mini2440裸机LCD测试程序.doc

#include def.h#include option.h#include 2440addr.h #include 2440lib.h#include 2440slib.h extern const unsigned char sunflower_240x320;#define LCD_WIDTH 240#define LCD_HEIGHT 320#define LCD_PIXCLOCK 4#define LCD_RIGHT_MARGIN 36#define LCD_LEFT_MARGIN 19#define LCD_HSYNC_LEN 5#define LCD_UPPER_MARGIN 1#define LCD_LOWER_MARGIN 5#define LCD_VSYNC_LEN 1#define LCD_XSIZE LCD_WIDTH#define LCD_YSIZE LCD_HEIGHT#define SCR_XSIZE LCD_WIDTH#define SCR_YSIZE LCD_HEIGHTunsigned 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; / Disable Pull-up register rGPCCON=0xaaaa02a8; /Initialize VD7:0,VM,VFRAME,VLINE,VCLK rGPDUP=0xffffffff; / Disable Pull-up register rGPDCON=0xaaaaaaaa; /Initialize VD15:8/*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); rLCDCON2 = (LCD_UPPER_MARGIN 24) | (LCD_HEIGHT - 1) 14) | (LCD_LOWER_MARGIN 6) | (LCD_VSYNC_LEN 0); rLCDCON3 = (LCD_RIGHT_MARGIN 19) | (LCD_WIDTH - 1) 8) | (LCD_LEFT_MARGIN 0); rLCDCON4 = (13 8) | (LCD_HSYNC_LEN 0);#if !defined(LCD_CON5)# define LCD_CON5 (111) | (1 9) | (1 8) | (1 3) | (1 22) 1) 1); rLCDSADDR3 = LCD_WIDTH; rLCDINTMSK |= 3;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( U16 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_Port_Init();LCD_Init();/LcdBkLtSet( 70 ) ;Lcd_PowerEnable(0, 1); Lcd_EnvidOnOff(1); /turn on vedio Lcd_ClearScr( (0x0011) | (0x000;tt-) for(i=0;i10000;i+) int Main(int argc, char *argv