l.c

很有用的CYGNAL C语言程序,

#include<c8051f020.h>
void setoff();
void senddata(unsigned char,unsigned char);
void delay(long int);
void run(unsigned char,unsigned char,unsigned char,unsigned char);
unsigned char changeh(unsigned char);
unsigned char changel(unsigned char);
main()
{
	unsigned char e;
	WDTCN=0xde;
	WDTCN=0xad;
	OSCXCN=0x67;
	delay(10000);
    delay(10000);
	e=!OSCXCN&0x80;
	while(e); 
    OSCICN|=0x08;

	XBR2=0x40;
	P1MDOUT=0xFF;
	P1MDOUT=0xFF;
	TMOD=0x01;
	DAC0CN=0x00;
	REF0CN=0x03;
	setoff();
	while(1)
	{
	P2=0x01;
	run(1,7,0,6);
	P2=0x00;
	senddata(1,0);
	senddata(2,0x80);
	P2=0x02;
	run(1,7,0,6);
	P2=0x00;
	senddata(1,0);
	senddata(2,0x80);	
	}
}	

void dac0(unsigned char m,unsigned char n)
{
	DAC0H=m;
	DAC0L=n;
	DAC0CN|=0x80;
	delay(1000);
}

void run(unsigned char p,unsigned char q,unsigned char r,unsigned char s)
{	
	unsigned int x,g,h;
	for(p;p<=3;p++)
	{
		for(q;q<10;q++)
		{		
			for(r;r<10;r++)
			{	
				for(s;s<=9;s++)
				{	x=p*1000+q*100+r*10+s;
					switch(x)
					{
						case 1706:
							{
								senddata(1,0);
								senddata(2,0x81);
								break;
							}
						case 1876:
							{
								senddata(1,1);
								senddata(2,0x81);
								break;
							}
						case 2048:
							{
								senddata(1,2);
								senddata(2,0x81);
								break;
							}
						case 2218:
							{
								senddata(1,3);
								senddata(2,0x81);
								break;
							}
						case 2384:
							{
								senddata(1,4);
								senddata(2,0x81);
								break;
							}
							case 2559:
							{
								senddata(1,5);
								senddata(2,0x81);
								break;
							}		
						case 2730:
							{
								senddata(1,6);
								senddata(2,0x81);
								break;
							}		
						case 2901:
							{
								senddata(1,7);
								senddata(2,0x81);
								break;
							}		
						case 3071:
							{
								senddata(1,8);
								senddata(2,0x81);
								break;
							}		
						case 3242:
							{
								senddata(1,9);
								senddata(2,0x81);
								break;
							}		
						case 3413:
							{
								senddata(1,0);
								senddata(2,0x82);
								break;
							}	
					}											
					h=changeh(x);
					g=changel(x);
					dac0(h,g);
					if(x==3413)
					{	
						s=10;
						dac0(13,85);
					}	
				}	  
				if(x==3413)
					r=10;
				else
					s=0; 
		    }	 	
			if(x==3413)
				q=10;
			else
				r=0; 		
	    }	
		if(x==3413)
			p=10;
		else
			q=0; 
	}
	delay(60000);
	dac0(0,0);
}

unsigned char changeh(unsigned int y)
{
	unsigned char f;
	f=y/256;
	return f;
}

unsigned char changel(unsigned int z)
{
	unsigned char u,v,w,k;
	u=z/256;
	v=(z-u*256)/16;
	w=z-u*256-v*16;
	k=v*16+w;
	return k;
}