www.pudn.com > BIOS-S3C2410.rar > LCD.c
/************************************************************** The initial and control for 320×240 16Bpp TFT LCD--LTV350QV-F05 **************************************************************/ #include#include "2410addr.h" #include "2410lib.h" #include "def.h" #include "2410slib.h" #include "LCD.h" //extern unsigned char xyx_240_320[]; //宽320，高240 volatile unsigned short LCD_BUFER[SCR_XSIZE_TFT_320240][SCR_YSIZE_TFT_320240]; /************************************************************** 320×240 16Bpp TFT LCD数据和控制端口初始化 **************************************************************/ void Lcd_Port_Init(void) { rGPCUP=0xffffffff; // Disable Pull-up register rGPCCON=0xaaaa56a9; //Initialize VD[7:0],LCDVF[2:0],VM,VFRAME,VLINE,VCLK,LEND rGPDUP=0xffffffff; // Disable Pull-up register rGPDCON=0xaaaaaaaa; //Initialize VD[15:8] } /************************************************************** 320×240 16Bpp TFT LCD功能模块初始化 **************************************************************/ void Lcd_Init(void) { rLCDCON1=(CLKVAL_TFT_320240<<8)|(MVAL_USED<<7)|(3<<5)|(12<<1)|0; // TFT LCD panel,12bpp TFT,ENVID=off 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 LPC3600 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 =rLCDCON1 & 0x3fffe; // ENVID Off } /************************************************************** LPC3600 is a timing control logic unit for LTS350Q1-PD1 or LTS350Q1-PD2 **************************************************************/ void Lcd_Lpc3600Enable(void) { rLPCSEL&=~(7); rLPCSEL|=(7); // 320240,Enable LPC3600 } /************************************************************** 320×240 8Bpp TFT LCD 电源控制引脚使能 **************************************************************/ 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 } /************************************************************** 320×240 8Bpp TFT LCD 颜色初始化 **************************************************************/ void Lcd_Palette_Init(void) { unsigned char cdata, p_red, p_green, p_blue; U32 *palette; //#define PALETTE 0x4d000400 //Palette start address palette=(U32 *)PALETTE; *palette++=0; //black for(cdata=1;cdata<255;cdata++) { p_red=(cdata & 0xe0); p_green=(cdata & 0x1c); p_blue=(cdata & 0x03); *palette++=((U32)((p_red<<8)|(p_green<<6)|(p_blue<<3))); } *palette=0xffff; //white } /************************************************************** 320×240 16Bpp TFT LCD移动观察窗口 **************************************************************/ 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(); } /************************************************************** 320×240 16Bpp TFT LCD移动观察窗口 **************************************************************/ 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_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); } } /************************************************************** 320×240 16Bpp TFT LCD单个象素的显示数据输出 **************************************************************/ void PutPixel(U32 x,U32 y,U32 c) { if ( (x < SCR_XSIZE_TFT_320240) && (y < SCR_YSIZE_TFT_320240) ) LCD_BUFER[(y)][(x)] = c; } /************************************************************** 320×240 16Bpp TFT LCD全屏填充特定颜色单元或清屏 **************************************************************/ void Lcd_ClearScr(U16 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 **************************************************************/ 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屏幕上画一个矩形 **************************************************************/ 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屏幕上用颜色填充一个矩形 **************************************************************/ 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屏幕上指定坐标点画一个指定大小的图片 **************************************************************/ /* void Paint_Bmp(int x0,int y0,int h,int l,unsigned char bmp[]) { int x,y; U32 c; int p = 0; for( y = 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 ; } } } */ void Paint_Bmp(int x0,int y0,int h,int l,unsigned char bmp[]) { int x,y; U32 c; int p = 0; for( x = 0 ; x < h ; x++ ) { for( y = 0 ; y < l ; y++ ) { c = bmp[p+1] | (bmp[p]<<8) ; if ( ( (x0+x) < SCR_XSIZE_TFT_320240) && ( (y0+y) < SCR_YSIZE_TFT_320240) ) LCD_BUFER[x0+x][y0+y] = c ; p = p + 2 ; } } } /************************************************************** **************************************************************/ extern unsigned char LOGO[]; extern unsigned char flower1_320_240[]; extern unsigned char girl10[]; extern unsigned char landscape2[]; extern unsigned char sky[]; extern unsigned char test[]; extern unsigned char test1[]; extern unsigned char test2[]; extern unsigned char test3[]; void Test_Lcd_Tft_16Bpp_240_320(void) { //unsigned int x,y ; //U32 c; #define DELAY_TIME 36000 #ifdef DEBUG Uart_Printf("\nTest LTS350Q1_PE1 & LQ035Q7DB02 (TFT LCD)!\n"); #endif printf("\nTest LTS350Q1_PE1 & LQ035Q7DB02 (TFT LCD)!\n"); Lcd_Port_Init(); Lcd_Init(); Lcd_EnvidOnOff(1); //turn on vedio Lcd_ClearScr(0xffff); //fill all screen with some color /* Glib_FilledRectangle( 12, 12, 308, 228,0x0000); //fill a Rectangle with some color Glib_FilledRectangle( 24, 24,296, 88,0x001f); //fill a Rectangle with some color Glib_FilledRectangle( 24, 89,296,152,0x07e0); //fill a Rectangle with some color Glib_FilledRectangle( 24,153,296,216,0xf800); //fill a Rectangle with some color Glib_FilledRectangle( 110, 70, 210, 170,0xf7e0); //fill a Rectangle with some color Glib_FilledRectangle( 130, 90, 190, 150,0x07ff); //fill a Rectangle with some color Glib_FilledRectangle( 150,110, 170, 130,0xf81f); //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 // Glib_FilledRectangle( 0, 0,320, 40,0xffff); //fill a Rectangle with some color //Lcd_ClearScr(0x3f); Paint_Bmp( 0, 0, 320, 240, test1 ); //paint a bmp Paint_Bmp( 0, 80, 320, 240, test2 ); //paint a bmp Paint_Bmp( 0, 160, 320, 240, test3 ); //paint a bmp // Paint_Bmp( 0, 0, 320, 240, LOGO ); //paint a bmp //Delay(20000); // Paint_Bmp( 0, 0, 320, 240, flower1_320_240 ); //paint a bmp //Delay(20000); // Paint_Bmp( 0, 0, 320, 240, girl10 ); //paint a bmp //Delay(20000); // Paint_Bmp( 0, 0, 320, 240, landscape2 ); //paint a bmp //Delay(20000); // Paint_Bmp( 0, 0, 320, 240, sky ); //paint a bmp // Glib_FilledRectangle( 0, 200,320, 240,0xffff); //fill a Rectangle with some color } //*************************************************************