www.pudn.com > BIOS-S3C2410.rar > LCD_320X240.c
/*
copyright(c) 2006, ShenZhen uCdragon Technology Co., Ltd.
All rights reserved.
file: lcd_320x240.c
description: test Samsung's 3.5" Color TFT-LCD LTV350QV-F05.
The initial and control, 16Bpp mode.
platform: FS2410DEV V6.0
creat: ???
modify: zhongzm
date: 2006/5/15 - ?
version: 1.01
*/
#include
#include "2410addr.h"
#include "2410lib.h"
#include "def.h"
#include "2410slib.h"
#include "BMP_16BPP_320_240.h"
#define BSWP (0) // Byte swap control
#define HWSWP (1) // Half word swap control
#define M5D(n) ((n) & 0x1fffff) // get lower 21bits
// FCLK = 200MHz, HCLK = 100MHz
// VCLK = HCLK / [(CLKVAL+1) * 2] (CLKVAL >= 0)
#define CLKVAL_TFT_320240 (7)
// TFT 320 x 240
#define LCD_XSIZE_TFT_320240 (320)
#define LCD_YSIZE_TFT_320240 (240)
// TFT 320 x 240
#define SCR_XSIZE_TFT_320240 (320)
#define SCR_YSIZE_TFT_320240 (240)
// TFT320 x 240
#define HOZVAL_TFT_320240 (LCD_XSIZE_TFT_320240 - 1)
#define LINEVAL_TFT_320240 (LCD_YSIZE_TFT_320240 - 1)
/*
(1) Apply the following parameters to LTV350QV-F05 only!
(2) LTV350QV-F05 works at SYNC mode, it use three control lines only: VCLK,
HSYNC, VSYNC signals, the VDEN and LEND is not used.
(3) Setup timing parameter:
*/
#define VBPD_320240 (4) //垂直同步信号的后肩
#define VFPD_320240 (4) //垂直同步信号的前肩
#define VSPW_320240 (4) //垂直同步信号的脉宽
#define HBPD_320240 (13) //水平同步信号的后肩
#define HFPD_320240 (4) //水平同步信号的前肩
#define HSPW_320240 (18) //水平同步信号的脉宽
// 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)
volatile static unsigned short LCD_BUFER[SCR_YSIZE_TFT_320240][SCR_XSIZE_TFT_320240];
/*-------------------------- function declaration ---------------------------*/
static void Lcd_EnvidOnOff(int onoff);
/*-----------------------------------------------------------------------------
* LCD PWREN端口初始化, no use
*/
static void Lcd_Pwren_Init_On_Off( unsigned char m )
{
rGPGCON = rGPGCON | (3<<8) ;
rGPGUP = rGPGUP & ( ~(1<<4) ) ;
if( m == TRUE )
rGPGDAT = rGPGDAT | (1<<4) ;
else
rGPGDAT = rGPGDAT & ( ~(1<<4) );
}
/*-----------------------------------------------------------------------------
* 320 x 240 TFT LCD数据和控制端口初始化
*/
void Lcd_Port_Init( void )
{
//rGPCUP = 0xffffffff; // Disable Pull-up register
rGPCUP = 0x00000000;
//rGPCCON = 0xaaaa56a9; //Initialize VD[7:0],LCDVF[2:0],VM,VFRAME,VLINE,VCLK,LEND
rGPCCON = 0xaaaa02a9; //qjy: for avr config lcd!!!
//rGPDUP = 0xffffffff; // Disable Pull-up register
rGPDUP = 0x00000000;
rGPDCON = 0xaaaaaaaa; //Initialize VD[15:8]
Lcd_Pwren_Init_On_Off( TRUE ) ;
}
/*-----------------------------------------------------------------------------
* 320 x 240 TFT LCD功能模块初始化
*/
void Lcd_Init(void)
{
// TFT LCD panel, 16bpp TFT, ENVID=off
rLCDCON1 = (CLKVAL_TFT_320240<<8) | (0<<7) | (3<<5) | (12<<1) | 0;
rLCDCON2 = (VBPD_320240<<24) | (LINEVAL_TFT_320240<<14) | (VFPD_320240<<6)
| (VSPW_320240);
rLCDCON3 = (HBPD_320240<<19) | (HOZVAL_TFT_320240<<8) | (HFPD_320240);
rLCDCON4 = (13<<8) | (HSPW_320240);
rLCDCON5 = (1<<11) | (1<<10) | (1<<9) | (1<<8) | (0<<7) | (0<<6)
| (1<<3) |(BSWP<<1) | (HWSWP);
rLCDSADDR1 = (((U32)LCD_BUFER>>22)<<21) | M5D((U32)LCD_BUFER>>1);
rLCDSADDR2 = M5D( ((U32)LCD_BUFER
+(SCR_XSIZE_TFT_320240*LCD_YSIZE_TFT_320240*2))>>1 );
rLCDSADDR3 = (((SCR_XSIZE_TFT_320240-LCD_XSIZE_TFT_320240)/1)<<11)
|(LCD_XSIZE_TFT_320240/1);
rLCDINTMSK |= (3); // MASK LCD Sub Interrupt
rLPCSEL &= (~7) ; // Disable LPC3480
rTPAL = 0 ; // Disable Temp Palette
}
/*-----------------------------------------------------------------------------
* LCD视频和控制信号输出或者停止，1开启视频输出
*/
void Lcd_EnvidOnOff(int onoff)
{
if(onoff == 1)
rLCDCON1 |= 1; // ENVID=ON
else
rLCDCON1 &= 0x3fffe; // ENVID Off
}
/*-----------------------------------------------------------------------------
* LPC3600 is a timing control logic unit for LTS350Q1-PD1 or LTS350Q1-PD2
* no use
*/
static void Lcd_Lpc3600Enable(void)
{
rLPCSEL &= ~(7);
rLPCSEL |= (7); // 320240, Enable LPC3480
}
/*-----------------------------------------------------------------------------
* 320 x 240 16Bpp TFT LCD 背光控制使能
*/
static void Lcd_Black_Light_On_Off( unsigned char m )
{
rGPBCON = rGPBCON & (~(3<<10)) | (1<<10) ; //GPB5 is output
rGPBUP = rGPBUP & (~(1<<5)) ; //GPB5 pull-up is enable
if ( m > 0 ) rGPBDAT |= (1<<5) ; //GPB5 output HIGH
else rGPBDAT &= (~(1<<5)); //GPB5 output LOW
}
/*-----------------------------------------------------------------------------
* 320 x 240 16Bpp TFT LCD 电源控制引脚使能, no use
*/
static void Lcd_PowerEnable(int invpwren, int pwren)
{
//GPG4 is setted as LCD_PWREN
rGPGUP = rGPGUP | (1<<4); // Pull-up disable
rGPGCON = rGPGCON | (3<<8); //GPG4=LCD_PWREN
//Enable LCD POWER ENABLE Function
rLCDCON5 = rLCDCON5 & (~(1<<3)) | (pwren<<3); // PWREN
rLCDCON5 = rLCDCON5 & (~(1<<5)) | (invpwren<<5); // INVPWREN
}
/*-----------------------------------------------------------------------------
* 320 x 240 TFT LCD移动观察窗口
*/
static void Lcd_MoveViewPort(int vx, int vy)
{
U32 addr;
SET_IF();
#if (LCD_XSIZE_TFT_320240<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_320240*2);
rLCDSADDR1= ( (addr>>22)<<21 ) | M5D(addr>>1);
rLCDSADDR2= M5D(((addr+(SCR_XSIZE_TFT_320240*LCD_YSIZE_TFT_320240*2))>>1));
CLR_IF();
}
/*-----------------------------------------------------------------------------
* 320 x 240 TFT LCD移动观察窗口
*/
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_Getch()) {
case '8':
if(vy >= vd) vy -= vd;
break;
case '4':
if(vx>=vd)vx-=vd;
break;
case '6':
if(vx<=(SCR_XSIZE_TFT_320240-LCD_XSIZE_TFT_320240-vd)) vx += vd;
break;
case '2':
if(vy<=(SCR_YSIZE_TFT_320240-LCD_YSIZE_TFT_320240-vd)) vy += vd;
break;
case '\r':
return;
default:
break;
}
//Uart_Printf("vx = %3d, vy = %3d\n", vx, vy);
Lcd_MoveViewPort(vx, vy);
}
}
/*-----------------------------------------------------------------------------
* 320 x 240 TFT LCD单个象素的显示数据输出
*/
static void PutPixel(U32 x,U32 y,U16 c)
{
if(x= 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屏幕上画一个矩形
*/
static void Glib_Rectangle(int x1, int y1, int x2, int y2, U16 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屏幕上用颜色填充一个矩形
*/
static void Glib_FilledRectangle(int x1, int y1, int x2, int y2, U16 color)
{
int i;
for(i = y1; i <= y2; i++) { // 用n条直线填满区域!
Glib_Line(x1, i, x2, i, 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 h, int l, unsigned char bmp[])
{
int x, y;
U32 c;
int p = 0;
for( y = 0 ; y < l ; y++ )
{
for( x = 0 ; x < h ; x++ )
{
c = bmp[p+1] | (bmp[p]<<8) ;
if ( ( (x0+x) < SCR_XSIZE_TFT_320240) && ( (y0+y) < SCR_YSIZE_TFT_320240) )
LCD_BUFER[y0+y][x0+x] = c ;
p = p + 2 ;
}
}
}
/*-----------------------------------------------------------------------------
* test LTV350QV-F05
*/
void Test_Lcd_LTV350QVF05(void)
{
int i;
Lcd_Port_Init();
Lcd_Init();
Lcd_EnvidOnOff(1);
Lcd_ClearScr( (0x00<<11) | (0x00<<5) | (0x00) ); //clear screen
// Lcd_ClearScr(0xffff); //fill all screen with some color
// Glib_FilledRectangle( 50, 50, 270, 190, 0x0000); //fill a Rectangle with some color
// Glib_FilledRectangle( 100, 100, 220, 140, 0xf800); //fill a Rectangle with some color
#ifdef DEBUG
Uart_Printf( "\nrGPBCON=0x%x\n", rGPBCON );
Uart_Printf( "\trGPBUP=0x%x\n", rGPBUP );
Uart_Printf( "rGPCCON=0x%x\n", rGPCCON );
Uart_Printf( "\trGPCUP=0x%x\n", rGPCUP );
Uart_Printf( "rGPDCON=0x%x\n", rGPDCON );
Uart_Printf( "\trGPDUP=0x%x\n", rGPDUP );
Uart_Printf( "rGPGCON=0x%x\n", rGPGCON );
Uart_Printf( "\trGPGUP=0x%x\n\n", rGPGUP );
Uart_Printf( "rLCDCON1=0x%x\n", rLCDCON1 );
Uart_Printf( "rLCDCON2=0x%x\n", rLCDCON2 );
Uart_Printf( "rLCDCON3=0x%x\n", rLCDCON3 );
Uart_Printf( "rLCDCON4=0x%x\n", rLCDCON4 );
Uart_Printf( "rLCDCON5=0x%x\n\n", rLCDCON5 );
Uart_Printf( "rLCDSADDR1=0x%x\n", rLCDSADDR1 );
Uart_Printf( "rLCDSADDR2=0x%x\n", rLCDSADDR2 );
Uart_Printf( "rLCDSADDR3=0x%x\n\n", rLCDSADDR3 );
Uart_Printf( "rLCDINTMSK=0x%x\n", rLCDINTMSK );
Uart_Printf( "rLPCSEL=0x%x\n", rLPCSEL );
Uart_Printf( "rTPAL=0x%x\n\n", rTPAL );
#endif
//LOGO
Glib_FilledRectangle(0, 0, 320, 35, 0x0);
Delay(50);
Glib_FilledRectangle( 5, 35, 315, 40, 0xf800); //Red,top
Glib_FilledRectangle(10, 40, 310, 45, 0x07e0); //Green,top
Glib_FilledRectangle(15, 45, 305, 50, 0x001f); //Blue,top
Delay(50);
Glib_FilledRectangle( 5, 37, 9, 200, 0xf800); //Red,left
Glib_FilledRectangle(10, 45, 15, 195, 0x07e0); //Green,left
Glib_FilledRectangle(16, 50, 20, 190, 0x001f); //Blue,left
Delay(50);
Glib_FilledRectangle(311, 40, 315, 200, 0xf800); //Red,right
Glib_FilledRectangle(305, 45, 310, 195, 0x07e0); //Green,right
Glib_FilledRectangle(300, 50, 304, 190, 0x001f); //Blue,right
Delay(50);
Paint_Bmp(20, 50, 280, 190, uCdragon_logo); //picture
Delay(50);
Glib_FilledRectangle( 5, 200, 315, 206, 0xf800); //Red,button
Glib_FilledRectangle( 10,195, 310, 200, 0x07e0); //Green,button
Glib_FilledRectangle( 16,190, 304, 195, 0x001f); //Blue,button
Glib_FilledRectangle(0, 206, 320, 240, 0x0);
}
/* the lcd_240x320.c end */