main.c

DSP2407与sed1354的接口程序

		case 0x0202:
			key=0x1e;
			break;
		case 0x0201:
			key=0x1f;
			break;
		case 0x0480:
			key=0x20;
			break;
		case 0x0440:
			key=0x21;
			break;
		case 0x0420:
			key=0x22;
			break;
		case 0x0410:
			key=0x23;
			break;
		case 0x0408:
			key=0x24;
			break;
		case 0x0404:
			key=0x25;
			break;
		case 0x0402:
			key=0x26;
			break;
		case 0x0401:
			key=0x27;
			break;
		case 0x0880:
			key=0x28;
			break;
		case 0x0840:
			key=0x29;
			break;
		case 0x0820:
			key=0x2a;
			break;
		//case 0x0810:
		//	key=0x2b;
		//	break;
		case 0x0808:
			key=0x2c;
			break;
		//case 0x0804:
		//	key=0x2d;
		//	break;
		case 0x0802:
			key=0x2e;
			break;
		case 0x0801:
			key=0x2f;
			break;	
	}
	SCITXBUF=key;
}

/*256色转换成16bit色*/
unsigned int ColorTransfer(unsigned char color256)
{
	/*3:3:2->5:6:5    RGB*/
	unsigned int r,g,b;
	unsigned int color16bit;
	r=(color256&0xe0);
	g=(color256&0x1c)<<1;
	r+=(g&0x38)>>3;
	b=(color256&0x03)<<2;
	b+=(g&0x07)<<5;
	color16bit=(b<<8)+r;
	return color16bit;
}

/*在指定位置显示规定颜色和底色的16X16字符*/
void DisplayWord1Func(unsigned int x,unsigned int y,unsigned int bcolor,unsigned int fcolor,unsigned char *fontbuf,unsigned char num)
{
	unsigned long position;
	unsigned long positionASC,positionHZ;
	unsigned int i,j,font,bank,offset,bank1,offset1;
	unsigned int *pDram,*pFlash;
	unsigned int one,posoffset;
	
	FlashBlockIndex=0;									/*从flash字库中提取字符*/
	FlashReadOut(2, 2, BUFFER);
	position=(unsigned long)(BUFFER[0]&0x00ff);
	position<<=15;
	i=(BUFFER[1]&0x00ff)<<8;
	j=(BUFFER[1]&0xff00)>>8;
	position+=i+j-0x8000;
	positionASC=position+ASCIIFontAddress;
	positionHZ=position+HZFontAddress;	
	one=0;
	for(i=0;i<num;i++)
	{
		if(fontbuf[i]<0x80)								/*16*8  ASC字符*/
		{
			position=positionASC+((unsigned int)fontbuf[i])*16;
			position>>=1;
			bank1=position>>15;
			offset1=position&0x7fff;
			for(j=0;j<8;j++)
			{
				PBDATDIR=0xff40+bank1;	
				pFlash=(unsigned int *)(0x8000+offset1);
				BUFFER[one+j]=*(pFlash);
				offset1++;
				if(offset1>=0x8000)
				{
					bank1++;
					offset1-=0x8000;
				}
			}
			one+=8;
		}
		else												/*16*16  汉字*/
		{
			position=(((unsigned long)fontbuf[i]-0xb0)*94+((unsigned long)fontbuf[i+1]-0xa1))*32;
			position+=positionHZ;
			position>>=1;
			bank1=position>>15;
			offset1=position&0x7fff;
			for(j=0;j<16;j++)
			{
				PBDATDIR=0xff40+bank1;	
				pFlash=(unsigned int *)(0x8000+offset1);
				BUFFER[one+j]=*(pFlash);
				offset1++;
				if(offset1>=0x8000)
				{
					bank1++;
					offset1-=0x8000;
				}
			}
			one+=16;
			i++;
		}		
	}
	
	posoffset=0;
	for(one=0;one<num;one++)							/*在备份显示缓冲区中写入字符数据*/
	{
		WaitVNDP();	
		if(fontbuf[one]<0x80)
		{
			for(i=0;i<8;i++)
			{
				font=(BUFFER[posoffset+i]&0xff00)>>8;
				position=(((unsigned long)(y+2*i))*640)+x+posoffset;		
				bank=position>>15;
				offset=position&0x7fff;		
				pDram=(unsigned int *)(0x8000+offset);				
				for(j=0;j<8;j++)
				{    
					if(LCDFreshIndex==0)
    						PBDATDIR=0xff2c+bank;   
					else
    						PBDATDIR=0xff20+bank; 
					if((font&0x80)==0x80)
						*(pDram++)=fcolor;
					else
						*(pDram++)=bcolor;
					font<<=1;
					offset++;
					if(offset>=0x8000)
					{
						bank++;
			    			offset=0x0000;
			    			pDram=(unsigned int *)(0x8000);
			    		}
			    	}  
				font=BUFFER[posoffset+i]&0x00ff;
				position=(((unsigned long)(y+2*i+1))*640)+x+posoffset;		
				bank=position>>15;
				offset=position&0x7fff;		
				pDram=(unsigned int *)(0x8000+offset);				
				for(j=0;j<8;j++)
				{    
					if(LCDFreshIndex==0)
    						PBDATDIR=0xff2c+bank;   
					else
    						PBDATDIR=0xff20+bank; 
					if((font&0x80)==0x80)
						*(pDram++)=fcolor;
					else
						*(pDram++)=bcolor;
					font<<=1;
					offset++;
					if(offset>=0x8000)
					{
						bank++;
			    			offset=0x0000;
			    			pDram=(unsigned int *)(0x8000);
			    		}
			    	}  
			}
			posoffset+=8;
		}
		else
		{
			for(i=0;i<16;i++)
			{
				font=BUFFER[posoffset+i];
				position=(((unsigned long)(y+i))*640)+x+posoffset;		
				bank=position>>15;
				offset=position&0x7fff;		
				pDram=(unsigned int *)(0x8000+offset);				
				for(j=0;j<16;j++)
				{    
					if(LCDFreshIndex==0)
    						PBDATDIR=0xff2c+bank;   
					else
    						PBDATDIR=0xff20+bank; 
					if((font&0x8000)==0x8000)
						*(pDram++)=fcolor;
					else
						*(pDram++)=bcolor;
					font<<=1;
					offset++;
					if(offset>=0x8000)
					{
						bank++;
			    			offset=0x0000;
			    			pDram=(unsigned int *)(0x8000);
			    		}
			    	}  				
			}
			posoffset+=16;
			one++;
		}
	}
	LCDVramXChange();									/*将备份显示缓冲区变成主显示缓冲区*/
														/*当前显示缓冲区切换成备份显示缓冲区*/
														/*向原主显示缓冲区写入显示数据，保持主备显示同步*/
	posoffset=0;
	for(one=0;one<num;one++)							/*在备份显示缓冲区中写入字符数据*/
	{
		WaitVNDP();	
		if(fontbuf[one]<0x80)
		{
			for(i=0;i<8;i++)
			{
				font=(BUFFER[posoffset+i]&0xff00)>>8;
				position=(((unsigned long)(y+2*i))*640)+x+posoffset;		
				bank=position>>15;
				offset=position&0x7fff;		
				pDram=(unsigned int *)(0x8000+offset);				
				for(j=0;j<8;j++)
				{    
					if(LCDFreshIndex==0)
    						PBDATDIR=0xff2c+bank;   
					else
    						PBDATDIR=0xff20+bank; 
					if((font&0x80)==0x80)
						*(pDram++)=fcolor;
					else
						*(pDram++)=bcolor;
					font<<=1;
					offset++;
					if(offset>=0x8000)
					{
						bank++;
			    			offset=0x0000;
			    			pDram=(unsigned int *)(0x8000);
			    		}
			    	}  
				font=BUFFER[posoffset+i]&0x00ff;
				position=(((unsigned long)(y+2*i+1))*640)+x+posoffset;		
				bank=position>>15;
				offset=position&0x7fff;		
				pDram=(unsigned int *)(0x8000+offset);				
				for(j=0;j<8;j++)
				{    
					if(LCDFreshIndex==0)
    						PBDATDIR=0xff2c+bank;   
					else
    						PBDATDIR=0xff20+bank; 
					if((font&0x80)==0x80)
						*(pDram++)=fcolor;
					else
						*(pDram++)=bcolor;
					font<<=1;
					offset++;
					if(offset>=0x8000)
					{
						bank++;
			    			offset=0x0000;
			    			pDram=(unsigned int *)(0x8000);
			    		}
			    	}  
			}
			posoffset+=8;
		}
		else
		{
			for(i=0;i<16;i++)
			{
				font=BUFFER[posoffset+i];
				position=(((unsigned long)(y+i))*640)+x+posoffset;		
				bank=position>>15;
				offset=position&0x7fff;		
				pDram=(unsigned int *)(0x8000+offset);				
				for(j=0;j<16;j++)
				{    
					if(LCDFreshIndex==0)
    						PBDATDIR=0xff2c+bank;   
					else
    						PBDATDIR=0xff20+bank; 
					if((font&0x8000)==0x8000)
						*(pDram++)=fcolor;
					else
						*(pDram++)=bcolor;
					font<<=1;
					offset++;
					if(offset>=0x8000)
					{
						bank++;
			    			offset=0x0000;
			    			pDram=(unsigned int *)(0x8000);
			    		}
			    	}  				
			}
			posoffset+=16;
			one++;
		}
	}
}



unsigned char	UARTHandle(void)
{
	unsigned int temp1,temp2;
	unsigned int temp3,temp4;
	switch(UartBuf[0])
	{
		case CheckLCMStatus:									/*检查显示板状态*/
			if(SystemInitStatus==OK)
				return RUNOK;
			else
				return RUNERROR;
			break;
		case DisplayWord1:									/*显示字符1*/
			temp1=((unsigned int)(UartBuf[5]<<8))+UartBuf[4];
			temp2=((unsigned int)(UartBuf[7]<<8))+UartBuf[6];
			DisplayWord1Func(temp1,temp2,ColorTransfer(UartBuf[2]),ColorTransfer(UartBuf[3]),&UartBuf[8],UartBuf[1]-9);
			break;
		case PaintBox:										/*画框*/
			temp1=((unsigned int)(UartBuf[4]<<8))+UartBuf[3];
			temp2=((unsigned int)(UartBuf[6]<<8))+UartBuf[5];
			temp3=((unsigned int)(UartBuf[8]<<8))+UartBuf[7];
			temp4=((unsigned int)(UartBuf[10]<<8))+UartBuf[9];
			PaintBoxFunc(temp1, temp2, temp3-temp1, temp4-temp2,ColorTransfer(UartBuf[2]));
			break;
		case PaintPicture:										/*画图*/
			temp1=((unsigned int)(UartBuf[3]<<8))+UartBuf[2];
			temp2=((unsigned int)(UartBuf[5]<<8))+UartBuf[4];
			PaintPictureFunc(temp1,temp2,UartBuf[6]);
			break;
		case DisplayWord2:									/*显示字符2*/
			temp1=((unsigned int)(UartBuf[5]<<8))+UartBuf[4];
			temp2=((unsigned int)(UartBuf[7]<<8))+UartBuf[6];
			DisplayWord2Func(temp1,temp2,ColorTransfer(UartBuf[2]),ColorTransfer(UartBuf[3]),&UartBuf[8],UartBuf[1]-9);
			break;
		case StoreBoxRam:									/*保存报警框显存数据*/
			temp1=((unsigned int)(UartBuf[3]<<8))+UartBuf[2];
			temp2=((unsigned int)(UartBuf[5]<<8))+UartBuf[4];
			temp3=((unsigned int)(UartBuf[7]<<8))+UartBuf[6];
			temp4=((unsigned int)(UartBuf[9]<<8))+UartBuf[8];
			StoreBoxRamFunc(temp1, temp2, temp3-temp1, temp4-temp2);
			break;
		case RefreshBoxRam:									/*恢复保存的报警框显存数据*/
			temp1=((unsigned int)(UartBuf[3]<<8))+UartBuf[2];
			temp2=((unsigned int)(UartBuf[5]<<8))+UartBuf[4];
			temp3=((unsigned int)(UartBuf[7]<<8))+UartBuf[6];
			temp4=((unsigned int)(UartBuf[9]<<8))+UartBuf[8];
			RefreshBoxRamFunc(temp1, temp2, temp3-temp1, temp4-temp2);
			break;
		case PaintBoxShade:									/*画阴影框*/
			temp1=((unsigned int)(UartBuf[4]<<8))+UartBuf[3];
			temp2=((unsigned int)(UartBuf[6]<<8))+UartBuf[5];
			temp3=((unsigned int)(UartBuf[8]<<8))+UartBuf[7];
			temp4=((unsigned int)(UartBuf[10]<<8))+UartBuf[9];
			PaintBoxShadeFunc(temp1, temp2, temp3, temp4,ColorTransfer(UartBuf[2]));
			break;
		case ResetBoard:										/*显示板复位*/
			WDCR=0x0AD;									/*开启看门狗52.4mS*/				
			break;
		case DisplayWord3:									/*显示字符3*/
			temp1=((unsigned int)(UartBuf[5]<<8))+UartBuf[4];
			temp2=((unsigned int)(UartBuf[7]<<8))+UartBuf[6];
			DisplayWord3Func(temp1,temp2,ColorTransfer(UartBuf[2]),ColorTransfer(UartBuf[3]),&UartBuf[8],UartBuf[1]-9);
			break;
		case RestoreFile:										/*文件数据传输开始*/	
			if((UartBuf[2]==0x86)&&(UartBuf[3]==0x00))
			{
				WhoseFile=PicFile;
				FileBank=0;
				FileAlreadyDone=0;
				startFileTrans=1;
			}
			else if((UartBuf[2]==0x80)&&(UartBuf[3]==0x00))
			{
				WhoseFile=LibFile;
				FileBank=0;
				FileAlreadyDone=0;
				startFileTrans=1;
			}
			break;	
		case AckFileTrans:										/*回应USB板文件传输包*/
			RestoreFileFunc((UartBuf[1]-3),&UartBuf[2]);
			break;
		case PaintLogo:										/*画厂标*/
			PaintLogoFunc();
			break;
		case DisplayWord4:									/*显示字符4*/
			break;
		default:
			break;
	}
	return RUNOK;
}

void interrupt int1ser( ) 
{
	unsigned char i;
	switch(PIVR)
	{
		case 0x06:							/*接收中断*/	
				i=SCIRXBUF;
				OverTimer=0;
				Flag2=InReceive;
				UartBuf[RecIndex++]=i;				
				if(RecIndex==2)
					FrameLength=i;
				if(RecIndex==FrameLength)
				{
					if((SumParity&0x00ff)==i)
						Flag|=RECOK;
					else
					{
						Flag|=RECERROR;
					}
				}
				else
					SumParity+=i;
				IFR=0x01;
				break;
		case 0x07:							/*发送中断*/
				Flag|=SNDOK;
				IFR=0x01;
				break;
	}
	asm(" clrc	INTM");						
 	return;
}

void interrupt int2ser( ) 
{
	unsigned char i;
	switch(PIVR)
	{
		case 0x27:							/*定时器1周期中断*/	
				Flag1=SCANKEY;
				if(Flag2==InReceive)
				{
					OverTimer++;
					if(OverTimer>=2)
					{
						Flag=0;
						Flag2=0;
						RecIndex=0;
						SumParity=0;
						FrameLength=0;
					}
				}
				EVAIFRA &=0x0080;
				IFR=0x02;
				break;		
	}
	asm(" clrc	INTM");						
 	return;
}

void interrupt nothing( ) 
{
	asm(" clrc	INTM");						
 	return;
}