单片机与单片机

C4

y***************

#inelude<reg52.h>

writer:shopping.w

*****************

*/

#defineuintunsignedint#defineucharunsignedcharsbitLED1=P1AO;

sbitLED2=P1A3;

sbitKI=P1A7;

ucharOperation_NO=0;

ucharcodeDSY_CODE[]=

{

0x3t0x06,0x5bQx4f,0x66,0x6ct0x7d/0x07』x7£0x6f}；voidDelay(uintx)

{uchari;

while(x-)

{

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

}

}voidputc_to_SerialPort(ucharc){

SBUF=c;

while(TI==0);

TI=0;

}voidmain()

LED1=LED2=1;PO=OxOO;SCON=0x50;TMOD=0x20;PCON=0x00;TH1=Oxfd;TL1=Oxfd;Tl=0;Rl=0;TRI=1;

IE=0x90;

while(l)

Delay(lOO);

if(Kl==0)

{

while(Kl==0);

Operation_NO=(Operation_NO+l)%4switch(Operation_NO)

case0:

case1:

case2:

case3:

}

}

}

}

putc^to^SenalPortfX');LED1=LED2=1;break;

putc_to_SerialPort(7V);

LEDl=0;LED2=l;break;

putc_to_SerialPo「t('BJ;LED2=0;LEDl=l;break;

putc_to_SerialPort('C);

LEDl=0;LED2=0;break;

voidSerialJNT()interrupt4

{

if(RI)

{

RI=0;

if(SBUF>=0&&SBUF<=9)

P0二DSY_CODE[SBUF];else

PO=OxOO;

}

}

writer:shopping.w

*/

#inelude<reg52.h>#defineuintunsignedint#defineucharunsignedcharsbitLED1=P1AO;

sbitLED2=P1A3;

sbitKI=P1A7;

ucharNumX=Oxff;

voidDelay(uintx)

{

uchari;

while(x-)

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

}

}voidmain()

{

LED1=LED2=1;

SCON=0x50;

TMOD=0x20;

PCON=0x00;

TH1=Oxfd;

TH=Oxfd;

Tl=0;

Rl=0;

TRI=1;

IE=0x90;

while(l)

{

Delay(lOO);if(Kl==O);

{

while(Kl==0);

NumX=(NumX+l)%ll;SBUF=NumX;while(TI==0);

}

voidSerial_INT()interrupt4

{

if(RI)

{

RI=0;

switch(SBUF)

{

caseX:LEDl=l;LED2=l;break;

case•A1