mini2440-128M开发板裸奔系列10——LCD测试程序.doc

mini2440-128M开发板裸奔系列10LCD测试程序2010-04-13 11:01#include def.h#include option.h#include 2440addr.h#include 2440lib.h#include 2440slib.hextern const unsigned char sunflower_240x320;extern const unsigned char girl;extern const unsigned char Zhaidi;extern const unsigned char hua;/extern const unsigned char sunflower_800x480;/extern const unsigned char sunflower_1024x768;/extern const unsigned char sunflower_640x480;#define LCD_XSIZE LCD_WIDTH#define LCD_YSIZE LCD_HEIGHT#define SCR_XSIZE LCD_WIDTH#define SCR_YSIZE LCD_HEIGHTvolatile static unsigned short LCD_BUFFERSCR_YSIZESCR_XSIZE;/*640480 TFT LCD数据和控制端口初始化*/static void Lcd_Port_Init( void ) rGPCUP=0xffffffff; / 端口C上拉控制 P141 rGPCCON=0xaaaa02a8; /配置端口C的引脚功能 P141Initialize VD7:0,VM,VFRAME,VLINE,VCLK rGPDUP=0xffffffff; / Disable Pull-up register rGPDCON=0xaaaaaaaa; /Initialize VD15:8 P142/*640480 TFT LCD功能模块初始化*/static void LCD_Init(void)#define M5D(n) (n)&0x1fffff)#define LCD_ADDR (U32)LCD_BUFFER)rLCDCON1 = (LCD_PIXCLOCK 8) | (3 5) | (12 1);/p200 CLKVAL=0x14 PNRMODE6:5为11 rLCDCON2 = (LCD_UPPER_MARGIN 24) | (LCD_HEIGHT - 1) 14) | (LCD_LOWER_MARGIN 6) | (LCD_VSYNC_LEN 0); /P201 31:24VBPD:场同步信号后沿 23:14LINEVAL：决定LCD屏的垂直方向的大小 13:6VFPD场同步信号前沿 5:0VSPW:场同步脉冲宽度 rLCDCON3 = (LCD_RIGHT_MARGIN 19) | (LCD_WIDTH - 1) 8) | (LCD_LEFT_MARGIN 0); /P201 25:19HBPD WDLY 18:8决定LCD水平显示尺寸 【7：0】 rLCDCON4 = (13 8) | (LCD_HSYNC_LEN 0); /15:8:MVAL 该位只对STN屏有效，当MMODE置位为1时，决定VM的变换频率 7:0行同步脉冲宽度#if !defined(LCD_CON5)# define LCD_CON5 (111) | (1 9) | (1 8) | (1 3) | (1 22) 1) 1); /p203 rLCDSADDR3 = LCD_WIDTH; /p203 rLCDINTMSK |= 3; /p205-206 屏蔽LCD帧同步中断 屏蔽LCD FIFO中断rTCONSEL &= (7); rTPAL = 0x0; rTCONSEL &= (14) | 1); /*LCD视频和控制信号输出或者停止，1开启视频输出*/static void Lcd_EnvidOnOff(int onoff) if(onoff=1)rLCDCON1|=1; / ENVID=ON elserLCDCON1 =rLCDCON1 & 0x3fffe; / ENVID Off/*320240 8Bpp TFT LCD 电源控制引脚使能*/static void Lcd_PowerEnable(int invpwren,int pwren) /GPG4 is setted as LCD_PWREN rGPGUP = rGPGUP|(14); / Pull-up disable rGPGCON = rGPGCON|(38); /GPG4=LCD_PWREN /Enable LCD POWER ENABLE Function rLCDCON5 = rLCDCON5&(13)|(pwren3); / PWREN rLCDCON5 = rLCDCON5&(15)|(invpwren5); / INVPWREN/*640480 TFT LCD单个象素的显示数据输出*/static void PutPixel(U32 x,U32 y,U16 c) if(xSCR_XSIZE & ySCR_YSIZE) LCD_BUFFER(y)(x) = c;/*640480 TFT LCD全屏填充特定颜色单元或清屏*/static void Lcd_ClearScr( U32 c)unsigned int x,y ; for( y = 0 ; y SCR_YSIZE ; y+ ) for( x = 0 ; x SCR_XSIZE ; x+ ) LCD_BUFFERyx = 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/ -+- =0) if(dy = 0) / dy=0 if(dx=dy) / 1/8 octant e=dy-dx/2; while(x10)y1+=1;e-=dx; x1+=1; e+=dy; else / 2/8 octant e=dx-dy/2; while(y10)x1+=1;e-=dy; y1+=1; e+=dx; else / dy=dy) / 8/8 octant e=dy-dx/2; while(x10)y1-=1;e-=dx; x1+=1; e+=dy; else / 7/8 octant e=dx-dy/2; while(y1=y2) PutPixel(x1,y1,color); if(e0)x1+=1;e-=dy; y1-=1; e+=dx; else /dx= 0) / dy=0 if(dx=dy) / 4/8 octant e=dy-dx/2; while(x1=x2) PutPixel(x1,y1,color); if(e0)y1+=1;e-=dx; x1-=1; e+=dy; else / 3/8 octant e=dx-dy/2; while(y10)x1-=1;e-=dy; y1+=1; e+=dx; else / dy=dy) / 5/8 octant e=dy-dx/2; while(x1=x2) PutPixel(x1,y1,color); if(e0)y1-=1;e-=dx; x1-=1; e+=dy; else / 6/8 octant e=dx-dy/2; while(y1=y2) PutPixel(x1,y1,color); if(e0)x1-=1;e-=dy; y1-=1; e+=dx; /*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+)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,const unsigned char *bmp)int x,y;U32 c;int p = 0; for( y = 0 ; y l ; y+ ) for( x = 0 ; x h ; x+ ) c = bmpp+1 | (bmpp8) ; if ( ( (x0+x) SCR_XSIZE) & ( (y0+y) SCR_YSIZE) ) LCD_BUFFERy0+yx0+x = c ; p = p + 2 ; /*/void TFT_LCD_Init(void) LCD_Init();LcdBkLtSet( 70 ) ;Lcd_PowerEnable(0, 1); Lcd_EnvidOnOff(1); /turn on vedio Lcd_ClearScr( (0x0011) | (0x005) | (0x00) ); #if defined(LCD_N35) | defined(LCD_T35)Paint_Bmp(0, 0, 240, 320, hua);#endif /*/void TFT_LCD_Test(void)#if defined(LCD_N35) | defined(LCD_T35)Uart_Printf(nTest TFT LCD 240x320!n);#endif Lcd_Port_Init(); LCD_Init(); Lcd_EnvidOnOff(1); /turn on vedioLcd_ClearScr( (0x07e011) | (0x07e05) | (0x07e0) ) ; /clear screenUart_Printf( nLCD clear screen is finished! press any key to continue!n ); Uart_Getch() ; /wait uart inputLcd_ClearScr( (0x1f11) | (0x3f5) | (0x1f) ) ; /clear screenUart_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 30#define C_UP ( LCD_XSIZE - LCD_BLANK*2 )#define C_RIGHT ( LCD_XSIZE - LCD_BLANK*2 )#define V_BLACK ( ( LCD_YSIZE - LCD_BLANK*4 ) / 6 )Glib_FilledRectangle( LCD_BLANK, LCD_BLANK, ( LCD_XSIZE - LCD_BLANK ), ( LCD_YSIZE - LCD_BLANK ),0x0000); /fill a Rectangle with some colorGlib_FilledRectangle( (LCD_BLANK*2), (LCD_BLANK*2 + V_BLACK*0), (C_RIGHT), (LCD_BLANK*2 + V_BLACK*1),0x001f); /fill a Rectangle with some colorGlib_FilledRectangle( (LCD_BLANK*2), (LCD_BLANK*2 + V_BLACK*1), (C_RIGHT), (LCD_BLANK*2 + V_BLACK*2),0x07e0); /fill a Rectangle with some colorGlib_FilledRectangle( (LCD_BLANK*2), (LCD_BLANK*2 + V_BLACK*2), (C_RIGHT), (LCD_BLANK*2 + V_BLACK*3),0xf800); /fill a Rectangle with some colorGlib_FilledRectangle( (LCD_BLANK*2), (LCD_BLANK*2 + V_BLACK*3), (C_RIGHT), (LCD_BLANK*2 + V_BLACK*4),0xffe0); /fill a Rectangle with some colorGlib_FilledRectangle( (LCD_BLANK*2), (LCD_BLANK*2 + V_BLACK*4), (C_RIGHT), (LCD_BLANK*2 + V_BLACK*5),0xf81f); /fill a Rectangle with some colorGlib_FilledRectangle( (LCD_BLANK*2), (LCD_BLANK*2 + V_BLACK*5), (C_RI