?? lcd_800480.c
字號(hào):
/*****************************************
NAME: lcd.c
DESC: Lcd test
WWW.YCTEK.COM
*****************************************/
/**************************************************************
The initial and control for 800×480 16Bpp TFT LCD----4.7寸屏
**************************************************************/
#include <string.h>
#include "def.h"
#include "2410addr.h"
#include "2410slib.h"
#include "2410lib.h"
#include "lcd.h"
volatile static unsigned short LCD_BUFER[LCD_YSIZE_TFT_800480][LCD_XSIZE_TFT_800480];
/**************************************************************
800×480 16Bpp TFT LCD數(shù)據(jù)和控制端口初始化
**************************************************************/
static void Lcd_Port_Init(void)
{
#ifdef LTV350QV_POE
rGPCUP=0xffffffff; // Disable Pull-up register
rGPCCON=0xaa9556a9; //Initialize VD[7:0],LCDVF[2:0],VM,VFRAME,VLINE,VCLK,LEND
//LCDVF[0],[1],[2]---output;VD[0],[1],[2]----output.
rGPDUP=0xffffffff; // Disable Pull-up register
rGPDCON=0xaaaaaaaa; //Initialize VD[15:8] VD[8]---output
CS_H; //initialize the cs,scl,sdi pin for LTV350QV_POE
SCLK_H;
SDI_H;
#else
//rGPCUP = 0xffffffff; // Disable Pull-up register
rGPCUP = 0x0; // enable Pull-up register
rGPCCON = 0xaaaa56a9; //Initialize VD[7:0],LCDVF[2:0],VM,VFRAME,VLINE,VCLK,LEND
//rGPDUP = 0xffffffff ; // Disable Pull-up register
rGPDUP = 0x0 ; // enable Pull-up register
rGPDCON=0xaaaaaaaa; //Initialize VD[15:8]
#endif
}
/**************************************************************
800×480 16Bpp TFT LCD功能模塊初始化
**************************************************************/
static void Lcd_Init(void)
{
rLCDCON1=(CLKVAL_TFT_800480<<8)|(MVAL_USED<<7)|(3<<5)|(12<<1)|0;
// TFT LCD panel,16bpp TFT,ENVID=off
rLCDCON2=(VBPD_800480<<24)|(LINEVAL_TFT_800480<<14)|(VFPD_800480<<6)|(VSPW_800480);
rLCDCON3=(HBPD_800480<<19)|(HOZVAL_TFT_800480<<8)|(HFPD_800480);
rLCDCON4=(MVAL<<8)|(HSPW_800480);
rLCDCON5=(1<<11)|(1<<10)|(1<<9)|(1<<8)|(0<<6)|(1<<3)|(BSWP<<1)|(HWSWP); //FRM5:6:5,VCLK,HSYNC and VSYNC are inverted
rLCDSADDR1=(((U32)LCD_BUFER>>22)<<21)|M5D((U32)LCD_BUFER>>1);
rLCDSADDR2=M5D( ((U32)LCD_BUFER+(LCD_XSIZE_TFT_800480*LCD_YSIZE_TFT_800480*2))>>1 );
rLCDSADDR3=(((LCD_XSIZE_TFT_800480-LCD_XSIZE_TFT_800480)/1)<<11)|(LCD_XSIZE_TFT_800480/1);
rLCDINTMSK|=(3); // MASK LCD Sub Interrupt
// rTCONSEL&=(~7); // Disable LPC3600 diff 2410
rTPAL=0; // Disable Temp Palette
}
/**************************************************************
LCD視頻和控制信號(hào)輸出或者停止，1開啟視頻輸出
**************************************************************/
static void Lcd_EnvidOnOff(int onoff)
{
if(onoff==1)
rLCDCON1|=1; // ENVID=ON
else
rLCDCON1 =rLCDCON1 & 0x3fffe; // ENVID Off
}
static void Lcd_MoveViewPort(int vx,int vy)
{
U32 addr;
SET_IF();
#if (LCD_XSIZE_TFT_800480<32)
while((rLCDCON1>>18)<=1); // if x<32
#else
while((rLCDCON1>>18)==0); // if x>32
#endif
addr=(U32)LCD_BUFER+(vx*2)+vy*(SCR_XSIZE_TFT_480272*2);
rLCDSADDR1= ( (addr>>22)<<21 ) | M5D(addr>>1 );
rLCDSADDR2= M5D(((addr+(SCR_XSIZE_TFT_800480*LCD_YSIZE_TFT_800480*2))>>1));
CLR_IF();
}
/**************************************************************
800×480 16Bpp TFT LCD移動(dòng)觀察窗口
**************************************************************/
static void MoveViewPort(void)
{
int vx=0,vy=0,vd=1;
printf("\n*Move the LCD view windos:\n");
printf(" press 8 is up\n");
printf(" press 2 is down\n");
printf(" press 4 is left\n");
printf(" press 6 is right\n");
printf(" press Enter to exit!\n");
while(1)
{
switch(getkey())
{
case '8':
if(vy>=vd)vy-=vd;
break;
case '4':
if(vx>=vd)vx-=vd;
break;
case '6':
if(vx<=(SCR_XSIZE_TFT_800480-LCD_XSIZE_TFT_800480-vd))vx+=vd;
printf("vx=%3d,vy=%3d\n",vx,vy);
break;
case '2':
if(vy<=(SCR_YSIZE_TFT_800480-LCD_YSIZE_TFT_800480-vd))vy+=vd;
printf("vx=%3d,vy=%3d\n",vx,vy);
break;
case '\r':
return;
default:
break;
}
//printf("vx=%3d,vy=%3d\n",vx,vy);
Lcd_MoveViewPort(vx,vy);
}
}
/**************************************************************
800×480 16Bpp TFT LCD單個(gè)象素的顯示數(shù)據(jù)輸出
**************************************************************/
static void PutPixel(U32 x,U32 y,U32 c)
{
if ( (x < SCR_XSIZE_TFT_800480) && (y < SCR_YSIZE_TFT_800480) )
LCD_BUFER[(y)][(x)] = c;
}
/**************************************************************
800×480 16Bpp TFT LCD全屏填充特定顏色單元或清屏
**************************************************************/
static void Lcd_ClearScr(U16 c)
{
unsigned int x,y ;
for( y = 0 ; y < SCR_YSIZE_TFT_800480 ; y++ )
{
for( x = 0 ; x < SCR_XSIZE_TFT_800480 ; x++ )
{
LCD_BUFER[y][x] = c;
}
}
}
/**************************************************************
LCD屏幕顯示垂直翻轉(zhuǎn)
// LCD display is flipped vertically
**************************************************************/
static 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;
}
}
}
}
}
static 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);
}
void Lcd_Tft_800X480_Init( void )
{
Lcd_Port_Init();
Lcd_Init();
Lcd_EnvidOnOff(1); //turn on vedio
Lcd_ClearScr(0xffff); //fill all screen with some color
#define LCD_BLANK 16
#define C_UP ( LCD_XSIZE_TFT_800480 - LCD_BLANK*2 )
#define C_RIGHT ( LCD_XSIZE_TFT_800480 - LCD_BLANK*2 )
#define V_BLACK ( ( LCD_YSIZE_TFT_800480 - LCD_BLANK*4 ) / 6 )
Glib_FilledRectangle( LCD_BLANK, LCD_BLANK, ( LCD_XSIZE_TFT_800480 - LCD_BLANK ), ( LCD_YSIZE_TFT_800480 - 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
}
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