单片机仿真图及程序

#include

#include

#define uchar unsigned char

#define uint unsigned int

#define DAC0832 XBYTE[0X7FFF] void delay(uint x)

{uchar i;

while(x)

for(i=0;i<120;i++);

}

void main()

{uchar i;

while(1)

{for(i=0;i<256;i++)

DAC0832=i;

delay(1);

}

}

#include

#define dat P0

#define hang P2

#define lie P3

unsigned char p,q;

void du();

void dis();

void main()

{dat=0;hang=0;

lie=0x00;

while(1)

{hang=0; lie=0xff;

while(0xff==lie);

du(); dis();

}

}

void du()

{p=0;q=0;

p=lie;把列值给P

lie=0x00;清零

hang=0xff;q=hang; while(hang!=0xff);

}

void dis()

{unsigned char x,y;

x=0;y=0;p=~p;q=~q;

while(p/=2)

{x++;}

while(q/=2)

{y++; }

dat=y*4+x;

}