getch();
}
//*************************************************************
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