cstn1.5_st7637_128x128_8_v1.c

ST7637CSTN驱动代码

	y1 = y0+ysize-1; 
	LCD_SetWindow(x0, y0, x1, y1);
	read_XDATA(LCD_DATA);
	read_XDATA(LCD_DATA);
	for(y1=0; y1<ysize; y1++){
		for(x1=0; x1<xsize; x1++){
                *pData =  (read_XDATA(LCD_DATA)&0xFF)<<8;
                *pData++ |= read_XDATA(LCD_DATA)&0xFF;
		}
	}
		
	LCD_SetWindow(0, 0, LCD_MAX_XSIZE-1, LCD_MAX_YSIZE-1);
}


unsigned int LCDDEV_GetPixel(int x, int y)
{
    unsigned int GramData=0;
    LCD_SetDispAddr(x,y);
    LCD_SendCommand(0x22);      //Read GRAM Data Command
//    read_XDATA(LCD_DATA);
    GramData = read_XDATA(LCD_DATA);
    GramData = GramData<<8;
    GramData |= read_XDATA(LCD_DATA);
}
#endif

void LCDDEV_SetPixel(int x, int y, unsigned int color)
{
//    LCD_SetDispAddr(x,y);
    LCD_SetWindow(x,y,x+1,y+1);
    LCD_SendData(color);
}

void LCDDEV_XorPixel(int x, int y)
{
	unsigned int color=0;
//	color = LCDDEV_GetPixel(x,y);
	LCDDEV_SetPixel(x,y,0xFFFF-color);			
}

void LCDDEV_DrawHLine(int x0, int y, int x1)
{
	if (LCD_Context.DrawMode & LCD_DRAWMODE_XOR){
		for(; x0<=x1; x0++){
			LCDDEV_XorPixel(x0, y);
		}
	}else{
		LCD_SetWindow(x0, y, x1, y);
		for(; x0<=x1; x0++){
			LCD_SendData(LCD_COLOR);
		}
		LCD_SetWindow(0, 0, LCD_MAX_XSIZE-1, LCD_MAX_YSIZE-1);
	}
}

void LCDDEV_DrawVLine(int x, int y0, int y1)
{
    unsigned int color;
	if (LCD_Context.DrawMode & LCD_DRAWMODE_XOR){
		for(; y0<=y1; y0++){
			LCDDEV_XorPixel(x, y0);
		}
	}else{
	    if(LCD_Context.DrawMode == LCD_DRAWMODE_REV)
	        color = LCD_BKCOLOR;
	    else
	        color = LCD_COLOR;
		LCD_SetWindow(x, y0, x, y1);
		for(; y0<=y1; y0++){
			LCD_SendData( LCD_COLOR);
		}	
		LCD_SetWindow(0, 0, LCD_MAX_XSIZE-1, LCD_MAX_YSIZE-1);
	}
}

void LCDDEV_FillRect(int x0, int y0, int x1, int y1)
{
    unsigned int color;
	int i;
	if (LCD_Context.DrawMode & LCD_DRAWMODE_XOR){
		for(; y0<=y1; y0++){
			LCDDEV_DrawHLine(x0, y0, x1);
		}
	}else{
	    if(LCD_Context.DrawMode == LCD_DRAWMODE_REV)
	        color = LCD_BKCOLOR;
	    else
	        color = LCD_COLOR;
	    LCD_SetWindow(x0, y0, x1, y1);
		for(; y0<=y1 ; y0++){
			i = x0;
			for(; i<=x1; i++){
				LCD_SendData(LCD_COLOR);
			}
		}
		
		LCD_SetWindow(0, 0, LCD_MAX_XSIZE-1, LCD_MAX_YSIZE-1);
	}
}


void LCDDEV_DrawBitLine1BPP(int x, int y, int xsize, int Diff, unsigned int *pData) 
{
  	x += Diff;

	switch(LCD_Context.DrawMode){
		case LCD_DRAWMODE_REV:
			while(xsize){
				if(*pData & (0x8000 >> Diff))
					LCDDEV_SetPixel(x, y, LCD_BKCOLOR);
				else
					LCDDEV_SetPixel(x, y, LCD_COLOR);
				x++;
				xsize--;
				if(++Diff == 16){
					Diff = 0;
					pData++;
				}
			}
			break;
		case LCD_DRAWMODE_TRANS:
			while(xsize){
				if(*pData & (0x8000 >> Diff))
					LCDDEV_SetPixel(x, y, LCD_COLOR);
				x++;
				xsize--;
				if(++Diff == 16){
					Diff = 0;
					pData++;
				}
			}
			break;
		case LCD_DRAWMODE_XOR:
			while(xsize){
				if(*pData & (0x8000 >> Diff))
					LCDDEV_XorPixel(x,y);
				x++;
				xsize--;
				if(++Diff == 16){
					Diff = 0;
					pData++;
				}
			}
			break;
	    case LCD_DRAWMODE_CIR90:
	        while(xsize){
				if(*pData & (0x8000 >> Diff))
					LCDDEV_SetPixel(x, y, LCD_COLOR);
				y++;
				xsize--;
				if(++Diff == 16){
					Diff = 0;
					pData++;
				}
			}
	        break;
/*	    case LCD_DRAWMODE_CIR180:
	        while(xsize){
				if(*pData & (0x8000 >> Diff))
					{
	                            LCD_SetRegister(0x36, 0x60);   //memory data access control, MY=1; MX=0; MV=0; ML=0; RGB=0
					LCDDEV_SetPixel(x,y, LCD_COLOR);
					}
				x++;
				xsize--;
				if(++Diff == 16){
					Diff = 0;
					pData++;
				}
			}
	        break;  */
		default:
		    while(xsize){
				if(*pData & (0x8000 >> Diff))
					LCDDEV_SetPixel(x, y, LCD_COLOR);
				else
					LCDDEV_SetPixel(x, y, LCD_BKCOLOR);
				x++;
				xsize--;
				if(++Diff == 16){
					Diff = 0;
					pData++;
				}
			}
			break;
	}	
}

void LCDDEV_DrawBitLine16BPP(int x0, int y0, int xsize, int ysize, unsigned int *pData) 
{
	int x1,y1;
	unsigned int i;
	
	x1 = x0+xsize-1;
	y1 = y0+ysize-1;
	LCD_SetWindow(x0, y0, x1, y1);
	for(; ysize>0; ysize--){
		i = xsize;
		for(; i>0; i--){
			LCD_SendData(*pData++);
		}
	}
		
	LCD_SetWindow(0, 0, LCD_MAX_XSIZE-1, LCD_MAX_YSIZE-1);
}

void LCDDEV_DrawBitmap(int x0,    		int y0,
                       int xsize, 		int ysize,
                       int BitsPerPixel,	int BytesPerLine,
                       unsigned int *pData, 		int Diff)
{
  	int i;
   	switch (BitsPerPixel) {
   		case 1:
   		    if(LCD_Context.DrawMode == LCD_DRAWMODE_CIR90){
   			    for(i=0; i<ysize; i++){ 
   	                LCDDEV_DrawBitLine1BPP(x0+i, y0, xsize, Diff, pData);
   	                pData += BytesPerLine;
   	                }
   		    }else{
   			    for(i=0; i<ysize; i++){ 
   				LCDDEV_DrawBitLine1BPP(x0, i+y0, xsize, Diff, pData);
   				pData += BytesPerLine;
   			    }
   			}
   			break;
   		case 16:
       		LCDDEV_DrawBitLine16BPP(x0, y0, xsize, ysize, pData);
       	break;
   	}
}

void LCD_Init(unsigned int DisType)
{
//	PowerOnLcdinit();
}

void MP4_LCD_Init(void)
{
}

void DMA_LcdJpegInit(void)
{
		LCD_SendCommand(0x36);                  //Memory Access Control
		LCD_SendPara (0x00);   
		LCD_SetWindow(0,0,127,127);
}

void DMA_LcdJpegInitX(void)
{
		LCD_SendCommand(0x36);                  //Memory Access Control
		LCD_SendPara (0x00);   
		LCD_SetWindow(0,0,127,127);   
}

void  standby_return(void)
{
}

//******************************************************************************