?? lcd.c
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/**************************************************************
The initial and control for 320×240 16Bpp TFT LCD----LCD_LTV350QV-F04
**************************************************************/
#include <stdarg.h>
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <ctype.h>
#include "option.h"
#include "2440addr.h"
#include "2440lib.h"
#include "2440slib.h"
#include "lcd.h"
#define MVAL (13)
#define MVAL_USED (0) //0=each frame 1=rate by MVAL
#define INVVDEN (1) //0=normal 1=inverted
#define BSWP (0) //Byte swap control
#define HWSWP (1) //Half word swap control
#define M5D(n) ((n) & 0x1fffff) // To get lower 21bits
//TFT 240320
#define LCD_XSIZE_TFT_240320 (240)
#define LCD_YSIZE_TFT_240320 (320)
#define SCR_XSIZE_TFT_240320 (240)
#define SCR_YSIZE_TFT_240320 (320)
//TFT240320
#define HOZVAL_TFT_240320 (LCD_XSIZE_TFT_240320-1)
#define LINEVAL_TFT_240320 (LCD_YSIZE_TFT_240320-1)
//Timing parameter for LCD LQ035Q7DB02
#define VBPD_240320 (1) //垂直同步信號的后肩
#define VFPD_240320 (5) //垂直同步信號的前肩
#define VSPW_240320 (1) //垂直同步信號的脈寬
#define HBPD_240320 (35) //水平同步信號的后肩
#define HFPD_240320 (19) //水平同步信號的前肩
#define HSPW_240320 (5) //水平同步信號的脈寬
#define CLKVAL_TFT_240320 (4)
//FCLK=180MHz,HCLK=90MHz,VCLK=6.5MHz
// GPB1/TOUT1 for Backlight control(PWM)
#define GPB1_TO_OUT() (rGPBUP &= 0xfffd, rGPBCON &= 0xfffffff3, rGPBCON |= 0x00000004)
#define GPB1_TO_1() (rGPBDAT |= 0x0002)
#define GPB1_TO_0() (rGPBDAT &= 0xfffd)
//extern void Uart_Printf(char *f, ...) ;
extern unsigned char xyx_240_320[]; //寬240，高320
extern unsigned char __CHS[];
extern unsigned char __VGA[];
//volatile static
unsigned short LCD_BUFFER[SCR_YSIZE_TFT_240320][SCR_XSIZE_TFT_240320];//240*320
/**************************************************************
320×240 16Bpp TFT LCD功能模塊初始化
**************************************************************/
static void Lcd_PowerEnable(int invpwren,int pwren);
static void Lcd_Init(void)
{
rGPCUP = 0x00000000;
rGPCCON = 0xaaaa02a9;
// rGPDUP=0xffffffff; // Disable Pull-up register
rGPDUP = 0x00000000;
rGPDCON=0xaaaaaaaa; //Initialize VD[15:8]
rLCDCON1=(CLKVAL_TFT_240320<<8)|(MVAL_USED<<7)|(3<<5)|(12<<1)|0;
// TFT LCD panel,16bpp TFT,ENVID=off
rLCDCON2=(VBPD_240320<<24)|(LINEVAL_TFT_240320<<14)|(VFPD_240320<<6)|(VSPW_240320);
rLCDCON3=(HBPD_240320<<19)|(HOZVAL_TFT_240320<<8)|(HFPD_240320);
rLCDCON4=(MVAL<<8)|(HSPW_240320);
rLCDCON5 = (1<<11) | (1<<10) | (1<<9) | (1<<8) | (0<<7) | (0<<6)
| (1<<3) |(BSWP<<1) | (HWSWP);
//5:6:5 VCLK posedge BSWP=0,HWSWP=1;
rLCDSADDR1=(((U32)LCD_BUFFER>>22)<<21)|M5D((U32)LCD_BUFFER>>1);
rLCDSADDR2=M5D( ((U32)LCD_BUFFER+(SCR_XSIZE_TFT_240320*LCD_YSIZE_TFT_240320*2))>>1 );
rLCDSADDR3=(((SCR_XSIZE_TFT_240320-LCD_XSIZE_TFT_240320)/1)<<11)|(LCD_XSIZE_TFT_240320/1);
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
**************************************************************/
static void Lcd_EnvidOnOff(int onoff)
{
if(onoff==1)
rLCDCON1|=1; // ENVID=ON
else
rLCDCON1 =rLCDCON1 & 0x3fffe; // ENVID Off
}
/**************************************************************
320×240 16Bpp TFT LCD 電源控制引腳使能
**************************************************************/
static 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
**************************************************************/
static void Lcd_MoveViewPort(int vx,int vy)
{
U32 addr;
SET_IF();
#if (LCD_XSIZE_TFT_240320<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_240320*2);
rLCDSADDR1= ( (addr>>22)<<21 ) | M5D(addr>>1);
rLCDSADDR2= M5D(((addr+(SCR_XSIZE_TFT_240320*LCD_YSIZE_TFT_240320*2))>>1));
CLR_IF();
}
/**************************************************************
320×240 16Bpp TFT LCD移動觀察窗口
**************************************************************/
static 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;
Uart_Printf("vx=%3d,vy=%3d\n",vx,vy);
Lcd_MoveViewPort(vx,vy);
break;
case '4':
if(vx>=vd)vx-=vd;
Uart_Printf("vx=%3d,vy=%3d\n",vx,vy);
Lcd_MoveViewPort(vx,vy);
break;
case '6':
if(vx<=(SCR_XSIZE_TFT_240320-LCD_XSIZE_TFT_240320-vd))vx+=vd;
Uart_Printf("vx=%3d,vy=%3d\n",vx,vy);
Lcd_MoveViewPort(vx,vy);
break;
case '2':
if(vy<=(SCR_YSIZE_TFT_240320-LCD_YSIZE_TFT_240320-vd))vy+=vd;
Uart_Printf("vx=%3d,vy=%3d\n",vx,vy);
Lcd_MoveViewPort(vx,vy);
break;
case '\r':
return;
default:
break;
}
//Uart_Printf("vx=%3d,vy=%3d\n",vx,vy);
//Lcd_MoveViewPort(vx,vy);
}
}
/**************************************************************
320×240 16Bpp TFT LCD單個象素的顯示數據輸出
**************************************************************/
void PutPixel(U32 x,U32 y, U16 c )
{
if ( (x < SCR_XSIZE_TFT_240320) && (y < SCR_YSIZE_TFT_240320) )
LCD_BUFFER[(y)][(x)] = c;
}
void GUI_Point(U32 x,U32 y, U16 c )
{
if ( (x < SCR_XSIZE_TFT_240320) && (y < SCR_YSIZE_TFT_240320) )
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( U16 c)
{
unsigned int x,y ;
for( y = 0 ; y < SCR_YSIZE_TFT_240320 ; y++ )
{
for( x = 0 ; x < SCR_XSIZE_TFT_240320 ; x++ )
{
LCD_BUFFER[y][x] = c ;
}
}
}
/**************************************************************
LCD屏幕顯示垂直翻轉
// 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_240320) && ( (y0+y) < SCR_YSIZE_TFT_240320) )
LCD_BUFFER[y0+y][x0+x] = c ;
p = p + 2 ;
}
}
}
#if 1
/**************************************************************
在LCD屏幕上指定坐標點寫ASCII碼
**************************************************************/
void Lcd_PutASCII(unsigned int x,unsigned int y,unsigned char ch,unsigned int c,unsigned int bk_c,unsigned int st)
{
unsigned short int i,j;
unsigned char *pZK,mask,buf;
pZK = &__VGA[ch*16];
for( i = 0 ; i < 16 ; i++ )
{
mask = 0x80;
buf = pZK[i];
for( j = 0 ; j < 8 ; j++ )
{
if( buf & mask )
{
PutPixel(x+j,y+i,c);
}else
{
if( !st )
{
PutPixel(x+j,y+i,bk_c);
}
}
mask = mask >> 1;
}
}
}
/**************************************************************
在LCD屏幕上指定坐標點寫漢字
**************************************************************/
void Lcd_PutHZ(unsigned int x,unsigned int y,unsigned short int QW,unsigned int c,unsigned int bk_c,unsigned int st)
{
unsigned short int i,j;
unsigned char *pZK,mask,buf;
pZK = &__CHS[ ( ( (QW >> 8) - 1 )*94 + (QW & 0x00FF)- 1 )*32 ];
for( i = 0 ; i < 16 ; i++ )
{
//左
mask = 0x80;
buf = pZK[i*2];
for( j = 0 ; j < 8 ; j++ )
{
if( buf & mask )
{
PutPixel(x+j,y+i,c);
}else
{
if( !st )
{
PutPixel(x+j,y+i,bk_c);
}
}
mask = mask >> 1;
}
//右
mask = 0x80;
buf = pZK[i*2 + 1];
for( j = 0 ; j < 8 ; j++ )
{
if( buf & mask )
{
PutPixel(x+j + 8,y+i,c);
}else
{
if( !st )
{
PutPixel(x+j + 8,y+i,bk_c);
}
}
mask = mask >> 1;
}
}
}
//----------------------
void Lcd_printf(unsigned int x,unsigned int y,unsigned int c,unsigned int bk_c,unsigned int st,char *fmt,...)
{
char __LCD_Printf_Buf[256];
va_list ap;
unsigned char *pStr = (unsigned char *)__LCD_Printf_Buf;
unsigned int i = 0;
va_start(ap,fmt);
vsprintf(__LCD_Printf_Buf,fmt,ap);
va_end(ap);
while(*pStr != 0 )
{
switch(*pStr)
{
case '\n' :
{
break;
}
default:
{
if( *pStr > 0xA0 & *(pStr+1) > 0xA0 ) //中文輸出
{
Lcd_PutHZ( x , y , (*pStr - 0xA0)*0x0100 + *(pStr+1) - 0xA0 , c , bk_c , st);
pStr++;
i++;
x += 16;
}else //英文輸出
{
Lcd_PutASCII( x , y , *pStr , c , bk_c , st );
x += 8;
}
break;
}
}
pStr++;
i++;
if( i > 256 ) break;
}
}
#endif
void Lcd_N35_Init(void)
{
Lcd_Init();
//mini2440所使用的LCD驅動板上沒有背光調節硬件電路支持
//LcdBkLtSet( 70 ) ;
Lcd_PowerEnable(0, 1);
Lcd_EnvidOnOff(1); //turn on vedio
Lcd_ClearScr( (0x00<<11) | (0x00<<5) | (0x00) );
Paint_Bmp(0, 0, 240, 320, iphone_pic);
}
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