C Programming of Single Chip Microcomputer Controlled Washing Machine

#include

#define waterin P1_6

#define waterout P1_5

#define swim P1_7

bit flag;

char Count,t,waterinflag,wateroutflag,swimflag; // count for interrupt program

unsigned char second;

void Timeinit(void)

{

// Initialize the stopwatch

    Count=0; t=0; second=0; flag=0;

// Start timer 1 and set it to working mode 2, so that the initial value of the timer is automatically loaded when the timer is interrupted

    IE=0x8a; //Enable interrupts, select T0, T1 interrupts

TMOD=0x21; //Timer 0, use TR0 start mode, select working mode 1, timer 1, use TR1 start mode, working mode 2

    TH1=0x06; //Set the initial timing value to 256-250=6 (250us, 40 times are required to achieve 10ms)

    TL1=0x06;

    TR1=1;

}

              //Use T1 to time the stopwatch interrupt program, working mode 2

void Miao(void) interrupt 3

{

Count++;

    if(Count==40){

     Count=0;  

   t++; // hundredths of a second

   if(t==100){

    flag=1;

    t=0;

     if(second==10) second=0;

    else     second++;

   }

    }

}

void Initcover() { //Interrupt procedure of the cover

EA=1;

ET1=0;

EX1=1;

}

void coverinterrupt() interrupt 2 {

waterin=1;

waterout=1;

swim=1;

while (P3_3==0) ;

waterin=waterinflag;

waterout=wateroutflag;

swim=swimflag;

}

main() { //Washing machine working process

int i=0;

Initcover();

waterout=1;

wateroutflag=1;

swim=1;

swimflag=1;

P3_2=1;

if (P1_0==1) {

waterin=0;

waterinflag=0;

while(P3_2==1) {

   waterin=1;

   waterinflag=1;

   for (i=0;i<10;i++) {

    timeinit();

    while (second!=10) {

     swim=0;

     swimflag=0;

     if(flag) {

      flag=0;

      P1=~(second*2);

      waterin=waterinflag;

      waterout=wateroutflag;

      swim=swimflag;

     }

    }

    P1=0xff;

    waterin=waterinflag;

    waterout=wateroutflag;

    swim=swimflag;

    timeinit();

    while (second!=3) {

     swim=1;

     swimflag=1;

     if(flag) {

      flag=0;

      P1=~(second*2);

      waterin=waterinflag;

      waterout=wateroutflag;

      swim=swimflag;

     }

    }

   }

   timeinit();

   while (second!=10 ) {

    waterout=0;

    wateroutflag=0;

    if(flag) {

     flag=0;

     P1=~(second*2);

     waterin=waterinflag;

     waterout=wateroutflag;

     swim=swimflag;

    }

   }

   waterout=1;

   wateroutflag=1;

}

}

}}